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Commit 09ec55ed authored by Sreekanth Reddy's avatar Sreekanth Reddy Committed by Martin K. Petersen
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mpt2sas: Remove .c and .h files from mpt2sas driver 

Remove .c and .h files which are no longer needed from mpt2sas
driver. We are reusing this code from mpt3sas.
Signed-off-by: default avatarSreekanth Reddy <Sreekanth.Reddy@avagotech.com>
Acked-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
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drivers/scsi/mpt2sas/mpt2sas_base.c deleted 100644 → 0
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drivers/scsi/mpt2sas/mpt2sas_base.h deleted 100644 → 0
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/*
* This is the Fusion MPT base driver providing common API layer interface
* for access to MPT (Message Passing Technology) firmware.
*
* This code is based on drivers/scsi/mpt2sas/mpt2_base.h
* Copyright (C) 2007-2014 LSI Corporation
* Copyright (C) 20013-2014 Avago Technologies
* (mailto: MPT-FusionLinux.pdl@avagotech.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* NO WARRANTY
* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
* solely responsible for determining the appropriateness of using and
* distributing the Program and assumes all risks associated with its
* exercise of rights under this Agreement, including but not limited to
* the risks and costs of program errors, damage to or loss of data,
* programs or equipment, and unavailability or interruption of operations.
* DISCLAIMER OF LIABILITY
* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#ifndef MPT2SAS_BASE_H_INCLUDED
#define MPT2SAS_BASE_H_INCLUDED
#include "mpi/mpi2_type.h"
#include "mpi/mpi2.h"
#include "mpi/mpi2_ioc.h"
#include "mpi/mpi2_cnfg.h"
#include "mpi/mpi2_init.h"
#include "mpi/mpi2_raid.h"
#include "mpi/mpi2_tool.h"
#include "mpi/mpi2_sas.h"
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_transport_sas.h>
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_eh.h>
#include "mpt2sas_debug.h"
/* driver versioning info */
#define MPT2SAS_DRIVER_NAME "mpt2sas"
#define MPT2SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>"
#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
#define MPT2SAS_DRIVER_VERSION "20.100.00.00"
#define MPT2SAS_MAJOR_VERSION 20
#define MPT2SAS_MINOR_VERSION 100
#define MPT2SAS_BUILD_VERSION 00
#define MPT2SAS_RELEASE_VERSION 00
/*
* Set MPT2SAS_SG_DEPTH value based on user input.
*/
#ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE
#if CONFIG_SCSI_MPT2SAS_MAX_SGE < 16
#define MPT2SAS_SG_DEPTH 16
#elif CONFIG_SCSI_MPT2SAS_MAX_SGE > 128
#define MPT2SAS_SG_DEPTH 128
#else
#define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE
#endif
#else
#define MPT2SAS_SG_DEPTH 128 /* MAX_HW_SEGMENTS */
#endif
/*
* Generic Defines
*/
#define MPT2SAS_SATA_QUEUE_DEPTH 32
#define MPT2SAS_SAS_QUEUE_DEPTH 254
#define MPT2SAS_RAID_QUEUE_DEPTH 128
#define MPT_NAME_LENGTH 32 /* generic length of strings */
#define MPT_STRING_LENGTH 64
#define MPT_MAX_CALLBACKS 16
#define CAN_SLEEP 1
#define NO_SLEEP 0
#define INTERNAL_CMDS_COUNT 10 /* reserved cmds */
#define MPI2_HIM_MASK 0xFFFFFFFF /* mask every bit*/
#define MPT2SAS_INVALID_DEVICE_HANDLE 0xFFFF
/*
* reset phases
*/
#define MPT2_IOC_PRE_RESET 1 /* prior to host reset */
#define MPT2_IOC_AFTER_RESET 2 /* just after host reset */
#define MPT2_IOC_DONE_RESET 3 /* links re-initialized */
/*
* logging format
*/
#define MPT2SAS_FMT "%s: "
#define MPT2SAS_INFO_FMT KERN_INFO MPT2SAS_FMT
#define MPT2SAS_NOTE_FMT KERN_NOTICE MPT2SAS_FMT
#define MPT2SAS_WARN_FMT KERN_WARNING MPT2SAS_FMT
#define MPT2SAS_ERR_FMT KERN_ERR MPT2SAS_FMT
/*
* Dell HBA branding
*/
#define MPT2SAS_DELL_BRANDING_SIZE 32
#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA"
#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter"
#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated"
#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular"
#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded"
#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200"
#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS"
/*
* Dell HBA SSDIDs
*/
#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C
#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D
#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E
#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F
#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20
#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21
#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22
/*
* Intel HBA branding
*/
#define MPT2SAS_INTEL_RMS25JB080_BRANDING \
"Intel(R) Integrated RAID Module RMS25JB080"
#define MPT2SAS_INTEL_RMS25JB040_BRANDING \
"Intel(R) Integrated RAID Module RMS25JB040"
#define MPT2SAS_INTEL_RMS25KB080_BRANDING \
"Intel(R) Integrated RAID Module RMS25KB080"
#define MPT2SAS_INTEL_RMS25KB040_BRANDING \
"Intel(R) Integrated RAID Module RMS25KB040"
#define MPT2SAS_INTEL_RMS25LB040_BRANDING \
"Intel(R) Integrated RAID Module RMS25LB040"
#define MPT2SAS_INTEL_RMS25LB080_BRANDING \
"Intel(R) Integrated RAID Module RMS25LB080"
#define MPT2SAS_INTEL_RMS2LL080_BRANDING \
"Intel Integrated RAID Module RMS2LL080"
#define MPT2SAS_INTEL_RMS2LL040_BRANDING \
"Intel Integrated RAID Module RMS2LL040"
#define MPT2SAS_INTEL_RS25GB008_BRANDING \
"Intel(R) RAID Controller RS25GB008"
#define MPT2SAS_INTEL_SSD910_BRANDING \
"Intel(R) SSD 910 Series"
/*
* Intel HBA SSDIDs
*/
#define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516
#define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517
#define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518
#define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519
#define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A
#define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B
#define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E
#define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F
#define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000
#define MPT2SAS_INTEL_SSD910_SSDID 0x3700
/*
* HP HBA branding
*/
#define MPT2SAS_HP_3PAR_SSVID 0x1590
#define MPT2SAS_HP_2_4_INTERNAL_BRANDING "HP H220 Host Bus Adapter"
#define MPT2SAS_HP_2_4_EXTERNAL_BRANDING "HP H221 Host Bus Adapter"
#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING "HP H222 Host Bus Adapter"
#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING "HP H220i Host Bus Adapter"
#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING "HP H210i Host Bus Adapter"
/*
* HO HBA SSDIDs
*/
#define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041
#define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042
#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043
#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044
#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046
/*
* WarpDrive Specific Log codes
*/
#define MPT2_WARPDRIVE_LOGENTRY (0x8002)
#define MPT2_WARPDRIVE_LC_SSDT (0x41)
#define MPT2_WARPDRIVE_LC_SSDLW (0x43)
#define MPT2_WARPDRIVE_LC_SSDLF (0x44)
#define MPT2_WARPDRIVE_LC_BRMF (0x4D)
/*
* per target private data
*/
#define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01
#define MPT_TARGET_FLAGS_VOLUME 0x02
#define MPT_TARGET_FLAGS_DELETED 0x04
/**
* struct MPT2SAS_TARGET - starget private hostdata
* @starget: starget object
* @sas_address: target sas address
* @raid_device: raid_device pointer to access volume data
* @handle: device handle
* @num_luns: number luns
* @flags: MPT_TARGET_FLAGS_XXX flags
* @deleted: target flaged for deletion
* @tm_busy: target is busy with TM request.
* @sdev: The sas_device associated with this target
*/
struct MPT2SAS_TARGET {
struct scsi_target *starget;
u64 sas_address;
struct _raid_device *raid_device;
u16 handle;
int num_luns;
u32 flags;
u8 deleted;
u8 tm_busy;
struct _sas_device *sdev;
};
/*
* per device private data
*/
#define MPT_DEVICE_FLAGS_INIT 0x01
#define MPT_DEVICE_TLR_ON 0x02
/**
* struct MPT2SAS_DEVICE - sdev private hostdata
* @sas_target: starget private hostdata
* @lun: lun number
* @flags: MPT_DEVICE_XXX flags
* @configured_lun: lun is configured
* @block: device is in SDEV_BLOCK state
* @tlr_snoop_check: flag used in determining whether to disable TLR
*/
/* OEM Identifiers */
#define MFG10_OEM_ID_INVALID (0x00000000)
#define MFG10_OEM_ID_DELL (0x00000001)
#define MFG10_OEM_ID_FSC (0x00000002)
#define MFG10_OEM_ID_SUN (0x00000003)
#define MFG10_OEM_ID_IBM (0x00000004)
/* GENERIC Flags 0*/
#define MFG10_GF0_OCE_DISABLED (0x00000001)
#define MFG10_GF0_R1E_DRIVE_COUNT (0x00000002)
#define MFG10_GF0_R10_DISPLAY (0x00000004)
#define MFG10_GF0_SSD_DATA_SCRUB_DISABLE (0x00000008)
#define MFG10_GF0_SINGLE_DRIVE_R0 (0x00000010)
/* OEM Specific Flags will come from OEM specific header files */
typedef struct _MPI2_CONFIG_PAGE_MAN_10 {
MPI2_CONFIG_PAGE_HEADER Header; /* 00h */
U8 OEMIdentifier; /* 04h */
U8 Reserved1; /* 05h */
U16 Reserved2; /* 08h */
U32 Reserved3; /* 0Ch */
U32 GenericFlags0; /* 10h */
U32 GenericFlags1; /* 14h */
U32 Reserved4; /* 18h */
U32 OEMSpecificFlags0; /* 1Ch */
U32 OEMSpecificFlags1; /* 20h */
U32 Reserved5[18]; /* 24h-60h*/
} MPI2_CONFIG_PAGE_MAN_10,
*PTR_MPI2_CONFIG_PAGE_MAN_10,
Mpi2ManufacturingPage10_t, *pMpi2ManufacturingPage10_t;
#define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003)
#define MFG_PAGE10_HIDE_ALL_DISKS (0x00)
#define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01)
#define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02)
struct MPT2SAS_DEVICE {
struct MPT2SAS_TARGET *sas_target;
unsigned int lun;
u32 flags;
u8 configured_lun;
u8 block;
u8 tlr_snoop_check;
};
#define MPT2_CMD_NOT_USED 0x8000 /* free */
#define MPT2_CMD_COMPLETE 0x0001 /* completed */
#define MPT2_CMD_PENDING 0x0002 /* pending */
#define MPT2_CMD_REPLY_VALID 0x0004 /* reply is valid */
#define MPT2_CMD_RESET 0x0008 /* host reset dropped the command */
/**
* struct _internal_cmd - internal commands struct
* @mutex: mutex
* @done: completion
* @reply: reply message pointer
* @sense: sense data
* @status: MPT2_CMD_XXX status
* @smid: system message id
*/
struct _internal_cmd {
struct mutex mutex;
struct completion done;
void *reply;
void *sense;
u16 status;
u16 smid;
};
/**
* struct _sas_device - attached device information
* @list: sas device list
* @starget: starget object
* @sas_address: device sas address
* @device_name: retrieved from the SAS IDENTIFY frame.
* @handle: device handle
* @sas_address_parent: sas address of parent expander or sas host
* @enclosure_handle: enclosure handle
* @enclosure_logical_id: enclosure logical identifier
* @volume_handle: volume handle (valid when hidden raid member)
* @volume_wwid: volume unique identifier
* @device_info: bitfield provides detailed info about the device
* @id: target id
* @channel: target channel
* @slot: number number
* @phy: phy identifier provided in sas device page 0
* @responding: used in _scsih_sas_device_mark_responding
* @pfa_led_on: flag for PFA LED status
*/
struct _sas_device {
struct list_head list;
struct scsi_target *starget;
u64 sas_address;
u64 device_name;
u16 handle;
u64 sas_address_parent;
u16 enclosure_handle;
u64 enclosure_logical_id;
u16 volume_handle;
u64 volume_wwid;
u32 device_info;
int id;
int channel;
u16 slot;
u8 phy;
u8 responding;
u8 pfa_led_on;
struct kref refcount;
};
static inline void sas_device_get(struct _sas_device *s)
{
kref_get(&s->refcount);
}
static inline void sas_device_free(struct kref *r)
{
kfree(container_of(r, struct _sas_device, refcount));
}
static inline void sas_device_put(struct _sas_device *s)
{
kref_put(&s->refcount, sas_device_free);
}
/**
* struct _raid_device - raid volume link list
* @list: sas device list
* @starget: starget object
* @sdev: scsi device struct (volumes are single lun)
* @wwid: unique identifier for the volume
* @handle: device handle
* @block_size: Block size of the volume
* @id: target id
* @channel: target channel
* @volume_type: the raid level
* @device_info: bitfield provides detailed info about the hidden components
* @num_pds: number of hidden raid components
* @responding: used in _scsih_raid_device_mark_responding
* @percent_complete: resync percent complete
* @direct_io_enabled: Whether direct io to PDs are allowed or not
* @stripe_exponent: X where 2powX is the stripe sz in blocks
* @block_exponent: X where 2powX is the block sz in bytes
* @max_lba: Maximum number of LBA in the volume
* @stripe_sz: Stripe Size of the volume
* @device_info: Device info of the volume member disk
* @pd_handle: Array of handles of the physical drives for direct I/O in le16
*/
#define MPT_MAX_WARPDRIVE_PDS 8
struct _raid_device {
struct list_head list;
struct scsi_target *starget;
struct scsi_device *sdev;
u64 wwid;
u16 handle;
u16 block_sz;
int id;
int channel;
u8 volume_type;
u8 num_pds;
u8 responding;
u8 percent_complete;
u8 direct_io_enabled;
u8 stripe_exponent;
u8 block_exponent;
u64 max_lba;
u32 stripe_sz;
u32 device_info;
u16 pd_handle[MPT_MAX_WARPDRIVE_PDS];
};
/**
* struct _boot_device - boot device info
* @is_raid: flag to indicate whether this is volume
* @device: holds pointer for either struct _sas_device or
* struct _raid_device
*/
struct _boot_device {
u8 is_raid;
void *device;
};
/**
* struct _sas_port - wide/narrow sas port information
* @port_list: list of ports belonging to expander
* @num_phys: number of phys belonging to this port
* @remote_identify: attached device identification
* @rphy: sas transport rphy object
* @port: sas transport wide/narrow port object
* @phy_list: _sas_phy list objects belonging to this port
*/
struct _sas_port {
struct list_head port_list;
u8 num_phys;
struct sas_identify remote_identify;
struct sas_rphy *rphy;
struct sas_port *port;
struct list_head phy_list;
};
/**
* struct _sas_phy - phy information
* @port_siblings: list of phys belonging to a port
* @identify: phy identification
* @remote_identify: attached device identification
* @phy: sas transport phy object
* @phy_id: unique phy id
* @handle: device handle for this phy
* @attached_handle: device handle for attached device
* @phy_belongs_to_port: port has been created for this phy
*/
struct _sas_phy {
struct list_head port_siblings;
struct sas_identify identify;
struct sas_identify remote_identify;
struct sas_phy *phy;
u8 phy_id;
u16 handle;
u16 attached_handle;
u8 phy_belongs_to_port;
};
/**
* struct _sas_node - sas_host/expander information
* @list: list of expanders
* @parent_dev: parent device class
* @num_phys: number phys belonging to this sas_host/expander
* @sas_address: sas address of this sas_host/expander
* @handle: handle for this sas_host/expander
* @sas_address_parent: sas address of parent expander or sas host
* @enclosure_handle: handle for this a member of an enclosure
* @device_info: bitwise defining capabilities of this sas_host/expander
* @responding: used in _scsih_expander_device_mark_responding
* @phy: a list of phys that make up this sas_host/expander
* @sas_port_list: list of ports attached to this sas_host/expander
*/
struct _sas_node {
struct list_head list;
struct device *parent_dev;
u8 num_phys;
u64 sas_address;
u16 handle;
u64 sas_address_parent;
u16 enclosure_handle;
u64 enclosure_logical_id;
u8 responding;
struct _sas_phy *phy;
struct list_head sas_port_list;
};
/**
* enum reset_type - reset state
* @FORCE_BIG_HAMMER: issue diagnostic reset
* @SOFT_RESET: issue message_unit_reset, if fails to to big hammer
*/
enum reset_type {
FORCE_BIG_HAMMER,
SOFT_RESET,
};
/**
* struct chain_tracker - firmware chain tracker
* @chain_buffer: chain buffer
* @chain_buffer_dma: physical address
* @tracker_list: list of free request (ioc->free_chain_list)
*/
struct chain_tracker {
void *chain_buffer;
dma_addr_t chain_buffer_dma;
struct list_head tracker_list;
};
/**
* struct scsiio_tracker - scsi mf request tracker
* @smid: system message id
* @scmd: scsi request pointer
* @cb_idx: callback index
* @direct_io: To indicate whether I/O is direct (WARPDRIVE)
* @chain_list: list of chains associated to this IO
* @tracker_list: list of free request (ioc->free_list)
*/
struct scsiio_tracker {
u16 smid;
struct scsi_cmnd *scmd;
u8 cb_idx;
u8 direct_io;
struct list_head chain_list;
struct list_head tracker_list;
};
/**
* struct request_tracker - firmware request tracker
* @smid: system message id
* @cb_idx: callback index
* @tracker_list: list of free request (ioc->free_list)
*/
struct request_tracker {
u16 smid;
u8 cb_idx;
struct list_head tracker_list;
};
/**
* struct _tr_list - target reset list
* @handle: device handle
* @state: state machine
*/
struct _tr_list {
struct list_head list;
u16 handle;
u16 state;
};
typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
/**
* struct adapter_reply_queue - the reply queue struct
* @ioc: per adapter object
* @msix_index: msix index into vector table
* @vector: irq vector
* @reply_post_host_index: head index in the pool where FW completes IO
* @reply_post_free: reply post base virt address
* @name: the name registered to request_irq()
* @busy: isr is actively processing replies on another cpu
* @list: this list
*/
struct adapter_reply_queue {
struct MPT2SAS_ADAPTER *ioc;
u8 msix_index;
unsigned int vector;
u32 reply_post_host_index;
Mpi2ReplyDescriptorsUnion_t *reply_post_free;
char name[MPT_NAME_LENGTH];
atomic_t busy;
cpumask_var_t affinity_hint;
struct list_head list;
};
/* IOC Facts and Port Facts converted from little endian to cpu */
union mpi2_version_union {
MPI2_VERSION_STRUCT Struct;
u32 Word;
};
struct mpt2sas_facts {
u16 MsgVersion;
u16 HeaderVersion;
u8 IOCNumber;
u8 VP_ID;
u8 VF_ID;
u16 IOCExceptions;
u16 IOCStatus;
u32 IOCLogInfo;
u8 MaxChainDepth;
u8 WhoInit;
u8 NumberOfPorts;
u8 MaxMSIxVectors;
u16 RequestCredit;
u16 ProductID;
u32 IOCCapabilities;
union mpi2_version_union FWVersion;
u16 IOCRequestFrameSize;
u16 Reserved3;
u16 MaxInitiators;
u16 MaxTargets;
u16 MaxSasExpanders;
u16 MaxEnclosures;
u16 ProtocolFlags;
u16 HighPriorityCredit;
u16 MaxReplyDescriptorPostQueueDepth;
u8 ReplyFrameSize;
u8 MaxVolumes;
u16 MaxDevHandle;
u16 MaxPersistentEntries;
u16 MinDevHandle;
};
struct mpt2sas_port_facts {
u8 PortNumber;
u8 VP_ID;
u8 VF_ID;
u8 PortType;
u16 MaxPostedCmdBuffers;
};
struct reply_post_struct {
Mpi2ReplyDescriptorsUnion_t *reply_post_free;
dma_addr_t reply_post_free_dma;
};
/**
* enum mutex_type - task management mutex type
* @TM_MUTEX_OFF: mutex is not required becuase calling function is acquiring it
* @TM_MUTEX_ON: mutex is required
*/
enum mutex_type {
TM_MUTEX_OFF = 0,
TM_MUTEX_ON = 1,
};
typedef void (*MPT2SAS_FLUSH_RUNNING_CMDS)(struct MPT2SAS_ADAPTER *ioc);
/**
* struct MPT2SAS_ADAPTER - per adapter struct
* @list: ioc_list
* @shost: shost object
* @id: unique adapter id
* @cpu_count: number online cpus
* @name: generic ioc string
* @tmp_string: tmp string used for logging
* @pdev: pci pdev object
* @chip: memory mapped register space
* @chip_phys: physical addrss prior to mapping
* @logging_level: see mpt2sas_debug.h
* @fwfault_debug: debuging FW timeouts
* @ir_firmware: IR firmware present
* @bars: bitmask of BAR's that must be configured
* @mask_interrupts: ignore interrupt
* @dma_mask: used to set the consistent dma mask
* @fault_reset_work_q_name: fw fault work queue
* @fault_reset_work_q: ""
* @fault_reset_work: ""
* @firmware_event_name: fw event work queue
* @firmware_event_thread: ""
* @fw_events_off: flag to turn off fw event handling
* @fw_event_lock:
* @fw_event_list: list of fw events
* @aen_event_read_flag: event log was read
* @broadcast_aen_busy: broadcast aen waiting to be serviced
* @shost_recovery: host reset in progress
* @ioc_reset_in_progress_lock:
* @ioc_link_reset_in_progress: phy/hard reset in progress
* @ignore_loginfos: ignore loginfos during task management
* @remove_host: flag for when driver unloads, to avoid sending dev resets
* @pci_error_recovery: flag to prevent ioc access until slot reset completes
* @wait_for_discovery_to_complete: flag set at driver load time when
* waiting on reporting devices
* @is_driver_loading: flag set at driver load time
* @port_enable_failed: flag set when port enable has failed
* @start_scan: flag set from scan_start callback, cleared from _mpt2sas_fw_work
* @start_scan_failed: means port enable failed, return's the ioc_status
* @msix_enable: flag indicating msix is enabled
* @msix_vector_count: number msix vectors
* @cpu_msix_table: table for mapping cpus to msix index
* @cpu_msix_table_sz: table size
* @schedule_dead_ioc_flush_running_cmds: callback to flush pending commands
* @scsi_io_cb_idx: shost generated commands
* @tm_cb_idx: task management commands
* @scsih_cb_idx: scsih internal commands
* @transport_cb_idx: transport internal commands
* @ctl_cb_idx: clt internal commands
* @base_cb_idx: base internal commands
* @config_cb_idx: base internal commands
* @tm_tr_cb_idx : device removal target reset handshake
* @tm_tr_volume_cb_idx : volume removal target reset
* @base_cmds:
* @transport_cmds:
* @scsih_cmds:
* @tm_cmds:
* @ctl_cmds:
* @config_cmds:
* @base_add_sg_single: handler for either 32/64 bit sgl's
* @event_type: bits indicating which events to log
* @event_context: unique id for each logged event
* @event_log: event log pointer
* @event_masks: events that are masked
* @facts: static facts data
* @pfacts: static port facts data
* @manu_pg0: static manufacturing page 0
* @manu_pg10: static manufacturing page 10
* @bios_pg2: static bios page 2
* @bios_pg3: static bios page 3
* @ioc_pg8: static ioc page 8
* @iounit_pg0: static iounit page 0
* @iounit_pg1: static iounit page 1
* @iounit_pg8: static iounit page 8
* @sas_hba: sas host object
* @sas_expander_list: expander object list
* @sas_node_lock:
* @sas_device_list: sas device object list
* @sas_device_init_list: sas device object list (used only at init time)
* @sas_device_lock:
* @io_missing_delay: time for IO completed by fw when PDR enabled
* @device_missing_delay: time for device missing by fw when PDR enabled
* @sas_id : used for setting volume target IDs
* @blocking_handles: bitmask used to identify which devices need blocking
* @pd_handles : bitmask for PD handles
* @pd_handles_sz : size of pd_handle bitmask
* @config_page_sz: config page size
* @config_page: reserve memory for config page payload
* @config_page_dma:
* @hba_queue_depth: hba request queue depth
* @sge_size: sg element size for either 32/64 bit
* @scsiio_depth: SCSI_IO queue depth
* @request_sz: per request frame size
* @request: pool of request frames
* @request_dma:
* @request_dma_sz:
* @scsi_lookup: firmware request tracker list
* @scsi_lookup_lock:
* @free_list: free list of request
* @chain: pool of chains
* @pending_io_count:
* @reset_wq:
* @chain_dma:
* @max_sges_in_main_message: number sg elements in main message
* @max_sges_in_chain_message: number sg elements per chain
* @chains_needed_per_io: max chains per io
* @chain_offset_value_for_main_message: location 1st sg in main
* @chain_depth: total chains allocated
* @hi_priority_smid:
* @hi_priority:
* @hi_priority_dma:
* @hi_priority_depth:
* @hpr_lookup:
* @hpr_free_list:
* @internal_smid:
* @internal:
* @internal_dma:
* @internal_depth:
* @internal_lookup:
* @internal_free_list:
* @sense: pool of sense
* @sense_dma:
* @sense_dma_pool:
* @reply_depth: hba reply queue depth:
* @reply_sz: per reply frame size:
* @reply: pool of replys:
* @reply_dma:
* @reply_dma_pool:
* @reply_free_queue_depth: reply free depth
* @reply_free: pool for reply free queue (32 bit addr)
* @reply_free_dma:
* @reply_free_dma_pool:
* @reply_free_host_index: tail index in pool to insert free replys
* @reply_post_queue_depth: reply post queue depth
* @reply_post_struct: struct for reply_post_free physical & virt address
* @rdpq_array_capable: FW supports multiple reply queue addresses in ioc_init
* @rdpq_array_enable: rdpq_array support is enabled in the driver
* @rdpq_array_enable_assigned: this ensures that rdpq_array_enable flag
* is assigned only ones
* @reply_queue_count: number of reply queue's
* @reply_queue_list: link list contaning the reply queue info
* @reply_post_host_index: head index in the pool where FW completes IO
* @delayed_tr_list: target reset link list
* @delayed_tr_volume_list: volume target reset link list
* @@temp_sensors_count: flag to carry the number of temperature sensors
* @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and
* pci resource handling. PCI resource freeing will lead to free
* vital hardware/memory resource, which might be in use by cli/sysfs
* path functions resulting in Null pointer reference followed by kernel
* crash. To avoid the above race condition we use mutex syncrhonization
* which ensures the syncrhonization between cli/sysfs_show path
*/
struct MPT2SAS_ADAPTER {
struct list_head list;
struct Scsi_Host *shost;
u8 id;
int cpu_count;
char name[MPT_NAME_LENGTH];
char tmp_string[MPT_STRING_LENGTH];
struct pci_dev *pdev;
Mpi2SystemInterfaceRegs_t __iomem *chip;
resource_size_t chip_phys;
int logging_level;
int fwfault_debug;
u8 ir_firmware;
int bars;
u8 mask_interrupts;
int dma_mask;
/* fw fault handler */
char fault_reset_work_q_name[20];
struct workqueue_struct *fault_reset_work_q;
struct delayed_work fault_reset_work;
/* fw event handler */
char firmware_event_name[20];
struct workqueue_struct *firmware_event_thread;
spinlock_t fw_event_lock;
struct list_head fw_event_list;
/* misc flags */
int aen_event_read_flag;
u8 broadcast_aen_busy;
u16 broadcast_aen_pending;
u8 shost_recovery;
struct mutex reset_in_progress_mutex;
spinlock_t ioc_reset_in_progress_lock;
u8 ioc_link_reset_in_progress;
u8 ioc_reset_in_progress_status;
u8 ignore_loginfos;
u8 remove_host;
u8 pci_error_recovery;
u8 wait_for_discovery_to_complete;
struct completion port_enable_done;
u8 is_driver_loading;
u8 port_enable_failed;
u8 start_scan;
u16 start_scan_failed;
u8 msix_enable;
u16 msix_vector_count;
u8 *cpu_msix_table;
resource_size_t __iomem **reply_post_host_index;
u16 cpu_msix_table_sz;
u32 ioc_reset_count;
MPT2SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds;
u32 non_operational_loop;
/* internal commands, callback index */
u8 scsi_io_cb_idx;
u8 tm_cb_idx;
u8 transport_cb_idx;
u8 scsih_cb_idx;
u8 ctl_cb_idx;
u8 base_cb_idx;
u8 port_enable_cb_idx;
u8 config_cb_idx;
u8 tm_tr_cb_idx;
u8 tm_tr_volume_cb_idx;
u8 tm_sas_control_cb_idx;
struct _internal_cmd base_cmds;
struct _internal_cmd port_enable_cmds;
struct _internal_cmd transport_cmds;
struct _internal_cmd scsih_cmds;
struct _internal_cmd tm_cmds;
struct _internal_cmd ctl_cmds;
struct _internal_cmd config_cmds;
MPT_ADD_SGE base_add_sg_single;
/* event log */
u32 event_type[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
u32 event_context;
void *event_log;
u32 event_masks[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
/* static config pages */
struct mpt2sas_facts facts;
struct mpt2sas_port_facts *pfacts;
Mpi2ManufacturingPage0_t manu_pg0;
Mpi2BiosPage2_t bios_pg2;
Mpi2BiosPage3_t bios_pg3;
Mpi2IOCPage8_t ioc_pg8;
Mpi2IOUnitPage0_t iounit_pg0;
Mpi2IOUnitPage1_t iounit_pg1;
Mpi2IOUnitPage8_t iounit_pg8;
struct _boot_device req_boot_device;
struct _boot_device req_alt_boot_device;
struct _boot_device current_boot_device;
/* sas hba, expander, and device list */
struct _sas_node sas_hba;
struct list_head sas_expander_list;
spinlock_t sas_node_lock;
struct list_head sas_device_list;
struct list_head sas_device_init_list;
spinlock_t sas_device_lock;
struct list_head raid_device_list;
spinlock_t raid_device_lock;
u8 io_missing_delay;
u16 device_missing_delay;
int sas_id;
void *blocking_handles;
void *pd_handles;
u16 pd_handles_sz;
/* config page */
u16 config_page_sz;
void *config_page;
dma_addr_t config_page_dma;
/* scsiio request */
u16 hba_queue_depth;
u16 sge_size;
u16 scsiio_depth;
u16 request_sz;
u8 *request;
dma_addr_t request_dma;
u32 request_dma_sz;
struct scsiio_tracker *scsi_lookup;
ulong scsi_lookup_pages;
spinlock_t scsi_lookup_lock;
struct list_head free_list;
int pending_io_count;
wait_queue_head_t reset_wq;
/* chain */
struct chain_tracker *chain_lookup;
struct list_head free_chain_list;
struct dma_pool *chain_dma_pool;
ulong chain_pages;
u16 max_sges_in_main_message;
u16 max_sges_in_chain_message;
u16 chains_needed_per_io;
u16 chain_offset_value_for_main_message;
u32 chain_depth;
/* hi-priority queue */
u16 hi_priority_smid;
u8 *hi_priority;
dma_addr_t hi_priority_dma;
u16 hi_priority_depth;
struct request_tracker *hpr_lookup;
struct list_head hpr_free_list;
/* internal queue */
u16 internal_smid;
u8 *internal;
dma_addr_t internal_dma;
u16 internal_depth;
struct request_tracker *internal_lookup;
struct list_head internal_free_list;
/* sense */
u8 *sense;
dma_addr_t sense_dma;
struct dma_pool *sense_dma_pool;
/* reply */
u16 reply_sz;
u8 *reply;
dma_addr_t reply_dma;
u32 reply_dma_max_address;
u32 reply_dma_min_address;
struct dma_pool *reply_dma_pool;
/* reply free queue */
u16 reply_free_queue_depth;
__le32 *reply_free;
dma_addr_t reply_free_dma;
struct dma_pool *reply_free_dma_pool;
u32 reply_free_host_index;
/* reply post queue */
u16 reply_post_queue_depth;
struct reply_post_struct *reply_post;
u8 rdpq_array_capable;
u8 rdpq_array_enable;
u8 rdpq_array_enable_assigned;
struct dma_pool *reply_post_free_dma_pool;
u8 reply_queue_count;
struct list_head reply_queue_list;
struct list_head delayed_tr_list;
struct list_head delayed_tr_volume_list;
u8 temp_sensors_count;
/* diag buffer support */
u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT];
u32 diag_buffer_sz[MPI2_DIAG_BUF_TYPE_COUNT];
dma_addr_t diag_buffer_dma[MPI2_DIAG_BUF_TYPE_COUNT];
u8 diag_buffer_status[MPI2_DIAG_BUF_TYPE_COUNT];
u32 unique_id[MPI2_DIAG_BUF_TYPE_COUNT];
Mpi2ManufacturingPage10_t manu_pg10;
u32 product_specific[MPI2_DIAG_BUF_TYPE_COUNT][23];
u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT];
u32 ring_buffer_offset;
u32 ring_buffer_sz;
u8 is_warpdrive;
u8 hide_ir_msg;
u8 mfg_pg10_hide_flag;
u8 hide_drives;
struct mutex pci_access_mutex;
};
typedef u8 (*MPT_CALLBACK)(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
u32 reply);
/* base shared API */
extern struct list_head mpt2sas_ioc_list;
/* spinlock on list operations over IOCs
* Case: when multiple warpdrive cards(IOCs) are in use
* Each IOC will added to the ioc list stucture on initialization.
* Watchdog threads run at regular intervals to check IOC for any
* fault conditions which will trigger the dead_ioc thread to
* deallocate pci resource, resulting deleting the IOC netry from list,
* this deletion need to protected by spinlock to enusre that
* ioc removal is syncrhonized, if not synchronized it might lead to
* list_del corruption as the ioc list is traversed in cli path
*/
extern spinlock_t gioc_lock;
void mpt2sas_base_start_watchdog(struct MPT2SAS_ADAPTER *ioc);
void mpt2sas_base_stop_watchdog(struct MPT2SAS_ADAPTER *ioc);
int mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc);
void mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc);
int mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc);
void mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc);
int mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag,
enum reset_type type);
void *mpt2sas_base_get_msg_frame(struct MPT2SAS_ADAPTER *ioc, u16 smid);
void *mpt2sas_base_get_sense_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid);
void mpt2sas_base_build_zero_len_sge(struct MPT2SAS_ADAPTER *ioc, void *paddr);
__le32 mpt2sas_base_get_sense_buffer_dma(struct MPT2SAS_ADAPTER *ioc,
u16 smid);
void mpt2sas_base_flush_reply_queues(struct MPT2SAS_ADAPTER *ioc);
/* hi-priority queue */
u16 mpt2sas_base_get_smid_hpr(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
u16 mpt2sas_base_get_smid_scsiio(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx,
struct scsi_cmnd *scmd);
u16 mpt2sas_base_get_smid(struct MPT2SAS_ADAPTER *ioc, u8 cb_idx);
void mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid);
void mpt2sas_base_put_smid_scsi_io(struct MPT2SAS_ADAPTER *ioc, u16 smid,
u16 handle);
void mpt2sas_base_put_smid_hi_priority(struct MPT2SAS_ADAPTER *ioc, u16 smid);
void mpt2sas_base_put_smid_target_assist(struct MPT2SAS_ADAPTER *ioc, u16 smid,
u16 io_index);
void mpt2sas_base_put_smid_default(struct MPT2SAS_ADAPTER *ioc, u16 smid);
void mpt2sas_base_initialize_callback_handler(void);
u8 mpt2sas_base_register_callback_handler(MPT_CALLBACK cb_func);
void mpt2sas_base_release_callback_handler(u8 cb_idx);
u8 mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
u32 reply);
u8 mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid,
u8 msix_index, u32 reply);
void *mpt2sas_base_get_reply_virt_addr(struct MPT2SAS_ADAPTER *ioc, u32 phys_addr);
u32 mpt2sas_base_get_iocstate(struct MPT2SAS_ADAPTER *ioc, int cooked);
void mpt2sas_base_fault_info(struct MPT2SAS_ADAPTER *ioc , u16 fault_code);
int mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc,
Mpi2SasIoUnitControlReply_t *mpi_reply, Mpi2SasIoUnitControlRequest_t
*mpi_request);
int mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc,
Mpi2SepReply_t *mpi_reply, Mpi2SepRequest_t *mpi_request);
void mpt2sas_base_validate_event_type(struct MPT2SAS_ADAPTER *ioc, u32 *event_type);
void mpt2sas_halt_firmware(struct MPT2SAS_ADAPTER *ioc);
void mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc,
u16 device_missing_delay, u8 io_missing_delay);
int mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc);
/* scsih shared API */
void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
u32 reply);
int mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle,
uint channel, uint id, uint lun, u8 type, u16 smid_task,
ulong timeout, enum mutex_type m_type);
void mpt2sas_scsih_set_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
void mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle);
void mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
void mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
u64 sas_address);
struct _sas_node *mpt2sas_scsih_expander_find_by_handle(struct MPT2SAS_ADAPTER *ioc,
u16 handle);
struct _sas_node *mpt2sas_scsih_expander_find_by_sas_address(struct MPT2SAS_ADAPTER
*ioc, u64 sas_address);
struct _sas_device *mpt2sas_get_sdev_by_addr(
struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
struct _sas_device *__mpt2sas_get_sdev_by_addr(
struct MPT2SAS_ADAPTER *ioc, u64 sas_address);
void mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc);
void mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
/* config shared API */
u8 mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
u32 reply);
int mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys);
int mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page);
int mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page);
int mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2BiosPage2_t *config_page);
int mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2BiosPage3_t *config_page);
int mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOUnitPage0_t *config_page);
int mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle);
int mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle);
int mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz);
int mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOUnitPage1_t *config_page);
int mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOUnitPage1_t *config_page);
int mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page);
int mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz);
int mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
int mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz);
int mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2IOCPage8_t *config_page);
int mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle);
int mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number, u16 handle);
int mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle);
int mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number);
int mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number);
int mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form, u32 handle);
int mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 *num_pds);
int mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form, u32 handle, u16 sz);
int mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
u32 form_specific);
int mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
u16 *volume_handle);
int mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
u64 *wwid);
/* ctl shared API */
extern struct device_attribute *mpt2sas_host_attrs[];
extern struct device_attribute *mpt2sas_dev_attrs[];
void mpt2sas_ctl_init(void);
void mpt2sas_ctl_exit(void);
u8 mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
u32 reply);
void mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase);
void mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
u32 reply);
void mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
Mpi2EventNotificationReply_t *mpi_reply);
void mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc,
u8 bits_to_regsiter);
/* transport shared API */
u8 mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
u32 reply);
struct _sas_port *mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc,
u16 handle, u64 sas_address);
void mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
u64 sas_address_parent);
int mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
*mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev);
int mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
*mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev);
void mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
u64 sas_address, u16 handle, u8 phy_number, u8 link_rate);
extern struct sas_function_template mpt2sas_transport_functions;
extern struct scsi_transport_template *mpt2sas_transport_template;
extern int scsi_internal_device_block(struct scsi_device *sdev);
extern u8 mpt2sas_stm_zero_smid_handler(struct MPT2SAS_ADAPTER *ioc,
u8 msix_index, u32 reply);
extern int scsi_internal_device_unblock(struct scsi_device *sdev,
enum scsi_device_state new_state);
#endif /* MPT2SAS_BASE_H_INCLUDED */
drivers/scsi/mpt2sas/mpt2sas_config.c deleted 100644 → 0
View file @ 78f97c8f
/*
* This module provides common API for accessing firmware configuration pages
*
* This code is based on drivers/scsi/mpt2sas/mpt2_base.c
* Copyright (C) 2007-2014 LSI Corporation
* Copyright (C) 20013-2014 Avago Technologies
* (mailto: MPT-FusionLinux.pdl@avagotech.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* NO WARRANTY
* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
* solely responsible for determining the appropriateness of using and
* distributing the Program and assumes all risks associated with its
* exercise of rights under this Agreement, including but not limited to
* the risks and costs of program errors, damage to or loss of data,
* programs or equipment, and unavailability or interruption of operations.
* DISCLAIMER OF LIABILITY
* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/blkdev.h>
#include <linux/sched.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include "mpt2sas_base.h"
/* local definitions */
/* Timeout for config page request (in seconds) */
#define MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT 15
/* Common sgl flags for READING a config page. */
#define MPT2_CONFIG_COMMON_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
| MPI2_SGE_FLAGS_END_OF_LIST) << MPI2_SGE_FLAGS_SHIFT)
/* Common sgl flags for WRITING a config page. */
#define MPT2_CONFIG_COMMON_WRITE_SGLFLAGS ((MPI2_SGE_FLAGS_SIMPLE_ELEMENT | \
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER \
| MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC) \
<< MPI2_SGE_FLAGS_SHIFT)
/**
* struct config_request - obtain dma memory via routine
* @sz: size
* @page: virt pointer
* @page_dma: phys pointer
*
*/
struct config_request{
u16 sz;
void *page;
dma_addr_t page_dma;
};
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
/**
* _config_display_some_debug - debug routine
* @ioc: per adapter object
* @smid: system request message index
* @calling_function_name: string pass from calling function
* @mpi_reply: reply message frame
* Context: none.
*
* Function for displaying debug info helpful when debugging issues
* in this module.
*/
static void
_config_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
{
Mpi2ConfigRequest_t *mpi_request;
char *desc = NULL;
if (!(ioc->logging_level & MPT_DEBUG_CONFIG))
return;
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
switch (mpi_request->Header.PageType & MPI2_CONFIG_PAGETYPE_MASK) {
case MPI2_CONFIG_PAGETYPE_IO_UNIT:
desc = "io_unit";
break;
case MPI2_CONFIG_PAGETYPE_IOC:
desc = "ioc";
break;
case MPI2_CONFIG_PAGETYPE_BIOS:
desc = "bios";
break;
case MPI2_CONFIG_PAGETYPE_RAID_VOLUME:
desc = "raid_volume";
break;
case MPI2_CONFIG_PAGETYPE_MANUFACTURING:
desc = "manufaucturing";
break;
case MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK:
desc = "physdisk";
break;
case MPI2_CONFIG_PAGETYPE_EXTENDED:
switch (mpi_request->ExtPageType) {
case MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT:
desc = "sas_io_unit";
break;
case MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER:
desc = "sas_expander";
break;
case MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE:
desc = "sas_device";
break;
case MPI2_CONFIG_EXTPAGETYPE_SAS_PHY:
desc = "sas_phy";
break;
case MPI2_CONFIG_EXTPAGETYPE_LOG:
desc = "log";
break;
case MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE:
desc = "enclosure";
break;
case MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG:
desc = "raid_config";
break;
case MPI2_CONFIG_EXTPAGETYPE_DRIVER_MAPPING:
desc = "driver_mapping";
break;
}
break;
}
if (!desc)
return;
printk(MPT2SAS_INFO_FMT "%s: %s(%d), action(%d), form(0x%08x), "
"smid(%d)\n", ioc->name, calling_function_name, desc,
mpi_request->Header.PageNumber, mpi_request->Action,
le32_to_cpu(mpi_request->PageAddress), smid);
if (!mpi_reply)
return;
if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
printk(MPT2SAS_INFO_FMT
"\tiocstatus(0x%04x), loginfo(0x%08x)\n",
ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
le32_to_cpu(mpi_reply->IOCLogInfo));
}
#endif
/**
* _config_alloc_config_dma_memory - obtain physical memory
* @ioc: per adapter object
* @mem: struct config_request
*
* A wrapper for obtaining dma-able memory for config page request.
*
* Returns 0 for success, non-zero for failure.
*/
static int
_config_alloc_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
struct config_request *mem)
{
int r = 0;
if (mem->sz > ioc->config_page_sz) {
mem->page = dma_alloc_coherent(&ioc->pdev->dev, mem->sz,
&mem->page_dma, GFP_KERNEL);
if (!mem->page) {
printk(MPT2SAS_ERR_FMT "%s: dma_alloc_coherent"
" failed asking for (%d) bytes!!\n",
ioc->name, __func__, mem->sz);
r = -ENOMEM;
}
} else { /* use tmp buffer if less than 512 bytes */
mem->page = ioc->config_page;
mem->page_dma = ioc->config_page_dma;
}
return r;
}
/**
* _config_free_config_dma_memory - wrapper to free the memory
* @ioc: per adapter object
* @mem: struct config_request
*
* A wrapper to free dma-able memory when using _config_alloc_config_dma_memory.
*
* Returns 0 for success, non-zero for failure.
*/
static void
_config_free_config_dma_memory(struct MPT2SAS_ADAPTER *ioc,
struct config_request *mem)
{
if (mem->sz > ioc->config_page_sz)
dma_free_coherent(&ioc->pdev->dev, mem->sz, mem->page,
mem->page_dma);
}
/**
* mpt2sas_config_done - config page completion routine
* @ioc: per adapter object
* @smid: system request message index
* @msix_index: MSIX table index supplied by the OS
* @reply: reply message frame(lower 32bit addr)
* Context: none.
*
* The callback handler when using _config_request.
*
* Return 1 meaning mf should be freed from _base_interrupt
* 0 means the mf is freed from this function.
*/
u8
mpt2sas_config_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
u32 reply)
{
MPI2DefaultReply_t *mpi_reply;
if (ioc->config_cmds.status == MPT2_CMD_NOT_USED)
return 1;
if (ioc->config_cmds.smid != smid)
return 1;
ioc->config_cmds.status |= MPT2_CMD_COMPLETE;
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
if (mpi_reply) {
ioc->config_cmds.status |= MPT2_CMD_REPLY_VALID;
memcpy(ioc->config_cmds.reply, mpi_reply,
mpi_reply->MsgLength*4);
}
ioc->config_cmds.status &= ~MPT2_CMD_PENDING;
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
_config_display_some_debug(ioc, smid, "config_done", mpi_reply);
#endif
ioc->config_cmds.smid = USHRT_MAX;
complete(&ioc->config_cmds.done);
return 1;
}
/**
* _config_request - main routine for sending config page requests
* @ioc: per adapter object
* @mpi_request: request message frame
* @mpi_reply: reply mf payload returned from firmware
* @timeout: timeout in seconds
* @config_page: contents of the config page
* @config_page_sz: size of config page
* Context: sleep
*
* A generic API for config page requests to firmware.
*
* The ioc->config_cmds.status flag should be MPT2_CMD_NOT_USED before calling
* this API.
*
* The callback index is set inside `ioc->config_cb_idx.
*
* Returns 0 for success, non-zero for failure.
*/
static int
_config_request(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigRequest_t
*mpi_request, Mpi2ConfigReply_t *mpi_reply, int timeout,
void *config_page, u16 config_page_sz)
{
u16 smid;
u32 ioc_state;
unsigned long timeleft;
Mpi2ConfigRequest_t *config_request;
int r;
u8 retry_count, issue_host_reset = 0;
u16 wait_state_count;
struct config_request mem;
mutex_lock(&ioc->config_cmds.mutex);
if (ioc->config_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: config_cmd in use\n",
ioc->name, __func__);
mutex_unlock(&ioc->config_cmds.mutex);
return -EAGAIN;
}
retry_count = 0;
memset(&mem, 0, sizeof(struct config_request));
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
if (config_page) {
mpi_request->Header.PageVersion = mpi_reply->Header.PageVersion;
mpi_request->Header.PageNumber = mpi_reply->Header.PageNumber;
mpi_request->Header.PageType = mpi_reply->Header.PageType;
mpi_request->Header.PageLength = mpi_reply->Header.PageLength;
mpi_request->ExtPageLength = mpi_reply->ExtPageLength;
mpi_request->ExtPageType = mpi_reply->ExtPageType;
if (mpi_request->Header.PageLength)
mem.sz = mpi_request->Header.PageLength * 4;
else
mem.sz = le16_to_cpu(mpi_reply->ExtPageLength) * 4;
r = _config_alloc_config_dma_memory(ioc, &mem);
if (r != 0)
goto out;
if (mpi_request->Action ==
MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT ||
mpi_request->Action ==
MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM) {
ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
MPT2_CONFIG_COMMON_WRITE_SGLFLAGS | mem.sz,
mem.page_dma);
memcpy(mem.page, config_page, min_t(u16, mem.sz,
config_page_sz));
} else {
memset(config_page, 0, config_page_sz);
ioc->base_add_sg_single(&mpi_request->PageBufferSGE,
MPT2_CONFIG_COMMON_SGLFLAGS | mem.sz, mem.page_dma);
}
}
retry_config:
if (retry_count) {
if (retry_count > 2) { /* attempt only 2 retries */
r = -EFAULT;
goto free_mem;
}
printk(MPT2SAS_INFO_FMT "%s: attempting retry (%d)\n",
ioc->name, __func__, retry_count);
}
wait_state_count = 0;
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
if (wait_state_count++ == MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT) {
printk(MPT2SAS_ERR_FMT
"%s: failed due to ioc not operational\n",
ioc->name, __func__);
ioc->config_cmds.status = MPT2_CMD_NOT_USED;
r = -EFAULT;
goto free_mem;
}
ssleep(1);
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
printk(MPT2SAS_INFO_FMT "%s: waiting for "
"operational state(count=%d)\n", ioc->name,
__func__, wait_state_count);
}
if (wait_state_count)
printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
ioc->name, __func__);
smid = mpt2sas_base_get_smid(ioc, ioc->config_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
ioc->config_cmds.status = MPT2_CMD_NOT_USED;
r = -EAGAIN;
goto free_mem;
}
r = 0;
memset(mpi_reply, 0, sizeof(Mpi2ConfigReply_t));
ioc->config_cmds.status = MPT2_CMD_PENDING;
config_request = mpt2sas_base_get_msg_frame(ioc, smid);
ioc->config_cmds.smid = smid;
memcpy(config_request, mpi_request, sizeof(Mpi2ConfigRequest_t));
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
_config_display_some_debug(ioc, smid, "config_request", NULL);
#endif
init_completion(&ioc->config_cmds.done);
mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->config_cmds.done,
timeout*HZ);
if (!(ioc->config_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
ioc->name, __func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi2ConfigRequest_t)/4);
retry_count++;
if (ioc->config_cmds.smid == smid)
mpt2sas_base_free_smid(ioc, smid);
if ((ioc->shost_recovery) || (ioc->config_cmds.status &
MPT2_CMD_RESET) || ioc->pci_error_recovery)
goto retry_config;
issue_host_reset = 1;
r = -EFAULT;
goto free_mem;
}
if (ioc->config_cmds.status & MPT2_CMD_REPLY_VALID)
memcpy(mpi_reply, ioc->config_cmds.reply,
sizeof(Mpi2ConfigReply_t));
if (retry_count)
printk(MPT2SAS_INFO_FMT "%s: retry (%d) completed!!\n",
ioc->name, __func__, retry_count);
if (config_page && mpi_request->Action ==
MPI2_CONFIG_ACTION_PAGE_READ_CURRENT)
memcpy(config_page, mem.page, min_t(u16, mem.sz,
config_page_sz));
free_mem:
if (config_page)
_config_free_config_dma_memory(ioc, &mem);
out:
ioc->config_cmds.status = MPT2_CMD_NOT_USED;
mutex_unlock(&ioc->config_cmds.mutex);
if (issue_host_reset)
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
return r;
}
/**
* mpt2sas_config_get_manufacturing_pg0 - obtain manufacturing page 0
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_manufacturing_pg0(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage0_t *config_page)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_manufacturing_pg10 - obtain manufacturing page 10
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_manufacturing_pg10(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2ManufacturingPage10_t *config_page)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_MANUFACTURING;
mpi_request.Header.PageNumber = 10;
mpi_request.Header.PageVersion = MPI2_MANUFACTURING0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_bios_pg2 - obtain bios page 2
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_bios_pg2(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2BiosPage2_t *config_page)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
mpi_request.Header.PageNumber = 2;
mpi_request.Header.PageVersion = MPI2_BIOSPAGE2_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_bios_pg3 - obtain bios page 3
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_bios_pg3(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2BiosPage3_t *config_page)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_BIOS;
mpi_request.Header.PageNumber = 3;
mpi_request.Header.PageVersion = MPI2_BIOSPAGE3_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_iounit_pg0 - obtain iounit page 0
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_iounit_pg0(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage0_t *config_page)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_IOUNITPAGE0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_iounit_pg1 - obtain iounit page 1
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
mpi_request.Header.PageNumber = 1;
mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_set_iounit_pg1 - set iounit page 1
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_set_iounit_pg1(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
mpi_request.Header.PageNumber = 1;
mpi_request.Header.PageVersion = MPI2_IOUNITPAGE1_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_iounit_pg3 - obtain iounit page 3
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @sz: size of buffer passed in config_page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_iounit_pg3(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
mpi_request.Header.PageNumber = 3;
mpi_request.Header.PageVersion = MPI2_IOUNITPAGE3_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
out:
return r;
}
/**
* mpt2sas_config_get_iounit_pg8 - obtain iounit page 8
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_iounit_pg8(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage8_t *config_page)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT;
mpi_request.Header.PageNumber = 8;
mpi_request.Header.PageVersion = MPI2_IOUNITPAGE8_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_ioc_pg8 - obtain ioc page 8
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_ioc_pg8(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2IOCPage8_t *config_page)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IOC;
mpi_request.Header.PageNumber = 8;
mpi_request.Header.PageVersion = MPI2_IOCPAGE8_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_sas_device_pg0 - obtain sas device page 0
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @form: GET_NEXT_HANDLE or HANDLE
* @handle: device handle
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_sas_device_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasDevicePage0_t *config_page, u32 form, u32 handle)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
mpi_request.Header.PageVersion = MPI2_SASDEVICE0_PAGEVERSION;
mpi_request.Header.PageNumber = 0;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress = cpu_to_le32(form | handle);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_sas_device_pg1 - obtain sas device page 1
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @form: GET_NEXT_HANDLE or HANDLE
* @handle: device handle
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_sas_device_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasDevicePage1_t *config_page, u32 form, u32 handle)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
mpi_request.Header.PageVersion = MPI2_SASDEVICE1_PAGEVERSION;
mpi_request.Header.PageNumber = 1;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress = cpu_to_le32(form | handle);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_number_hba_phys - obtain number of phys on the host
* @ioc: per adapter object
* @num_phys: pointer returned with the number of phys
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_number_hba_phys(struct MPT2SAS_ADAPTER *ioc, u8 *num_phys)
{
Mpi2ConfigRequest_t mpi_request;
int r;
u16 ioc_status;
Mpi2ConfigReply_t mpi_reply;
Mpi2SasIOUnitPage0_t config_page;
*num_phys = 0;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, &mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, &mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
sizeof(Mpi2SasIOUnitPage0_t));
if (!r) {
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
*num_phys = config_page.NumPhys;
}
out:
return r;
}
/**
* mpt2sas_config_get_sas_iounit_pg0 - obtain sas iounit page 0
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @sz: size of buffer passed in config_page
* Context: sleep.
*
* Calling function should call config_get_number_hba_phys prior to
* this function, so enough memory is allocated for config_page.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_sas_iounit_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasIOUnitPage0_t *config_page, u16 sz)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
out:
return r;
}
/**
* mpt2sas_config_get_sas_iounit_pg1 - obtain sas iounit page 1
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @sz: size of buffer passed in config_page
* Context: sleep.
*
* Calling function should call config_get_number_hba_phys prior to
* this function, so enough memory is allocated for config_page.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
mpi_request.Header.PageNumber = 1;
mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
out:
return r;
}
/**
* mpt2sas_config_set_sas_iounit_pg1 - send sas iounit page 1
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @sz: size of buffer passed in config_page
* Context: sleep.
*
* Calling function should call config_get_number_hba_phys prior to
* this function, so enough memory is allocated for config_page.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_set_sas_iounit_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasIOUnitPage1_t *config_page, u16 sz)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
mpi_request.Header.PageNumber = 1;
mpi_request.Header.PageVersion = MPI2_SASIOUNITPAGE1_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_CURRENT;
_config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_WRITE_NVRAM;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
out:
return r;
}
/**
* mpt2sas_config_get_expander_pg0 - obtain expander page 0
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @form: GET_NEXT_HANDLE or HANDLE
* @handle: expander handle
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_expander_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2ExpanderPage0_t *config_page, u32 form, u32 handle)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_SASEXPANDER0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress = cpu_to_le32(form | handle);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_expander_pg1 - obtain expander page 1
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @phy_number: phy number
* @handle: expander handle
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_expander_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2ExpanderPage1_t *config_page, u32 phy_number,
u16 handle)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
mpi_request.Header.PageNumber = 1;
mpi_request.Header.PageVersion = MPI2_SASEXPANDER1_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress =
cpu_to_le32(MPI2_SAS_EXPAND_PGAD_FORM_HNDL_PHY_NUM |
(phy_number << MPI2_SAS_EXPAND_PGAD_PHYNUM_SHIFT) | handle);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_enclosure_pg0 - obtain enclosure page 0
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @form: GET_NEXT_HANDLE or HANDLE
* @handle: expander handle
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_enclosure_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasEnclosurePage0_t *config_page, u32 form, u32 handle)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_ENCLOSURE;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_SASENCLOSURE0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress = cpu_to_le32(form | handle);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_phy_pg0 - obtain phy page 0
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @phy_number: phy number
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_phy_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasPhyPage0_t *config_page, u32 phy_number)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_SASPHY0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress =
cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_phy_pg1 - obtain phy page 1
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @phy_number: phy number
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_phy_pg1(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2SasPhyPage1_t *config_page, u32 phy_number)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
mpi_request.Header.PageNumber = 1;
mpi_request.Header.PageVersion = MPI2_SASPHY1_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress =
cpu_to_le32(MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | phy_number);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_raid_volume_pg1 - obtain raid volume page 1
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @form: GET_NEXT_HANDLE or HANDLE
* @handle: volume handle
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_raid_volume_pg1(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage1_t *config_page, u32 form,
u32 handle)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
mpi_request.Header.PageNumber = 1;
mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE1_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress = cpu_to_le32(form | handle);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_number_pds - obtain number of phys disk assigned to volume
* @ioc: per adapter object
* @handle: volume handle
* @num_pds: returns pds count
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_number_pds(struct MPT2SAS_ADAPTER *ioc, u16 handle,
u8 *num_pds)
{
Mpi2ConfigRequest_t mpi_request;
Mpi2RaidVolPage0_t config_page;
Mpi2ConfigReply_t mpi_reply;
int r;
u16 ioc_status;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
*num_pds = 0;
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, &mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress =
cpu_to_le32(MPI2_RAID_VOLUME_PGAD_FORM_HANDLE | handle);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, &mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, &config_page,
sizeof(Mpi2RaidVolPage0_t));
if (!r) {
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
if (ioc_status == MPI2_IOCSTATUS_SUCCESS)
*num_pds = config_page.NumPhysDisks;
}
out:
return r;
}
/**
* mpt2sas_config_get_raid_volume_pg0 - obtain raid volume page 0
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @form: GET_NEXT_HANDLE or HANDLE
* @handle: volume handle
* @sz: size of buffer passed in config_page
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_raid_volume_pg0(struct MPT2SAS_ADAPTER *ioc,
Mpi2ConfigReply_t *mpi_reply, Mpi2RaidVolPage0_t *config_page, u32 form,
u32 handle, u16 sz)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_VOLUME;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_RAIDVOLPAGE0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress = cpu_to_le32(form | handle);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz);
out:
return r;
}
/**
* mpt2sas_config_get_phys_disk_pg0 - obtain phys disk page 0
* @ioc: per adapter object
* @mpi_reply: reply mf payload returned from firmware
* @config_page: contents of the config page
* @form: GET_NEXT_PHYSDISKNUM, PHYSDISKNUM, DEVHANDLE
* @form_specific: specific to the form
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_phys_disk_pg0(struct MPT2SAS_ADAPTER *ioc, Mpi2ConfigReply_t
*mpi_reply, Mpi2RaidPhysDiskPage0_t *config_page, u32 form,
u32 form_specific)
{
Mpi2ConfigRequest_t mpi_request;
int r;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_RAID_PHYSDISK;
mpi_request.Header.PageNumber = 0;
mpi_request.Header.PageVersion = MPI2_RAIDPHYSDISKPAGE0_PAGEVERSION;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.PageAddress = cpu_to_le32(form | form_specific);
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
r = _config_request(ioc, &mpi_request, mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
sizeof(*config_page));
out:
return r;
}
/**
* mpt2sas_config_get_volume_handle - returns volume handle for give hidden raid components
* @ioc: per adapter object
* @pd_handle: phys disk handle
* @volume_handle: volume handle
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_volume_handle(struct MPT2SAS_ADAPTER *ioc, u16 pd_handle,
u16 *volume_handle)
{
Mpi2RaidConfigurationPage0_t *config_page = NULL;
Mpi2ConfigRequest_t mpi_request;
Mpi2ConfigReply_t mpi_reply;
int r, i, config_page_sz;
u16 ioc_status;
int config_num;
u16 element_type;
u16 phys_disk_dev_handle;
*volume_handle = 0;
memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t));
mpi_request.Function = MPI2_FUNCTION_CONFIG;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER;
mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_EXTENDED;
mpi_request.ExtPageType = MPI2_CONFIG_EXTPAGETYPE_RAID_CONFIG;
mpi_request.Header.PageVersion = MPI2_RAIDCONFIG0_PAGEVERSION;
mpi_request.Header.PageNumber = 0;
mpt2sas_base_build_zero_len_sge(ioc, &mpi_request.PageBufferSGE);
r = _config_request(ioc, &mpi_request, &mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0);
if (r)
goto out;
mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
config_page_sz = (le16_to_cpu(mpi_reply.ExtPageLength) * 4);
config_page = kmalloc(config_page_sz, GFP_KERNEL);
if (!config_page) {
r = -1;
goto out;
}
config_num = 0xff;
while (1) {
mpi_request.PageAddress = cpu_to_le32(config_num +
MPI2_RAID_PGAD_FORM_GET_NEXT_CONFIGNUM);
r = _config_request(ioc, &mpi_request, &mpi_reply,
MPT2_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page,
config_page_sz);
if (r)
goto out;
r = -1;
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
if (ioc_status != MPI2_IOCSTATUS_SUCCESS)
goto out;
for (i = 0; i < config_page->NumElements; i++) {
element_type = le16_to_cpu(config_page->
ConfigElement[i].ElementFlags) &
MPI2_RAIDCONFIG0_EFLAGS_MASK_ELEMENT_TYPE;
if (element_type ==
MPI2_RAIDCONFIG0_EFLAGS_VOL_PHYS_DISK_ELEMENT ||
element_type ==
MPI2_RAIDCONFIG0_EFLAGS_OCE_ELEMENT) {
phys_disk_dev_handle =
le16_to_cpu(config_page->ConfigElement[i].
PhysDiskDevHandle);
if (phys_disk_dev_handle == pd_handle) {
*volume_handle =
le16_to_cpu(config_page->
ConfigElement[i].VolDevHandle);
r = 0;
goto out;
}
} else if (element_type ==
MPI2_RAIDCONFIG0_EFLAGS_HOT_SPARE_ELEMENT) {
*volume_handle = 0;
r = 0;
goto out;
}
}
config_num = config_page->ConfigNum;
}
out:
kfree(config_page);
return r;
}
/**
* mpt2sas_config_get_volume_wwid - returns wwid given the volume handle
* @ioc: per adapter object
* @volume_handle: volume handle
* @wwid: volume wwid
* Context: sleep.
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_config_get_volume_wwid(struct MPT2SAS_ADAPTER *ioc, u16 volume_handle,
u64 *wwid)
{
Mpi2ConfigReply_t mpi_reply;
Mpi2RaidVolPage1_t raid_vol_pg1;
*wwid = 0;
if (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply,
&raid_vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE,
volume_handle))) {
*wwid = le64_to_cpu(raid_vol_pg1.WWID);
return 0;
} else
return -1;
}
drivers/scsi/mpt2sas/mpt2sas_ctl.c deleted 100644 → 0
View file @ 78f97c8f
/*
* Management Module Support for MPT (Message Passing Technology) based
* controllers
*
* This code is based on drivers/scsi/mpt2sas/mpt2_ctl.c
* Copyright (C) 2007-2014 LSI Corporation
* Copyright (C) 20013-2014 Avago Technologies
* (mailto: MPT-FusionLinux.pdl@avagotech.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* NO WARRANTY
* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
* solely responsible for determining the appropriateness of using and
* distributing the Program and assumes all risks associated with its
* exercise of rights under this Agreement, including but not limited to
* the risks and costs of program errors, damage to or loss of data,
* programs or equipment, and unavailability or interruption of operations.
* DISCLAIMER OF LIABILITY
* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/mutex.h>
#include <linux/compat.h>
#include <linux/poll.h>
#include <linux/io.h>
#include <linux/uaccess.h>
#include "mpt2sas_base.h"
#include "mpt2sas_ctl.h"
static DEFINE_MUTEX(_ctl_mutex);
static struct fasync_struct *async_queue;
static DECLARE_WAIT_QUEUE_HEAD(ctl_poll_wait);
static int _ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type,
u8 *issue_reset);
/**
* enum block_state - blocking state
* @NON_BLOCKING: non blocking
* @BLOCKING: blocking
*
* These states are for ioctls that need to wait for a response
* from firmware, so they probably require sleep.
*/
enum block_state {
NON_BLOCKING,
BLOCKING,
};
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
/**
* _ctl_sas_device_find_by_handle - sas device search
* @ioc: per adapter object
* @handle: sas device handle (assigned by firmware)
* Context: Calling function should acquire ioc->sas_device_lock
*
* This searches for sas_device based on sas_address, then return sas_device
* object.
*/
static struct _sas_device *
_ctl_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle)
{
struct _sas_device *sas_device, *r;
r = NULL;
list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
if (sas_device->handle != handle)
continue;
r = sas_device;
goto out;
}
out:
return r;
}
/**
* _ctl_display_some_debug - debug routine
* @ioc: per adapter object
* @smid: system request message index
* @calling_function_name: string pass from calling function
* @mpi_reply: reply message frame
* Context: none.
*
* Function for displaying debug info helpful when debugging issues
* in this module.
*/
static void
_ctl_display_some_debug(struct MPT2SAS_ADAPTER *ioc, u16 smid,
char *calling_function_name, MPI2DefaultReply_t *mpi_reply)
{
Mpi2ConfigRequest_t *mpi_request;
char *desc = NULL;
if (!(ioc->logging_level & MPT_DEBUG_IOCTL))
return;
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
switch (mpi_request->Function) {
case MPI2_FUNCTION_SCSI_IO_REQUEST:
{
Mpi2SCSIIORequest_t *scsi_request =
(Mpi2SCSIIORequest_t *)mpi_request;
snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
"scsi_io, cmd(0x%02x), cdb_len(%d)",
scsi_request->CDB.CDB32[0],
le16_to_cpu(scsi_request->IoFlags) & 0xF);
desc = ioc->tmp_string;
break;
}
case MPI2_FUNCTION_SCSI_TASK_MGMT:
desc = "task_mgmt";
break;
case MPI2_FUNCTION_IOC_INIT:
desc = "ioc_init";
break;
case MPI2_FUNCTION_IOC_FACTS:
desc = "ioc_facts";
break;
case MPI2_FUNCTION_CONFIG:
{
Mpi2ConfigRequest_t *config_request =
(Mpi2ConfigRequest_t *)mpi_request;
snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
"config, type(0x%02x), ext_type(0x%02x), number(%d)",
(config_request->Header.PageType &
MPI2_CONFIG_PAGETYPE_MASK), config_request->ExtPageType,
config_request->Header.PageNumber);
desc = ioc->tmp_string;
break;
}
case MPI2_FUNCTION_PORT_FACTS:
desc = "port_facts";
break;
case MPI2_FUNCTION_PORT_ENABLE:
desc = "port_enable";
break;
case MPI2_FUNCTION_EVENT_NOTIFICATION:
desc = "event_notification";
break;
case MPI2_FUNCTION_FW_DOWNLOAD:
desc = "fw_download";
break;
case MPI2_FUNCTION_FW_UPLOAD:
desc = "fw_upload";
break;
case MPI2_FUNCTION_RAID_ACTION:
desc = "raid_action";
break;
case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
{
Mpi2SCSIIORequest_t *scsi_request =
(Mpi2SCSIIORequest_t *)mpi_request;
snprintf(ioc->tmp_string, MPT_STRING_LENGTH,
"raid_pass, cmd(0x%02x), cdb_len(%d)",
scsi_request->CDB.CDB32[0],
le16_to_cpu(scsi_request->IoFlags) & 0xF);
desc = ioc->tmp_string;
break;
}
case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
desc = "sas_iounit_cntl";
break;
case MPI2_FUNCTION_SATA_PASSTHROUGH:
desc = "sata_pass";
break;
case MPI2_FUNCTION_DIAG_BUFFER_POST:
desc = "diag_buffer_post";
break;
case MPI2_FUNCTION_DIAG_RELEASE:
desc = "diag_release";
break;
case MPI2_FUNCTION_SMP_PASSTHROUGH:
desc = "smp_passthrough";
break;
}
if (!desc)
return;
printk(MPT2SAS_INFO_FMT "%s: %s, smid(%d)\n",
ioc->name, calling_function_name, desc, smid);
if (!mpi_reply)
return;
if (mpi_reply->IOCStatus || mpi_reply->IOCLogInfo)
printk(MPT2SAS_INFO_FMT
"\tiocstatus(0x%04x), loginfo(0x%08x)\n",
ioc->name, le16_to_cpu(mpi_reply->IOCStatus),
le32_to_cpu(mpi_reply->IOCLogInfo));
if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
mpi_request->Function ==
MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
Mpi2SCSIIOReply_t *scsi_reply =
(Mpi2SCSIIOReply_t *)mpi_reply;
struct _sas_device *sas_device = NULL;
unsigned long flags;
spin_lock_irqsave(&ioc->sas_device_lock, flags);
sas_device = _ctl_sas_device_find_by_handle(ioc,
le16_to_cpu(scsi_reply->DevHandle));
if (sas_device) {
printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), "
"phy(%d)\n", ioc->name, (unsigned long long)
sas_device->sas_address, sas_device->phy);
printk(MPT2SAS_WARN_FMT
"\tenclosure_logical_id(0x%016llx), slot(%d)\n",
ioc->name, sas_device->enclosure_logical_id,
sas_device->slot);
}
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
if (scsi_reply->SCSIState || scsi_reply->SCSIStatus)
printk(MPT2SAS_INFO_FMT
"\tscsi_state(0x%02x), scsi_status"
"(0x%02x)\n", ioc->name,
scsi_reply->SCSIState,
scsi_reply->SCSIStatus);
}
}
#endif
/**
* mpt2sas_ctl_done - ctl module completion routine
* @ioc: per adapter object
* @smid: system request message index
* @msix_index: MSIX table index supplied by the OS
* @reply: reply message frame(lower 32bit addr)
* Context: none.
*
* The callback handler when using ioc->ctl_cb_idx.
*
* Return 1 meaning mf should be freed from _base_interrupt
* 0 means the mf is freed from this function.
*/
u8
mpt2sas_ctl_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
u32 reply)
{
MPI2DefaultReply_t *mpi_reply;
Mpi2SCSIIOReply_t *scsiio_reply;
const void *sense_data;
u32 sz;
if (ioc->ctl_cmds.status == MPT2_CMD_NOT_USED)
return 1;
if (ioc->ctl_cmds.smid != smid)
return 1;
ioc->ctl_cmds.status |= MPT2_CMD_COMPLETE;
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
if (mpi_reply) {
memcpy(ioc->ctl_cmds.reply, mpi_reply, mpi_reply->MsgLength*4);
ioc->ctl_cmds.status |= MPT2_CMD_REPLY_VALID;
/* get sense data */
if (mpi_reply->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
mpi_reply->Function ==
MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
scsiio_reply = (Mpi2SCSIIOReply_t *)mpi_reply;
if (scsiio_reply->SCSIState &
MPI2_SCSI_STATE_AUTOSENSE_VALID) {
sz = min_t(u32, SCSI_SENSE_BUFFERSIZE,
le32_to_cpu(scsiio_reply->SenseCount));
sense_data = mpt2sas_base_get_sense_buffer(ioc,
smid);
memcpy(ioc->ctl_cmds.sense, sense_data, sz);
}
}
}
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
_ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply);
#endif
ioc->ctl_cmds.status &= ~MPT2_CMD_PENDING;
complete(&ioc->ctl_cmds.done);
return 1;
}
/**
* _ctl_check_event_type - determines when an event needs logging
* @ioc: per adapter object
* @event: firmware event
*
* The bitmask in ioc->event_type[] indicates which events should be
* be saved in the driver event_log. This bitmask is set by application.
*
* Returns 1 when event should be captured, or zero means no match.
*/
static int
_ctl_check_event_type(struct MPT2SAS_ADAPTER *ioc, u16 event)
{
u16 i;
u32 desired_event;
if (event >= 128 || !event || !ioc->event_log)
return 0;
desired_event = (1 << (event % 32));
if (!desired_event)
desired_event = 1;
i = event / 32;
return desired_event & ioc->event_type[i];
}
/**
* mpt2sas_ctl_add_to_event_log - add event
* @ioc: per adapter object
* @mpi_reply: reply message frame
*
* Return nothing.
*/
void
mpt2sas_ctl_add_to_event_log(struct MPT2SAS_ADAPTER *ioc,
Mpi2EventNotificationReply_t *mpi_reply)
{
struct MPT2_IOCTL_EVENTS *event_log;
u16 event;
int i;
u32 sz, event_data_sz;
u8 send_aen = 0;
if (!ioc->event_log)
return;
event = le16_to_cpu(mpi_reply->Event);
if (_ctl_check_event_type(ioc, event)) {
/* insert entry into circular event_log */
i = ioc->event_context % MPT2SAS_CTL_EVENT_LOG_SIZE;
event_log = ioc->event_log;
event_log[i].event = event;
event_log[i].context = ioc->event_context++;
event_data_sz = le16_to_cpu(mpi_reply->EventDataLength)*4;
sz = min_t(u32, event_data_sz, MPT2_EVENT_DATA_SIZE);
memset(event_log[i].data, 0, MPT2_EVENT_DATA_SIZE);
memcpy(event_log[i].data, mpi_reply->EventData, sz);
send_aen = 1;
}
/* This aen_event_read_flag flag is set until the
* application has read the event log.
* For MPI2_EVENT_LOG_ENTRY_ADDED, we always notify.
*/
if (event == MPI2_EVENT_LOG_ENTRY_ADDED ||
(send_aen && !ioc->aen_event_read_flag)) {
ioc->aen_event_read_flag = 1;
wake_up_interruptible(&ctl_poll_wait);
if (async_queue)
kill_fasync(&async_queue, SIGIO, POLL_IN);
}
}
/**
* mpt2sas_ctl_event_callback - firmware event handler (called at ISR time)
* @ioc: per adapter object
* @msix_index: MSIX table index supplied by the OS
* @reply: reply message frame(lower 32bit addr)
* Context: interrupt.
*
* This function merely adds a new work task into ioc->firmware_event_thread.
* The tasks are worked from _firmware_event_work in user context.
*
* Returns void.
*/
void
mpt2sas_ctl_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index,
u32 reply)
{
Mpi2EventNotificationReply_t *mpi_reply;
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
if (unlikely(!mpi_reply)) {
printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return;
}
mpt2sas_ctl_add_to_event_log(ioc, mpi_reply);
return;
}
/**
* _ctl_verify_adapter - validates ioc_number passed from application
* @ioc: per adapter object
* @iocpp: The ioc pointer is returned in this.
*
* Return (-1) means error, else ioc_number.
*/
static int
_ctl_verify_adapter(int ioc_number, struct MPT2SAS_ADAPTER **iocpp)
{
struct MPT2SAS_ADAPTER *ioc;
/* global ioc lock to protect controller on list operations */
spin_lock(&gioc_lock);
list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
if (ioc->id != ioc_number)
continue;
spin_unlock(&gioc_lock);
*iocpp = ioc;
return ioc_number;
}
spin_unlock(&gioc_lock);
*iocpp = NULL;
return -1;
}
/**
* mpt2sas_ctl_reset_handler - reset callback handler (for ctl)
* @ioc: per adapter object
* @reset_phase: phase
*
* The handler for doing any required cleanup or initialization.
*
* The reset phase can be MPT2_IOC_PRE_RESET, MPT2_IOC_AFTER_RESET,
* MPT2_IOC_DONE_RESET
*/
void
mpt2sas_ctl_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase)
{
int i;
u8 issue_reset;
switch (reset_phase) {
case MPT2_IOC_PRE_RESET:
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
"MPT2_IOC_PRE_RESET\n", ioc->name, __func__));
for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
if (!(ioc->diag_buffer_status[i] &
MPT2_DIAG_BUFFER_IS_REGISTERED))
continue;
if ((ioc->diag_buffer_status[i] &
MPT2_DIAG_BUFFER_IS_RELEASED))
continue;
_ctl_send_release(ioc, i, &issue_reset);
}
break;
case MPT2_IOC_AFTER_RESET:
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
"MPT2_IOC_AFTER_RESET\n", ioc->name, __func__));
if (ioc->ctl_cmds.status & MPT2_CMD_PENDING) {
ioc->ctl_cmds.status |= MPT2_CMD_RESET;
mpt2sas_base_free_smid(ioc, ioc->ctl_cmds.smid);
complete(&ioc->ctl_cmds.done);
}
break;
case MPT2_IOC_DONE_RESET:
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
"MPT2_IOC_DONE_RESET\n", ioc->name, __func__));
for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
if (!(ioc->diag_buffer_status[i] &
MPT2_DIAG_BUFFER_IS_REGISTERED))
continue;
if ((ioc->diag_buffer_status[i] &
MPT2_DIAG_BUFFER_IS_RELEASED))
continue;
ioc->diag_buffer_status[i] |=
MPT2_DIAG_BUFFER_IS_DIAG_RESET;
}
break;
}
}
/**
* _ctl_fasync -
* @fd -
* @filep -
* @mode -
*
* Called when application request fasyn callback handler.
*/
static int
_ctl_fasync(int fd, struct file *filep, int mode)
{
return fasync_helper(fd, filep, mode, &async_queue);
}
/**
* _ctl_poll -
* @file -
* @wait -
*
*/
static unsigned int
_ctl_poll(struct file *filep, poll_table *wait)
{
struct MPT2SAS_ADAPTER *ioc;
poll_wait(filep, &ctl_poll_wait, wait);
/* global ioc lock to protect controller on list operations */
spin_lock(&gioc_lock);
list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
if (ioc->aen_event_read_flag) {
spin_unlock(&gioc_lock);
return POLLIN | POLLRDNORM;
}
}
spin_unlock(&gioc_lock);
return 0;
}
/**
* _ctl_set_task_mid - assign an active smid to tm request
* @ioc: per adapter object
* @karg - (struct mpt2_ioctl_command)
* @tm_request - pointer to mf from user space
*
* Returns 0 when an smid if found, else fail.
* during failure, the reply frame is filled.
*/
static int
_ctl_set_task_mid(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command *karg,
Mpi2SCSITaskManagementRequest_t *tm_request)
{
u8 found = 0;
u16 i;
u16 handle;
struct scsi_cmnd *scmd;
struct MPT2SAS_DEVICE *priv_data;
unsigned long flags;
Mpi2SCSITaskManagementReply_t *tm_reply;
u32 sz;
u32 lun;
char *desc = NULL;
if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK)
desc = "abort_task";
else if (tm_request->TaskType == MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK)
desc = "query_task";
else
return 0;
lun = scsilun_to_int((struct scsi_lun *)tm_request->LUN);
handle = le16_to_cpu(tm_request->DevHandle);
spin_lock_irqsave(&ioc->scsi_lookup_lock, flags);
for (i = ioc->scsiio_depth; i && !found; i--) {
scmd = ioc->scsi_lookup[i - 1].scmd;
if (scmd == NULL || scmd->device == NULL ||
scmd->device->hostdata == NULL)
continue;
if (lun != scmd->device->lun)
continue;
priv_data = scmd->device->hostdata;
if (priv_data->sas_target == NULL)
continue;
if (priv_data->sas_target->handle != handle)
continue;
tm_request->TaskMID = cpu_to_le16(ioc->scsi_lookup[i - 1].smid);
found = 1;
}
spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags);
if (!found) {
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
"handle(0x%04x), lun(%d), no active mid!!\n", ioc->name,
desc, le16_to_cpu(tm_request->DevHandle), lun));
tm_reply = ioc->ctl_cmds.reply;
tm_reply->DevHandle = tm_request->DevHandle;
tm_reply->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
tm_reply->TaskType = tm_request->TaskType;
tm_reply->MsgLength = sizeof(Mpi2SCSITaskManagementReply_t)/4;
tm_reply->VP_ID = tm_request->VP_ID;
tm_reply->VF_ID = tm_request->VF_ID;
sz = min_t(u32, karg->max_reply_bytes, ioc->reply_sz);
if (copy_to_user(karg->reply_frame_buf_ptr, ioc->ctl_cmds.reply,
sz))
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
return 1;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
"handle(0x%04x), lun(%d), task_mid(%d)\n", ioc->name,
desc, le16_to_cpu(tm_request->DevHandle), lun,
le16_to_cpu(tm_request->TaskMID)));
return 0;
}
/**
* _ctl_do_mpt_command - main handler for MPT2COMMAND opcode
* @ioc: per adapter object
* @karg - (struct mpt2_ioctl_command)
* @mf - pointer to mf in user space
*/
static long
_ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, struct mpt2_ioctl_command karg,
void __user *mf)
{
MPI2RequestHeader_t *mpi_request = NULL, *request;
MPI2DefaultReply_t *mpi_reply;
u32 ioc_state;
u16 ioc_status;
u16 smid;
unsigned long timeout, timeleft;
u8 issue_reset;
u32 sz;
void *psge;
void *data_out = NULL;
dma_addr_t data_out_dma;
size_t data_out_sz = 0;
void *data_in = NULL;
dma_addr_t data_in_dma;
size_t data_in_sz = 0;
u32 sgl_flags;
long ret;
u16 wait_state_count;
issue_reset = 0;
if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
ioc->name, __func__);
ret = -EAGAIN;
goto out;
}
wait_state_count = 0;
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
if (wait_state_count++ == 10) {
printk(MPT2SAS_ERR_FMT
"%s: failed due to ioc not operational\n",
ioc->name, __func__);
ret = -EFAULT;
goto out;
}
ssleep(1);
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
printk(MPT2SAS_INFO_FMT "%s: waiting for "
"operational state(count=%d)\n", ioc->name,
__func__, wait_state_count);
}
if (wait_state_count)
printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
ioc->name, __func__);
mpi_request = kzalloc(ioc->request_sz, GFP_KERNEL);
if (!mpi_request) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a memory for "
"mpi_request\n", ioc->name, __func__);
ret = -ENOMEM;
goto out;
}
/* Check for overflow and wraparound */
if (karg.data_sge_offset * 4 > ioc->request_sz ||
karg.data_sge_offset > (UINT_MAX / 4)) {
ret = -EINVAL;
goto out;
}
/* copy in request message frame from user */
if (copy_from_user(mpi_request, mf, karg.data_sge_offset*4)) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__, __LINE__,
__func__);
ret = -EFAULT;
goto out;
}
if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
smid = mpt2sas_base_get_smid_hpr(ioc, ioc->ctl_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
ret = -EAGAIN;
goto out;
}
} else {
smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->ctl_cb_idx, NULL);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
ret = -EAGAIN;
goto out;
}
}
ret = 0;
ioc->ctl_cmds.status = MPT2_CMD_PENDING;
memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
request = mpt2sas_base_get_msg_frame(ioc, smid);
memcpy(request, mpi_request, karg.data_sge_offset*4);
ioc->ctl_cmds.smid = smid;
data_out_sz = karg.data_out_size;
data_in_sz = karg.data_in_size;
if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
mpi_request->Function == MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH) {
if (!le16_to_cpu(mpi_request->FunctionDependent1) ||
le16_to_cpu(mpi_request->FunctionDependent1) >
ioc->facts.MaxDevHandle) {
ret = -EINVAL;
mpt2sas_base_free_smid(ioc, smid);
goto out;
}
}
/* obtain dma-able memory for data transfer */
if (data_out_sz) /* WRITE */ {
data_out = pci_alloc_consistent(ioc->pdev, data_out_sz,
&data_out_dma);
if (!data_out) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
ret = -ENOMEM;
mpt2sas_base_free_smid(ioc, smid);
goto out;
}
if (copy_from_user(data_out, karg.data_out_buf_ptr,
data_out_sz)) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
ret = -EFAULT;
mpt2sas_base_free_smid(ioc, smid);
goto out;
}
}
if (data_in_sz) /* READ */ {
data_in = pci_alloc_consistent(ioc->pdev, data_in_sz,
&data_in_dma);
if (!data_in) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
ret = -ENOMEM;
mpt2sas_base_free_smid(ioc, smid);
goto out;
}
}
/* add scatter gather elements */
psge = (void *)request + (karg.data_sge_offset*4);
if (!data_out_sz && !data_in_sz) {
mpt2sas_base_build_zero_len_sge(ioc, psge);
} else if (data_out_sz && data_in_sz) {
/* WRITE sgel first */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
data_out_sz, data_out_dma);
/* incr sgel */
psge += ioc->sge_size;
/* READ sgel last */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
MPI2_SGE_FLAGS_END_OF_LIST);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
data_in_sz, data_in_dma);
} else if (data_out_sz) /* WRITE */ {
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
MPI2_SGE_FLAGS_END_OF_LIST | MPI2_SGE_FLAGS_HOST_TO_IOC);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
data_out_sz, data_out_dma);
} else if (data_in_sz) /* READ */ {
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
MPI2_SGE_FLAGS_END_OF_LIST);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
data_in_sz, data_in_dma);
}
/* send command to firmware */
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
_ctl_display_some_debug(ioc, smid, "ctl_request", NULL);
#endif
init_completion(&ioc->ctl_cmds.done);
switch (mpi_request->Function) {
case MPI2_FUNCTION_SCSI_IO_REQUEST:
case MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH:
{
Mpi2SCSIIORequest_t *scsiio_request =
(Mpi2SCSIIORequest_t *)request;
scsiio_request->SenseBufferLength = SCSI_SENSE_BUFFERSIZE;
scsiio_request->SenseBufferLowAddress =
mpt2sas_base_get_sense_buffer_dma(ioc, smid);
memset(ioc->ctl_cmds.sense, 0, SCSI_SENSE_BUFFERSIZE);
if (mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)
mpt2sas_base_put_smid_scsi_io(ioc, smid,
le16_to_cpu(mpi_request->FunctionDependent1));
else
mpt2sas_base_put_smid_default(ioc, smid);
break;
}
case MPI2_FUNCTION_SCSI_TASK_MGMT:
{
Mpi2SCSITaskManagementRequest_t *tm_request =
(Mpi2SCSITaskManagementRequest_t *)request;
dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "TASK_MGMT: "
"handle(0x%04x), task_type(0x%02x)\n", ioc->name,
le16_to_cpu(tm_request->DevHandle), tm_request->TaskType));
if (tm_request->TaskType ==
MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK ||
tm_request->TaskType ==
MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK) {
if (_ctl_set_task_mid(ioc, &karg, tm_request)) {
mpt2sas_base_free_smid(ioc, smid);
goto out;
}
}
mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu(
tm_request->DevHandle));
mpt2sas_base_put_smid_hi_priority(ioc, smid);
break;
}
case MPI2_FUNCTION_SMP_PASSTHROUGH:
{
Mpi2SmpPassthroughRequest_t *smp_request =
(Mpi2SmpPassthroughRequest_t *)mpi_request;
u8 *data;
/* ioc determines which port to use */
smp_request->PhysicalPort = 0xFF;
if (smp_request->PassthroughFlags &
MPI2_SMP_PT_REQ_PT_FLAGS_IMMEDIATE)
data = (u8 *)&smp_request->SGL;
else {
if (unlikely(data_out == NULL)) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
mpt2sas_base_free_smid(ioc, smid);
ret = -EINVAL;
goto out;
}
data = data_out;
}
if (data[1] == 0x91 && (data[10] == 1 || data[10] == 2)) {
ioc->ioc_link_reset_in_progress = 1;
ioc->ignore_loginfos = 1;
}
mpt2sas_base_put_smid_default(ioc, smid);
break;
}
case MPI2_FUNCTION_SAS_IO_UNIT_CONTROL:
{
Mpi2SasIoUnitControlRequest_t *sasiounit_request =
(Mpi2SasIoUnitControlRequest_t *)mpi_request;
if (sasiounit_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET
|| sasiounit_request->Operation ==
MPI2_SAS_OP_PHY_LINK_RESET) {
ioc->ioc_link_reset_in_progress = 1;
ioc->ignore_loginfos = 1;
}
mpt2sas_base_put_smid_default(ioc, smid);
break;
}
default:
mpt2sas_base_put_smid_default(ioc, smid);
break;
}
if (karg.timeout < MPT2_IOCTL_DEFAULT_TIMEOUT)
timeout = MPT2_IOCTL_DEFAULT_TIMEOUT;
else
timeout = karg.timeout;
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
timeout*HZ);
if (mpi_request->Function == MPI2_FUNCTION_SCSI_TASK_MGMT) {
Mpi2SCSITaskManagementRequest_t *tm_request =
(Mpi2SCSITaskManagementRequest_t *)mpi_request;
mpt2sas_scsih_clear_tm_flag(ioc, le16_to_cpu(
tm_request->DevHandle));
} else if ((mpi_request->Function == MPI2_FUNCTION_SMP_PASSTHROUGH ||
mpi_request->Function == MPI2_FUNCTION_SAS_IO_UNIT_CONTROL) &&
ioc->ioc_link_reset_in_progress) {
ioc->ioc_link_reset_in_progress = 0;
ioc->ignore_loginfos = 0;
}
if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
__func__);
_debug_dump_mf(mpi_request, karg.data_sge_offset);
if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
issue_reset = 1;
goto issue_host_reset;
}
mpi_reply = ioc->ctl_cmds.reply;
ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT &&
(ioc->logging_level & MPT_DEBUG_TM)) {
Mpi2SCSITaskManagementReply_t *tm_reply =
(Mpi2SCSITaskManagementReply_t *)mpi_reply;
printk(MPT2SAS_INFO_FMT "TASK_MGMT: "
"IOCStatus(0x%04x), IOCLogInfo(0x%08x), "
"TerminationCount(0x%08x)\n", ioc->name,
le16_to_cpu(tm_reply->IOCStatus),
le32_to_cpu(tm_reply->IOCLogInfo),
le32_to_cpu(tm_reply->TerminationCount));
}
#endif
/* copy out xdata to user */
if (data_in_sz) {
if (copy_to_user(karg.data_in_buf_ptr, data_in,
data_in_sz)) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
ret = -ENODATA;
goto out;
}
}
/* copy out reply message frame to user */
if (karg.max_reply_bytes) {
sz = min_t(u32, karg.max_reply_bytes, ioc->reply_sz);
if (copy_to_user(karg.reply_frame_buf_ptr, ioc->ctl_cmds.reply,
sz)) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
ret = -ENODATA;
goto out;
}
}
/* copy out sense to user */
if (karg.max_sense_bytes && (mpi_request->Function ==
MPI2_FUNCTION_SCSI_IO_REQUEST || mpi_request->Function ==
MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH)) {
sz = min_t(u32, karg.max_sense_bytes, SCSI_SENSE_BUFFERSIZE);
if (copy_to_user(karg.sense_data_ptr,
ioc->ctl_cmds.sense, sz)) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
ret = -ENODATA;
goto out;
}
}
issue_host_reset:
if (issue_reset) {
ret = -ENODATA;
if ((mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST ||
mpi_request->Function ==
MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH ||
mpi_request->Function == MPI2_FUNCTION_SATA_PASSTHROUGH)) {
printk(MPT2SAS_INFO_FMT "issue target reset: handle "
"= (0x%04x)\n", ioc->name,
le16_to_cpu(mpi_request->FunctionDependent1));
mpt2sas_halt_firmware(ioc);
mpt2sas_scsih_issue_tm(ioc,
le16_to_cpu(mpi_request->FunctionDependent1), 0, 0,
0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10,
TM_MUTEX_ON);
ioc->tm_cmds.status = MPT2_CMD_NOT_USED;
} else
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
}
out:
/* free memory associated with sg buffers */
if (data_in)
pci_free_consistent(ioc->pdev, data_in_sz, data_in,
data_in_dma);
if (data_out)
pci_free_consistent(ioc->pdev, data_out_sz, data_out,
data_out_dma);
kfree(mpi_request);
ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
return ret;
}
/**
* _ctl_getiocinfo - main handler for MPT2IOCINFO opcode
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*/
static long
_ctl_getiocinfo(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_ioctl_iocinfo karg;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
__func__));
memset(&karg, 0 , sizeof(karg));
if (ioc->is_warpdrive)
karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200;
else
karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2;
if (ioc->pfacts)
karg.port_number = ioc->pfacts[0].PortNumber;
karg.hw_rev = ioc->pdev->revision;
karg.pci_id = ioc->pdev->device;
karg.subsystem_device = ioc->pdev->subsystem_device;
karg.subsystem_vendor = ioc->pdev->subsystem_vendor;
karg.pci_information.u.bits.bus = ioc->pdev->bus->number;
karg.pci_information.u.bits.device = PCI_SLOT(ioc->pdev->devfn);
karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn);
karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus);
karg.firmware_version = ioc->facts.FWVersion.Word;
strcpy(karg.driver_version, MPT2SAS_DRIVER_NAME);
strcat(karg.driver_version, "-");
strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION);
karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
if (copy_to_user(arg, &karg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
return 0;
}
/**
* _ctl_eventquery - main handler for MPT2EVENTQUERY opcode
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*/
static long
_ctl_eventquery(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_ioctl_eventquery karg;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
__func__));
karg.event_entries = MPT2SAS_CTL_EVENT_LOG_SIZE;
memcpy(karg.event_types, ioc->event_type,
MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
if (copy_to_user(arg, &karg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
return 0;
}
/**
* _ctl_eventenable - main handler for MPT2EVENTENABLE opcode
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*/
static long
_ctl_eventenable(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_ioctl_eventenable karg;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
__func__));
if (ioc->event_log)
return 0;
memcpy(ioc->event_type, karg.event_types,
MPI2_EVENT_NOTIFY_EVENTMASK_WORDS * sizeof(u32));
mpt2sas_base_validate_event_type(ioc, ioc->event_type);
/* initialize event_log */
ioc->event_context = 0;
ioc->aen_event_read_flag = 0;
ioc->event_log = kcalloc(MPT2SAS_CTL_EVENT_LOG_SIZE,
sizeof(struct MPT2_IOCTL_EVENTS), GFP_KERNEL);
if (!ioc->event_log) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -ENOMEM;
}
return 0;
}
/**
* _ctl_eventreport - main handler for MPT2EVENTREPORT opcode
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*/
static long
_ctl_eventreport(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_ioctl_eventreport karg;
u32 number_bytes, max_events, max;
struct mpt2_ioctl_eventreport __user *uarg = arg;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
__func__));
number_bytes = karg.hdr.max_data_size -
sizeof(struct mpt2_ioctl_header);
max_events = number_bytes/sizeof(struct MPT2_IOCTL_EVENTS);
max = min_t(u32, MPT2SAS_CTL_EVENT_LOG_SIZE, max_events);
/* If fewer than 1 event is requested, there must have
* been some type of error.
*/
if (!max || !ioc->event_log)
return -ENODATA;
number_bytes = max * sizeof(struct MPT2_IOCTL_EVENTS);
if (copy_to_user(uarg->event_data, ioc->event_log, number_bytes)) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
/* reset flag so SIGIO can restart */
ioc->aen_event_read_flag = 0;
return 0;
}
/**
* _ctl_do_reset - main handler for MPT2HARDRESET opcode
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*/
static long
_ctl_do_reset(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_ioctl_diag_reset karg;
int retval;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
if (ioc->shost_recovery || ioc->pci_error_recovery ||
ioc->is_driver_loading)
return -EAGAIN;
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name,
__func__));
retval = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
printk(MPT2SAS_INFO_FMT "host reset: %s\n",
ioc->name, ((!retval) ? "SUCCESS" : "FAILED"));
return 0;
}
/**
* _ctl_btdh_search_sas_device - searching for sas device
* @ioc: per adapter object
* @btdh: btdh ioctl payload
*/
static int
_ctl_btdh_search_sas_device(struct MPT2SAS_ADAPTER *ioc,
struct mpt2_ioctl_btdh_mapping *btdh)
{
struct _sas_device *sas_device;
unsigned long flags;
int rc = 0;
if (list_empty(&ioc->sas_device_list))
return rc;
spin_lock_irqsave(&ioc->sas_device_lock, flags);
list_for_each_entry(sas_device, &ioc->sas_device_list, list) {
if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
btdh->handle == sas_device->handle) {
btdh->bus = sas_device->channel;
btdh->id = sas_device->id;
rc = 1;
goto out;
} else if (btdh->bus == sas_device->channel && btdh->id ==
sas_device->id && btdh->handle == 0xFFFF) {
btdh->handle = sas_device->handle;
rc = 1;
goto out;
}
}
out:
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
return rc;
}
/**
* _ctl_btdh_search_raid_device - searching for raid device
* @ioc: per adapter object
* @btdh: btdh ioctl payload
*/
static int
_ctl_btdh_search_raid_device(struct MPT2SAS_ADAPTER *ioc,
struct mpt2_ioctl_btdh_mapping *btdh)
{
struct _raid_device *raid_device;
unsigned long flags;
int rc = 0;
if (list_empty(&ioc->raid_device_list))
return rc;
spin_lock_irqsave(&ioc->raid_device_lock, flags);
list_for_each_entry(raid_device, &ioc->raid_device_list, list) {
if (btdh->bus == 0xFFFFFFFF && btdh->id == 0xFFFFFFFF &&
btdh->handle == raid_device->handle) {
btdh->bus = raid_device->channel;
btdh->id = raid_device->id;
rc = 1;
goto out;
} else if (btdh->bus == raid_device->channel && btdh->id ==
raid_device->id && btdh->handle == 0xFFFF) {
btdh->handle = raid_device->handle;
rc = 1;
goto out;
}
}
out:
spin_unlock_irqrestore(&ioc->raid_device_lock, flags);
return rc;
}
/**
* _ctl_btdh_mapping - main handler for MPT2BTDHMAPPING opcode
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*/
static long
_ctl_btdh_mapping(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_ioctl_btdh_mapping karg;
int rc;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
rc = _ctl_btdh_search_sas_device(ioc, &karg);
if (!rc)
_ctl_btdh_search_raid_device(ioc, &karg);
if (copy_to_user(arg, &karg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
return 0;
}
/**
* _ctl_diag_capability - return diag buffer capability
* @ioc: per adapter object
* @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED
*
* returns 1 when diag buffer support is enabled in firmware
*/
static u8
_ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type)
{
u8 rc = 0;
switch (buffer_type) {
case MPI2_DIAG_BUF_TYPE_TRACE:
if (ioc->facts.IOCCapabilities &
MPI2_IOCFACTS_CAPABILITY_DIAG_TRACE_BUFFER)
rc = 1;
break;
case MPI2_DIAG_BUF_TYPE_SNAPSHOT:
if (ioc->facts.IOCCapabilities &
MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER)
rc = 1;
break;
case MPI2_DIAG_BUF_TYPE_EXTENDED:
if (ioc->facts.IOCCapabilities &
MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER)
rc = 1;
}
return rc;
}
/**
* _ctl_diag_register_2 - wrapper for registering diag buffer support
* @ioc: per adapter object
* @diag_register: the diag_register struct passed in from user space
*
*/
static long
_ctl_diag_register_2(struct MPT2SAS_ADAPTER *ioc,
struct mpt2_diag_register *diag_register)
{
int rc, i;
void *request_data = NULL;
dma_addr_t request_data_dma;
u32 request_data_sz = 0;
Mpi2DiagBufferPostRequest_t *mpi_request;
Mpi2DiagBufferPostReply_t *mpi_reply;
u8 buffer_type;
unsigned long timeleft;
u16 smid;
u16 ioc_status;
u8 issue_reset = 0;
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
buffer_type = diag_register->buffer_type;
if (!_ctl_diag_capability(ioc, buffer_type)) {
printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
return -EPERM;
}
if (ioc->diag_buffer_status[buffer_type] &
MPT2_DIAG_BUFFER_IS_REGISTERED) {
printk(MPT2SAS_ERR_FMT "%s: already has a registered "
"buffer for buffer_type(0x%02x)\n", ioc->name, __func__,
buffer_type);
return -EINVAL;
}
if (diag_register->requested_buffer_size % 4) {
printk(MPT2SAS_ERR_FMT "%s: the requested_buffer_size "
"is not 4 byte aligned\n", ioc->name, __func__);
return -EINVAL;
}
smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
rc = 0;
ioc->ctl_cmds.status = MPT2_CMD_PENDING;
memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
ioc->ctl_cmds.smid = smid;
request_data = ioc->diag_buffer[buffer_type];
request_data_sz = diag_register->requested_buffer_size;
ioc->unique_id[buffer_type] = diag_register->unique_id;
ioc->diag_buffer_status[buffer_type] = 0;
memcpy(ioc->product_specific[buffer_type],
diag_register->product_specific, MPT2_PRODUCT_SPECIFIC_DWORDS);
ioc->diagnostic_flags[buffer_type] = diag_register->diagnostic_flags;
if (request_data) {
request_data_dma = ioc->diag_buffer_dma[buffer_type];
if (request_data_sz != ioc->diag_buffer_sz[buffer_type]) {
pci_free_consistent(ioc->pdev,
ioc->diag_buffer_sz[buffer_type],
request_data, request_data_dma);
request_data = NULL;
}
}
if (request_data == NULL) {
ioc->diag_buffer_sz[buffer_type] = 0;
ioc->diag_buffer_dma[buffer_type] = 0;
request_data = pci_alloc_consistent(
ioc->pdev, request_data_sz, &request_data_dma);
if (request_data == NULL) {
printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"
" for diag buffers, requested size(%d)\n",
ioc->name, __func__, request_data_sz);
mpt2sas_base_free_smid(ioc, smid);
return -ENOMEM;
}
ioc->diag_buffer[buffer_type] = request_data;
ioc->diag_buffer_sz[buffer_type] = request_data_sz;
ioc->diag_buffer_dma[buffer_type] = request_data_dma;
}
mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
mpi_request->BufferType = diag_register->buffer_type;
mpi_request->Flags = cpu_to_le32(diag_register->diagnostic_flags);
mpi_request->BufferAddress = cpu_to_le64(request_data_dma);
mpi_request->BufferLength = cpu_to_le32(request_data_sz);
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(0x%p), "
"dma(0x%llx), sz(%d)\n", ioc->name, __func__, request_data,
(unsigned long long)request_data_dma,
le32_to_cpu(mpi_request->BufferLength)));
for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
mpi_request->ProductSpecific[i] =
cpu_to_le32(ioc->product_specific[buffer_type][i]);
init_completion(&ioc->ctl_cmds.done);
mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
__func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi2DiagBufferPostRequest_t)/4);
if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
issue_reset = 1;
goto issue_host_reset;
}
/* process the completed Reply Message Frame */
if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
ioc->name, __func__);
rc = -EFAULT;
goto out;
}
mpi_reply = ioc->ctl_cmds.reply;
ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
ioc->diag_buffer_status[buffer_type] |=
MPT2_DIAG_BUFFER_IS_REGISTERED;
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
ioc->name, __func__));
} else {
printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
"log_info(0x%08x)\n", ioc->name, __func__,
ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
rc = -EFAULT;
}
issue_host_reset:
if (issue_reset)
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
out:
if (rc && request_data)
pci_free_consistent(ioc->pdev, request_data_sz,
request_data, request_data_dma);
ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
return rc;
}
/**
* mpt2sas_enable_diag_buffer - enabling diag_buffers support driver load time
* @ioc: per adapter object
* @bits_to_register: bitwise field where trace is bit 0, and snapshot is bit 1
*
* This is called when command line option diag_buffer_enable is enabled
* at driver load time.
*/
void
mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register)
{
struct mpt2_diag_register diag_register;
memset(&diag_register, 0, sizeof(struct mpt2_diag_register));
if (bits_to_register & 1) {
printk(MPT2SAS_INFO_FMT "registering trace buffer support\n",
ioc->name);
diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
/* register for 1MB buffers */
diag_register.requested_buffer_size = (1024 * 1024);
diag_register.unique_id = 0x7075900;
_ctl_diag_register_2(ioc, &diag_register);
}
if (bits_to_register & 2) {
printk(MPT2SAS_INFO_FMT "registering snapshot buffer support\n",
ioc->name);
diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_SNAPSHOT;
/* register for 2MB buffers */
diag_register.requested_buffer_size = 2 * (1024 * 1024);
diag_register.unique_id = 0x7075901;
_ctl_diag_register_2(ioc, &diag_register);
}
if (bits_to_register & 4) {
printk(MPT2SAS_INFO_FMT "registering extended buffer support\n",
ioc->name);
diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED;
/* register for 2MB buffers */
diag_register.requested_buffer_size = 2 * (1024 * 1024);
diag_register.unique_id = 0x7075901;
_ctl_diag_register_2(ioc, &diag_register);
}
}
/**
* _ctl_diag_register - application register with driver
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*
* This will allow the driver to setup any required buffers that will be
* needed by firmware to communicate with the driver.
*/
static long
_ctl_diag_register(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_diag_register karg;
long rc;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
rc = _ctl_diag_register_2(ioc, &karg);
return rc;
}
/**
* _ctl_diag_unregister - application unregister with driver
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*
* This will allow the driver to cleanup any memory allocated for diag
* messages and to free up any resources.
*/
static long
_ctl_diag_unregister(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_diag_unregister karg;
void *request_data;
dma_addr_t request_data_dma;
u32 request_data_sz;
u8 buffer_type;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
buffer_type = karg.unique_id & 0x000000ff;
if (!_ctl_diag_capability(ioc, buffer_type)) {
printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
return -EPERM;
}
if ((ioc->diag_buffer_status[buffer_type] &
MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
"registered\n", ioc->name, __func__, buffer_type);
return -EINVAL;
}
if ((ioc->diag_buffer_status[buffer_type] &
MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) has not been "
"released\n", ioc->name, __func__, buffer_type);
return -EINVAL;
}
if (karg.unique_id != ioc->unique_id[buffer_type]) {
printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
"registered\n", ioc->name, __func__, karg.unique_id);
return -EINVAL;
}
request_data = ioc->diag_buffer[buffer_type];
if (!request_data) {
printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
return -ENOMEM;
}
request_data_sz = ioc->diag_buffer_sz[buffer_type];
request_data_dma = ioc->diag_buffer_dma[buffer_type];
pci_free_consistent(ioc->pdev, request_data_sz,
request_data, request_data_dma);
ioc->diag_buffer[buffer_type] = NULL;
ioc->diag_buffer_status[buffer_type] = 0;
return 0;
}
/**
* _ctl_diag_query - query relevant info associated with diag buffers
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*
* The application will send only buffer_type and unique_id. Driver will
* inspect unique_id first, if valid, fill in all the info. If unique_id is
* 0x00, the driver will return info specified by Buffer Type.
*/
static long
_ctl_diag_query(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_diag_query karg;
void *request_data;
int i;
u8 buffer_type;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
karg.application_flags = 0;
buffer_type = karg.buffer_type;
if (!_ctl_diag_capability(ioc, buffer_type)) {
printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
return -EPERM;
}
if ((ioc->diag_buffer_status[buffer_type] &
MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
"registered\n", ioc->name, __func__, buffer_type);
return -EINVAL;
}
if (karg.unique_id & 0xffffff00) {
if (karg.unique_id != ioc->unique_id[buffer_type]) {
printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
"registered\n", ioc->name, __func__,
karg.unique_id);
return -EINVAL;
}
}
request_data = ioc->diag_buffer[buffer_type];
if (!request_data) {
printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
return -ENOMEM;
}
if (ioc->diag_buffer_status[buffer_type] & MPT2_DIAG_BUFFER_IS_RELEASED)
karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
MPT2_APP_FLAGS_BUFFER_VALID);
else
karg.application_flags = (MPT2_APP_FLAGS_APP_OWNED |
MPT2_APP_FLAGS_BUFFER_VALID |
MPT2_APP_FLAGS_FW_BUFFER_ACCESS);
for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
karg.product_specific[i] =
ioc->product_specific[buffer_type][i];
karg.total_buffer_size = ioc->diag_buffer_sz[buffer_type];
karg.driver_added_buffer_size = 0;
karg.unique_id = ioc->unique_id[buffer_type];
karg.diagnostic_flags = ioc->diagnostic_flags[buffer_type];
if (copy_to_user(arg, &karg, sizeof(struct mpt2_diag_query))) {
printk(MPT2SAS_ERR_FMT "%s: unable to write mpt2_diag_query "
"data @ %p\n", ioc->name, __func__, arg);
return -EFAULT;
}
return 0;
}
/**
* _ctl_send_release - Diag Release Message
* @ioc: per adapter object
* @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
* @issue_reset - specifies whether host reset is required.
*
*/
static int
_ctl_send_release(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset)
{
Mpi2DiagReleaseRequest_t *mpi_request;
Mpi2DiagReleaseReply_t *mpi_reply;
u16 smid;
u16 ioc_status;
u32 ioc_state;
int rc;
unsigned long timeleft;
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
rc = 0;
*issue_reset = 0;
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
"skipping due to FAULT state\n", ioc->name,
__func__));
rc = -EAGAIN;
goto out;
}
if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
ioc->ctl_cmds.status = MPT2_CMD_PENDING;
memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
ioc->ctl_cmds.smid = smid;
mpi_request->Function = MPI2_FUNCTION_DIAG_RELEASE;
mpi_request->BufferType = buffer_type;
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
init_completion(&ioc->ctl_cmds.done);
mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
__func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi2DiagReleaseRequest_t)/4);
if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
*issue_reset = 1;
rc = -EFAULT;
goto out;
}
/* process the completed Reply Message Frame */
if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
ioc->name, __func__);
rc = -EFAULT;
goto out;
}
mpi_reply = ioc->ctl_cmds.reply;
ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
ioc->diag_buffer_status[buffer_type] |=
MPT2_DIAG_BUFFER_IS_RELEASED;
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
ioc->name, __func__));
} else {
printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
"log_info(0x%08x)\n", ioc->name, __func__,
ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
rc = -EFAULT;
}
out:
ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
return rc;
}
/**
* _ctl_diag_release - request to send Diag Release Message to firmware
* @arg - user space buffer containing ioctl content
*
* This allows ownership of the specified buffer to returned to the driver,
* allowing an application to read the buffer without fear that firmware is
* overwritting information in the buffer.
*/
static long
_ctl_diag_release(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_diag_release karg;
void *request_data;
int rc;
u8 buffer_type;
u8 issue_reset = 0;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
buffer_type = karg.unique_id & 0x000000ff;
if (!_ctl_diag_capability(ioc, buffer_type)) {
printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
return -EPERM;
}
if ((ioc->diag_buffer_status[buffer_type] &
MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) is not "
"registered\n", ioc->name, __func__, buffer_type);
return -EINVAL;
}
if (karg.unique_id != ioc->unique_id[buffer_type]) {
printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
"registered\n", ioc->name, __func__, karg.unique_id);
return -EINVAL;
}
if (ioc->diag_buffer_status[buffer_type] &
MPT2_DIAG_BUFFER_IS_RELEASED) {
printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
"is already released\n", ioc->name, __func__,
buffer_type);
return 0;
}
request_data = ioc->diag_buffer[buffer_type];
if (!request_data) {
printk(MPT2SAS_ERR_FMT "%s: doesn't have memory allocated for "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
return -ENOMEM;
}
/* buffers were released by due to host reset */
if ((ioc->diag_buffer_status[buffer_type] &
MPT2_DIAG_BUFFER_IS_DIAG_RESET)) {
ioc->diag_buffer_status[buffer_type] |=
MPT2_DIAG_BUFFER_IS_RELEASED;
ioc->diag_buffer_status[buffer_type] &=
~MPT2_DIAG_BUFFER_IS_DIAG_RESET;
printk(MPT2SAS_ERR_FMT "%s: buffer_type(0x%02x) "
"was released due to host reset\n", ioc->name, __func__,
buffer_type);
return 0;
}
rc = _ctl_send_release(ioc, buffer_type, &issue_reset);
if (issue_reset)
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
return rc;
}
/**
* _ctl_diag_read_buffer - request for copy of the diag buffer
* @ioc: per adapter object
* @arg - user space buffer containing ioctl content
*/
static long
_ctl_diag_read_buffer(struct MPT2SAS_ADAPTER *ioc, void __user *arg)
{
struct mpt2_diag_read_buffer karg;
struct mpt2_diag_read_buffer __user *uarg = arg;
void *request_data, *diag_data;
Mpi2DiagBufferPostRequest_t *mpi_request;
Mpi2DiagBufferPostReply_t *mpi_reply;
int rc, i;
u8 buffer_type;
unsigned long timeleft, request_size, copy_size;
u16 smid;
u16 ioc_status;
u8 issue_reset = 0;
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name,
__func__));
buffer_type = karg.unique_id & 0x000000ff;
if (!_ctl_diag_capability(ioc, buffer_type)) {
printk(MPT2SAS_ERR_FMT "%s: doesn't have capability for "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
return -EPERM;
}
if (karg.unique_id != ioc->unique_id[buffer_type]) {
printk(MPT2SAS_ERR_FMT "%s: unique_id(0x%08x) is not "
"registered\n", ioc->name, __func__, karg.unique_id);
return -EINVAL;
}
request_data = ioc->diag_buffer[buffer_type];
if (!request_data) {
printk(MPT2SAS_ERR_FMT "%s: doesn't have buffer for "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type);
return -ENOMEM;
}
request_size = ioc->diag_buffer_sz[buffer_type];
if ((karg.starting_offset % 4) || (karg.bytes_to_read % 4)) {
printk(MPT2SAS_ERR_FMT "%s: either the starting_offset "
"or bytes_to_read are not 4 byte aligned\n", ioc->name,
__func__);
return -EINVAL;
}
if (karg.starting_offset > request_size)
return -EINVAL;
diag_data = (void *)(request_data + karg.starting_offset);
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: diag_buffer(%p), "
"offset(%d), sz(%d)\n", ioc->name, __func__,
diag_data, karg.starting_offset, karg.bytes_to_read));
/* Truncate data on requests that are too large */
if ((diag_data + karg.bytes_to_read < diag_data) ||
(diag_data + karg.bytes_to_read > request_data + request_size))
copy_size = request_size - karg.starting_offset;
else
copy_size = karg.bytes_to_read;
if (copy_to_user((void __user *)uarg->diagnostic_data,
diag_data, copy_size)) {
printk(MPT2SAS_ERR_FMT "%s: Unable to write "
"mpt_diag_read_buffer_t data @ %p\n", ioc->name,
__func__, diag_data);
return -EFAULT;
}
if ((karg.flags & MPT2_FLAGS_REREGISTER) == 0)
return 0;
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: Reregister "
"buffer_type(0x%02x)\n", ioc->name, __func__, buffer_type));
if ((ioc->diag_buffer_status[buffer_type] &
MPT2_DIAG_BUFFER_IS_RELEASED) == 0) {
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: "
"buffer_type(0x%02x) is still registered\n", ioc->name,
__func__, buffer_type));
return 0;
}
/* Get a free request frame and save the message context.
*/
if (ioc->ctl_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: ctl_cmd in use\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
smid = mpt2sas_base_get_smid(ioc, ioc->ctl_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
rc = 0;
ioc->ctl_cmds.status = MPT2_CMD_PENDING;
memset(ioc->ctl_cmds.reply, 0, ioc->reply_sz);
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
ioc->ctl_cmds.smid = smid;
mpi_request->Function = MPI2_FUNCTION_DIAG_BUFFER_POST;
mpi_request->BufferType = buffer_type;
mpi_request->BufferLength =
cpu_to_le32(ioc->diag_buffer_sz[buffer_type]);
mpi_request->BufferAddress =
cpu_to_le64(ioc->diag_buffer_dma[buffer_type]);
for (i = 0; i < MPT2_PRODUCT_SPECIFIC_DWORDS; i++)
mpi_request->ProductSpecific[i] =
cpu_to_le32(ioc->product_specific[buffer_type][i]);
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
init_completion(&ioc->ctl_cmds.done);
mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->ctl_cmds.done,
MPT2_IOCTL_DEFAULT_TIMEOUT*HZ);
if (!(ioc->ctl_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name,
__func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi2DiagBufferPostRequest_t)/4);
if (!(ioc->ctl_cmds.status & MPT2_CMD_RESET))
issue_reset = 1;
goto issue_host_reset;
}
/* process the completed Reply Message Frame */
if ((ioc->ctl_cmds.status & MPT2_CMD_REPLY_VALID) == 0) {
printk(MPT2SAS_ERR_FMT "%s: no reply message\n",
ioc->name, __func__);
rc = -EFAULT;
goto out;
}
mpi_reply = ioc->ctl_cmds.reply;
ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK;
if (ioc_status == MPI2_IOCSTATUS_SUCCESS) {
ioc->diag_buffer_status[buffer_type] |=
MPT2_DIAG_BUFFER_IS_REGISTERED;
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: success\n",
ioc->name, __func__));
} else {
printk(MPT2SAS_INFO_FMT "%s: ioc_status(0x%04x) "
"log_info(0x%08x)\n", ioc->name, __func__,
ioc_status, le32_to_cpu(mpi_reply->IOCLogInfo));
rc = -EFAULT;
}
issue_host_reset:
if (issue_reset)
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
out:
ioc->ctl_cmds.status = MPT2_CMD_NOT_USED;
return rc;
}
#ifdef CONFIG_COMPAT
/**
* _ctl_compat_mpt_command - convert 32bit pointers to 64bit.
* @ioc: per adapter object
* @cmd - ioctl opcode
* @arg - (struct mpt2_ioctl_command32)
*
* MPT2COMMAND32 - Handle 32bit applications running on 64bit os.
*/
static long
_ctl_compat_mpt_command(struct MPT2SAS_ADAPTER *ioc, unsigned cmd,
void __user *arg)
{
struct mpt2_ioctl_command32 karg32;
struct mpt2_ioctl_command32 __user *uarg;
struct mpt2_ioctl_command karg;
if (_IOC_SIZE(cmd) != sizeof(struct mpt2_ioctl_command32))
return -EINVAL;
uarg = (struct mpt2_ioctl_command32 __user *) arg;
if (copy_from_user(&karg32, (char __user *)arg, sizeof(karg32))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
memset(&karg, 0, sizeof(struct mpt2_ioctl_command));
karg.hdr.ioc_number = karg32.hdr.ioc_number;
karg.hdr.port_number = karg32.hdr.port_number;
karg.hdr.max_data_size = karg32.hdr.max_data_size;
karg.timeout = karg32.timeout;
karg.max_reply_bytes = karg32.max_reply_bytes;
karg.data_in_size = karg32.data_in_size;
karg.data_out_size = karg32.data_out_size;
karg.max_sense_bytes = karg32.max_sense_bytes;
karg.data_sge_offset = karg32.data_sge_offset;
karg.reply_frame_buf_ptr = compat_ptr(karg32.reply_frame_buf_ptr);
karg.data_in_buf_ptr = compat_ptr(karg32.data_in_buf_ptr);
karg.data_out_buf_ptr = compat_ptr(karg32.data_out_buf_ptr);
karg.sense_data_ptr = compat_ptr(karg32.sense_data_ptr);
return _ctl_do_mpt_command(ioc, karg, &uarg->mf);
}
#endif
/**
* _ctl_ioctl_main - main ioctl entry point
* @file - (struct file)
* @cmd - ioctl opcode
* @arg -
* compat - handles 32 bit applications in 64bit os
*/
static long
_ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg,
u8 compat)
{
struct MPT2SAS_ADAPTER *ioc;
struct mpt2_ioctl_header ioctl_header;
enum block_state state;
long ret = -EINVAL;
/* get IOCTL header */
if (copy_from_user(&ioctl_header, (char __user *)arg,
sizeof(struct mpt2_ioctl_header))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
return -EFAULT;
}
if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc)
return -ENODEV;
/* pci_access_mutex lock acquired by ioctl path */
mutex_lock(&ioc->pci_access_mutex);
if (ioc->shost_recovery || ioc->pci_error_recovery ||
ioc->is_driver_loading || ioc->remove_host) {
ret = -EAGAIN;
goto out_unlock_pciaccess;
}
state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING;
if (state == NON_BLOCKING) {
if (!mutex_trylock(&ioc->ctl_cmds.mutex)) {
ret = -EAGAIN;
goto out_unlock_pciaccess;
}
} else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) {
ret = -ERESTARTSYS;
goto out_unlock_pciaccess;
}
switch (cmd) {
case MPT2IOCINFO:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_iocinfo))
ret = _ctl_getiocinfo(ioc, arg);
break;
#ifdef CONFIG_COMPAT
case MPT2COMMAND32:
#endif
case MPT2COMMAND:
{
struct mpt2_ioctl_command __user *uarg;
struct mpt2_ioctl_command karg;
#ifdef CONFIG_COMPAT
if (compat) {
ret = _ctl_compat_mpt_command(ioc, cmd, arg);
break;
}
#endif
if (copy_from_user(&karg, arg, sizeof(karg))) {
printk(KERN_ERR "failure at %s:%d/%s()!\n",
__FILE__, __LINE__, __func__);
ret = -EFAULT;
break;
}
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_command)) {
uarg = arg;
ret = _ctl_do_mpt_command(ioc, karg, &uarg->mf);
}
break;
}
case MPT2EVENTQUERY:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventquery))
ret = _ctl_eventquery(ioc, arg);
break;
case MPT2EVENTENABLE:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_eventenable))
ret = _ctl_eventenable(ioc, arg);
break;
case MPT2EVENTREPORT:
ret = _ctl_eventreport(ioc, arg);
break;
case MPT2HARDRESET:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_diag_reset))
ret = _ctl_do_reset(ioc, arg);
break;
case MPT2BTDHMAPPING:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_ioctl_btdh_mapping))
ret = _ctl_btdh_mapping(ioc, arg);
break;
case MPT2DIAGREGISTER:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_register))
ret = _ctl_diag_register(ioc, arg);
break;
case MPT2DIAGUNREGISTER:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_unregister))
ret = _ctl_diag_unregister(ioc, arg);
break;
case MPT2DIAGQUERY:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_query))
ret = _ctl_diag_query(ioc, arg);
break;
case MPT2DIAGRELEASE:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_release))
ret = _ctl_diag_release(ioc, arg);
break;
case MPT2DIAGREADBUFFER:
if (_IOC_SIZE(cmd) == sizeof(struct mpt2_diag_read_buffer))
ret = _ctl_diag_read_buffer(ioc, arg);
break;
default:
dctlprintk(ioc, printk(MPT2SAS_INFO_FMT
"unsupported ioctl opcode(0x%08x)\n", ioc->name, cmd));
break;
}
mutex_unlock(&ioc->ctl_cmds.mutex);
out_unlock_pciaccess:
mutex_unlock(&ioc->pci_access_mutex);
return ret;
}
/**
* _ctl_ioctl - main ioctl entry point (unlocked)
* @file - (struct file)
* @cmd - ioctl opcode
* @arg -
*/
static long
_ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
long ret;
ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0);
return ret;
}
#ifdef CONFIG_COMPAT
/**
* _ctl_ioctl_compat - main ioctl entry point (compat)
* @file -
* @cmd -
* @arg -
*
* This routine handles 32 bit applications in 64bit os.
*/
static long
_ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg)
{
long ret;
ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1);
return ret;
}
#endif
/* scsi host attributes */
/**
* _ctl_version_fw_show - firmware version
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_version_fw_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
(ioc->facts.FWVersion.Word & 0xFF000000) >> 24,
(ioc->facts.FWVersion.Word & 0x00FF0000) >> 16,
(ioc->facts.FWVersion.Word & 0x0000FF00) >> 8,
ioc->facts.FWVersion.Word & 0x000000FF);
}
static DEVICE_ATTR(version_fw, S_IRUGO, _ctl_version_fw_show, NULL);
/**
* _ctl_version_bios_show - bios version
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_version_bios_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
u32 version = le32_to_cpu(ioc->bios_pg3.BiosVersion);
return snprintf(buf, PAGE_SIZE, "%02d.%02d.%02d.%02d\n",
(version & 0xFF000000) >> 24,
(version & 0x00FF0000) >> 16,
(version & 0x0000FF00) >> 8,
version & 0x000000FF);
}
static DEVICE_ATTR(version_bios, S_IRUGO, _ctl_version_bios_show, NULL);
/**
* _ctl_version_mpi_show - MPI (message passing interface) version
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_version_mpi_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%03x.%02x\n",
ioc->facts.MsgVersion, ioc->facts.HeaderVersion >> 8);
}
static DEVICE_ATTR(version_mpi, S_IRUGO, _ctl_version_mpi_show, NULL);
/**
* _ctl_version_product_show - product name
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_version_product_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, 16, "%s\n", ioc->manu_pg0.ChipName);
}
static DEVICE_ATTR(version_product, S_IRUGO,
_ctl_version_product_show, NULL);
/**
* _ctl_version_nvdata_persistent_show - ndvata persistent version
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_version_nvdata_persistent_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%08xh\n",
le32_to_cpu(ioc->iounit_pg0.NvdataVersionPersistent.Word));
}
static DEVICE_ATTR(version_nvdata_persistent, S_IRUGO,
_ctl_version_nvdata_persistent_show, NULL);
/**
* _ctl_version_nvdata_default_show - nvdata default version
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_version_nvdata_default_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%08xh\n",
le32_to_cpu(ioc->iounit_pg0.NvdataVersionDefault.Word));
}
static DEVICE_ATTR(version_nvdata_default, S_IRUGO,
_ctl_version_nvdata_default_show, NULL);
/**
* _ctl_board_name_show - board name
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_board_name_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardName);
}
static DEVICE_ATTR(board_name, S_IRUGO, _ctl_board_name_show, NULL);
/**
* _ctl_board_assembly_show - board assembly name
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_board_assembly_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardAssembly);
}
static DEVICE_ATTR(board_assembly, S_IRUGO,
_ctl_board_assembly_show, NULL);
/**
* _ctl_board_tracer_show - board tracer number
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_board_tracer_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, 16, "%s\n", ioc->manu_pg0.BoardTracerNumber);
}
static DEVICE_ATTR(board_tracer, S_IRUGO,
_ctl_board_tracer_show, NULL);
/**
* _ctl_io_delay_show - io missing delay
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* This is for firmware implemention for deboucing device
* removal events.
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_io_delay_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->io_missing_delay);
}
static DEVICE_ATTR(io_delay, S_IRUGO,
_ctl_io_delay_show, NULL);
/**
* _ctl_device_delay_show - device missing delay
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* This is for firmware implemention for deboucing device
* removal events.
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_device_delay_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->device_missing_delay);
}
static DEVICE_ATTR(device_delay, S_IRUGO,
_ctl_device_delay_show, NULL);
/**
* _ctl_fw_queue_depth_show - global credits
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* This is firmware queue depth limit
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_fw_queue_depth_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%02d\n", ioc->facts.RequestCredit);
}
static DEVICE_ATTR(fw_queue_depth, S_IRUGO,
_ctl_fw_queue_depth_show, NULL);
/**
* _ctl_sas_address_show - sas address
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* This is the controller sas address
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_host_sas_address_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
(unsigned long long)ioc->sas_hba.sas_address);
}
static DEVICE_ATTR(host_sas_address, S_IRUGO,
_ctl_host_sas_address_show, NULL);
/**
* _ctl_logging_level_show - logging level
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read/write' shost attribute.
*/
static ssize_t
_ctl_logging_level_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%08xh\n", ioc->logging_level);
}
static ssize_t
_ctl_logging_level_store(struct device *cdev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
int val = 0;
if (sscanf(buf, "%x", &val) != 1)
return -EINVAL;
ioc->logging_level = val;
printk(MPT2SAS_INFO_FMT "logging_level=%08xh\n", ioc->name,
ioc->logging_level);
return strlen(buf);
}
static DEVICE_ATTR(logging_level, S_IRUGO | S_IWUSR,
_ctl_logging_level_show, _ctl_logging_level_store);
/* device attributes */
/*
* _ctl_fwfault_debug_show - show/store fwfault_debug
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* mpt2sas_fwfault_debug is command line option
* A sysfs 'read/write' shost attribute.
*/
static ssize_t
_ctl_fwfault_debug_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%d\n", ioc->fwfault_debug);
}
static ssize_t
_ctl_fwfault_debug_store(struct device *cdev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
int val = 0;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
ioc->fwfault_debug = val;
printk(MPT2SAS_INFO_FMT "fwfault_debug=%d\n", ioc->name,
ioc->fwfault_debug);
return strlen(buf);
}
static DEVICE_ATTR(fwfault_debug, S_IRUGO | S_IWUSR,
_ctl_fwfault_debug_show, _ctl_fwfault_debug_store);
/**
* _ctl_ioc_reset_count_show - ioc reset count
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* This is firmware queue depth limit
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_ioc_reset_count_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
return snprintf(buf, PAGE_SIZE, "%08d\n", ioc->ioc_reset_count);
}
static DEVICE_ATTR(ioc_reset_count, S_IRUGO,
_ctl_ioc_reset_count_show, NULL);
/**
* _ctl_ioc_reply_queue_count_show - number of reply queues
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* This is number of reply queues
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_ioc_reply_queue_count_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
u8 reply_queue_count;
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
if ((ioc->facts.IOCCapabilities &
MPI2_IOCFACTS_CAPABILITY_MSI_X_INDEX) && ioc->msix_enable)
reply_queue_count = ioc->reply_queue_count;
else
reply_queue_count = 1;
return snprintf(buf, PAGE_SIZE, "%d\n", reply_queue_count);
}
static DEVICE_ATTR(reply_queue_count, S_IRUGO,
_ctl_ioc_reply_queue_count_show, NULL);
/**
* _ctl_BRM_status_show - Backup Rail Monitor Status
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* This is number of reply queues
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
Mpi2IOUnitPage3_t *io_unit_pg3 = NULL;
Mpi2ConfigReply_t mpi_reply;
u16 backup_rail_monitor_status = 0;
u16 ioc_status;
int sz;
ssize_t rc = 0;
if (!ioc->is_warpdrive) {
printk(MPT2SAS_ERR_FMT "%s: BRM attribute is only for"\
"warpdrive\n", ioc->name, __func__);
goto out;
}
/* pci_access_mutex lock acquired by sysfs show path */
mutex_lock(&ioc->pci_access_mutex);
if (ioc->pci_error_recovery || ioc->remove_host) {
mutex_unlock(&ioc->pci_access_mutex);
return 0;
}
/* allocate upto GPIOVal 36 entries */
sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36);
io_unit_pg3 = kzalloc(sz, GFP_KERNEL);
if (!io_unit_pg3) {
printk(MPT2SAS_ERR_FMT "%s: failed allocating memory"\
"for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz);
goto out;
}
if (mpt2sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) !=
0) {
printk(MPT2SAS_ERR_FMT
"%s: failed reading iounit_pg3\n", ioc->name,
__func__);
goto out;
}
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK;
if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
printk(MPT2SAS_ERR_FMT "%s: iounit_pg3 failed with"\
"ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status);
goto out;
}
if (io_unit_pg3->GPIOCount < 25) {
printk(MPT2SAS_ERR_FMT "%s: iounit_pg3->GPIOCount less than"\
"25 entries, detected (%d) entries\n", ioc->name, __func__,
io_unit_pg3->GPIOCount);
goto out;
}
/* BRM status is in bit zero of GPIOVal[24] */
backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]);
rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1));
out:
kfree(io_unit_pg3);
mutex_unlock(&ioc->pci_access_mutex);
return rc;
}
static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL);
struct DIAG_BUFFER_START {
__le32 Size;
__le32 DiagVersion;
u8 BufferType;
u8 Reserved[3];
__le32 Reserved1;
__le32 Reserved2;
__le32 Reserved3;
};
/**
* _ctl_host_trace_buffer_size_show - host buffer size (trace only)
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_host_trace_buffer_size_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
u32 size = 0;
struct DIAG_BUFFER_START *request_data;
if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
"registered\n", ioc->name, __func__);
return 0;
}
if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
"registered\n", ioc->name, __func__);
return 0;
}
request_data = (struct DIAG_BUFFER_START *)
ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE];
if ((le32_to_cpu(request_data->DiagVersion) == 0x00000000 ||
le32_to_cpu(request_data->DiagVersion) == 0x01000000) &&
le32_to_cpu(request_data->Reserved3) == 0x4742444c)
size = le32_to_cpu(request_data->Size);
ioc->ring_buffer_sz = size;
return snprintf(buf, PAGE_SIZE, "%d\n", size);
}
static DEVICE_ATTR(host_trace_buffer_size, S_IRUGO,
_ctl_host_trace_buffer_size_show, NULL);
/**
* _ctl_host_trace_buffer_show - firmware ring buffer (trace only)
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read/write' shost attribute.
*
* You will only be able to read 4k bytes of ring buffer at a time.
* In order to read beyond 4k bytes, you will have to write out the
* offset to the same attribute, it will move the pointer.
*/
static ssize_t
_ctl_host_trace_buffer_show(struct device *cdev, struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
void *request_data;
u32 size;
if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) {
printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
"registered\n", ioc->name, __func__);
return 0;
}
if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
MPT2_DIAG_BUFFER_IS_REGISTERED) == 0) {
printk(MPT2SAS_ERR_FMT "%s: host_trace_buffer is not "
"registered\n", ioc->name, __func__);
return 0;
}
if (ioc->ring_buffer_offset > ioc->ring_buffer_sz)
return 0;
size = ioc->ring_buffer_sz - ioc->ring_buffer_offset;
size = (size > PAGE_SIZE) ? PAGE_SIZE : size;
request_data = ioc->diag_buffer[0] + ioc->ring_buffer_offset;
memcpy(buf, request_data, size);
return size;
}
static ssize_t
_ctl_host_trace_buffer_store(struct device *cdev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
int val = 0;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
ioc->ring_buffer_offset = val;
return strlen(buf);
}
static DEVICE_ATTR(host_trace_buffer, S_IRUGO | S_IWUSR,
_ctl_host_trace_buffer_show, _ctl_host_trace_buffer_store);
/*****************************************/
/**
* _ctl_host_trace_buffer_enable_show - firmware ring buffer (trace only)
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* A sysfs 'read/write' shost attribute.
*
* This is a mechnism to post/release host_trace_buffers
*/
static ssize_t
_ctl_host_trace_buffer_enable_show(struct device *cdev,
struct device_attribute *attr, char *buf)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
if ((!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) ||
((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
MPT2_DIAG_BUFFER_IS_REGISTERED) == 0))
return snprintf(buf, PAGE_SIZE, "off\n");
else if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
MPT2_DIAG_BUFFER_IS_RELEASED))
return snprintf(buf, PAGE_SIZE, "release\n");
else
return snprintf(buf, PAGE_SIZE, "post\n");
}
static ssize_t
_ctl_host_trace_buffer_enable_store(struct device *cdev,
struct device_attribute *attr, const char *buf, size_t count)
{
struct Scsi_Host *shost = class_to_shost(cdev);
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
char str[10] = "";
struct mpt2_diag_register diag_register;
u8 issue_reset = 0;
if (sscanf(buf, "%9s", str) != 1)
return -EINVAL;
if (!strcmp(str, "post")) {
/* exit out if host buffers are already posted */
if ((ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE]) &&
(ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
MPT2_DIAG_BUFFER_IS_REGISTERED) &&
((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
MPT2_DIAG_BUFFER_IS_RELEASED) == 0))
goto out;
memset(&diag_register, 0, sizeof(struct mpt2_diag_register));
printk(MPT2SAS_INFO_FMT "posting host trace buffers\n",
ioc->name);
diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_TRACE;
diag_register.requested_buffer_size = (1024 * 1024);
diag_register.unique_id = 0x7075900;
ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] = 0;
_ctl_diag_register_2(ioc, &diag_register);
} else if (!strcmp(str, "release")) {
/* exit out if host buffers are already released */
if (!ioc->diag_buffer[MPI2_DIAG_BUF_TYPE_TRACE])
goto out;
if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
MPT2_DIAG_BUFFER_IS_REGISTERED) == 0)
goto out;
if ((ioc->diag_buffer_status[MPI2_DIAG_BUF_TYPE_TRACE] &
MPT2_DIAG_BUFFER_IS_RELEASED))
goto out;
printk(MPT2SAS_INFO_FMT "releasing host trace buffer\n",
ioc->name);
_ctl_send_release(ioc, MPI2_DIAG_BUF_TYPE_TRACE, &issue_reset);
}
out:
return strlen(buf);
}
static DEVICE_ATTR(host_trace_buffer_enable, S_IRUGO | S_IWUSR,
_ctl_host_trace_buffer_enable_show, _ctl_host_trace_buffer_enable_store);
struct device_attribute *mpt2sas_host_attrs[] = {
&dev_attr_version_fw,
&dev_attr_version_bios,
&dev_attr_version_mpi,
&dev_attr_version_product,
&dev_attr_version_nvdata_persistent,
&dev_attr_version_nvdata_default,
&dev_attr_board_name,
&dev_attr_board_assembly,
&dev_attr_board_tracer,
&dev_attr_io_delay,
&dev_attr_device_delay,
&dev_attr_logging_level,
&dev_attr_fwfault_debug,
&dev_attr_fw_queue_depth,
&dev_attr_host_sas_address,
&dev_attr_ioc_reset_count,
&dev_attr_host_trace_buffer_size,
&dev_attr_host_trace_buffer,
&dev_attr_host_trace_buffer_enable,
&dev_attr_reply_queue_count,
&dev_attr_BRM_status,
NULL,
};
/**
* _ctl_device_sas_address_show - sas address
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* This is the sas address for the target
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_device_sas_address_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
return snprintf(buf, PAGE_SIZE, "0x%016llx\n",
(unsigned long long)sas_device_priv_data->sas_target->sas_address);
}
static DEVICE_ATTR(sas_address, S_IRUGO, _ctl_device_sas_address_show, NULL);
/**
* _ctl_device_handle_show - device handle
* @cdev - pointer to embedded class device
* @buf - the buffer returned
*
* This is the firmware assigned device handle
*
* A sysfs 'read-only' shost attribute.
*/
static ssize_t
_ctl_device_handle_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
struct MPT2SAS_DEVICE *sas_device_priv_data = sdev->hostdata;
return snprintf(buf, PAGE_SIZE, "0x%04x\n",
sas_device_priv_data->sas_target->handle);
}
static DEVICE_ATTR(sas_device_handle, S_IRUGO, _ctl_device_handle_show, NULL);
struct device_attribute *mpt2sas_dev_attrs[] = {
&dev_attr_sas_address,
&dev_attr_sas_device_handle,
NULL,
};
static const struct file_operations ctl_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = _ctl_ioctl,
.poll = _ctl_poll,
.fasync = _ctl_fasync,
#ifdef CONFIG_COMPAT
.compat_ioctl = _ctl_ioctl_compat,
#endif
.llseek = noop_llseek,
};
static struct miscdevice ctl_dev = {
.minor = MPT2SAS_MINOR,
.name = MPT2SAS_DEV_NAME,
.fops = &ctl_fops,
};
/**
* mpt2sas_ctl_init - main entry point for ctl.
*
*/
void
mpt2sas_ctl_init(void)
{
async_queue = NULL;
if (misc_register(&ctl_dev) < 0)
printk(KERN_ERR "%s can't register misc device [minor=%d]\n",
MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR);
init_waitqueue_head(&ctl_poll_wait);
}
/**
* mpt2sas_ctl_exit - exit point for ctl
*
*/
void
mpt2sas_ctl_exit(void)
{
struct MPT2SAS_ADAPTER *ioc;
int i;
list_for_each_entry(ioc, &mpt2sas_ioc_list, list) {
/* free memory associated to diag buffers */
for (i = 0; i < MPI2_DIAG_BUF_TYPE_COUNT; i++) {
if (!ioc->diag_buffer[i])
continue;
pci_free_consistent(ioc->pdev, ioc->diag_buffer_sz[i],
ioc->diag_buffer[i], ioc->diag_buffer_dma[i]);
ioc->diag_buffer[i] = NULL;
ioc->diag_buffer_status[i] = 0;
}
kfree(ioc->event_log);
}
misc_deregister(&ctl_dev);
}
drivers/scsi/mpt2sas/mpt2sas_ctl.h deleted 100644 → 0
View file @ 78f97c8f
/*
* Management Module Support for MPT (Message Passing Technology) based
* controllers
*
* This code is based on drivers/scsi/mpt2sas/mpt2_ctl.h
* Copyright (C) 2007-2014 LSI Corporation
* Copyright (C) 20013-2014 Avago Technologies
* (mailto: MPT-FusionLinux.pdl@avagotech.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* NO WARRANTY
* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
* solely responsible for determining the appropriateness of using and
* distributing the Program and assumes all risks associated with its
* exercise of rights under this Agreement, including but not limited to
* the risks and costs of program errors, damage to or loss of data,
* programs or equipment, and unavailability or interruption of operations.
* DISCLAIMER OF LIABILITY
* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#ifndef MPT2SAS_CTL_H_INCLUDED
#define MPT2SAS_CTL_H_INCLUDED
#ifdef __KERNEL__
#include <linux/miscdevice.h>
#endif
#define MPT2SAS_DEV_NAME "mpt2ctl"
#define MPT2_MAGIC_NUMBER 'L'
#define MPT2_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */
/**
* IOCTL opcodes
*/
#define MPT2IOCINFO _IOWR(MPT2_MAGIC_NUMBER, 17, \
struct mpt2_ioctl_iocinfo)
#define MPT2COMMAND _IOWR(MPT2_MAGIC_NUMBER, 20, \
struct mpt2_ioctl_command)
#ifdef CONFIG_COMPAT
#define MPT2COMMAND32 _IOWR(MPT2_MAGIC_NUMBER, 20, \
struct mpt2_ioctl_command32)
#endif
#define MPT2EVENTQUERY _IOWR(MPT2_MAGIC_NUMBER, 21, \
struct mpt2_ioctl_eventquery)
#define MPT2EVENTENABLE _IOWR(MPT2_MAGIC_NUMBER, 22, \
struct mpt2_ioctl_eventenable)
#define MPT2EVENTREPORT _IOWR(MPT2_MAGIC_NUMBER, 23, \
struct mpt2_ioctl_eventreport)
#define MPT2HARDRESET _IOWR(MPT2_MAGIC_NUMBER, 24, \
struct mpt2_ioctl_diag_reset)
#define MPT2BTDHMAPPING _IOWR(MPT2_MAGIC_NUMBER, 31, \
struct mpt2_ioctl_btdh_mapping)
/* diag buffer support */
#define MPT2DIAGREGISTER _IOWR(MPT2_MAGIC_NUMBER, 26, \
struct mpt2_diag_register)
#define MPT2DIAGRELEASE _IOWR(MPT2_MAGIC_NUMBER, 27, \
struct mpt2_diag_release)
#define MPT2DIAGUNREGISTER _IOWR(MPT2_MAGIC_NUMBER, 28, \
struct mpt2_diag_unregister)
#define MPT2DIAGQUERY _IOWR(MPT2_MAGIC_NUMBER, 29, \
struct mpt2_diag_query)
#define MPT2DIAGREADBUFFER _IOWR(MPT2_MAGIC_NUMBER, 30, \
struct mpt2_diag_read_buffer)
/**
* struct mpt2_ioctl_header - main header structure
* @ioc_number - IOC unit number
* @port_number - IOC port number
* @max_data_size - maximum number bytes to transfer on read
*/
struct mpt2_ioctl_header {
uint32_t ioc_number;
uint32_t port_number;
uint32_t max_data_size;
};
/**
* struct mpt2_ioctl_diag_reset - diagnostic reset
* @hdr - generic header
*/
struct mpt2_ioctl_diag_reset {
struct mpt2_ioctl_header hdr;
};
/**
* struct mpt2_ioctl_pci_info - pci device info
* @device - pci device id
* @function - pci function id
* @bus - pci bus id
* @segment_id - pci segment id
*/
struct mpt2_ioctl_pci_info {
union {
struct {
uint32_t device:5;
uint32_t function:3;
uint32_t bus:24;
} bits;
uint32_t word;
} u;
uint32_t segment_id;
};
#define MPT2_IOCTL_INTERFACE_SCSI (0x00)
#define MPT2_IOCTL_INTERFACE_FC (0x01)
#define MPT2_IOCTL_INTERFACE_FC_IP (0x02)
#define MPT2_IOCTL_INTERFACE_SAS (0x03)
#define MPT2_IOCTL_INTERFACE_SAS2 (0x04)
#define MPT2_IOCTL_INTERFACE_SAS2_SSS6200 (0x05)
#define MPT2_IOCTL_VERSION_LENGTH (32)
/**
* struct mpt2_ioctl_iocinfo - generic controller info
* @hdr - generic header
* @adapter_type - type of adapter (spi, fc, sas)
* @port_number - port number
* @pci_id - PCI Id
* @hw_rev - hardware revision
* @sub_system_device - PCI subsystem Device ID
* @sub_system_vendor - PCI subsystem Vendor ID
* @rsvd0 - reserved
* @firmware_version - firmware version
* @bios_version - BIOS version
* @driver_version - driver version - 32 ASCII characters
* @rsvd1 - reserved
* @scsi_id - scsi id of adapter 0
* @rsvd2 - reserved
* @pci_information - pci info (2nd revision)
*/
struct mpt2_ioctl_iocinfo {
struct mpt2_ioctl_header hdr;
uint32_t adapter_type;
uint32_t port_number;
uint32_t pci_id;
uint32_t hw_rev;
uint32_t subsystem_device;
uint32_t subsystem_vendor;
uint32_t rsvd0;
uint32_t firmware_version;
uint32_t bios_version;
uint8_t driver_version[MPT2_IOCTL_VERSION_LENGTH];
uint8_t rsvd1;
uint8_t scsi_id;
uint16_t rsvd2;
struct mpt2_ioctl_pci_info pci_information;
};
/* number of event log entries */
#define MPT2SAS_CTL_EVENT_LOG_SIZE (50)
/**
* struct mpt2_ioctl_eventquery - query event count and type
* @hdr - generic header
* @event_entries - number of events returned by get_event_report
* @rsvd - reserved
* @event_types - type of events currently being captured
*/
struct mpt2_ioctl_eventquery {
struct mpt2_ioctl_header hdr;
uint16_t event_entries;
uint16_t rsvd;
uint32_t event_types[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
};
/**
* struct mpt2_ioctl_eventenable - enable/disable event capturing
* @hdr - generic header
* @event_types - toggle off/on type of events to be captured
*/
struct mpt2_ioctl_eventenable {
struct mpt2_ioctl_header hdr;
uint32_t event_types[4];
};
#define MPT2_EVENT_DATA_SIZE (192)
/**
* struct MPT2_IOCTL_EVENTS -
* @event - the event that was reported
* @context - unique value for each event assigned by driver
* @data - event data returned in fw reply message
*/
struct MPT2_IOCTL_EVENTS {
uint32_t event;
uint32_t context;
uint8_t data[MPT2_EVENT_DATA_SIZE];
};
/**
* struct mpt2_ioctl_eventreport - returing event log
* @hdr - generic header
* @event_data - (see struct MPT2_IOCTL_EVENTS)
*/
struct mpt2_ioctl_eventreport {
struct mpt2_ioctl_header hdr;
struct MPT2_IOCTL_EVENTS event_data[1];
};
/**
* struct mpt2_ioctl_command - generic mpt firmware passthru ioctl
* @hdr - generic header
* @timeout - command timeout in seconds. (if zero then use driver default
* value).
* @reply_frame_buf_ptr - reply location
* @data_in_buf_ptr - destination for read
* @data_out_buf_ptr - data source for write
* @sense_data_ptr - sense data location
* @max_reply_bytes - maximum number of reply bytes to be sent to app.
* @data_in_size - number bytes for data transfer in (read)
* @data_out_size - number bytes for data transfer out (write)
* @max_sense_bytes - maximum number of bytes for auto sense buffers
* @data_sge_offset - offset in words from the start of the request message to
* the first SGL
* @mf[1];
*/
struct mpt2_ioctl_command {
struct mpt2_ioctl_header hdr;
uint32_t timeout;
void __user *reply_frame_buf_ptr;
void __user *data_in_buf_ptr;
void __user *data_out_buf_ptr;
void __user *sense_data_ptr;
uint32_t max_reply_bytes;
uint32_t data_in_size;
uint32_t data_out_size;
uint32_t max_sense_bytes;
uint32_t data_sge_offset;
uint8_t mf[1];
};
#ifdef CONFIG_COMPAT
struct mpt2_ioctl_command32 {
struct mpt2_ioctl_header hdr;
uint32_t timeout;
uint32_t reply_frame_buf_ptr;
uint32_t data_in_buf_ptr;
uint32_t data_out_buf_ptr;
uint32_t sense_data_ptr;
uint32_t max_reply_bytes;
uint32_t data_in_size;
uint32_t data_out_size;
uint32_t max_sense_bytes;
uint32_t data_sge_offset;
uint8_t mf[1];
};
#endif
/**
* struct mpt2_ioctl_btdh_mapping - mapping info
* @hdr - generic header
* @id - target device identification number
* @bus - SCSI bus number that the target device exists on
* @handle - device handle for the target device
* @rsvd - reserved
*
* To obtain a bus/id the application sets
* handle to valid handle, and bus/id to 0xFFFF.
*
* To obtain the device handle the application sets
* bus/id valid value, and the handle to 0xFFFF.
*/
struct mpt2_ioctl_btdh_mapping {
struct mpt2_ioctl_header hdr;
uint32_t id;
uint32_t bus;
uint16_t handle;
uint16_t rsvd;
};
/* status bits for ioc->diag_buffer_status */
#define MPT2_DIAG_BUFFER_IS_REGISTERED (0x01)
#define MPT2_DIAG_BUFFER_IS_RELEASED (0x02)
#define MPT2_DIAG_BUFFER_IS_DIAG_RESET (0x04)
/* application flags for mpt2_diag_register, mpt2_diag_query */
#define MPT2_APP_FLAGS_APP_OWNED (0x0001)
#define MPT2_APP_FLAGS_BUFFER_VALID (0x0002)
#define MPT2_APP_FLAGS_FW_BUFFER_ACCESS (0x0004)
/* flags for mpt2_diag_read_buffer */
#define MPT2_FLAGS_REREGISTER (0x0001)
#define MPT2_PRODUCT_SPECIFIC_DWORDS 23
/**
* struct mpt2_diag_register - application register with driver
* @hdr - generic header
* @reserved -
* @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
* @application_flags - misc flags
* @diagnostic_flags - specifies flags affecting command processing
* @product_specific - product specific information
* @requested_buffer_size - buffers size in bytes
* @unique_id - tag specified by application that is used to signal ownership
* of the buffer.
*
* This will allow the driver to setup any required buffers that will be
* needed by firmware to communicate with the driver.
*/
struct mpt2_diag_register {
struct mpt2_ioctl_header hdr;
uint8_t reserved;
uint8_t buffer_type;
uint16_t application_flags;
uint32_t diagnostic_flags;
uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
uint32_t requested_buffer_size;
uint32_t unique_id;
};
/**
* struct mpt2_diag_unregister - application unregister with driver
* @hdr - generic header
* @unique_id - tag uniquely identifies the buffer to be unregistered
*
* This will allow the driver to cleanup any memory allocated for diag
* messages and to free up any resources.
*/
struct mpt2_diag_unregister {
struct mpt2_ioctl_header hdr;
uint32_t unique_id;
};
/**
* struct mpt2_diag_query - query relevant info associated with diag buffers
* @hdr - generic header
* @reserved -
* @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED
* @application_flags - misc flags
* @diagnostic_flags - specifies flags affecting command processing
* @product_specific - product specific information
* @total_buffer_size - diag buffer size in bytes
* @driver_added_buffer_size - size of extra space appended to end of buffer
* @unique_id - unique id associated with this buffer.
*
* The application will send only buffer_type and unique_id. Driver will
* inspect unique_id first, if valid, fill in all the info. If unique_id is
* 0x00, the driver will return info specified by Buffer Type.
*/
struct mpt2_diag_query {
struct mpt2_ioctl_header hdr;
uint8_t reserved;
uint8_t buffer_type;
uint16_t application_flags;
uint32_t diagnostic_flags;
uint32_t product_specific[MPT2_PRODUCT_SPECIFIC_DWORDS];
uint32_t total_buffer_size;
uint32_t driver_added_buffer_size;
uint32_t unique_id;
};
/**
* struct mpt2_diag_release - request to send Diag Release Message to firmware
* @hdr - generic header
* @unique_id - tag uniquely identifies the buffer to be released
*
* This allows ownership of the specified buffer to returned to the driver,
* allowing an application to read the buffer without fear that firmware is
* overwritting information in the buffer.
*/
struct mpt2_diag_release {
struct mpt2_ioctl_header hdr;
uint32_t unique_id;
};
/**
* struct mpt2_diag_read_buffer - request for copy of the diag buffer
* @hdr - generic header
* @status -
* @reserved -
* @flags - misc flags
* @starting_offset - starting offset within drivers buffer where to start
* reading data at into the specified application buffer
* @bytes_to_read - number of bytes to copy from the drivers buffer into the
* application buffer starting at starting_offset.
* @unique_id - unique id associated with this buffer.
* @diagnostic_data - data payload
*/
struct mpt2_diag_read_buffer {
struct mpt2_ioctl_header hdr;
uint8_t status;
uint8_t reserved;
uint16_t flags;
uint32_t starting_offset;
uint32_t bytes_to_read;
uint32_t unique_id;
uint32_t diagnostic_data[1];
};
#endif /* MPT2SAS_CTL_H_INCLUDED */
drivers/scsi/mpt2sas/mpt2sas_debug.h deleted 100644 → 0
View file @ 78f97c8f
/*
* Logging Support for MPT (Message Passing Technology) based controllers
*
* This code is based on drivers/scsi/mpt2sas/mpt2_debug.c
* Copyright (C) 2007-2014 LSI Corporation
* Copyright (C) 20013-2014 Avago Technologies
* (mailto: MPT-FusionLinux.pdl@avagotech.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* NO WARRANTY
* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
* solely responsible for determining the appropriateness of using and
* distributing the Program and assumes all risks associated with its
* exercise of rights under this Agreement, including but not limited to
* the risks and costs of program errors, damage to or loss of data,
* programs or equipment, and unavailability or interruption of operations.
* DISCLAIMER OF LIABILITY
* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#ifndef MPT2SAS_DEBUG_H_INCLUDED
#define MPT2SAS_DEBUG_H_INCLUDED
#define MPT_DEBUG 0x00000001
#define MPT_DEBUG_MSG_FRAME 0x00000002
#define MPT_DEBUG_SG 0x00000004
#define MPT_DEBUG_EVENTS 0x00000008
#define MPT_DEBUG_EVENT_WORK_TASK 0x00000010
#define MPT_DEBUG_INIT 0x00000020
#define MPT_DEBUG_EXIT 0x00000040
#define MPT_DEBUG_FAIL 0x00000080
#define MPT_DEBUG_TM 0x00000100
#define MPT_DEBUG_REPLY 0x00000200
#define MPT_DEBUG_HANDSHAKE 0x00000400
#define MPT_DEBUG_CONFIG 0x00000800
#define MPT_DEBUG_DL 0x00001000
#define MPT_DEBUG_RESET 0x00002000
#define MPT_DEBUG_SCSI 0x00004000
#define MPT_DEBUG_IOCTL 0x00008000
#define MPT_DEBUG_CSMISAS 0x00010000
#define MPT_DEBUG_SAS 0x00020000
#define MPT_DEBUG_TRANSPORT 0x00040000
#define MPT_DEBUG_TASK_SET_FULL 0x00080000
#define MPT_DEBUG_TARGET_MODE 0x00100000
/*
* CONFIG_SCSI_MPT2SAS_LOGGING - enabled in Kconfig
*/
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
#define MPT_CHECK_LOGGING(IOC, CMD, BITS) \
{ \
if (IOC->logging_level & BITS) \
CMD; \
}
#else
#define MPT_CHECK_LOGGING(IOC, CMD, BITS)
#endif /* CONFIG_SCSI_MPT2SAS_LOGGING */
/*
* debug macros
*/
#define dprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG)
#define dsgprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SG)
#define devtprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENTS)
#define dewtprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EVENT_WORK_TASK)
#define dinitprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_INIT)
#define dexitprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_EXIT)
#define dfailprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_FAIL)
#define dtmprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TM)
#define dreplyprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_REPLY)
#define dhsprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_HANDSHAKE)
#define dcprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CONFIG)
#define ddlprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_DL)
#define drsprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_RESET)
#define dsprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SCSI)
#define dctlprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_IOCTL)
#define dcsmisasprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_CSMISAS)
#define dsasprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS)
#define dsastransport(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_SAS_WIDE)
#define dmfprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_MSG_FRAME)
#define dtsfprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TASK_SET_FULL)
#define dtransportprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TRANSPORT)
#define dTMprintk(IOC, CMD) \
MPT_CHECK_LOGGING(IOC, CMD, MPT_DEBUG_TARGET_MODE)
/* inline functions for dumping debug data*/
#ifdef CONFIG_SCSI_MPT2SAS_LOGGING
/**
* _debug_dump_mf - print message frame contents
* @mpi_request: pointer to message frame
* @sz: number of dwords
*/
static inline void
_debug_dump_mf(void *mpi_request, int sz)
{
int i;
__le32 *mfp = (__le32 *)mpi_request;
printk(KERN_INFO "mf:\n\t");
for (i = 0; i < sz; i++) {
if (i && ((i % 8) == 0))
printk("\n\t");
printk("%08x ", le32_to_cpu(mfp[i]));
}
printk("\n");
}
#else
#define _debug_dump_mf(mpi_request, sz)
#endif /* CONFIG_SCSI_MPT2SAS_LOGGING */
#endif /* MPT2SAS_DEBUG_H_INCLUDED */
drivers/scsi/mpt2sas/mpt2sas_scsih.c deleted 100644 → 0
View file @ 78f97c8f
This source diff could not be displayed because it is too large. You can view the blob instead.
drivers/scsi/mpt2sas/mpt2sas_transport.c deleted 100644 → 0
View file @ 78f97c8f
/*
* SAS Transport Layer for MPT (Message Passing Technology) based controllers
*
* This code is based on drivers/scsi/mpt2sas/mpt2_transport.c
* Copyright (C) 2007-2014 LSI Corporation
* Copyright (C) 20013-2014 Avago Technologies
* (mailto: MPT-FusionLinux.pdl@avagotech.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* NO WARRANTY
* THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
* LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
* solely responsible for determining the appropriateness of using and
* distributing the Program and assumes all risks associated with its
* exercise of rights under this Agreement, including but not limited to
* the risks and costs of program errors, damage to or loss of data,
* programs or equipment, and unavailability or interruption of operations.
* DISCLAIMER OF LIABILITY
* NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
* USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
* HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/workqueue.h>
#include <linux/delay.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_sas.h>
#include <scsi/scsi_dbg.h>
#include "mpt2sas_base.h"
/**
* _transport_sas_node_find_by_sas_address - sas node search
* @ioc: per adapter object
* @sas_address: sas address of expander or sas host
* Context: Calling function should acquire ioc->sas_node_lock.
*
* Search for either hba phys or expander device based on handle, then returns
* the sas_node object.
*/
static struct _sas_node *
_transport_sas_node_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc,
u64 sas_address)
{
if (ioc->sas_hba.sas_address == sas_address)
return &ioc->sas_hba;
else
return mpt2sas_scsih_expander_find_by_sas_address(ioc,
sas_address);
}
/**
* _transport_convert_phy_link_rate -
* @link_rate: link rate returned from mpt firmware
*
* Convert link_rate from mpi fusion into sas_transport form.
*/
static enum sas_linkrate
_transport_convert_phy_link_rate(u8 link_rate)
{
enum sas_linkrate rc;
switch (link_rate) {
case MPI2_SAS_NEG_LINK_RATE_1_5:
rc = SAS_LINK_RATE_1_5_GBPS;
break;
case MPI2_SAS_NEG_LINK_RATE_3_0:
rc = SAS_LINK_RATE_3_0_GBPS;
break;
case MPI2_SAS_NEG_LINK_RATE_6_0:
rc = SAS_LINK_RATE_6_0_GBPS;
break;
case MPI2_SAS_NEG_LINK_RATE_PHY_DISABLED:
rc = SAS_PHY_DISABLED;
break;
case MPI2_SAS_NEG_LINK_RATE_NEGOTIATION_FAILED:
rc = SAS_LINK_RATE_FAILED;
break;
case MPI2_SAS_NEG_LINK_RATE_PORT_SELECTOR:
rc = SAS_SATA_PORT_SELECTOR;
break;
case MPI2_SAS_NEG_LINK_RATE_SMP_RESET_IN_PROGRESS:
rc = SAS_PHY_RESET_IN_PROGRESS;
break;
default:
case MPI2_SAS_NEG_LINK_RATE_SATA_OOB_COMPLETE:
case MPI2_SAS_NEG_LINK_RATE_UNKNOWN_LINK_RATE:
rc = SAS_LINK_RATE_UNKNOWN;
break;
}
return rc;
}
/**
* _transport_set_identify - set identify for phys and end devices
* @ioc: per adapter object
* @handle: device handle
* @identify: sas identify info
*
* Populates sas identify info.
*
* Returns 0 for success, non-zero for failure.
*/
static int
_transport_set_identify(struct MPT2SAS_ADAPTER *ioc, u16 handle,
struct sas_identify *identify)
{
Mpi2SasDevicePage0_t sas_device_pg0;
Mpi2ConfigReply_t mpi_reply;
u32 device_info;
u32 ioc_status;
if (ioc->shost_recovery || ioc->pci_error_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return -EFAULT;
}
if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0,
MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return -ENXIO;
}
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)"
"\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status,
__FILE__, __LINE__, __func__);
return -EIO;
}
memset(identify, 0, sizeof(struct sas_identify));
device_info = le32_to_cpu(sas_device_pg0.DeviceInfo);
/* sas_address */
identify->sas_address = le64_to_cpu(sas_device_pg0.SASAddress);
/* phy number of the parent device this device is linked to */
identify->phy_identifier = sas_device_pg0.PhyNum;
/* device_type */
switch (device_info & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) {
case MPI2_SAS_DEVICE_INFO_NO_DEVICE:
identify->device_type = SAS_PHY_UNUSED;
break;
case MPI2_SAS_DEVICE_INFO_END_DEVICE:
identify->device_type = SAS_END_DEVICE;
break;
case MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER:
identify->device_type = SAS_EDGE_EXPANDER_DEVICE;
break;
case MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER:
identify->device_type = SAS_FANOUT_EXPANDER_DEVICE;
break;
}
/* initiator_port_protocols */
if (device_info & MPI2_SAS_DEVICE_INFO_SSP_INITIATOR)
identify->initiator_port_protocols |= SAS_PROTOCOL_SSP;
if (device_info & MPI2_SAS_DEVICE_INFO_STP_INITIATOR)
identify->initiator_port_protocols |= SAS_PROTOCOL_STP;
if (device_info & MPI2_SAS_DEVICE_INFO_SMP_INITIATOR)
identify->initiator_port_protocols |= SAS_PROTOCOL_SMP;
if (device_info & MPI2_SAS_DEVICE_INFO_SATA_HOST)
identify->initiator_port_protocols |= SAS_PROTOCOL_SATA;
/* target_port_protocols */
if (device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET)
identify->target_port_protocols |= SAS_PROTOCOL_SSP;
if (device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET)
identify->target_port_protocols |= SAS_PROTOCOL_STP;
if (device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET)
identify->target_port_protocols |= SAS_PROTOCOL_SMP;
if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE)
identify->target_port_protocols |= SAS_PROTOCOL_SATA;
return 0;
}
/**
* mpt2sas_transport_done - internal transport layer callback handler.
* @ioc: per adapter object
* @smid: system request message index
* @msix_index: MSIX table index supplied by the OS
* @reply: reply message frame(lower 32bit addr)
*
* Callback handler when sending internal generated transport cmds.
* The callback index passed is `ioc->transport_cb_idx`
*
* Return 1 meaning mf should be freed from _base_interrupt
* 0 means the mf is freed from this function.
*/
u8
mpt2sas_transport_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index,
u32 reply)
{
MPI2DefaultReply_t *mpi_reply;
mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply);
if (ioc->transport_cmds.status == MPT2_CMD_NOT_USED)
return 1;
if (ioc->transport_cmds.smid != smid)
return 1;
ioc->transport_cmds.status |= MPT2_CMD_COMPLETE;
if (mpi_reply) {
memcpy(ioc->transport_cmds.reply, mpi_reply,
mpi_reply->MsgLength*4);
ioc->transport_cmds.status |= MPT2_CMD_REPLY_VALID;
}
ioc->transport_cmds.status &= ~MPT2_CMD_PENDING;
complete(&ioc->transport_cmds.done);
return 1;
}
/* report manufacture request structure */
struct rep_manu_request{
u8 smp_frame_type;
u8 function;
u8 reserved;
u8 request_length;
};
/* report manufacture reply structure */
struct rep_manu_reply{
u8 smp_frame_type; /* 0x41 */
u8 function; /* 0x01 */
u8 function_result;
u8 response_length;
u16 expander_change_count;
u8 reserved0[2];
u8 sas_format;
u8 reserved2[3];
u8 vendor_id[SAS_EXPANDER_VENDOR_ID_LEN];
u8 product_id[SAS_EXPANDER_PRODUCT_ID_LEN];
u8 product_rev[SAS_EXPANDER_PRODUCT_REV_LEN];
u8 component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN];
u16 component_id;
u8 component_revision_id;
u8 reserved3;
u8 vendor_specific[8];
};
/**
* _transport_expander_report_manufacture - obtain SMP report_manufacture
* @ioc: per adapter object
* @sas_address: expander sas address
* @edev: the sas_expander_device object
*
* Fills in the sas_expander_device object when SMP port is created.
*
* Returns 0 for success, non-zero for failure.
*/
static int
_transport_expander_report_manufacture(struct MPT2SAS_ADAPTER *ioc,
u64 sas_address, struct sas_expander_device *edev)
{
Mpi2SmpPassthroughRequest_t *mpi_request;
Mpi2SmpPassthroughReply_t *mpi_reply;
struct rep_manu_reply *manufacture_reply;
struct rep_manu_request *manufacture_request;
int rc;
u16 smid;
u32 ioc_state;
unsigned long timeleft;
void *psge;
u32 sgl_flags;
u8 issue_reset = 0;
void *data_out = NULL;
dma_addr_t data_out_dma;
u32 sz;
u16 wait_state_count;
if (ioc->shost_recovery || ioc->pci_error_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return -EFAULT;
}
mutex_lock(&ioc->transport_cmds.mutex);
if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
ioc->transport_cmds.status = MPT2_CMD_PENDING;
wait_state_count = 0;
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
if (wait_state_count++ == 10) {
printk(MPT2SAS_ERR_FMT
"%s: failed due to ioc not operational\n",
ioc->name, __func__);
rc = -EFAULT;
goto out;
}
ssleep(1);
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
printk(MPT2SAS_INFO_FMT "%s: waiting for "
"operational state(count=%d)\n", ioc->name,
__func__, wait_state_count);
}
if (wait_state_count)
printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
ioc->name, __func__);
smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
rc = 0;
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
ioc->transport_cmds.smid = smid;
sz = sizeof(struct rep_manu_request) + sizeof(struct rep_manu_reply);
data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
if (!data_out) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
rc = -ENOMEM;
mpt2sas_base_free_smid(ioc, smid);
goto out;
}
manufacture_request = data_out;
manufacture_request->smp_frame_type = 0x40;
manufacture_request->function = 1;
manufacture_request->reserved = 0;
manufacture_request->request_length = 0;
memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
mpi_request->PhysicalPort = 0xFF;
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
mpi_request->SASAddress = cpu_to_le64(sas_address);
mpi_request->RequestDataLength =
cpu_to_le16(sizeof(struct rep_manu_request));
psge = &mpi_request->SGL;
/* WRITE sgel first */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
sizeof(struct rep_manu_request), data_out_dma);
/* incr sgel */
psge += ioc->sge_size;
/* READ sgel last */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
MPI2_SGE_FLAGS_END_OF_LIST);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
sizeof(struct rep_manu_reply), data_out_dma +
sizeof(struct rep_manu_request));
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - "
"send to sas_addr(0x%016llx)\n", ioc->name,
(unsigned long long)sas_address));
init_completion(&ioc->transport_cmds.done);
mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
10*HZ);
if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
ioc->name, __func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi2SmpPassthroughRequest_t)/4);
if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
issue_reset = 1;
goto issue_host_reset;
}
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "report_manufacture - "
"complete\n", ioc->name));
if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
u8 *tmp;
mpi_reply = ioc->transport_cmds.reply;
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"report_manufacture - reply data transfer size(%d)\n",
ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
sizeof(struct rep_manu_reply))
goto out;
manufacture_reply = data_out + sizeof(struct rep_manu_request);
strncpy(edev->vendor_id, manufacture_reply->vendor_id,
SAS_EXPANDER_VENDOR_ID_LEN);
strncpy(edev->product_id, manufacture_reply->product_id,
SAS_EXPANDER_PRODUCT_ID_LEN);
strncpy(edev->product_rev, manufacture_reply->product_rev,
SAS_EXPANDER_PRODUCT_REV_LEN);
edev->level = manufacture_reply->sas_format & 1;
if (edev->level) {
strncpy(edev->component_vendor_id,
manufacture_reply->component_vendor_id,
SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN);
tmp = (u8 *)&manufacture_reply->component_id;
edev->component_id = tmp[0] << 8 | tmp[1];
edev->component_revision_id =
manufacture_reply->component_revision_id;
}
} else
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"report_manufacture - no reply\n", ioc->name));
issue_host_reset:
if (issue_reset)
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
out:
ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
if (data_out)
pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
mutex_unlock(&ioc->transport_cmds.mutex);
return rc;
}
/**
* _transport_delete_port - helper function to removing a port
* @ioc: per adapter object
* @mpt2sas_port: mpt2sas per port object
*
* Returns nothing.
*/
static void
_transport_delete_port(struct MPT2SAS_ADAPTER *ioc,
struct _sas_port *mpt2sas_port)
{
u64 sas_address = mpt2sas_port->remote_identify.sas_address;
enum sas_device_type device_type =
mpt2sas_port->remote_identify.device_type;
dev_printk(KERN_INFO, &mpt2sas_port->port->dev,
"remove: sas_addr(0x%016llx)\n",
(unsigned long long) sas_address);
ioc->logging_level |= MPT_DEBUG_TRANSPORT;
if (device_type == SAS_END_DEVICE)
mpt2sas_device_remove_by_sas_address(ioc, sas_address);
else if (device_type == SAS_EDGE_EXPANDER_DEVICE ||
device_type == SAS_FANOUT_EXPANDER_DEVICE)
mpt2sas_expander_remove(ioc, sas_address);
ioc->logging_level &= ~MPT_DEBUG_TRANSPORT;
}
/**
* _transport_delete_phy - helper function to removing single phy from port
* @ioc: per adapter object
* @mpt2sas_port: mpt2sas per port object
* @mpt2sas_phy: mpt2sas per phy object
*
* Returns nothing.
*/
static void
_transport_delete_phy(struct MPT2SAS_ADAPTER *ioc,
struct _sas_port *mpt2sas_port, struct _sas_phy *mpt2sas_phy)
{
u64 sas_address = mpt2sas_port->remote_identify.sas_address;
dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
"remove: sas_addr(0x%016llx), phy(%d)\n",
(unsigned long long) sas_address, mpt2sas_phy->phy_id);
list_del(&mpt2sas_phy->port_siblings);
mpt2sas_port->num_phys--;
sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy);
mpt2sas_phy->phy_belongs_to_port = 0;
}
/**
* _transport_add_phy - helper function to adding single phy to port
* @ioc: per adapter object
* @mpt2sas_port: mpt2sas per port object
* @mpt2sas_phy: mpt2sas per phy object
*
* Returns nothing.
*/
static void
_transport_add_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_port *mpt2sas_port,
struct _sas_phy *mpt2sas_phy)
{
u64 sas_address = mpt2sas_port->remote_identify.sas_address;
dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
"add: sas_addr(0x%016llx), phy(%d)\n", (unsigned long long)
sas_address, mpt2sas_phy->phy_id);
list_add_tail(&mpt2sas_phy->port_siblings, &mpt2sas_port->phy_list);
mpt2sas_port->num_phys++;
sas_port_add_phy(mpt2sas_port->port, mpt2sas_phy->phy);
mpt2sas_phy->phy_belongs_to_port = 1;
}
/**
* _transport_add_phy_to_an_existing_port - adding new phy to existing port
* @ioc: per adapter object
* @sas_node: sas node object (either expander or sas host)
* @mpt2sas_phy: mpt2sas per phy object
* @sas_address: sas address of device/expander were phy needs to be added to
*
* Returns nothing.
*/
static void
_transport_add_phy_to_an_existing_port(struct MPT2SAS_ADAPTER *ioc,
struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy, u64 sas_address)
{
struct _sas_port *mpt2sas_port;
struct _sas_phy *phy_srch;
if (mpt2sas_phy->phy_belongs_to_port == 1)
return;
list_for_each_entry(mpt2sas_port, &sas_node->sas_port_list,
port_list) {
if (mpt2sas_port->remote_identify.sas_address !=
sas_address)
continue;
list_for_each_entry(phy_srch, &mpt2sas_port->phy_list,
port_siblings) {
if (phy_srch == mpt2sas_phy)
return;
}
_transport_add_phy(ioc, mpt2sas_port, mpt2sas_phy);
return;
}
}
/**
* _transport_del_phy_from_an_existing_port - delete phy from existing port
* @ioc: per adapter object
* @sas_node: sas node object (either expander or sas host)
* @mpt2sas_phy: mpt2sas per phy object
*
* Returns nothing.
*/
static void
_transport_del_phy_from_an_existing_port(struct MPT2SAS_ADAPTER *ioc,
struct _sas_node *sas_node, struct _sas_phy *mpt2sas_phy)
{
struct _sas_port *mpt2sas_port, *next;
struct _sas_phy *phy_srch;
if (mpt2sas_phy->phy_belongs_to_port == 0)
return;
list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list,
port_list) {
list_for_each_entry(phy_srch, &mpt2sas_port->phy_list,
port_siblings) {
if (phy_srch != mpt2sas_phy)
continue;
if (mpt2sas_port->num_phys == 1)
_transport_delete_port(ioc, mpt2sas_port);
else
_transport_delete_phy(ioc, mpt2sas_port,
mpt2sas_phy);
return;
}
}
}
/**
* _transport_sanity_check - sanity check when adding a new port
* @ioc: per adapter object
* @sas_node: sas node object (either expander or sas host)
* @sas_address: sas address of device being added
*
* See the explanation above from _transport_delete_duplicate_port
*/
static void
_transport_sanity_check(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_node,
u64 sas_address)
{
int i;
for (i = 0; i < sas_node->num_phys; i++) {
if (sas_node->phy[i].remote_identify.sas_address != sas_address)
continue;
if (sas_node->phy[i].phy_belongs_to_port == 1)
_transport_del_phy_from_an_existing_port(ioc, sas_node,
&sas_node->phy[i]);
}
}
/**
* mpt2sas_transport_port_add - insert port to the list
* @ioc: per adapter object
* @handle: handle of attached device
* @sas_address: sas address of parent expander or sas host
* Context: This function will acquire ioc->sas_node_lock.
*
* Adding new port object to the sas_node->sas_port_list.
*
* Returns mpt2sas_port.
*/
struct _sas_port *
mpt2sas_transport_port_add(struct MPT2SAS_ADAPTER *ioc, u16 handle,
u64 sas_address)
{
struct _sas_phy *mpt2sas_phy, *next;
struct _sas_port *mpt2sas_port;
unsigned long flags;
struct _sas_node *sas_node;
struct sas_rphy *rphy;
int i;
struct sas_port *port;
mpt2sas_port = kzalloc(sizeof(struct _sas_port),
GFP_KERNEL);
if (!mpt2sas_port) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return NULL;
}
INIT_LIST_HEAD(&mpt2sas_port->port_list);
INIT_LIST_HEAD(&mpt2sas_port->phy_list);
spin_lock_irqsave(&ioc->sas_node_lock, flags);
sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address);
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
if (!sas_node) {
printk(MPT2SAS_ERR_FMT "%s: Could not find "
"parent sas_address(0x%016llx)!\n", ioc->name,
__func__, (unsigned long long)sas_address);
goto out_fail;
}
if ((_transport_set_identify(ioc, handle,
&mpt2sas_port->remote_identify))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
goto out_fail;
}
if (mpt2sas_port->remote_identify.device_type == SAS_PHY_UNUSED) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
goto out_fail;
}
_transport_sanity_check(ioc, sas_node,
mpt2sas_port->remote_identify.sas_address);
for (i = 0; i < sas_node->num_phys; i++) {
if (sas_node->phy[i].remote_identify.sas_address !=
mpt2sas_port->remote_identify.sas_address)
continue;
list_add_tail(&sas_node->phy[i].port_siblings,
&mpt2sas_port->phy_list);
mpt2sas_port->num_phys++;
}
if (!mpt2sas_port->num_phys) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
goto out_fail;
}
port = sas_port_alloc_num(sas_node->parent_dev);
if ((sas_port_add(port))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
goto out_fail;
}
list_for_each_entry(mpt2sas_phy, &mpt2sas_port->phy_list,
port_siblings) {
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
dev_printk(KERN_INFO, &port->dev, "add: handle(0x%04x)"
", sas_addr(0x%016llx), phy(%d)\n", handle,
(unsigned long long)
mpt2sas_port->remote_identify.sas_address,
mpt2sas_phy->phy_id);
sas_port_add_phy(port, mpt2sas_phy->phy);
mpt2sas_phy->phy_belongs_to_port = 1;
}
mpt2sas_port->port = port;
if (mpt2sas_port->remote_identify.device_type == SAS_END_DEVICE)
rphy = sas_end_device_alloc(port);
else
rphy = sas_expander_alloc(port,
mpt2sas_port->remote_identify.device_type);
rphy->identify = mpt2sas_port->remote_identify;
if ((sas_rphy_add(rphy))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
}
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
dev_printk(KERN_INFO, &rphy->dev, "add: handle(0x%04x), "
"sas_addr(0x%016llx)\n", handle,
(unsigned long long)
mpt2sas_port->remote_identify.sas_address);
mpt2sas_port->rphy = rphy;
spin_lock_irqsave(&ioc->sas_node_lock, flags);
list_add_tail(&mpt2sas_port->port_list, &sas_node->sas_port_list);
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
/* fill in report manufacture */
if (mpt2sas_port->remote_identify.device_type ==
MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER ||
mpt2sas_port->remote_identify.device_type ==
MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER)
_transport_expander_report_manufacture(ioc,
mpt2sas_port->remote_identify.sas_address,
rphy_to_expander_device(rphy));
return mpt2sas_port;
out_fail:
list_for_each_entry_safe(mpt2sas_phy, next, &mpt2sas_port->phy_list,
port_siblings)
list_del(&mpt2sas_phy->port_siblings);
kfree(mpt2sas_port);
return NULL;
}
/**
* mpt2sas_transport_port_remove - remove port from the list
* @ioc: per adapter object
* @sas_address: sas address of attached device
* @sas_address_parent: sas address of parent expander or sas host
* Context: This function will acquire ioc->sas_node_lock.
*
* Removing object and freeing associated memory from the
* ioc->sas_port_list.
*
* Return nothing.
*/
void
mpt2sas_transport_port_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address,
u64 sas_address_parent)
{
int i;
unsigned long flags;
struct _sas_port *mpt2sas_port, *next;
struct _sas_node *sas_node;
u8 found = 0;
struct _sas_phy *mpt2sas_phy, *next_phy;
spin_lock_irqsave(&ioc->sas_node_lock, flags);
sas_node = _transport_sas_node_find_by_sas_address(ioc,
sas_address_parent);
if (!sas_node) {
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
return;
}
list_for_each_entry_safe(mpt2sas_port, next, &sas_node->sas_port_list,
port_list) {
if (mpt2sas_port->remote_identify.sas_address != sas_address)
continue;
found = 1;
list_del(&mpt2sas_port->port_list);
goto out;
}
out:
if (!found) {
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
return;
}
for (i = 0; i < sas_node->num_phys; i++) {
if (sas_node->phy[i].remote_identify.sas_address == sas_address)
memset(&sas_node->phy[i].remote_identify, 0 ,
sizeof(struct sas_identify));
}
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
list_for_each_entry_safe(mpt2sas_phy, next_phy,
&mpt2sas_port->phy_list, port_siblings) {
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
dev_printk(KERN_INFO, &mpt2sas_port->port->dev,
"remove: sas_addr(0x%016llx), phy(%d)\n",
(unsigned long long)
mpt2sas_port->remote_identify.sas_address,
mpt2sas_phy->phy_id);
mpt2sas_phy->phy_belongs_to_port = 0;
sas_port_delete_phy(mpt2sas_port->port, mpt2sas_phy->phy);
list_del(&mpt2sas_phy->port_siblings);
}
sas_port_delete(mpt2sas_port->port);
kfree(mpt2sas_port);
}
/**
* mpt2sas_transport_add_host_phy - report sas_host phy to transport
* @ioc: per adapter object
* @mpt2sas_phy: mpt2sas per phy object
* @phy_pg0: sas phy page 0
* @parent_dev: parent device class object
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_transport_add_host_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
*mpt2sas_phy, Mpi2SasPhyPage0_t phy_pg0, struct device *parent_dev)
{
struct sas_phy *phy;
int phy_index = mpt2sas_phy->phy_id;
INIT_LIST_HEAD(&mpt2sas_phy->port_siblings);
phy = sas_phy_alloc(parent_dev, phy_index);
if (!phy) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return -1;
}
if ((_transport_set_identify(ioc, mpt2sas_phy->handle,
&mpt2sas_phy->identify))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return -1;
}
phy->identify = mpt2sas_phy->identify;
mpt2sas_phy->attached_handle = le16_to_cpu(phy_pg0.AttachedDevHandle);
if (mpt2sas_phy->attached_handle)
_transport_set_identify(ioc, mpt2sas_phy->attached_handle,
&mpt2sas_phy->remote_identify);
phy->identify.phy_identifier = mpt2sas_phy->phy_id;
phy->negotiated_linkrate = _transport_convert_phy_link_rate(
phy_pg0.NegotiatedLinkRate & MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
phy->minimum_linkrate_hw = _transport_convert_phy_link_rate(
phy_pg0.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK);
phy->maximum_linkrate_hw = _transport_convert_phy_link_rate(
phy_pg0.HwLinkRate >> 4);
phy->minimum_linkrate = _transport_convert_phy_link_rate(
phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
phy->maximum_linkrate = _transport_convert_phy_link_rate(
phy_pg0.ProgrammedLinkRate >> 4);
if ((sas_phy_add(phy))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
sas_phy_free(phy);
return -1;
}
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
dev_printk(KERN_INFO, &phy->dev,
"add: handle(0x%04x), sas_addr(0x%016llx)\n"
"\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
mpt2sas_phy->handle, (unsigned long long)
mpt2sas_phy->identify.sas_address,
mpt2sas_phy->attached_handle,
(unsigned long long)
mpt2sas_phy->remote_identify.sas_address);
mpt2sas_phy->phy = phy;
return 0;
}
/**
* mpt2sas_transport_add_expander_phy - report expander phy to transport
* @ioc: per adapter object
* @mpt2sas_phy: mpt2sas per phy object
* @expander_pg1: expander page 1
* @parent_dev: parent device class object
*
* Returns 0 for success, non-zero for failure.
*/
int
mpt2sas_transport_add_expander_phy(struct MPT2SAS_ADAPTER *ioc, struct _sas_phy
*mpt2sas_phy, Mpi2ExpanderPage1_t expander_pg1, struct device *parent_dev)
{
struct sas_phy *phy;
int phy_index = mpt2sas_phy->phy_id;
INIT_LIST_HEAD(&mpt2sas_phy->port_siblings);
phy = sas_phy_alloc(parent_dev, phy_index);
if (!phy) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return -1;
}
if ((_transport_set_identify(ioc, mpt2sas_phy->handle,
&mpt2sas_phy->identify))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return -1;
}
phy->identify = mpt2sas_phy->identify;
mpt2sas_phy->attached_handle =
le16_to_cpu(expander_pg1.AttachedDevHandle);
if (mpt2sas_phy->attached_handle)
_transport_set_identify(ioc, mpt2sas_phy->attached_handle,
&mpt2sas_phy->remote_identify);
phy->identify.phy_identifier = mpt2sas_phy->phy_id;
phy->negotiated_linkrate = _transport_convert_phy_link_rate(
expander_pg1.NegotiatedLinkRate &
MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
phy->minimum_linkrate_hw = _transport_convert_phy_link_rate(
expander_pg1.HwLinkRate & MPI2_SAS_HWRATE_MIN_RATE_MASK);
phy->maximum_linkrate_hw = _transport_convert_phy_link_rate(
expander_pg1.HwLinkRate >> 4);
phy->minimum_linkrate = _transport_convert_phy_link_rate(
expander_pg1.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
phy->maximum_linkrate = _transport_convert_phy_link_rate(
expander_pg1.ProgrammedLinkRate >> 4);
if ((sas_phy_add(phy))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
sas_phy_free(phy);
return -1;
}
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
dev_printk(KERN_INFO, &phy->dev,
"add: handle(0x%04x), sas_addr(0x%016llx)\n"
"\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
mpt2sas_phy->handle, (unsigned long long)
mpt2sas_phy->identify.sas_address,
mpt2sas_phy->attached_handle,
(unsigned long long)
mpt2sas_phy->remote_identify.sas_address);
mpt2sas_phy->phy = phy;
return 0;
}
/**
* mpt2sas_transport_update_links - refreshing phy link changes
* @ioc: per adapter object
* @sas_address: sas address of parent expander or sas host
* @handle: attached device handle
* @phy_numberv: phy number
* @link_rate: new link rate
*
* Returns nothing.
*/
void
mpt2sas_transport_update_links(struct MPT2SAS_ADAPTER *ioc,
u64 sas_address, u16 handle, u8 phy_number, u8 link_rate)
{
unsigned long flags;
struct _sas_node *sas_node;
struct _sas_phy *mpt2sas_phy;
if (ioc->shost_recovery || ioc->pci_error_recovery)
return;
spin_lock_irqsave(&ioc->sas_node_lock, flags);
sas_node = _transport_sas_node_find_by_sas_address(ioc, sas_address);
if (!sas_node) {
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
return;
}
mpt2sas_phy = &sas_node->phy[phy_number];
mpt2sas_phy->attached_handle = handle;
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
if (handle && (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5)) {
_transport_set_identify(ioc, handle,
&mpt2sas_phy->remote_identify);
_transport_add_phy_to_an_existing_port(ioc, sas_node,
mpt2sas_phy, mpt2sas_phy->remote_identify.sas_address);
} else
memset(&mpt2sas_phy->remote_identify, 0 , sizeof(struct
sas_identify));
if (mpt2sas_phy->phy)
mpt2sas_phy->phy->negotiated_linkrate =
_transport_convert_phy_link_rate(link_rate);
if ((ioc->logging_level & MPT_DEBUG_TRANSPORT))
dev_printk(KERN_INFO, &mpt2sas_phy->phy->dev,
"refresh: parent sas_addr(0x%016llx),\n"
"\tlink_rate(0x%02x), phy(%d)\n"
"\tattached_handle(0x%04x), sas_addr(0x%016llx)\n",
(unsigned long long)sas_address,
link_rate, phy_number, handle, (unsigned long long)
mpt2sas_phy->remote_identify.sas_address);
}
static inline void *
phy_to_ioc(struct sas_phy *phy)
{
struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
return shost_priv(shost);
}
static inline void *
rphy_to_ioc(struct sas_rphy *rphy)
{
struct Scsi_Host *shost = dev_to_shost(rphy->dev.parent->parent);
return shost_priv(shost);
}
/* report phy error log structure */
struct phy_error_log_request{
u8 smp_frame_type; /* 0x40 */
u8 function; /* 0x11 */
u8 allocated_response_length;
u8 request_length; /* 02 */
u8 reserved_1[5];
u8 phy_identifier;
u8 reserved_2[2];
};
/* report phy error log reply structure */
struct phy_error_log_reply{
u8 smp_frame_type; /* 0x41 */
u8 function; /* 0x11 */
u8 function_result;
u8 response_length;
__be16 expander_change_count;
u8 reserved_1[3];
u8 phy_identifier;
u8 reserved_2[2];
__be32 invalid_dword;
__be32 running_disparity_error;
__be32 loss_of_dword_sync;
__be32 phy_reset_problem;
};
/**
* _transport_get_expander_phy_error_log - return expander counters
* @ioc: per adapter object
* @phy: The sas phy object
*
* Returns 0 for success, non-zero for failure.
*
*/
static int
_transport_get_expander_phy_error_log(struct MPT2SAS_ADAPTER *ioc,
struct sas_phy *phy)
{
Mpi2SmpPassthroughRequest_t *mpi_request;
Mpi2SmpPassthroughReply_t *mpi_reply;
struct phy_error_log_request *phy_error_log_request;
struct phy_error_log_reply *phy_error_log_reply;
int rc;
u16 smid;
u32 ioc_state;
unsigned long timeleft;
void *psge;
u32 sgl_flags;
u8 issue_reset = 0;
void *data_out = NULL;
dma_addr_t data_out_dma;
u32 sz;
u16 wait_state_count;
if (ioc->shost_recovery || ioc->pci_error_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return -EFAULT;
}
mutex_lock(&ioc->transport_cmds.mutex);
if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
ioc->transport_cmds.status = MPT2_CMD_PENDING;
wait_state_count = 0;
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
if (wait_state_count++ == 10) {
printk(MPT2SAS_ERR_FMT
"%s: failed due to ioc not operational\n",
ioc->name, __func__);
rc = -EFAULT;
goto out;
}
ssleep(1);
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
printk(MPT2SAS_INFO_FMT "%s: waiting for "
"operational state(count=%d)\n", ioc->name,
__func__, wait_state_count);
}
if (wait_state_count)
printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
ioc->name, __func__);
smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
ioc->transport_cmds.smid = smid;
sz = sizeof(struct phy_error_log_request) +
sizeof(struct phy_error_log_reply);
data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
if (!data_out) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
rc = -ENOMEM;
mpt2sas_base_free_smid(ioc, smid);
goto out;
}
rc = -EINVAL;
memset(data_out, 0, sz);
phy_error_log_request = data_out;
phy_error_log_request->smp_frame_type = 0x40;
phy_error_log_request->function = 0x11;
phy_error_log_request->request_length = 2;
phy_error_log_request->allocated_response_length = 0;
phy_error_log_request->phy_identifier = phy->number;
memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
mpi_request->PhysicalPort = 0xFF;
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
mpi_request->RequestDataLength =
cpu_to_le16(sizeof(struct phy_error_log_request));
psge = &mpi_request->SGL;
/* WRITE sgel first */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
sizeof(struct phy_error_log_request), data_out_dma);
/* incr sgel */
psge += ioc->sge_size;
/* READ sgel last */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
MPI2_SGE_FLAGS_END_OF_LIST);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
sizeof(struct phy_error_log_reply), data_out_dma +
sizeof(struct phy_error_log_request));
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - "
"send to sas_addr(0x%016llx), phy(%d)\n", ioc->name,
(unsigned long long)phy->identify.sas_address, phy->number));
init_completion(&ioc->transport_cmds.done);
mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
10*HZ);
if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
ioc->name, __func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi2SmpPassthroughRequest_t)/4);
if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
issue_reset = 1;
goto issue_host_reset;
}
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_error_log - "
"complete\n", ioc->name));
if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
mpi_reply = ioc->transport_cmds.reply;
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"phy_error_log - reply data transfer size(%d)\n",
ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
sizeof(struct phy_error_log_reply))
goto out;
phy_error_log_reply = data_out +
sizeof(struct phy_error_log_request);
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"phy_error_log - function_result(%d)\n",
ioc->name, phy_error_log_reply->function_result));
phy->invalid_dword_count =
be32_to_cpu(phy_error_log_reply->invalid_dword);
phy->running_disparity_error_count =
be32_to_cpu(phy_error_log_reply->running_disparity_error);
phy->loss_of_dword_sync_count =
be32_to_cpu(phy_error_log_reply->loss_of_dword_sync);
phy->phy_reset_problem_count =
be32_to_cpu(phy_error_log_reply->phy_reset_problem);
rc = 0;
} else
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"phy_error_log - no reply\n", ioc->name));
issue_host_reset:
if (issue_reset)
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
out:
ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
if (data_out)
pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
mutex_unlock(&ioc->transport_cmds.mutex);
return rc;
}
/**
* _transport_get_linkerrors - return phy counters for both hba and expanders
* @phy: The sas phy object
*
* Returns 0 for success, non-zero for failure.
*
*/
static int
_transport_get_linkerrors(struct sas_phy *phy)
{
struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
unsigned long flags;
Mpi2ConfigReply_t mpi_reply;
Mpi2SasPhyPage1_t phy_pg1;
spin_lock_irqsave(&ioc->sas_node_lock, flags);
if (_transport_sas_node_find_by_sas_address(ioc,
phy->identify.sas_address) == NULL) {
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
return -EINVAL;
}
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
if (phy->identify.sas_address != ioc->sas_hba.sas_address)
return _transport_get_expander_phy_error_log(ioc, phy);
/* get hba phy error logs */
if ((mpt2sas_config_get_phy_pg1(ioc, &mpi_reply, &phy_pg1,
phy->number))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return -ENXIO;
}
if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo)
printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status"
"(0x%04x), loginfo(0x%08x)\n", ioc->name,
phy->number, le16_to_cpu(mpi_reply.IOCStatus),
le32_to_cpu(mpi_reply.IOCLogInfo));
phy->invalid_dword_count = le32_to_cpu(phy_pg1.InvalidDwordCount);
phy->running_disparity_error_count =
le32_to_cpu(phy_pg1.RunningDisparityErrorCount);
phy->loss_of_dword_sync_count =
le32_to_cpu(phy_pg1.LossDwordSynchCount);
phy->phy_reset_problem_count =
le32_to_cpu(phy_pg1.PhyResetProblemCount);
return 0;
}
/**
* _transport_get_enclosure_identifier -
* @phy: The sas phy object
*
* Obtain the enclosure logical id for an expander.
* Returns 0 for success, non-zero for failure.
*/
static int
_transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
{
struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy);
struct _sas_device *sas_device;
unsigned long flags;
int rc;
spin_lock_irqsave(&ioc->sas_device_lock, flags);
sas_device = __mpt2sas_get_sdev_by_addr(ioc,
rphy->identify.sas_address);
if (sas_device) {
*identifier = sas_device->enclosure_logical_id;
rc = 0;
sas_device_put(sas_device);
} else {
*identifier = 0;
rc = -ENXIO;
}
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
return rc;
}
/**
* _transport_get_bay_identifier -
* @phy: The sas phy object
*
* Returns the slot id for a device that resides inside an enclosure.
*/
static int
_transport_get_bay_identifier(struct sas_rphy *rphy)
{
struct MPT2SAS_ADAPTER *ioc = rphy_to_ioc(rphy);
struct _sas_device *sas_device;
unsigned long flags;
int rc;
spin_lock_irqsave(&ioc->sas_device_lock, flags);
sas_device = __mpt2sas_get_sdev_by_addr(ioc,
rphy->identify.sas_address);
if (sas_device) {
rc = sas_device->slot;
sas_device_put(sas_device);
} else {
rc = -ENXIO;
}
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
return rc;
}
/* phy control request structure */
struct phy_control_request{
u8 smp_frame_type; /* 0x40 */
u8 function; /* 0x91 */
u8 allocated_response_length;
u8 request_length; /* 0x09 */
u16 expander_change_count;
u8 reserved_1[3];
u8 phy_identifier;
u8 phy_operation;
u8 reserved_2[13];
u64 attached_device_name;
u8 programmed_min_physical_link_rate;
u8 programmed_max_physical_link_rate;
u8 reserved_3[6];
};
/* phy control reply structure */
struct phy_control_reply{
u8 smp_frame_type; /* 0x41 */
u8 function; /* 0x11 */
u8 function_result;
u8 response_length;
};
#define SMP_PHY_CONTROL_LINK_RESET (0x01)
#define SMP_PHY_CONTROL_HARD_RESET (0x02)
#define SMP_PHY_CONTROL_DISABLE (0x03)
/**
* _transport_expander_phy_control - expander phy control
* @ioc: per adapter object
* @phy: The sas phy object
*
* Returns 0 for success, non-zero for failure.
*
*/
static int
_transport_expander_phy_control(struct MPT2SAS_ADAPTER *ioc,
struct sas_phy *phy, u8 phy_operation)
{
Mpi2SmpPassthroughRequest_t *mpi_request;
Mpi2SmpPassthroughReply_t *mpi_reply;
struct phy_control_request *phy_control_request;
struct phy_control_reply *phy_control_reply;
int rc;
u16 smid;
u32 ioc_state;
unsigned long timeleft;
void *psge;
u32 sgl_flags;
u8 issue_reset = 0;
void *data_out = NULL;
dma_addr_t data_out_dma;
u32 sz;
u16 wait_state_count;
if (ioc->shost_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return -EFAULT;
}
mutex_lock(&ioc->transport_cmds.mutex);
if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
ioc->transport_cmds.status = MPT2_CMD_PENDING;
wait_state_count = 0;
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
if (wait_state_count++ == 10) {
printk(MPT2SAS_ERR_FMT
"%s: failed due to ioc not operational\n",
ioc->name, __func__);
rc = -EFAULT;
goto out;
}
ssleep(1);
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
printk(MPT2SAS_INFO_FMT "%s: waiting for "
"operational state(count=%d)\n", ioc->name,
__func__, wait_state_count);
}
if (wait_state_count)
printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
ioc->name, __func__);
smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
rc = -EAGAIN;
goto out;
}
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
ioc->transport_cmds.smid = smid;
sz = sizeof(struct phy_control_request) +
sizeof(struct phy_control_reply);
data_out = pci_alloc_consistent(ioc->pdev, sz, &data_out_dma);
if (!data_out) {
printk(KERN_ERR "failure at %s:%d/%s()!\n", __FILE__,
__LINE__, __func__);
rc = -ENOMEM;
mpt2sas_base_free_smid(ioc, smid);
goto out;
}
rc = -EINVAL;
memset(data_out, 0, sz);
phy_control_request = data_out;
phy_control_request->smp_frame_type = 0x40;
phy_control_request->function = 0x91;
phy_control_request->request_length = 9;
phy_control_request->allocated_response_length = 0;
phy_control_request->phy_identifier = phy->number;
phy_control_request->phy_operation = phy_operation;
phy_control_request->programmed_min_physical_link_rate =
phy->minimum_linkrate << 4;
phy_control_request->programmed_max_physical_link_rate =
phy->maximum_linkrate << 4;
memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
mpi_request->PhysicalPort = 0xFF;
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
mpi_request->SASAddress = cpu_to_le64(phy->identify.sas_address);
mpi_request->RequestDataLength =
cpu_to_le16(sizeof(struct phy_error_log_request));
psge = &mpi_request->SGL;
/* WRITE sgel first */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
sizeof(struct phy_control_request), data_out_dma);
/* incr sgel */
psge += ioc->sge_size;
/* READ sgel last */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
MPI2_SGE_FLAGS_END_OF_LIST);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
ioc->base_add_sg_single(psge, sgl_flags |
sizeof(struct phy_control_reply), data_out_dma +
sizeof(struct phy_control_request));
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - "
"send to sas_addr(0x%016llx), phy(%d), opcode(%d)\n", ioc->name,
(unsigned long long)phy->identify.sas_address, phy->number,
phy_operation));
init_completion(&ioc->transport_cmds.done);
mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
10*HZ);
if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s: timeout\n",
ioc->name, __func__);
_debug_dump_mf(mpi_request,
sizeof(Mpi2SmpPassthroughRequest_t)/4);
if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
issue_reset = 1;
goto issue_host_reset;
}
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "phy_control - "
"complete\n", ioc->name));
if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
mpi_reply = ioc->transport_cmds.reply;
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"phy_control - reply data transfer size(%d)\n",
ioc->name, le16_to_cpu(mpi_reply->ResponseDataLength)));
if (le16_to_cpu(mpi_reply->ResponseDataLength) !=
sizeof(struct phy_control_reply))
goto out;
phy_control_reply = data_out +
sizeof(struct phy_control_request);
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"phy_control - function_result(%d)\n",
ioc->name, phy_control_reply->function_result));
rc = 0;
} else
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"phy_control - no reply\n", ioc->name));
issue_host_reset:
if (issue_reset)
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
out:
ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
if (data_out)
pci_free_consistent(ioc->pdev, sz, data_out, data_out_dma);
mutex_unlock(&ioc->transport_cmds.mutex);
return rc;
}
/**
* _transport_phy_reset -
* @phy: The sas phy object
* @hard_reset:
*
* Returns 0 for success, non-zero for failure.
*/
static int
_transport_phy_reset(struct sas_phy *phy, int hard_reset)
{
struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
Mpi2SasIoUnitControlReply_t mpi_reply;
Mpi2SasIoUnitControlRequest_t mpi_request;
unsigned long flags;
spin_lock_irqsave(&ioc->sas_node_lock, flags);
if (_transport_sas_node_find_by_sas_address(ioc,
phy->identify.sas_address) == NULL) {
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
return -EINVAL;
}
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
/* handle expander phys */
if (phy->identify.sas_address != ioc->sas_hba.sas_address)
return _transport_expander_phy_control(ioc, phy,
(hard_reset == 1) ? SMP_PHY_CONTROL_HARD_RESET :
SMP_PHY_CONTROL_LINK_RESET);
/* handle hba phys */
memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlReply_t));
mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
mpi_request.Operation = hard_reset ?
MPI2_SAS_OP_PHY_HARD_RESET : MPI2_SAS_OP_PHY_LINK_RESET;
mpi_request.PhyNum = phy->number;
if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, &mpi_request))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
return -ENXIO;
}
if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo)
printk(MPT2SAS_INFO_FMT "phy(%d), ioc_status"
"(0x%04x), loginfo(0x%08x)\n", ioc->name,
phy->number, le16_to_cpu(mpi_reply.IOCStatus),
le32_to_cpu(mpi_reply.IOCLogInfo));
return 0;
}
/**
* _transport_phy_enable - enable/disable phys
* @phy: The sas phy object
* @enable: enable phy when true
*
* Only support sas_host direct attached phys.
* Returns 0 for success, non-zero for failure.
*/
static int
_transport_phy_enable(struct sas_phy *phy, int enable)
{
struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL;
Mpi2ConfigReply_t mpi_reply;
u16 ioc_status;
u16 sz;
int rc = 0;
unsigned long flags;
int i, discovery_active;
spin_lock_irqsave(&ioc->sas_node_lock, flags);
if (_transport_sas_node_find_by_sas_address(ioc,
phy->identify.sas_address) == NULL) {
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
return -EINVAL;
}
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
/* handle expander phys */
if (phy->identify.sas_address != ioc->sas_hba.sas_address)
return _transport_expander_phy_control(ioc, phy,
(enable == 1) ? SMP_PHY_CONTROL_LINK_RESET :
SMP_PHY_CONTROL_DISABLE);
/* handle hba phys */
/* read sas_iounit page 0 */
sz = offsetof(Mpi2SasIOUnitPage0_t, PhyData) + (ioc->sas_hba.num_phys *
sizeof(Mpi2SasIOUnit0PhyData_t));
sas_iounit_pg0 = kzalloc(sz, GFP_KERNEL);
if (!sas_iounit_pg0) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -ENOMEM;
goto out;
}
if ((mpt2sas_config_get_sas_iounit_pg0(ioc, &mpi_reply,
sas_iounit_pg0, sz))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -ENXIO;
goto out;
}
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -EIO;
goto out;
}
/* unable to enable/disable phys when when discovery is active */
for (i = 0, discovery_active = 0; i < ioc->sas_hba.num_phys ; i++) {
if (sas_iounit_pg0->PhyData[i].PortFlags &
MPI2_SASIOUNIT0_PORTFLAGS_DISCOVERY_IN_PROGRESS) {
printk(MPT2SAS_ERR_FMT "discovery is active on "
"port = %d, phy = %d: unable to enable/disable "
"phys, try again later!\n", ioc->name,
sas_iounit_pg0->PhyData[i].Port, i);
discovery_active = 1;
}
}
if (discovery_active) {
rc = -EAGAIN;
goto out;
}
/* read sas_iounit page 1 */
sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
sizeof(Mpi2SasIOUnit1PhyData_t));
sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
if (!sas_iounit_pg1) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -ENOMEM;
goto out;
}
if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
sas_iounit_pg1, sz))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -ENXIO;
goto out;
}
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -EIO;
goto out;
}
/* copy Port/PortFlags/PhyFlags from page 0 */
for (i = 0; i < ioc->sas_hba.num_phys ; i++) {
sas_iounit_pg1->PhyData[i].Port =
sas_iounit_pg0->PhyData[i].Port;
sas_iounit_pg1->PhyData[i].PortFlags =
(sas_iounit_pg0->PhyData[i].PortFlags &
MPI2_SASIOUNIT0_PORTFLAGS_AUTO_PORT_CONFIG);
sas_iounit_pg1->PhyData[i].PhyFlags =
(sas_iounit_pg0->PhyData[i].PhyFlags &
(MPI2_SASIOUNIT0_PHYFLAGS_ZONING_ENABLED +
MPI2_SASIOUNIT0_PHYFLAGS_PHY_DISABLED));
}
if (enable)
sas_iounit_pg1->PhyData[phy->number].PhyFlags
&= ~MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE;
else
sas_iounit_pg1->PhyData[phy->number].PhyFlags
|= MPI2_SASIOUNIT1_PHYFLAGS_PHY_DISABLE;
mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1, sz);
/* link reset */
if (enable)
_transport_phy_reset(phy, 0);
out:
kfree(sas_iounit_pg1);
kfree(sas_iounit_pg0);
return rc;
}
/**
* _transport_phy_speed - set phy min/max link rates
* @phy: The sas phy object
* @rates: rates defined in sas_phy_linkrates
*
* Only support sas_host direct attached phys.
* Returns 0 for success, non-zero for failure.
*/
static int
_transport_phy_speed(struct sas_phy *phy, struct sas_phy_linkrates *rates)
{
struct MPT2SAS_ADAPTER *ioc = phy_to_ioc(phy);
Mpi2SasIOUnitPage1_t *sas_iounit_pg1 = NULL;
Mpi2SasPhyPage0_t phy_pg0;
Mpi2ConfigReply_t mpi_reply;
u16 ioc_status;
u16 sz;
int i;
int rc = 0;
unsigned long flags;
spin_lock_irqsave(&ioc->sas_node_lock, flags);
if (_transport_sas_node_find_by_sas_address(ioc,
phy->identify.sas_address) == NULL) {
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
return -EINVAL;
}
spin_unlock_irqrestore(&ioc->sas_node_lock, flags);
if (!rates->minimum_linkrate)
rates->minimum_linkrate = phy->minimum_linkrate;
else if (rates->minimum_linkrate < phy->minimum_linkrate_hw)
rates->minimum_linkrate = phy->minimum_linkrate_hw;
if (!rates->maximum_linkrate)
rates->maximum_linkrate = phy->maximum_linkrate;
else if (rates->maximum_linkrate > phy->maximum_linkrate_hw)
rates->maximum_linkrate = phy->maximum_linkrate_hw;
/* handle expander phys */
if (phy->identify.sas_address != ioc->sas_hba.sas_address) {
phy->minimum_linkrate = rates->minimum_linkrate;
phy->maximum_linkrate = rates->maximum_linkrate;
return _transport_expander_phy_control(ioc, phy,
SMP_PHY_CONTROL_LINK_RESET);
}
/* handle hba phys */
/* sas_iounit page 1 */
sz = offsetof(Mpi2SasIOUnitPage1_t, PhyData) + (ioc->sas_hba.num_phys *
sizeof(Mpi2SasIOUnit1PhyData_t));
sas_iounit_pg1 = kzalloc(sz, GFP_KERNEL);
if (!sas_iounit_pg1) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -ENOMEM;
goto out;
}
if ((mpt2sas_config_get_sas_iounit_pg1(ioc, &mpi_reply,
sas_iounit_pg1, sz))) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -ENXIO;
goto out;
}
ioc_status = le16_to_cpu(mpi_reply.IOCStatus) &
MPI2_IOCSTATUS_MASK;
if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -EIO;
goto out;
}
for (i = 0; i < ioc->sas_hba.num_phys; i++) {
if (phy->number != i) {
sas_iounit_pg1->PhyData[i].MaxMinLinkRate =
(ioc->sas_hba.phy[i].phy->minimum_linkrate +
(ioc->sas_hba.phy[i].phy->maximum_linkrate << 4));
} else {
sas_iounit_pg1->PhyData[i].MaxMinLinkRate =
(rates->minimum_linkrate +
(rates->maximum_linkrate << 4));
}
}
if (mpt2sas_config_set_sas_iounit_pg1(ioc, &mpi_reply, sas_iounit_pg1,
sz)) {
printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n",
ioc->name, __FILE__, __LINE__, __func__);
rc = -ENXIO;
goto out;
}
/* link reset */
_transport_phy_reset(phy, 0);
/* read phy page 0, then update the rates in the sas transport phy */
if (!mpt2sas_config_get_phy_pg0(ioc, &mpi_reply, &phy_pg0,
phy->number)) {
phy->minimum_linkrate = _transport_convert_phy_link_rate(
phy_pg0.ProgrammedLinkRate & MPI2_SAS_PRATE_MIN_RATE_MASK);
phy->maximum_linkrate = _transport_convert_phy_link_rate(
phy_pg0.ProgrammedLinkRate >> 4);
phy->negotiated_linkrate = _transport_convert_phy_link_rate(
phy_pg0.NegotiatedLinkRate &
MPI2_SAS_NEG_LINK_RATE_MASK_PHYSICAL);
}
out:
kfree(sas_iounit_pg1);
return rc;
}
/**
* _transport_smp_handler - transport portal for smp passthru
* @shost: shost object
* @rphy: sas transport rphy object
* @req:
*
* This used primarily for smp_utils.
* Example:
* smp_rep_general /sys/class/bsg/expander-5:0
*/
static int
_transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
struct request *req)
{
struct MPT2SAS_ADAPTER *ioc = shost_priv(shost);
Mpi2SmpPassthroughRequest_t *mpi_request;
Mpi2SmpPassthroughReply_t *mpi_reply;
int rc;
u16 smid;
u32 ioc_state;
unsigned long timeleft;
void *psge;
u32 sgl_flags;
u8 issue_reset = 0;
dma_addr_t dma_addr_in = 0;
dma_addr_t dma_addr_out = 0;
dma_addr_t pci_dma_in = 0;
dma_addr_t pci_dma_out = 0;
void *pci_addr_in = NULL;
void *pci_addr_out = NULL;
u16 wait_state_count;
struct request *rsp = req->next_rq;
struct bio_vec bvec;
struct bvec_iter iter;
if (!rsp) {
printk(MPT2SAS_ERR_FMT "%s: the smp response space is "
"missing\n", ioc->name, __func__);
return -EINVAL;
}
if (ioc->shost_recovery || ioc->pci_error_recovery) {
printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n",
__func__, ioc->name);
return -EFAULT;
}
rc = mutex_lock_interruptible(&ioc->transport_cmds.mutex);
if (rc)
return rc;
if (ioc->transport_cmds.status != MPT2_CMD_NOT_USED) {
printk(MPT2SAS_ERR_FMT "%s: transport_cmds in use\n", ioc->name,
__func__);
rc = -EAGAIN;
goto out;
}
ioc->transport_cmds.status = MPT2_CMD_PENDING;
/* Check if the request is split across multiple segments */
if (bio_multiple_segments(req->bio)) {
u32 offset = 0;
/* Allocate memory and copy the request */
pci_addr_out = pci_alloc_consistent(ioc->pdev,
blk_rq_bytes(req), &pci_dma_out);
if (!pci_addr_out) {
printk(MPT2SAS_INFO_FMT "%s(): PCI Addr out = NULL\n",
ioc->name, __func__);
rc = -ENOMEM;
goto out;
}
bio_for_each_segment(bvec, req->bio, iter) {
memcpy(pci_addr_out + offset,
page_address(bvec.bv_page) + bvec.bv_offset,
bvec.bv_len);
offset += bvec.bv_len;
}
} else {
dma_addr_out = pci_map_single(ioc->pdev, bio_data(req->bio),
blk_rq_bytes(req), PCI_DMA_BIDIRECTIONAL);
if (!dma_addr_out) {
printk(MPT2SAS_INFO_FMT "%s(): DMA Addr out = NULL\n",
ioc->name, __func__);
rc = -ENOMEM;
goto free_pci;
}
}
/* Check if the response needs to be populated across
* multiple segments */
if (bio_multiple_segments(rsp->bio)) {
pci_addr_in = pci_alloc_consistent(ioc->pdev, blk_rq_bytes(rsp),
&pci_dma_in);
if (!pci_addr_in) {
printk(MPT2SAS_INFO_FMT "%s(): PCI Addr in = NULL\n",
ioc->name, __func__);
rc = -ENOMEM;
goto unmap;
}
} else {
dma_addr_in = pci_map_single(ioc->pdev, bio_data(rsp->bio),
blk_rq_bytes(rsp), PCI_DMA_BIDIRECTIONAL);
if (!dma_addr_in) {
printk(MPT2SAS_INFO_FMT "%s(): DMA Addr in = NULL\n",
ioc->name, __func__);
rc = -ENOMEM;
goto unmap;
}
}
wait_state_count = 0;
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
while (ioc_state != MPI2_IOC_STATE_OPERATIONAL) {
if (wait_state_count++ == 10) {
printk(MPT2SAS_ERR_FMT
"%s: failed due to ioc not operational\n",
ioc->name, __func__);
rc = -EFAULT;
goto unmap;
}
ssleep(1);
ioc_state = mpt2sas_base_get_iocstate(ioc, 1);
printk(MPT2SAS_INFO_FMT "%s: waiting for "
"operational state(count=%d)\n", ioc->name,
__func__, wait_state_count);
}
if (wait_state_count)
printk(MPT2SAS_INFO_FMT "%s: ioc is operational\n",
ioc->name, __func__);
smid = mpt2sas_base_get_smid(ioc, ioc->transport_cb_idx);
if (!smid) {
printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n",
ioc->name, __func__);
rc = -EAGAIN;
goto unmap;
}
rc = 0;
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
ioc->transport_cmds.smid = smid;
memset(mpi_request, 0, sizeof(Mpi2SmpPassthroughRequest_t));
mpi_request->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
mpi_request->PhysicalPort = 0xFF;
mpi_request->VF_ID = 0; /* TODO */
mpi_request->VP_ID = 0;
mpi_request->SASAddress = (rphy) ?
cpu_to_le64(rphy->identify.sas_address) :
cpu_to_le64(ioc->sas_hba.sas_address);
mpi_request->RequestDataLength = cpu_to_le16(blk_rq_bytes(req) - 4);
psge = &mpi_request->SGL;
/* WRITE sgel first */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_HOST_TO_IOC);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
if (bio_multiple_segments(req->bio)) {
ioc->base_add_sg_single(psge, sgl_flags |
(blk_rq_bytes(req) - 4), pci_dma_out);
} else {
ioc->base_add_sg_single(psge, sgl_flags |
(blk_rq_bytes(req) - 4), dma_addr_out);
}
/* incr sgel */
psge += ioc->sge_size;
/* READ sgel last */
sgl_flags = (MPI2_SGE_FLAGS_SIMPLE_ELEMENT |
MPI2_SGE_FLAGS_LAST_ELEMENT | MPI2_SGE_FLAGS_END_OF_BUFFER |
MPI2_SGE_FLAGS_END_OF_LIST);
sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT;
if (bio_multiple_segments(rsp->bio)) {
ioc->base_add_sg_single(psge, sgl_flags |
(blk_rq_bytes(rsp) + 4), pci_dma_in);
} else {
ioc->base_add_sg_single(psge, sgl_flags |
(blk_rq_bytes(rsp) + 4), dma_addr_in);
}
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - "
"sending smp request\n", ioc->name, __func__));
init_completion(&ioc->transport_cmds.done);
mpt2sas_base_put_smid_default(ioc, smid);
timeleft = wait_for_completion_timeout(&ioc->transport_cmds.done,
10*HZ);
if (!(ioc->transport_cmds.status & MPT2_CMD_COMPLETE)) {
printk(MPT2SAS_ERR_FMT "%s : timeout\n",
__func__, ioc->name);
_debug_dump_mf(mpi_request,
sizeof(Mpi2SmpPassthroughRequest_t)/4);
if (!(ioc->transport_cmds.status & MPT2_CMD_RESET))
issue_reset = 1;
goto issue_host_reset;
}
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - "
"complete\n", ioc->name, __func__));
if (ioc->transport_cmds.status & MPT2_CMD_REPLY_VALID) {
mpi_reply = ioc->transport_cmds.reply;
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"%s - reply data transfer size(%d)\n",
ioc->name, __func__,
le16_to_cpu(mpi_reply->ResponseDataLength)));
memcpy(req->sense, mpi_reply, sizeof(*mpi_reply));
req->sense_len = sizeof(*mpi_reply);
req->resid_len = 0;
rsp->resid_len -=
le16_to_cpu(mpi_reply->ResponseDataLength);
/* check if the resp needs to be copied from the allocated
* pci mem */
if (bio_multiple_segments(rsp->bio)) {
u32 offset = 0;
u32 bytes_to_copy =
le16_to_cpu(mpi_reply->ResponseDataLength);
bio_for_each_segment(bvec, rsp->bio, iter) {
if (bytes_to_copy <= bvec.bv_len) {
memcpy(page_address(bvec.bv_page) +
bvec.bv_offset, pci_addr_in +
offset, bytes_to_copy);
break;
} else {
memcpy(page_address(bvec.bv_page) +
bvec.bv_offset, pci_addr_in +
offset, bvec.bv_len);
bytes_to_copy -= bvec.bv_len;
}
offset += bvec.bv_len;
}
}
} else {
dtransportprintk(ioc, printk(MPT2SAS_INFO_FMT
"%s - no reply\n", ioc->name, __func__));
rc = -ENXIO;
}
issue_host_reset:
if (issue_reset) {
mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP,
FORCE_BIG_HAMMER);
rc = -ETIMEDOUT;
}
unmap:
if (dma_addr_out)
pci_unmap_single(ioc->pdev, dma_addr_out, blk_rq_bytes(req),
PCI_DMA_BIDIRECTIONAL);
if (dma_addr_in)
pci_unmap_single(ioc->pdev, dma_addr_in, blk_rq_bytes(rsp),
PCI_DMA_BIDIRECTIONAL);
free_pci:
if (pci_addr_out)
pci_free_consistent(ioc->pdev, blk_rq_bytes(req), pci_addr_out,
pci_dma_out);
if (pci_addr_in)
pci_free_consistent(ioc->pdev, blk_rq_bytes(rsp), pci_addr_in,
pci_dma_in);
out:
ioc->transport_cmds.status = MPT2_CMD_NOT_USED;
mutex_unlock(&ioc->transport_cmds.mutex);
return rc;
}
struct sas_function_template mpt2sas_transport_functions = {
.get_linkerrors = _transport_get_linkerrors,
.get_enclosure_identifier = _transport_get_enclosure_identifier,
.get_bay_identifier = _transport_get_bay_identifier,
.phy_reset = _transport_phy_reset,
.phy_enable = _transport_phy_enable,
.set_phy_speed = _transport_phy_speed,
.smp_handler = _transport_smp_handler,
};
struct scsi_transport_template *mpt2sas_transport_template;
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