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Commit 4565e370 authored by Wayne Boyer's avatar Wayne Boyer Committed by James Bottomley
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[SCSI] ipr: add error handling updates for the next generation chip 

Add support for the new log data notification and overlay IDs.
Signed-off-by: default avatarWayne Boyer <wayneb@linux.vnet.ibm.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 3e7ebdfa
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Showing with 388 additions and 29 deletions
drivers/scsi/ipr.c
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drivers/scsi/ipr.h
View file @ 4565e370
......@@ -754,12 +754,29 @@ struct ipr_hostrcb_device_data_entry_enhanced {
struct ipr_ext_vpd cfc_last_with_dev_vpd;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_device_data_entry_enhanced {
struct ipr_ext_vpd vpd;
u8 ccin[4];
u8 res_path[8];
struct ipr_ext_vpd new_vpd;
u8 new_ccin[4];
struct ipr_ext_vpd ioa_last_with_dev_vpd;
struct ipr_ext_vpd cfc_last_with_dev_vpd;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_array_data_entry {
struct ipr_vpd vpd;
struct ipr_res_addr expected_dev_res_addr;
struct ipr_res_addr dev_res_addr;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_array_data_entry {
struct ipr_ext_vpd vpd;
u8 ccin[4];
u8 expected_res_path[8];
u8 res_path[8];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_array_data_entry_enhanced {
struct ipr_ext_vpd vpd;
u8 ccin[4];
......@@ -811,6 +828,14 @@ struct ipr_hostrcb_type_13_error {
struct ipr_hostrcb_device_data_entry_enhanced dev[3];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_23_error {
struct ipr_ext_vpd ioa_vpd;
struct ipr_ext_vpd cfc_vpd;
__be32 errors_detected;
__be32 errors_logged;
struct ipr_hostrcb64_device_data_entry_enhanced dev[3];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_04_error {
struct ipr_vpd ioa_vpd;
struct ipr_vpd cfc_vpd;
......@@ -838,6 +863,22 @@ struct ipr_hostrcb_type_14_error {
struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_24_error {
struct ipr_ext_vpd ioa_vpd;
struct ipr_ext_vpd cfc_vpd;
u8 reserved[2];
u8 exposed_mode_adn;
#define IPR_INVALID_ARRAY_DEV_NUM 0xff
u8 array_id;
u8 last_res_path[8];
u8 protection_level[8];
struct ipr_ext_vpd array_vpd;
u8 description[16];
u8 reserved2[3];
u8 num_entries;
struct ipr_hostrcb64_array_data_entry array_member[32];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_07_error {
u8 failure_reason[64];
struct ipr_vpd vpd;
......@@ -875,6 +916,22 @@ struct ipr_hostrcb_config_element {
__be32 wwid[2];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_config_element {
__be16 length;
u8 descriptor_id;
#define IPR_DESCRIPTOR_MASK 0xC0
#define IPR_DESCRIPTOR_SIS64 0x00
u8 reserved;
u8 type_status;
u8 reserved2[2];
u8 link_rate;
u8 res_path[8];
__be32 wwid[2];
}__attribute__((packed, aligned (8)));
struct ipr_hostrcb_fabric_desc {
__be16 length;
u8 ioa_port;
......@@ -896,6 +953,20 @@ struct ipr_hostrcb_fabric_desc {
struct ipr_hostrcb_config_element elem[1];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_fabric_desc {
__be16 length;
u8 descriptor_id;
u8 reserved;
u8 path_state;
u8 reserved2[2];
u8 res_path[8];
u8 reserved3[6];
__be16 num_entries;
struct ipr_hostrcb64_config_element elem[1];
}__attribute__((packed, aligned (8)));
#define for_each_fabric_cfg(fabric, cfg) \
for (cfg = (fabric)->elem; \
cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
......@@ -908,10 +979,17 @@ struct ipr_hostrcb_type_20_error {
struct ipr_hostrcb_fabric_desc desc[1];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_type_30_error {
u8 failure_reason[64];
u8 reserved[3];
u8 num_entries;
struct ipr_hostrcb64_fabric_desc desc[1];
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb_error {
__be32 failing_dev_ioasc;
struct ipr_res_addr failing_dev_res_addr;
__be32 failing_dev_res_handle;
__be32 fd_ioasc;
struct ipr_res_addr fd_res_addr;
__be32 fd_res_handle;
__be32 prc;
union {
struct ipr_hostrcb_type_ff_error type_ff_error;
......@@ -928,6 +1006,26 @@ struct ipr_hostrcb_error {
} u;
}__attribute__((packed, aligned (4)));
struct ipr_hostrcb64_error {
__be32 fd_ioasc;
__be32 ioa_fw_level;
__be32 fd_res_handle;
__be32 prc;
__be64 fd_dev_id;
__be64 fd_lun;
u8 fd_res_path[8];
__be64 time_stamp;
u8 reserved[2];
union {
struct ipr_hostrcb_type_ff_error type_ff_error;
struct ipr_hostrcb_type_12_error type_12_error;
struct ipr_hostrcb_type_17_error type_17_error;
struct ipr_hostrcb_type_23_error type_23_error;
struct ipr_hostrcb_type_24_error type_24_error;
struct ipr_hostrcb_type_30_error type_30_error;
} u;
}__attribute__((packed, aligned (8)));
struct ipr_hostrcb_raw {
__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
}__attribute__((packed, aligned (4)));
......@@ -965,7 +1063,11 @@ struct ipr_hcam {
#define IPR_HOST_RCB_OVERLAY_ID_16 0x16
#define IPR_HOST_RCB_OVERLAY_ID_17 0x17
#define IPR_HOST_RCB_OVERLAY_ID_20 0x20
#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
#define IPR_HOST_RCB_OVERLAY_ID_23 0x23
#define IPR_HOST_RCB_OVERLAY_ID_24 0x24
#define IPR_HOST_RCB_OVERLAY_ID_26 0x26
#define IPR_HOST_RCB_OVERLAY_ID_30 0x30
#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT 0xFF
u8 reserved1[3];
__be32 ilid;
......@@ -975,6 +1077,7 @@ struct ipr_hcam {
union {
struct ipr_hostrcb_error error;
struct ipr_hostrcb64_error error64;
struct ipr_hostrcb_cfg_ch_not ccn;
struct ipr_hostrcb_raw raw;
} u;
......@@ -985,6 +1088,7 @@ struct ipr_hostrcb {
dma_addr_t hostrcb_dma;
struct list_head queue;
struct ipr_ioa_cfg *ioa_cfg;
char rp_buffer[IPR_MAX_RES_PATH_LENGTH];
};
/* IPR smart dump table structures */
......@@ -1521,14 +1625,21 @@ struct ipr_ucode_image_header {
}
#define ipr_hcam_err(hostrcb, fmt, ...) \
{ \
if (ipr_is_device(&(hostrcb)->hcam.u.error.failing_dev_res_addr)) { \
ipr_ra_err((hostrcb)->ioa_cfg, \
(hostrcb)->hcam.u.error.failing_dev_res_addr, \
fmt, ##__VA_ARGS__); \
} else { \
dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, ##__VA_ARGS__); \
} \
{ \
if (ipr_is_device(hostrcb)) { \
if ((hostrcb)->ioa_cfg->sis64) { \
printk(KERN_ERR IPR_NAME ": %s: " fmt, \
ipr_format_resource_path(&hostrcb->hcam.u.error64.fd_res_path[0], \
&hostrcb->rp_buffer[0]), \
__VA_ARGS__); \
} else { \
ipr_ra_err((hostrcb)->ioa_cfg, \
(hostrcb)->hcam.u.error.fd_res_addr, \
fmt, __VA_ARGS__); \
} \
} else { \
dev_err(&(hostrcb)->ioa_cfg->pdev->dev, fmt, __VA_ARGS__); \
} \
}
#define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
......@@ -1637,18 +1748,29 @@ static inline int ipr_is_naca_model(struct ipr_resource_entry *res)
}
/**
* ipr_is_device - Determine if resource address is that of a device
* @res_addr: resource address struct
* ipr_is_device - Determine if the hostrcb structure is related to a device
* @hostrcb: host resource control blocks struct
*
* Return value:
* 1 if AF / 0 if not AF
**/
static inline int ipr_is_device(struct ipr_res_addr *res_addr)
static inline int ipr_is_device(struct ipr_hostrcb *hostrcb)
{
if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
(res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
return 1;
struct ipr_res_addr *res_addr;
u8 *res_path;
if (hostrcb->ioa_cfg->sis64) {
res_path = &hostrcb->hcam.u.error64.fd_res_path[0];
if ((res_path[0] == 0x00 || res_path[0] == 0x80 ||
res_path[0] == 0x81) && res_path[2] != 0xFF)
return 1;
} else {
res_addr = &hostrcb->hcam.u.error.fd_res_addr;
if ((res_addr->bus < IPR_MAX_NUM_BUSES) &&
(res_addr->target < (IPR_MAX_NUM_TARGETS_PER_BUS - 1)))
return 1;
}
return 0;
}
......
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