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Commit bad75002 authored by Arun Easi's avatar Arun Easi Committed by James Bottomley
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[SCSI] qla2xxx: T10 DIF support added. 

Signed-off-by: default avatarDuane Grigsby <duane.grigsby@qlogic.com>
Signed-off-by: default avatarGiridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@suse.de>
parent 3822263e
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Inline Side-by-side
Showing with 1053 additions and 12 deletions
drivers/scsi/qla2xxx/qla_attr.c
View file @ bad75002
...@@ -1726,6 +1726,22 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable) ...@@ -1726,6 +1726,22 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN); fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
} }
if (IS_QLA25XX(ha) && ql2xenabledif) {
if (ha->fw_attributes & BIT_4) {
vha->flags.difdix_supported = 1;
DEBUG18(qla_printk(KERN_INFO, ha,
"Registering for DIF/DIX type 1 and 3"
" protection.\n"));
scsi_host_set_prot(vha->host,
SHOST_DIF_TYPE1_PROTECTION
| SHOST_DIF_TYPE3_PROTECTION
| SHOST_DIX_TYPE1_PROTECTION
| SHOST_DIX_TYPE3_PROTECTION);
scsi_host_set_guard(vha->host, SHOST_DIX_GUARD_CRC);
} else
vha->flags.difdix_supported = 0;
}
if (scsi_add_host_with_dma(vha->host, &fc_vport->dev, if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
&ha->pdev->dev)) { &ha->pdev->dev)) {
DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n", DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
......
drivers/scsi/qla2xxx/qla_dbg.c
View file @ bad75002
...@@ -1663,4 +1663,62 @@ qla2x00_dump_buffer(uint8_t * b, uint32_t size) ...@@ -1663,4 +1663,62 @@ qla2x00_dump_buffer(uint8_t * b, uint32_t size)
printk("\n"); printk("\n");
} }
void
qla2x00_dump_buffer_zipped(uint8_t *b, uint32_t size)
{
uint32_t cnt;
uint8_t c;
uint8_t last16[16], cur16[16];
uint32_t lc = 0, num_same16 = 0, j;
printk(KERN_DEBUG " 0 1 2 3 4 5 6 7 8 9 "
"Ah Bh Ch Dh Eh Fh\n");
printk(KERN_DEBUG "----------------------------------------"
"----------------------\n");
for (cnt = 0; cnt < size;) {
c = *b++;
cur16[lc++] = c;
cnt++;
if (cnt % 16)
continue;
/* We have 16 now */
lc = 0;
if (num_same16 == 0) {
memcpy(last16, cur16, 16);
num_same16++;
continue;
}
if (memcmp(cur16, last16, 16) == 0) {
num_same16++;
continue;
}
for (j = 0; j < 16; j++)
printk(KERN_DEBUG "%02x ", (uint32_t)last16[j]);
printk(KERN_DEBUG "\n");
if (num_same16 > 1)
printk(KERN_DEBUG "> prev pattern repeats (%u)"
"more times\n", num_same16-1);
memcpy(last16, cur16, 16);
num_same16 = 1;
}
if (num_same16) {
for (j = 0; j < 16; j++)
printk(KERN_DEBUG "%02x ", (uint32_t)last16[j]);
printk(KERN_DEBUG "\n");
if (num_same16 > 1)
printk(KERN_DEBUG "> prev pattern repeats (%u)"
"more times\n", num_same16-1);
}
if (lc) {
for (j = 0; j < lc; j++)
printk(KERN_DEBUG "%02x ", (uint32_t)cur16[j]);
printk(KERN_DEBUG "\n");
}
}
drivers/scsi/qla2xxx/qla_dbg.h
View file @ bad75002
...@@ -27,6 +27,9 @@ ...@@ -27,6 +27,9 @@
/* #define QL_DEBUG_LEVEL_15 */ /* Output NPIV trace msgs */ /* #define QL_DEBUG_LEVEL_15 */ /* Output NPIV trace msgs */
/* #define QL_DEBUG_LEVEL_16 */ /* Output ISP84XX trace msgs */ /* #define QL_DEBUG_LEVEL_16 */ /* Output ISP84XX trace msgs */
/* #define QL_DEBUG_LEVEL_17 */ /* Output EEH trace messages */ /* #define QL_DEBUG_LEVEL_17 */ /* Output EEH trace messages */
/* #define QL_DEBUG_LEVEL_18 */ /* Output T10 CRC trace messages */
/* #define QL_PRINTK_BUF */ /* Captures printk to buffer */
/* /*
* Macros use for debugging the driver. * Macros use for debugging the driver.
...@@ -139,6 +142,13 @@ ...@@ -139,6 +142,13 @@
#define DEBUG17(x) do {} while (0) #define DEBUG17(x) do {} while (0)
#endif #endif
#if defined(QL_DEBUG_LEVEL_18)
#define DEBUG18(x) do {if (ql2xextended_error_logging) x; } while (0)
#else
#define DEBUG18(x) do {} while (0)
#endif
/* /*
* Firmware Dump structure definition * Firmware Dump structure definition
*/ */
......
drivers/scsi/qla2xxx/qla_def.h
View file @ bad75002
...@@ -188,6 +188,16 @@ ...@@ -188,6 +188,16 @@
struct req_que; struct req_que;
/*
* (sd.h is not exported, hence local inclusion)
* Data Integrity Field tuple.
*/
struct sd_dif_tuple {
__be16 guard_tag; /* Checksum */
__be16 app_tag; /* Opaque storage */
__be32 ref_tag; /* Target LBA or indirect LBA */
};
/* /*
* SCSI Request Block * SCSI Request Block
*/ */
...@@ -208,8 +218,14 @@ typedef struct srb { ...@@ -208,8 +218,14 @@ typedef struct srb {
/* /*
* SRB flag definitions * SRB flag definitions
*/ */
#define SRB_DMA_VALID BIT_0 /* Command sent to ISP */ #define SRB_DMA_VALID BIT_0 /* Command sent to ISP */
#define SRB_FCP_CMND_DMA_VALID BIT_12 /* FCP command in IOCB */ #define SRB_FCP_CMND_DMA_VALID BIT_12 /* DIF: DSD List valid */
#define SRB_CRC_CTX_DMA_VALID BIT_2 /* DIF: context DMA valid */
#define SRB_CRC_PROT_DMA_VALID BIT_4 /* DIF: prot DMA valid */
#define SRB_CRC_CTX_DSD_VALID BIT_5 /* DIF: dsd_list valid */
/* To identify if a srb is of T10-CRC type. @sp => srb_t pointer */
#define IS_PROT_IO(sp) (sp->flags & SRB_CRC_CTX_DSD_VALID)
/* /*
* SRB extensions. * SRB extensions.
...@@ -1330,6 +1346,66 @@ typedef struct { ...@@ -1330,6 +1346,66 @@ typedef struct {
uint32_t dseg_4_length; /* Data segment 4 length. */ uint32_t dseg_4_length; /* Data segment 4 length. */
} cont_a64_entry_t; } cont_a64_entry_t;
#define PO_MODE_DIF_INSERT 0
#define PO_MODE_DIF_REMOVE BIT_0
#define PO_MODE_DIF_PASS BIT_1
#define PO_MODE_DIF_REPLACE (BIT_0 + BIT_1)
#define PO_ENABLE_DIF_BUNDLING BIT_8
#define PO_ENABLE_INCR_GUARD_SEED BIT_3
#define PO_DISABLE_INCR_REF_TAG BIT_5
#define PO_DISABLE_GUARD_CHECK BIT_4
/*
* ISP queue - 64-Bit addressing, continuation crc entry structure definition.
*/
struct crc_context {
uint32_t handle; /* System handle. */
uint32_t ref_tag;
uint16_t app_tag;
uint8_t ref_tag_mask[4]; /* Validation/Replacement Mask*/
uint8_t app_tag_mask[2]; /* Validation/Replacement Mask*/
uint16_t guard_seed; /* Initial Guard Seed */
uint16_t prot_opts; /* Requested Data Protection Mode */
uint16_t blk_size; /* Data size in bytes */
uint16_t runt_blk_guard; /* Guard value for runt block (tape
* only) */
uint32_t byte_count; /* Total byte count/ total data
* transfer count */
union {
struct {
uint32_t reserved_1;
uint16_t reserved_2;
uint16_t reserved_3;
uint32_t reserved_4;
uint32_t data_address[2];
uint32_t data_length;
uint32_t reserved_5[2];
uint32_t reserved_6;
} nobundling;
struct {
uint32_t dif_byte_count; /* Total DIF byte
* count */
uint16_t reserved_1;
uint16_t dseg_count; /* Data segment count */
uint32_t reserved_2;
uint32_t data_address[2];
uint32_t data_length;
uint32_t dif_address[2];
uint32_t dif_length; /* Data segment 0
* length */
} bundling;
} u;
struct fcp_cmnd fcp_cmnd;
dma_addr_t crc_ctx_dma;
/* List of DMA context transfers */
struct list_head dsd_list;
/* This structure should not exceed 512 bytes */
};
#define CRC_CONTEXT_LEN_FW (offsetof(struct crc_context, fcp_cmnd.lun))
#define CRC_CONTEXT_FCPCMND_OFF (offsetof(struct crc_context, fcp_cmnd.lun))
/* /*
* ISP queue - status entry structure definition. * ISP queue - status entry structure definition.
*/ */
...@@ -1390,6 +1466,7 @@ typedef struct { ...@@ -1390,6 +1466,7 @@ typedef struct {
#define CS_ABORTED 0x5 /* System aborted command. */ #define CS_ABORTED 0x5 /* System aborted command. */
#define CS_TIMEOUT 0x6 /* Timeout error. */ #define CS_TIMEOUT 0x6 /* Timeout error. */
#define CS_DATA_OVERRUN 0x7 /* Data overrun. */ #define CS_DATA_OVERRUN 0x7 /* Data overrun. */
#define CS_DIF_ERROR 0xC /* DIF error detected */
#define CS_DATA_UNDERRUN 0x15 /* Data Underrun. */ #define CS_DATA_UNDERRUN 0x15 /* Data Underrun. */
#define CS_QUEUE_FULL 0x1C /* Queue Full. */ #define CS_QUEUE_FULL 0x1C /* Queue Full. */
...@@ -2732,6 +2809,7 @@ typedef struct scsi_qla_host { ...@@ -2732,6 +2809,7 @@ typedef struct scsi_qla_host {
uint32_t management_server_logged_in :1; uint32_t management_server_logged_in :1;
uint32_t process_response_queue :1; uint32_t process_response_queue :1;
uint32_t difdix_supported:1;
} flags; } flags;
atomic_t loop_state; atomic_t loop_state;
...@@ -2883,6 +2961,8 @@ typedef struct scsi_qla_host { ...@@ -2883,6 +2961,8 @@ typedef struct scsi_qla_host {
#define OPTROM_BURST_SIZE 0x1000 #define OPTROM_BURST_SIZE 0x1000
#define OPTROM_BURST_DWORDS (OPTROM_BURST_SIZE / 4) #define OPTROM_BURST_DWORDS (OPTROM_BURST_SIZE / 4)
#define QLA_DSDS_PER_IOCB 37
#include "qla_gbl.h" #include "qla_gbl.h"
#include "qla_dbg.h" #include "qla_dbg.h"
#include "qla_inline.h" #include "qla_inline.h"
......
drivers/scsi/qla2xxx/qla_fw.h
View file @ bad75002
...@@ -400,6 +400,7 @@ struct cmd_type_6 { ...@@ -400,6 +400,7 @@ struct cmd_type_6 {
struct scsi_lun lun; /* FCP LUN (BE). */ struct scsi_lun lun; /* FCP LUN (BE). */
uint16_t control_flags; /* Control flags. */ uint16_t control_flags; /* Control flags. */
#define CF_DIF_SEG_DESCR_ENABLE BIT_3
#define CF_DATA_SEG_DESCR_ENABLE BIT_2 #define CF_DATA_SEG_DESCR_ENABLE BIT_2
#define CF_READ_DATA BIT_1 #define CF_READ_DATA BIT_1
#define CF_WRITE_DATA BIT_0 #define CF_WRITE_DATA BIT_0
...@@ -466,6 +467,43 @@ struct cmd_type_7 { ...@@ -466,6 +467,43 @@ struct cmd_type_7 {
uint32_t dseg_0_len; /* Data segment 0 length. */ uint32_t dseg_0_len; /* Data segment 0 length. */
}; };
#define COMMAND_TYPE_CRC_2 0x6A /* Command Type CRC_2 (Type 6)
* (T10-DIF) */
struct cmd_type_crc_2 {
uint8_t entry_type; /* Entry type. */
uint8_t entry_count; /* Entry count. */
uint8_t sys_define; /* System defined. */
uint8_t entry_status; /* Entry Status. */
uint32_t handle; /* System handle. */
uint16_t nport_handle; /* N_PORT handle. */
uint16_t timeout; /* Command timeout. */
uint16_t dseg_count; /* Data segment count. */
uint16_t fcp_rsp_dseg_len; /* FCP_RSP DSD length. */
struct scsi_lun lun; /* FCP LUN (BE). */
uint16_t control_flags; /* Control flags. */
uint16_t fcp_cmnd_dseg_len; /* Data segment length. */
uint32_t fcp_cmnd_dseg_address[2]; /* Data segment address. */
uint32_t fcp_rsp_dseg_address[2]; /* Data segment address. */
uint32_t byte_count; /* Total byte count. */
uint8_t port_id[3]; /* PortID of destination port. */
uint8_t vp_index;
uint32_t crc_context_address[2]; /* Data segment address. */
uint16_t crc_context_len; /* Data segment length. */
uint16_t reserved_1; /* MUST be set to 0. */
};
/* /*
* ISP queue - status entry structure definition. * ISP queue - status entry structure definition.
*/ */
...@@ -496,10 +534,17 @@ struct sts_entry_24xx { ...@@ -496,10 +534,17 @@ struct sts_entry_24xx {
uint32_t sense_len; /* FCP SENSE length. */ uint32_t sense_len; /* FCP SENSE length. */
uint32_t rsp_data_len; /* FCP response data length. */ uint32_t rsp_data_len; /* FCP response data length. */
uint8_t data[28]; /* FCP response/sense information. */ uint8_t data[28]; /* FCP response/sense information. */
/*
* If DIF Error is set in comp_status, these additional fields are
* defined:
* &data[10] : uint8_t report_runt_bg[2]; - computed guard
* &data[12] : uint8_t actual_dif[8]; - DIF Data recieved
* &data[20] : uint8_t expected_dif[8]; - DIF Data computed
*/
}; };
/* /*
* Status entry completion status * Status entry completion status
*/ */
......
drivers/scsi/qla2xxx/qla_gbl.h
View file @ bad75002
...@@ -94,6 +94,8 @@ extern int ql2xshiftctondsd; ...@@ -94,6 +94,8 @@ extern int ql2xshiftctondsd;
extern int ql2xdbwr; extern int ql2xdbwr;
extern int ql2xdontresethba; extern int ql2xdontresethba;
extern int ql2xasynctmfenable; extern int ql2xasynctmfenable;
extern int ql2xenabledif;
extern int ql2xenablehba_err_chk;
extern int qla2x00_loop_reset(scsi_qla_host_t *); extern int qla2x00_loop_reset(scsi_qla_host_t *);
extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int); extern void qla2x00_abort_all_cmds(scsi_qla_host_t *, int);
...@@ -179,6 +181,7 @@ extern int qla2x00_start_sp(srb_t *); ...@@ -179,6 +181,7 @@ extern int qla2x00_start_sp(srb_t *);
extern void qla2x00_ctx_sp_free(srb_t *); extern void qla2x00_ctx_sp_free(srb_t *);
extern uint16_t qla24xx_calc_iocbs(uint16_t); extern uint16_t qla24xx_calc_iocbs(uint16_t);
extern void qla24xx_build_scsi_iocbs(srb_t *, struct cmd_type_7 *, uint16_t); extern void qla24xx_build_scsi_iocbs(srb_t *, struct cmd_type_7 *, uint16_t);
extern int qla24xx_dif_start_scsi(srb_t *);
/* /*
...@@ -423,6 +426,7 @@ extern void qla25xx_fw_dump(scsi_qla_host_t *, int); ...@@ -423,6 +426,7 @@ extern void qla25xx_fw_dump(scsi_qla_host_t *, int);
extern void qla81xx_fw_dump(scsi_qla_host_t *, int); extern void qla81xx_fw_dump(scsi_qla_host_t *, int);
extern void qla2x00_dump_regs(scsi_qla_host_t *); extern void qla2x00_dump_regs(scsi_qla_host_t *);
extern void qla2x00_dump_buffer(uint8_t *, uint32_t); extern void qla2x00_dump_buffer(uint8_t *, uint32_t);
extern void qla2x00_dump_buffer_zipped(uint8_t *, uint32_t);
/* /*
* Global Function Prototypes in qla_gs.c source file. * Global Function Prototypes in qla_gs.c source file.
......
drivers/scsi/qla2xxx/qla_inline.h
View file @ bad75002
...@@ -67,3 +67,19 @@ qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id) ...@@ -67,3 +67,19 @@ qla2x00_is_reserved_id(scsi_qla_host_t *vha, uint16_t loop_id)
return ((loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) || return ((loop_id > ha->max_loop_id && loop_id < SNS_FIRST_LOOP_ID) ||
loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST); loop_id == MANAGEMENT_SERVER || loop_id == BROADCAST);
} }
static inline void
qla2x00_clean_dsd_pool(struct qla_hw_data *ha, srb_t *sp)
{
struct dsd_dma *dsd_ptr, *tdsd_ptr;
/* clean up allocated prev pool */
list_for_each_entry_safe(dsd_ptr, tdsd_ptr,
&((struct crc_context *)sp->ctx)->dsd_list, list) {
dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr,
dsd_ptr->dsd_list_dma);
list_del(&dsd_ptr->list);
kfree(dsd_ptr);
}
INIT_LIST_HEAD(&((struct crc_context *)sp->ctx)->dsd_list);
}
drivers/scsi/qla2xxx/qla_iocb.c
View file @ bad75002
...@@ -145,7 +145,49 @@ qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha) ...@@ -145,7 +145,49 @@ qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha)
return (cont_pkt); return (cont_pkt);
} }
/** static inline int
qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts)
{
uint8_t guard = scsi_host_get_guard(sp->cmd->device->host);
/* We only support T10 DIF right now */
if (guard != SHOST_DIX_GUARD_CRC) {
DEBUG2(printk(KERN_ERR "Unsupported guard: %d\n", guard));
return 0;
}
/* We always use DIFF Bundling for best performance */
*fw_prot_opts = 0;
/* Translate SCSI opcode to a protection opcode */
switch (scsi_get_prot_op(sp->cmd)) {
case SCSI_PROT_READ_STRIP:
*fw_prot_opts |= PO_MODE_DIF_REMOVE;
break;
case SCSI_PROT_WRITE_INSERT:
*fw_prot_opts |= PO_MODE_DIF_INSERT;
break;
case SCSI_PROT_READ_INSERT:
*fw_prot_opts |= PO_MODE_DIF_INSERT;
break;
case SCSI_PROT_WRITE_STRIP:
*fw_prot_opts |= PO_MODE_DIF_REMOVE;
break;
case SCSI_PROT_READ_PASS:
*fw_prot_opts |= PO_MODE_DIF_PASS;
break;
case SCSI_PROT_WRITE_PASS:
*fw_prot_opts |= PO_MODE_DIF_PASS;
break;
default: /* Normal Request */
*fw_prot_opts |= PO_MODE_DIF_PASS;
break;
}
return scsi_prot_sg_count(sp->cmd);
}
/*
* qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit * qla2x00_build_scsi_iocbs_32() - Build IOCB command utilizing 32bit
* capable IOCB types. * capable IOCB types.
* *
...@@ -636,6 +678,8 @@ qla24xx_calc_iocbs(uint16_t dsds) ...@@ -636,6 +678,8 @@ qla24xx_calc_iocbs(uint16_t dsds)
if ((dsds - 1) % 5) if ((dsds - 1) % 5)
iocbs++; iocbs++;
} }
DEBUG3(printk(KERN_DEBUG "%s(): Required PKT(s) = %d\n",
__func__, iocbs));
return iocbs; return iocbs;
} }
...@@ -716,6 +760,453 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt, ...@@ -716,6 +760,453 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt,
} }
} }
struct fw_dif_context {
uint32_t ref_tag;
uint16_t app_tag;
uint8_t ref_tag_mask[4]; /* Validation/Replacement Mask*/
uint8_t app_tag_mask[2]; /* Validation/Replacement Mask*/
};
/*
* qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command
*
*/
static inline void
qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt,
unsigned int protcnt)
{
struct sd_dif_tuple *spt;
unsigned char op = scsi_get_prot_op(cmd);
switch (scsi_get_prot_type(cmd)) {
/* For TYPE 0 protection: no checking */
case SCSI_PROT_DIF_TYPE0:
pkt->ref_tag_mask[0] = 0x00;
pkt->ref_tag_mask[1] = 0x00;
pkt->ref_tag_mask[2] = 0x00;
pkt->ref_tag_mask[3] = 0x00;
break;
/*
* For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to
* match LBA in CDB + N
*/
case SCSI_PROT_DIF_TYPE2:
break;
/* For Type 3 protection: 16 bit GUARD only */
case SCSI_PROT_DIF_TYPE3:
pkt->ref_tag_mask[0] = pkt->ref_tag_mask[1] =
pkt->ref_tag_mask[2] = pkt->ref_tag_mask[3] =
0x00;
break;
/*
* For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and
* 16 bit app tag.
*/
case SCSI_PROT_DIF_TYPE1:
if (!ql2xenablehba_err_chk)
break;
if (protcnt && (op == SCSI_PROT_WRITE_STRIP ||
op == SCSI_PROT_WRITE_PASS)) {
spt = page_address(sg_page(scsi_prot_sglist(cmd))) +
scsi_prot_sglist(cmd)[0].offset;
DEBUG18(printk(KERN_DEBUG
"%s(): LBA from user %p, lba = 0x%x\n",
__func__, spt, (int)spt->ref_tag));
pkt->ref_tag = swab32(spt->ref_tag);
pkt->app_tag_mask[0] = 0x0;
pkt->app_tag_mask[1] = 0x0;
} else {
pkt->ref_tag = cpu_to_le32((uint32_t)
(0xffffffff & scsi_get_lba(cmd)));
pkt->app_tag = __constant_cpu_to_le16(0);
pkt->app_tag_mask[0] = 0x0;
pkt->app_tag_mask[1] = 0x0;
}
/* enable ALL bytes of the ref tag */
pkt->ref_tag_mask[0] = 0xff;
pkt->ref_tag_mask[1] = 0xff;
pkt->ref_tag_mask[2] = 0xff;
pkt->ref_tag_mask[3] = 0xff;
break;
}
DEBUG18(printk(KERN_DEBUG
"%s(): Setting protection Tags: (BIG) ref tag = 0x%x,"
" app tag = 0x%x, prot SG count %d , cmd lba 0x%x,"
" prot_type=%u\n", __func__, pkt->ref_tag, pkt->app_tag, protcnt,
(int)scsi_get_lba(cmd), scsi_get_prot_type(cmd)));
}
static int
qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd,
uint16_t tot_dsds)
{
void *next_dsd;
uint8_t avail_dsds = 0;
uint32_t dsd_list_len;
struct dsd_dma *dsd_ptr;
struct scatterlist *sg;
uint32_t *cur_dsd = dsd;
int i;
uint16_t used_dsds = tot_dsds;
uint8_t *cp;
scsi_for_each_sg(sp->cmd, sg, tot_dsds, i) {
dma_addr_t sle_dma;
/* Allocate additional continuation packets? */
if (avail_dsds == 0) {
avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
QLA_DSDS_PER_IOCB : used_dsds;
dsd_list_len = (avail_dsds + 1) * 12;
used_dsds -= avail_dsds;
/* allocate tracking DS */
dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
if (!dsd_ptr)
return 1;
/* allocate new list */
dsd_ptr->dsd_addr = next_dsd =
dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
&dsd_ptr->dsd_list_dma);
if (!next_dsd) {
/*
* Need to cleanup only this dsd_ptr, rest
* will be done by sp_free_dma()
*/
kfree(dsd_ptr);
return 1;
}
list_add_tail(&dsd_ptr->list,
&((struct crc_context *)sp->ctx)->dsd_list);
sp->flags |= SRB_CRC_CTX_DSD_VALID;
/* add new list to cmd iocb or last list */
*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
*cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
*cur_dsd++ = dsd_list_len;
cur_dsd = (uint32_t *)next_dsd;
}
sle_dma = sg_dma_address(sg);
DEBUG18(printk("%s(): %p, sg entry %d - addr =0x%x 0x%x,"
" len =%d\n", __func__ , cur_dsd, i, LSD(sle_dma),
MSD(sle_dma), sg_dma_len(sg)));
*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
*cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
avail_dsds--;
if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) {
cp = page_address(sg_page(sg)) + sg->offset;
DEBUG18(printk("%s(): User Data buffer= %p:\n",
__func__ , cp));
}
}
/* Null termination */
*cur_dsd++ = 0;
*cur_dsd++ = 0;
*cur_dsd++ = 0;
return 0;
}
static int
qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp,
uint32_t *dsd,
uint16_t tot_dsds)
{
void *next_dsd;
uint8_t avail_dsds = 0;
uint32_t dsd_list_len;
struct dsd_dma *dsd_ptr;
struct scatterlist *sg;
int i;
struct scsi_cmnd *cmd;
uint32_t *cur_dsd = dsd;
uint16_t used_dsds = tot_dsds;
uint8_t *cp;
cmd = sp->cmd;
scsi_for_each_prot_sg(cmd, sg, tot_dsds, i) {
dma_addr_t sle_dma;
/* Allocate additional continuation packets? */
if (avail_dsds == 0) {
avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ?
QLA_DSDS_PER_IOCB : used_dsds;
dsd_list_len = (avail_dsds + 1) * 12;
used_dsds -= avail_dsds;
/* allocate tracking DS */
dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC);
if (!dsd_ptr)
return 1;
/* allocate new list */
dsd_ptr->dsd_addr = next_dsd =
dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC,
&dsd_ptr->dsd_list_dma);
if (!next_dsd) {
/*
* Need to cleanup only this dsd_ptr, rest
* will be done by sp_free_dma()
*/
kfree(dsd_ptr);
return 1;
}
list_add_tail(&dsd_ptr->list,
&((struct crc_context *)sp->ctx)->dsd_list);
sp->flags |= SRB_CRC_CTX_DSD_VALID;
/* add new list to cmd iocb or last list */
*cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma));
*cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma));
*cur_dsd++ = dsd_list_len;
cur_dsd = (uint32_t *)next_dsd;
}
sle_dma = sg_dma_address(sg);
if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) {
DEBUG18(printk(KERN_DEBUG
"%s(): %p, sg entry %d - addr =0x%x"
"0x%x, len =%d\n", __func__ , cur_dsd, i,
LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg)));
}
*cur_dsd++ = cpu_to_le32(LSD(sle_dma));
*cur_dsd++ = cpu_to_le32(MSD(sle_dma));
*cur_dsd++ = cpu_to_le32(sg_dma_len(sg));
if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) {
cp = page_address(sg_page(sg)) + sg->offset;
DEBUG18(printk("%s(): Protection Data buffer = %p:\n",
__func__ , cp));
}
avail_dsds--;
}
/* Null termination */
*cur_dsd++ = 0;
*cur_dsd++ = 0;
*cur_dsd++ = 0;
return 0;
}
/**
* qla24xx_build_scsi_crc_2_iocbs() - Build IOCB command utilizing Command
* Type 6 IOCB types.
*
* @sp: SRB command to process
* @cmd_pkt: Command type 3 IOCB
* @tot_dsds: Total number of segments to transfer
*/
static inline int
qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt,
uint16_t tot_dsds, uint16_t tot_prot_dsds, uint16_t fw_prot_opts)
{
uint32_t *cur_dsd, *fcp_dl;
scsi_qla_host_t *vha;
struct scsi_cmnd *cmd;
struct scatterlist *cur_seg;
int sgc;
uint32_t total_bytes;
uint32_t data_bytes;
uint32_t dif_bytes;
uint8_t bundling = 1;
uint16_t blk_size;
uint8_t *clr_ptr;
struct crc_context *crc_ctx_pkt = NULL;
struct qla_hw_data *ha;
uint8_t additional_fcpcdb_len;
uint16_t fcp_cmnd_len;
struct fcp_cmnd *fcp_cmnd;
dma_addr_t crc_ctx_dma;
cmd = sp->cmd;
sgc = 0;
/* Update entry type to indicate Command Type CRC_2 IOCB */
*((uint32_t *)(&cmd_pkt->entry_type)) =
__constant_cpu_to_le32(COMMAND_TYPE_CRC_2);
/* No data transfer */
data_bytes = scsi_bufflen(cmd);
if (!data_bytes || cmd->sc_data_direction == DMA_NONE) {
DEBUG18(printk(KERN_INFO "%s: Zero data bytes or DMA-NONE %d\n",
__func__, data_bytes));
cmd_pkt->byte_count = __constant_cpu_to_le32(0);
return QLA_SUCCESS;
}
vha = sp->fcport->vha;
ha = vha->hw;
DEBUG18(printk(KERN_DEBUG
"%s(%ld): Executing cmd sp %p, pid=%ld, prot_op=%u.\n", __func__,
vha->host_no, sp, cmd->serial_number, scsi_get_prot_op(sp->cmd)));
cmd_pkt->vp_index = sp->fcport->vp_idx;
/* Set transfer direction */
if (cmd->sc_data_direction == DMA_TO_DEVICE) {
cmd_pkt->control_flags =
__constant_cpu_to_le16(CF_WRITE_DATA);
} else if (cmd->sc_data_direction == DMA_FROM_DEVICE) {
cmd_pkt->control_flags =
__constant_cpu_to_le16(CF_READ_DATA);
}
tot_prot_dsds = scsi_prot_sg_count(cmd);
if (!tot_prot_dsds)
bundling = 0;
/* Allocate CRC context from global pool */
crc_ctx_pkt = sp->ctx = dma_pool_alloc(ha->dl_dma_pool,
GFP_ATOMIC, &crc_ctx_dma);
if (!crc_ctx_pkt)
goto crc_queuing_error;
/* Zero out CTX area. */
clr_ptr = (uint8_t *)crc_ctx_pkt;
memset(clr_ptr, 0, sizeof(*crc_ctx_pkt));
crc_ctx_pkt->crc_ctx_dma = crc_ctx_dma;
sp->flags |= SRB_CRC_CTX_DMA_VALID;
/* Set handle */
crc_ctx_pkt->handle = cmd_pkt->handle;
INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list);
qla24xx_set_t10dif_tags(cmd, (struct fw_dif_context *)
&crc_ctx_pkt->ref_tag, tot_prot_dsds);
cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma));
cmd_pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma));
cmd_pkt->crc_context_len = CRC_CONTEXT_LEN_FW;
/* Determine SCSI command length -- align to 4 byte boundary */
if (cmd->cmd_len > 16) {
DEBUG18(printk(KERN_INFO "%s(): **** SCSI CMD > 16\n",
__func__));
additional_fcpcdb_len = cmd->cmd_len - 16;
if ((cmd->cmd_len % 4) != 0) {
/* SCSI cmd > 16 bytes must be multiple of 4 */
goto crc_queuing_error;
}
fcp_cmnd_len = 12 + cmd->cmd_len + 4;
} else {
additional_fcpcdb_len = 0;
fcp_cmnd_len = 12 + 16 + 4;
}
fcp_cmnd = &crc_ctx_pkt->fcp_cmnd;
fcp_cmnd->additional_cdb_len = additional_fcpcdb_len;
if (cmd->sc_data_direction == DMA_TO_DEVICE)
fcp_cmnd->additional_cdb_len |= 1;
else if (cmd->sc_data_direction == DMA_FROM_DEVICE)
fcp_cmnd->additional_cdb_len |= 2;
int_to_scsilun(sp->cmd->device->lun, &fcp_cmnd->lun);
memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len);
cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32(
LSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF));
cmd_pkt->fcp_cmnd_dseg_address[1] = cpu_to_le32(
MSD(crc_ctx_dma + CRC_CONTEXT_FCPCMND_OFF));
fcp_cmnd->task_attribute = 0;
fcp_cmnd->task_managment = 0;
cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */
DEBUG18(printk(KERN_INFO "%s(%ld): Total SG(s) Entries %d, Data"
"entries %d, data bytes %d, Protection entries %d\n",
__func__, vha->host_no, tot_dsds, (tot_dsds-tot_prot_dsds),
data_bytes, tot_prot_dsds));
/* Compute dif len and adjust data len to incude protection */
total_bytes = data_bytes;
dif_bytes = 0;
blk_size = cmd->device->sector_size;
if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE1) {
dif_bytes = (data_bytes / blk_size) * 8;
total_bytes += dif_bytes;
}
if (!ql2xenablehba_err_chk)
fw_prot_opts |= 0x10; /* Disable Guard tag checking */
if (!bundling) {
cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address;
} else {
/*
* Configure Bundling if we need to fetch interlaving
* protection PCI accesses
*/
fw_prot_opts |= PO_ENABLE_DIF_BUNDLING;
crc_ctx_pkt->u.bundling.dif_byte_count = cpu_to_le32(dif_bytes);
crc_ctx_pkt->u.bundling.dseg_count = cpu_to_le16(tot_dsds -
tot_prot_dsds);
cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.data_address;
}
/* Finish the common fields of CRC pkt */
crc_ctx_pkt->blk_size = cpu_to_le16(blk_size);
crc_ctx_pkt->prot_opts = cpu_to_le16(fw_prot_opts);
crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes);
crc_ctx_pkt->guard_seed = __constant_cpu_to_le16(0);
/* Fibre channel byte count */
cmd_pkt->byte_count = cpu_to_le32(total_bytes);
fcp_dl = (uint32_t *)(crc_ctx_pkt->fcp_cmnd.cdb + 16 +
additional_fcpcdb_len);
*fcp_dl = htonl(total_bytes);
DEBUG18(printk(KERN_INFO "%s(%ld): dif bytes = 0x%x (%d), total bytes"
" = 0x%x (%d), dat block size =0x%x (%d)\n", __func__,
vha->host_no, dif_bytes, dif_bytes, total_bytes, total_bytes,
crc_ctx_pkt->blk_size, crc_ctx_pkt->blk_size));
/* Walks data segments */
cmd_pkt->control_flags |=
__constant_cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE);
if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd,
(tot_dsds - tot_prot_dsds)))
goto crc_queuing_error;
if (bundling && tot_prot_dsds) {
/* Walks dif segments */
cur_seg = scsi_prot_sglist(cmd);
cmd_pkt->control_flags |=
__constant_cpu_to_le16(CF_DIF_SEG_DESCR_ENABLE);
cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address;
if (qla24xx_walk_and_build_prot_sglist(ha, sp, cur_dsd,
tot_prot_dsds))
goto crc_queuing_error;
}
return QLA_SUCCESS;
crc_queuing_error:
DEBUG18(qla_printk(KERN_INFO, ha,
"CMD sent FAILED crc_q error:sp = %p\n", sp));
/* Cleanup will be performed by the caller */
return QLA_FUNCTION_FAILED;
}
/** /**
* qla24xx_start_scsi() - Send a SCSI command to the ISP * qla24xx_start_scsi() - Send a SCSI command to the ISP
...@@ -869,6 +1360,191 @@ qla24xx_start_scsi(srb_t *sp) ...@@ -869,6 +1360,191 @@ qla24xx_start_scsi(srb_t *sp)
return QLA_FUNCTION_FAILED; return QLA_FUNCTION_FAILED;
} }
/**
* qla24xx_dif_start_scsi() - Send a SCSI command to the ISP
* @sp: command to send to the ISP
*
* Returns non-zero if a failure occurred, else zero.
*/
int
qla24xx_dif_start_scsi(srb_t *sp)
{
int nseg;
unsigned long flags;
uint32_t *clr_ptr;
uint32_t index;
uint32_t handle;
uint16_t cnt;
uint16_t req_cnt = 0;
uint16_t tot_dsds;
uint16_t tot_prot_dsds;
uint16_t fw_prot_opts = 0;
struct req_que *req = NULL;
struct rsp_que *rsp = NULL;
struct scsi_cmnd *cmd = sp->cmd;
struct scsi_qla_host *vha = sp->fcport->vha;
struct qla_hw_data *ha = vha->hw;
struct cmd_type_crc_2 *cmd_pkt;
uint32_t status = 0;
#define QDSS_GOT_Q_SPACE BIT_0
/* Only process protection in this routine */
if (scsi_get_prot_op(cmd) == SCSI_PROT_NORMAL)
return qla24xx_start_scsi(sp);
/* Setup device pointers. */
qla25xx_set_que(sp, &rsp);
req = vha->req;
/* So we know we haven't pci_map'ed anything yet */
tot_dsds = 0;
/* Send marker if required */
if (vha->marker_needed != 0) {
if (qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL) !=
QLA_SUCCESS)
return QLA_FUNCTION_FAILED;
vha->marker_needed = 0;
}
/* Acquire ring specific lock */
spin_lock_irqsave(&ha->hardware_lock, flags);
/* Check for room in outstanding command list. */
handle = req->current_outstanding_cmd;
for (index = 1; index < MAX_OUTSTANDING_COMMANDS; index++) {
handle++;
if (handle == MAX_OUTSTANDING_COMMANDS)
handle = 1;
if (!req->outstanding_cmds[handle])
break;
}
if (index == MAX_OUTSTANDING_COMMANDS)
goto queuing_error;
/* Compute number of required data segments */
/* Map the sg table so we have an accurate count of sg entries needed */
if (scsi_sg_count(cmd)) {
nseg = dma_map_sg(&ha->pdev->dev, scsi_sglist(cmd),
scsi_sg_count(cmd), cmd->sc_data_direction);
if (unlikely(!nseg))
goto queuing_error;
else
sp->flags |= SRB_DMA_VALID;
} else
nseg = 0;
/* number of required data segments */
tot_dsds = nseg;
/* Compute number of required protection segments */
if (qla24xx_configure_prot_mode(sp, &fw_prot_opts)) {
nseg = dma_map_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
scsi_prot_sg_count(cmd), cmd->sc_data_direction);
if (unlikely(!nseg))
goto queuing_error;
else
sp->flags |= SRB_CRC_PROT_DMA_VALID;
} else {
nseg = 0;
}
req_cnt = 1;
/* Total Data and protection sg segment(s) */
tot_prot_dsds = nseg;
tot_dsds += nseg;
if (req->cnt < (req_cnt + 2)) {
cnt = RD_REG_DWORD_RELAXED(req->req_q_out);
if (req->ring_index < cnt)
req->cnt = cnt - req->ring_index;
else
req->cnt = req->length -
(req->ring_index - cnt);
}
if (req->cnt < (req_cnt + 2))
goto queuing_error;
status |= QDSS_GOT_Q_SPACE;
/* Build header part of command packet (excluding the OPCODE). */
req->current_outstanding_cmd = handle;
req->outstanding_cmds[handle] = sp;
sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle;
req->cnt -= req_cnt;
/* Fill-in common area */
cmd_pkt = (struct cmd_type_crc_2 *)req->ring_ptr;
cmd_pkt->handle = MAKE_HANDLE(req->id, handle);
clr_ptr = (uint32_t *)cmd_pkt + 2;
memset(clr_ptr, 0, REQUEST_ENTRY_SIZE - 8);
/* Set NPORT-ID and LUN number*/
cmd_pkt->nport_handle = cpu_to_le16(sp->fcport->loop_id);
cmd_pkt->port_id[0] = sp->fcport->d_id.b.al_pa;
cmd_pkt->port_id[1] = sp->fcport->d_id.b.area;
cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain;
int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun);
host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun));
/* Total Data and protection segment(s) */
cmd_pkt->dseg_count = cpu_to_le16(tot_dsds);
/* Build IOCB segments and adjust for data protection segments */
if (qla24xx_build_scsi_crc_2_iocbs(sp, (struct cmd_type_crc_2 *)
req->ring_ptr, tot_dsds, tot_prot_dsds, fw_prot_opts) !=
QLA_SUCCESS)
goto queuing_error;
cmd_pkt->entry_count = (uint8_t)req_cnt;
/* Specify response queue number where completion should happen */
cmd_pkt->entry_status = (uint8_t) rsp->id;
cmd_pkt->timeout = __constant_cpu_to_le16(0);
wmb();
/* Adjust ring index. */
req->ring_index++;
if (req->ring_index == req->length) {
req->ring_index = 0;
req->ring_ptr = req->ring;
} else
req->ring_ptr++;
/* Set chip new ring index. */
WRT_REG_DWORD(req->req_q_in, req->ring_index);
RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr);
/* Manage unprocessed RIO/ZIO commands in response queue. */
if (vha->flags.process_response_queue &&
rsp->ring_ptr->signature != RESPONSE_PROCESSED)
qla24xx_process_response_queue(vha, rsp);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return QLA_SUCCESS;
queuing_error:
if (status & QDSS_GOT_Q_SPACE) {
req->outstanding_cmds[handle] = NULL;
req->cnt += req_cnt;
}
/* Cleanup will be performed by the caller (queuecommand) */
spin_unlock_irqrestore(&ha->hardware_lock, flags);
DEBUG18(qla_printk(KERN_INFO, ha,
"CMD sent FAILED SCSI prot_op:%02x\n", scsi_get_prot_op(cmd)));
return QLA_FUNCTION_FAILED;
}
static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp) static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp)
{ {
struct scsi_cmnd *cmd = sp->cmd; struct scsi_cmnd *cmd = sp->cmd;
......
drivers/scsi/qla2xxx/qla_isr.c
View file @ bad75002
...@@ -10,6 +10,7 @@ ...@@ -10,6 +10,7 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <scsi/scsi_tcq.h> #include <scsi/scsi_tcq.h>
#include <scsi/scsi_bsg_fc.h> #include <scsi/scsi_bsg_fc.h>
#include <scsi/scsi_eh.h>
static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t); static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
static void qla2x00_process_completed_request(struct scsi_qla_host *, static void qla2x00_process_completed_request(struct scsi_qla_host *,
...@@ -1364,6 +1365,78 @@ qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len, ...@@ -1364,6 +1365,78 @@ qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t sense_len,
DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len)); DEBUG5(qla2x00_dump_buffer(cp->sense_buffer, sense_len));
} }
struct scsi_dif_tuple {
__be16 guard; /* Checksum */
__be16 app_tag; /* APPL identifer */
__be32 ref_tag; /* Target LBA or indirect LBA */
};
/*
* Checks the guard or meta-data for the type of error
* detected by the HBA. In case of errors, we set the
* ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
* to indicate to the kernel that the HBA detected error.
*/
static inline void
qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
{
struct scsi_cmnd *cmd = sp->cmd;
struct scsi_dif_tuple *ep =
(struct scsi_dif_tuple *)&sts24->data[20];
struct scsi_dif_tuple *ap =
(struct scsi_dif_tuple *)&sts24->data[12];
uint32_t e_ref_tag, a_ref_tag;
uint16_t e_app_tag, a_app_tag;
uint16_t e_guard, a_guard;
e_ref_tag = be32_to_cpu(ep->ref_tag);
a_ref_tag = be32_to_cpu(ap->ref_tag);
e_app_tag = be16_to_cpu(ep->app_tag);
a_app_tag = be16_to_cpu(ap->app_tag);
e_guard = be16_to_cpu(ep->guard);
a_guard = be16_to_cpu(ap->guard);
DEBUG18(printk(KERN_DEBUG
"%s(): iocb(s) %p Returned STATUS\n", __func__, sts24));
DEBUG18(printk(KERN_ERR "DIF ERROR in cmd 0x%x lba 0x%llx act ref"
" tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
" tag=0x%x, act guard=0x%x, exp guard=0x%x\n",
cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
a_app_tag, e_app_tag, a_guard, e_guard));
/* check guard */
if (e_guard != a_guard) {
scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
0x10, 0x1);
set_driver_byte(cmd, DRIVER_SENSE);
set_host_byte(cmd, DID_ABORT);
cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
return;
}
/* check appl tag */
if (e_app_tag != a_app_tag) {
scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
0x10, 0x2);
set_driver_byte(cmd, DRIVER_SENSE);
set_host_byte(cmd, DID_ABORT);
cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
return;
}
/* check ref tag */
if (e_ref_tag != a_ref_tag) {
scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST,
0x10, 0x3);
set_driver_byte(cmd, DRIVER_SENSE);
set_host_byte(cmd, DID_ABORT);
cmd->result |= SAM_STAT_CHECK_CONDITION << 1;
return;
}
}
/** /**
* qla2x00_status_entry() - Process a Status IOCB entry. * qla2x00_status_entry() - Process a Status IOCB entry.
* @ha: SCSI driver HA context * @ha: SCSI driver HA context
...@@ -1630,6 +1703,10 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) ...@@ -1630,6 +1703,10 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
case CS_ABORTED: case CS_ABORTED:
cp->result = DID_RESET << 16; cp->result = DID_RESET << 16;
break; break;
case CS_DIF_ERROR:
qla2x00_handle_dif_error(sp, sts24);
break;
default: default:
cp->result = DID_ERROR << 16; cp->result = DID_ERROR << 16;
break; break;
......
drivers/scsi/qla2xxx/qla_os.c
View file @ bad75002
...@@ -92,6 +92,19 @@ module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR); ...@@ -92,6 +92,19 @@ module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth, MODULE_PARM_DESC(ql2xmaxqdepth,
"Maximum queue depth to report for target devices."); "Maximum queue depth to report for target devices.");
/* Do not change the value of this after module load */
int ql2xenabledif = 1;
module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xenabledif,
" Enable T10-CRC-DIF "
" Default is 0 - No DIF Support. 1 - Enable it");
int ql2xenablehba_err_chk;
module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xenablehba_err_chk,
" Enable T10-CRC-DIF Error isolation by HBA"
" Default is 0 - Error isolation disabled, 1 - Enable it");
int ql2xiidmaenable=1; int ql2xiidmaenable=1;
module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR); module_param(ql2xiidmaenable, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xiidmaenable, MODULE_PARM_DESC(ql2xiidmaenable,
...@@ -537,6 +550,14 @@ qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)) ...@@ -537,6 +550,14 @@ qla2xxx_queuecommand(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *))
if (fcport->drport) if (fcport->drport)
goto qc24_target_busy; goto qc24_target_busy;
if (!vha->flags.difdix_supported &&
scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
DEBUG2(qla_printk(KERN_ERR, ha,
"DIF Cap Not Reg, fail DIF capable cmd's:%x\n",
cmd->cmnd[0]));
cmd->result = DID_NO_CONNECT << 16;
goto qc24_fail_command;
}
if (atomic_read(&fcport->state) != FCS_ONLINE) { if (atomic_read(&fcport->state) != FCS_ONLINE) {
if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
atomic_read(&base_vha->loop_state) == LOOP_DEAD) { atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
...@@ -776,7 +797,8 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) ...@@ -776,7 +797,8 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
if (sp == NULL) if (sp == NULL)
continue; continue;
if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID)) if ((sp->ctx) && !(sp->flags & SRB_FCP_CMND_DMA_VALID) &&
!IS_PROT_IO(sp))
continue; continue;
if (sp->cmd != cmd) if (sp->cmd != cmd)
continue; continue;
...@@ -842,7 +864,7 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, ...@@ -842,7 +864,7 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
sp = req->outstanding_cmds[cnt]; sp = req->outstanding_cmds[cnt];
if (!sp) if (!sp)
continue; continue;
if (sp->ctx) if ((sp->ctx) && !IS_PROT_IO(sp))
continue; continue;
if (vha->vp_idx != sp->fcport->vha->vp_idx) if (vha->vp_idx != sp->fcport->vha->vp_idx)
continue; continue;
...@@ -1189,7 +1211,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) ...@@ -1189,7 +1211,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
if (sp) { if (sp) {
req->outstanding_cmds[cnt] = NULL; req->outstanding_cmds[cnt] = NULL;
if (!sp->ctx || if (!sp->ctx ||
(sp->flags & SRB_FCP_CMND_DMA_VALID)) { (sp->flags & SRB_FCP_CMND_DMA_VALID) ||
IS_PROT_IO(sp)) {
sp->cmd->result = res; sp->cmd->result = res;
qla2x00_sp_compl(ha, sp); qla2x00_sp_compl(ha, sp);
} else { } else {
...@@ -1553,7 +1576,7 @@ static struct isp_operations qla25xx_isp_ops = { ...@@ -1553,7 +1576,7 @@ static struct isp_operations qla25xx_isp_ops = {
.read_optrom = qla25xx_read_optrom_data, .read_optrom = qla25xx_read_optrom_data,
.write_optrom = qla24xx_write_optrom_data, .write_optrom = qla24xx_write_optrom_data,
.get_flash_version = qla24xx_get_flash_version, .get_flash_version = qla24xx_get_flash_version,
.start_scsi = qla24xx_start_scsi, .start_scsi = qla24xx_dif_start_scsi,
.abort_isp = qla2x00_abort_isp, .abort_isp = qla2x00_abort_isp,
}; };
...@@ -2185,6 +2208,22 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ...@@ -2185,6 +2208,22 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n", DEBUG2(printk("DEBUG: detect hba %ld at address = %p\n",
base_vha->host_no, ha)); base_vha->host_no, ha));
if (IS_QLA25XX(ha) && ql2xenabledif) {
if (ha->fw_attributes & BIT_4) {
base_vha->flags.difdix_supported = 1;
DEBUG18(qla_printk(KERN_INFO, ha,
"Registering for DIF/DIX type 1 and 3"
" protection.\n"));
scsi_host_set_prot(host,
SHOST_DIF_TYPE1_PROTECTION
| SHOST_DIF_TYPE3_PROTECTION
| SHOST_DIX_TYPE1_PROTECTION
| SHOST_DIX_TYPE3_PROTECTION);
scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
} else
base_vha->flags.difdix_supported = 0;
}
ha->isp_ops->enable_intrs(ha); ha->isp_ops->enable_intrs(ha);
ret = scsi_add_host(host, &pdev->dev); ret = scsi_add_host(host, &pdev->dev);
...@@ -2546,7 +2585,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, ...@@ -2546,7 +2585,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
if (!ha->s_dma_pool) if (!ha->s_dma_pool)
goto fail_free_nvram; goto fail_free_nvram;
if (IS_QLA82XX(ha)) { if (IS_QLA82XX(ha) || ql2xenabledif) {
ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev, ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
DSD_LIST_DMA_POOL_SIZE, 8, 0); DSD_LIST_DMA_POOL_SIZE, 8, 0);
if (!ha->dl_dma_pool) { if (!ha->dl_dma_pool) {
...@@ -2678,12 +2717,12 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, ...@@ -2678,12 +2717,12 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
ha->ms_iocb = NULL; ha->ms_iocb = NULL;
ha->ms_iocb_dma = 0; ha->ms_iocb_dma = 0;
fail_dma_pool: fail_dma_pool:
if (IS_QLA82XX(ha)) { if (IS_QLA82XX(ha) || ql2xenabledif) {
dma_pool_destroy(ha->fcp_cmnd_dma_pool); dma_pool_destroy(ha->fcp_cmnd_dma_pool);
ha->fcp_cmnd_dma_pool = NULL; ha->fcp_cmnd_dma_pool = NULL;
} }
fail_dl_dma_pool: fail_dl_dma_pool:
if (IS_QLA82XX(ha)) { if (IS_QLA82XX(ha) || ql2xenabledif) {
dma_pool_destroy(ha->dl_dma_pool); dma_pool_destroy(ha->dl_dma_pool);
ha->dl_dma_pool = NULL; ha->dl_dma_pool = NULL;
} }
...@@ -3346,11 +3385,31 @@ static void ...@@ -3346,11 +3385,31 @@ static void
qla2x00_sp_free_dma(srb_t *sp) qla2x00_sp_free_dma(srb_t *sp)
{ {
struct scsi_cmnd *cmd = sp->cmd; struct scsi_cmnd *cmd = sp->cmd;
struct qla_hw_data *ha = sp->fcport->vha->hw;
if (sp->flags & SRB_DMA_VALID) { if (sp->flags & SRB_DMA_VALID) {
scsi_dma_unmap(cmd); scsi_dma_unmap(cmd);
sp->flags &= ~SRB_DMA_VALID; sp->flags &= ~SRB_DMA_VALID;
} }
if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
scsi_prot_sg_count(cmd), cmd->sc_data_direction);
sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
}
if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
/* List assured to be having elements */
qla2x00_clean_dsd_pool(ha, sp);
sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
}
if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
dma_pool_free(ha->dl_dma_pool, sp->ctx,
((struct crc_context *)sp->ctx)->crc_ctx_dma);
sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
}
CMD_SP(cmd) = NULL; CMD_SP(cmd) = NULL;
} }
...@@ -3464,7 +3523,7 @@ qla2x00_timer(scsi_qla_host_t *vha) ...@@ -3464,7 +3523,7 @@ qla2x00_timer(scsi_qla_host_t *vha)
sp = req->outstanding_cmds[index]; sp = req->outstanding_cmds[index];
if (!sp) if (!sp)
continue; continue;
if (sp->ctx) if (sp->ctx && !IS_PROT_IO(sp))
continue; continue;
sfcp = sp->fcport; sfcp = sp->fcport;
if (!(sfcp->flags & FCF_FCP2_DEVICE)) if (!(sfcp->flags & FCF_FCP2_DEVICE))
......
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