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scsi: aacraid: split off functions to generate reset FIB 

Split off reset FIB generation into separate functions.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Raghava Aditya Renukunta  <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2017-06-30 19:18:06 +02:00 committed by Martin K. Petersen
parent aae4e7a8bc
commit 5115c8c01d
1 changed files with 50 additions and 33 deletions
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83
drivers/scsi/aacraid/linit.c
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@ -814,6 +814,52 @@ static int aac_eh_abort(struct scsi_cmnd* cmd)
return ret;
}
static u8 aac_eh_tmf_lun_reset_fib(struct aac_dev *aac, struct fib *fib,
int bus, int cid, u64 tmf_lun)
{
struct aac_hba_tm_req *tmf;
u64 address;
/* start a HBA_TMF_LUN_RESET TMF request */
tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
memset(tmf, 0, sizeof(*tmf));
tmf->tmf = HBA_TMF_LUN_RESET;
tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
int_to_scsilun(tmf_lun, (struct scsi_lun *)tmf->lun);
address = (u64)fib->hw_error_pa;
tmf->error_ptr_hi = cpu_to_le32
((u32)(address >> 32));
tmf->error_ptr_lo = cpu_to_le32
((u32)(address & 0xffffffff));
tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
fib->hbacmd_size = sizeof(*tmf);
return HBA_IU_TYPE_SCSI_TM_REQ;
}
static u8 aac_eh_tmf_hard_reset_fib(struct aac_dev *aac, struct fib *fib,
int bus, int cid)
{
struct aac_hba_reset_req *rst;
u64 address;
/* already tried, start a hard reset now */
rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
memset(rst, 0, sizeof(*rst));
/* reset_type is already zero... */
rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
address = (u64)fib->hw_error_pa;
rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
rst->error_ptr_lo = cpu_to_le32
((u32)(address & 0xffffffff));
rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
fib->hbacmd_size = sizeof(*rst);
return HBA_IU_TYPE_SATA_REQ;
}
/*
* aac_eh_reset - Reset command handling
* @scsi_cmd: SCSI command block causing the reset
@ -840,7 +886,6 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
aac->hba_map[bus][cid].devtype == AAC_DEVTYPE_NATIVE_RAW) {
struct fib *fib;
int status;
u64 address;
u8 command;
pr_err("%s: Host adapter reset request. SCSI hang ?\n",
@ -852,42 +897,14 @@ static int aac_eh_reset(struct scsi_cmnd* cmd)
if (aac->hba_map[bus][cid].reset_state == 0) {
struct aac_hba_tm_req *tmf;
/* start a HBA_TMF_LUN_RESET TMF request */
tmf = (struct aac_hba_tm_req *)fib->hw_fib_va;
memset(tmf, 0, sizeof(*tmf));
tmf->tmf = HBA_TMF_LUN_RESET;
tmf->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
tmf->lun[1] = cmd->device->lun;
address = (u64)fib->hw_error_pa;
tmf->error_ptr_hi = cpu_to_le32
((u32)(address >> 32));
tmf->error_ptr_lo = cpu_to_le32
((u32)(address & 0xffffffff));
tmf->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
fib->hbacmd_size = sizeof(*tmf);
command = HBA_IU_TYPE_SCSI_TM_REQ;
command = aac_eh_tmf_lun_reset_fib(aac, fib,
bus, cid,
cmd->device->lun);
aac->hba_map[bus][cid].reset_state++;
} else if (aac->hba_map[bus][cid].reset_state >= 1) {
struct aac_hba_reset_req *rst;
/* already tried, start a hard reset now */
rst = (struct aac_hba_reset_req *)fib->hw_fib_va;
memset(rst, 0, sizeof(*rst));
/* reset_type is already zero... */
rst->it_nexus = aac->hba_map[bus][cid].rmw_nexus;
address = (u64)fib->hw_error_pa;
rst->error_ptr_hi = cpu_to_le32((u32)(address >> 32));
rst->error_ptr_lo = cpu_to_le32
((u32)(address & 0xffffffff));
rst->error_length = cpu_to_le32(FW_ERROR_BUFFER_SIZE);
fib->hbacmd_size = sizeof(*rst);
command = HBA_IU_TYPE_SATA_REQ;
command = aac_eh_tmf_hard_reset_fib(aac, fib, bus, cid);
aac->hba_map[bus][cid].reset_state = 0;
}
cmd->SCp.sent_command = 0;