diff options
| author | Ching Huang <ching2048@areca.com.tw> | 2017-12-05 09:44:23 +0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-12-06 19:32:40 -0500 |
| commit | d076e4aaf67d10a53597290ce4b8455e06d8074f (patch) | |
| tree | a5b4814d2393909fe74f2edfd9eaedb205cf863d /drivers/scsi/arcmsr | |
| parent | aa4d1d56764aee510614c066324311c6c62c19b8 (diff) | |
| download | linux-d076e4aaf67d10a53597290ce4b8455e06d8074f.tar.bz2 | |
scsi: arcmsr: replace constant ARCMSR_MAX_FREECCB_NUM
Replace constant ARCMSR_MAX_FREECCB_NUM by variable acb->maxFreeCCB that
was received from firmware.
Signed-off-by: Ching Huang <ching2048@areca.com.tw>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/arcmsr')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 13 |
2 files changed, 9 insertions, 5 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr.h b/drivers/scsi/arcmsr/arcmsr.h index 6ec60ff8781e..1951f2db80dc 100644 --- a/drivers/scsi/arcmsr/arcmsr.h +++ b/drivers/scsi/arcmsr/arcmsr.h @@ -831,6 +831,7 @@ struct AdapterControlBlock atomic_t ante_token_value; uint32_t maxOutstanding; int vector_count; + uint32_t maxFreeCCB; uint32_t doneq_index; uint32_t ccbsize; uint32_t in_doorbell; diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 25e5c9f69898..d788d4ee7c0c 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -688,7 +688,7 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) acb->host->max_sectors = max_xfer_len/512; acb->host->sg_tablesize = max_sg_entrys; roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32); - acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM; + acb->uncache_size = roundup_ccbsize * acb->maxFreeCCB; dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL); if(!dma_coherent){ printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error\n", acb->host->host_no); @@ -700,7 +700,7 @@ static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) acb->ccbsize = roundup_ccbsize; ccb_tmp = dma_coherent; acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle; - for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){ + for(i = 0; i < acb->maxFreeCCB; i++){ cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); switch (acb->adapter_type) { case ACB_ADAPTER_TYPE_A: @@ -1427,7 +1427,7 @@ static void arcmsr_remove(struct pci_dev *pdev) arcmsr_abort_allcmd(acb); arcmsr_done4abort_postqueue(acb); - for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { + for (i = 0; i < acb->maxFreeCCB; i++) { struct CommandControlBlock *ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START) { ccb->startdone = ARCMSR_CCB_ABORTED; @@ -3239,6 +3239,9 @@ static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) else acb->maxOutstanding = acb->firm_numbers_queue - 1; acb->host->can_queue = acb->maxOutstanding; + acb->maxFreeCCB = acb->host->can_queue; + if (acb->maxFreeCCB < ARCMSR_MAX_FREECCB_NUM) + acb->maxFreeCCB += 64; return rtn; } @@ -4261,7 +4264,7 @@ static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) rtnval = arcmsr_abort_allcmd(acb); /* clear all outbound posted Q */ arcmsr_done4abort_postqueue(acb); - for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { + for (i = 0; i < acb->maxFreeCCB; i++) { ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START) { scsi_dma_unmap(ccb->pcmd); @@ -4369,7 +4372,7 @@ static int arcmsr_abort(struct scsi_cmnd *cmd) } intmask_org = arcmsr_disable_outbound_ints(acb); - for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { + for (i = 0; i < acb->maxFreeCCB; i++) { struct CommandControlBlock *ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) { ccb->startdone = ARCMSR_CCB_ABORTED; |