diff options
Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 78 |
1 files changed, 77 insertions, 1 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index b854c4928f6f..20908a19ff90 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -1516,6 +1516,77 @@ static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd) return aac_scsi_32(fib, cmd); } +int aac_issue_bmic_identify(struct aac_dev *dev, u32 bus, u32 target) +{ + struct fib *fibptr; + struct aac_srb *srbcmd; + struct sgmap64 *sg64; + struct aac_ciss_identify_pd *identify_resp; + dma_addr_t addr; + u32 vbus, vid; + u16 fibsize, datasize; + int rcode = -ENOMEM; + + fibptr = aac_fib_alloc(dev); + if (!fibptr) + goto out; + + fibsize = sizeof(struct aac_srb) - + sizeof(struct sgentry) + sizeof(struct sgentry64); + datasize = sizeof(struct aac_ciss_identify_pd); + + identify_resp = pci_alloc_consistent(dev->pdev, datasize, &addr); + + if (!identify_resp) + goto fib_free_ptr; + + vbus = (u32)le16_to_cpu(dev->supplement_adapter_info.VirtDeviceBus); + vid = (u32)le16_to_cpu(dev->supplement_adapter_info.VirtDeviceTarget); + + aac_fib_init(fibptr); + + srbcmd = (struct aac_srb *) fib_data(fibptr); + srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi); + srbcmd->channel = cpu_to_le32(vbus); + srbcmd->id = cpu_to_le32(vid); + srbcmd->lun = 0; + srbcmd->flags = cpu_to_le32(SRB_DataIn); + srbcmd->timeout = cpu_to_le32(10); + srbcmd->retry_limit = 0; + srbcmd->cdb_size = cpu_to_le32(12); + srbcmd->count = cpu_to_le32(datasize); + + memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb)); + srbcmd->cdb[0] = 0x26; + srbcmd->cdb[2] = (u8)((AAC_MAX_LUN + target) & 0x00FF); + srbcmd->cdb[6] = CISS_IDENTIFY_PHYSICAL_DEVICE; + + sg64 = (struct sgmap64 *)&srbcmd->sg; + sg64->count = cpu_to_le32(1); + sg64->sg[0].addr[1] = cpu_to_le32((u32)(((addr) >> 16) >> 16)); + sg64->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff)); + sg64->sg[0].count = cpu_to_le32(datasize); + + rcode = aac_fib_send(ScsiPortCommand64, + fibptr, fibsize, FsaNormal, 1, 1, NULL, NULL); + + if (identify_resp->current_queue_depth_limit <= 0 || + identify_resp->current_queue_depth_limit > 32) + dev->hba_map[bus][target].qd_limit = 32; + else + dev->hba_map[bus][target].qd_limit = + identify_resp->current_queue_depth_limit; + + pci_free_consistent(dev->pdev, datasize, (void *)identify_resp, addr); + + aac_fib_complete(fibptr); + +fib_free_ptr: + aac_fib_free(fibptr); +out: + return rcode; +} + /** * aac_update hba_map()- update current hba map with data from FW * @dev: aac_dev structure @@ -1565,6 +1636,9 @@ void aac_update_hba_map(struct aac_dev *dev, if (devtype != AAC_DEVTYPE_NATIVE_RAW) goto update_devtype; + if (aac_issue_bmic_identify(dev, bus, target) < 0) + dev->hba_map[bus][target].qd_limit = 32; + update_devtype: dev->hba_map[bus][target].devtype = devtype; } @@ -1711,8 +1785,10 @@ int aac_get_adapter_info(struct aac_dev* dev) /* reset all previous mapped devices (i.e. for init. after IOP_RESET) */ for (bus = 0; bus < AAC_MAX_BUSES; bus++) { - for (target = 0; target < AAC_MAX_TARGETS; target++) + for (target = 0; target < AAC_MAX_TARGETS; target++) { dev->hba_map[bus][target].devtype = 0; + dev->hba_map[bus][target].qd_limit = 0; + } } /* |