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| author | Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com> | 2017-12-26 20:34:38 -0800 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-01-03 23:26:42 -0500 |
| commit | 0bcb45fb20c2195fe0ae175d4775241e672a5fd3 (patch) | |
| tree | e8b0b2628a6f4999275ed1ed6a6659bcca732d5e /drivers/scsi/aacraid | |
| parent | e2ee8c948010bdb6c4ce26fd7408065495f51fad (diff) | |
| download | linux-stable-0bcb45fb20c2195fe0ae175d4775241e672a5fd3.tar.gz linux-stable-0bcb45fb20c2195fe0ae175d4775241e672a5fd3.tar.bz2 linux-stable-0bcb45fb20c2195fe0ae175d4775241e672a5fd3.zip | |
scsi: aacraid: Add helper function to set queue depth
Add helper function to set queue depth from information retrieved from
the bmic phy structure.
Signed-off-by: Raghava Aditya Renukunta <RaghavaAditya.Renukunta@microsemi.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/aacraid')
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 37 |
1 files changed, 24 insertions, 13 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index baa3de5dd8df..67ca5af32e02 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -1755,6 +1755,28 @@ fib_error: return rcode; } +static void aac_set_safw_target_qd(struct aac_dev *dev, int bus, int target) +{ + + struct aac_ciss_identify_pd *identify_resp; + + if (dev->hba_map[bus][target].devtype != AAC_DEVTYPE_NATIVE_RAW) + return; + + identify_resp = dev->hba_map[bus][target].safw_identify_resp; + if (identify_resp == NULL) { + dev->hba_map[bus][target].qd_limit = 32; + return; + } + + if (identify_resp->current_queue_depth_limit <= 0 || + identify_resp->current_queue_depth_limit > 255) + dev->hba_map[bus][target].qd_limit = 32; + else + dev->hba_map[bus][target].qd_limit = + identify_resp->current_queue_depth_limit; +} + static int aac_issue_safw_bmic_identify(struct aac_dev *dev, struct aac_ciss_identify_pd **identify_resp, u32 bus, u32 target) { @@ -1781,13 +1803,6 @@ static int aac_issue_safw_bmic_identify(struct aac_dev *dev, if (unlikely(rcode < 0)) goto mem_free_all; - if (identify_reply->current_queue_depth_limit <= 0 || - identify_reply->current_queue_depth_limit > 32) - dev->hba_map[bus][target].qd_limit = 32; - else - dev->hba_map[bus][target].qd_limit = - identify_reply->current_queue_depth_limit; - *identify_resp = identify_reply; out: @@ -1936,17 +1951,14 @@ static int aac_get_safw_attr_all_targets(struct aac_dev *dev, int rescan) rcode = aac_issue_safw_bmic_identify(dev, &identify_resp, bus, target); - if (unlikely(rcode < 0)) { - dev->hba_map[bus][target].qd_limit = 32; + if (unlikely(rcode < 0)) goto free_identify_resp; - } dev->hba_map[bus][target].safw_identify_resp = identify_resp; } out: return rcode; - free_identify_resp: aac_free_safw_all_identify_resp(dev, i); goto out; @@ -1995,8 +2007,7 @@ static void aac_set_safw_attr_all_targets(struct aac_dev *dev, int rescan) } else devtype = AAC_DEVTYPE_ARC_RAW; - if (devtype != AAC_DEVTYPE_NATIVE_RAW) - goto update_devtype; + aac_set_safw_target_qd(dev, bus, target); update_devtype: if (rescan == AAC_INIT) |