diff options
| author | Krishna Gudipati <kgudipat@brocade.com> | 2011-07-20 17:03:27 -0700 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-07-27 14:53:40 +0400 |
| commit | c0350bf57445b9e2a4369668127ecc4431472d26 (patch) | |
| tree | 0dfa9c2dd2ddde736f6c0e867eb456a6ae1c89ee /drivers/scsi/bfa/bfad_bsg.c | |
| parent | 3ec4f2c8bff2568e5a51ba083db2c073321ca2c1 (diff) | |
| download | linux-c0350bf57445b9e2a4369668127ecc4431472d26.tar.bz2 | |
[SCSI] bfa: Add support to collect / reset fabric stats.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfad_bsg.c')
| -rw-r--r-- | drivers/scsi/bfa/bfad_bsg.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index 2109ed3769aa..66349bde8dca 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -2349,6 +2349,51 @@ out: return 0; } +int +bfad_iocmd_vf_get_stats(struct bfad_s *bfad, void *cmd) +{ + struct bfa_bsg_vf_stats_s *iocmd = + (struct bfa_bsg_vf_stats_s *)cmd; + struct bfa_fcs_fabric_s *fcs_vf; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_vf = bfa_fcs_vf_lookup(&bfad->bfa_fcs, iocmd->vf_id); + if (fcs_vf == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + iocmd->status = BFA_STATUS_UNKNOWN_VFID; + goto out; + } + memcpy((void *)&iocmd->stats, (void *)&fcs_vf->stats, + sizeof(struct bfa_vf_stats_s)); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + iocmd->status = BFA_STATUS_OK; +out: + return 0; +} + +int +bfad_iocmd_vf_clr_stats(struct bfad_s *bfad, void *cmd) +{ + struct bfa_bsg_vf_reset_stats_s *iocmd = + (struct bfa_bsg_vf_reset_stats_s *)cmd; + struct bfa_fcs_fabric_s *fcs_vf; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_vf = bfa_fcs_vf_lookup(&bfad->bfa_fcs, iocmd->vf_id); + if (fcs_vf == NULL) { + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + iocmd->status = BFA_STATUS_UNKNOWN_VFID; + goto out; + } + memset((void *)&fcs_vf->stats, 0, sizeof(struct bfa_vf_stats_s)); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + iocmd->status = BFA_STATUS_OK; +out: + return 0; +} + static int bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, unsigned int payload_len) @@ -2661,6 +2706,12 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, case IOCMD_QOS_RESET_STATS: rc = bfad_iocmd_qos_reset_stats(bfad, iocmd); break; + case IOCMD_VF_GET_STATS: + rc = bfad_iocmd_vf_get_stats(bfad, iocmd); + break; + case IOCMD_VF_RESET_STATS: + rc = bfad_iocmd_vf_clr_stats(bfad, iocmd); + break; default: rc = -EINVAL; break; |