From 42a8e6e298f39518445785c53a16357267db37ef Mon Sep 17 00:00:00 2001 From: Krishna Gudipati Date: Wed, 20 Jul 2011 17:01:52 -0700 Subject: [SCSI] bfa: Add support for IO profiling. - Made changes to support IO profiling. - Added support to configure and query IO profiling info. Signed-off-by: Krishna Gudipati Signed-off-by: James Bottomley --- drivers/scsi/bfa/bfad_bsg.c | 53 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) (limited to 'drivers/scsi/bfa/bfad_bsg.c') diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index 45753dcba571..26def664cb83 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -1977,6 +1977,52 @@ bfad_iocmd_porglog_ctl(struct bfad_s *bfad, void *cmd) return 0; } +int +bfad_iocmd_fcpim_cfg_profile(struct bfad_s *bfad, void *cmd, unsigned int v_cmd) +{ + struct bfa_bsg_fcpim_profile_s *iocmd = + (struct bfa_bsg_fcpim_profile_s *)cmd; + struct timeval tv; + unsigned long flags; + + do_gettimeofday(&tv); + spin_lock_irqsave(&bfad->bfad_lock, flags); + if (v_cmd == IOCMD_FCPIM_PROFILE_ON) + iocmd->status = bfa_fcpim_profile_on(&bfad->bfa, tv.tv_sec); + else if (v_cmd == IOCMD_FCPIM_PROFILE_OFF) + iocmd->status = bfa_fcpim_profile_off(&bfad->bfa); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + return 0; +} + +static int +bfad_iocmd_itnim_get_ioprofile(struct bfad_s *bfad, void *cmd) +{ + struct bfa_bsg_itnim_ioprofile_s *iocmd = + (struct bfa_bsg_itnim_ioprofile_s *)cmd; + struct bfa_fcs_lport_s *fcs_port; + struct bfa_fcs_itnim_s *itnim; + unsigned long flags; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + fcs_port = bfa_fcs_lookup_port(&bfad->bfa_fcs, + iocmd->vf_id, iocmd->lpwwn); + if (!fcs_port) + iocmd->status = BFA_STATUS_UNKNOWN_LWWN; + else { + itnim = bfa_fcs_itnim_lookup(fcs_port, iocmd->rpwwn); + if (itnim == NULL) + iocmd->status = BFA_STATUS_UNKNOWN_RWWN; + else + iocmd->status = bfa_itnim_get_ioprofile( + bfa_fcs_itnim_get_halitn(itnim), + &iocmd->ioprofile); + } + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + return 0; +} + static int bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, unsigned int payload_len) @@ -2238,6 +2284,13 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, case IOCMD_DEBUG_PORTLOG_CTL: rc = bfad_iocmd_porglog_ctl(bfad, iocmd); break; + case IOCMD_FCPIM_PROFILE_ON: + case IOCMD_FCPIM_PROFILE_OFF: + rc = bfad_iocmd_fcpim_cfg_profile(bfad, iocmd, cmd); + break; + case IOCMD_ITNIM_GET_IOPROFILE: + rc = bfad_iocmd_itnim_get_ioprofile(bfad, iocmd); + break; default: rc = -EINVAL; break; -- cgit