diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-27 09:54:08 -0800 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-01-27 09:54:08 -0800 |
commit | be8cde8b24c9dca1e54598690115eee5b1476519 (patch) | |
tree | 5142cedbf08050eb2af074f00979cf89d90b744f /drivers/s390/scsi/zfcp_fc.c | |
parent | 981a2edd1922c00e747680f30734ea50c86af28d (diff) | |
parent | 534ef056db8a8fb6b9d50188d88ed5d1fbc66673 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6:
[SCSI] aic79xx: check for non-NULL scb in ahd_handle_nonpkt_busfree
[SCSI] zfcp: Set hardware timeout as requested by BSG request.
[SCSI] zfcp: Introduce bsg_timeout callback.
[SCSI] scsi_transport_fc: Allow LLD to reset FC BSG timeout
[SCSI] zfcp: add missing compat ptr conversion
[SCSI] zfcp: Fix linebreak in hba trace
[SCSI] zfcp: Issue zfcp_fc_wka_port_put after FC CT BSG request
[SCSI] qla2xxx: Update version number to 8.03.01-k10.
[SCSI] fc-transport: Use packed modifier for fc_bsg_request structure.
[SCSI] qla2xxx: Perform fast mailbox read of flash regardless of size nor address alignment.
[SCSI] qla2xxx: Correct FCP2 recovery handling.
[SCSI] scsi_lib: Fix bug in completion of bidi commands
[SCSI] mptsas: Fix issue with chain pools allocation on katmai
[SCSI] aacraid: fix File System going into read-only mode
[SCSI] lpfc: fix file permissions
Diffstat (limited to 'drivers/s390/scsi/zfcp_fc.c')
-rw-r--r-- | drivers/s390/scsi/zfcp_fc.c | 84 |
1 files changed, 57 insertions, 27 deletions
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c index ac5e3b7a357..0f7b493fb10 100644 --- a/drivers/s390/scsi/zfcp_fc.c +++ b/drivers/s390/scsi/zfcp_fc.c @@ -258,7 +258,8 @@ static int zfcp_fc_ns_gid_pn_request(struct zfcp_port *port, gid_pn->gid_pn_req.gid_pn.fn_wwpn = port->wwpn; ret = zfcp_fsf_send_ct(&adapter->gs->ds, &gid_pn->ct, - adapter->pool.gid_pn_req); + adapter->pool.gid_pn_req, + ZFCP_FC_CTELS_TMO); if (!ret) { wait_for_completion(&completion); zfcp_fc_ns_gid_pn_eval(gid_pn); @@ -421,7 +422,8 @@ static int zfcp_fc_adisc(struct zfcp_port *port) hton24(adisc->adisc_req.adisc_port_id, fc_host_port_id(adapter->scsi_host)); - ret = zfcp_fsf_send_els(adapter, port->d_id, &adisc->els); + ret = zfcp_fsf_send_els(adapter, port->d_id, &adisc->els, + ZFCP_FC_CTELS_TMO); if (ret) kmem_cache_free(zfcp_data.adisc_cache, adisc); @@ -532,7 +534,8 @@ static int zfcp_fc_send_gpn_ft(struct zfcp_fc_gpn_ft *gpn_ft, ct->req = &gpn_ft->sg_req; ct->resp = gpn_ft->sg_resp; - ret = zfcp_fsf_send_ct(&adapter->gs->ds, ct, NULL); + ret = zfcp_fsf_send_ct(&adapter->gs->ds, ct, NULL, + ZFCP_FC_CTELS_TMO); if (!ret) wait_for_completion(&completion); return ret; @@ -677,6 +680,44 @@ static void zfcp_fc_ct_els_job_handler(void *data) job->job_done(job); } +static struct zfcp_fc_wka_port *zfcp_fc_job_wka_port(struct fc_bsg_job *job) +{ + u32 preamble_word1; + u8 gs_type; + struct zfcp_adapter *adapter; + + preamble_word1 = job->request->rqst_data.r_ct.preamble_word1; + gs_type = (preamble_word1 & 0xff000000) >> 24; + + adapter = (struct zfcp_adapter *) job->shost->hostdata[0]; + + switch (gs_type) { + case FC_FST_ALIAS: + return &adapter->gs->as; + case FC_FST_MGMT: + return &adapter->gs->ms; + case FC_FST_TIME: + return &adapter->gs->ts; + break; + case FC_FST_DIR: + return &adapter->gs->ds; + break; + default: + return NULL; + } +} + +static void zfcp_fc_ct_job_handler(void *data) +{ + struct fc_bsg_job *job = data; + struct zfcp_fc_wka_port *wka_port; + + wka_port = zfcp_fc_job_wka_port(job); + zfcp_fc_wka_port_put(wka_port); + + zfcp_fc_ct_els_job_handler(data); +} + static int zfcp_fc_exec_els_job(struct fc_bsg_job *job, struct zfcp_adapter *adapter) { @@ -695,43 +736,27 @@ static int zfcp_fc_exec_els_job(struct fc_bsg_job *job, } else d_id = ntoh24(job->request->rqst_data.h_els.port_id); - return zfcp_fsf_send_els(adapter, d_id, els); + els->handler = zfcp_fc_ct_els_job_handler; + return zfcp_fsf_send_els(adapter, d_id, els, job->req->timeout / HZ); } static int zfcp_fc_exec_ct_job(struct fc_bsg_job *job, struct zfcp_adapter *adapter) { int ret; - u8 gs_type; struct zfcp_fsf_ct_els *ct = job->dd_data; struct zfcp_fc_wka_port *wka_port; - u32 preamble_word1; - preamble_word1 = job->request->rqst_data.r_ct.preamble_word1; - gs_type = (preamble_word1 & 0xff000000) >> 24; - - switch (gs_type) { - case FC_FST_ALIAS: - wka_port = &adapter->gs->as; - break; - case FC_FST_MGMT: - wka_port = &adapter->gs->ms; - break; - case FC_FST_TIME: - wka_port = &adapter->gs->ts; - break; - case FC_FST_DIR: - wka_port = &adapter->gs->ds; - break; - default: - return -EINVAL; /* no such service */ - } + wka_port = zfcp_fc_job_wka_port(job); + if (!wka_port) + return -EINVAL; ret = zfcp_fc_wka_port_get(wka_port); if (ret) return ret; - ret = zfcp_fsf_send_ct(wka_port, ct, NULL); + ct->handler = zfcp_fc_ct_job_handler; + ret = zfcp_fsf_send_ct(wka_port, ct, NULL, job->req->timeout / HZ); if (ret) zfcp_fc_wka_port_put(wka_port); @@ -752,7 +777,6 @@ int zfcp_fc_exec_bsg_job(struct fc_bsg_job *job) ct_els->req = job->request_payload.sg_list; ct_els->resp = job->reply_payload.sg_list; - ct_els->handler = zfcp_fc_ct_els_job_handler; ct_els->handler_data = job; switch (job->request->msgcode) { @@ -767,6 +791,12 @@ int zfcp_fc_exec_bsg_job(struct fc_bsg_job *job) } } +int zfcp_fc_timeout_bsg_job(struct fc_bsg_job *job) +{ + /* hardware tracks timeout, reset bsg timeout to not interfere */ + return -EAGAIN; +} + int zfcp_fc_gs_setup(struct zfcp_adapter *adapter) { struct zfcp_fc_wka_ports *wka_ports; |