diff options
| author | Jayamohan Kallickal <jayamohank@serverengines.com> | 2010-07-22 04:25:40 +0530 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-07-28 09:05:34 -0500 |
| commit | d2cecf0dcb2eb066756e0303d9f162ebe20d0591 (patch) | |
| tree | bfcda4d785072b75b55b096f1346e6f87efd5476 /drivers/scsi/be2iscsi | |
| parent | e9b911935033ea9e28a2f7a274c9a81db1f8d91a (diff) | |
[SCSI] be2iscsi: Maintain same ITT across login
This patch ensures that the same ITT is maintained across
all login pdu's
Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/be2iscsi')
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 41 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.h | 1 |
2 files changed, 37 insertions, 5 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 1a22125f5202..fdd9161096c1 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -3452,14 +3452,12 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) return -ENOMEM; io_task->bhs_pa.u.a64.address = paddr; io_task->libiscsi_itt = (itt_t)task->itt; - io_task->pwrb_handle = alloc_wrb_handle(phba, - beiscsi_conn->beiscsi_conn_cid - - phba->fw_config.iscsi_cid_start - ); io_task->conn = beiscsi_conn; task->hdr = (struct iscsi_hdr *)&io_task->cmd_bhs->iscsi_hdr; task->hdr_max = sizeof(struct be_cmd_bhs); + io_task->psgl_handle = NULL; + io_task->psgl_handle = NULL; if (task->sc) { spin_lock(&phba->io_sgl_lock); @@ -3467,6 +3465,11 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) spin_unlock(&phba->io_sgl_lock); if (!io_task->psgl_handle) goto free_hndls; + io_task->pwrb_handle = alloc_wrb_handle(phba, + beiscsi_conn->beiscsi_conn_cid - + phba->fw_config.iscsi_cid_start); + if (!io_task->pwrb_handle) + goto free_io_hndls; } else { io_task->scsi_cmnd = NULL; if ((opcode & ISCSI_OPCODE_MASK) == ISCSI_OP_LOGIN) { @@ -3481,9 +3484,20 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) beiscsi_conn->login_in_progress = 1; beiscsi_conn->plogin_sgl_handle = io_task->psgl_handle; + io_task->pwrb_handle = + alloc_wrb_handle(phba, + beiscsi_conn->beiscsi_conn_cid - + phba->fw_config.iscsi_cid_start); + if (!io_task->pwrb_handle) + goto free_io_hndls; + beiscsi_conn->plogin_wrb_handle = + io_task->pwrb_handle; + } else { io_task->psgl_handle = beiscsi_conn->plogin_sgl_handle; + io_task->pwrb_handle = + beiscsi_conn->plogin_wrb_handle; } } else { spin_lock(&phba->mgmt_sgl_lock); @@ -3491,6 +3505,13 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) spin_unlock(&phba->mgmt_sgl_lock); if (!io_task->psgl_handle) goto free_hndls; + io_task->pwrb_handle = + alloc_wrb_handle(phba, + beiscsi_conn->beiscsi_conn_cid - + phba->fw_config.iscsi_cid_start); + if (!io_task->pwrb_handle) + goto free_mgmt_hndls; + } } itt = (itt_t) cpu_to_be32(((unsigned int)io_task->pwrb_handle-> @@ -3501,12 +3522,22 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) io_task->cmd_bhs->iscsi_hdr.itt = itt; return 0; +free_io_hndls: + spin_lock(&phba->io_sgl_lock); + free_io_sgl_handle(phba, io_task->psgl_handle); + spin_unlock(&phba->io_sgl_lock); + goto free_hndls; +free_mgmt_hndls: + spin_lock(&phba->mgmt_sgl_lock); + free_mgmt_sgl_handle(phba, io_task->psgl_handle); + spin_unlock(&phba->mgmt_sgl_lock); free_hndls: phwi_ctrlr = phba->phwi_ctrlr; pwrb_context = &phwi_ctrlr->wrb_context[ beiscsi_conn->beiscsi_conn_cid - phba->fw_config.iscsi_cid_start]; - free_wrb_handle(phba, pwrb_context, io_task->pwrb_handle); + if (io_task->pwrb_handle) + free_wrb_handle(phba, pwrb_context, io_task->pwrb_handle); io_task->pwrb_handle = NULL; pci_pool_free(beiscsi_sess->bhs_pool, io_task->cmd_bhs, io_task->bhs_pa.u.a64.address); diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h index 05ad76e48d80..08996d008ba6 100644 --- a/drivers/scsi/be2iscsi/be_main.h +++ b/drivers/scsi/be2iscsi/be_main.h @@ -359,6 +359,7 @@ struct beiscsi_conn { u32 beiscsi_conn_cid; struct beiscsi_endpoint *ep; unsigned short login_in_progress; + struct wrb_handle *plogin_wrb_handle; struct sgl_handle *plogin_sgl_handle; struct beiscsi_session *beiscsi_sess; struct iscsi_task *task; |