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| author |   Jayamohan Kallickal <jayamohank@serverengines.com> | 2010-01-05 05:06:21 +0530 |
|---|---|---|
| committer |   James Bottomley <James.Bottomley@suse.de> | 2010-01-18 10:48:19 -0600 |
| commit | d543148883f65c34e6cd54c5e9ed0592dfbb6acb (patch) | |
| tree | 476a92739681646702574bbcea99cdd9d057df5a /drivers/scsi/be2iscsi | |
| parent | [SCSI] be2iscsi: Move freeing of resources to stop_conn (diff) | |
| download | linux-dev-d543148883f65c34e6cd54c5e9ed0592dfbb6acb.tar.xz linux-dev-d543148883f65c34e6cd54c5e9ed0592dfbb6acb.zip | |
[SCSI] be2iscsi: Link Wrb with next Wrb
This patch will link the current allocated wrb with the next
wrb that will be allocated. This is a requirement from the chip.
Signed-off-by: Jayamohan Kallickal <jayamohank@serverengines.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/be2iscsi')
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.c | 19 | ||||
| -rw-r--r-- | drivers/scsi/be2iscsi/be_main.h | 3 |
2 files changed, 11 insertions, 11 deletions
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 139002395d99..ac76b14ec4c1 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -629,29 +629,30 @@ free_io_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle) * alloc_wrb_handle - To allocate a wrb handle * @phba: The hba pointer * @cid: The cid to use for allocation - * @index: index allocation and wrb index * * This happens under session_lock until submission to chip */ -struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid, - int index) +struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid) { struct hwi_wrb_context *pwrb_context; struct hwi_controller *phwi_ctrlr; - struct wrb_handle *pwrb_handle; + struct wrb_handle *pwrb_handle, *pwrb_handle_tmp; phwi_ctrlr = phba->phwi_ctrlr; pwrb_context = &phwi_ctrlr->wrb_context[cid]; - if (pwrb_context->wrb_handles_available) { + if (pwrb_context->wrb_handles_available >= 2) { pwrb_handle = pwrb_context->pwrb_handle_base[ pwrb_context->alloc_index]; pwrb_context->wrb_handles_available--; - pwrb_handle->nxt_wrb_index = pwrb_handle->wrb_index; if (pwrb_context->alloc_index == (phba->params.wrbs_per_cxn - 1)) pwrb_context->alloc_index = 0; else pwrb_context->alloc_index++; + + pwrb_handle_tmp = pwrb_context->pwrb_handle_base[ + pwrb_context->alloc_index]; + pwrb_handle->nxt_wrb_index = pwrb_handle_tmp->wrb_index; } else pwrb_handle = NULL; return pwrb_handle; @@ -3206,7 +3207,7 @@ beiscsi_offload_connection(struct beiscsi_conn *beiscsi_conn, * login/startup related tasks. */ pwrb_handle = alloc_wrb_handle(phba, (beiscsi_conn->beiscsi_conn_cid - - phba->fw_config.iscsi_cid_start), 0); + phba->fw_config.iscsi_cid_start)); pwrb = (struct iscsi_target_context_update_wrb *)pwrb_handle->pwrb; memset(pwrb, 0, sizeof(*pwrb)); AMAP_SET_BITS(struct amap_iscsi_target_context_update_wrb, @@ -3316,8 +3317,8 @@ static int beiscsi_alloc_pdu(struct iscsi_task *task, uint8_t opcode) 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, - task->itt); + phba->fw_config.iscsi_cid_start + ); io_task->conn = beiscsi_conn; task->hdr = (struct iscsi_hdr *)&io_task->cmd_bhs->iscsi_hdr; diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h index 0e2eac627bee..0553f49db9be 100644 --- a/drivers/scsi/be2iscsi/be_main.h +++ b/drivers/scsi/be2iscsi/be_main.h @@ -651,8 +651,7 @@ struct amap_iscsi_wrb { } __packed; -struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid, - int index); +struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid); void free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle); |