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scsi: hisi_sas: add status and command buffer for internal abort

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For v3 hw, internal abort function required status and command buffer to
be set, so add necessary code for this.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Xiang Chen 2017-08-11 00:09:35 +08:00 committed by Martin K. Petersen
parent c3fe8a2bbb
commit 031da09c11
1 changed files with 13 additions and 1 deletions
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14
drivers/scsi/hisi_sas/hisi_sas_main.c
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@ -1363,12 +1363,21 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
slot->port = port; slot->port = port;
task->lldd_task = slot; task->lldd_task = slot;
slot->buf = dma_pool_alloc(hisi_hba->buffer_pool,
GFP_ATOMIC, &slot->buf_dma);
if (!slot->buf) {
rc = -ENOMEM;
goto err_out_tag;
}
memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr)); memset(slot->cmd_hdr, 0, sizeof(struct hisi_sas_cmd_hdr));
memset(hisi_sas_cmd_hdr_addr_mem(slot), 0, HISI_SAS_COMMAND_TABLE_SZ);
memset(hisi_sas_status_buf_addr_mem(slot), 0, HISI_SAS_STATUS_BUF_SZ);
rc = hisi_sas_task_prep_abort(hisi_hba, slot, device_id, rc = hisi_sas_task_prep_abort(hisi_hba, slot, device_id,
abort_flag, task_tag); abort_flag, task_tag);
if (rc) if (rc)
goto err_out_tag; goto err_out_buf;
list_add_tail(&slot->entry, &sas_dev->list); list_add_tail(&slot->entry, &sas_dev->list);
@ -1386,6 +1395,9 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id,
return 0; return 0;
err_out_buf:
dma_pool_free(hisi_hba->buffer_pool, slot->buf,
slot->buf_dma);
err_out_tag: err_out_tag:
spin_lock_irqsave(&hisi_hba->lock, flags); spin_lock_irqsave(&hisi_hba->lock, flags);
hisi_sas_slot_index_free(hisi_hba, slot_idx); hisi_sas_slot_index_free(hisi_hba, slot_idx);