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Commit 031da09c authored by Xiang Chen's avatar Xiang Chen Committed by Martin K. Petersen
Browse files

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



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

Signed-off-by: default avatarXiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent c3fe8a2b

drivers/scsi/hisi_sas/hisi_sas_main.c

+13 −1
Original line number Diff line number Diff line
@@ -1363,12 +1363,21 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id, 
	slot->port = port;

	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(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,

				      abort_flag, task_tag);

	if (rc)

		goto err_out_tag;

		goto err_out_buf;





	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;



err_out_buf:

	dma_pool_free(hisi_hba->buffer_pool, slot->buf,

		slot->buf_dma);

err_out_tag:

	spin_lock_irqsave(&hisi_hba->lock, flags);

	hisi_sas_slot_index_free(hisi_hba, slot_idx);