From: Xingui Yang Date: Thu, 20 Feb 2025 09:00:11 +0000 (+0800) Subject: scsi: hisi_sas: Fixed failure to issue vendor specific commands X-Git-Tag: v6.15-rc1~164^2~5 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=750d4fbe2c20e65d764c70afe2c9e6cfa874b044;p=thirdparty%2Flinux.git scsi: hisi_sas: Fixed failure to issue vendor specific commands At present, we determine the protocol through the cmd type, but other cmd types, such as vendor-specific commands, default to the PIO protocol. This strategy often causes the execution of different vendor-specific commands to fail. In fact, for these commands, a better way is to use the protocol configured by the command's tf to determine its protocol. Fixes: 6f2ff1a1311e ("hisi_sas: add v2 path to send ATA command") Signed-off-by: Xingui Yang Link: https://lore.kernel.org/r/20250220090011.313848-1-liyihang9@huawei.com Reviewed-by: Yihang Li Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 2d438d722d0b4..e17f5d8226bf2 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -633,8 +633,7 @@ extern struct dentry *hisi_sas_debugfs_dir; extern void hisi_sas_stop_phys(struct hisi_hba *hisi_hba); extern int hisi_sas_alloc(struct hisi_hba *hisi_hba); extern void hisi_sas_free(struct hisi_hba *hisi_hba); -extern u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, - int direction); +extern u8 hisi_sas_get_ata_protocol(struct sas_task *task); extern struct hisi_sas_port *to_hisi_sas_port(struct asd_sas_port *sas_port); extern void hisi_sas_sata_done(struct sas_task *task, struct hisi_sas_slot *slot); diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index da4a2ed8ee863..3596414d970b2 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -21,8 +21,32 @@ struct hisi_sas_internal_abort_data { bool rst_ha_timeout; /* reset the HA for timeout */ }; -u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction) +static u8 hisi_sas_get_ata_protocol_from_tf(struct ata_queued_cmd *qc) { + if (!qc) + return HISI_SAS_SATA_PROTOCOL_PIO; + + switch (qc->tf.protocol) { + case ATA_PROT_NODATA: + return HISI_SAS_SATA_PROTOCOL_NONDATA; + case ATA_PROT_PIO: + return HISI_SAS_SATA_PROTOCOL_PIO; + case ATA_PROT_DMA: + return HISI_SAS_SATA_PROTOCOL_DMA; + case ATA_PROT_NCQ_NODATA: + case ATA_PROT_NCQ: + return HISI_SAS_SATA_PROTOCOL_FPDMA; + default: + return HISI_SAS_SATA_PROTOCOL_PIO; + } +} + +u8 hisi_sas_get_ata_protocol(struct sas_task *task) +{ + struct host_to_dev_fis *fis = &task->ata_task.fis; + struct ata_queued_cmd *qc = task->uldd_task; + int direction = task->data_dir; + switch (fis->command) { case ATA_CMD_FPDMA_WRITE: case ATA_CMD_FPDMA_READ: @@ -93,7 +117,7 @@ u8 hisi_sas_get_ata_protocol(struct host_to_dev_fis *fis, int direction) { if (direction == DMA_NONE) return HISI_SAS_SATA_PROTOCOL_NONDATA; - return HISI_SAS_SATA_PROTOCOL_PIO; + return hisi_sas_get_ata_protocol_from_tf(qc); } } } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index 3cc4cddcb6554..04ee02797ca3f 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -2538,9 +2538,7 @@ static void prep_ata_v2_hw(struct hisi_hba *hisi_hba, (task->ata_task.fis.control & ATA_SRST)) dw1 |= 1 << CMD_HDR_RESET_OFF; - dw1 |= (hisi_sas_get_ata_protocol( - &task->ata_task.fis, task->data_dir)) - << CMD_HDR_FRAME_TYPE_OFF; + dw1 |= (hisi_sas_get_ata_protocol(task)) << CMD_HDR_FRAME_TYPE_OFF; dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF; hdr->dw1 = cpu_to_le32(dw1); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 48b95d9a79275..095bbf80c34ef 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -1456,9 +1456,7 @@ static void prep_ata_v3_hw(struct hisi_hba *hisi_hba, (task->ata_task.fis.control & ATA_SRST)) dw1 |= 1 << CMD_HDR_RESET_OFF; - dw1 |= (hisi_sas_get_ata_protocol( - &task->ata_task.fis, task->data_dir)) - << CMD_HDR_FRAME_TYPE_OFF; + dw1 |= (hisi_sas_get_ata_protocol(task)) << CMD_HDR_FRAME_TYPE_OFF; dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF; if (FIS_CMD_IS_UNCONSTRAINED(task->ata_task.fis))