diff options
Diffstat (limited to 'drivers/scsi/hisi_sas')
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas.h | 8 | ||||
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 45 | ||||
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 28 | ||||
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 45 | ||||
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 43 |
5 files changed, 51 insertions, 118 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 44105389f2df..3a1caa04407e 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -214,14 +214,14 @@ struct hisi_sas_hw { void (*sl_notify)(struct hisi_hba *hisi_hba, int phy_no); int (*get_free_slot)(struct hisi_hba *hisi_hba, struct hisi_sas_dq *dq); void (*start_delivery)(struct hisi_sas_dq *dq); - int (*prep_ssp)(struct hisi_hba *hisi_hba, + void (*prep_ssp)(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, int is_tmf, struct hisi_sas_tmf_task *tmf); - int (*prep_smp)(struct hisi_hba *hisi_hba, + void (*prep_smp)(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot); - int (*prep_stp)(struct hisi_hba *hisi_hba, + void (*prep_stp)(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot); - int (*prep_abort)(struct hisi_hba *hisi_hba, + void (*prep_abort)(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, int device_id, int abort_flag, int tag_to_abort); int (*slot_complete)(struct hisi_hba *hisi_hba, diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 0ce7c717b201..2772e920572d 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -243,30 +243,30 @@ void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task, } EXPORT_SYMBOL_GPL(hisi_sas_slot_task_free); -static int hisi_sas_task_prep_smp(struct hisi_hba *hisi_hba, +static void hisi_sas_task_prep_smp(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) { - return hisi_hba->hw->prep_smp(hisi_hba, slot); + hisi_hba->hw->prep_smp(hisi_hba, slot); } -static int hisi_sas_task_prep_ssp(struct hisi_hba *hisi_hba, +static void hisi_sas_task_prep_ssp(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, int is_tmf, struct hisi_sas_tmf_task *tmf) { - return hisi_hba->hw->prep_ssp(hisi_hba, slot, is_tmf, tmf); + hisi_hba->hw->prep_ssp(hisi_hba, slot, is_tmf, tmf); } -static int hisi_sas_task_prep_ata(struct hisi_hba *hisi_hba, +static void hisi_sas_task_prep_ata(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) { - return hisi_hba->hw->prep_stp(hisi_hba, slot); + hisi_hba->hw->prep_stp(hisi_hba, slot); } -static int hisi_sas_task_prep_abort(struct hisi_hba *hisi_hba, +static void hisi_sas_task_prep_abort(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, int device_id, int abort_flag, int tag_to_abort) { - return hisi_hba->hw->prep_abort(hisi_hba, slot, + hisi_hba->hw->prep_abort(hisi_hba, slot, device_id, abort_flag, tag_to_abort); } @@ -395,6 +395,13 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_sas_dq } else n_elem = task->num_scatter; + if (n_elem > HISI_SAS_SGE_PAGE_CNT) { + dev_err(dev, "task prep: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT", + n_elem); + rc = -EINVAL; + goto err_out_dma_unmap; + } + spin_lock_irqsave(&hisi_hba->lock, flags); if (hisi_hba->hw->slot_index_alloc) rc = hisi_hba->hw->slot_index_alloc(hisi_hba, &slot_idx, @@ -439,28 +446,22 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_sas_dq switch (task->task_proto) { case SAS_PROTOCOL_SMP: - rc = hisi_sas_task_prep_smp(hisi_hba, slot); + hisi_sas_task_prep_smp(hisi_hba, slot); break; case SAS_PROTOCOL_SSP: - rc = hisi_sas_task_prep_ssp(hisi_hba, slot, is_tmf, tmf); + hisi_sas_task_prep_ssp(hisi_hba, slot, is_tmf, tmf); break; case SAS_PROTOCOL_SATA: case SAS_PROTOCOL_STP: case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP: - rc = hisi_sas_task_prep_ata(hisi_hba, slot); + hisi_sas_task_prep_ata(hisi_hba, slot); break; default: dev_err(dev, "task prep: unknown/unsupported proto (0x%x)\n", task->task_proto); - rc = -EINVAL; break; } - if (rc) { - dev_err(dev, "task prep: rc = 0x%x\n", rc); - goto err_out_buf; - } - spin_lock_irqsave(&hisi_hba->lock, flags); list_add_tail(&slot->entry, &sas_dev->list); spin_unlock_irqrestore(&hisi_hba->lock, flags); @@ -473,9 +474,6 @@ static int hisi_sas_task_prep(struct sas_task *task, struct hisi_sas_dq return 0; -err_out_buf: - dma_pool_free(hisi_hba->buffer_pool, slot->buf, - slot->buf_dma); err_out_slot_buf: /* Nothing to be done */ err_out_tag: @@ -1554,10 +1552,8 @@ hisi_sas_internal_abort_task_exec(struct hisi_hba *hisi_hba, int device_id, 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, + hisi_sas_task_prep_abort(hisi_hba, slot, device_id, abort_flag, task_tag); - if (rc) - goto err_out_buf; spin_lock_irqsave(&hisi_hba->lock, flags); list_add_tail(&slot->entry, &sas_dev->list); @@ -1574,9 +1570,6 @@ 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); diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index 3769d70c9861..7781a011a750 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -935,23 +935,16 @@ static void start_delivery_v1_hw(struct hisi_sas_dq *dq) dq->wr_point); } -static int prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba, +static void prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, struct hisi_sas_cmd_hdr *hdr, struct scatterlist *scatter, int n_elem) { struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot); - struct device *dev = hisi_hba->dev; struct scatterlist *sg; int i; - if (n_elem > HISI_SAS_SGE_PAGE_CNT) { - dev_err(dev, "prd err: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT", - n_elem); - return -EINVAL; - } - for_each_sg(scatter, sg, n_elem, i) { struct hisi_sas_sge *entry = &sge_page->sge[i]; @@ -964,11 +957,9 @@ static int prep_prd_sge_v1_hw(struct hisi_hba *hisi_hba, hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot)); hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF); - - return 0; } -static int prep_smp_v1_hw(struct hisi_hba *hisi_hba, +static void prep_smp_v1_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) { struct sas_task *task = slot->task; @@ -1004,11 +995,9 @@ static int prep_smp_v1_hw(struct hisi_hba *hisi_hba, hdr->cmd_table_addr = cpu_to_le64(req_dma_addr); hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot)); - - return 0; } -static int prep_ssp_v1_hw(struct hisi_hba *hisi_hba, +static void prep_ssp_v1_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, int is_tmf, struct hisi_sas_tmf_task *tmf) { @@ -1019,7 +1008,7 @@ static int prep_ssp_v1_hw(struct hisi_hba *hisi_hba, struct hisi_sas_port *port = slot->port; struct sas_ssp_task *ssp_task = &task->ssp_task; struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; - int has_data = 0, rc, priority = is_tmf; + int has_data = 0, priority = is_tmf; u8 *buf_cmd, fburst = 0; u32 dw1, dw2; @@ -1068,12 +1057,9 @@ static int prep_ssp_v1_hw(struct hisi_hba *hisi_hba, hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF); - if (has_data) { - rc = prep_prd_sge_v1_hw(hisi_hba, slot, hdr, task->scatter, + if (has_data) + prep_prd_sge_v1_hw(hisi_hba, slot, hdr, task->scatter, slot->n_elem); - if (rc) - return rc; - } hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len); hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot)); @@ -1107,8 +1093,6 @@ static int prep_ssp_v1_hw(struct hisi_hba *hisi_hba, break; } } - - return 0; } /* by default, task resp is complete */ diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index ac0a0b2c72c5..9f77fd8223f7 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -1682,23 +1682,16 @@ static void start_delivery_v2_hw(struct hisi_sas_dq *dq) dq->wr_point); } -static int prep_prd_sge_v2_hw(struct hisi_hba *hisi_hba, +static void prep_prd_sge_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, struct hisi_sas_cmd_hdr *hdr, struct scatterlist *scatter, int n_elem) { struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot); - struct device *dev = hisi_hba->dev; struct scatterlist *sg; int i; - if (n_elem > HISI_SAS_SGE_PAGE_CNT) { - dev_err(dev, "prd err: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT", - n_elem); - return -EINVAL; - } - for_each_sg(scatter, sg, n_elem, i) { struct hisi_sas_sge *entry = &sge_page->sge[i]; @@ -1711,11 +1704,9 @@ static int prep_prd_sge_v2_hw(struct hisi_hba *hisi_hba, hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot)); hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF); - - return 0; } -static int prep_smp_v2_hw(struct hisi_hba *hisi_hba, +static void prep_smp_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) { struct sas_task *task = slot->task; @@ -1752,11 +1743,9 @@ static int prep_smp_v2_hw(struct hisi_hba *hisi_hba, hdr->cmd_table_addr = cpu_to_le64(req_dma_addr); hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot)); - - return 0; } -static int prep_ssp_v2_hw(struct hisi_hba *hisi_hba, +static void prep_ssp_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, int is_tmf, struct hisi_sas_tmf_task *tmf) { @@ -1767,7 +1756,7 @@ static int prep_ssp_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_port *port = slot->port; struct sas_ssp_task *ssp_task = &task->ssp_task; struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; - int has_data = 0, rc, priority = is_tmf; + int has_data = 0, priority = is_tmf; u8 *buf_cmd; u32 dw1 = 0, dw2 = 0; @@ -1809,12 +1798,9 @@ static int prep_ssp_v2_hw(struct hisi_hba *hisi_hba, hdr->transfer_tags = cpu_to_le32(slot->idx); - if (has_data) { - rc = prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter, + if (has_data) + prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter, slot->n_elem); - if (rc) - return rc; - } hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len); hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot)); @@ -1843,8 +1829,6 @@ static int prep_ssp_v2_hw(struct hisi_hba *hisi_hba, break; } } - - return 0; } #define TRANS_TX_ERR 0 @@ -2519,7 +2503,7 @@ out: return sts; } -static int prep_ata_v2_hw(struct hisi_hba *hisi_hba, +static void prep_ata_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) { struct sas_task *task = slot->task; @@ -2530,7 +2514,7 @@ static int prep_ata_v2_hw(struct hisi_hba *hisi_hba, struct asd_sas_port *sas_port = device->port; struct hisi_sas_port *port = to_hisi_sas_port(sas_port); u8 *buf_cmd; - int has_data = 0, rc = 0, hdr_tag = 0; + int has_data = 0, hdr_tag = 0; u32 dw1 = 0, dw2 = 0; /* create header */ @@ -2578,12 +2562,9 @@ static int prep_ata_v2_hw(struct hisi_hba *hisi_hba, /* dw3 */ hdr->transfer_tags = cpu_to_le32(slot->idx); - if (has_data) { - rc = prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter, + if (has_data) + prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter, slot->n_elem); - if (rc) - return rc; - } hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len); hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot)); @@ -2595,8 +2576,6 @@ static int prep_ata_v2_hw(struct hisi_hba *hisi_hba, task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */ /* fill in command FIS */ memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis)); - - return 0; } static void hisi_sas_internal_abort_quirk_timeout(struct timer_list *t) @@ -2633,7 +2612,7 @@ static void hisi_sas_internal_abort_quirk_timeout(struct timer_list *t) } } -static int prep_abort_v2_hw(struct hisi_hba *hisi_hba, +static void prep_abort_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, int device_id, int abort_flag, int tag_to_abort) { @@ -2661,8 +2640,6 @@ static int prep_abort_v2_hw(struct hisi_hba *hisi_hba, /* dw7 */ hdr->dw7 = cpu_to_le32(tag_to_abort << CMD_HDR_ABORT_IPTT_OFF); hdr->transfer_tags = cpu_to_le32(slot->idx); - - return 0; } static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba) diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index cea5354c184f..8cd13744a090 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -859,23 +859,16 @@ static void start_delivery_v3_hw(struct hisi_sas_dq *dq) dq->wr_point); } -static int prep_prd_sge_v3_hw(struct hisi_hba *hisi_hba, +static void prep_prd_sge_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, struct hisi_sas_cmd_hdr *hdr, struct scatterlist *scatter, int n_elem) { struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot); - struct device *dev = hisi_hba->dev; struct scatterlist *sg; int i; - if (n_elem > HISI_SAS_SGE_PAGE_CNT) { - dev_err(dev, "prd err: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT", - n_elem); - return -EINVAL; - } - for_each_sg(scatter, sg, n_elem, i) { struct hisi_sas_sge *entry = &sge_page->sge[i]; @@ -888,11 +881,9 @@ static int prep_prd_sge_v3_hw(struct hisi_hba *hisi_hba, hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot)); hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF); - - return 0; } -static int prep_ssp_v3_hw(struct hisi_hba *hisi_hba, +static void prep_ssp_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, int is_tmf, struct hisi_sas_tmf_task *tmf) { @@ -903,7 +894,7 @@ static int prep_ssp_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_port *port = slot->port; struct sas_ssp_task *ssp_task = &task->ssp_task; struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; - int has_data = 0, rc, priority = is_tmf; + int has_data = 0, priority = is_tmf; u8 *buf_cmd; u32 dw1 = 0, dw2 = 0; @@ -944,12 +935,9 @@ static int prep_ssp_v3_hw(struct hisi_hba *hisi_hba, hdr->dw2 = cpu_to_le32(dw2); hdr->transfer_tags = cpu_to_le32(slot->idx); - if (has_data) { - rc = prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter, + if (has_data) + prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter, slot->n_elem); - if (rc) - return rc; - } hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len); hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot)); @@ -976,11 +964,9 @@ static int prep_ssp_v3_hw(struct hisi_hba *hisi_hba, break; } } - - return 0; } -static int prep_smp_v3_hw(struct hisi_hba *hisi_hba, +static void prep_smp_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) { struct sas_task *task = slot->task; @@ -1018,10 +1004,9 @@ static int prep_smp_v3_hw(struct hisi_hba *hisi_hba, hdr->cmd_table_addr = cpu_to_le64(req_dma_addr); hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot)); - return 0; } -static int prep_ata_v3_hw(struct hisi_hba *hisi_hba, +static void prep_ata_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) { struct sas_task *task = slot->task; @@ -1032,7 +1017,7 @@ static int prep_ata_v3_hw(struct hisi_hba *hisi_hba, struct asd_sas_port *sas_port = device->port; struct hisi_sas_port *port = to_hisi_sas_port(sas_port); u8 *buf_cmd; - int has_data = 0, rc = 0, hdr_tag = 0; + int has_data = 0, hdr_tag = 0; u32 dw1 = 0, dw2 = 0; hdr->dw0 = cpu_to_le32(port->id << CMD_HDR_PORT_OFF); @@ -1081,12 +1066,9 @@ static int prep_ata_v3_hw(struct hisi_hba *hisi_hba, /* dw3 */ hdr->transfer_tags = cpu_to_le32(slot->idx); - if (has_data) { - rc = prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter, + if (has_data) + prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter, slot->n_elem); - if (rc) - return rc; - } hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len); hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot)); @@ -1098,11 +1080,9 @@ static int prep_ata_v3_hw(struct hisi_hba *hisi_hba, task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */ /* fill in command FIS */ memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis)); - - return 0; } -static int prep_abort_v3_hw(struct hisi_hba *hisi_hba, +static void prep_abort_v3_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot, int device_id, int abort_flag, int tag_to_abort) { @@ -1127,7 +1107,6 @@ static int prep_abort_v3_hw(struct hisi_hba *hisi_hba, hdr->dw7 = cpu_to_le32(tag_to_abort << CMD_HDR_ABORT_IPTT_OFF); hdr->transfer_tags = cpu_to_le32(slot->idx); - return 0; } static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba) |