[RESEND PATCH v2 03/23] hisi_sas: set max commands as configurable
Since v2 hardware permits different numbers of commands to v1, set this as configurable in hisi_sas_hw. Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas.h | 2 +- drivers/scsi/hisi_sas/hisi_sas_main.c | 24 drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 3 +++ 3 files changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 21eb2bb..5ed5cf1 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -27,7 +27,6 @@ #define HISI_SAS_QUEUE_SLOTS 512 #define HISI_SAS_MAX_ITCT_ENTRIES 4096 #define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES -#define HISI_SAS_COMMAND_ENTRIES 8192 #define HISI_SAS_STATUS_BUF_SZ \ (sizeof(struct hisi_sas_err_record) + 1024) @@ -144,6 +143,7 @@ struct hisi_sas_hw { void (*free_device)(struct hisi_hba *hisi_hba, struct hisi_sas_device *dev); int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id); + int max_command_entries; int complete_hdr_size; }; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 7689939..c48df6d 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -973,9 +973,9 @@ static struct sas_domain_function_template hisi_sas_transport_ops = { static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) { - int i, s; struct platform_device *pdev = hisi_hba->pdev; struct device *dev = &pdev->dev; + int i, s, max_command_entries = hisi_hba->hw->max_command_entries; spin_lock_init(&hisi_hba->lock); for (i = 0; i < hisi_hba->n_phy; i++) { @@ -1035,13 +1035,13 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) memset(hisi_hba->itct, 0, s); - hisi_hba->slot_info = devm_kcalloc(dev, HISI_SAS_COMMAND_ENTRIES, + hisi_hba->slot_info = devm_kcalloc(dev, max_command_entries, sizeof(struct hisi_sas_slot), GFP_KERNEL); if (!hisi_hba->slot_info) goto err_out; - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_iost); + s = max_command_entries * sizeof(struct hisi_sas_iost); hisi_hba->iost = dma_alloc_coherent(dev, s, &hisi_hba->iost_dma, GFP_KERNEL); if (!hisi_hba->iost) @@ -1049,7 +1049,7 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) memset(hisi_hba->iost, 0, s); - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_breakpoint); + s = max_command_entries * sizeof(struct hisi_sas_breakpoint); hisi_hba->breakpoint = dma_alloc_coherent(dev, s, &hisi_hba->breakpoint_dma, GFP_KERNEL); if (!hisi_hba->breakpoint) @@ -1057,7 +1057,7 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) memset(hisi_hba->breakpoint, 0, s); - hisi_hba->slot_index_count = HISI_SAS_COMMAND_ENTRIES; + hisi_hba->slot_index_count = max_command_entries; s = hisi_hba->slot_index_count / sizeof(unsigned long); hisi_hba->slot_index_tags = devm_kzalloc(dev, s, GFP_KERNEL); if (!hisi_hba->slot_index_tags) @@ -1075,7 +1075,7 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) goto err_out; memset(hisi_hba->initial_fis, 0, s); - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_breakpoint) * 2; + s = max_command_entries * sizeof(struct hisi_sas_breakpoint) * 2; hisi_hba->sata_breakpoint = dma_alloc_coherent(dev, s, &hisi_hba->sata_breakpoint_dma, GFP_KERNEL); if (!hisi_hba->sata_breakpoint) @@ -1098,7 +1098,7 @@ err_out: static void hisi_sas_free(struct hisi_hba *hisi_hba) { struct device *dev = &hisi_hba->pdev->dev; - int i, s; + int i, s, max_command_entries = hisi_hba->hw->max_command_entries; for (i = 0; i < hisi_hba->queue_count; i++) { s = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS; @@ -1123,12 +1123,12 @@ static void hisi_sas_free(struct hisi_hba *hisi_hba) dma_free_coherent(dev, s, hisi_hba->itct, hisi_hba->itct_dma); - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_iost); + s = max_command_entries * sizeof(struct hisi_sas_iost); if (hisi_hba->iost) dma_free_coherent(dev, s, hisi_hba->iost, hisi_hba->iost_dma); - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_breakpoint); + s = max_command_entries * sizeof(struct hisi_sas_breakpoint); if (hisi_hba->breakpoint)
[PATCH v2 03/23] hisi_sas: set max commands as configurable
From: John Garry Since v2 hardware permits different numbers of commands to v1, set this as configurable in hisi_sas_hw. Signed-off-by: John Garry --- drivers/scsi/hisi_sas/hisi_sas.h | 2 +- drivers/scsi/hisi_sas/hisi_sas_main.c | 24 drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 3 +++ 3 files changed, 16 insertions(+), 13 deletions(-) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 21eb2bb..5ed5cf1 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -27,7 +27,6 @@ #define HISI_SAS_QUEUE_SLOTS 512 #define HISI_SAS_MAX_ITCT_ENTRIES 4096 #define HISI_SAS_MAX_DEVICES HISI_SAS_MAX_ITCT_ENTRIES -#define HISI_SAS_COMMAND_ENTRIES 8192 #define HISI_SAS_STATUS_BUF_SZ \ (sizeof(struct hisi_sas_err_record) + 1024) @@ -144,6 +143,7 @@ struct hisi_sas_hw { void (*free_device)(struct hisi_hba *hisi_hba, struct hisi_sas_device *dev); int (*get_wideport_bitmap)(struct hisi_hba *hisi_hba, int port_id); + int max_command_entries; int complete_hdr_size; }; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 7689939..c48df6d 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -973,9 +973,9 @@ static struct sas_domain_function_template hisi_sas_transport_ops = { static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) { - int i, s; struct platform_device *pdev = hisi_hba->pdev; struct device *dev = &pdev->dev; + int i, s, max_command_entries = hisi_hba->hw->max_command_entries; spin_lock_init(&hisi_hba->lock); for (i = 0; i < hisi_hba->n_phy; i++) { @@ -1035,13 +1035,13 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) memset(hisi_hba->itct, 0, s); - hisi_hba->slot_info = devm_kcalloc(dev, HISI_SAS_COMMAND_ENTRIES, + hisi_hba->slot_info = devm_kcalloc(dev, max_command_entries, sizeof(struct hisi_sas_slot), GFP_KERNEL); if (!hisi_hba->slot_info) goto err_out; - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_iost); + s = max_command_entries * sizeof(struct hisi_sas_iost); hisi_hba->iost = dma_alloc_coherent(dev, s, &hisi_hba->iost_dma, GFP_KERNEL); if (!hisi_hba->iost) @@ -1049,7 +1049,7 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) memset(hisi_hba->iost, 0, s); - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_breakpoint); + s = max_command_entries * sizeof(struct hisi_sas_breakpoint); hisi_hba->breakpoint = dma_alloc_coherent(dev, s, &hisi_hba->breakpoint_dma, GFP_KERNEL); if (!hisi_hba->breakpoint) @@ -1057,7 +1057,7 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) memset(hisi_hba->breakpoint, 0, s); - hisi_hba->slot_index_count = HISI_SAS_COMMAND_ENTRIES; + hisi_hba->slot_index_count = max_command_entries; s = hisi_hba->slot_index_count / sizeof(unsigned long); hisi_hba->slot_index_tags = devm_kzalloc(dev, s, GFP_KERNEL); if (!hisi_hba->slot_index_tags) @@ -1075,7 +1075,7 @@ static int hisi_sas_alloc(struct hisi_hba *hisi_hba, struct Scsi_Host *shost) goto err_out; memset(hisi_hba->initial_fis, 0, s); - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_breakpoint) * 2; + s = max_command_entries * sizeof(struct hisi_sas_breakpoint) * 2; hisi_hba->sata_breakpoint = dma_alloc_coherent(dev, s, &hisi_hba->sata_breakpoint_dma, GFP_KERNEL); if (!hisi_hba->sata_breakpoint) @@ -1098,7 +1098,7 @@ err_out: static void hisi_sas_free(struct hisi_hba *hisi_hba) { struct device *dev = &hisi_hba->pdev->dev; - int i, s; + int i, s, max_command_entries = hisi_hba->hw->max_command_entries; for (i = 0; i < hisi_hba->queue_count; i++) { s = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS; @@ -1123,12 +1123,12 @@ static void hisi_sas_free(struct hisi_hba *hisi_hba) dma_free_coherent(dev, s, hisi_hba->itct, hisi_hba->itct_dma); - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_iost); + s = max_command_entries * sizeof(struct hisi_sas_iost); if (hisi_hba->iost) dma_free_coherent(dev, s, hisi_hba->iost, hisi_hba->iost_dma); - s = HISI_SAS_COMMAND_ENTRIES * sizeof(struct hisi_sas_breakpoint); + s = max_command_entries * sizeof(struct hisi_sas_breakpoint); if (hisi_hba->break