From: John Garry <john.garry@huawei.com> To: <JBottomley@odin.com>, <robh+dt@kernel.org>, <pawel.moll@arm.com>, <mark.rutland@arm.com>, <ijc+devicetree@hellion.org.uk>, <galak@codeaurora.org>, <arnd@arndb.de> Cc: <linux-scsi@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, <linuxarm@huawei.com>, <john.garry2@mail.dcu.ie>, <hare@suse.de>, <xuwei5@hisilicon.com>, <zhangfei.gao@linaro.org>, <john.garry@huawei.com> Subject: [PATCH v4 07/32] scsi: hisi_sas: allocate memories and create pools Date: Mon, 16 Nov 2015 21:05:53 +0800 [thread overview] Message-ID: <1447679178-220222-8-git-send-email-john.garry@huawei.com> (raw) In-Reply-To: <1447679178-220222-1-git-send-email-john.garry@huawei.com> Allocate DMA and non-DMA memories for the controller. Also create DMA pools. These include: - Delivery queues - Completion queues - Command status buffer - Command table - ITCT (For device context) - Host slot info - IO status - Breakpoint - host slot indexing - SG data - FIS - interrupts names Signed-off-by: John Garry <john.garry@huawei.com> --- drivers/scsi/hisi_sas/hisi_sas.h | 30 +++++++++++ drivers/scsi/hisi_sas/hisi_sas_main.c | 94 +++++++++++++++++++++++++++++++++++ 2 files changed, 124 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 19d40b7..6d1b7d8 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -24,10 +24,17 @@ #define DRV_VERSION "v1.0" #define HISI_SAS_MAX_PHYS 9 +#define HISI_SAS_MAX_QUEUES 32 +#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) +#define HISI_SAS_COMMAND_TABLE_SZ \ + (((sizeof(union hisi_sas_command_table)+3)/4)*4) + #define HISI_SAS_NAME_LEN 32 struct hisi_sas_phy { @@ -38,7 +45,11 @@ struct hisi_sas_port { struct asd_sas_port sas_port; }; +struct hisi_sas_slot { +}; + struct hisi_sas_hw { + int complete_hdr_size; }; struct hisi_hba { @@ -63,6 +74,25 @@ struct hisi_hba { int queue_count; char *int_names; + + struct dma_pool *sge_page_pool; + struct dma_pool *command_table_pool; + struct dma_pool *status_buffer_pool; + struct hisi_sas_cmd_hdr *cmd_hdr[HISI_SAS_MAX_QUEUES]; + dma_addr_t cmd_hdr_dma[HISI_SAS_MAX_QUEUES]; + void *complete_hdr[HISI_SAS_MAX_QUEUES]; + dma_addr_t complete_hdr_dma[HISI_SAS_MAX_QUEUES]; + struct hisi_sas_initial_fis *initial_fis; + dma_addr_t initial_fis_dma; + struct hisi_sas_itct *itct; + dma_addr_t itct_dma; + struct hisi_sas_iost *iost; + dma_addr_t iost_dma; + struct hisi_sas_breakpoint *breakpoint; + dma_addr_t breakpoint_dma; + struct hisi_sas_breakpoint *sata_breakpoint; + dma_addr_t sata_breakpoint_dma; + struct hisi_sas_slot *slot_info; const struct hisi_sas_hw *hw; /* Low level hw interface */ }; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 4fc5a6c..97f5368 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -36,6 +36,97 @@ static struct scsi_host_template hisi_sas_sht = { 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; + + for (i = 0; i < hisi_hba->queue_count; i++) { + /* Delivery queue */ + s = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS; + hisi_hba->cmd_hdr[i] = dma_alloc_coherent(dev, s, + &hisi_hba->cmd_hdr_dma[i], GFP_KERNEL); + if (!hisi_hba->cmd_hdr[i]) + goto err_out; + memset(hisi_hba->cmd_hdr[i], 0, s); + + /* Completion queue */ + s = hisi_hba->hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS; + hisi_hba->complete_hdr[i] = dma_alloc_coherent(dev, s, + &hisi_hba->complete_hdr_dma[i], GFP_KERNEL); + if (!hisi_hba->complete_hdr[i]) + goto err_out; + memset(hisi_hba->complete_hdr[i], 0, s); + } + + s = HISI_SAS_STATUS_BUF_SZ; + hisi_hba->status_buffer_pool = dma_pool_create("status_buffer", + dev, s, 16, 0); + if (!hisi_hba->status_buffer_pool) + goto err_out; + + s = HISI_SAS_COMMAND_TABLE_SZ; + hisi_hba->command_table_pool = dma_pool_create("command_table", + dev, s, 16, 0); + if (!hisi_hba->command_table_pool) + goto err_out; + + s = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_itct); + hisi_hba->itct = dma_alloc_coherent(dev, s, &hisi_hba->itct_dma, + GFP_KERNEL); + if (!hisi_hba->itct) + goto err_out; + + memset(hisi_hba->itct, 0, s); + + hisi_hba->slot_info = devm_kcalloc(dev, HISI_SAS_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); + hisi_hba->iost = dma_alloc_coherent(dev, s, &hisi_hba->iost_dma, + GFP_KERNEL); + if (!hisi_hba->iost) + goto err_out; + + memset(hisi_hba->iost, 0, s); + + s = HISI_SAS_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) + goto err_out; + + memset(hisi_hba->breakpoint, 0, s); + + hisi_hba->sge_page_pool = dma_pool_create("status_sge", dev, + sizeof(struct hisi_sas_sge_page), 16, 0); + if (!hisi_hba->sge_page_pool) + goto err_out; + + s = sizeof(struct hisi_sas_initial_fis) * HISI_SAS_MAX_PHYS; + hisi_hba->initial_fis = dma_alloc_coherent(dev, s, + &hisi_hba->initial_fis_dma, GFP_KERNEL); + if (!hisi_hba->initial_fis) + goto err_out; + memset(hisi_hba->initial_fis, 0, s); + + s = HISI_SAS_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) + goto err_out; + memset(hisi_hba->sata_breakpoint, 0, s); + + return 0; +err_out: + return -ENOMEM; +} + + static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev, const struct hisi_sas_hw *hw) { @@ -97,6 +188,9 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev, if (IS_ERR(hisi_hba->ctrl)) goto err_out; + if (hisi_sas_alloc(hisi_hba, shost)) + goto err_out; + return shost; err_out: dev_err(dev, "shost alloc failed\n"); -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: John Garry <john.garry@huawei.com> To: JBottomley@odin.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, arnd@arndb.de Cc: linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linuxarm@huawei.com, john.garry2@mail.dcu.ie, hare@suse.de, xuwei5@hisilicon.com, zhangfei.gao@linaro.org, john.garry@huawei.com Subject: [PATCH v4 07/32] scsi: hisi_sas: allocate memories and create pools Date: Mon, 16 Nov 2015 21:05:53 +0800 [thread overview] Message-ID: <1447679178-220222-8-git-send-email-john.garry@huawei.com> (raw) In-Reply-To: <1447679178-220222-1-git-send-email-john.garry@huawei.com> Allocate DMA and non-DMA memories for the controller. Also create DMA pools. These include: - Delivery queues - Completion queues - Command status buffer - Command table - ITCT (For device context) - Host slot info - IO status - Breakpoint - host slot indexing - SG data - FIS - interrupts names Signed-off-by: John Garry <john.garry@huawei.com> --- drivers/scsi/hisi_sas/hisi_sas.h | 30 +++++++++++ drivers/scsi/hisi_sas/hisi_sas_main.c | 94 +++++++++++++++++++++++++++++++++++ 2 files changed, 124 insertions(+) diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 19d40b7..6d1b7d8 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -24,10 +24,17 @@ #define DRV_VERSION "v1.0" #define HISI_SAS_MAX_PHYS 9 +#define HISI_SAS_MAX_QUEUES 32 +#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) +#define HISI_SAS_COMMAND_TABLE_SZ \ + (((sizeof(union hisi_sas_command_table)+3)/4)*4) + #define HISI_SAS_NAME_LEN 32 struct hisi_sas_phy { @@ -38,7 +45,11 @@ struct hisi_sas_port { struct asd_sas_port sas_port; }; +struct hisi_sas_slot { +}; + struct hisi_sas_hw { + int complete_hdr_size; }; struct hisi_hba { @@ -63,6 +74,25 @@ struct hisi_hba { int queue_count; char *int_names; + + struct dma_pool *sge_page_pool; + struct dma_pool *command_table_pool; + struct dma_pool *status_buffer_pool; + struct hisi_sas_cmd_hdr *cmd_hdr[HISI_SAS_MAX_QUEUES]; + dma_addr_t cmd_hdr_dma[HISI_SAS_MAX_QUEUES]; + void *complete_hdr[HISI_SAS_MAX_QUEUES]; + dma_addr_t complete_hdr_dma[HISI_SAS_MAX_QUEUES]; + struct hisi_sas_initial_fis *initial_fis; + dma_addr_t initial_fis_dma; + struct hisi_sas_itct *itct; + dma_addr_t itct_dma; + struct hisi_sas_iost *iost; + dma_addr_t iost_dma; + struct hisi_sas_breakpoint *breakpoint; + dma_addr_t breakpoint_dma; + struct hisi_sas_breakpoint *sata_breakpoint; + dma_addr_t sata_breakpoint_dma; + struct hisi_sas_slot *slot_info; const struct hisi_sas_hw *hw; /* Low level hw interface */ }; diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index 4fc5a6c..97f5368 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -36,6 +36,97 @@ static struct scsi_host_template hisi_sas_sht = { 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; + + for (i = 0; i < hisi_hba->queue_count; i++) { + /* Delivery queue */ + s = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS; + hisi_hba->cmd_hdr[i] = dma_alloc_coherent(dev, s, + &hisi_hba->cmd_hdr_dma[i], GFP_KERNEL); + if (!hisi_hba->cmd_hdr[i]) + goto err_out; + memset(hisi_hba->cmd_hdr[i], 0, s); + + /* Completion queue */ + s = hisi_hba->hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS; + hisi_hba->complete_hdr[i] = dma_alloc_coherent(dev, s, + &hisi_hba->complete_hdr_dma[i], GFP_KERNEL); + if (!hisi_hba->complete_hdr[i]) + goto err_out; + memset(hisi_hba->complete_hdr[i], 0, s); + } + + s = HISI_SAS_STATUS_BUF_SZ; + hisi_hba->status_buffer_pool = dma_pool_create("status_buffer", + dev, s, 16, 0); + if (!hisi_hba->status_buffer_pool) + goto err_out; + + s = HISI_SAS_COMMAND_TABLE_SZ; + hisi_hba->command_table_pool = dma_pool_create("command_table", + dev, s, 16, 0); + if (!hisi_hba->command_table_pool) + goto err_out; + + s = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_itct); + hisi_hba->itct = dma_alloc_coherent(dev, s, &hisi_hba->itct_dma, + GFP_KERNEL); + if (!hisi_hba->itct) + goto err_out; + + memset(hisi_hba->itct, 0, s); + + hisi_hba->slot_info = devm_kcalloc(dev, HISI_SAS_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); + hisi_hba->iost = dma_alloc_coherent(dev, s, &hisi_hba->iost_dma, + GFP_KERNEL); + if (!hisi_hba->iost) + goto err_out; + + memset(hisi_hba->iost, 0, s); + + s = HISI_SAS_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) + goto err_out; + + memset(hisi_hba->breakpoint, 0, s); + + hisi_hba->sge_page_pool = dma_pool_create("status_sge", dev, + sizeof(struct hisi_sas_sge_page), 16, 0); + if (!hisi_hba->sge_page_pool) + goto err_out; + + s = sizeof(struct hisi_sas_initial_fis) * HISI_SAS_MAX_PHYS; + hisi_hba->initial_fis = dma_alloc_coherent(dev, s, + &hisi_hba->initial_fis_dma, GFP_KERNEL); + if (!hisi_hba->initial_fis) + goto err_out; + memset(hisi_hba->initial_fis, 0, s); + + s = HISI_SAS_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) + goto err_out; + memset(hisi_hba->sata_breakpoint, 0, s); + + return 0; +err_out: + return -ENOMEM; +} + + static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev, const struct hisi_sas_hw *hw) { @@ -97,6 +188,9 @@ static struct Scsi_Host *hisi_sas_shost_alloc(struct platform_device *pdev, if (IS_ERR(hisi_hba->ctrl)) goto err_out; + if (hisi_sas_alloc(hisi_hba, shost)) + goto err_out; + return shost; err_out: dev_err(dev, "shost alloc failed\n"); -- 1.9.1
next prev parent reply other threads:[~2015-11-16 13:24 UTC|newest] Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-11-16 13:05 [PATCH v4 00/32] HiSilicon SAS driver John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:05 ` [PATCH v4 01/32] [SCSI] sas: centralise ssp frame information units John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:05 ` [PATCH v4 02/32] devicetree: bindings: scsi: HiSi SAS John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:56 ` Rob Herring 2015-11-16 13:05 ` [PATCH v4 03/32] scsi: hisi_sas: add initial bare main driver John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 17:35 ` kbuild test robot 2015-11-16 17:35 ` kbuild test robot 2015-11-17 16:24 ` John Garry 2015-11-16 13:05 ` [PATCH v4 04/32] scsi: hisi_sas: add scsi host registration John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:05 ` [PATCH v4 05/32] scsi: hisi_sas: scan device tree John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 21:10 ` kbuild test robot 2015-11-16 21:10 ` kbuild test robot 2015-11-16 13:05 ` [PATCH v4 06/32] scsi: hisi_sas: add HW DMA structures John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:05 ` John Garry [this message] 2015-11-16 13:05 ` [PATCH v4 07/32] scsi: hisi_sas: allocate memories and create pools John Garry 2015-11-16 13:05 ` [PATCH v4 08/32] scsi: hisi_sas: add hisi_sas_remove John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:05 ` [PATCH v4 09/32] scsi: hisi_sas: add slot init code John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:05 ` [PATCH v4 10/32] scsi: hisi_sas: add cq structure initialization John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:05 ` [PATCH v4 11/32] scsi: hisi_sas: add phy SAS ADDR initialization John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:05 ` [PATCH v4 12/32] scsi: hisi_sas: set dev DMA mask John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:05 ` [PATCH v4 13/32] scsi: hisi_sas: add hisi_hba workqueue John Garry 2015-11-16 13:05 ` John Garry 2015-11-16 13:06 ` [PATCH v4 14/32] scsi: hisi_sas: add hisi sas device type John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 15/32] scsi: hisi_sas: add phy and port init John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 16/32] scsi: hisi_sas: add timer and spinlock init John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 17/32] scsi: hisi_sas: add v1 hw module init John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 18/32] scsi: hisi_sas: add v1 hardware register definitions John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 19/32] scsi: hisi_sas: add v1 HW initialisation code John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 20/32] scsi: hisi_sas: add v1 hw interrupt init John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 21/32] scsi: hisi_sas: add path from phyup irq to SAS framework John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 22/32] scsi: hisi_sas: add ssp command function John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 23/32] scsi: hisi_sas: add cq interrupt handler John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 24/32] scsi: hisi_sas: add dev_found and dev_gone John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 25/32] scsi: hisi_sas: add abnormal irq handler John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 26/32] scsi: hisi_sas: add bcast interrupt handler John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 27/32] scsi: hisi_sas: add smp protocol support John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 28/32] scsi: hisi_sas: add scan finished and start John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 29/32] scsi: hisi_sas: add tmf methods John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 30/32] scsi: hisi_sas: add control phy handler John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 31/32] scsi: hisi_sas: add fatal irq handler John Garry 2015-11-16 13:06 ` John Garry 2015-11-16 13:06 ` [PATCH v4 32/32] MAINTAINERS: add maintainer for HiSi SAS driver John Garry 2015-11-16 13:06 ` John Garry
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