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[PATCH v4 06/32] scsi: hisi_sas: add HW DMA structures

From John Garry <john.garry@huawei.com>
Newsgroups linux.kernel
Subject [PATCH v4 06/32] scsi: hisi_sas: add HW DMA structures
Date 2015-11-16 14:30 +0100
Message-ID <qvs13-7Qv-3@gated-at.bofh.it> (permalink)
References <qvrHI-7IR-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Signed-off-by: John Garry <john.garry@huawei.com>
---
 drivers/scsi/hisi_sas/hisi_sas.h | 131 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 131 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 87f4b61..19d40b7 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -66,5 +66,136 @@ struct hisi_hba {
 	const struct hisi_sas_hw *hw;	/* Low level hw interface */
 };
 
+/* Generic HW DMA host memory structures */
+/* Delivery queue header */
+struct hisi_sas_cmd_hdr {
+	/* dw0 */
+	__le32 dw0;
+
+	/* dw1 */
+	__le32 dw1;
+
+	/* dw2 */
+	__le32 dw2;
+
+	/* dw3 */
+	__le32 transfer_tags;
+
+	/* dw4 */
+	__le32 data_transfer_len;
+
+	/* dw5 */
+	__le32 first_burst_num;
+
+	/* dw6 */
+	__le32 sg_len;
+
+	/* dw7 */
+	__le32 dw7;
+
+	/* dw8-9 */
+	__le64 cmd_table_addr;
+
+	/* dw10-11 */
+	__le64 sts_buffer_addr;
+
+	/* dw12-13 */
+	__le64 prd_table_addr;
+
+	/* dw14-15 */
+	__le64 dif_prd_table_addr;
+};
+
+struct hisi_sas_itct {
+	__le64 qw0;
+	__le64 sas_addr;
+	__le64 qw2;
+	__le64 qw3;
+	__le64 qw4;
+	__le64 qw_sata_ncq0_3;
+	__le64 qw_sata_ncq7_4;
+	__le64 qw_sata_ncq11_8;
+	__le64 qw_sata_ncq15_12;
+	__le64 qw_sata_ncq19_16;
+	__le64 qw_sata_ncq23_20;
+	__le64 qw_sata_ncq27_24;
+	__le64 qw_sata_ncq31_28;
+	__le64 qw_non_ncq_iptt;
+	__le64 qw_rsvd0;
+	__le64 qw_rsvd1;
+};
+
+struct hisi_sas_iost {
+	__le64 qw0;
+	__le64 qw1;
+	__le64 qw2;
+	__le64 qw3;
+};
+
+struct hisi_sas_err_record {
+	/* dw0 */
+	__le32 dma_err_type;
+
+	/* dw1 */
+	__le32 trans_tx_fail_type;
+
+	/* dw2 */
+	__le32 trans_rx_fail_type;
+
+	/* dw3 */
+	u32 rsvd;
+};
+
+struct hisi_sas_initial_fis {
+	struct hisi_sas_err_record err_record;
+	struct dev_to_host_fis fis;
+	u32 rsvd[3];
+};
+
+struct hisi_sas_breakpoint {
+	u8	data[128];	/*io128 byte*/
+};
+
+struct hisi_sas_sge {
+	__le64 addr;
+	__le32 page_ctrl_0;
+	__le32 page_ctrl_1;
+	__le32 data_len;
+	__le32 data_off;
+};
+
+struct hisi_sas_command_table_smp {
+	u8 bytes[44];
+};
+
+struct hisi_sas_command_table_stp {
+	struct	host_to_dev_fis command_fis;
+	u8	dummy[12];
+	u8	atapi_cdb[ATAPI_CDB_LEN];
+};
+
 #define HISI_SAS_SGE_PAGE_CNT SCSI_MAX_SG_SEGMENTS
+struct hisi_sas_sge_page {
+	struct hisi_sas_sge sge[HISI_SAS_SGE_PAGE_CNT];
+};
+
+struct hisi_sas_command_table_ssp {
+	struct ssp_frame_hdr hdr;
+	union {
+		struct {
+			struct ssp_command_iu task;
+			u32 prot[6];
+		};
+		struct ssp_tmf_iu ssp_task;
+		struct xfer_rdy_iu xfer_rdy;
+		struct ssp_response_iu ssp_res;
+	} u;
+};
+
+union hisi_sas_command_table {
+	struct hisi_sas_command_table_ssp ssp;
+	struct hisi_sas_command_table_smp smp;
+	struct hisi_sas_command_table_stp stp;
+};
+
 #endif
-- 
1.9.1

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Thread

[PATCH v4 00/32] HiSilicon SAS driver John Garry <john.garry@huawei.com> - 2015-11-16 14:10 +0100
  [PATCH v4 01/32] [SCSI] sas: centralise ssp frame information units John Garry <john.garry@huawei.com> - 2015-11-16 14:20 +0100
  [PATCH v4 06/32] scsi: hisi_sas: add HW DMA structures John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 17/32] scsi: hisi_sas: add v1 hw module init John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 11/32] scsi: hisi_sas: add phy SAS ADDR initialization John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 07/32] scsi: hisi_sas: allocate memories and create pools John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 08/32] scsi: hisi_sas: add hisi_sas_remove John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 04/32] scsi: hisi_sas: add scsi host registration John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 22/32] scsi: hisi_sas: add ssp command function John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 14/32] scsi: hisi_sas: add hisi sas device type John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 15/32] scsi: hisi_sas: add phy and port init John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 02/32] devicetree: bindings: scsi: HiSi SAS John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
    Re: [PATCH v4 02/32] devicetree: bindings: scsi: HiSi SAS Rob Herring <robh@kernel.org> - 2015-11-16 15:00 +0100
  [PATCH v4 05/32] scsi: hisi_sas: scan device tree John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 16/32] scsi: hisi_sas: add timer and spinlock init John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 10/32] scsi: hisi_sas: add cq structure initialization John Garry <john.garry@huawei.com> - 2015-11-16 14:30 +0100
  [PATCH v4 24/32] scsi: hisi_sas: add dev_found and dev_gone John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 27/32] scsi: hisi_sas: add smp protocol support John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 32/32] MAINTAINERS: add maintainer for HiSi SAS driver John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 13/32] scsi: hisi_sas: add hisi_hba workqueue John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 12/32] scsi: hisi_sas: set dev DMA mask John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 20/32] scsi: hisi_sas: add v1 hw interrupt init John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 29/32] scsi: hisi_sas: add tmf methods John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 23/32] scsi: hisi_sas: add cq interrupt handler John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 30/32] scsi: hisi_sas: add control phy handler John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 21/32] scsi: hisi_sas: add path from phyup irq to SAS framework John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 09/32] scsi: hisi_sas: add slot init code John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 25/32] scsi: hisi_sas: add abnormal irq handler John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 31/32] scsi: hisi_sas: add fatal irq handler John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 03/32] scsi: hisi_sas: add initial bare main driver John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 19/32] scsi: hisi_sas: add v1 HW initialisation code John Garry <john.garry@huawei.com> - 2015-11-16 14:40 +0100
  [PATCH v4 26/32] scsi: hisi_sas: add bcast interrupt handler John Garry <john.garry@huawei.com> - 2015-11-16 14:50 +0100
  [PATCH v4 28/32] scsi: hisi_sas: add scan finished and start John Garry <john.garry@huawei.com> - 2015-11-16 15:00 +0100
  [PATCH v4 18/32] scsi: hisi_sas: add v1 hardware register definitions John Garry <john.garry@huawei.com> - 2015-11-16 15:00 +0100

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