Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1659889

[PATCH v4 19/23] scsi: hisi_sas: add v3 code to send internal abort command

From John Garry <john.garry@huawei.com>
Newsgroups linux.kernel
Subject [PATCH v4 19/23] scsi: hisi_sas: add v3 code to send internal abort command
Date 2017-06-07 17:00 +0200
Message-ID <tPKBd-7Z0-39@gated-at.bofh.it> (permalink)
References <tPKBc-7Z0-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


From: Xiang Chen <chenxiang66@hisilicon.com>

Add code to prepare internal abort command.

Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
---
 drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 38 ++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 9b9c070..2fb2455 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -165,6 +165,10 @@
 /* HW dma structures */
 /* Delivery queue header */
 /* dw0 */
+#define CMD_HDR_ABORT_FLAG_OFF		0
+#define CMD_HDR_ABORT_FLAG_MSK		(0x3 << CMD_HDR_ABORT_FLAG_OFF)
+#define CMD_HDR_ABORT_DEVICE_TYPE_OFF	2
+#define CMD_HDR_ABORT_DEVICE_TYPE_MSK	(0x1 << CMD_HDR_ABORT_DEVICE_TYPE_OFF)
 #define CMD_HDR_RESP_REPORT_OFF		5
 #define CMD_HDR_RESP_REPORT_MSK		(0x1 << CMD_HDR_RESP_REPORT_OFF)
 #define CMD_HDR_TLR_CTRL_OFF		6
@@ -204,6 +208,11 @@
 #define CMD_HDR_DIF_SGL_LEN_MSK		(0xffff << CMD_HDR_DIF_SGL_LEN_OFF)
 #define CMD_HDR_DATA_SGL_LEN_OFF	16
 #define CMD_HDR_DATA_SGL_LEN_MSK	(0xffff << CMD_HDR_DATA_SGL_LEN_OFF)
+/* dw7 */
+#define CMD_HDR_ADDR_MODE_SEL_OFF		15
+#define CMD_HDR_ADDR_MODE_SEL_MSK		(1 << CMD_HDR_ADDR_MODE_SEL_OFF)
+#define CMD_HDR_ABORT_IPTT_OFF		16
+#define CMD_HDR_ABORT_IPTT_MSK		(0xffff << CMD_HDR_ABORT_IPTT_OFF)
 
 /* Completion header */
 /* dw0 */
@@ -942,6 +951,34 @@ static int prep_ata_v3_hw(struct hisi_hba *hisi_hba,
 	return 0;
 }
 
+static int prep_abort_v3_hw(struct hisi_hba *hisi_hba,
+		struct hisi_sas_slot *slot,
+		int device_id, int abort_flag, int tag_to_abort)
+{
+	struct sas_task *task = slot->task;
+	struct domain_device *dev = task->dev;
+	struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
+	struct hisi_sas_port *port = slot->port;
+
+	/* dw0 */
+	hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/
+			       (port->id << CMD_HDR_PORT_OFF) |
+				   ((dev_is_sata(dev) ? 1:0)
+					<< CMD_HDR_ABORT_DEVICE_TYPE_OFF) |
+					(abort_flag
+					 << CMD_HDR_ABORT_FLAG_OFF));
+
+	/* dw1 */
+	hdr->dw1 = cpu_to_le32(device_id
+			<< CMD_HDR_DEV_ID_OFF);
+
+	/* 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_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
 {
 	int i, res = 0;
@@ -1544,6 +1581,7 @@ static int hisi_sas_v3_init(struct hisi_hba *hisi_hba)
 	.prep_ssp = prep_ssp_v3_hw,
 	.prep_smp = prep_smp_v3_hw,
 	.prep_stp = prep_ata_v3_hw,
+	.prep_abort = prep_abort_v3_hw,
 	.get_free_slot = get_free_slot_v3_hw,
 	.start_delivery = start_delivery_v3_hw,
 	.slot_complete = slot_complete_v3_hw,
-- 
1.9.1

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH v4 00/23] hisi_sas: hip08 support John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 11/23] scsi: hisi_sas: add v3 hw init John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 03/23] scsi: hisi_sas: optimise the usage of hisi_hba.lock John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 15/23] scsi: hisi_sas: add v3 code to send SSP frame John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 07/23] scsi: hisi_sas: add pci_dev in hisi_hba struct John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 20/23] scsi: hisi_sas: add get_wideport_bitmap_v3_hw() John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 23/23] scsi: hisi_sas: modify internal abort dev flow for v3 hw John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 21/23] scsi: hisi_sas: Add v3 code to support ECC and AXI bus fatal error John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 10/23] scsi: hisi_sas: add initialisation for v3 pci-based controller John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 19/23] scsi: hisi_sas: add v3 code to send internal abort command John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 04/23] scsi: hisi_sas: relocate get_ata_protocol() John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 02/23] scsi: hisi_sas: define hisi_sas_device.device_id as int John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 12/23] scsi: hisi_sas: add v3 hw PHY init John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 17/23] scsi: hisi_sas: add v3 code to send ATA frame John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 16/23] scsi: hisi_sas: add v3 code to send SMP frame John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 01/23] scsi: hisi_sas: fix timeout check in hisi_sas_internal_task_abort() John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 06/23] scsi: hisi_sas: relocate get_ncq_tag_v2_hw() John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 13/23] scsi: hisi_sas: add phy up/down/bcast and channel ISR John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 18/23] scsi: hisi_sas: add v3 code for itct setup and free John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 22/23] scsi: hisi_sas: add v3 code to fill some more hw function pointers John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200
  [PATCH v4 09/23] scsi: hisi_sas: add skeleton v3 hw driver John Garry <john.garry@huawei.com> - 2017-06-07 17:00 +0200

csiph-web