From: John Garry <john.garry@huawei.com>
To: <jejb@linux.vnet.ibm.com>, <martin.petersen@oracle.com>
Cc: <linuxarm@huawei.com>, <linux-scsi@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <arnd@arndb.de>,
<hch@infradead.org>, "Xiang Chen" <chenxiang66@hisilicon.com>,
John Garry <john.garry@huawei.com>
Subject: [PATCH v6 19/22] scsi: hisi_sas: add v3 code to send internal abort command
Date: Wed, 14 Jun 2017 23:33:29 +0800 [thread overview]
Message-ID: <1497454412-91194-20-git-send-email-john.garry@huawei.com> (raw)
In-Reply-To: <1497454412-91194-1-git-send-email-john.garry@huawei.com>
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 b9ab24d..ef5c158 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;
@@ -1519,6 +1556,7 @@ 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
next prev parent reply other threads:[~2017-06-14 15:04 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-14 15:33 [PATCH v6 00/22] hisi_sas: hip08 support John Garry
2017-06-14 15:33 ` [PATCH v6 01/22] scsi: hisi_sas: fix timeout check in hisi_sas_internal_task_abort() John Garry
2017-06-14 15:33 ` [PATCH v6 02/22] scsi: hisi_sas: define hisi_sas_device.device_id as int John Garry
2017-06-14 15:33 ` [PATCH v6 03/22] scsi: hisi_sas: optimise the usage of hisi_hba.lock John Garry
2017-06-14 15:33 ` [PATCH v6 04/22] scsi: hisi_sas: relocate get_ata_protocol() John Garry
2017-06-14 15:33 ` [PATCH v6 05/22] scsi: hisi_sas: relocate sata_done_v2_hw() John Garry
2017-06-14 15:33 ` [PATCH v6 06/22] scsi: hisi_sas: relocate get_ncq_tag_v2_hw() John Garry
2017-06-14 15:33 ` [PATCH v6 07/22] scsi: hisi_sas: add pci_dev in hisi_hba struct John Garry
2017-06-14 15:33 ` [PATCH v6 08/22] scsi: hisi_sas: create hisi_sas_get_fw_info() John Garry
2017-06-14 15:33 ` [PATCH v6 09/22] scsi: hisi_sas: add skeleton v3 hw driver John Garry
2017-06-14 15:33 ` [PATCH v6 10/22] scsi: hisi_sas: add initialisation for v3 pci-based controller John Garry
2017-06-14 15:33 ` [PATCH v6 11/22] scsi: hisi_sas: add v3 hw init John Garry
2017-06-14 15:33 ` [PATCH v6 12/22] scsi: hisi_sas: add v3 hw PHY init John Garry
2017-06-14 15:33 ` [PATCH v6 13/22] scsi: hisi_sas: add phy up/down/bcast and channel ISR John Garry
2017-06-14 15:33 ` [PATCH v6 14/22] scsi: hisi_sas: add v3 cq interrupt handler John Garry
2017-06-14 15:33 ` [PATCH v6 15/22] scsi: hisi_sas: add v3 code to send SSP frame John Garry
2017-06-14 15:33 ` [PATCH v6 16/22] scsi: hisi_sas: add v3 code to send SMP frame John Garry
2017-06-14 15:33 ` [PATCH v6 17/22] scsi: hisi_sas: add v3 code to send ATA frame John Garry
2017-06-14 15:33 ` [PATCH v6 18/22] scsi: hisi_sas: add v3 code for itct setup and free John Garry
2017-06-14 15:33 ` John Garry [this message]
2017-06-14 15:33 ` [PATCH v6 20/22] scsi: hisi_sas: add get_wideport_bitmap_v3_hw() John Garry
2017-06-14 15:33 ` [PATCH v6 21/22] scsi: hisi_sas: add v3 code to fill some more hw function pointers John Garry
2017-06-14 15:33 ` [PATCH v6 22/22] scsi: hisi_sas: modify internal abort dev flow for v3 hw John Garry
2017-06-20 1:41 ` [PATCH v6 00/22] hisi_sas: hip08 support Martin K. Petersen
2017-06-20 9:21 ` John Garry
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