d2ce0e5ab5
There is a extraneous space after a newline in a dev_info message. Remove it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20240902144153.309920-1-colin.i.king@gmail.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
5170 lines
146 KiB
C
5170 lines
146 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2017 Hisilicon Limited.
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*/
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#include <linux/sched/clock.h>
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#include "hisi_sas.h"
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#define DRV_NAME "hisi_sas_v3_hw"
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/* global registers need init */
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#define DLVRY_QUEUE_ENABLE 0x0
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#define IOST_BASE_ADDR_LO 0x8
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#define IOST_BASE_ADDR_HI 0xc
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#define ITCT_BASE_ADDR_LO 0x10
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#define ITCT_BASE_ADDR_HI 0x14
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#define IO_BROKEN_MSG_ADDR_LO 0x18
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#define IO_BROKEN_MSG_ADDR_HI 0x1c
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#define PHY_CONTEXT 0x20
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#define PHY_STATE 0x24
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#define PHY_PORT_NUM_MA 0x28
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#define PHY_CONN_RATE 0x30
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#define ITCT_CLR 0x44
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#define ITCT_CLR_EN_OFF 16
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#define ITCT_CLR_EN_MSK (0x1 << ITCT_CLR_EN_OFF)
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#define ITCT_DEV_OFF 0
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#define ITCT_DEV_MSK (0x7ff << ITCT_DEV_OFF)
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#define SAS_AXI_USER3 0x50
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#define IO_SATA_BROKEN_MSG_ADDR_LO 0x58
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#define IO_SATA_BROKEN_MSG_ADDR_HI 0x5c
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#define SATA_INITI_D2H_STORE_ADDR_LO 0x60
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#define SATA_INITI_D2H_STORE_ADDR_HI 0x64
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#define CFG_MAX_TAG 0x68
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#define TRANS_LOCK_ICT_TIME 0X70
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#define HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL 0x84
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#define HGC_SAS_TXFAIL_RETRY_CTRL 0x88
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#define HGC_GET_ITV_TIME 0x90
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#define DEVICE_MSG_WORK_MODE 0x94
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#define OPENA_WT_CONTI_TIME 0x9c
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#define I_T_NEXUS_LOSS_TIME 0xa0
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#define MAX_CON_TIME_LIMIT_TIME 0xa4
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#define BUS_INACTIVE_LIMIT_TIME 0xa8
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#define REJECT_TO_OPEN_LIMIT_TIME 0xac
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#define CQ_INT_CONVERGE_EN 0xb0
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#define CFG_AGING_TIME 0xbc
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#define HGC_DFX_CFG2 0xc0
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#define CFG_ABT_SET_QUERY_IPTT 0xd4
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#define CFG_SET_ABORTED_IPTT_OFF 0
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#define CFG_SET_ABORTED_IPTT_MSK (0xfff << CFG_SET_ABORTED_IPTT_OFF)
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#define CFG_SET_ABORTED_EN_OFF 12
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#define CFG_ABT_SET_IPTT_DONE 0xd8
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#define CFG_ABT_SET_IPTT_DONE_OFF 0
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#define HGC_IOMB_PROC1_STATUS 0x104
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#define HGC_LM_DFX_STATUS2 0x128
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#define HGC_LM_DFX_STATUS2_IOSTLIST_OFF 0
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#define HGC_LM_DFX_STATUS2_IOSTLIST_MSK (0xfff << \
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HGC_LM_DFX_STATUS2_IOSTLIST_OFF)
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#define HGC_LM_DFX_STATUS2_ITCTLIST_OFF 12
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#define HGC_LM_DFX_STATUS2_ITCTLIST_MSK (0x7ff << \
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HGC_LM_DFX_STATUS2_ITCTLIST_OFF)
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#define HGC_CQE_ECC_ADDR 0x13c
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#define HGC_CQE_ECC_1B_ADDR_OFF 0
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#define HGC_CQE_ECC_1B_ADDR_MSK (0x3f << HGC_CQE_ECC_1B_ADDR_OFF)
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#define HGC_CQE_ECC_MB_ADDR_OFF 8
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#define HGC_CQE_ECC_MB_ADDR_MSK (0x3f << HGC_CQE_ECC_MB_ADDR_OFF)
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#define HGC_IOST_ECC_ADDR 0x140
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#define HGC_IOST_ECC_1B_ADDR_OFF 0
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#define HGC_IOST_ECC_1B_ADDR_MSK (0x3ff << HGC_IOST_ECC_1B_ADDR_OFF)
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#define HGC_IOST_ECC_MB_ADDR_OFF 16
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#define HGC_IOST_ECC_MB_ADDR_MSK (0x3ff << HGC_IOST_ECC_MB_ADDR_OFF)
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#define HGC_DQE_ECC_ADDR 0x144
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#define HGC_DQE_ECC_1B_ADDR_OFF 0
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#define HGC_DQE_ECC_1B_ADDR_MSK (0xfff << HGC_DQE_ECC_1B_ADDR_OFF)
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#define HGC_DQE_ECC_MB_ADDR_OFF 16
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#define HGC_DQE_ECC_MB_ADDR_MSK (0xfff << HGC_DQE_ECC_MB_ADDR_OFF)
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#define CHNL_INT_STATUS 0x148
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#define TAB_DFX 0x14c
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#define HGC_ITCT_ECC_ADDR 0x150
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#define HGC_ITCT_ECC_1B_ADDR_OFF 0
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#define HGC_ITCT_ECC_1B_ADDR_MSK (0x3ff << \
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HGC_ITCT_ECC_1B_ADDR_OFF)
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#define HGC_ITCT_ECC_MB_ADDR_OFF 16
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#define HGC_ITCT_ECC_MB_ADDR_MSK (0x3ff << \
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HGC_ITCT_ECC_MB_ADDR_OFF)
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#define HGC_AXI_FIFO_ERR_INFO 0x154
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#define AXI_ERR_INFO_OFF 0
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#define AXI_ERR_INFO_MSK (0xff << AXI_ERR_INFO_OFF)
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#define FIFO_ERR_INFO_OFF 8
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#define FIFO_ERR_INFO_MSK (0xff << FIFO_ERR_INFO_OFF)
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#define TAB_RD_TYPE 0x15c
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#define INT_COAL_EN 0x19c
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#define OQ_INT_COAL_TIME 0x1a0
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#define OQ_INT_COAL_CNT 0x1a4
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#define ENT_INT_COAL_TIME 0x1a8
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#define ENT_INT_COAL_CNT 0x1ac
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#define OQ_INT_SRC 0x1b0
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#define OQ_INT_SRC_MSK 0x1b4
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#define ENT_INT_SRC1 0x1b8
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#define ENT_INT_SRC1_D2H_FIS_CH0_OFF 0
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#define ENT_INT_SRC1_D2H_FIS_CH0_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH0_OFF)
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#define ENT_INT_SRC1_D2H_FIS_CH1_OFF 8
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#define ENT_INT_SRC1_D2H_FIS_CH1_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH1_OFF)
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#define ENT_INT_SRC2 0x1bc
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#define ENT_INT_SRC3 0x1c0
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#define ENT_INT_SRC3_WP_DEPTH_OFF 8
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#define ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF 9
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#define ENT_INT_SRC3_RP_DEPTH_OFF 10
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#define ENT_INT_SRC3_AXI_OFF 11
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#define ENT_INT_SRC3_FIFO_OFF 12
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#define ENT_INT_SRC3_LM_OFF 14
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#define ENT_INT_SRC3_ITC_INT_OFF 15
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#define ENT_INT_SRC3_ITC_INT_MSK (0x1 << ENT_INT_SRC3_ITC_INT_OFF)
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#define ENT_INT_SRC3_ABT_OFF 16
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#define ENT_INT_SRC3_DQE_POISON_OFF 18
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#define ENT_INT_SRC3_IOST_POISON_OFF 19
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#define ENT_INT_SRC3_ITCT_POISON_OFF 20
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#define ENT_INT_SRC3_ITCT_NCQ_POISON_OFF 21
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#define ENT_INT_SRC_MSK1 0x1c4
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#define ENT_INT_SRC_MSK2 0x1c8
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#define ENT_INT_SRC_MSK3 0x1cc
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#define ENT_INT_SRC_MSK3_ENT95_MSK_OFF 31
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#define CHNL_PHYUPDOWN_INT_MSK 0x1d0
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#define CHNL_ENT_INT_MSK 0x1d4
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#define HGC_COM_INT_MSK 0x1d8
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#define ENT_INT_SRC_MSK3_ENT95_MSK_MSK (0x1 << ENT_INT_SRC_MSK3_ENT95_MSK_OFF)
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#define SAS_ECC_INTR 0x1e8
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#define SAS_ECC_INTR_DQE_ECC_1B_OFF 0
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#define SAS_ECC_INTR_DQE_ECC_MB_OFF 1
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#define SAS_ECC_INTR_IOST_ECC_1B_OFF 2
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#define SAS_ECC_INTR_IOST_ECC_MB_OFF 3
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#define SAS_ECC_INTR_ITCT_ECC_1B_OFF 4
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#define SAS_ECC_INTR_ITCT_ECC_MB_OFF 5
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#define SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF 6
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#define SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF 7
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#define SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF 8
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#define SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF 9
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#define SAS_ECC_INTR_CQE_ECC_1B_OFF 10
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#define SAS_ECC_INTR_CQE_ECC_MB_OFF 11
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#define SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF 12
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#define SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF 13
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#define SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF 14
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#define SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF 15
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#define SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF 16
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#define SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF 17
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#define SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF 18
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#define SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF 19
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#define SAS_ECC_INTR_OOO_RAM_ECC_1B_OFF 20
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#define SAS_ECC_INTR_OOO_RAM_ECC_MB_OFF 21
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#define SAS_ECC_INTR_MSK 0x1ec
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#define HGC_ERR_STAT_EN 0x238
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#define CQE_SEND_CNT 0x248
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#define DLVRY_Q_0_BASE_ADDR_LO 0x260
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#define DLVRY_Q_0_BASE_ADDR_HI 0x264
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#define DLVRY_Q_0_DEPTH 0x268
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#define DLVRY_Q_0_WR_PTR 0x26c
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#define DLVRY_Q_0_RD_PTR 0x270
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#define HYPER_STREAM_ID_EN_CFG 0xc80
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#define OQ0_INT_SRC_MSK 0xc90
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#define COMPL_Q_0_BASE_ADDR_LO 0x4e0
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#define COMPL_Q_0_BASE_ADDR_HI 0x4e4
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#define COMPL_Q_0_DEPTH 0x4e8
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#define COMPL_Q_0_WR_PTR 0x4ec
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#define COMPL_Q_0_RD_PTR 0x4f0
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#define HGC_RXM_DFX_STATUS14 0xae8
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#define HGC_RXM_DFX_STATUS14_MEM0_OFF 0
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#define HGC_RXM_DFX_STATUS14_MEM0_MSK (0x1ff << \
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HGC_RXM_DFX_STATUS14_MEM0_OFF)
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#define HGC_RXM_DFX_STATUS14_MEM1_OFF 9
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#define HGC_RXM_DFX_STATUS14_MEM1_MSK (0x1ff << \
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HGC_RXM_DFX_STATUS14_MEM1_OFF)
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#define HGC_RXM_DFX_STATUS14_MEM2_OFF 18
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#define HGC_RXM_DFX_STATUS14_MEM2_MSK (0x1ff << \
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HGC_RXM_DFX_STATUS14_MEM2_OFF)
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#define HGC_RXM_DFX_STATUS15 0xaec
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#define HGC_RXM_DFX_STATUS15_MEM3_OFF 0
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#define HGC_RXM_DFX_STATUS15_MEM3_MSK (0x1ff << \
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HGC_RXM_DFX_STATUS15_MEM3_OFF)
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#define AWQOS_AWCACHE_CFG 0xc84
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#define ARQOS_ARCACHE_CFG 0xc88
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#define HILINK_ERR_DFX 0xe04
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#define SAS_GPIO_CFG_0 0x1000
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#define SAS_GPIO_CFG_1 0x1004
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#define SAS_GPIO_TX_0_1 0x1040
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#define SAS_CFG_DRIVE_VLD 0x1070
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/* phy registers requiring init */
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#define PORT_BASE (0x2000)
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#define PHY_CFG (PORT_BASE + 0x0)
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#define HARD_PHY_LINKRATE (PORT_BASE + 0x4)
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#define PHY_CFG_ENA_OFF 0
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#define PHY_CFG_ENA_MSK (0x1 << PHY_CFG_ENA_OFF)
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#define PHY_CFG_DC_OPT_OFF 2
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#define PHY_CFG_DC_OPT_MSK (0x1 << PHY_CFG_DC_OPT_OFF)
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#define PHY_CFG_PHY_RST_OFF 3
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#define PHY_CFG_PHY_RST_MSK (0x1 << PHY_CFG_PHY_RST_OFF)
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#define PROG_PHY_LINK_RATE (PORT_BASE + 0x8)
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#define CFG_PROG_PHY_LINK_RATE_OFF 0
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#define CFG_PROG_PHY_LINK_RATE_MSK (0xff << CFG_PROG_PHY_LINK_RATE_OFF)
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#define CFG_PROG_OOB_PHY_LINK_RATE_OFF 8
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#define CFG_PROG_OOB_PHY_LINK_RATE_MSK (0xf << CFG_PROG_OOB_PHY_LINK_RATE_OFF)
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#define PHY_CTRL (PORT_BASE + 0x14)
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#define PHY_CTRL_RESET_OFF 0
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#define PHY_CTRL_RESET_MSK (0x1 << PHY_CTRL_RESET_OFF)
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#define CMD_HDR_PIR_OFF 8
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#define CMD_HDR_PIR_MSK (0x1 << CMD_HDR_PIR_OFF)
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#define SERDES_CFG (PORT_BASE + 0x1c)
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#define CFG_ALOS_CHK_DISABLE_OFF 9
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#define CFG_ALOS_CHK_DISABLE_MSK (0x1 << CFG_ALOS_CHK_DISABLE_OFF)
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#define SAS_PHY_BIST_CTRL (PORT_BASE + 0x2c)
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#define CFG_BIST_MODE_SEL_OFF 0
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#define CFG_BIST_MODE_SEL_MSK (0xf << CFG_BIST_MODE_SEL_OFF)
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#define CFG_LOOP_TEST_MODE_OFF 14
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#define CFG_LOOP_TEST_MODE_MSK (0x3 << CFG_LOOP_TEST_MODE_OFF)
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#define CFG_RX_BIST_EN_OFF 16
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#define CFG_RX_BIST_EN_MSK (0x1 << CFG_RX_BIST_EN_OFF)
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#define CFG_TX_BIST_EN_OFF 17
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#define CFG_TX_BIST_EN_MSK (0x1 << CFG_TX_BIST_EN_OFF)
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#define CFG_BIST_TEST_OFF 18
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#define CFG_BIST_TEST_MSK (0x1 << CFG_BIST_TEST_OFF)
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#define SAS_PHY_BIST_CODE (PORT_BASE + 0x30)
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#define SAS_PHY_BIST_CODE1 (PORT_BASE + 0x34)
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#define SAS_BIST_ERR_CNT (PORT_BASE + 0x38)
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#define SL_CFG (PORT_BASE + 0x84)
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#define AIP_LIMIT (PORT_BASE + 0x90)
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#define SL_CONTROL (PORT_BASE + 0x94)
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#define SL_CONTROL_NOTIFY_EN_OFF 0
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#define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF)
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#define SL_CTA_OFF 17
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#define SL_CTA_MSK (0x1 << SL_CTA_OFF)
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#define RX_PRIMS_STATUS (PORT_BASE + 0x98)
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#define RX_BCAST_CHG_OFF 1
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#define RX_BCAST_CHG_MSK (0x1 << RX_BCAST_CHG_OFF)
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#define TX_ID_DWORD0 (PORT_BASE + 0x9c)
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#define TX_ID_DWORD1 (PORT_BASE + 0xa0)
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#define TX_ID_DWORD2 (PORT_BASE + 0xa4)
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#define TX_ID_DWORD3 (PORT_BASE + 0xa8)
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#define TX_ID_DWORD4 (PORT_BASE + 0xaC)
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#define TX_ID_DWORD5 (PORT_BASE + 0xb0)
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#define TX_ID_DWORD6 (PORT_BASE + 0xb4)
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#define TXID_AUTO (PORT_BASE + 0xb8)
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#define CT3_OFF 1
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#define CT3_MSK (0x1 << CT3_OFF)
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#define TX_HARDRST_OFF 2
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#define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF)
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#define RX_IDAF_DWORD0 (PORT_BASE + 0xc4)
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#define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc)
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#define STP_LINK_TIMER (PORT_BASE + 0x120)
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#define STP_LINK_TIMEOUT_STATE (PORT_BASE + 0x124)
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#define CON_CFG_DRIVER (PORT_BASE + 0x130)
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#define SAS_SSP_CON_TIMER_CFG (PORT_BASE + 0x134)
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#define SAS_SMP_CON_TIMER_CFG (PORT_BASE + 0x138)
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#define SAS_STP_CON_TIMER_CFG (PORT_BASE + 0x13c)
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#define CHL_INT0 (PORT_BASE + 0x1b4)
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#define CHL_INT0_HOTPLUG_TOUT_OFF 0
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#define CHL_INT0_HOTPLUG_TOUT_MSK (0x1 << CHL_INT0_HOTPLUG_TOUT_OFF)
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#define CHL_INT0_SL_RX_BCST_ACK_OFF 1
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#define CHL_INT0_SL_RX_BCST_ACK_MSK (0x1 << CHL_INT0_SL_RX_BCST_ACK_OFF)
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#define CHL_INT0_SL_PHY_ENABLE_OFF 2
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#define CHL_INT0_SL_PHY_ENABLE_MSK (0x1 << CHL_INT0_SL_PHY_ENABLE_OFF)
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#define CHL_INT0_NOT_RDY_OFF 4
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#define CHL_INT0_NOT_RDY_MSK (0x1 << CHL_INT0_NOT_RDY_OFF)
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#define CHL_INT0_PHY_RDY_OFF 5
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#define CHL_INT0_PHY_RDY_MSK (0x1 << CHL_INT0_PHY_RDY_OFF)
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#define CHL_INT1 (PORT_BASE + 0x1b8)
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#define CHL_INT1_DMAC_TX_ECC_MB_ERR_OFF 15
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#define CHL_INT1_DMAC_TX_ECC_1B_ERR_OFF 16
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#define CHL_INT1_DMAC_RX_ECC_MB_ERR_OFF 17
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#define CHL_INT1_DMAC_RX_ECC_1B_ERR_OFF 18
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#define CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF 19
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#define CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF 20
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#define CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF 21
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#define CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF 22
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#define CHL_INT1_DMAC_TX_FIFO_ERR_OFF 23
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#define CHL_INT1_DMAC_RX_FIFO_ERR_OFF 24
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#define CHL_INT1_DMAC_TX_AXI_RUSER_ERR_OFF 26
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#define CHL_INT1_DMAC_RX_AXI_RUSER_ERR_OFF 27
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#define CHL_INT2 (PORT_BASE + 0x1bc)
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#define CHL_INT2_SL_IDAF_TOUT_CONF_OFF 0
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#define CHL_INT2_RX_DISP_ERR_OFF 28
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#define CHL_INT2_RX_CODE_ERR_OFF 29
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#define CHL_INT2_RX_INVLD_DW_OFF 30
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#define CHL_INT2_STP_LINK_TIMEOUT_OFF 31
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#define CHL_INT0_MSK (PORT_BASE + 0x1c0)
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#define CHL_INT1_MSK (PORT_BASE + 0x1c4)
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#define CHL_INT2_MSK (PORT_BASE + 0x1c8)
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#define SAS_EC_INT_COAL_TIME (PORT_BASE + 0x1cc)
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#define CHL_INT_COAL_EN (PORT_BASE + 0x1d0)
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#define SAS_RX_TRAIN_TIMER (PORT_BASE + 0x2a4)
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#define PHY_CTRL_RDY_MSK (PORT_BASE + 0x2b0)
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#define PHYCTRL_NOT_RDY_MSK (PORT_BASE + 0x2b4)
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#define PHYCTRL_DWS_RESET_MSK (PORT_BASE + 0x2b8)
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#define PHYCTRL_PHY_ENA_MSK (PORT_BASE + 0x2bc)
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#define SL_RX_BCAST_CHK_MSK (PORT_BASE + 0x2c0)
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#define PHYCTRL_OOB_RESTART_MSK (PORT_BASE + 0x2c4)
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#define DMA_TX_STATUS (PORT_BASE + 0x2d0)
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#define DMA_TX_STATUS_BUSY_OFF 0
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#define DMA_TX_STATUS_BUSY_MSK (0x1 << DMA_TX_STATUS_BUSY_OFF)
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#define DMA_RX_STATUS (PORT_BASE + 0x2e8)
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#define DMA_RX_STATUS_BUSY_OFF 0
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#define DMA_RX_STATUS_BUSY_MSK (0x1 << DMA_RX_STATUS_BUSY_OFF)
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#define COARSETUNE_TIME (PORT_BASE + 0x304)
|
|
#define TXDEEMPH_G1 (PORT_BASE + 0x350)
|
|
#define ERR_CNT_DWS_LOST (PORT_BASE + 0x380)
|
|
#define ERR_CNT_RESET_PROB (PORT_BASE + 0x384)
|
|
#define ERR_CNT_INVLD_DW (PORT_BASE + 0x390)
|
|
#define ERR_CNT_CODE_ERR (PORT_BASE + 0x394)
|
|
#define ERR_CNT_DISP_ERR (PORT_BASE + 0x398)
|
|
#define DFX_FIFO_CTRL (PORT_BASE + 0x3a0)
|
|
#define DFX_FIFO_CTRL_TRIGGER_MODE_OFF 0
|
|
#define DFX_FIFO_CTRL_TRIGGER_MODE_MSK (0x7 << DFX_FIFO_CTRL_TRIGGER_MODE_OFF)
|
|
#define DFX_FIFO_CTRL_DUMP_MODE_OFF 3
|
|
#define DFX_FIFO_CTRL_DUMP_MODE_MSK (0x7 << DFX_FIFO_CTRL_DUMP_MODE_OFF)
|
|
#define DFX_FIFO_CTRL_SIGNAL_SEL_OFF 6
|
|
#define DFX_FIFO_CTRL_SIGNAL_SEL_MSK (0xF << DFX_FIFO_CTRL_SIGNAL_SEL_OFF)
|
|
#define DFX_FIFO_CTRL_DUMP_DISABLE_OFF 10
|
|
#define DFX_FIFO_CTRL_DUMP_DISABLE_MSK (0x1 << DFX_FIFO_CTRL_DUMP_DISABLE_OFF)
|
|
#define DFX_FIFO_TRIGGER (PORT_BASE + 0x3a4)
|
|
#define DFX_FIFO_TRIGGER_MSK (PORT_BASE + 0x3a8)
|
|
#define DFX_FIFO_DUMP_MSK (PORT_BASE + 0x3aC)
|
|
#define DFX_FIFO_RD_DATA (PORT_BASE + 0x3b0)
|
|
|
|
#define DEFAULT_ITCT_HW 2048 /* reset value, not reprogrammed */
|
|
#if (HISI_SAS_MAX_DEVICES > DEFAULT_ITCT_HW)
|
|
#error Max ITCT exceeded
|
|
#endif
|
|
|
|
#define AXI_MASTER_CFG_BASE (0x5000)
|
|
#define AM_CTRL_GLOBAL (0x0)
|
|
#define AM_CTRL_SHUTDOWN_REQ_OFF 0
|
|
#define AM_CTRL_SHUTDOWN_REQ_MSK (0x1 << AM_CTRL_SHUTDOWN_REQ_OFF)
|
|
#define AM_CURR_TRANS_RETURN (0x150)
|
|
|
|
#define AM_CFG_MAX_TRANS (0x5010)
|
|
#define AM_CFG_SINGLE_PORT_MAX_TRANS (0x5014)
|
|
#define AXI_CFG (0x5100)
|
|
#define AM_ROB_ECC_ERR_ADDR (0x510c)
|
|
#define AM_ROB_ECC_ERR_ADDR_OFF 0
|
|
#define AM_ROB_ECC_ERR_ADDR_MSK 0xffffffff
|
|
|
|
/* RAS registers need init */
|
|
#define RAS_BASE (0x6000)
|
|
#define SAS_RAS_INTR0 (RAS_BASE)
|
|
#define SAS_RAS_INTR1 (RAS_BASE + 0x04)
|
|
#define SAS_RAS_INTR0_MASK (RAS_BASE + 0x08)
|
|
#define SAS_RAS_INTR1_MASK (RAS_BASE + 0x0c)
|
|
#define CFG_SAS_RAS_INTR_MASK (RAS_BASE + 0x1c)
|
|
#define SAS_RAS_INTR2 (RAS_BASE + 0x20)
|
|
#define SAS_RAS_INTR2_MASK (RAS_BASE + 0x24)
|
|
|
|
/* 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
|
|
#define CMD_HDR_TLR_CTRL_MSK (0x3 << CMD_HDR_TLR_CTRL_OFF)
|
|
#define CMD_HDR_PORT_OFF 18
|
|
#define CMD_HDR_PORT_MSK (0xf << CMD_HDR_PORT_OFF)
|
|
#define CMD_HDR_PRIORITY_OFF 27
|
|
#define CMD_HDR_PRIORITY_MSK (0x1 << CMD_HDR_PRIORITY_OFF)
|
|
#define CMD_HDR_CMD_OFF 29
|
|
#define CMD_HDR_CMD_MSK (0x7 << CMD_HDR_CMD_OFF)
|
|
/* dw1 */
|
|
#define CMD_HDR_UNCON_CMD_OFF 3
|
|
#define CMD_HDR_DIR_OFF 5
|
|
#define CMD_HDR_DIR_MSK (0x3 << CMD_HDR_DIR_OFF)
|
|
#define CMD_HDR_RESET_OFF 7
|
|
#define CMD_HDR_RESET_MSK (0x1 << CMD_HDR_RESET_OFF)
|
|
#define CMD_HDR_VDTL_OFF 10
|
|
#define CMD_HDR_VDTL_MSK (0x1 << CMD_HDR_VDTL_OFF)
|
|
#define CMD_HDR_FRAME_TYPE_OFF 11
|
|
#define CMD_HDR_FRAME_TYPE_MSK (0x1f << CMD_HDR_FRAME_TYPE_OFF)
|
|
#define CMD_HDR_DEV_ID_OFF 16
|
|
#define CMD_HDR_DEV_ID_MSK (0xffff << CMD_HDR_DEV_ID_OFF)
|
|
/* dw2 */
|
|
#define CMD_HDR_CFL_OFF 0
|
|
#define CMD_HDR_CFL_MSK (0x1ff << CMD_HDR_CFL_OFF)
|
|
#define CMD_HDR_NCQ_TAG_OFF 10
|
|
#define CMD_HDR_NCQ_TAG_MSK (0x1f << CMD_HDR_NCQ_TAG_OFF)
|
|
#define CMD_HDR_MRFL_OFF 15
|
|
#define CMD_HDR_MRFL_MSK (0x1ff << CMD_HDR_MRFL_OFF)
|
|
#define CMD_HDR_SG_MOD_OFF 24
|
|
#define CMD_HDR_SG_MOD_MSK (0x3 << CMD_HDR_SG_MOD_OFF)
|
|
/* dw3 */
|
|
#define CMD_HDR_IPTT_OFF 0
|
|
#define CMD_HDR_IPTT_MSK (0xffff << CMD_HDR_IPTT_OFF)
|
|
/* dw6 */
|
|
#define CMD_HDR_DIF_SGL_LEN_OFF 0
|
|
#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 */
|
|
#define CMPLT_HDR_CMPLT_OFF 0
|
|
#define CMPLT_HDR_CMPLT_MSK (0x3 << CMPLT_HDR_CMPLT_OFF)
|
|
#define CMPLT_HDR_ERROR_PHASE_OFF 2
|
|
#define CMPLT_HDR_ERROR_PHASE_MSK (0xff << CMPLT_HDR_ERROR_PHASE_OFF)
|
|
/* bit[9:2] Error Phase */
|
|
#define ERR_PHASE_RESPONSE_FRAME_REV_STAGE_OFF \
|
|
8
|
|
#define ERR_PHASE_RESPONSE_FRAME_REV_STAGE_MSK \
|
|
(0x1 << ERR_PHASE_RESPONSE_FRAME_REV_STAGE_OFF)
|
|
#define CMPLT_HDR_RSPNS_XFRD_OFF 10
|
|
#define CMPLT_HDR_RSPNS_XFRD_MSK (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
|
|
#define CMPLT_HDR_RSPNS_GOOD_OFF 11
|
|
#define CMPLT_HDR_RSPNS_GOOD_MSK (0x1 << CMPLT_HDR_RSPNS_GOOD_OFF)
|
|
#define CMPLT_HDR_ERX_OFF 12
|
|
#define CMPLT_HDR_ERX_MSK (0x1 << CMPLT_HDR_ERX_OFF)
|
|
#define CMPLT_HDR_ABORT_STAT_OFF 13
|
|
#define CMPLT_HDR_ABORT_STAT_MSK (0x7 << CMPLT_HDR_ABORT_STAT_OFF)
|
|
/* abort_stat */
|
|
#define STAT_IO_NOT_VALID 0x1
|
|
#define STAT_IO_NO_DEVICE 0x2
|
|
#define STAT_IO_COMPLETE 0x3
|
|
#define STAT_IO_ABORTED 0x4
|
|
/* dw1 */
|
|
#define CMPLT_HDR_IPTT_OFF 0
|
|
#define CMPLT_HDR_IPTT_MSK (0xffff << CMPLT_HDR_IPTT_OFF)
|
|
#define CMPLT_HDR_DEV_ID_OFF 16
|
|
#define CMPLT_HDR_DEV_ID_MSK (0xffff << CMPLT_HDR_DEV_ID_OFF)
|
|
/* dw3 */
|
|
#define SATA_DISK_IN_ERROR_STATUS_OFF 8
|
|
#define SATA_DISK_IN_ERROR_STATUS_MSK (0x1 << SATA_DISK_IN_ERROR_STATUS_OFF)
|
|
#define CMPLT_HDR_SATA_DISK_ERR_OFF 16
|
|
#define CMPLT_HDR_SATA_DISK_ERR_MSK (0x1 << CMPLT_HDR_SATA_DISK_ERR_OFF)
|
|
#define CMPLT_HDR_IO_IN_TARGET_OFF 17
|
|
#define CMPLT_HDR_IO_IN_TARGET_MSK (0x1 << CMPLT_HDR_IO_IN_TARGET_OFF)
|
|
/* bit[23:18] ERR_FIS_ATA_STATUS */
|
|
#define FIS_ATA_STATUS_ERR_OFF 18
|
|
#define FIS_ATA_STATUS_ERR_MSK (0x1 << FIS_ATA_STATUS_ERR_OFF)
|
|
#define FIS_TYPE_SDB_OFF 31
|
|
#define FIS_TYPE_SDB_MSK (0x1 << FIS_TYPE_SDB_OFF)
|
|
|
|
/* ITCT header */
|
|
/* qw0 */
|
|
#define ITCT_HDR_DEV_TYPE_OFF 0
|
|
#define ITCT_HDR_DEV_TYPE_MSK (0x3 << ITCT_HDR_DEV_TYPE_OFF)
|
|
#define ITCT_HDR_VALID_OFF 2
|
|
#define ITCT_HDR_VALID_MSK (0x1 << ITCT_HDR_VALID_OFF)
|
|
#define ITCT_HDR_MCR_OFF 5
|
|
#define ITCT_HDR_MCR_MSK (0xf << ITCT_HDR_MCR_OFF)
|
|
#define ITCT_HDR_VLN_OFF 9
|
|
#define ITCT_HDR_VLN_MSK (0xf << ITCT_HDR_VLN_OFF)
|
|
#define ITCT_HDR_SMP_TIMEOUT_OFF 16
|
|
#define ITCT_HDR_AWT_CONTINUE_OFF 25
|
|
#define ITCT_HDR_PORT_ID_OFF 28
|
|
#define ITCT_HDR_PORT_ID_MSK (0xf << ITCT_HDR_PORT_ID_OFF)
|
|
/* qw2 */
|
|
#define ITCT_HDR_INLT_OFF 0
|
|
#define ITCT_HDR_INLT_MSK (0xffffULL << ITCT_HDR_INLT_OFF)
|
|
#define ITCT_HDR_RTOLT_OFF 48
|
|
#define ITCT_HDR_RTOLT_MSK (0xffffULL << ITCT_HDR_RTOLT_OFF)
|
|
|
|
struct hisi_sas_protect_iu_v3_hw {
|
|
u32 dw0;
|
|
u32 lbrtcv;
|
|
u32 lbrtgv;
|
|
u32 dw3;
|
|
u32 dw4;
|
|
u32 dw5;
|
|
u32 rsv;
|
|
};
|
|
|
|
struct hisi_sas_complete_v3_hdr {
|
|
__le32 dw0;
|
|
__le32 dw1;
|
|
__le32 act;
|
|
__le32 dw3;
|
|
};
|
|
|
|
struct hisi_sas_err_record_v3 {
|
|
/* dw0 */
|
|
__le32 trans_tx_fail_type;
|
|
|
|
/* dw1 */
|
|
__le32 trans_rx_fail_type;
|
|
|
|
/* dw2 */
|
|
__le16 dma_tx_err_type;
|
|
__le16 sipc_rx_err_type;
|
|
|
|
/* dw3 */
|
|
__le32 dma_rx_err_type;
|
|
};
|
|
|
|
#define RX_DATA_LEN_UNDERFLOW_OFF 6
|
|
#define RX_DATA_LEN_UNDERFLOW_MSK (1 << RX_DATA_LEN_UNDERFLOW_OFF)
|
|
|
|
#define RX_FIS_STATUS_ERR_OFF 0
|
|
#define RX_FIS_STATUS_ERR_MSK (1 << RX_FIS_STATUS_ERR_OFF)
|
|
|
|
#define HISI_SAS_COMMAND_ENTRIES_V3_HW 4096
|
|
#define HISI_SAS_MSI_COUNT_V3_HW 32
|
|
|
|
#define DIR_NO_DATA 0
|
|
#define DIR_TO_INI 1
|
|
#define DIR_TO_DEVICE 2
|
|
#define DIR_RESERVED 3
|
|
|
|
#define FIS_CMD_IS_UNCONSTRAINED(fis) \
|
|
((fis.command == ATA_CMD_READ_LOG_EXT) || \
|
|
(fis.command == ATA_CMD_READ_LOG_DMA_EXT) || \
|
|
((fis.command == ATA_CMD_DEV_RESET) && \
|
|
((fis.control & ATA_SRST) != 0)))
|
|
|
|
#define T10_INSRT_EN_OFF 0
|
|
#define T10_INSRT_EN_MSK (1 << T10_INSRT_EN_OFF)
|
|
#define T10_RMV_EN_OFF 1
|
|
#define T10_RMV_EN_MSK (1 << T10_RMV_EN_OFF)
|
|
#define T10_RPLC_EN_OFF 2
|
|
#define T10_RPLC_EN_MSK (1 << T10_RPLC_EN_OFF)
|
|
#define T10_CHK_EN_OFF 3
|
|
#define T10_CHK_EN_MSK (1 << T10_CHK_EN_OFF)
|
|
#define INCR_LBRT_OFF 5
|
|
#define INCR_LBRT_MSK (1 << INCR_LBRT_OFF)
|
|
#define USR_DATA_BLOCK_SZ_OFF 20
|
|
#define USR_DATA_BLOCK_SZ_MSK (0x3 << USR_DATA_BLOCK_SZ_OFF)
|
|
#define T10_CHK_MSK_OFF 16
|
|
#define T10_CHK_REF_TAG_MSK (0xf0 << T10_CHK_MSK_OFF)
|
|
#define T10_CHK_APP_TAG_MSK (0xc << T10_CHK_MSK_OFF)
|
|
|
|
#define BASE_VECTORS_V3_HW 16
|
|
#define MIN_AFFINE_VECTORS_V3_HW (BASE_VECTORS_V3_HW + 1)
|
|
|
|
#define CHNL_INT_STS_MSK 0xeeeeeeee
|
|
#define CHNL_INT_STS_PHY_MSK 0xe
|
|
#define CHNL_INT_STS_INT0_MSK BIT(1)
|
|
#define CHNL_INT_STS_INT1_MSK BIT(2)
|
|
#define CHNL_INT_STS_INT2_MSK BIT(3)
|
|
#define CHNL_WIDTH 4
|
|
|
|
#define BAR_NO_V3_HW 5
|
|
|
|
enum {
|
|
DSM_FUNC_ERR_HANDLE_MSI = 0,
|
|
};
|
|
|
|
static bool hisi_sas_intr_conv;
|
|
MODULE_PARM_DESC(intr_conv, "interrupt converge enable (0-1)");
|
|
|
|
/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */
|
|
static int prot_mask;
|
|
module_param(prot_mask, int, 0444);
|
|
MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=0x0 ");
|
|
|
|
/* the index of iopoll queues are bigger than interrupt queues' */
|
|
static int experimental_iopoll_q_cnt;
|
|
module_param(experimental_iopoll_q_cnt, int, 0444);
|
|
MODULE_PARM_DESC(experimental_iopoll_q_cnt, "number of queues to be used as poll mode, def=0");
|
|
|
|
static int debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba);
|
|
|
|
static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
|
|
{
|
|
void __iomem *regs = hisi_hba->regs + off;
|
|
|
|
return readl(regs);
|
|
}
|
|
|
|
static void hisi_sas_write32(struct hisi_hba *hisi_hba, u32 off, u32 val)
|
|
{
|
|
void __iomem *regs = hisi_hba->regs + off;
|
|
|
|
writel(val, regs);
|
|
}
|
|
|
|
static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba, int phy_no,
|
|
u32 off, u32 val)
|
|
{
|
|
void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
|
|
|
|
writel(val, regs);
|
|
}
|
|
|
|
static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
|
|
int phy_no, u32 off)
|
|
{
|
|
void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
|
|
|
|
return readl(regs);
|
|
}
|
|
|
|
#define hisi_sas_read32_poll_timeout(off, val, cond, delay_us, \
|
|
timeout_us) \
|
|
({ \
|
|
void __iomem *regs = hisi_hba->regs + off; \
|
|
readl_poll_timeout(regs, val, cond, delay_us, timeout_us); \
|
|
})
|
|
|
|
#define hisi_sas_read32_poll_timeout_atomic(off, val, cond, delay_us, \
|
|
timeout_us) \
|
|
({ \
|
|
void __iomem *regs = hisi_hba->regs + off; \
|
|
readl_poll_timeout_atomic(regs, val, cond, delay_us, timeout_us);\
|
|
})
|
|
|
|
static void interrupt_enable_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < hisi_hba->queue_count; i++)
|
|
hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0);
|
|
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xfefefefe);
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xfefefefe);
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffc220ff);
|
|
hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0x155555);
|
|
|
|
for (i = 0; i < hisi_hba->n_phy; i++) {
|
|
hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xf2057fff);
|
|
hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffbfe);
|
|
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0);
|
|
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x0);
|
|
hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x0);
|
|
}
|
|
}
|
|
|
|
static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct pci_dev *pdev = hisi_hba->pci_dev;
|
|
int i, j;
|
|
|
|
/* Global registers init */
|
|
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
|
|
(u32)((1ULL << hisi_hba->queue_count) - 1));
|
|
hisi_sas_write32(hisi_hba, CFG_MAX_TAG, 0xfff0400);
|
|
/* time / CLK_AHB = 2.5s / 2ns = 0x4A817C80 */
|
|
hisi_sas_write32(hisi_hba, TRANS_LOCK_ICT_TIME, 0x4A817C80);
|
|
hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x108);
|
|
hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x1);
|
|
hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x1);
|
|
hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x1);
|
|
hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x1);
|
|
hisi_sas_write32(hisi_hba, CQ_INT_CONVERGE_EN,
|
|
hisi_sas_intr_conv);
|
|
hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0xffff);
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC3, 0xffffffff);
|
|
hisi_sas_write32(hisi_hba, CHNL_PHYUPDOWN_INT_MSK, 0x0);
|
|
hisi_sas_write32(hisi_hba, CHNL_ENT_INT_MSK, 0x0);
|
|
hisi_sas_write32(hisi_hba, HGC_COM_INT_MSK, 0x0);
|
|
hisi_sas_write32(hisi_hba, AWQOS_AWCACHE_CFG, 0xf0f0);
|
|
hisi_sas_write32(hisi_hba, ARQOS_ARCACHE_CFG, 0xf0f0);
|
|
hisi_sas_write32(hisi_hba, HYPER_STREAM_ID_EN_CFG, 1);
|
|
|
|
if (pdev->revision < 0x30)
|
|
hisi_sas_write32(hisi_hba, SAS_AXI_USER3, 0);
|
|
|
|
interrupt_enable_v3_hw(hisi_hba);
|
|
for (i = 0; i < hisi_hba->n_phy; i++) {
|
|
enum sas_linkrate max;
|
|
struct hisi_sas_phy *phy = &hisi_hba->phy[i];
|
|
struct asd_sas_phy *sas_phy = &phy->sas_phy;
|
|
u32 prog_phy_link_rate = hisi_sas_phy_read32(hisi_hba, i,
|
|
PROG_PHY_LINK_RATE);
|
|
|
|
prog_phy_link_rate &= ~CFG_PROG_PHY_LINK_RATE_MSK;
|
|
if (!sas_phy->phy || (sas_phy->phy->maximum_linkrate <
|
|
SAS_LINK_RATE_1_5_GBPS))
|
|
max = SAS_LINK_RATE_12_0_GBPS;
|
|
else
|
|
max = sas_phy->phy->maximum_linkrate;
|
|
prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
|
|
hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE,
|
|
prog_phy_link_rate);
|
|
hisi_sas_phy_write32(hisi_hba, i, SAS_RX_TRAIN_TIMER, 0x13e80);
|
|
hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, 0xffffffff);
|
|
hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, 0xffffffff);
|
|
hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, 0xffffffff);
|
|
hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
|
|
hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0);
|
|
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0);
|
|
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x1);
|
|
hisi_sas_phy_write32(hisi_hba, i, STP_LINK_TIMER, 0x7f7a120);
|
|
hisi_sas_phy_write32(hisi_hba, i, CON_CFG_DRIVER, 0x2a0a01);
|
|
hisi_sas_phy_write32(hisi_hba, i, SAS_EC_INT_COAL_TIME,
|
|
0x30f4240);
|
|
hisi_sas_phy_write32(hisi_hba, i, AIP_LIMIT, 0x2ffff);
|
|
|
|
/* set value through firmware for 920B and later version */
|
|
if (pdev->revision < 0x30) {
|
|
hisi_sas_phy_write32(hisi_hba, i, SAS_SSP_CON_TIMER_CFG, 0x32);
|
|
hisi_sas_phy_write32(hisi_hba, i, SERDES_CFG, 0xffc00);
|
|
/* used for 12G negotiate */
|
|
hisi_sas_phy_write32(hisi_hba, i, COARSETUNE_TIME, 0x1e);
|
|
}
|
|
|
|
/* get default FFE configuration for BIST */
|
|
for (j = 0; j < FFE_CFG_MAX; j++) {
|
|
u32 val = hisi_sas_phy_read32(hisi_hba, i,
|
|
TXDEEMPH_G1 + (j * 0x4));
|
|
hisi_hba->debugfs_bist_ffe[i][j] = val;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < hisi_hba->queue_count; i++) {
|
|
/* Delivery queue */
|
|
hisi_sas_write32(hisi_hba,
|
|
DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
|
|
upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
|
|
|
|
hisi_sas_write32(hisi_hba, DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
|
|
lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
|
|
|
|
hisi_sas_write32(hisi_hba, DLVRY_Q_0_DEPTH + (i * 0x14),
|
|
HISI_SAS_QUEUE_SLOTS);
|
|
|
|
/* Completion queue */
|
|
hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
|
|
upper_32_bits(hisi_hba->complete_hdr_dma[i]));
|
|
|
|
hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
|
|
lower_32_bits(hisi_hba->complete_hdr_dma[i]));
|
|
|
|
hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
|
|
HISI_SAS_QUEUE_SLOTS);
|
|
}
|
|
|
|
/* itct */
|
|
hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
|
|
lower_32_bits(hisi_hba->itct_dma));
|
|
|
|
hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
|
|
upper_32_bits(hisi_hba->itct_dma));
|
|
|
|
/* iost */
|
|
hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
|
|
lower_32_bits(hisi_hba->iost_dma));
|
|
|
|
hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
|
|
upper_32_bits(hisi_hba->iost_dma));
|
|
|
|
/* breakpoint */
|
|
hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_LO,
|
|
lower_32_bits(hisi_hba->breakpoint_dma));
|
|
|
|
hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_HI,
|
|
upper_32_bits(hisi_hba->breakpoint_dma));
|
|
|
|
/* SATA broken msg */
|
|
hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_LO,
|
|
lower_32_bits(hisi_hba->sata_breakpoint_dma));
|
|
|
|
hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_HI,
|
|
upper_32_bits(hisi_hba->sata_breakpoint_dma));
|
|
|
|
/* SATA initial fis */
|
|
hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_LO,
|
|
lower_32_bits(hisi_hba->initial_fis_dma));
|
|
|
|
hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_HI,
|
|
upper_32_bits(hisi_hba->initial_fis_dma));
|
|
|
|
/* RAS registers init */
|
|
hisi_sas_write32(hisi_hba, SAS_RAS_INTR0_MASK, 0x0);
|
|
hisi_sas_write32(hisi_hba, SAS_RAS_INTR1_MASK, 0x0);
|
|
hisi_sas_write32(hisi_hba, SAS_RAS_INTR2_MASK, 0x0);
|
|
hisi_sas_write32(hisi_hba, CFG_SAS_RAS_INTR_MASK, 0x0);
|
|
|
|
/* LED registers init */
|
|
hisi_sas_write32(hisi_hba, SAS_CFG_DRIVE_VLD, 0x80000ff);
|
|
hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1, 0x80808080);
|
|
hisi_sas_write32(hisi_hba, SAS_GPIO_TX_0_1 + 0x4, 0x80808080);
|
|
/* Configure blink generator rate A to 1Hz and B to 4Hz */
|
|
hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_1, 0x121700);
|
|
hisi_sas_write32(hisi_hba, SAS_GPIO_CFG_0, 0x800000);
|
|
}
|
|
|
|
static void config_phy_opt_mode_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
|
|
|
|
cfg &= ~PHY_CFG_DC_OPT_MSK;
|
|
cfg |= 1 << PHY_CFG_DC_OPT_OFF;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
|
|
}
|
|
|
|
static void config_id_frame_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
struct sas_identify_frame identify_frame;
|
|
u32 *identify_buffer;
|
|
|
|
memset(&identify_frame, 0, sizeof(identify_frame));
|
|
identify_frame.dev_type = SAS_END_DEVICE;
|
|
identify_frame.frame_type = 0;
|
|
identify_frame._un1 = 1;
|
|
identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
|
|
identify_frame.target_bits = SAS_PROTOCOL_NONE;
|
|
memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
|
|
memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
|
|
identify_frame.phy_id = phy_no;
|
|
identify_buffer = (u32 *)(&identify_frame);
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
|
|
__swab32(identify_buffer[0]));
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
|
|
__swab32(identify_buffer[1]));
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
|
|
__swab32(identify_buffer[2]));
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
|
|
__swab32(identify_buffer[3]));
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
|
|
__swab32(identify_buffer[4]));
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
|
|
__swab32(identify_buffer[5]));
|
|
}
|
|
|
|
static void setup_itct_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_device *sas_dev)
|
|
{
|
|
struct domain_device *device = sas_dev->sas_device;
|
|
struct device *dev = hisi_hba->dev;
|
|
u64 qw0, device_id = sas_dev->device_id;
|
|
struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
|
|
struct domain_device *parent_dev = device->parent;
|
|
struct asd_sas_port *sas_port = device->port;
|
|
struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
|
|
u64 sas_addr;
|
|
|
|
memset(itct, 0, sizeof(*itct));
|
|
|
|
/* qw0 */
|
|
qw0 = 0;
|
|
switch (sas_dev->dev_type) {
|
|
case SAS_END_DEVICE:
|
|
case SAS_EDGE_EXPANDER_DEVICE:
|
|
case SAS_FANOUT_EXPANDER_DEVICE:
|
|
qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
|
|
break;
|
|
case SAS_SATA_DEV:
|
|
case SAS_SATA_PENDING:
|
|
if (parent_dev && dev_is_expander(parent_dev->dev_type))
|
|
qw0 = HISI_SAS_DEV_TYPE_STP << ITCT_HDR_DEV_TYPE_OFF;
|
|
else
|
|
qw0 = HISI_SAS_DEV_TYPE_SATA << ITCT_HDR_DEV_TYPE_OFF;
|
|
break;
|
|
default:
|
|
dev_warn(dev, "setup itct: unsupported dev type (%d)\n",
|
|
sas_dev->dev_type);
|
|
}
|
|
|
|
qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
|
|
(device->linkrate << ITCT_HDR_MCR_OFF) |
|
|
(1 << ITCT_HDR_VLN_OFF) |
|
|
(0xfa << ITCT_HDR_SMP_TIMEOUT_OFF) |
|
|
(1 << ITCT_HDR_AWT_CONTINUE_OFF) |
|
|
(port->id << ITCT_HDR_PORT_ID_OFF));
|
|
itct->qw0 = cpu_to_le64(qw0);
|
|
|
|
/* qw1 */
|
|
memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
|
|
itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
|
|
|
|
/* qw2 */
|
|
if (!dev_is_sata(device))
|
|
itct->qw2 = cpu_to_le64((5000ULL << ITCT_HDR_INLT_OFF) |
|
|
(0x1ULL << ITCT_HDR_RTOLT_OFF));
|
|
}
|
|
|
|
static int clear_itct_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_device *sas_dev)
|
|
{
|
|
DECLARE_COMPLETION_ONSTACK(completion);
|
|
u64 dev_id = sas_dev->device_id;
|
|
struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
|
|
u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
|
|
struct device *dev = hisi_hba->dev;
|
|
|
|
sas_dev->completion = &completion;
|
|
|
|
/* clear the itct interrupt state */
|
|
if (ENT_INT_SRC3_ITC_INT_MSK & reg_val)
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
|
|
ENT_INT_SRC3_ITC_INT_MSK);
|
|
|
|
/* clear the itct table */
|
|
reg_val = ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK);
|
|
hisi_sas_write32(hisi_hba, ITCT_CLR, reg_val);
|
|
|
|
if (!wait_for_completion_timeout(sas_dev->completion,
|
|
HISI_SAS_CLEAR_ITCT_TIMEOUT)) {
|
|
dev_warn(dev, "failed to clear ITCT\n");
|
|
return -ETIMEDOUT;
|
|
}
|
|
|
|
memset(itct, 0, sizeof(struct hisi_sas_itct));
|
|
return 0;
|
|
}
|
|
|
|
static void dereg_device_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct domain_device *device)
|
|
{
|
|
struct hisi_sas_slot *slot, *slot2;
|
|
struct hisi_sas_device *sas_dev = device->lldd_dev;
|
|
u32 cfg_abt_set_query_iptt;
|
|
|
|
cfg_abt_set_query_iptt = hisi_sas_read32(hisi_hba,
|
|
CFG_ABT_SET_QUERY_IPTT);
|
|
spin_lock(&sas_dev->lock);
|
|
list_for_each_entry_safe(slot, slot2, &sas_dev->list, entry) {
|
|
cfg_abt_set_query_iptt &= ~CFG_SET_ABORTED_IPTT_MSK;
|
|
cfg_abt_set_query_iptt |= (1 << CFG_SET_ABORTED_EN_OFF) |
|
|
(slot->idx << CFG_SET_ABORTED_IPTT_OFF);
|
|
hisi_sas_write32(hisi_hba, CFG_ABT_SET_QUERY_IPTT,
|
|
cfg_abt_set_query_iptt);
|
|
}
|
|
spin_unlock(&sas_dev->lock);
|
|
cfg_abt_set_query_iptt &= ~(1 << CFG_SET_ABORTED_EN_OFF);
|
|
hisi_sas_write32(hisi_hba, CFG_ABT_SET_QUERY_IPTT,
|
|
cfg_abt_set_query_iptt);
|
|
hisi_sas_write32(hisi_hba, CFG_ABT_SET_IPTT_DONE,
|
|
1 << CFG_ABT_SET_IPTT_DONE_OFF);
|
|
}
|
|
|
|
static int reset_hw_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
int ret;
|
|
u32 val;
|
|
|
|
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
|
|
|
|
/* Disable all of the PHYs */
|
|
hisi_sas_stop_phys(hisi_hba);
|
|
udelay(50);
|
|
|
|
/* Ensure axi bus idle */
|
|
ret = hisi_sas_read32_poll_timeout(AXI_CFG, val, !val,
|
|
20000, 1000000);
|
|
if (ret) {
|
|
dev_err(dev, "axi bus is not idle, ret = %d!\n", ret);
|
|
return -EIO;
|
|
}
|
|
|
|
if (ACPI_HANDLE(dev)) {
|
|
acpi_status s;
|
|
|
|
s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
|
|
if (ACPI_FAILURE(s)) {
|
|
dev_err(dev, "Reset failed\n");
|
|
return -EIO;
|
|
}
|
|
} else {
|
|
dev_err(dev, "no reset method!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hw_init_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
struct acpi_device *acpi_dev;
|
|
union acpi_object *obj;
|
|
guid_t guid;
|
|
int rc;
|
|
|
|
rc = reset_hw_v3_hw(hisi_hba);
|
|
if (rc) {
|
|
dev_err(dev, "hisi_sas_reset_hw failed, rc=%d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
msleep(100);
|
|
init_reg_v3_hw(hisi_hba);
|
|
|
|
if (guid_parse("D5918B4B-37AE-4E10-A99F-E5E8A6EF4C1F", &guid)) {
|
|
dev_err(dev, "Parse GUID failed\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
/*
|
|
* This DSM handles some hardware-related configurations:
|
|
* 1. Switch over to MSI error handling in kernel
|
|
* 2. BIOS *may* reset some register values through this method
|
|
*/
|
|
obj = acpi_evaluate_dsm(ACPI_HANDLE(dev), &guid, 0,
|
|
DSM_FUNC_ERR_HANDLE_MSI, NULL);
|
|
if (!obj)
|
|
dev_warn(dev, "can not find DSM method, ignore\n");
|
|
else
|
|
ACPI_FREE(obj);
|
|
|
|
acpi_dev = ACPI_COMPANION(dev);
|
|
if (!acpi_device_power_manageable(acpi_dev))
|
|
dev_notice(dev, "neither _PS0 nor _PR0 is defined\n");
|
|
return 0;
|
|
}
|
|
|
|
static void enable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
|
|
|
|
cfg |= PHY_CFG_ENA_MSK;
|
|
cfg &= ~PHY_CFG_PHY_RST_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
|
|
}
|
|
|
|
static void disable_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
|
|
u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2_MSK);
|
|
static const u32 msk = BIT(CHL_INT2_RX_DISP_ERR_OFF) |
|
|
BIT(CHL_INT2_RX_CODE_ERR_OFF) |
|
|
BIT(CHL_INT2_RX_INVLD_DW_OFF);
|
|
u32 state;
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2_MSK, msk | irq_msk);
|
|
|
|
cfg &= ~PHY_CFG_ENA_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
|
|
|
|
mdelay(50);
|
|
|
|
state = hisi_sas_read32(hisi_hba, PHY_STATE);
|
|
if (state & BIT(phy_no)) {
|
|
cfg |= PHY_CFG_PHY_RST_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
|
|
}
|
|
|
|
udelay(1);
|
|
|
|
hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_INVLD_DW);
|
|
hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DISP_ERR);
|
|
hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_CODE_ERR);
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, msk);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2_MSK, irq_msk);
|
|
}
|
|
|
|
static void start_phy_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
config_id_frame_v3_hw(hisi_hba, phy_no);
|
|
config_phy_opt_mode_v3_hw(hisi_hba, phy_no);
|
|
enable_phy_v3_hw(hisi_hba, phy_no);
|
|
}
|
|
|
|
static void phy_hard_reset_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
|
|
u32 txid_auto;
|
|
|
|
hisi_sas_phy_enable(hisi_hba, phy_no, 0);
|
|
if (phy->identify.device_type == SAS_END_DEVICE) {
|
|
txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
|
|
txid_auto | TX_HARDRST_MSK);
|
|
}
|
|
msleep(100);
|
|
hisi_sas_phy_enable(hisi_hba, phy_no, 1);
|
|
}
|
|
|
|
static enum sas_linkrate phy_get_max_linkrate_v3_hw(void)
|
|
{
|
|
return SAS_LINK_RATE_12_0_GBPS;
|
|
}
|
|
|
|
static void phys_init_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < hisi_hba->n_phy; i++) {
|
|
struct hisi_sas_phy *phy = &hisi_hba->phy[i];
|
|
struct asd_sas_phy *sas_phy = &phy->sas_phy;
|
|
|
|
if (!sas_phy->phy->enabled)
|
|
continue;
|
|
|
|
hisi_sas_phy_enable(hisi_hba, i, 1);
|
|
}
|
|
}
|
|
|
|
static void sl_notify_ssp_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
u32 sl_control;
|
|
|
|
sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
|
|
sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
|
|
msleep(1);
|
|
sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
|
|
sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
|
|
}
|
|
|
|
static int get_wideport_bitmap_v3_hw(struct hisi_hba *hisi_hba, int port_id)
|
|
{
|
|
int i, bitmap = 0;
|
|
u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
|
|
u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
|
|
|
|
for (i = 0; i < hisi_hba->n_phy; i++)
|
|
if (phy_state & BIT(i))
|
|
if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
|
|
bitmap |= BIT(i);
|
|
|
|
return bitmap;
|
|
}
|
|
|
|
static void start_delivery_v3_hw(struct hisi_sas_dq *dq)
|
|
{
|
|
struct hisi_hba *hisi_hba = dq->hisi_hba;
|
|
struct hisi_sas_slot *s, *s1, *s2 = NULL;
|
|
int dlvry_queue = dq->id;
|
|
int wp;
|
|
|
|
list_for_each_entry_safe(s, s1, &dq->list, delivery) {
|
|
if (!s->ready)
|
|
break;
|
|
s2 = s;
|
|
list_del(&s->delivery);
|
|
}
|
|
|
|
if (!s2)
|
|
return;
|
|
|
|
/*
|
|
* Ensure that memories for slots built on other CPUs is observed.
|
|
*/
|
|
smp_rmb();
|
|
wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
|
|
|
|
hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
|
|
}
|
|
|
|
static void prep_prd_sge_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot,
|
|
struct hisi_sas_cmd_hdr *hdr,
|
|
struct scatterlist *scatter,
|
|
int n_elem)
|
|
{
|
|
struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
|
|
struct scatterlist *sg;
|
|
int i;
|
|
|
|
for_each_sg(scatter, sg, n_elem, i) {
|
|
struct hisi_sas_sge *entry = &sge_page->sge[i];
|
|
|
|
entry->addr = cpu_to_le64(sg_dma_address(sg));
|
|
entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
|
|
entry->data_len = cpu_to_le32(sg_dma_len(sg));
|
|
entry->data_off = 0;
|
|
}
|
|
|
|
hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
|
|
|
|
hdr->sg_len |= cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
|
|
}
|
|
|
|
static void prep_prd_sge_dif_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot,
|
|
struct hisi_sas_cmd_hdr *hdr,
|
|
struct scatterlist *scatter,
|
|
int n_elem)
|
|
{
|
|
struct hisi_sas_sge_dif_page *sge_dif_page;
|
|
struct scatterlist *sg;
|
|
int i;
|
|
|
|
sge_dif_page = hisi_sas_sge_dif_addr_mem(slot);
|
|
|
|
for_each_sg(scatter, sg, n_elem, i) {
|
|
struct hisi_sas_sge *entry = &sge_dif_page->sge[i];
|
|
|
|
entry->addr = cpu_to_le64(sg_dma_address(sg));
|
|
entry->page_ctrl_0 = 0;
|
|
entry->page_ctrl_1 = 0;
|
|
entry->data_len = cpu_to_le32(sg_dma_len(sg));
|
|
entry->data_off = 0;
|
|
}
|
|
|
|
hdr->dif_prd_table_addr =
|
|
cpu_to_le64(hisi_sas_sge_dif_addr_dma(slot));
|
|
|
|
hdr->sg_len |= cpu_to_le32(n_elem << CMD_HDR_DIF_SGL_LEN_OFF);
|
|
}
|
|
|
|
static u32 get_prot_chk_msk_v3_hw(struct scsi_cmnd *scsi_cmnd)
|
|
{
|
|
unsigned char prot_flags = scsi_cmnd->prot_flags;
|
|
|
|
if (prot_flags & SCSI_PROT_REF_CHECK)
|
|
return T10_CHK_APP_TAG_MSK;
|
|
return T10_CHK_REF_TAG_MSK | T10_CHK_APP_TAG_MSK;
|
|
}
|
|
|
|
static void fill_prot_v3_hw(struct scsi_cmnd *scsi_cmnd,
|
|
struct hisi_sas_protect_iu_v3_hw *prot)
|
|
{
|
|
unsigned char prot_op = scsi_get_prot_op(scsi_cmnd);
|
|
unsigned int interval = scsi_prot_interval(scsi_cmnd);
|
|
u32 lbrt_chk_val = t10_pi_ref_tag(scsi_cmd_to_rq(scsi_cmnd));
|
|
|
|
switch (prot_op) {
|
|
case SCSI_PROT_READ_INSERT:
|
|
prot->dw0 |= T10_INSRT_EN_MSK;
|
|
prot->lbrtgv = lbrt_chk_val;
|
|
break;
|
|
case SCSI_PROT_READ_STRIP:
|
|
prot->dw0 |= (T10_RMV_EN_MSK | T10_CHK_EN_MSK);
|
|
prot->lbrtcv = lbrt_chk_val;
|
|
prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
|
|
break;
|
|
case SCSI_PROT_READ_PASS:
|
|
prot->dw0 |= T10_CHK_EN_MSK;
|
|
prot->lbrtcv = lbrt_chk_val;
|
|
prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
|
|
break;
|
|
case SCSI_PROT_WRITE_INSERT:
|
|
prot->dw0 |= T10_INSRT_EN_MSK;
|
|
prot->lbrtgv = lbrt_chk_val;
|
|
break;
|
|
case SCSI_PROT_WRITE_STRIP:
|
|
prot->dw0 |= (T10_RMV_EN_MSK | T10_CHK_EN_MSK);
|
|
prot->lbrtcv = lbrt_chk_val;
|
|
break;
|
|
case SCSI_PROT_WRITE_PASS:
|
|
prot->dw0 |= T10_CHK_EN_MSK;
|
|
prot->lbrtcv = lbrt_chk_val;
|
|
prot->dw4 |= get_prot_chk_msk_v3_hw(scsi_cmnd);
|
|
break;
|
|
default:
|
|
WARN(1, "prot_op(0x%x) is not valid\n", prot_op);
|
|
break;
|
|
}
|
|
|
|
switch (interval) {
|
|
case 512:
|
|
break;
|
|
case 4096:
|
|
prot->dw0 |= (0x1 << USR_DATA_BLOCK_SZ_OFF);
|
|
break;
|
|
case 520:
|
|
prot->dw0 |= (0x2 << USR_DATA_BLOCK_SZ_OFF);
|
|
break;
|
|
default:
|
|
WARN(1, "protection interval (0x%x) invalid\n",
|
|
interval);
|
|
break;
|
|
}
|
|
|
|
prot->dw0 |= INCR_LBRT_MSK;
|
|
}
|
|
|
|
static void prep_ssp_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot)
|
|
{
|
|
struct sas_task *task = slot->task;
|
|
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
|
|
struct domain_device *device = task->dev;
|
|
struct hisi_sas_device *sas_dev = device->lldd_dev;
|
|
struct hisi_sas_port *port = slot->port;
|
|
struct sas_ssp_task *ssp_task = &task->ssp_task;
|
|
struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
|
|
struct sas_tmf_task *tmf = slot->tmf;
|
|
int has_data = 0, priority = !!tmf;
|
|
unsigned char prot_op;
|
|
u8 *buf_cmd;
|
|
u32 dw1 = 0, dw2 = 0, len = 0;
|
|
|
|
hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
|
|
(2 << CMD_HDR_TLR_CTRL_OFF) |
|
|
(port->id << CMD_HDR_PORT_OFF) |
|
|
(priority << CMD_HDR_PRIORITY_OFF) |
|
|
(1 << CMD_HDR_CMD_OFF)); /* ssp */
|
|
|
|
dw1 = 1 << CMD_HDR_VDTL_OFF;
|
|
if (tmf) {
|
|
dw1 |= 2 << CMD_HDR_FRAME_TYPE_OFF;
|
|
dw1 |= DIR_NO_DATA << CMD_HDR_DIR_OFF;
|
|
} else {
|
|
prot_op = scsi_get_prot_op(scsi_cmnd);
|
|
dw1 |= 1 << CMD_HDR_FRAME_TYPE_OFF;
|
|
switch (scsi_cmnd->sc_data_direction) {
|
|
case DMA_TO_DEVICE:
|
|
has_data = 1;
|
|
dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
|
|
break;
|
|
case DMA_FROM_DEVICE:
|
|
has_data = 1;
|
|
dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
|
|
break;
|
|
default:
|
|
dw1 &= ~CMD_HDR_DIR_MSK;
|
|
}
|
|
}
|
|
|
|
/* map itct entry */
|
|
dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
|
|
|
|
dw2 = (((sizeof(struct ssp_command_iu) + sizeof(struct ssp_frame_hdr)
|
|
+ 3) / 4) << CMD_HDR_CFL_OFF) |
|
|
((HISI_SAS_MAX_SSP_RESP_SZ / 4) << CMD_HDR_MRFL_OFF) |
|
|
(2 << CMD_HDR_SG_MOD_OFF);
|
|
hdr->dw2 = cpu_to_le32(dw2);
|
|
hdr->transfer_tags = cpu_to_le32(slot->idx);
|
|
|
|
if (has_data) {
|
|
prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter,
|
|
slot->n_elem);
|
|
|
|
if (scsi_prot_sg_count(scsi_cmnd))
|
|
prep_prd_sge_dif_v3_hw(hisi_hba, slot, hdr,
|
|
scsi_prot_sglist(scsi_cmnd),
|
|
slot->n_elem_dif);
|
|
}
|
|
|
|
hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
|
|
hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
|
|
|
|
buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
|
|
sizeof(struct ssp_frame_hdr);
|
|
|
|
memcpy(buf_cmd, &task->ssp_task.LUN, 8);
|
|
if (!tmf) {
|
|
buf_cmd[9] = ssp_task->task_attr;
|
|
memcpy(buf_cmd + 12, scsi_cmnd->cmnd, scsi_cmnd->cmd_len);
|
|
} else {
|
|
buf_cmd[10] = tmf->tmf;
|
|
switch (tmf->tmf) {
|
|
case TMF_ABORT_TASK:
|
|
case TMF_QUERY_TASK:
|
|
buf_cmd[12] =
|
|
(tmf->tag_of_task_to_be_managed >> 8) & 0xff;
|
|
buf_cmd[13] =
|
|
tmf->tag_of_task_to_be_managed & 0xff;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (has_data && (prot_op != SCSI_PROT_NORMAL)) {
|
|
struct hisi_sas_protect_iu_v3_hw prot;
|
|
u8 *buf_cmd_prot;
|
|
|
|
hdr->dw7 |= cpu_to_le32(1 << CMD_HDR_ADDR_MODE_SEL_OFF);
|
|
dw1 |= CMD_HDR_PIR_MSK;
|
|
buf_cmd_prot = hisi_sas_cmd_hdr_addr_mem(slot) +
|
|
sizeof(struct ssp_frame_hdr) +
|
|
sizeof(struct ssp_command_iu);
|
|
|
|
memset(&prot, 0, sizeof(struct hisi_sas_protect_iu_v3_hw));
|
|
fill_prot_v3_hw(scsi_cmnd, &prot);
|
|
memcpy(buf_cmd_prot, &prot,
|
|
sizeof(struct hisi_sas_protect_iu_v3_hw));
|
|
/*
|
|
* For READ, we need length of info read to memory, while for
|
|
* WRITE we need length of data written to the disk.
|
|
*/
|
|
if (prot_op == SCSI_PROT_WRITE_INSERT ||
|
|
prot_op == SCSI_PROT_READ_INSERT ||
|
|
prot_op == SCSI_PROT_WRITE_PASS ||
|
|
prot_op == SCSI_PROT_READ_PASS) {
|
|
unsigned int interval = scsi_prot_interval(scsi_cmnd);
|
|
unsigned int ilog2_interval = ilog2(interval);
|
|
|
|
len = (task->total_xfer_len >> ilog2_interval) * 8;
|
|
}
|
|
}
|
|
|
|
hdr->dw1 = cpu_to_le32(dw1);
|
|
|
|
hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len + len);
|
|
}
|
|
|
|
static void prep_smp_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot)
|
|
{
|
|
struct sas_task *task = slot->task;
|
|
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
|
|
struct domain_device *device = task->dev;
|
|
struct hisi_sas_port *port = slot->port;
|
|
struct scatterlist *sg_req;
|
|
struct hisi_sas_device *sas_dev = device->lldd_dev;
|
|
dma_addr_t req_dma_addr;
|
|
unsigned int req_len;
|
|
|
|
/* req */
|
|
sg_req = &task->smp_task.smp_req;
|
|
req_len = sg_dma_len(sg_req);
|
|
req_dma_addr = sg_dma_address(sg_req);
|
|
|
|
/* create header */
|
|
/* dw0 */
|
|
hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
|
|
(1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
|
|
(2 << CMD_HDR_CMD_OFF)); /* smp */
|
|
|
|
/* map itct entry */
|
|
hdr->dw1 = cpu_to_le32((sas_dev->device_id << CMD_HDR_DEV_ID_OFF) |
|
|
(1 << CMD_HDR_FRAME_TYPE_OFF) |
|
|
(DIR_NO_DATA << CMD_HDR_DIR_OFF));
|
|
|
|
/* dw2 */
|
|
hdr->dw2 = cpu_to_le32((((req_len - 4) / 4) << CMD_HDR_CFL_OFF) |
|
|
(HISI_SAS_MAX_SMP_RESP_SZ / 4 <<
|
|
CMD_HDR_MRFL_OFF));
|
|
|
|
hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
|
|
|
|
hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
|
|
hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
|
|
}
|
|
|
|
static void prep_ata_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot)
|
|
{
|
|
struct sas_task *task = slot->task;
|
|
struct domain_device *device = task->dev;
|
|
struct domain_device *parent_dev = device->parent;
|
|
struct hisi_sas_device *sas_dev = device->lldd_dev;
|
|
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
|
|
struct asd_sas_port *sas_port = device->port;
|
|
struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
|
|
u8 *buf_cmd;
|
|
int has_data = 0, hdr_tag = 0;
|
|
u32 dw1 = 0, dw2 = 0;
|
|
|
|
hdr->dw0 = cpu_to_le32(port->id << CMD_HDR_PORT_OFF);
|
|
if (parent_dev && dev_is_expander(parent_dev->dev_type))
|
|
hdr->dw0 |= cpu_to_le32(3 << CMD_HDR_CMD_OFF);
|
|
else
|
|
hdr->dw0 |= cpu_to_le32(4U << CMD_HDR_CMD_OFF);
|
|
|
|
switch (task->data_dir) {
|
|
case DMA_TO_DEVICE:
|
|
has_data = 1;
|
|
dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
|
|
break;
|
|
case DMA_FROM_DEVICE:
|
|
has_data = 1;
|
|
dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
|
|
break;
|
|
default:
|
|
dw1 &= ~CMD_HDR_DIR_MSK;
|
|
}
|
|
|
|
if ((task->ata_task.fis.command == ATA_CMD_DEV_RESET) &&
|
|
(task->ata_task.fis.control & ATA_SRST))
|
|
dw1 |= 1 << CMD_HDR_RESET_OFF;
|
|
|
|
dw1 |= (hisi_sas_get_ata_protocol(
|
|
&task->ata_task.fis, task->data_dir))
|
|
<< CMD_HDR_FRAME_TYPE_OFF;
|
|
dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
|
|
|
|
if (FIS_CMD_IS_UNCONSTRAINED(task->ata_task.fis))
|
|
dw1 |= 1 << CMD_HDR_UNCON_CMD_OFF;
|
|
|
|
hdr->dw1 = cpu_to_le32(dw1);
|
|
|
|
/* dw2 */
|
|
if (task->ata_task.use_ncq) {
|
|
struct ata_queued_cmd *qc = task->uldd_task;
|
|
|
|
hdr_tag = qc->tag;
|
|
task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
|
|
dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF;
|
|
}
|
|
|
|
dw2 |= (HISI_SAS_MAX_STP_RESP_SZ / 4) << CMD_HDR_CFL_OFF |
|
|
2 << CMD_HDR_SG_MOD_OFF;
|
|
hdr->dw2 = cpu_to_le32(dw2);
|
|
|
|
/* dw3 */
|
|
hdr->transfer_tags = cpu_to_le32(slot->idx);
|
|
|
|
if (has_data)
|
|
prep_prd_sge_v3_hw(hisi_hba, slot, hdr, task->scatter,
|
|
slot->n_elem);
|
|
|
|
hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
|
|
hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
|
|
hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
|
|
|
|
buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot);
|
|
|
|
if (likely(!task->ata_task.device_control_reg_update))
|
|
task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
|
|
/* fill in command FIS */
|
|
memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
|
|
}
|
|
|
|
static void prep_abort_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot)
|
|
{
|
|
struct sas_task *task = slot->task;
|
|
struct sas_internal_abort_task *abort = &task->abort_task;
|
|
struct domain_device *dev = task->dev;
|
|
struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
|
|
struct hisi_sas_port *port = slot->port;
|
|
struct hisi_sas_device *sas_dev = dev->lldd_dev;
|
|
bool sata = dev_is_sata(dev);
|
|
|
|
/* dw0 */
|
|
hdr->dw0 = cpu_to_le32((5U << CMD_HDR_CMD_OFF) | /* abort */
|
|
(port->id << CMD_HDR_PORT_OFF) |
|
|
(sata << CMD_HDR_ABORT_DEVICE_TYPE_OFF) |
|
|
(abort->type << CMD_HDR_ABORT_FLAG_OFF));
|
|
|
|
/* dw1 */
|
|
hdr->dw1 = cpu_to_le32(sas_dev->device_id
|
|
<< CMD_HDR_DEV_ID_OFF);
|
|
|
|
/* dw7 */
|
|
hdr->dw7 = cpu_to_le32(abort->tag << CMD_HDR_ABORT_IPTT_OFF);
|
|
hdr->transfer_tags = cpu_to_le32(slot->idx);
|
|
}
|
|
|
|
static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
|
|
{
|
|
int i;
|
|
irqreturn_t res;
|
|
u32 context, port_id, link_rate;
|
|
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
|
|
struct asd_sas_phy *sas_phy = &phy->sas_phy;
|
|
struct device *dev = hisi_hba->dev;
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 1);
|
|
|
|
port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
|
|
port_id = (port_id >> (4 * phy_no)) & 0xf;
|
|
link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
|
|
link_rate = (link_rate >> (phy_no * 4)) & 0xf;
|
|
|
|
if (port_id == 0xf) {
|
|
dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
|
|
res = IRQ_NONE;
|
|
goto end;
|
|
}
|
|
sas_phy->linkrate = link_rate;
|
|
phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
|
|
|
|
/* Check for SATA dev */
|
|
context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
|
|
if (context & (1 << phy_no)) {
|
|
struct hisi_sas_initial_fis *initial_fis;
|
|
struct dev_to_host_fis *fis;
|
|
u8 attached_sas_addr[SAS_ADDR_SIZE] = {0};
|
|
struct Scsi_Host *shost = hisi_hba->shost;
|
|
|
|
dev_info(dev, "phyup: phy%d link_rate=%d(sata)\n", phy_no, link_rate);
|
|
initial_fis = &hisi_hba->initial_fis[phy_no];
|
|
fis = &initial_fis->fis;
|
|
|
|
/* check ERR bit of Status Register */
|
|
if (fis->status & ATA_ERR) {
|
|
dev_warn(dev, "sata int: phy%d FIS status: 0x%x\n",
|
|
phy_no, fis->status);
|
|
hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
|
|
res = IRQ_NONE;
|
|
goto end;
|
|
}
|
|
|
|
sas_phy->oob_mode = SATA_OOB_MODE;
|
|
attached_sas_addr[0] = 0x50;
|
|
attached_sas_addr[6] = shost->host_no;
|
|
attached_sas_addr[7] = phy_no;
|
|
memcpy(sas_phy->attached_sas_addr,
|
|
attached_sas_addr,
|
|
SAS_ADDR_SIZE);
|
|
memcpy(sas_phy->frame_rcvd, fis,
|
|
sizeof(struct dev_to_host_fis));
|
|
phy->phy_type |= PORT_TYPE_SATA;
|
|
phy->identify.device_type = SAS_SATA_DEV;
|
|
phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
|
|
phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
|
|
} else {
|
|
u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
|
|
struct sas_identify_frame *id =
|
|
(struct sas_identify_frame *)frame_rcvd;
|
|
|
|
dev_info(dev, "phyup: phy%d link_rate=%d\n", phy_no, link_rate);
|
|
for (i = 0; i < 6; i++) {
|
|
u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
|
|
RX_IDAF_DWORD0 + (i * 4));
|
|
frame_rcvd[i] = __swab32(idaf);
|
|
}
|
|
sas_phy->oob_mode = SAS_OOB_MODE;
|
|
memcpy(sas_phy->attached_sas_addr,
|
|
&id->sas_addr,
|
|
SAS_ADDR_SIZE);
|
|
phy->phy_type |= PORT_TYPE_SAS;
|
|
phy->identify.device_type = id->dev_type;
|
|
phy->frame_rcvd_size = sizeof(struct sas_identify_frame);
|
|
if (phy->identify.device_type == SAS_END_DEVICE)
|
|
phy->identify.target_port_protocols =
|
|
SAS_PROTOCOL_SSP;
|
|
else if (phy->identify.device_type != SAS_PHY_UNUSED)
|
|
phy->identify.target_port_protocols =
|
|
SAS_PROTOCOL_SMP;
|
|
}
|
|
|
|
phy->port_id = port_id;
|
|
spin_lock(&phy->lock);
|
|
/* Delete timer and set phy_attached atomically */
|
|
del_timer(&phy->timer);
|
|
phy->phy_attached = 1;
|
|
spin_unlock(&phy->lock);
|
|
|
|
/*
|
|
* Call pm_runtime_get_noresume() which pairs with
|
|
* hisi_sas_phyup_pm_work() -> pm_runtime_put_sync().
|
|
* For failure call pm_runtime_put() as we are in a hardirq context.
|
|
*/
|
|
pm_runtime_get_noresume(dev);
|
|
res = hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP_PM);
|
|
if (!res)
|
|
pm_runtime_put(dev);
|
|
|
|
res = IRQ_HANDLED;
|
|
|
|
end:
|
|
if (phy->reset_completion)
|
|
complete(phy->reset_completion);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
|
|
CHL_INT0_SL_PHY_ENABLE_MSK);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 0);
|
|
|
|
return res;
|
|
}
|
|
|
|
static irqreturn_t phy_down_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
|
|
{
|
|
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
|
|
u32 phy_state, sl_ctrl, txid_auto;
|
|
struct device *dev = hisi_hba->dev;
|
|
|
|
atomic_inc(&phy->down_cnt);
|
|
|
|
del_timer(&phy->timer);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 1);
|
|
|
|
phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
|
|
dev_info(dev, "phydown: phy%d phy_state=0x%x\n", phy_no, phy_state);
|
|
hisi_sas_phy_down(hisi_hba, phy_no, (phy_state & 1 << phy_no) ? 1 : 0,
|
|
GFP_ATOMIC);
|
|
|
|
sl_ctrl = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL,
|
|
sl_ctrl&(~SL_CTA_MSK));
|
|
|
|
txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
|
|
txid_auto | CT3_MSK);
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t phy_bcast_v3_hw(int phy_no, struct hisi_hba *hisi_hba)
|
|
{
|
|
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
|
|
u32 bcast_status;
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1);
|
|
bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS);
|
|
if (bcast_status & RX_BCAST_CHG_MSK)
|
|
hisi_sas_phy_bcast(phy);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
|
|
CHL_INT0_SL_RX_BCST_ACK_MSK);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t int_phy_up_down_bcast_v3_hw(int irq_no, void *p)
|
|
{
|
|
struct hisi_hba *hisi_hba = p;
|
|
u32 irq_msk;
|
|
int phy_no = 0;
|
|
irqreturn_t res = IRQ_NONE;
|
|
|
|
irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS)
|
|
& 0x11111111;
|
|
while (irq_msk) {
|
|
if (irq_msk & 1) {
|
|
u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no,
|
|
CHL_INT0);
|
|
u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
|
|
int rdy = phy_state & (1 << phy_no);
|
|
|
|
if (rdy) {
|
|
if (irq_value & CHL_INT0_SL_PHY_ENABLE_MSK)
|
|
/* phy up */
|
|
if (phy_up_v3_hw(phy_no, hisi_hba)
|
|
== IRQ_HANDLED)
|
|
res = IRQ_HANDLED;
|
|
if (irq_value & CHL_INT0_SL_RX_BCST_ACK_MSK)
|
|
/* phy bcast */
|
|
if (phy_bcast_v3_hw(phy_no, hisi_hba)
|
|
== IRQ_HANDLED)
|
|
res = IRQ_HANDLED;
|
|
} else {
|
|
if (irq_value & CHL_INT0_NOT_RDY_MSK)
|
|
/* phy down */
|
|
if (phy_down_v3_hw(phy_no, hisi_hba)
|
|
== IRQ_HANDLED)
|
|
res = IRQ_HANDLED;
|
|
}
|
|
}
|
|
irq_msk >>= 4;
|
|
phy_no++;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static const struct hisi_sas_hw_error port_axi_error[] = {
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_TX_ECC_MB_ERR_OFF),
|
|
.msg = "dmac_tx_ecc_bad_err",
|
|
},
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_RX_ECC_MB_ERR_OFF),
|
|
.msg = "dmac_rx_ecc_bad_err",
|
|
},
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF),
|
|
.msg = "dma_tx_axi_wr_err",
|
|
},
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF),
|
|
.msg = "dma_tx_axi_rd_err",
|
|
},
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF),
|
|
.msg = "dma_rx_axi_wr_err",
|
|
},
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF),
|
|
.msg = "dma_rx_axi_rd_err",
|
|
},
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_TX_FIFO_ERR_OFF),
|
|
.msg = "dma_tx_fifo_err",
|
|
},
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_RX_FIFO_ERR_OFF),
|
|
.msg = "dma_rx_fifo_err",
|
|
},
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RUSER_ERR_OFF),
|
|
.msg = "dma_tx_axi_ruser_err",
|
|
},
|
|
{
|
|
.irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RUSER_ERR_OFF),
|
|
.msg = "dma_rx_axi_ruser_err",
|
|
},
|
|
};
|
|
|
|
static void handle_chl_int1_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT1);
|
|
u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT1_MSK);
|
|
struct device *dev = hisi_hba->dev;
|
|
int i;
|
|
|
|
irq_value &= ~irq_msk;
|
|
if (!irq_value) {
|
|
dev_warn(dev, "phy%d channel int 1 received with status bits cleared\n",
|
|
phy_no);
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(port_axi_error); i++) {
|
|
const struct hisi_sas_hw_error *error = &port_axi_error[i];
|
|
|
|
if (!(irq_value & error->irq_msk))
|
|
continue;
|
|
|
|
dev_err(dev, "%s error (phy%d 0x%x) found!\n",
|
|
error->msg, phy_no, irq_value);
|
|
queue_work(hisi_hba->wq, &hisi_hba->rst_work);
|
|
}
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT1, irq_value);
|
|
}
|
|
|
|
static void phy_get_events_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
|
|
struct asd_sas_phy *sas_phy = &phy->sas_phy;
|
|
struct sas_phy *sphy = sas_phy->phy;
|
|
unsigned long flags;
|
|
u32 reg_value;
|
|
|
|
spin_lock_irqsave(&phy->lock, flags);
|
|
|
|
/* loss dword sync */
|
|
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DWS_LOST);
|
|
sphy->loss_of_dword_sync_count += reg_value;
|
|
|
|
/* phy reset problem */
|
|
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_RESET_PROB);
|
|
sphy->phy_reset_problem_count += reg_value;
|
|
|
|
/* invalid dword */
|
|
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_INVLD_DW);
|
|
sphy->invalid_dword_count += reg_value;
|
|
|
|
/* disparity err */
|
|
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_DISP_ERR);
|
|
sphy->running_disparity_error_count += reg_value;
|
|
|
|
/* code violation error */
|
|
reg_value = hisi_sas_phy_read32(hisi_hba, phy_no, ERR_CNT_CODE_ERR);
|
|
phy->code_violation_err_count += reg_value;
|
|
|
|
spin_unlock_irqrestore(&phy->lock, flags);
|
|
}
|
|
|
|
static void handle_chl_int2_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
u32 irq_msk = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2_MSK);
|
|
u32 irq_value = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT2);
|
|
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
|
|
struct pci_dev *pci_dev = hisi_hba->pci_dev;
|
|
struct device *dev = hisi_hba->dev;
|
|
static const u32 msk = BIT(CHL_INT2_RX_DISP_ERR_OFF) |
|
|
BIT(CHL_INT2_RX_CODE_ERR_OFF) |
|
|
BIT(CHL_INT2_RX_INVLD_DW_OFF);
|
|
|
|
irq_value &= ~irq_msk;
|
|
if (!irq_value) {
|
|
dev_warn(dev, "phy%d channel int 2 received with status bits cleared\n",
|
|
phy_no);
|
|
return;
|
|
}
|
|
|
|
if (irq_value & BIT(CHL_INT2_SL_IDAF_TOUT_CONF_OFF)) {
|
|
dev_warn(dev, "phy%d identify timeout\n", phy_no);
|
|
hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
|
|
}
|
|
|
|
if (irq_value & BIT(CHL_INT2_STP_LINK_TIMEOUT_OFF)) {
|
|
u32 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no,
|
|
STP_LINK_TIMEOUT_STATE);
|
|
|
|
dev_warn(dev, "phy%d stp link timeout (0x%x)\n",
|
|
phy_no, reg_value);
|
|
if (reg_value & BIT(4))
|
|
hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
|
|
}
|
|
|
|
if (pci_dev->revision > 0x20 && (irq_value & msk)) {
|
|
struct asd_sas_phy *sas_phy = &phy->sas_phy;
|
|
struct sas_phy *sphy = sas_phy->phy;
|
|
|
|
phy_get_events_v3_hw(hisi_hba, phy_no);
|
|
|
|
if (irq_value & BIT(CHL_INT2_RX_INVLD_DW_OFF))
|
|
dev_info(dev, "phy%d invalid dword cnt: %u\n", phy_no,
|
|
sphy->invalid_dword_count);
|
|
|
|
if (irq_value & BIT(CHL_INT2_RX_CODE_ERR_OFF))
|
|
dev_info(dev, "phy%d code violation cnt: %u\n", phy_no,
|
|
phy->code_violation_err_count);
|
|
|
|
if (irq_value & BIT(CHL_INT2_RX_DISP_ERR_OFF))
|
|
dev_info(dev, "phy%d disparity error cnt: %u\n", phy_no,
|
|
sphy->running_disparity_error_count);
|
|
}
|
|
|
|
if ((irq_value & BIT(CHL_INT2_RX_INVLD_DW_OFF)) &&
|
|
(pci_dev->revision == 0x20)) {
|
|
u32 reg_value;
|
|
int rc;
|
|
|
|
rc = hisi_sas_read32_poll_timeout_atomic(
|
|
HILINK_ERR_DFX, reg_value,
|
|
!((reg_value >> 8) & BIT(phy_no)),
|
|
1000, 10000);
|
|
if (rc)
|
|
hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
|
|
}
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT2, irq_value);
|
|
}
|
|
|
|
static void handle_chl_int0_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
|
|
{
|
|
u32 irq_value0 = hisi_sas_phy_read32(hisi_hba, phy_no, CHL_INT0);
|
|
|
|
if (irq_value0 & CHL_INT0_PHY_RDY_MSK)
|
|
hisi_sas_phy_oob_ready(hisi_hba, phy_no);
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
|
|
irq_value0 & (~CHL_INT0_SL_RX_BCST_ACK_MSK)
|
|
& (~CHL_INT0_SL_PHY_ENABLE_MSK)
|
|
& (~CHL_INT0_NOT_RDY_MSK));
|
|
}
|
|
|
|
static irqreturn_t int_chnl_int_v3_hw(int irq_no, void *p)
|
|
{
|
|
struct hisi_hba *hisi_hba = p;
|
|
u32 irq_msk;
|
|
int phy_no = 0;
|
|
|
|
irq_msk = hisi_sas_read32(hisi_hba, CHNL_INT_STATUS)
|
|
& CHNL_INT_STS_MSK;
|
|
|
|
while (irq_msk) {
|
|
if (irq_msk & (CHNL_INT_STS_INT0_MSK << (phy_no * CHNL_WIDTH)))
|
|
handle_chl_int0_v3_hw(hisi_hba, phy_no);
|
|
|
|
if (irq_msk & (CHNL_INT_STS_INT1_MSK << (phy_no * CHNL_WIDTH)))
|
|
handle_chl_int1_v3_hw(hisi_hba, phy_no);
|
|
|
|
if (irq_msk & (CHNL_INT_STS_INT2_MSK << (phy_no * CHNL_WIDTH)))
|
|
handle_chl_int2_v3_hw(hisi_hba, phy_no);
|
|
|
|
irq_msk &= ~(CHNL_INT_STS_PHY_MSK << (phy_no * CHNL_WIDTH));
|
|
phy_no++;
|
|
}
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static const struct hisi_sas_hw_error multi_bit_ecc_errors[] = {
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF),
|
|
.msk = HGC_DQE_ECC_MB_ADDR_MSK,
|
|
.shift = HGC_DQE_ECC_MB_ADDR_OFF,
|
|
.msg = "hgc_dqe_eccbad_intr",
|
|
.reg = HGC_DQE_ECC_ADDR,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF),
|
|
.msk = HGC_IOST_ECC_MB_ADDR_MSK,
|
|
.shift = HGC_IOST_ECC_MB_ADDR_OFF,
|
|
.msg = "hgc_iost_eccbad_intr",
|
|
.reg = HGC_IOST_ECC_ADDR,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF),
|
|
.msk = HGC_ITCT_ECC_MB_ADDR_MSK,
|
|
.shift = HGC_ITCT_ECC_MB_ADDR_OFF,
|
|
.msg = "hgc_itct_eccbad_intr",
|
|
.reg = HGC_ITCT_ECC_ADDR,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF),
|
|
.msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
|
|
.shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
|
|
.msg = "hgc_iostl_eccbad_intr",
|
|
.reg = HGC_LM_DFX_STATUS2,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF),
|
|
.msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
|
|
.shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
|
|
.msg = "hgc_itctl_eccbad_intr",
|
|
.reg = HGC_LM_DFX_STATUS2,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF),
|
|
.msk = HGC_CQE_ECC_MB_ADDR_MSK,
|
|
.shift = HGC_CQE_ECC_MB_ADDR_OFF,
|
|
.msg = "hgc_cqe_eccbad_intr",
|
|
.reg = HGC_CQE_ECC_ADDR,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF),
|
|
.msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
|
|
.shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
|
|
.msg = "rxm_mem0_eccbad_intr",
|
|
.reg = HGC_RXM_DFX_STATUS14,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF),
|
|
.msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
|
|
.shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
|
|
.msg = "rxm_mem1_eccbad_intr",
|
|
.reg = HGC_RXM_DFX_STATUS14,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF),
|
|
.msk = HGC_RXM_DFX_STATUS14_MEM2_MSK,
|
|
.shift = HGC_RXM_DFX_STATUS14_MEM2_OFF,
|
|
.msg = "rxm_mem2_eccbad_intr",
|
|
.reg = HGC_RXM_DFX_STATUS14,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF),
|
|
.msk = HGC_RXM_DFX_STATUS15_MEM3_MSK,
|
|
.shift = HGC_RXM_DFX_STATUS15_MEM3_OFF,
|
|
.msg = "rxm_mem3_eccbad_intr",
|
|
.reg = HGC_RXM_DFX_STATUS15,
|
|
},
|
|
{
|
|
.irq_msk = BIT(SAS_ECC_INTR_OOO_RAM_ECC_MB_OFF),
|
|
.msk = AM_ROB_ECC_ERR_ADDR_MSK,
|
|
.shift = AM_ROB_ECC_ERR_ADDR_OFF,
|
|
.msg = "ooo_ram_eccbad_intr",
|
|
.reg = AM_ROB_ECC_ERR_ADDR,
|
|
},
|
|
};
|
|
|
|
static void multi_bit_ecc_error_process_v3_hw(struct hisi_hba *hisi_hba,
|
|
u32 irq_value)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
const struct hisi_sas_hw_error *ecc_error;
|
|
u32 val;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(multi_bit_ecc_errors); i++) {
|
|
ecc_error = &multi_bit_ecc_errors[i];
|
|
if (irq_value & ecc_error->irq_msk) {
|
|
val = hisi_sas_read32(hisi_hba, ecc_error->reg);
|
|
val &= ecc_error->msk;
|
|
val >>= ecc_error->shift;
|
|
dev_err(dev, "%s (0x%x) found: mem addr is 0x%08X\n",
|
|
ecc_error->msg, irq_value, val);
|
|
queue_work(hisi_hba->wq, &hisi_hba->rst_work);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void fatal_ecc_int_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
u32 irq_value, irq_msk;
|
|
|
|
irq_msk = hisi_sas_read32(hisi_hba, SAS_ECC_INTR_MSK);
|
|
hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
|
|
|
|
irq_value = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
|
|
if (irq_value)
|
|
multi_bit_ecc_error_process_v3_hw(hisi_hba, irq_value);
|
|
|
|
hisi_sas_write32(hisi_hba, SAS_ECC_INTR, irq_value);
|
|
hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk);
|
|
}
|
|
|
|
static const struct hisi_sas_hw_error axi_error[] = {
|
|
{ .msk = BIT(0), .msg = "IOST_AXI_W_ERR" },
|
|
{ .msk = BIT(1), .msg = "IOST_AXI_R_ERR" },
|
|
{ .msk = BIT(2), .msg = "ITCT_AXI_W_ERR" },
|
|
{ .msk = BIT(3), .msg = "ITCT_AXI_R_ERR" },
|
|
{ .msk = BIT(4), .msg = "SATA_AXI_W_ERR" },
|
|
{ .msk = BIT(5), .msg = "SATA_AXI_R_ERR" },
|
|
{ .msk = BIT(6), .msg = "DQE_AXI_R_ERR" },
|
|
{ .msk = BIT(7), .msg = "CQE_AXI_W_ERR" },
|
|
{}
|
|
};
|
|
|
|
static const struct hisi_sas_hw_error fifo_error[] = {
|
|
{ .msk = BIT(8), .msg = "CQE_WINFO_FIFO" },
|
|
{ .msk = BIT(9), .msg = "CQE_MSG_FIFIO" },
|
|
{ .msk = BIT(10), .msg = "GETDQE_FIFO" },
|
|
{ .msk = BIT(11), .msg = "CMDP_FIFO" },
|
|
{ .msk = BIT(12), .msg = "AWTCTRL_FIFO" },
|
|
{}
|
|
};
|
|
|
|
static const struct hisi_sas_hw_error fatal_axi_error[] = {
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_WP_DEPTH_OFF),
|
|
.msg = "write pointer and depth",
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF),
|
|
.msg = "iptt no match slot",
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_RP_DEPTH_OFF),
|
|
.msg = "read pointer and depth",
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_AXI_OFF),
|
|
.reg = HGC_AXI_FIFO_ERR_INFO,
|
|
.sub = axi_error,
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_FIFO_OFF),
|
|
.reg = HGC_AXI_FIFO_ERR_INFO,
|
|
.sub = fifo_error,
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_LM_OFF),
|
|
.msg = "LM add/fetch list",
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_ABT_OFF),
|
|
.msg = "SAS_HGC_ABT fetch LM list",
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_DQE_POISON_OFF),
|
|
.msg = "read dqe poison",
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_IOST_POISON_OFF),
|
|
.msg = "read iost poison",
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_ITCT_POISON_OFF),
|
|
.msg = "read itct poison",
|
|
},
|
|
{
|
|
.irq_msk = BIT(ENT_INT_SRC3_ITCT_NCQ_POISON_OFF),
|
|
.msg = "read itct ncq poison",
|
|
},
|
|
|
|
};
|
|
|
|
static irqreturn_t fatal_axi_int_v3_hw(int irq_no, void *p)
|
|
{
|
|
u32 irq_value, irq_msk;
|
|
struct hisi_hba *hisi_hba = p;
|
|
struct device *dev = hisi_hba->dev;
|
|
struct pci_dev *pdev = hisi_hba->pci_dev;
|
|
int i;
|
|
|
|
irq_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk | 0x1df00);
|
|
|
|
irq_value = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
|
|
irq_value &= ~irq_msk;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(fatal_axi_error); i++) {
|
|
const struct hisi_sas_hw_error *error = &fatal_axi_error[i];
|
|
|
|
if (!(irq_value & error->irq_msk))
|
|
continue;
|
|
|
|
if (error->sub) {
|
|
const struct hisi_sas_hw_error *sub = error->sub;
|
|
u32 err_value = hisi_sas_read32(hisi_hba, error->reg);
|
|
|
|
for (; sub->msk || sub->msg; sub++) {
|
|
if (!(err_value & sub->msk))
|
|
continue;
|
|
|
|
dev_err(dev, "%s error (0x%x) found!\n",
|
|
sub->msg, irq_value);
|
|
queue_work(hisi_hba->wq, &hisi_hba->rst_work);
|
|
}
|
|
} else {
|
|
dev_err(dev, "%s error (0x%x) found!\n",
|
|
error->msg, irq_value);
|
|
queue_work(hisi_hba->wq, &hisi_hba->rst_work);
|
|
}
|
|
|
|
if (pdev->revision < 0x21) {
|
|
u32 reg_val;
|
|
|
|
reg_val = hisi_sas_read32(hisi_hba,
|
|
AXI_MASTER_CFG_BASE +
|
|
AM_CTRL_GLOBAL);
|
|
reg_val |= AM_CTRL_SHUTDOWN_REQ_MSK;
|
|
hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
|
|
AM_CTRL_GLOBAL, reg_val);
|
|
}
|
|
}
|
|
|
|
fatal_ecc_int_v3_hw(hisi_hba);
|
|
|
|
if (irq_value & BIT(ENT_INT_SRC3_ITC_INT_OFF)) {
|
|
u32 reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR);
|
|
u32 dev_id = reg_val & ITCT_DEV_MSK;
|
|
struct hisi_sas_device *sas_dev =
|
|
&hisi_hba->devices[dev_id];
|
|
|
|
hisi_sas_write32(hisi_hba, ITCT_CLR, 0);
|
|
dev_dbg(dev, "clear ITCT ok\n");
|
|
complete(sas_dev->completion);
|
|
}
|
|
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC3, irq_value & 0x1df00);
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static bool is_ncq_err_v3_hw(struct hisi_sas_complete_v3_hdr *complete_hdr)
|
|
{
|
|
u32 dw0, dw3;
|
|
|
|
dw0 = le32_to_cpu(complete_hdr->dw0);
|
|
dw3 = le32_to_cpu(complete_hdr->dw3);
|
|
|
|
return (dw0 & ERR_PHASE_RESPONSE_FRAME_REV_STAGE_MSK) &&
|
|
(dw3 & FIS_TYPE_SDB_MSK) &&
|
|
(dw3 & FIS_ATA_STATUS_ERR_MSK);
|
|
}
|
|
|
|
static bool
|
|
slot_err_v3_hw(struct hisi_hba *hisi_hba, struct sas_task *task,
|
|
struct hisi_sas_slot *slot)
|
|
{
|
|
struct task_status_struct *ts = &task->task_status;
|
|
struct hisi_sas_complete_v3_hdr *complete_queue =
|
|
hisi_hba->complete_hdr[slot->cmplt_queue];
|
|
struct hisi_sas_complete_v3_hdr *complete_hdr =
|
|
&complete_queue[slot->cmplt_queue_slot];
|
|
struct hisi_sas_err_record_v3 *record =
|
|
hisi_sas_status_buf_addr_mem(slot);
|
|
u32 dma_rx_err_type = le32_to_cpu(record->dma_rx_err_type);
|
|
u32 trans_tx_fail_type = le32_to_cpu(record->trans_tx_fail_type);
|
|
u16 sipc_rx_err_type = le16_to_cpu(record->sipc_rx_err_type);
|
|
u32 dw3 = le32_to_cpu(complete_hdr->dw3);
|
|
u32 dw0 = le32_to_cpu(complete_hdr->dw0);
|
|
|
|
switch (task->task_proto) {
|
|
case SAS_PROTOCOL_SSP:
|
|
if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) {
|
|
/*
|
|
* If returned response frame is incorrect because of data underflow,
|
|
* but I/O information has been written to the host memory, we examine
|
|
* response IU.
|
|
*/
|
|
if (!(dw0 & CMPLT_HDR_RSPNS_GOOD_MSK) &&
|
|
(dw0 & CMPLT_HDR_RSPNS_XFRD_MSK))
|
|
return false;
|
|
|
|
ts->residual = trans_tx_fail_type;
|
|
ts->stat = SAS_DATA_UNDERRUN;
|
|
} else if (dw3 & CMPLT_HDR_IO_IN_TARGET_MSK) {
|
|
ts->stat = SAS_QUEUE_FULL;
|
|
slot->abort = 1;
|
|
} else {
|
|
ts->stat = SAS_OPEN_REJECT;
|
|
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
|
|
}
|
|
break;
|
|
case SAS_PROTOCOL_SATA:
|
|
case SAS_PROTOCOL_STP:
|
|
case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
|
|
if ((dw0 & CMPLT_HDR_RSPNS_XFRD_MSK) &&
|
|
(sipc_rx_err_type & RX_FIS_STATUS_ERR_MSK)) {
|
|
if (task->ata_task.use_ncq) {
|
|
struct domain_device *device = task->dev;
|
|
struct hisi_sas_device *sas_dev = device->lldd_dev;
|
|
|
|
sas_dev->dev_status = HISI_SAS_DEV_NCQ_ERR;
|
|
slot->abort = 1;
|
|
} else {
|
|
ts->stat = SAS_PROTO_RESPONSE;
|
|
}
|
|
} else if (dma_rx_err_type & RX_DATA_LEN_UNDERFLOW_MSK) {
|
|
ts->residual = trans_tx_fail_type;
|
|
ts->stat = SAS_DATA_UNDERRUN;
|
|
} else if ((dw3 & CMPLT_HDR_IO_IN_TARGET_MSK) ||
|
|
(dw3 & SATA_DISK_IN_ERROR_STATUS_MSK)) {
|
|
ts->stat = SAS_PHY_DOWN;
|
|
slot->abort = 1;
|
|
} else {
|
|
ts->stat = SAS_OPEN_REJECT;
|
|
ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
|
|
}
|
|
if (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)
|
|
hisi_sas_sata_done(task, slot);
|
|
break;
|
|
case SAS_PROTOCOL_SMP:
|
|
ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static void slot_complete_v3_hw(struct hisi_hba *hisi_hba,
|
|
struct hisi_sas_slot *slot)
|
|
{
|
|
struct sas_task *task = slot->task;
|
|
struct hisi_sas_device *sas_dev;
|
|
struct device *dev = hisi_hba->dev;
|
|
struct task_status_struct *ts;
|
|
struct domain_device *device;
|
|
struct sas_ha_struct *ha;
|
|
struct hisi_sas_complete_v3_hdr *complete_queue =
|
|
hisi_hba->complete_hdr[slot->cmplt_queue];
|
|
struct hisi_sas_complete_v3_hdr *complete_hdr =
|
|
&complete_queue[slot->cmplt_queue_slot];
|
|
unsigned long flags;
|
|
bool is_internal = slot->is_internal;
|
|
u32 dw0, dw1, dw3;
|
|
|
|
if (unlikely(!task || !task->lldd_task || !task->dev))
|
|
return;
|
|
|
|
ts = &task->task_status;
|
|
device = task->dev;
|
|
ha = device->port->ha;
|
|
sas_dev = device->lldd_dev;
|
|
|
|
spin_lock_irqsave(&task->task_state_lock, flags);
|
|
task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
|
|
spin_unlock_irqrestore(&task->task_state_lock, flags);
|
|
|
|
memset(ts, 0, sizeof(*ts));
|
|
ts->resp = SAS_TASK_COMPLETE;
|
|
|
|
if (unlikely(!sas_dev)) {
|
|
dev_dbg(dev, "slot complete: port has not device\n");
|
|
ts->stat = SAS_PHY_DOWN;
|
|
goto out;
|
|
}
|
|
|
|
dw0 = le32_to_cpu(complete_hdr->dw0);
|
|
dw1 = le32_to_cpu(complete_hdr->dw1);
|
|
dw3 = le32_to_cpu(complete_hdr->dw3);
|
|
|
|
/*
|
|
* Use SAS+TMF status codes
|
|
*/
|
|
switch ((dw0 & CMPLT_HDR_ABORT_STAT_MSK) >> CMPLT_HDR_ABORT_STAT_OFF) {
|
|
case STAT_IO_ABORTED:
|
|
/* this IO has been aborted by abort command */
|
|
ts->stat = SAS_ABORTED_TASK;
|
|
goto out;
|
|
case STAT_IO_COMPLETE:
|
|
/* internal abort command complete */
|
|
ts->stat = TMF_RESP_FUNC_SUCC;
|
|
goto out;
|
|
case STAT_IO_NO_DEVICE:
|
|
ts->stat = TMF_RESP_FUNC_COMPLETE;
|
|
goto out;
|
|
case STAT_IO_NOT_VALID:
|
|
/*
|
|
* abort single IO, the controller can't find the IO
|
|
*/
|
|
ts->stat = TMF_RESP_FUNC_FAILED;
|
|
goto out;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* check for erroneous completion */
|
|
if ((dw0 & CMPLT_HDR_CMPLT_MSK) == 0x3) {
|
|
u32 *error_info = hisi_sas_status_buf_addr_mem(slot);
|
|
|
|
if (slot_err_v3_hw(hisi_hba, task, slot)) {
|
|
if (ts->stat != SAS_DATA_UNDERRUN)
|
|
dev_info(dev, "erroneous completion iptt=%d task=%pK dev id=%d addr=%016llx CQ hdr: 0x%x 0x%x 0x%x 0x%x Error info: 0x%x 0x%x 0x%x 0x%x\n",
|
|
slot->idx, task, sas_dev->device_id,
|
|
SAS_ADDR(device->sas_addr),
|
|
dw0, dw1, complete_hdr->act, dw3,
|
|
error_info[0], error_info[1],
|
|
error_info[2], error_info[3]);
|
|
if (unlikely(slot->abort)) {
|
|
if (dev_is_sata(device) && task->ata_task.use_ncq)
|
|
sas_ata_device_link_abort(device, true);
|
|
else
|
|
sas_task_abort(task);
|
|
|
|
return;
|
|
}
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
switch (task->task_proto) {
|
|
case SAS_PROTOCOL_SSP: {
|
|
struct ssp_response_iu *iu =
|
|
hisi_sas_status_buf_addr_mem(slot) +
|
|
sizeof(struct hisi_sas_err_record);
|
|
|
|
sas_ssp_task_response(dev, task, iu);
|
|
break;
|
|
}
|
|
case SAS_PROTOCOL_SMP: {
|
|
struct scatterlist *sg_resp = &task->smp_task.smp_resp;
|
|
void *to = page_address(sg_page(sg_resp));
|
|
|
|
ts->stat = SAS_SAM_STAT_GOOD;
|
|
|
|
memcpy(to + sg_resp->offset,
|
|
hisi_sas_status_buf_addr_mem(slot) +
|
|
sizeof(struct hisi_sas_err_record),
|
|
sg_resp->length);
|
|
break;
|
|
}
|
|
case SAS_PROTOCOL_SATA:
|
|
case SAS_PROTOCOL_STP:
|
|
case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
|
|
ts->stat = SAS_SAM_STAT_GOOD;
|
|
if (dw0 & CMPLT_HDR_RSPNS_XFRD_MSK)
|
|
hisi_sas_sata_done(task, slot);
|
|
break;
|
|
default:
|
|
ts->stat = SAS_SAM_STAT_CHECK_CONDITION;
|
|
break;
|
|
}
|
|
|
|
if (!slot->port->port_attached) {
|
|
dev_warn(dev, "slot complete: port %d has removed\n",
|
|
slot->port->sas_port.id);
|
|
ts->stat = SAS_PHY_DOWN;
|
|
}
|
|
|
|
out:
|
|
spin_lock_irqsave(&task->task_state_lock, flags);
|
|
if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
|
|
spin_unlock_irqrestore(&task->task_state_lock, flags);
|
|
dev_info(dev, "slot complete: task(%pK) aborted\n", task);
|
|
return;
|
|
}
|
|
task->task_state_flags |= SAS_TASK_STATE_DONE;
|
|
spin_unlock_irqrestore(&task->task_state_lock, flags);
|
|
hisi_sas_slot_task_free(hisi_hba, task, slot, true);
|
|
|
|
if (!is_internal && (task->task_proto != SAS_PROTOCOL_SMP)) {
|
|
spin_lock_irqsave(&device->done_lock, flags);
|
|
if (test_bit(SAS_HA_FROZEN, &ha->state)) {
|
|
spin_unlock_irqrestore(&device->done_lock, flags);
|
|
dev_info(dev, "slot complete: task(%pK) ignored\n",
|
|
task);
|
|
return;
|
|
}
|
|
spin_unlock_irqrestore(&device->done_lock, flags);
|
|
}
|
|
|
|
if (task->task_done)
|
|
task->task_done(task);
|
|
}
|
|
|
|
static int complete_v3_hw(struct hisi_sas_cq *cq)
|
|
{
|
|
struct hisi_sas_complete_v3_hdr *complete_queue;
|
|
struct hisi_hba *hisi_hba = cq->hisi_hba;
|
|
u32 rd_point, wr_point;
|
|
int queue = cq->id;
|
|
int completed;
|
|
|
|
rd_point = cq->rd_point;
|
|
complete_queue = hisi_hba->complete_hdr[queue];
|
|
|
|
wr_point = hisi_sas_read32(hisi_hba, COMPL_Q_0_WR_PTR +
|
|
(0x14 * queue));
|
|
completed = (wr_point + HISI_SAS_QUEUE_SLOTS - rd_point) % HISI_SAS_QUEUE_SLOTS;
|
|
|
|
while (rd_point != wr_point) {
|
|
struct hisi_sas_complete_v3_hdr *complete_hdr;
|
|
struct device *dev = hisi_hba->dev;
|
|
struct hisi_sas_slot *slot;
|
|
u32 dw0, dw1, dw3;
|
|
int iptt;
|
|
|
|
complete_hdr = &complete_queue[rd_point];
|
|
dw0 = le32_to_cpu(complete_hdr->dw0);
|
|
dw1 = le32_to_cpu(complete_hdr->dw1);
|
|
dw3 = le32_to_cpu(complete_hdr->dw3);
|
|
|
|
iptt = dw1 & CMPLT_HDR_IPTT_MSK;
|
|
if (unlikely((dw0 & CMPLT_HDR_CMPLT_MSK) == 0x3) &&
|
|
(dw3 & CMPLT_HDR_SATA_DISK_ERR_MSK)) {
|
|
int device_id = (dw1 & CMPLT_HDR_DEV_ID_MSK) >>
|
|
CMPLT_HDR_DEV_ID_OFF;
|
|
struct hisi_sas_itct *itct =
|
|
&hisi_hba->itct[device_id];
|
|
struct hisi_sas_device *sas_dev =
|
|
&hisi_hba->devices[device_id];
|
|
struct domain_device *device = sas_dev->sas_device;
|
|
|
|
dev_err(dev, "erroneous completion disk err dev id=%d sas_addr=0x%llx CQ hdr: 0x%x 0x%x 0x%x 0x%x\n",
|
|
device_id, itct->sas_addr, dw0, dw1,
|
|
complete_hdr->act, dw3);
|
|
|
|
if (is_ncq_err_v3_hw(complete_hdr))
|
|
sas_dev->dev_status = HISI_SAS_DEV_NCQ_ERR;
|
|
|
|
sas_ata_device_link_abort(device, true);
|
|
} else if (likely(iptt < HISI_SAS_COMMAND_ENTRIES_V3_HW)) {
|
|
slot = &hisi_hba->slot_info[iptt];
|
|
slot->cmplt_queue_slot = rd_point;
|
|
slot->cmplt_queue = queue;
|
|
slot_complete_v3_hw(hisi_hba, slot);
|
|
} else
|
|
dev_err(dev, "IPTT %d is invalid, discard it.\n", iptt);
|
|
|
|
if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
|
|
rd_point = 0;
|
|
}
|
|
|
|
/* update rd_point */
|
|
cq->rd_point = rd_point;
|
|
hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
|
|
|
|
return completed;
|
|
}
|
|
|
|
static int queue_complete_v3_hw(struct Scsi_Host *shost, unsigned int queue)
|
|
{
|
|
struct hisi_hba *hisi_hba = shost_priv(shost);
|
|
struct hisi_sas_cq *cq = &hisi_hba->cq[queue];
|
|
int completed;
|
|
|
|
spin_lock(&cq->poll_lock);
|
|
completed = complete_v3_hw(cq);
|
|
spin_unlock(&cq->poll_lock);
|
|
|
|
return completed;
|
|
}
|
|
|
|
static irqreturn_t cq_thread_v3_hw(int irq_no, void *p)
|
|
{
|
|
struct hisi_sas_cq *cq = p;
|
|
|
|
complete_v3_hw(cq);
|
|
|
|
return IRQ_HANDLED;
|
|
}
|
|
|
|
static irqreturn_t cq_interrupt_v3_hw(int irq_no, void *p)
|
|
{
|
|
struct hisi_sas_cq *cq = p;
|
|
struct hisi_hba *hisi_hba = cq->hisi_hba;
|
|
int queue = cq->id;
|
|
|
|
hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
|
|
|
|
return IRQ_WAKE_THREAD;
|
|
}
|
|
|
|
static void hisi_sas_v3_free_vectors(void *data)
|
|
{
|
|
struct pci_dev *pdev = data;
|
|
|
|
pci_free_irq_vectors(pdev);
|
|
}
|
|
|
|
static int interrupt_preinit_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
/* Allocate all MSI vectors to avoid re-insertion issue */
|
|
int max_msi = HISI_SAS_MSI_COUNT_V3_HW;
|
|
int vectors, min_msi;
|
|
struct Scsi_Host *shost = hisi_hba->shost;
|
|
struct pci_dev *pdev = hisi_hba->pci_dev;
|
|
struct irq_affinity desc = {
|
|
.pre_vectors = BASE_VECTORS_V3_HW,
|
|
};
|
|
|
|
min_msi = MIN_AFFINE_VECTORS_V3_HW;
|
|
vectors = pci_alloc_irq_vectors_affinity(pdev,
|
|
min_msi, max_msi,
|
|
PCI_IRQ_MSI |
|
|
PCI_IRQ_AFFINITY,
|
|
&desc);
|
|
if (vectors < 0)
|
|
return -ENOENT;
|
|
|
|
|
|
hisi_hba->cq_nvecs = vectors - BASE_VECTORS_V3_HW - hisi_hba->iopoll_q_cnt;
|
|
shost->nr_hw_queues = hisi_hba->cq_nvecs + hisi_hba->iopoll_q_cnt;
|
|
|
|
return devm_add_action(&pdev->dev, hisi_sas_v3_free_vectors, pdev);
|
|
}
|
|
|
|
static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
struct pci_dev *pdev = hisi_hba->pci_dev;
|
|
int rc, i;
|
|
|
|
rc = devm_request_irq(dev, pci_irq_vector(pdev, 1),
|
|
int_phy_up_down_bcast_v3_hw, 0,
|
|
DRV_NAME " phy", hisi_hba);
|
|
if (rc) {
|
|
dev_err(dev, "could not request phy interrupt, rc=%d\n", rc);
|
|
return -ENOENT;
|
|
}
|
|
|
|
rc = devm_request_irq(dev, pci_irq_vector(pdev, 2),
|
|
int_chnl_int_v3_hw, 0,
|
|
DRV_NAME " channel", hisi_hba);
|
|
if (rc) {
|
|
dev_err(dev, "could not request chnl interrupt, rc=%d\n", rc);
|
|
return -ENOENT;
|
|
}
|
|
|
|
rc = devm_request_irq(dev, pci_irq_vector(pdev, 11),
|
|
fatal_axi_int_v3_hw, 0,
|
|
DRV_NAME " fatal", hisi_hba);
|
|
if (rc) {
|
|
dev_err(dev, "could not request fatal interrupt, rc=%d\n", rc);
|
|
return -ENOENT;
|
|
}
|
|
|
|
if (hisi_sas_intr_conv)
|
|
dev_info(dev, "Enable interrupt converge\n");
|
|
|
|
for (i = 0; i < hisi_hba->cq_nvecs; i++) {
|
|
struct hisi_sas_cq *cq = &hisi_hba->cq[i];
|
|
int nr = hisi_sas_intr_conv ? 16 : 16 + i;
|
|
unsigned long irqflags = hisi_sas_intr_conv ? IRQF_SHARED :
|
|
IRQF_ONESHOT;
|
|
|
|
cq->irq_no = pci_irq_vector(pdev, nr);
|
|
rc = devm_request_threaded_irq(dev, cq->irq_no,
|
|
cq_interrupt_v3_hw,
|
|
cq_thread_v3_hw,
|
|
irqflags,
|
|
DRV_NAME " cq", cq);
|
|
if (rc) {
|
|
dev_err(dev, "could not request cq%d interrupt, rc=%d\n",
|
|
i, rc);
|
|
return -ENOENT;
|
|
}
|
|
cq->irq_mask = pci_irq_get_affinity(pdev, i + BASE_VECTORS_V3_HW);
|
|
if (!cq->irq_mask) {
|
|
dev_err(dev, "could not get cq%d irq affinity!\n", i);
|
|
return -ENOENT;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hisi_sas_v3_init(struct hisi_hba *hisi_hba)
|
|
{
|
|
int rc;
|
|
|
|
rc = hw_init_v3_hw(hisi_hba);
|
|
if (rc)
|
|
return rc;
|
|
|
|
rc = interrupt_init_v3_hw(hisi_hba);
|
|
if (rc)
|
|
return rc;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void phy_set_linkrate_v3_hw(struct hisi_hba *hisi_hba, int phy_no,
|
|
struct sas_phy_linkrates *r)
|
|
{
|
|
enum sas_linkrate max = r->maximum_linkrate;
|
|
u32 prog_phy_link_rate = hisi_sas_phy_read32(hisi_hba, phy_no,
|
|
PROG_PHY_LINK_RATE);
|
|
|
|
prog_phy_link_rate &= ~CFG_PROG_PHY_LINK_RATE_MSK;
|
|
prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
|
|
prog_phy_link_rate);
|
|
}
|
|
|
|
static void interrupt_disable_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct pci_dev *pdev = hisi_hba->pci_dev;
|
|
int i;
|
|
|
|
synchronize_irq(pci_irq_vector(pdev, 1));
|
|
synchronize_irq(pci_irq_vector(pdev, 2));
|
|
synchronize_irq(pci_irq_vector(pdev, 11));
|
|
for (i = 0; i < hisi_hba->queue_count; i++)
|
|
hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0x1);
|
|
|
|
for (i = 0; i < hisi_hba->cq_nvecs; i++)
|
|
synchronize_irq(pci_irq_vector(pdev, i + 16));
|
|
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xffffffff);
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xffffffff);
|
|
hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffffffff);
|
|
hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
|
|
|
|
for (i = 0; i < hisi_hba->n_phy; i++) {
|
|
hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
|
|
hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffffff);
|
|
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x1);
|
|
hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x1);
|
|
hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x1);
|
|
}
|
|
}
|
|
|
|
static u32 get_phys_state_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
return hisi_sas_read32(hisi_hba, PHY_STATE);
|
|
}
|
|
|
|
static int disable_host_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
u32 status, reg_val;
|
|
int rc;
|
|
|
|
hisi_sas_sync_poll_cqs(hisi_hba);
|
|
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0);
|
|
|
|
hisi_sas_stop_phys(hisi_hba);
|
|
|
|
mdelay(10);
|
|
|
|
reg_val = hisi_sas_read32(hisi_hba, AXI_MASTER_CFG_BASE +
|
|
AM_CTRL_GLOBAL);
|
|
reg_val |= AM_CTRL_SHUTDOWN_REQ_MSK;
|
|
hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
|
|
AM_CTRL_GLOBAL, reg_val);
|
|
|
|
/* wait until bus idle */
|
|
rc = hisi_sas_read32_poll_timeout(AXI_MASTER_CFG_BASE +
|
|
AM_CURR_TRANS_RETURN, status,
|
|
status == 0x3, 10, 100);
|
|
if (rc) {
|
|
dev_err(dev, "axi bus is not idle, rc=%d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int soft_reset_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
int rc;
|
|
|
|
interrupt_disable_v3_hw(hisi_hba);
|
|
rc = disable_host_v3_hw(hisi_hba);
|
|
if (rc) {
|
|
dev_err(dev, "soft reset: disable host failed rc=%d\n", rc);
|
|
return rc;
|
|
}
|
|
|
|
hisi_sas_init_mem(hisi_hba);
|
|
|
|
return hw_init_v3_hw(hisi_hba);
|
|
}
|
|
|
|
static int write_gpio_v3_hw(struct hisi_hba *hisi_hba, u8 reg_type,
|
|
u8 reg_index, u8 reg_count, u8 *write_data)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
u32 *data = (u32 *)write_data;
|
|
int i;
|
|
|
|
switch (reg_type) {
|
|
case SAS_GPIO_REG_TX:
|
|
if ((reg_index + reg_count) > ((hisi_hba->n_phy + 3) / 4)) {
|
|
dev_err(dev, "write gpio: invalid reg range[%d, %d]\n",
|
|
reg_index, reg_index + reg_count - 1);
|
|
return -EINVAL;
|
|
}
|
|
|
|
for (i = 0; i < reg_count; i++)
|
|
hisi_sas_write32(hisi_hba,
|
|
SAS_GPIO_TX_0_1 + (reg_index + i) * 4,
|
|
data[i]);
|
|
break;
|
|
default:
|
|
dev_err(dev, "write gpio: unsupported or bad reg type %d\n",
|
|
reg_type);
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void wait_cmds_complete_timeout_v3_hw(struct hisi_hba *hisi_hba,
|
|
int delay_ms, int timeout_ms)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
int entries, entries_old = 0, time;
|
|
|
|
for (time = 0; time < timeout_ms; time += delay_ms) {
|
|
entries = hisi_sas_read32(hisi_hba, CQE_SEND_CNT);
|
|
if (entries == entries_old)
|
|
break;
|
|
|
|
entries_old = entries;
|
|
msleep(delay_ms);
|
|
}
|
|
|
|
if (time >= timeout_ms) {
|
|
dev_dbg(dev, "Wait commands complete timeout!\n");
|
|
return;
|
|
}
|
|
|
|
dev_dbg(dev, "wait commands complete %dms\n", time);
|
|
}
|
|
|
|
static ssize_t intr_conv_v3_hw_show(struct device *dev,
|
|
struct device_attribute *attr, char *buf)
|
|
{
|
|
return scnprintf(buf, PAGE_SIZE, "%u\n", hisi_sas_intr_conv);
|
|
}
|
|
static DEVICE_ATTR_RO(intr_conv_v3_hw);
|
|
|
|
static void config_intr_coal_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
/* config those registers between enable and disable PHYs */
|
|
hisi_sas_stop_phys(hisi_hba);
|
|
|
|
if (hisi_hba->intr_coal_ticks == 0 ||
|
|
hisi_hba->intr_coal_count == 0) {
|
|
hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x1);
|
|
hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x1);
|
|
hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x1);
|
|
} else {
|
|
hisi_sas_write32(hisi_hba, INT_COAL_EN, 0x3);
|
|
hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME,
|
|
hisi_hba->intr_coal_ticks);
|
|
hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT,
|
|
hisi_hba->intr_coal_count);
|
|
}
|
|
phys_init_v3_hw(hisi_hba);
|
|
}
|
|
|
|
static ssize_t intr_coal_ticks_v3_hw_show(struct device *dev,
|
|
struct device_attribute *attr,
|
|
char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct hisi_hba *hisi_hba = shost_priv(shost);
|
|
|
|
return scnprintf(buf, PAGE_SIZE, "%u\n",
|
|
hisi_hba->intr_coal_ticks);
|
|
}
|
|
|
|
static ssize_t intr_coal_ticks_v3_hw_store(struct device *dev,
|
|
struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct hisi_hba *hisi_hba = shost_priv(shost);
|
|
u32 intr_coal_ticks;
|
|
int ret;
|
|
|
|
ret = kstrtou32(buf, 10, &intr_coal_ticks);
|
|
if (ret) {
|
|
dev_err(dev, "Input data of interrupt coalesce unmatch\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (intr_coal_ticks >= BIT(24)) {
|
|
dev_err(dev, "intr_coal_ticks must be less than 2^24!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
hisi_hba->intr_coal_ticks = intr_coal_ticks;
|
|
|
|
config_intr_coal_v3_hw(hisi_hba);
|
|
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR_RW(intr_coal_ticks_v3_hw);
|
|
|
|
static ssize_t intr_coal_count_v3_hw_show(struct device *dev,
|
|
struct device_attribute
|
|
*attr, char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct hisi_hba *hisi_hba = shost_priv(shost);
|
|
|
|
return scnprintf(buf, PAGE_SIZE, "%u\n",
|
|
hisi_hba->intr_coal_count);
|
|
}
|
|
|
|
static ssize_t intr_coal_count_v3_hw_store(struct device *dev,
|
|
struct device_attribute
|
|
*attr, const char *buf, size_t count)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct hisi_hba *hisi_hba = shost_priv(shost);
|
|
u32 intr_coal_count;
|
|
int ret;
|
|
|
|
ret = kstrtou32(buf, 10, &intr_coal_count);
|
|
if (ret) {
|
|
dev_err(dev, "Input data of interrupt coalesce unmatch\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (intr_coal_count >= BIT(8)) {
|
|
dev_err(dev, "intr_coal_count must be less than 2^8!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
hisi_hba->intr_coal_count = intr_coal_count;
|
|
|
|
config_intr_coal_v3_hw(hisi_hba);
|
|
|
|
return count;
|
|
}
|
|
static DEVICE_ATTR_RW(intr_coal_count_v3_hw);
|
|
|
|
static ssize_t iopoll_q_cnt_v3_hw_show(struct device *dev,
|
|
struct device_attribute
|
|
*attr, char *buf)
|
|
{
|
|
struct Scsi_Host *shost = class_to_shost(dev);
|
|
struct hisi_hba *hisi_hba = shost_priv(shost);
|
|
|
|
return scnprintf(buf, PAGE_SIZE, "%u\n",
|
|
hisi_hba->iopoll_q_cnt);
|
|
}
|
|
static DEVICE_ATTR_RO(iopoll_q_cnt_v3_hw);
|
|
|
|
static int device_configure_v3_hw(struct scsi_device *sdev,
|
|
struct queue_limits *lim)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(&sdev->sdev_gendev);
|
|
struct hisi_hba *hisi_hba = shost_priv(shost);
|
|
int ret = hisi_sas_device_configure(sdev, lim);
|
|
struct device *dev = hisi_hba->dev;
|
|
|
|
if (ret)
|
|
return ret;
|
|
|
|
if (sdev->type == TYPE_ENCLOSURE)
|
|
return 0;
|
|
|
|
if (!device_link_add(&sdev->sdev_gendev, dev,
|
|
DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE)) {
|
|
if (pm_runtime_enabled(dev)) {
|
|
dev_info(dev, "add device link failed, disable runtime PM for the host\n");
|
|
pm_runtime_disable(dev);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct attribute *host_v3_hw_attrs[] = {
|
|
&dev_attr_phy_event_threshold.attr,
|
|
&dev_attr_intr_conv_v3_hw.attr,
|
|
&dev_attr_intr_coal_ticks_v3_hw.attr,
|
|
&dev_attr_intr_coal_count_v3_hw.attr,
|
|
&dev_attr_iopoll_q_cnt_v3_hw.attr,
|
|
NULL
|
|
};
|
|
|
|
ATTRIBUTE_GROUPS(host_v3_hw);
|
|
|
|
static const struct attribute_group *sdev_groups_v3_hw[] = {
|
|
&sas_ata_sdev_attr_group,
|
|
NULL
|
|
};
|
|
|
|
#define HISI_SAS_DEBUGFS_REG(x) {#x, x}
|
|
|
|
struct hisi_sas_debugfs_reg_lu {
|
|
char *name;
|
|
int off;
|
|
};
|
|
|
|
struct hisi_sas_debugfs_reg {
|
|
const struct hisi_sas_debugfs_reg_lu *lu;
|
|
int count;
|
|
int base_off;
|
|
};
|
|
|
|
static const struct hisi_sas_debugfs_reg_lu debugfs_port_reg_lu[] = {
|
|
HISI_SAS_DEBUGFS_REG(PHY_CFG),
|
|
HISI_SAS_DEBUGFS_REG(HARD_PHY_LINKRATE),
|
|
HISI_SAS_DEBUGFS_REG(PROG_PHY_LINK_RATE),
|
|
HISI_SAS_DEBUGFS_REG(PHY_CTRL),
|
|
HISI_SAS_DEBUGFS_REG(SL_CFG),
|
|
HISI_SAS_DEBUGFS_REG(AIP_LIMIT),
|
|
HISI_SAS_DEBUGFS_REG(SL_CONTROL),
|
|
HISI_SAS_DEBUGFS_REG(RX_PRIMS_STATUS),
|
|
HISI_SAS_DEBUGFS_REG(TX_ID_DWORD0),
|
|
HISI_SAS_DEBUGFS_REG(TX_ID_DWORD1),
|
|
HISI_SAS_DEBUGFS_REG(TX_ID_DWORD2),
|
|
HISI_SAS_DEBUGFS_REG(TX_ID_DWORD3),
|
|
HISI_SAS_DEBUGFS_REG(TX_ID_DWORD4),
|
|
HISI_SAS_DEBUGFS_REG(TX_ID_DWORD5),
|
|
HISI_SAS_DEBUGFS_REG(TX_ID_DWORD6),
|
|
HISI_SAS_DEBUGFS_REG(TXID_AUTO),
|
|
HISI_SAS_DEBUGFS_REG(RX_IDAF_DWORD0),
|
|
HISI_SAS_DEBUGFS_REG(RXOP_CHECK_CFG_H),
|
|
HISI_SAS_DEBUGFS_REG(STP_LINK_TIMER),
|
|
HISI_SAS_DEBUGFS_REG(STP_LINK_TIMEOUT_STATE),
|
|
HISI_SAS_DEBUGFS_REG(CON_CFG_DRIVER),
|
|
HISI_SAS_DEBUGFS_REG(SAS_SSP_CON_TIMER_CFG),
|
|
HISI_SAS_DEBUGFS_REG(SAS_SMP_CON_TIMER_CFG),
|
|
HISI_SAS_DEBUGFS_REG(SAS_STP_CON_TIMER_CFG),
|
|
HISI_SAS_DEBUGFS_REG(CHL_INT0),
|
|
HISI_SAS_DEBUGFS_REG(CHL_INT1),
|
|
HISI_SAS_DEBUGFS_REG(CHL_INT2),
|
|
HISI_SAS_DEBUGFS_REG(CHL_INT0_MSK),
|
|
HISI_SAS_DEBUGFS_REG(CHL_INT1_MSK),
|
|
HISI_SAS_DEBUGFS_REG(CHL_INT2_MSK),
|
|
HISI_SAS_DEBUGFS_REG(SAS_EC_INT_COAL_TIME),
|
|
HISI_SAS_DEBUGFS_REG(CHL_INT_COAL_EN),
|
|
HISI_SAS_DEBUGFS_REG(SAS_RX_TRAIN_TIMER),
|
|
HISI_SAS_DEBUGFS_REG(PHY_CTRL_RDY_MSK),
|
|
HISI_SAS_DEBUGFS_REG(PHYCTRL_NOT_RDY_MSK),
|
|
HISI_SAS_DEBUGFS_REG(PHYCTRL_DWS_RESET_MSK),
|
|
HISI_SAS_DEBUGFS_REG(PHYCTRL_PHY_ENA_MSK),
|
|
HISI_SAS_DEBUGFS_REG(SL_RX_BCAST_CHK_MSK),
|
|
HISI_SAS_DEBUGFS_REG(PHYCTRL_OOB_RESTART_MSK),
|
|
HISI_SAS_DEBUGFS_REG(DMA_TX_STATUS),
|
|
HISI_SAS_DEBUGFS_REG(DMA_RX_STATUS),
|
|
HISI_SAS_DEBUGFS_REG(COARSETUNE_TIME),
|
|
HISI_SAS_DEBUGFS_REG(ERR_CNT_DWS_LOST),
|
|
HISI_SAS_DEBUGFS_REG(ERR_CNT_RESET_PROB),
|
|
HISI_SAS_DEBUGFS_REG(ERR_CNT_INVLD_DW),
|
|
HISI_SAS_DEBUGFS_REG(ERR_CNT_CODE_ERR),
|
|
HISI_SAS_DEBUGFS_REG(ERR_CNT_DISP_ERR),
|
|
{}
|
|
};
|
|
|
|
static const struct hisi_sas_debugfs_reg debugfs_port_reg = {
|
|
.lu = debugfs_port_reg_lu,
|
|
.count = 0x100,
|
|
.base_off = PORT_BASE,
|
|
};
|
|
|
|
static const struct hisi_sas_debugfs_reg_lu debugfs_global_reg_lu[] = {
|
|
HISI_SAS_DEBUGFS_REG(DLVRY_QUEUE_ENABLE),
|
|
HISI_SAS_DEBUGFS_REG(PHY_CONTEXT),
|
|
HISI_SAS_DEBUGFS_REG(PHY_STATE),
|
|
HISI_SAS_DEBUGFS_REG(PHY_PORT_NUM_MA),
|
|
HISI_SAS_DEBUGFS_REG(PHY_CONN_RATE),
|
|
HISI_SAS_DEBUGFS_REG(ITCT_CLR),
|
|
HISI_SAS_DEBUGFS_REG(IO_SATA_BROKEN_MSG_ADDR_LO),
|
|
HISI_SAS_DEBUGFS_REG(IO_SATA_BROKEN_MSG_ADDR_HI),
|
|
HISI_SAS_DEBUGFS_REG(SATA_INITI_D2H_STORE_ADDR_LO),
|
|
HISI_SAS_DEBUGFS_REG(SATA_INITI_D2H_STORE_ADDR_HI),
|
|
HISI_SAS_DEBUGFS_REG(CFG_MAX_TAG),
|
|
HISI_SAS_DEBUGFS_REG(TRANS_LOCK_ICT_TIME),
|
|
HISI_SAS_DEBUGFS_REG(HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL),
|
|
HISI_SAS_DEBUGFS_REG(HGC_SAS_TXFAIL_RETRY_CTRL),
|
|
HISI_SAS_DEBUGFS_REG(HGC_GET_ITV_TIME),
|
|
HISI_SAS_DEBUGFS_REG(DEVICE_MSG_WORK_MODE),
|
|
HISI_SAS_DEBUGFS_REG(OPENA_WT_CONTI_TIME),
|
|
HISI_SAS_DEBUGFS_REG(I_T_NEXUS_LOSS_TIME),
|
|
HISI_SAS_DEBUGFS_REG(MAX_CON_TIME_LIMIT_TIME),
|
|
HISI_SAS_DEBUGFS_REG(BUS_INACTIVE_LIMIT_TIME),
|
|
HISI_SAS_DEBUGFS_REG(REJECT_TO_OPEN_LIMIT_TIME),
|
|
HISI_SAS_DEBUGFS_REG(CQ_INT_CONVERGE_EN),
|
|
HISI_SAS_DEBUGFS_REG(CFG_AGING_TIME),
|
|
HISI_SAS_DEBUGFS_REG(HGC_DFX_CFG2),
|
|
HISI_SAS_DEBUGFS_REG(CFG_ABT_SET_QUERY_IPTT),
|
|
HISI_SAS_DEBUGFS_REG(CFG_ABT_SET_IPTT_DONE),
|
|
HISI_SAS_DEBUGFS_REG(HGC_IOMB_PROC1_STATUS),
|
|
HISI_SAS_DEBUGFS_REG(CHNL_INT_STATUS),
|
|
HISI_SAS_DEBUGFS_REG(HGC_AXI_FIFO_ERR_INFO),
|
|
HISI_SAS_DEBUGFS_REG(INT_COAL_EN),
|
|
HISI_SAS_DEBUGFS_REG(OQ_INT_COAL_TIME),
|
|
HISI_SAS_DEBUGFS_REG(OQ_INT_COAL_CNT),
|
|
HISI_SAS_DEBUGFS_REG(ENT_INT_COAL_TIME),
|
|
HISI_SAS_DEBUGFS_REG(ENT_INT_COAL_CNT),
|
|
HISI_SAS_DEBUGFS_REG(OQ_INT_SRC),
|
|
HISI_SAS_DEBUGFS_REG(OQ_INT_SRC_MSK),
|
|
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC1),
|
|
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC2),
|
|
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC3),
|
|
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK1),
|
|
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK2),
|
|
HISI_SAS_DEBUGFS_REG(ENT_INT_SRC_MSK3),
|
|
HISI_SAS_DEBUGFS_REG(CHNL_PHYUPDOWN_INT_MSK),
|
|
HISI_SAS_DEBUGFS_REG(CHNL_ENT_INT_MSK),
|
|
HISI_SAS_DEBUGFS_REG(HGC_COM_INT_MSK),
|
|
HISI_SAS_DEBUGFS_REG(SAS_ECC_INTR),
|
|
HISI_SAS_DEBUGFS_REG(SAS_ECC_INTR_MSK),
|
|
HISI_SAS_DEBUGFS_REG(HGC_ERR_STAT_EN),
|
|
HISI_SAS_DEBUGFS_REG(CQE_SEND_CNT),
|
|
HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_DEPTH),
|
|
HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_WR_PTR),
|
|
HISI_SAS_DEBUGFS_REG(DLVRY_Q_0_RD_PTR),
|
|
HISI_SAS_DEBUGFS_REG(HYPER_STREAM_ID_EN_CFG),
|
|
HISI_SAS_DEBUGFS_REG(OQ0_INT_SRC_MSK),
|
|
HISI_SAS_DEBUGFS_REG(COMPL_Q_0_DEPTH),
|
|
HISI_SAS_DEBUGFS_REG(COMPL_Q_0_WR_PTR),
|
|
HISI_SAS_DEBUGFS_REG(COMPL_Q_0_RD_PTR),
|
|
HISI_SAS_DEBUGFS_REG(AWQOS_AWCACHE_CFG),
|
|
HISI_SAS_DEBUGFS_REG(ARQOS_ARCACHE_CFG),
|
|
HISI_SAS_DEBUGFS_REG(HILINK_ERR_DFX),
|
|
HISI_SAS_DEBUGFS_REG(SAS_GPIO_CFG_0),
|
|
HISI_SAS_DEBUGFS_REG(SAS_GPIO_CFG_1),
|
|
HISI_SAS_DEBUGFS_REG(SAS_GPIO_TX_0_1),
|
|
HISI_SAS_DEBUGFS_REG(SAS_CFG_DRIVE_VLD),
|
|
{}
|
|
};
|
|
|
|
static const struct hisi_sas_debugfs_reg debugfs_global_reg = {
|
|
.lu = debugfs_global_reg_lu,
|
|
.count = 0x800,
|
|
};
|
|
|
|
static const struct hisi_sas_debugfs_reg_lu debugfs_axi_reg_lu[] = {
|
|
HISI_SAS_DEBUGFS_REG(AM_CFG_MAX_TRANS),
|
|
HISI_SAS_DEBUGFS_REG(AM_CFG_SINGLE_PORT_MAX_TRANS),
|
|
HISI_SAS_DEBUGFS_REG(AXI_CFG),
|
|
HISI_SAS_DEBUGFS_REG(AM_ROB_ECC_ERR_ADDR),
|
|
{}
|
|
};
|
|
|
|
static const struct hisi_sas_debugfs_reg debugfs_axi_reg = {
|
|
.lu = debugfs_axi_reg_lu,
|
|
.count = 0x61,
|
|
.base_off = AXI_MASTER_CFG_BASE,
|
|
};
|
|
|
|
static const struct hisi_sas_debugfs_reg_lu debugfs_ras_reg_lu[] = {
|
|
HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR0),
|
|
HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR1),
|
|
HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR0_MASK),
|
|
HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR1_MASK),
|
|
HISI_SAS_DEBUGFS_REG(CFG_SAS_RAS_INTR_MASK),
|
|
HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR2),
|
|
HISI_SAS_DEBUGFS_REG(SAS_RAS_INTR2_MASK),
|
|
{}
|
|
};
|
|
|
|
static const struct hisi_sas_debugfs_reg debugfs_ras_reg = {
|
|
.lu = debugfs_ras_reg_lu,
|
|
.count = 0x10,
|
|
.base_off = RAS_BASE,
|
|
};
|
|
|
|
static void debugfs_snapshot_prepare_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct Scsi_Host *shost = hisi_hba->shost;
|
|
|
|
scsi_block_requests(shost);
|
|
wait_cmds_complete_timeout_v3_hw(hisi_hba, 100, 5000);
|
|
|
|
set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
|
|
hisi_sas_sync_cqs(hisi_hba);
|
|
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
|
|
}
|
|
|
|
static void debugfs_snapshot_restore_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct Scsi_Host *shost = hisi_hba->shost;
|
|
|
|
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
|
|
(u32)((1ULL << hisi_hba->queue_count) - 1));
|
|
|
|
clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
|
|
scsi_unblock_requests(shost);
|
|
}
|
|
|
|
static void read_iost_itct_cache_v3_hw(struct hisi_hba *hisi_hba,
|
|
enum hisi_sas_debugfs_cache_type type,
|
|
u32 *cache)
|
|
{
|
|
u32 cache_dw_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ *
|
|
HISI_SAS_IOST_ITCT_CACHE_NUM;
|
|
struct device *dev = hisi_hba->dev;
|
|
u32 *buf = cache;
|
|
u32 i, val;
|
|
|
|
hisi_sas_write32(hisi_hba, TAB_RD_TYPE, type);
|
|
|
|
for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_DW_SZ; i++) {
|
|
val = hisi_sas_read32(hisi_hba, TAB_DFX);
|
|
if (val == 0xffffffff)
|
|
break;
|
|
}
|
|
|
|
if (val != 0xffffffff) {
|
|
dev_err(dev, "Issue occurred in reading IOST/ITCT cache!\n");
|
|
return;
|
|
}
|
|
|
|
memset(buf, 0, cache_dw_size * 4);
|
|
buf[0] = val;
|
|
|
|
for (i = 1; i < cache_dw_size; i++)
|
|
buf[i] = hisi_sas_read32(hisi_hba, TAB_DFX);
|
|
}
|
|
|
|
static void hisi_sas_bist_test_prep_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
u32 reg_val;
|
|
int phy_no = hisi_hba->debugfs_bist_phy_no;
|
|
int i;
|
|
|
|
/* disable PHY */
|
|
hisi_sas_phy_enable(hisi_hba, phy_no, 0);
|
|
|
|
/* update FFE */
|
|
for (i = 0; i < FFE_CFG_MAX; i++)
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, TXDEEMPH_G1 + (i * 0x4),
|
|
hisi_hba->debugfs_bist_ffe[phy_no][i]);
|
|
|
|
/* disable ALOS */
|
|
reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SERDES_CFG);
|
|
reg_val |= CFG_ALOS_CHK_DISABLE_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SERDES_CFG, reg_val);
|
|
}
|
|
|
|
static void hisi_sas_bist_test_restore_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
u32 reg_val;
|
|
int phy_no = hisi_hba->debugfs_bist_phy_no;
|
|
|
|
/* disable loopback */
|
|
reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL);
|
|
reg_val &= ~(CFG_RX_BIST_EN_MSK | CFG_TX_BIST_EN_MSK |
|
|
CFG_BIST_TEST_MSK);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL, reg_val);
|
|
|
|
/* enable ALOS */
|
|
reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SERDES_CFG);
|
|
reg_val &= ~CFG_ALOS_CHK_DISABLE_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SERDES_CFG, reg_val);
|
|
|
|
/* restore the linkrate */
|
|
reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, PROG_PHY_LINK_RATE);
|
|
/* init OOB link rate as 1.5 Gbits */
|
|
reg_val &= ~CFG_PROG_OOB_PHY_LINK_RATE_MSK;
|
|
reg_val |= (0x8 << CFG_PROG_OOB_PHY_LINK_RATE_OFF);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE, reg_val);
|
|
|
|
/* enable PHY */
|
|
hisi_sas_phy_enable(hisi_hba, phy_no, 1);
|
|
}
|
|
|
|
#define SAS_PHY_BIST_CODE_INIT 0x1
|
|
#define SAS_PHY_BIST_CODE1_INIT 0X80
|
|
static int debugfs_set_bist_v3_hw(struct hisi_hba *hisi_hba, bool enable)
|
|
{
|
|
u32 reg_val, mode_tmp;
|
|
u32 linkrate = hisi_hba->debugfs_bist_linkrate;
|
|
u32 phy_no = hisi_hba->debugfs_bist_phy_no;
|
|
u32 *ffe = hisi_hba->debugfs_bist_ffe[phy_no];
|
|
u32 code_mode = hisi_hba->debugfs_bist_code_mode;
|
|
u32 path_mode = hisi_hba->debugfs_bist_mode;
|
|
u32 *fix_code = &hisi_hba->debugfs_bist_fixed_code[0];
|
|
struct device *dev = hisi_hba->dev;
|
|
|
|
dev_info(dev, "BIST info:phy%d link_rate=%d code_mode=%d path_mode=%d ffe={0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x} fixed_code={0x%x, 0x%x}\n",
|
|
phy_no, linkrate, code_mode, path_mode,
|
|
ffe[FFE_SAS_1_5_GBPS], ffe[FFE_SAS_3_0_GBPS],
|
|
ffe[FFE_SAS_6_0_GBPS], ffe[FFE_SAS_12_0_GBPS],
|
|
ffe[FFE_SATA_1_5_GBPS], ffe[FFE_SATA_3_0_GBPS],
|
|
ffe[FFE_SATA_6_0_GBPS], fix_code[FIXED_CODE],
|
|
fix_code[FIXED_CODE_1]);
|
|
mode_tmp = path_mode ? 2 : 1;
|
|
if (enable) {
|
|
/* some preparations before bist test */
|
|
hisi_sas_bist_test_prep_v3_hw(hisi_hba);
|
|
|
|
/* set linkrate of bit test*/
|
|
reg_val = hisi_sas_phy_read32(hisi_hba, phy_no,
|
|
PROG_PHY_LINK_RATE);
|
|
reg_val &= ~CFG_PROG_OOB_PHY_LINK_RATE_MSK;
|
|
reg_val |= (linkrate << CFG_PROG_OOB_PHY_LINK_RATE_OFF);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
|
|
reg_val);
|
|
|
|
/* set code mode of bit test */
|
|
reg_val = hisi_sas_phy_read32(hisi_hba, phy_no,
|
|
SAS_PHY_BIST_CTRL);
|
|
reg_val &= ~(CFG_BIST_MODE_SEL_MSK | CFG_LOOP_TEST_MODE_MSK |
|
|
CFG_RX_BIST_EN_MSK | CFG_TX_BIST_EN_MSK |
|
|
CFG_BIST_TEST_MSK);
|
|
reg_val |= ((code_mode << CFG_BIST_MODE_SEL_OFF) |
|
|
(mode_tmp << CFG_LOOP_TEST_MODE_OFF) |
|
|
CFG_BIST_TEST_MSK);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL,
|
|
reg_val);
|
|
|
|
/* set the bist init value */
|
|
if (code_mode == HISI_SAS_BIST_CODE_MODE_FIXED_DATA) {
|
|
reg_val = hisi_hba->debugfs_bist_fixed_code[0];
|
|
hisi_sas_phy_write32(hisi_hba, phy_no,
|
|
SAS_PHY_BIST_CODE, reg_val);
|
|
|
|
reg_val = hisi_hba->debugfs_bist_fixed_code[1];
|
|
hisi_sas_phy_write32(hisi_hba, phy_no,
|
|
SAS_PHY_BIST_CODE1, reg_val);
|
|
} else {
|
|
hisi_sas_phy_write32(hisi_hba, phy_no,
|
|
SAS_PHY_BIST_CODE,
|
|
SAS_PHY_BIST_CODE_INIT);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no,
|
|
SAS_PHY_BIST_CODE1,
|
|
SAS_PHY_BIST_CODE1_INIT);
|
|
}
|
|
|
|
mdelay(100);
|
|
reg_val |= (CFG_RX_BIST_EN_MSK | CFG_TX_BIST_EN_MSK);
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, SAS_PHY_BIST_CTRL,
|
|
reg_val);
|
|
|
|
/* clear error bit */
|
|
mdelay(100);
|
|
hisi_sas_phy_read32(hisi_hba, phy_no, SAS_BIST_ERR_CNT);
|
|
} else {
|
|
/* disable bist test and recover it */
|
|
hisi_hba->debugfs_bist_cnt += hisi_sas_phy_read32(hisi_hba,
|
|
phy_no, SAS_BIST_ERR_CNT);
|
|
hisi_sas_bist_test_restore_v3_hw(hisi_hba);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void hisi_sas_map_queues(struct Scsi_Host *shost)
|
|
{
|
|
struct hisi_hba *hisi_hba = shost_priv(shost);
|
|
struct blk_mq_queue_map *qmap;
|
|
int i, qoff;
|
|
|
|
for (i = 0, qoff = 0; i < shost->nr_maps; i++) {
|
|
qmap = &shost->tag_set.map[i];
|
|
if (i == HCTX_TYPE_DEFAULT) {
|
|
qmap->nr_queues = hisi_hba->cq_nvecs;
|
|
} else if (i == HCTX_TYPE_POLL) {
|
|
qmap->nr_queues = hisi_hba->iopoll_q_cnt;
|
|
} else {
|
|
qmap->nr_queues = 0;
|
|
continue;
|
|
}
|
|
|
|
/* At least one interrupt hardware queue */
|
|
if (!qmap->nr_queues)
|
|
WARN_ON(i == HCTX_TYPE_DEFAULT);
|
|
qmap->queue_offset = qoff;
|
|
if (i == HCTX_TYPE_POLL)
|
|
blk_mq_map_queues(qmap);
|
|
else
|
|
blk_mq_pci_map_queues(qmap, hisi_hba->pci_dev,
|
|
BASE_VECTORS_V3_HW);
|
|
qoff += qmap->nr_queues;
|
|
}
|
|
}
|
|
|
|
static const struct scsi_host_template sht_v3_hw = {
|
|
LIBSAS_SHT_BASE_NO_SLAVE_INIT
|
|
.device_configure = device_configure_v3_hw,
|
|
.scan_finished = hisi_sas_scan_finished,
|
|
.scan_start = hisi_sas_scan_start,
|
|
.map_queues = hisi_sas_map_queues,
|
|
.sg_tablesize = HISI_SAS_SGE_PAGE_CNT,
|
|
.sg_prot_tablesize = HISI_SAS_SGE_PAGE_CNT,
|
|
.slave_alloc = hisi_sas_slave_alloc,
|
|
.shost_groups = host_v3_hw_groups,
|
|
.sdev_groups = sdev_groups_v3_hw,
|
|
.tag_alloc_policy = BLK_TAG_ALLOC_RR,
|
|
.host_reset = hisi_sas_host_reset,
|
|
.host_tagset = 1,
|
|
.mq_poll = queue_complete_v3_hw,
|
|
};
|
|
|
|
static const struct hisi_sas_hw hisi_sas_v3_hw = {
|
|
.setup_itct = setup_itct_v3_hw,
|
|
.get_wideport_bitmap = get_wideport_bitmap_v3_hw,
|
|
.complete_hdr_size = sizeof(struct hisi_sas_complete_v3_hdr),
|
|
.clear_itct = clear_itct_v3_hw,
|
|
.sl_notify_ssp = sl_notify_ssp_v3_hw,
|
|
.prep_ssp = prep_ssp_v3_hw,
|
|
.prep_smp = prep_smp_v3_hw,
|
|
.prep_stp = prep_ata_v3_hw,
|
|
.prep_abort = prep_abort_v3_hw,
|
|
.start_delivery = start_delivery_v3_hw,
|
|
.phys_init = phys_init_v3_hw,
|
|
.phy_start = start_phy_v3_hw,
|
|
.phy_disable = disable_phy_v3_hw,
|
|
.phy_hard_reset = phy_hard_reset_v3_hw,
|
|
.phy_get_max_linkrate = phy_get_max_linkrate_v3_hw,
|
|
.phy_set_linkrate = phy_set_linkrate_v3_hw,
|
|
.dereg_device = dereg_device_v3_hw,
|
|
.soft_reset = soft_reset_v3_hw,
|
|
.get_phys_state = get_phys_state_v3_hw,
|
|
.get_events = phy_get_events_v3_hw,
|
|
.write_gpio = write_gpio_v3_hw,
|
|
.wait_cmds_complete_timeout = wait_cmds_complete_timeout_v3_hw,
|
|
.debugfs_snapshot_regs = debugfs_snapshot_regs_v3_hw,
|
|
};
|
|
|
|
static struct Scsi_Host *
|
|
hisi_sas_shost_alloc_pci(struct pci_dev *pdev)
|
|
{
|
|
struct Scsi_Host *shost;
|
|
struct hisi_hba *hisi_hba;
|
|
struct device *dev = &pdev->dev;
|
|
|
|
shost = scsi_host_alloc(&sht_v3_hw, sizeof(*hisi_hba));
|
|
if (!shost) {
|
|
dev_err(dev, "shost alloc failed\n");
|
|
return NULL;
|
|
}
|
|
hisi_hba = shost_priv(shost);
|
|
|
|
INIT_WORK(&hisi_hba->rst_work, hisi_sas_rst_work_handler);
|
|
hisi_hba->hw = &hisi_sas_v3_hw;
|
|
hisi_hba->pci_dev = pdev;
|
|
hisi_hba->dev = dev;
|
|
hisi_hba->shost = shost;
|
|
SHOST_TO_SAS_HA(shost) = &hisi_hba->sha;
|
|
|
|
if (prot_mask & ~HISI_SAS_PROT_MASK)
|
|
dev_err(dev, "unsupported protection mask 0x%x, using default (0x0)\n",
|
|
prot_mask);
|
|
else
|
|
hisi_hba->prot_mask = prot_mask;
|
|
|
|
if (hisi_sas_get_fw_info(hisi_hba) < 0)
|
|
goto err_out;
|
|
|
|
if (experimental_iopoll_q_cnt < 0 ||
|
|
experimental_iopoll_q_cnt >= hisi_hba->queue_count)
|
|
dev_err(dev, "iopoll queue count %d cannot exceed or equal 16, using default 0\n",
|
|
experimental_iopoll_q_cnt);
|
|
else
|
|
hisi_hba->iopoll_q_cnt = experimental_iopoll_q_cnt;
|
|
|
|
if (hisi_sas_alloc(hisi_hba)) {
|
|
hisi_sas_free(hisi_hba);
|
|
goto err_out;
|
|
}
|
|
|
|
return shost;
|
|
err_out:
|
|
scsi_host_put(shost);
|
|
dev_err(dev, "shost alloc failed\n");
|
|
return NULL;
|
|
}
|
|
|
|
static void debugfs_snapshot_cq_reg_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int queue_entry_size = hisi_hba->hw->complete_hdr_size;
|
|
int dump_index = hisi_hba->debugfs_dump_index;
|
|
int i;
|
|
|
|
for (i = 0; i < hisi_hba->queue_count; i++)
|
|
memcpy(hisi_hba->debugfs_cq[dump_index][i].complete_hdr,
|
|
hisi_hba->complete_hdr[i],
|
|
HISI_SAS_QUEUE_SLOTS * queue_entry_size);
|
|
}
|
|
|
|
static void debugfs_snapshot_dq_reg_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int queue_entry_size = sizeof(struct hisi_sas_cmd_hdr);
|
|
int dump_index = hisi_hba->debugfs_dump_index;
|
|
int i;
|
|
|
|
for (i = 0; i < hisi_hba->queue_count; i++) {
|
|
struct hisi_sas_cmd_hdr *debugfs_cmd_hdr, *cmd_hdr;
|
|
int j;
|
|
|
|
debugfs_cmd_hdr = hisi_hba->debugfs_dq[dump_index][i].hdr;
|
|
cmd_hdr = hisi_hba->cmd_hdr[i];
|
|
|
|
for (j = 0; j < HISI_SAS_QUEUE_SLOTS; j++)
|
|
memcpy(&debugfs_cmd_hdr[j], &cmd_hdr[j],
|
|
queue_entry_size);
|
|
}
|
|
}
|
|
|
|
static void debugfs_snapshot_port_reg_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int dump_index = hisi_hba->debugfs_dump_index;
|
|
const struct hisi_sas_debugfs_reg *port = &debugfs_port_reg;
|
|
int i, phy_cnt;
|
|
u32 offset;
|
|
u32 *databuf;
|
|
|
|
for (phy_cnt = 0; phy_cnt < hisi_hba->n_phy; phy_cnt++) {
|
|
databuf = hisi_hba->debugfs_port_reg[dump_index][phy_cnt].data;
|
|
for (i = 0; i < port->count; i++, databuf++) {
|
|
offset = port->base_off + 4 * i;
|
|
*databuf = hisi_sas_phy_read32(hisi_hba, phy_cnt,
|
|
offset);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void debugfs_snapshot_global_reg_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int dump_index = hisi_hba->debugfs_dump_index;
|
|
u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_GLOBAL].data;
|
|
int i;
|
|
|
|
for (i = 0; i < debugfs_global_reg.count; i++, databuf++)
|
|
*databuf = hisi_sas_read32(hisi_hba, 4 * i);
|
|
}
|
|
|
|
static void debugfs_snapshot_axi_reg_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int dump_index = hisi_hba->debugfs_dump_index;
|
|
u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_AXI].data;
|
|
const struct hisi_sas_debugfs_reg *axi = &debugfs_axi_reg;
|
|
int i;
|
|
|
|
for (i = 0; i < axi->count; i++, databuf++)
|
|
*databuf = hisi_sas_read32(hisi_hba, 4 * i + axi->base_off);
|
|
}
|
|
|
|
static void debugfs_snapshot_ras_reg_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int dump_index = hisi_hba->debugfs_dump_index;
|
|
u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_RAS].data;
|
|
const struct hisi_sas_debugfs_reg *ras = &debugfs_ras_reg;
|
|
int i;
|
|
|
|
for (i = 0; i < ras->count; i++, databuf++)
|
|
*databuf = hisi_sas_read32(hisi_hba, 4 * i + ras->base_off);
|
|
}
|
|
|
|
static void debugfs_snapshot_itct_reg_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int dump_index = hisi_hba->debugfs_dump_index;
|
|
void *cachebuf = hisi_hba->debugfs_itct_cache[dump_index].cache;
|
|
void *databuf = hisi_hba->debugfs_itct[dump_index].itct;
|
|
struct hisi_sas_itct *itct;
|
|
int i;
|
|
|
|
read_iost_itct_cache_v3_hw(hisi_hba, HISI_SAS_ITCT_CACHE, cachebuf);
|
|
|
|
itct = hisi_hba->itct;
|
|
|
|
for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, itct++) {
|
|
memcpy(databuf, itct, sizeof(struct hisi_sas_itct));
|
|
databuf += sizeof(struct hisi_sas_itct);
|
|
}
|
|
}
|
|
|
|
static void debugfs_snapshot_iost_reg_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int dump_index = hisi_hba->debugfs_dump_index;
|
|
int max_command_entries = HISI_SAS_MAX_COMMANDS;
|
|
void *cachebuf = hisi_hba->debugfs_iost_cache[dump_index].cache;
|
|
void *databuf = hisi_hba->debugfs_iost[dump_index].iost;
|
|
struct hisi_sas_iost *iost;
|
|
int i;
|
|
|
|
read_iost_itct_cache_v3_hw(hisi_hba, HISI_SAS_IOST_CACHE, cachebuf);
|
|
|
|
iost = hisi_hba->iost;
|
|
|
|
for (i = 0; i < max_command_entries; i++, iost++) {
|
|
memcpy(databuf, iost, sizeof(struct hisi_sas_iost));
|
|
databuf += sizeof(struct hisi_sas_iost);
|
|
}
|
|
}
|
|
|
|
static const char *
|
|
debugfs_to_reg_name_v3_hw(int off, int base_off,
|
|
const struct hisi_sas_debugfs_reg_lu *lu)
|
|
{
|
|
for (; lu->name; lu++) {
|
|
if (off == lu->off - base_off)
|
|
return lu->name;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void debugfs_print_reg_v3_hw(u32 *regs_val, struct seq_file *s,
|
|
const struct hisi_sas_debugfs_reg *reg)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < reg->count; i++) {
|
|
int off = i * 4;
|
|
const char *name;
|
|
|
|
name = debugfs_to_reg_name_v3_hw(off, reg->base_off,
|
|
reg->lu);
|
|
|
|
if (name)
|
|
seq_printf(s, "0x%08x 0x%08x %s\n", off,
|
|
regs_val[i], name);
|
|
else
|
|
seq_printf(s, "0x%08x 0x%08x\n", off,
|
|
regs_val[i]);
|
|
}
|
|
}
|
|
|
|
static int debugfs_global_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_debugfs_regs *global = s->private;
|
|
|
|
debugfs_print_reg_v3_hw(global->data, s,
|
|
&debugfs_global_reg);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_global_v3_hw);
|
|
|
|
static int debugfs_axi_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_debugfs_regs *axi = s->private;
|
|
|
|
debugfs_print_reg_v3_hw(axi->data, s,
|
|
&debugfs_axi_reg);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_axi_v3_hw);
|
|
|
|
static int debugfs_ras_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_debugfs_regs *ras = s->private;
|
|
|
|
debugfs_print_reg_v3_hw(ras->data, s,
|
|
&debugfs_ras_reg);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_ras_v3_hw);
|
|
|
|
static int debugfs_port_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_debugfs_port *port = s->private;
|
|
const struct hisi_sas_debugfs_reg *reg_port = &debugfs_port_reg;
|
|
|
|
debugfs_print_reg_v3_hw(port->data, s, reg_port);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_port_v3_hw);
|
|
|
|
static void debugfs_show_row_64_v3_hw(struct seq_file *s, int index,
|
|
int sz, __le64 *ptr)
|
|
{
|
|
int i;
|
|
|
|
/* completion header size not fixed per HW version */
|
|
seq_printf(s, "index %04d:\n\t", index);
|
|
for (i = 1; i <= sz / 8; i++, ptr++) {
|
|
seq_printf(s, " 0x%016llx", le64_to_cpu(*ptr));
|
|
if (!(i % 2))
|
|
seq_puts(s, "\n\t");
|
|
}
|
|
|
|
seq_puts(s, "\n");
|
|
}
|
|
|
|
static void debugfs_show_row_32_v3_hw(struct seq_file *s, int index,
|
|
int sz, __le32 *ptr)
|
|
{
|
|
int i;
|
|
|
|
/* completion header size not fixed per HW version */
|
|
seq_printf(s, "index %04d:\n\t", index);
|
|
for (i = 1; i <= sz / 4; i++, ptr++) {
|
|
seq_printf(s, " 0x%08x", le32_to_cpu(*ptr));
|
|
if (!(i % 4))
|
|
seq_puts(s, "\n\t");
|
|
}
|
|
seq_puts(s, "\n");
|
|
}
|
|
|
|
static void debugfs_cq_show_slot_v3_hw(struct seq_file *s, int slot,
|
|
struct hisi_sas_debugfs_cq *debugfs_cq)
|
|
{
|
|
struct hisi_sas_cq *cq = debugfs_cq->cq;
|
|
struct hisi_hba *hisi_hba = cq->hisi_hba;
|
|
__le32 *complete_hdr = debugfs_cq->complete_hdr +
|
|
(hisi_hba->hw->complete_hdr_size * slot);
|
|
|
|
debugfs_show_row_32_v3_hw(s, slot,
|
|
hisi_hba->hw->complete_hdr_size,
|
|
complete_hdr);
|
|
}
|
|
|
|
static int debugfs_cq_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_debugfs_cq *debugfs_cq = s->private;
|
|
int slot;
|
|
|
|
for (slot = 0; slot < HISI_SAS_QUEUE_SLOTS; slot++)
|
|
debugfs_cq_show_slot_v3_hw(s, slot, debugfs_cq);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_cq_v3_hw);
|
|
|
|
static void debugfs_dq_show_slot_v3_hw(struct seq_file *s, int slot,
|
|
void *dq_ptr)
|
|
{
|
|
struct hisi_sas_debugfs_dq *debugfs_dq = dq_ptr;
|
|
void *cmd_queue = debugfs_dq->hdr;
|
|
__le32 *cmd_hdr = cmd_queue +
|
|
sizeof(struct hisi_sas_cmd_hdr) * slot;
|
|
|
|
debugfs_show_row_32_v3_hw(s, slot, sizeof(struct hisi_sas_cmd_hdr),
|
|
cmd_hdr);
|
|
}
|
|
|
|
static int debugfs_dq_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
int slot;
|
|
|
|
for (slot = 0; slot < HISI_SAS_QUEUE_SLOTS; slot++)
|
|
debugfs_dq_show_slot_v3_hw(s, slot, s->private);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_dq_v3_hw);
|
|
|
|
static int debugfs_iost_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_debugfs_iost *debugfs_iost = s->private;
|
|
struct hisi_sas_iost *iost = debugfs_iost->iost;
|
|
int i, max_command_entries = HISI_SAS_MAX_COMMANDS;
|
|
|
|
for (i = 0; i < max_command_entries; i++, iost++) {
|
|
__le64 *data = &iost->qw0;
|
|
|
|
debugfs_show_row_64_v3_hw(s, i, sizeof(*iost), data);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_iost_v3_hw);
|
|
|
|
static int debugfs_iost_cache_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_debugfs_iost_cache *debugfs_iost_cache = s->private;
|
|
struct hisi_sas_iost_itct_cache *iost_cache =
|
|
debugfs_iost_cache->cache;
|
|
u32 cache_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ * 4;
|
|
int i, tab_idx;
|
|
__le64 *iost;
|
|
|
|
for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_NUM; i++, iost_cache++) {
|
|
/*
|
|
* Data struct of IOST cache:
|
|
* Data[1]: BIT0~15: Table index
|
|
* Bit16: Valid mask
|
|
* Data[2]~[9]: IOST table
|
|
*/
|
|
tab_idx = (iost_cache->data[1] & 0xffff);
|
|
iost = (__le64 *)iost_cache;
|
|
|
|
debugfs_show_row_64_v3_hw(s, tab_idx, cache_size, iost);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_iost_cache_v3_hw);
|
|
|
|
static int debugfs_itct_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
int i;
|
|
struct hisi_sas_debugfs_itct *debugfs_itct = s->private;
|
|
struct hisi_sas_itct *itct = debugfs_itct->itct;
|
|
|
|
for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, itct++) {
|
|
__le64 *data = &itct->qw0;
|
|
|
|
debugfs_show_row_64_v3_hw(s, i, sizeof(*itct), data);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_itct_v3_hw);
|
|
|
|
static int debugfs_itct_cache_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_debugfs_itct_cache *debugfs_itct_cache = s->private;
|
|
struct hisi_sas_iost_itct_cache *itct_cache =
|
|
debugfs_itct_cache->cache;
|
|
u32 cache_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ * 4;
|
|
int i, tab_idx;
|
|
__le64 *itct;
|
|
|
|
for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_NUM; i++, itct_cache++) {
|
|
/*
|
|
* Data struct of ITCT cache:
|
|
* Data[1]: BIT0~15: Table index
|
|
* Bit16: Valid mask
|
|
* Data[2]~[9]: ITCT table
|
|
*/
|
|
tab_idx = itct_cache->data[1] & 0xffff;
|
|
itct = (__le64 *)itct_cache;
|
|
|
|
debugfs_show_row_64_v3_hw(s, tab_idx, cache_size, itct);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_itct_cache_v3_hw);
|
|
|
|
static void debugfs_create_files_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
u64 *debugfs_timestamp;
|
|
int dump_index = hisi_hba->debugfs_dump_index;
|
|
struct dentry *dump_dentry;
|
|
struct dentry *dentry;
|
|
char name[256];
|
|
int p;
|
|
int c;
|
|
int d;
|
|
|
|
snprintf(name, 256, "%d", dump_index);
|
|
|
|
dump_dentry = debugfs_create_dir(name, hisi_hba->debugfs_dump_dentry);
|
|
|
|
debugfs_timestamp = &hisi_hba->debugfs_timestamp[dump_index];
|
|
|
|
debugfs_create_u64("timestamp", 0400, dump_dentry,
|
|
debugfs_timestamp);
|
|
|
|
debugfs_create_file("global", 0400, dump_dentry,
|
|
&hisi_hba->debugfs_regs[dump_index][DEBUGFS_GLOBAL],
|
|
&debugfs_global_v3_hw_fops);
|
|
|
|
/* Create port dir and files */
|
|
dentry = debugfs_create_dir("port", dump_dentry);
|
|
for (p = 0; p < hisi_hba->n_phy; p++) {
|
|
snprintf(name, 256, "%d", p);
|
|
|
|
debugfs_create_file(name, 0400, dentry,
|
|
&hisi_hba->debugfs_port_reg[dump_index][p],
|
|
&debugfs_port_v3_hw_fops);
|
|
}
|
|
|
|
/* Create CQ dir and files */
|
|
dentry = debugfs_create_dir("cq", dump_dentry);
|
|
for (c = 0; c < hisi_hba->queue_count; c++) {
|
|
snprintf(name, 256, "%d", c);
|
|
|
|
debugfs_create_file(name, 0400, dentry,
|
|
&hisi_hba->debugfs_cq[dump_index][c],
|
|
&debugfs_cq_v3_hw_fops);
|
|
}
|
|
|
|
/* Create DQ dir and files */
|
|
dentry = debugfs_create_dir("dq", dump_dentry);
|
|
for (d = 0; d < hisi_hba->queue_count; d++) {
|
|
snprintf(name, 256, "%d", d);
|
|
|
|
debugfs_create_file(name, 0400, dentry,
|
|
&hisi_hba->debugfs_dq[dump_index][d],
|
|
&debugfs_dq_v3_hw_fops);
|
|
}
|
|
|
|
debugfs_create_file("iost", 0400, dump_dentry,
|
|
&hisi_hba->debugfs_iost[dump_index],
|
|
&debugfs_iost_v3_hw_fops);
|
|
|
|
debugfs_create_file("iost_cache", 0400, dump_dentry,
|
|
&hisi_hba->debugfs_iost_cache[dump_index],
|
|
&debugfs_iost_cache_v3_hw_fops);
|
|
|
|
debugfs_create_file("itct", 0400, dump_dentry,
|
|
&hisi_hba->debugfs_itct[dump_index],
|
|
&debugfs_itct_v3_hw_fops);
|
|
|
|
debugfs_create_file("itct_cache", 0400, dump_dentry,
|
|
&hisi_hba->debugfs_itct_cache[dump_index],
|
|
&debugfs_itct_cache_v3_hw_fops);
|
|
|
|
debugfs_create_file("axi", 0400, dump_dentry,
|
|
&hisi_hba->debugfs_regs[dump_index][DEBUGFS_AXI],
|
|
&debugfs_axi_v3_hw_fops);
|
|
|
|
debugfs_create_file("ras", 0400, dump_dentry,
|
|
&hisi_hba->debugfs_regs[dump_index][DEBUGFS_RAS],
|
|
&debugfs_ras_v3_hw_fops);
|
|
}
|
|
|
|
static ssize_t debugfs_trigger_dump_v3_hw_write(struct file *file,
|
|
const char __user *user_buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct hisi_hba *hisi_hba = file->f_inode->i_private;
|
|
char buf[8];
|
|
|
|
if (count > 8)
|
|
return -EFAULT;
|
|
|
|
if (copy_from_user(buf, user_buf, count))
|
|
return -EFAULT;
|
|
|
|
if (buf[0] != '1')
|
|
return -EFAULT;
|
|
|
|
down(&hisi_hba->sem);
|
|
if (debugfs_snapshot_regs_v3_hw(hisi_hba)) {
|
|
up(&hisi_hba->sem);
|
|
return -EFAULT;
|
|
}
|
|
up(&hisi_hba->sem);
|
|
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations debugfs_trigger_dump_v3_hw_fops = {
|
|
.write = &debugfs_trigger_dump_v3_hw_write,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
enum {
|
|
HISI_SAS_BIST_LOOPBACK_MODE_DIGITAL = 0,
|
|
HISI_SAS_BIST_LOOPBACK_MODE_SERDES,
|
|
HISI_SAS_BIST_LOOPBACK_MODE_REMOTE,
|
|
};
|
|
|
|
static const struct {
|
|
int value;
|
|
char *name;
|
|
} debugfs_loop_linkrate_v3_hw[] = {
|
|
{ SAS_LINK_RATE_1_5_GBPS, "1.5 Gbit" },
|
|
{ SAS_LINK_RATE_3_0_GBPS, "3.0 Gbit" },
|
|
{ SAS_LINK_RATE_6_0_GBPS, "6.0 Gbit" },
|
|
{ SAS_LINK_RATE_12_0_GBPS, "12.0 Gbit" },
|
|
};
|
|
|
|
static int debugfs_bist_linkrate_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_hba *hisi_hba = s->private;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(debugfs_loop_linkrate_v3_hw); i++) {
|
|
int match = (hisi_hba->debugfs_bist_linkrate ==
|
|
debugfs_loop_linkrate_v3_hw[i].value);
|
|
|
|
seq_printf(s, "%s%s%s ", match ? "[" : "",
|
|
debugfs_loop_linkrate_v3_hw[i].name,
|
|
match ? "]" : "");
|
|
}
|
|
seq_puts(s, "\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t debugfs_bist_linkrate_v3_hw_write(struct file *filp,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *m = filp->private_data;
|
|
struct hisi_hba *hisi_hba = m->private;
|
|
char kbuf[16] = {}, *pkbuf;
|
|
bool found = false;
|
|
int i;
|
|
|
|
if (hisi_hba->debugfs_bist_enable)
|
|
return -EPERM;
|
|
|
|
if (count >= sizeof(kbuf))
|
|
return -EOVERFLOW;
|
|
|
|
if (copy_from_user(kbuf, buf, count))
|
|
return -EINVAL;
|
|
|
|
pkbuf = strstrip(kbuf);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(debugfs_loop_linkrate_v3_hw); i++) {
|
|
if (!strncmp(debugfs_loop_linkrate_v3_hw[i].name,
|
|
pkbuf, 16)) {
|
|
hisi_hba->debugfs_bist_linkrate =
|
|
debugfs_loop_linkrate_v3_hw[i].value;
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
return -EINVAL;
|
|
|
|
return count;
|
|
}
|
|
DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_linkrate_v3_hw);
|
|
|
|
static const struct {
|
|
int value;
|
|
char *name;
|
|
} debugfs_loop_code_mode_v3_hw[] = {
|
|
{ HISI_SAS_BIST_CODE_MODE_PRBS7, "PRBS7" },
|
|
{ HISI_SAS_BIST_CODE_MODE_PRBS23, "PRBS23" },
|
|
{ HISI_SAS_BIST_CODE_MODE_PRBS31, "PRBS31" },
|
|
{ HISI_SAS_BIST_CODE_MODE_JTPAT, "JTPAT" },
|
|
{ HISI_SAS_BIST_CODE_MODE_CJTPAT, "CJTPAT" },
|
|
{ HISI_SAS_BIST_CODE_MODE_SCRAMBED_0, "SCRAMBED_0" },
|
|
{ HISI_SAS_BIST_CODE_MODE_TRAIN, "TRAIN" },
|
|
{ HISI_SAS_BIST_CODE_MODE_TRAIN_DONE, "TRAIN_DONE" },
|
|
{ HISI_SAS_BIST_CODE_MODE_HFTP, "HFTP" },
|
|
{ HISI_SAS_BIST_CODE_MODE_MFTP, "MFTP" },
|
|
{ HISI_SAS_BIST_CODE_MODE_LFTP, "LFTP" },
|
|
{ HISI_SAS_BIST_CODE_MODE_FIXED_DATA, "FIXED_DATA" },
|
|
};
|
|
|
|
static int debugfs_bist_code_mode_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_hba *hisi_hba = s->private;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(debugfs_loop_code_mode_v3_hw); i++) {
|
|
int match = (hisi_hba->debugfs_bist_code_mode ==
|
|
debugfs_loop_code_mode_v3_hw[i].value);
|
|
|
|
seq_printf(s, "%s%s%s ", match ? "[" : "",
|
|
debugfs_loop_code_mode_v3_hw[i].name,
|
|
match ? "]" : "");
|
|
}
|
|
seq_puts(s, "\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t debugfs_bist_code_mode_v3_hw_write(struct file *filp,
|
|
const char __user *buf,
|
|
size_t count,
|
|
loff_t *ppos)
|
|
{
|
|
struct seq_file *m = filp->private_data;
|
|
struct hisi_hba *hisi_hba = m->private;
|
|
char kbuf[16] = {}, *pkbuf;
|
|
bool found = false;
|
|
int i;
|
|
|
|
if (hisi_hba->debugfs_bist_enable)
|
|
return -EPERM;
|
|
|
|
if (count >= sizeof(kbuf))
|
|
return -EINVAL;
|
|
|
|
if (copy_from_user(kbuf, buf, count))
|
|
return -EOVERFLOW;
|
|
|
|
pkbuf = strstrip(kbuf);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(debugfs_loop_code_mode_v3_hw); i++) {
|
|
if (!strncmp(debugfs_loop_code_mode_v3_hw[i].name,
|
|
pkbuf, 16)) {
|
|
hisi_hba->debugfs_bist_code_mode =
|
|
debugfs_loop_code_mode_v3_hw[i].value;
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
return -EINVAL;
|
|
|
|
return count;
|
|
}
|
|
DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_code_mode_v3_hw);
|
|
|
|
static ssize_t debugfs_bist_phy_v3_hw_write(struct file *filp,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *m = filp->private_data;
|
|
struct hisi_hba *hisi_hba = m->private;
|
|
unsigned int phy_no;
|
|
int val;
|
|
|
|
if (hisi_hba->debugfs_bist_enable)
|
|
return -EPERM;
|
|
|
|
val = kstrtouint_from_user(buf, count, 0, &phy_no);
|
|
if (val)
|
|
return val;
|
|
|
|
if (phy_no >= hisi_hba->n_phy)
|
|
return -EINVAL;
|
|
|
|
hisi_hba->debugfs_bist_phy_no = phy_no;
|
|
|
|
return count;
|
|
}
|
|
|
|
static int debugfs_bist_phy_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_hba *hisi_hba = s->private;
|
|
|
|
seq_printf(s, "%d\n", hisi_hba->debugfs_bist_phy_no);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_phy_v3_hw);
|
|
|
|
static ssize_t debugfs_bist_cnt_v3_hw_write(struct file *filp,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *m = filp->private_data;
|
|
struct hisi_hba *hisi_hba = m->private;
|
|
unsigned int cnt;
|
|
int val;
|
|
|
|
if (hisi_hba->debugfs_bist_enable)
|
|
return -EPERM;
|
|
|
|
val = kstrtouint_from_user(buf, count, 0, &cnt);
|
|
if (val)
|
|
return val;
|
|
|
|
if (cnt)
|
|
return -EINVAL;
|
|
|
|
hisi_hba->debugfs_bist_cnt = 0;
|
|
return count;
|
|
}
|
|
|
|
static int debugfs_bist_cnt_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_hba *hisi_hba = s->private;
|
|
|
|
seq_printf(s, "%u\n", hisi_hba->debugfs_bist_cnt);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_cnt_v3_hw);
|
|
|
|
static const struct {
|
|
int value;
|
|
char *name;
|
|
} debugfs_loop_modes_v3_hw[] = {
|
|
{ HISI_SAS_BIST_LOOPBACK_MODE_DIGITAL, "digital" },
|
|
{ HISI_SAS_BIST_LOOPBACK_MODE_SERDES, "serdes" },
|
|
{ HISI_SAS_BIST_LOOPBACK_MODE_REMOTE, "remote" },
|
|
};
|
|
|
|
static int debugfs_bist_mode_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_hba *hisi_hba = s->private;
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(debugfs_loop_modes_v3_hw); i++) {
|
|
int match = (hisi_hba->debugfs_bist_mode ==
|
|
debugfs_loop_modes_v3_hw[i].value);
|
|
|
|
seq_printf(s, "%s%s%s ", match ? "[" : "",
|
|
debugfs_loop_modes_v3_hw[i].name,
|
|
match ? "]" : "");
|
|
}
|
|
seq_puts(s, "\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t debugfs_bist_mode_v3_hw_write(struct file *filp,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *m = filp->private_data;
|
|
struct hisi_hba *hisi_hba = m->private;
|
|
char kbuf[16] = {}, *pkbuf;
|
|
bool found = false;
|
|
int i;
|
|
|
|
if (hisi_hba->debugfs_bist_enable)
|
|
return -EPERM;
|
|
|
|
if (count >= sizeof(kbuf))
|
|
return -EINVAL;
|
|
|
|
if (copy_from_user(kbuf, buf, count))
|
|
return -EOVERFLOW;
|
|
|
|
pkbuf = strstrip(kbuf);
|
|
|
|
for (i = 0; i < ARRAY_SIZE(debugfs_loop_modes_v3_hw); i++) {
|
|
if (!strncmp(debugfs_loop_modes_v3_hw[i].name, pkbuf, 16)) {
|
|
hisi_hba->debugfs_bist_mode =
|
|
debugfs_loop_modes_v3_hw[i].value;
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
return -EINVAL;
|
|
|
|
return count;
|
|
}
|
|
DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_mode_v3_hw);
|
|
|
|
static ssize_t debugfs_bist_enable_v3_hw_write(struct file *filp,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *m = filp->private_data;
|
|
struct hisi_hba *hisi_hba = m->private;
|
|
unsigned int enable;
|
|
int val;
|
|
|
|
val = kstrtouint_from_user(buf, count, 0, &enable);
|
|
if (val)
|
|
return val;
|
|
|
|
if (enable > 1)
|
|
return -EINVAL;
|
|
|
|
if (enable == hisi_hba->debugfs_bist_enable)
|
|
return count;
|
|
|
|
val = debugfs_set_bist_v3_hw(hisi_hba, enable);
|
|
if (val < 0)
|
|
return val;
|
|
|
|
hisi_hba->debugfs_bist_enable = enable;
|
|
|
|
return count;
|
|
}
|
|
|
|
static int debugfs_bist_enable_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_hba *hisi_hba = s->private;
|
|
|
|
seq_printf(s, "%d\n", hisi_hba->debugfs_bist_enable);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_enable_v3_hw);
|
|
|
|
static const struct {
|
|
char *name;
|
|
} debugfs_ffe_name_v3_hw[FFE_CFG_MAX] = {
|
|
{ "SAS_1_5_GBPS" },
|
|
{ "SAS_3_0_GBPS" },
|
|
{ "SAS_6_0_GBPS" },
|
|
{ "SAS_12_0_GBPS" },
|
|
{ "FFE_RESV" },
|
|
{ "SATA_1_5_GBPS" },
|
|
{ "SATA_3_0_GBPS" },
|
|
{ "SATA_6_0_GBPS" },
|
|
};
|
|
|
|
static ssize_t debugfs_v3_hw_write(struct file *filp,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *m = filp->private_data;
|
|
u32 *val = m->private;
|
|
int res;
|
|
|
|
res = kstrtouint_from_user(buf, count, 0, val);
|
|
if (res)
|
|
return res;
|
|
|
|
return count;
|
|
}
|
|
|
|
static int debugfs_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
u32 *val = s->private;
|
|
|
|
seq_printf(s, "0x%x\n", *val);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_v3_hw);
|
|
|
|
static ssize_t debugfs_phy_down_cnt_v3_hw_write(struct file *filp,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct seq_file *s = filp->private_data;
|
|
struct hisi_sas_phy *phy = s->private;
|
|
unsigned int set_val;
|
|
int res;
|
|
|
|
res = kstrtouint_from_user(buf, count, 0, &set_val);
|
|
if (res)
|
|
return res;
|
|
|
|
if (set_val > 0)
|
|
return -EINVAL;
|
|
|
|
atomic_set(&phy->down_cnt, 0);
|
|
|
|
return count;
|
|
}
|
|
|
|
static int debugfs_phy_down_cnt_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_phy *phy = s->private;
|
|
|
|
seq_printf(s, "%d\n", atomic_read(&phy->down_cnt));
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_phy_down_cnt_v3_hw);
|
|
|
|
enum fifo_dump_mode_v3_hw {
|
|
FIFO_DUMP_FORVER = (1U << 0),
|
|
FIFO_DUMP_AFTER_TRIGGER = (1U << 1),
|
|
FIFO_DUMP_UNTILL_TRIGGER = (1U << 2),
|
|
};
|
|
|
|
enum fifo_trigger_mode_v3_hw {
|
|
FIFO_TRIGGER_EDGE = (1U << 0),
|
|
FIFO_TRIGGER_SAME_LEVEL = (1U << 1),
|
|
FIFO_TRIGGER_DIFF_LEVEL = (1U << 2),
|
|
};
|
|
|
|
static int debugfs_is_fifo_config_valid_v3_hw(struct hisi_sas_phy *phy)
|
|
{
|
|
struct hisi_hba *hisi_hba = phy->hisi_hba;
|
|
|
|
if (phy->fifo.signal_sel > 0xf) {
|
|
dev_info(hisi_hba->dev, "Invalid signal select: %u\n",
|
|
phy->fifo.signal_sel);
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (phy->fifo.dump_mode) {
|
|
case FIFO_DUMP_FORVER:
|
|
case FIFO_DUMP_AFTER_TRIGGER:
|
|
case FIFO_DUMP_UNTILL_TRIGGER:
|
|
break;
|
|
default:
|
|
dev_info(hisi_hba->dev, "Invalid dump mode: %u\n",
|
|
phy->fifo.dump_mode);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* when FIFO_DUMP_FORVER, no need to check trigger_mode */
|
|
if (phy->fifo.dump_mode == FIFO_DUMP_FORVER)
|
|
return 0;
|
|
|
|
switch (phy->fifo.trigger_mode) {
|
|
case FIFO_TRIGGER_EDGE:
|
|
case FIFO_TRIGGER_SAME_LEVEL:
|
|
case FIFO_TRIGGER_DIFF_LEVEL:
|
|
break;
|
|
default:
|
|
dev_info(hisi_hba->dev, "Invalid trigger mode: %u\n",
|
|
phy->fifo.trigger_mode);
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int debugfs_update_fifo_config_v3_hw(struct hisi_sas_phy *phy)
|
|
{
|
|
u32 trigger_mode = phy->fifo.trigger_mode;
|
|
u32 signal_sel = phy->fifo.signal_sel;
|
|
u32 dump_mode = phy->fifo.dump_mode;
|
|
struct hisi_hba *hisi_hba = phy->hisi_hba;
|
|
int phy_no = phy->sas_phy.id;
|
|
u32 reg_val;
|
|
int res;
|
|
|
|
/* Check the validity of trace FIFO configuration */
|
|
res = debugfs_is_fifo_config_valid_v3_hw(phy);
|
|
if (res)
|
|
return res;
|
|
|
|
reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
|
|
/* Disable trace FIFO before update configuration */
|
|
reg_val |= DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
|
|
|
|
/* Update trace FIFO configuration */
|
|
reg_val &= ~(DFX_FIFO_CTRL_DUMP_MODE_MSK |
|
|
DFX_FIFO_CTRL_SIGNAL_SEL_MSK |
|
|
DFX_FIFO_CTRL_TRIGGER_MODE_MSK);
|
|
|
|
reg_val |= ((trigger_mode << DFX_FIFO_CTRL_TRIGGER_MODE_OFF) |
|
|
(dump_mode << DFX_FIFO_CTRL_DUMP_MODE_OFF) |
|
|
(signal_sel << DFX_FIFO_CTRL_SIGNAL_SEL_OFF));
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, reg_val);
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_DUMP_MSK,
|
|
phy->fifo.dump_msk);
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_TRIGGER,
|
|
phy->fifo.trigger);
|
|
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_TRIGGER_MSK,
|
|
phy->fifo.trigger_msk);
|
|
|
|
/* Enable trace FIFO after updated configuration */
|
|
reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
|
|
reg_val &= ~DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, reg_val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static ssize_t debugfs_fifo_update_cfg_v3_hw_write(struct file *filp,
|
|
const char __user *buf,
|
|
size_t count, loff_t *ppos)
|
|
{
|
|
struct hisi_sas_phy *phy = filp->private_data;
|
|
bool update;
|
|
int val;
|
|
|
|
val = kstrtobool_from_user(buf, count, &update);
|
|
if (val)
|
|
return val;
|
|
|
|
if (update != 1)
|
|
return -EINVAL;
|
|
|
|
val = debugfs_update_fifo_config_v3_hw(phy);
|
|
if (val)
|
|
return val;
|
|
|
|
return count;
|
|
}
|
|
|
|
static const struct file_operations debugfs_fifo_update_cfg_v3_hw_fops = {
|
|
.open = simple_open,
|
|
.write = debugfs_fifo_update_cfg_v3_hw_write,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static void debugfs_read_fifo_data_v3_hw(struct hisi_sas_phy *phy)
|
|
{
|
|
struct hisi_hba *hisi_hba = phy->hisi_hba;
|
|
u32 *buf = phy->fifo.rd_data;
|
|
int phy_no = phy->sas_phy.id;
|
|
u32 val;
|
|
int i;
|
|
|
|
memset(buf, 0, sizeof(phy->fifo.rd_data));
|
|
|
|
/* Disable trace FIFO before read data */
|
|
val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
|
|
val |= DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, val);
|
|
|
|
for (i = 0; i < HISI_SAS_FIFO_DATA_DW_SIZE; i++) {
|
|
val = hisi_sas_phy_read32(hisi_hba, phy_no,
|
|
DFX_FIFO_RD_DATA);
|
|
buf[i] = val;
|
|
}
|
|
|
|
/* Enable trace FIFO after read data */
|
|
val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
|
|
val &= ~DFX_FIFO_CTRL_DUMP_DISABLE_MSK;
|
|
hisi_sas_phy_write32(hisi_hba, phy_no, DFX_FIFO_CTRL, val);
|
|
}
|
|
|
|
static int debugfs_fifo_data_v3_hw_show(struct seq_file *s, void *p)
|
|
{
|
|
struct hisi_sas_phy *phy = s->private;
|
|
|
|
debugfs_read_fifo_data_v3_hw(phy);
|
|
|
|
debugfs_show_row_32_v3_hw(s, 0, HISI_SAS_FIFO_DATA_DW_SIZE * 4,
|
|
(__le32 *)phy->fifo.rd_data);
|
|
|
|
return 0;
|
|
}
|
|
DEFINE_SHOW_ATTRIBUTE(debugfs_fifo_data_v3_hw);
|
|
|
|
static void debugfs_fifo_init_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int phy_no;
|
|
|
|
hisi_hba->debugfs_fifo_dentry =
|
|
debugfs_create_dir("fifo", hisi_hba->debugfs_dir);
|
|
|
|
for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
|
|
struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
|
|
struct dentry *port_dentry;
|
|
char name[256];
|
|
u32 val;
|
|
|
|
/* get default configuration for trace FIFO */
|
|
val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
|
|
val &= DFX_FIFO_CTRL_DUMP_MODE_MSK;
|
|
val >>= DFX_FIFO_CTRL_DUMP_MODE_OFF;
|
|
phy->fifo.dump_mode = val;
|
|
|
|
val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
|
|
val &= DFX_FIFO_CTRL_TRIGGER_MODE_MSK;
|
|
val >>= DFX_FIFO_CTRL_TRIGGER_MODE_OFF;
|
|
phy->fifo.trigger_mode = val;
|
|
|
|
val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_CTRL);
|
|
val &= DFX_FIFO_CTRL_SIGNAL_SEL_MSK;
|
|
val >>= DFX_FIFO_CTRL_SIGNAL_SEL_OFF;
|
|
phy->fifo.signal_sel = val;
|
|
|
|
val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_DUMP_MSK);
|
|
phy->fifo.dump_msk = val;
|
|
|
|
val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_TRIGGER);
|
|
phy->fifo.trigger = val;
|
|
val = hisi_sas_phy_read32(hisi_hba, phy_no, DFX_FIFO_TRIGGER_MSK);
|
|
phy->fifo.trigger_msk = val;
|
|
|
|
snprintf(name, 256, "%d", phy_no);
|
|
port_dentry = debugfs_create_dir(name,
|
|
hisi_hba->debugfs_fifo_dentry);
|
|
|
|
debugfs_create_file("update_config", 0200, port_dentry, phy,
|
|
&debugfs_fifo_update_cfg_v3_hw_fops);
|
|
|
|
debugfs_create_file("signal_sel", 0600, port_dentry,
|
|
&phy->fifo.signal_sel,
|
|
&debugfs_v3_hw_fops);
|
|
|
|
debugfs_create_file("dump_msk", 0600, port_dentry,
|
|
&phy->fifo.dump_msk,
|
|
&debugfs_v3_hw_fops);
|
|
|
|
debugfs_create_file("dump_mode", 0600, port_dentry,
|
|
&phy->fifo.dump_mode,
|
|
&debugfs_v3_hw_fops);
|
|
|
|
debugfs_create_file("trigger_mode", 0600, port_dentry,
|
|
&phy->fifo.trigger_mode,
|
|
&debugfs_v3_hw_fops);
|
|
|
|
debugfs_create_file("trigger", 0600, port_dentry,
|
|
&phy->fifo.trigger,
|
|
&debugfs_v3_hw_fops);
|
|
|
|
debugfs_create_file("trigger_msk", 0600, port_dentry,
|
|
&phy->fifo.trigger_msk,
|
|
&debugfs_v3_hw_fops);
|
|
|
|
debugfs_create_file("fifo_data", 0400, port_dentry, phy,
|
|
&debugfs_fifo_data_v3_hw_fops);
|
|
}
|
|
}
|
|
|
|
static void debugfs_release_v3_hw(struct hisi_hba *hisi_hba, int dump_index)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
int i;
|
|
|
|
devm_kfree(dev, hisi_hba->debugfs_iost_cache[dump_index].cache);
|
|
devm_kfree(dev, hisi_hba->debugfs_itct_cache[dump_index].cache);
|
|
devm_kfree(dev, hisi_hba->debugfs_iost[dump_index].iost);
|
|
devm_kfree(dev, hisi_hba->debugfs_itct[dump_index].itct);
|
|
|
|
for (i = 0; i < hisi_hba->queue_count; i++)
|
|
devm_kfree(dev, hisi_hba->debugfs_dq[dump_index][i].hdr);
|
|
|
|
for (i = 0; i < hisi_hba->queue_count; i++)
|
|
devm_kfree(dev,
|
|
hisi_hba->debugfs_cq[dump_index][i].complete_hdr);
|
|
|
|
for (i = 0; i < DEBUGFS_REGS_NUM; i++)
|
|
devm_kfree(dev, hisi_hba->debugfs_regs[dump_index][i].data);
|
|
|
|
for (i = 0; i < hisi_hba->n_phy; i++)
|
|
devm_kfree(dev, hisi_hba->debugfs_port_reg[dump_index][i].data);
|
|
}
|
|
|
|
static const struct hisi_sas_debugfs_reg *debugfs_reg_array_v3_hw[DEBUGFS_REGS_NUM] = {
|
|
[DEBUGFS_GLOBAL] = &debugfs_global_reg,
|
|
[DEBUGFS_AXI] = &debugfs_axi_reg,
|
|
[DEBUGFS_RAS] = &debugfs_ras_reg,
|
|
};
|
|
|
|
static int debugfs_alloc_v3_hw(struct hisi_hba *hisi_hba, int dump_index)
|
|
{
|
|
const struct hisi_sas_hw *hw = hisi_hba->hw;
|
|
struct device *dev = hisi_hba->dev;
|
|
int p, c, d, r;
|
|
size_t sz;
|
|
|
|
for (r = 0; r < DEBUGFS_REGS_NUM; r++) {
|
|
struct hisi_sas_debugfs_regs *regs =
|
|
&hisi_hba->debugfs_regs[dump_index][r];
|
|
|
|
sz = debugfs_reg_array_v3_hw[r]->count * 4;
|
|
regs->data = devm_kmalloc(dev, sz, GFP_KERNEL);
|
|
if (!regs->data)
|
|
goto fail;
|
|
regs->hisi_hba = hisi_hba;
|
|
}
|
|
|
|
sz = debugfs_port_reg.count * 4;
|
|
for (p = 0; p < hisi_hba->n_phy; p++) {
|
|
struct hisi_sas_debugfs_port *port =
|
|
&hisi_hba->debugfs_port_reg[dump_index][p];
|
|
|
|
port->data = devm_kmalloc(dev, sz, GFP_KERNEL);
|
|
if (!port->data)
|
|
goto fail;
|
|
port->phy = &hisi_hba->phy[p];
|
|
}
|
|
|
|
sz = hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS;
|
|
for (c = 0; c < hisi_hba->queue_count; c++) {
|
|
struct hisi_sas_debugfs_cq *cq =
|
|
&hisi_hba->debugfs_cq[dump_index][c];
|
|
|
|
cq->complete_hdr = devm_kmalloc(dev, sz, GFP_KERNEL);
|
|
if (!cq->complete_hdr)
|
|
goto fail;
|
|
cq->cq = &hisi_hba->cq[c];
|
|
}
|
|
|
|
sz = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS;
|
|
for (d = 0; d < hisi_hba->queue_count; d++) {
|
|
struct hisi_sas_debugfs_dq *dq =
|
|
&hisi_hba->debugfs_dq[dump_index][d];
|
|
|
|
dq->hdr = devm_kmalloc(dev, sz, GFP_KERNEL);
|
|
if (!dq->hdr)
|
|
goto fail;
|
|
dq->dq = &hisi_hba->dq[d];
|
|
}
|
|
|
|
sz = HISI_SAS_MAX_COMMANDS * sizeof(struct hisi_sas_iost);
|
|
|
|
hisi_hba->debugfs_iost[dump_index].iost =
|
|
devm_kmalloc(dev, sz, GFP_KERNEL);
|
|
if (!hisi_hba->debugfs_iost[dump_index].iost)
|
|
goto fail;
|
|
|
|
sz = HISI_SAS_IOST_ITCT_CACHE_NUM *
|
|
sizeof(struct hisi_sas_iost_itct_cache);
|
|
|
|
hisi_hba->debugfs_iost_cache[dump_index].cache =
|
|
devm_kmalloc(dev, sz, GFP_KERNEL);
|
|
if (!hisi_hba->debugfs_iost_cache[dump_index].cache)
|
|
goto fail;
|
|
|
|
sz = HISI_SAS_IOST_ITCT_CACHE_NUM *
|
|
sizeof(struct hisi_sas_iost_itct_cache);
|
|
|
|
hisi_hba->debugfs_itct_cache[dump_index].cache =
|
|
devm_kmalloc(dev, sz, GFP_KERNEL);
|
|
if (!hisi_hba->debugfs_itct_cache[dump_index].cache)
|
|
goto fail;
|
|
|
|
/* New memory allocation must be locate before itct */
|
|
sz = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_itct);
|
|
|
|
hisi_hba->debugfs_itct[dump_index].itct =
|
|
devm_kmalloc(dev, sz, GFP_KERNEL);
|
|
if (!hisi_hba->debugfs_itct[dump_index].itct)
|
|
goto fail;
|
|
|
|
return 0;
|
|
fail:
|
|
debugfs_release_v3_hw(hisi_hba, dump_index);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
static int debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
int debugfs_dump_index = hisi_hba->debugfs_dump_index;
|
|
struct device *dev = hisi_hba->dev;
|
|
u64 timestamp = local_clock();
|
|
|
|
if (debugfs_dump_index >= hisi_sas_debugfs_dump_count) {
|
|
dev_warn(dev, "dump count exceeded!\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (debugfs_alloc_v3_hw(hisi_hba, debugfs_dump_index)) {
|
|
dev_warn(dev, "failed to alloc memory\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
do_div(timestamp, NSEC_PER_MSEC);
|
|
hisi_hba->debugfs_timestamp[debugfs_dump_index] = timestamp;
|
|
|
|
debugfs_snapshot_prepare_v3_hw(hisi_hba);
|
|
|
|
debugfs_snapshot_global_reg_v3_hw(hisi_hba);
|
|
debugfs_snapshot_port_reg_v3_hw(hisi_hba);
|
|
debugfs_snapshot_axi_reg_v3_hw(hisi_hba);
|
|
debugfs_snapshot_ras_reg_v3_hw(hisi_hba);
|
|
debugfs_snapshot_cq_reg_v3_hw(hisi_hba);
|
|
debugfs_snapshot_dq_reg_v3_hw(hisi_hba);
|
|
debugfs_snapshot_itct_reg_v3_hw(hisi_hba);
|
|
debugfs_snapshot_iost_reg_v3_hw(hisi_hba);
|
|
|
|
debugfs_create_files_v3_hw(hisi_hba);
|
|
|
|
debugfs_snapshot_restore_v3_hw(hisi_hba);
|
|
hisi_hba->debugfs_dump_index++;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void debugfs_phy_down_cnt_init_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct dentry *dir = debugfs_create_dir("phy_down_cnt",
|
|
hisi_hba->debugfs_dir);
|
|
char name[16];
|
|
int phy_no;
|
|
|
|
for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
|
|
snprintf(name, 16, "%d", phy_no);
|
|
debugfs_create_file(name, 0600, dir,
|
|
&hisi_hba->phy[phy_no],
|
|
&debugfs_phy_down_cnt_v3_hw_fops);
|
|
}
|
|
}
|
|
|
|
static void debugfs_bist_init_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct dentry *ports_dentry;
|
|
int phy_no;
|
|
|
|
hisi_hba->debugfs_bist_dentry =
|
|
debugfs_create_dir("bist", hisi_hba->debugfs_dir);
|
|
debugfs_create_file("link_rate", 0600,
|
|
hisi_hba->debugfs_bist_dentry, hisi_hba,
|
|
&debugfs_bist_linkrate_v3_hw_fops);
|
|
|
|
debugfs_create_file("code_mode", 0600,
|
|
hisi_hba->debugfs_bist_dentry, hisi_hba,
|
|
&debugfs_bist_code_mode_v3_hw_fops);
|
|
|
|
debugfs_create_file("fixed_code", 0600,
|
|
hisi_hba->debugfs_bist_dentry,
|
|
&hisi_hba->debugfs_bist_fixed_code[0],
|
|
&debugfs_v3_hw_fops);
|
|
|
|
debugfs_create_file("fixed_code_1", 0600,
|
|
hisi_hba->debugfs_bist_dentry,
|
|
&hisi_hba->debugfs_bist_fixed_code[1],
|
|
&debugfs_v3_hw_fops);
|
|
|
|
debugfs_create_file("phy_id", 0600, hisi_hba->debugfs_bist_dentry,
|
|
hisi_hba, &debugfs_bist_phy_v3_hw_fops);
|
|
|
|
debugfs_create_file("cnt", 0600, hisi_hba->debugfs_bist_dentry,
|
|
hisi_hba, &debugfs_bist_cnt_v3_hw_fops);
|
|
|
|
debugfs_create_file("loopback_mode", 0600,
|
|
hisi_hba->debugfs_bist_dentry,
|
|
hisi_hba, &debugfs_bist_mode_v3_hw_fops);
|
|
|
|
debugfs_create_file("enable", 0600, hisi_hba->debugfs_bist_dentry,
|
|
hisi_hba, &debugfs_bist_enable_v3_hw_fops);
|
|
|
|
ports_dentry = debugfs_create_dir("port", hisi_hba->debugfs_bist_dentry);
|
|
|
|
for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
|
|
struct dentry *port_dentry;
|
|
struct dentry *ffe_dentry;
|
|
char name[256];
|
|
int i;
|
|
|
|
snprintf(name, 256, "%d", phy_no);
|
|
port_dentry = debugfs_create_dir(name, ports_dentry);
|
|
ffe_dentry = debugfs_create_dir("ffe", port_dentry);
|
|
for (i = 0; i < FFE_CFG_MAX; i++) {
|
|
if (i == FFE_RESV)
|
|
continue;
|
|
debugfs_create_file(debugfs_ffe_name_v3_hw[i].name,
|
|
0600, ffe_dentry,
|
|
&hisi_hba->debugfs_bist_ffe[phy_no][i],
|
|
&debugfs_v3_hw_fops);
|
|
}
|
|
}
|
|
|
|
hisi_hba->debugfs_bist_linkrate = SAS_LINK_RATE_1_5_GBPS;
|
|
}
|
|
|
|
static void debugfs_exit_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
debugfs_remove_recursive(hisi_hba->debugfs_dir);
|
|
hisi_hba->debugfs_dir = NULL;
|
|
}
|
|
|
|
static void debugfs_init_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
struct device *dev = hisi_hba->dev;
|
|
|
|
hisi_hba->debugfs_dir = debugfs_create_dir(dev_name(dev),
|
|
hisi_sas_debugfs_dir);
|
|
debugfs_create_file("trigger_dump", 0200,
|
|
hisi_hba->debugfs_dir,
|
|
hisi_hba,
|
|
&debugfs_trigger_dump_v3_hw_fops);
|
|
|
|
/* create bist structures */
|
|
debugfs_bist_init_v3_hw(hisi_hba);
|
|
|
|
hisi_hba->debugfs_dump_dentry =
|
|
debugfs_create_dir("dump", hisi_hba->debugfs_dir);
|
|
|
|
debugfs_phy_down_cnt_init_v3_hw(hisi_hba);
|
|
debugfs_fifo_init_v3_hw(hisi_hba);
|
|
}
|
|
|
|
static int
|
|
hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
|
|
{
|
|
struct Scsi_Host *shost;
|
|
struct hisi_hba *hisi_hba;
|
|
struct device *dev = &pdev->dev;
|
|
struct asd_sas_phy **arr_phy;
|
|
struct asd_sas_port **arr_port;
|
|
struct sas_ha_struct *sha;
|
|
int rc, phy_nr, port_nr, i;
|
|
|
|
rc = pcim_enable_device(pdev);
|
|
if (rc)
|
|
goto err_out;
|
|
|
|
pci_set_master(pdev);
|
|
|
|
rc = pcim_iomap_regions(pdev, 1 << BAR_NO_V3_HW, DRV_NAME);
|
|
if (rc)
|
|
goto err_out;
|
|
|
|
rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
|
|
if (rc) {
|
|
dev_err(dev, "No usable DMA addressing method\n");
|
|
rc = -ENODEV;
|
|
goto err_out;
|
|
}
|
|
|
|
shost = hisi_sas_shost_alloc_pci(pdev);
|
|
if (!shost) {
|
|
rc = -ENOMEM;
|
|
goto err_out;
|
|
}
|
|
|
|
sha = SHOST_TO_SAS_HA(shost);
|
|
hisi_hba = shost_priv(shost);
|
|
dev_set_drvdata(dev, sha);
|
|
|
|
hisi_hba->regs = pcim_iomap_table(pdev)[BAR_NO_V3_HW];
|
|
if (!hisi_hba->regs) {
|
|
dev_err(dev, "cannot map register\n");
|
|
rc = -ENOMEM;
|
|
goto err_out_free_host;
|
|
}
|
|
|
|
phy_nr = port_nr = hisi_hba->n_phy;
|
|
|
|
arr_phy = devm_kcalloc(dev, phy_nr, sizeof(void *), GFP_KERNEL);
|
|
arr_port = devm_kcalloc(dev, port_nr, sizeof(void *), GFP_KERNEL);
|
|
if (!arr_phy || !arr_port) {
|
|
rc = -ENOMEM;
|
|
goto err_out_free_host;
|
|
}
|
|
|
|
sha->sas_phy = arr_phy;
|
|
sha->sas_port = arr_port;
|
|
sha->shost = shost;
|
|
sha->lldd_ha = hisi_hba;
|
|
|
|
shost->transportt = hisi_sas_stt;
|
|
shost->max_id = HISI_SAS_MAX_DEVICES;
|
|
shost->max_lun = ~0;
|
|
shost->max_channel = 1;
|
|
shost->max_cmd_len = 16;
|
|
shost->can_queue = HISI_SAS_UNRESERVED_IPTT;
|
|
shost->cmd_per_lun = HISI_SAS_UNRESERVED_IPTT;
|
|
if (hisi_hba->iopoll_q_cnt)
|
|
shost->nr_maps = 3;
|
|
else
|
|
shost->nr_maps = 1;
|
|
|
|
sha->sas_ha_name = DRV_NAME;
|
|
sha->dev = dev;
|
|
sha->sas_addr = &hisi_hba->sas_addr[0];
|
|
sha->num_phys = hisi_hba->n_phy;
|
|
|
|
for (i = 0; i < hisi_hba->n_phy; i++) {
|
|
sha->sas_phy[i] = &hisi_hba->phy[i].sas_phy;
|
|
sha->sas_port[i] = &hisi_hba->port[i].sas_port;
|
|
}
|
|
|
|
if (hisi_hba->prot_mask) {
|
|
dev_info(dev, "Registering for DIF/DIX prot_mask=0x%x\n",
|
|
prot_mask);
|
|
scsi_host_set_prot(hisi_hba->shost, prot_mask);
|
|
if (hisi_hba->prot_mask & HISI_SAS_DIX_PROT_MASK)
|
|
scsi_host_set_guard(hisi_hba->shost,
|
|
SHOST_DIX_GUARD_CRC);
|
|
}
|
|
|
|
if (hisi_sas_debugfs_enable)
|
|
debugfs_init_v3_hw(hisi_hba);
|
|
|
|
rc = interrupt_preinit_v3_hw(hisi_hba);
|
|
if (rc)
|
|
goto err_out_undo_debugfs;
|
|
|
|
rc = scsi_add_host(shost, dev);
|
|
if (rc)
|
|
goto err_out_undo_debugfs;
|
|
|
|
rc = sas_register_ha(sha);
|
|
if (rc)
|
|
goto err_out_remove_host;
|
|
|
|
rc = hisi_sas_v3_init(hisi_hba);
|
|
if (rc)
|
|
goto err_out_unregister_ha;
|
|
|
|
scsi_scan_host(shost);
|
|
|
|
pm_runtime_set_autosuspend_delay(dev, 5000);
|
|
pm_runtime_use_autosuspend(dev);
|
|
/*
|
|
* For the situation that there are ATA disks connected with SAS
|
|
* controller, it additionally creates ata_port which will affect the
|
|
* child_count of hisi_hba->dev. Even if suspended all the disks,
|
|
* ata_port is still and the child_count of hisi_hba->dev is not 0.
|
|
* So use pm_suspend_ignore_children() to ignore the effect to
|
|
* hisi_hba->dev.
|
|
*/
|
|
pm_suspend_ignore_children(dev, true);
|
|
pm_runtime_put_noidle(&pdev->dev);
|
|
|
|
return 0;
|
|
|
|
err_out_unregister_ha:
|
|
sas_unregister_ha(sha);
|
|
err_out_remove_host:
|
|
scsi_remove_host(shost);
|
|
err_out_undo_debugfs:
|
|
if (hisi_sas_debugfs_enable)
|
|
debugfs_exit_v3_hw(hisi_hba);
|
|
err_out_free_host:
|
|
hisi_sas_free(hisi_hba);
|
|
scsi_host_put(shost);
|
|
err_out:
|
|
return rc;
|
|
}
|
|
|
|
static void
|
|
hisi_sas_v3_destroy_irqs(struct pci_dev *pdev, struct hisi_hba *hisi_hba)
|
|
{
|
|
int i;
|
|
|
|
devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 1), hisi_hba);
|
|
devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 2), hisi_hba);
|
|
devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 11), hisi_hba);
|
|
for (i = 0; i < hisi_hba->cq_nvecs; i++) {
|
|
struct hisi_sas_cq *cq = &hisi_hba->cq[i];
|
|
int nr = hisi_sas_intr_conv ? 16 : 16 + i;
|
|
|
|
devm_free_irq(&pdev->dev, pci_irq_vector(pdev, nr), cq);
|
|
}
|
|
}
|
|
|
|
static void hisi_sas_v3_remove(struct pci_dev *pdev)
|
|
{
|
|
struct device *dev = &pdev->dev;
|
|
struct sas_ha_struct *sha = dev_get_drvdata(dev);
|
|
struct hisi_hba *hisi_hba = sha->lldd_ha;
|
|
struct Scsi_Host *shost = sha->shost;
|
|
|
|
pm_runtime_get_noresume(dev);
|
|
|
|
sas_unregister_ha(sha);
|
|
flush_workqueue(hisi_hba->wq);
|
|
sas_remove_host(shost);
|
|
|
|
hisi_sas_v3_destroy_irqs(pdev, hisi_hba);
|
|
hisi_sas_free(hisi_hba);
|
|
if (hisi_sas_debugfs_enable)
|
|
debugfs_exit_v3_hw(hisi_hba);
|
|
|
|
scsi_host_put(shost);
|
|
}
|
|
|
|
static void hisi_sas_reset_prepare_v3_hw(struct pci_dev *pdev)
|
|
{
|
|
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
|
|
struct hisi_hba *hisi_hba = sha->lldd_ha;
|
|
struct device *dev = hisi_hba->dev;
|
|
int rc;
|
|
|
|
dev_info(dev, "FLR prepare\n");
|
|
down(&hisi_hba->sem);
|
|
set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
|
|
hisi_sas_controller_reset_prepare(hisi_hba);
|
|
|
|
interrupt_disable_v3_hw(hisi_hba);
|
|
rc = disable_host_v3_hw(hisi_hba);
|
|
if (rc)
|
|
dev_err(dev, "FLR: disable host failed rc=%d\n", rc);
|
|
}
|
|
|
|
static void hisi_sas_reset_done_v3_hw(struct pci_dev *pdev)
|
|
{
|
|
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
|
|
struct hisi_hba *hisi_hba = sha->lldd_ha;
|
|
struct Scsi_Host *shost = hisi_hba->shost;
|
|
struct device *dev = hisi_hba->dev;
|
|
int rc;
|
|
|
|
hisi_sas_init_mem(hisi_hba);
|
|
|
|
rc = hw_init_v3_hw(hisi_hba);
|
|
if (rc) {
|
|
dev_err(dev, "FLR: hw init failed rc=%d\n", rc);
|
|
clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
|
|
scsi_unblock_requests(shost);
|
|
clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
|
|
up(&hisi_hba->sem);
|
|
return;
|
|
}
|
|
|
|
hisi_sas_controller_reset_done(hisi_hba);
|
|
dev_info(dev, "FLR done\n");
|
|
}
|
|
|
|
enum {
|
|
/* instances of the controller */
|
|
hip08,
|
|
};
|
|
|
|
static void enable_host_v3_hw(struct hisi_hba *hisi_hba)
|
|
{
|
|
u32 reg_val;
|
|
|
|
hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
|
|
(u32)((1ULL << hisi_hba->queue_count) - 1));
|
|
|
|
phys_init_v3_hw(hisi_hba);
|
|
reg_val = hisi_sas_read32(hisi_hba, AXI_MASTER_CFG_BASE +
|
|
AM_CTRL_GLOBAL);
|
|
reg_val &= ~AM_CTRL_SHUTDOWN_REQ_MSK;
|
|
hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
|
|
AM_CTRL_GLOBAL, reg_val);
|
|
}
|
|
|
|
static int _suspend_v3_hw(struct device *device)
|
|
{
|
|
struct pci_dev *pdev = to_pci_dev(device);
|
|
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
|
|
struct hisi_hba *hisi_hba = sha->lldd_ha;
|
|
struct device *dev = hisi_hba->dev;
|
|
struct Scsi_Host *shost = hisi_hba->shost;
|
|
int rc;
|
|
|
|
if (!pdev->pm_cap) {
|
|
dev_err(dev, "PCI PM not supported\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (test_and_set_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags))
|
|
return -EPERM;
|
|
|
|
dev_warn(dev, "entering suspend state\n");
|
|
|
|
scsi_block_requests(shost);
|
|
set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
|
|
flush_workqueue(hisi_hba->wq);
|
|
interrupt_disable_v3_hw(hisi_hba);
|
|
|
|
#ifdef CONFIG_PM
|
|
if (atomic_read(&device->power.usage_count)) {
|
|
dev_err(dev, "PM suspend: host status cannot be suspended\n");
|
|
rc = -EBUSY;
|
|
goto err_out;
|
|
}
|
|
#endif
|
|
|
|
rc = disable_host_v3_hw(hisi_hba);
|
|
if (rc) {
|
|
dev_err(dev, "PM suspend: disable host failed rc=%d\n", rc);
|
|
goto err_out_recover_host;
|
|
}
|
|
|
|
hisi_sas_init_mem(hisi_hba);
|
|
|
|
hisi_sas_release_tasks(hisi_hba);
|
|
|
|
sas_suspend_ha(sha);
|
|
|
|
dev_warn(dev, "end of suspending controller\n");
|
|
return 0;
|
|
|
|
err_out_recover_host:
|
|
enable_host_v3_hw(hisi_hba);
|
|
#ifdef CONFIG_PM
|
|
err_out:
|
|
#endif
|
|
interrupt_enable_v3_hw(hisi_hba);
|
|
clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
|
|
clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
|
|
scsi_unblock_requests(shost);
|
|
return rc;
|
|
}
|
|
|
|
static int _resume_v3_hw(struct device *device)
|
|
{
|
|
struct pci_dev *pdev = to_pci_dev(device);
|
|
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
|
|
struct hisi_hba *hisi_hba = sha->lldd_ha;
|
|
struct Scsi_Host *shost = hisi_hba->shost;
|
|
struct device *dev = hisi_hba->dev;
|
|
unsigned int rc;
|
|
pci_power_t device_state = pdev->current_state;
|
|
|
|
dev_warn(dev, "resuming from operating state [D%d]\n",
|
|
device_state);
|
|
|
|
scsi_unblock_requests(shost);
|
|
clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
|
|
|
|
sas_prep_resume_ha(sha);
|
|
rc = hw_init_v3_hw(hisi_hba);
|
|
if (rc) {
|
|
scsi_remove_host(shost);
|
|
return rc;
|
|
}
|
|
phys_init_v3_hw(hisi_hba);
|
|
|
|
/*
|
|
* If a directly-attached disk is removed during suspend, a deadlock
|
|
* may occur, as the PHYE_RESUME_TIMEOUT processing will require the
|
|
* hisi_hba->device to be active, which can only happen when resume
|
|
* completes. So don't wait for the HA event workqueue to drain upon
|
|
* resume.
|
|
*/
|
|
sas_resume_ha_no_sync(sha);
|
|
clear_bit(HISI_SAS_RESETTING_BIT, &hisi_hba->flags);
|
|
|
|
dev_warn(dev, "end of resuming controller\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __maybe_unused suspend_v3_hw(struct device *device)
|
|
{
|
|
struct pci_dev *pdev = to_pci_dev(device);
|
|
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
|
|
struct hisi_hba *hisi_hba = sha->lldd_ha;
|
|
int rc;
|
|
|
|
set_bit(HISI_SAS_PM_BIT, &hisi_hba->flags);
|
|
|
|
rc = _suspend_v3_hw(device);
|
|
if (rc)
|
|
clear_bit(HISI_SAS_PM_BIT, &hisi_hba->flags);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int __maybe_unused resume_v3_hw(struct device *device)
|
|
{
|
|
struct pci_dev *pdev = to_pci_dev(device);
|
|
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
|
|
struct hisi_hba *hisi_hba = sha->lldd_ha;
|
|
int rc = _resume_v3_hw(device);
|
|
|
|
clear_bit(HISI_SAS_PM_BIT, &hisi_hba->flags);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static const struct pci_device_id sas_v3_pci_table[] = {
|
|
{ PCI_VDEVICE(HUAWEI, 0xa230), hip08 },
|
|
{}
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, sas_v3_pci_table);
|
|
|
|
static const struct pci_error_handlers hisi_sas_err_handler = {
|
|
.reset_prepare = hisi_sas_reset_prepare_v3_hw,
|
|
.reset_done = hisi_sas_reset_done_v3_hw,
|
|
};
|
|
|
|
static UNIVERSAL_DEV_PM_OPS(hisi_sas_v3_pm_ops,
|
|
suspend_v3_hw,
|
|
resume_v3_hw,
|
|
NULL);
|
|
|
|
static struct pci_driver sas_v3_pci_driver = {
|
|
.name = DRV_NAME,
|
|
.id_table = sas_v3_pci_table,
|
|
.probe = hisi_sas_v3_probe,
|
|
.remove = hisi_sas_v3_remove,
|
|
.err_handler = &hisi_sas_err_handler,
|
|
.driver.pm = &hisi_sas_v3_pm_ops,
|
|
};
|
|
|
|
module_pci_driver(sas_v3_pci_driver);
|
|
module_param_named(intr_conv, hisi_sas_intr_conv, bool, 0444);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
|
|
MODULE_DESCRIPTION("HISILICON SAS controller v3 hw driver based on pci device");
|
|
MODULE_ALIAS("pci:" DRV_NAME);
|