| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Xiang Chen | 8855 | 35.96% | 75 | 41.67% |
| Luo Jiaxing | 8253 | 33.52% | 30 | 16.67% |
| Xiaofei Tan | 6792 | 27.58% | 29 | 16.11% |
| John Garry | 389 | 1.58% | 25 | 13.89% |
| Qi Liu | 93 | 0.38% | 4 | 2.22% |
| Xingui Yang | 82 | 0.33% | 2 | 1.11% |
| Jianqin Xie | 69 | 0.28% | 1 | 0.56% |
| Bart Van Assche | 26 | 0.11% | 4 | 2.22% |
| Yang Yingliang | 24 | 0.10% | 1 | 0.56% |
| Arnd Bergmann | 10 | 0.04% | 1 | 0.56% |
| Christoph Hellwig | 8 | 0.03% | 2 | 1.11% |
| Vaibhav Gupta | 7 | 0.03% | 1 | 0.56% |
| Jason Yan | 5 | 0.02% | 1 | 0.56% |
| Yufen Yu | 4 | 0.02% | 1 | 0.56% |
| Ahmed S. Darwish | 2 | 0.01% | 1 | 0.56% |
| Linus Torvalds | 2 | 0.01% | 1 | 0.56% |
| Thomas Gleixner | 2 | 0.01% | 1 | 0.56% |
| Total | 24623 | 180 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) 2017 Hisilicon Limited. */ #include <linux/sched/clock.h> #include "hisi_sas.h" #define DRV_NAME "hisi_sas_v3_hw" /* global registers need init */ #define DLVRY_QUEUE_ENABLE 0x0 #define IOST_BASE_ADDR_LO 0x8 #define IOST_BASE_ADDR_HI 0xc #define ITCT_BASE_ADDR_LO 0x10 #define ITCT_BASE_ADDR_HI 0x14 #define IO_BROKEN_MSG_ADDR_LO 0x18 #define IO_BROKEN_MSG_ADDR_HI 0x1c #define PHY_CONTEXT 0x20 #define PHY_STATE 0x24 #define PHY_PORT_NUM_MA 0x28 #define PHY_CONN_RATE 0x30 #define ITCT_CLR 0x44 #define ITCT_CLR_EN_OFF 16 #define ITCT_CLR_EN_MSK (0x1 << ITCT_CLR_EN_OFF) #define ITCT_DEV_OFF 0 #define ITCT_DEV_MSK (0x7ff << ITCT_DEV_OFF) #define SAS_AXI_USER3 0x50 #define IO_SATA_BROKEN_MSG_ADDR_LO 0x58 #define IO_SATA_BROKEN_MSG_ADDR_HI 0x5c #define SATA_INITI_D2H_STORE_ADDR_LO 0x60 #define SATA_INITI_D2H_STORE_ADDR_HI 0x64 #define CFG_MAX_TAG 0x68 #define HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL 0x84 #define HGC_SAS_TXFAIL_RETRY_CTRL 0x88 #define HGC_GET_ITV_TIME 0x90 #define DEVICE_MSG_WORK_MODE 0x94 #define OPENA_WT_CONTI_TIME 0x9c #define I_T_NEXUS_LOSS_TIME 0xa0 #define MAX_CON_TIME_LIMIT_TIME 0xa4 #define BUS_INACTIVE_LIMIT_TIME 0xa8 #define REJECT_TO_OPEN_LIMIT_TIME 0xac #define CQ_INT_CONVERGE_EN 0xb0 #define CFG_AGING_TIME 0xbc #define HGC_DFX_CFG2 0xc0 #define CFG_ABT_SET_QUERY_IPTT 0xd4 #define CFG_SET_ABORTED_IPTT_OFF 0 #define CFG_SET_ABORTED_IPTT_MSK (0xfff << CFG_SET_ABORTED_IPTT_OFF) #define CFG_SET_ABORTED_EN_OFF 12 #define CFG_ABT_SET_IPTT_DONE 0xd8 #define CFG_ABT_SET_IPTT_DONE_OFF 0 #define HGC_IOMB_PROC1_STATUS 0x104 #define HGC_LM_DFX_STATUS2 0x128 #define HGC_LM_DFX_STATUS2_IOSTLIST_OFF 0 #define HGC_LM_DFX_STATUS2_IOSTLIST_MSK (0xfff << \ HGC_LM_DFX_STATUS2_IOSTLIST_OFF) #define HGC_LM_DFX_STATUS2_ITCTLIST_OFF 12 #define HGC_LM_DFX_STATUS2_ITCTLIST_MSK (0x7ff << \ HGC_LM_DFX_STATUS2_ITCTLIST_OFF) #define HGC_CQE_ECC_ADDR 0x13c #define HGC_CQE_ECC_1B_ADDR_OFF 0 #define HGC_CQE_ECC_1B_ADDR_MSK (0x3f << HGC_CQE_ECC_1B_ADDR_OFF) #define HGC_CQE_ECC_MB_ADDR_OFF 8 #define HGC_CQE_ECC_MB_ADDR_MSK (0x3f << HGC_CQE_ECC_MB_ADDR_OFF) #define HGC_IOST_ECC_ADDR 0x140 #define HGC_IOST_ECC_1B_ADDR_OFF 0 #define HGC_IOST_ECC_1B_ADDR_MSK (0x3ff << HGC_IOST_ECC_1B_ADDR_OFF) #define HGC_IOST_ECC_MB_ADDR_OFF 16 #define HGC_IOST_ECC_MB_ADDR_MSK (0x3ff << HGC_IOST_ECC_MB_ADDR_OFF) #define HGC_DQE_ECC_ADDR 0x144 #define HGC_DQE_ECC_1B_ADDR_OFF 0 #define HGC_DQE_ECC_1B_ADDR_MSK (0xfff << HGC_DQE_ECC_1B_ADDR_OFF) #define HGC_DQE_ECC_MB_ADDR_OFF 16 #define HGC_DQE_ECC_MB_ADDR_MSK (0xfff << HGC_DQE_ECC_MB_ADDR_OFF) #define CHNL_INT_STATUS 0x148 #define TAB_DFX 0x14c #define HGC_ITCT_ECC_ADDR 0x150 #define HGC_ITCT_ECC_1B_ADDR_OFF 0 #define HGC_ITCT_ECC_1B_ADDR_MSK (0x3ff << \ HGC_ITCT_ECC_1B_ADDR_OFF) #define HGC_ITCT_ECC_MB_ADDR_OFF 16 #define HGC_ITCT_ECC_MB_ADDR_MSK (0x3ff << \ HGC_ITCT_ECC_MB_ADDR_OFF) #define HGC_AXI_FIFO_ERR_INFO 0x154 #define AXI_ERR_INFO_OFF 0 #define AXI_ERR_INFO_MSK (0xff << AXI_ERR_INFO_OFF) #define FIFO_ERR_INFO_OFF 8 #define FIFO_ERR_INFO_MSK (0xff << FIFO_ERR_INFO_OFF) #define TAB_RD_TYPE 0x15c #define INT_COAL_EN 0x19c #define OQ_INT_COAL_TIME 0x1a0 #define OQ_INT_COAL_CNT 0x1a4 #define ENT_INT_COAL_TIME 0x1a8 #define ENT_INT_COAL_CNT 0x1ac #define OQ_INT_SRC 0x1b0 #define OQ_INT_SRC_MSK 0x1b4 #define ENT_INT_SRC1 0x1b8 #define ENT_INT_SRC1_D2H_FIS_CH0_OFF 0 #define ENT_INT_SRC1_D2H_FIS_CH0_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH0_OFF) #define ENT_INT_SRC1_D2H_FIS_CH1_OFF 8 #define ENT_INT_SRC1_D2H_FIS_CH1_MSK (0x1 << ENT_INT_SRC1_D2H_FIS_CH1_OFF) #define ENT_INT_SRC2 0x1bc #define ENT_INT_SRC3 0x1c0 #define ENT_INT_SRC3_WP_DEPTH_OFF 8 #define ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF 9 #define ENT_INT_SRC3_RP_DEPTH_OFF 10 #define ENT_INT_SRC3_AXI_OFF 11 #define ENT_INT_SRC3_FIFO_OFF 12 #define ENT_INT_SRC3_LM_OFF 14 #define ENT_INT_SRC3_ITC_INT_OFF 15 #define ENT_INT_SRC3_ITC_INT_MSK (0x1 << ENT_INT_SRC3_ITC_INT_OFF) #define ENT_INT_SRC3_ABT_OFF 16 #define ENT_INT_SRC3_DQE_POISON_OFF 18 #define ENT_INT_SRC3_IOST_POISON_OFF 19 #define ENT_INT_SRC3_ITCT_POISON_OFF 20 #define ENT_INT_SRC3_ITCT_NCQ_POISON_OFF 21 #define ENT_INT_SRC_MSK1 0x1c4 #define ENT_INT_SRC_MSK2 0x1c8 #define ENT_INT_SRC_MSK3 0x1cc #define ENT_INT_SRC_MSK3_ENT95_MSK_OFF 31 #define CHNL_PHYUPDOWN_INT_MSK 0x1d0 #define CHNL_ENT_INT_MSK 0x1d4 #define HGC_COM_INT_MSK 0x1d8 #define ENT_INT_SRC_MSK3_ENT95_MSK_MSK (0x1 << ENT_INT_SRC_MSK3_ENT95_MSK_OFF) #define SAS_ECC_INTR 0x1e8 #define SAS_ECC_INTR_DQE_ECC_1B_OFF 0 #define SAS_ECC_INTR_DQE_ECC_MB_OFF 1 #define SAS_ECC_INTR_IOST_ECC_1B_OFF 2 #define SAS_ECC_INTR_IOST_ECC_MB_OFF 3 #define SAS_ECC_INTR_ITCT_ECC_1B_OFF 4 #define SAS_ECC_INTR_ITCT_ECC_MB_OFF 5 #define SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF 6 #define SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF 7 #define SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF 8 #define SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF 9 #define SAS_ECC_INTR_CQE_ECC_1B_OFF 10 #define SAS_ECC_INTR_CQE_ECC_MB_OFF 11 #define SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF 12 #define SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF 13 #define SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF 14 #define SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF 15 #define SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF 16 #define SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF 17 #define SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF 18 #define SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF 19 #define SAS_ECC_INTR_OOO_RAM_ECC_1B_OFF 20 #define SAS_ECC_INTR_OOO_RAM_ECC_MB_OFF 21 #define SAS_ECC_INTR_MSK 0x1ec #define HGC_ERR_STAT_EN 0x238 #define CQE_SEND_CNT 0x248 #define DLVRY_Q_0_BASE_ADDR_LO 0x260 #define DLVRY_Q_0_BASE_ADDR_HI 0x264 #define DLVRY_Q_0_DEPTH 0x268 #define DLVRY_Q_0_WR_PTR 0x26c #define DLVRY_Q_0_RD_PTR 0x270 #define HYPER_STREAM_ID_EN_CFG 0xc80 #define OQ0_INT_SRC_MSK 0xc90 #define COMPL_Q_0_BASE_ADDR_LO 0x4e0 #define COMPL_Q_0_BASE_ADDR_HI 0x4e4 #define COMPL_Q_0_DEPTH 0x4e8 #define COMPL_Q_0_WR_PTR 0x4ec #define COMPL_Q_0_RD_PTR 0x4f0 #define HGC_RXM_DFX_STATUS14 0xae8 #define HGC_RXM_DFX_STATUS14_MEM0_OFF 0 #define HGC_RXM_DFX_STATUS14_MEM0_MSK (0x1ff << \ HGC_RXM_DFX_STATUS14_MEM0_OFF) #define HGC_RXM_DFX_STATUS14_MEM1_OFF 9 #define HGC_RXM_DFX_STATUS14_MEM1_MSK (0x1ff << \ HGC_RXM_DFX_STATUS14_MEM1_OFF) #define HGC_RXM_DFX_STATUS14_MEM2_OFF 18 #define HGC_RXM_DFX_STATUS14_MEM2_MSK (0x1ff << \ HGC_RXM_DFX_STATUS14_MEM2_OFF) #define HGC_RXM_DFX_STATUS15 0xaec #define HGC_RXM_DFX_STATUS15_MEM3_OFF 0 #define HGC_RXM_DFX_STATUS15_MEM3_MSK (0x1ff << \ HGC_RXM_DFX_STATUS15_MEM3_OFF) #define AWQOS_AWCACHE_CFG 0xc84 #define ARQOS_ARCACHE_CFG 0xc88 #define HILINK_ERR_DFX 0xe04 #define SAS_GPIO_CFG_0 0x1000 #define SAS_GPIO_CFG_1 0x1004 #define SAS_GPIO_TX_0_1 0x1040 #define SAS_CFG_DRIVE_VLD 0x1070 /* phy registers requiring init */ #define PORT_BASE (0x2000) #define PHY_CFG (PORT_BASE + 0x0) #define HARD_PHY_LINKRATE (PORT_BASE + 0x4) #define PHY_CFG_ENA_OFF 0 #define PHY_CFG_ENA_MSK (0x1 << PHY_CFG_ENA_OFF) #define PHY_CFG_DC_OPT_OFF 2 #define PHY_CFG_DC_OPT_MSK (0x1 << PHY_CFG_DC_OPT_OFF) #define PHY_CFG_PHY_RST_OFF 3 #define PHY_CFG_PHY_RST_MSK (0x1 << PHY_CFG_PHY_RST_OFF) #define PROG_PHY_LINK_RATE (PORT_BASE + 0x8) #define CFG_PROG_PHY_LINK_RATE_OFF 0 #define CFG_PROG_PHY_LINK_RATE_MSK (0xff << CFG_PROG_PHY_LINK_RATE_OFF) #define CFG_PROG_OOB_PHY_LINK_RATE_OFF 8 #define CFG_PROG_OOB_PHY_LINK_RATE_MSK (0xf << CFG_PROG_OOB_PHY_LINK_RATE_OFF) #define PHY_CTRL (PORT_BASE + 0x14) #define PHY_CTRL_RESET_OFF 0 #define PHY_CTRL_RESET_MSK (0x1 << PHY_CTRL_RESET_OFF) #define CMD_HDR_PIR_OFF 8 #define CMD_HDR_PIR_MSK (0x1 << CMD_HDR_PIR_OFF) #define SERDES_CFG (PORT_BASE + 0x1c) #define CFG_ALOS_CHK_DISABLE_OFF 9 #define CFG_ALOS_CHK_DISABLE_MSK (0x1 << CFG_ALOS_CHK_DISABLE_OFF) #define SAS_PHY_BIST_CTRL (PORT_BASE + 0x2c) #define CFG_BIST_MODE_SEL_OFF 0 #define CFG_BIST_MODE_SEL_MSK (0xf << CFG_BIST_MODE_SEL_OFF) #define CFG_LOOP_TEST_MODE_OFF 14 #define CFG_LOOP_TEST_MODE_MSK (0x3 << CFG_LOOP_TEST_MODE_OFF) #define CFG_RX_BIST_EN_OFF 16 #define CFG_RX_BIST_EN_MSK (0x1 << CFG_RX_BIST_EN_OFF) #define CFG_TX_BIST_EN_OFF 17 #define CFG_TX_BIST_EN_MSK (0x1 << CFG_TX_BIST_EN_OFF) #define CFG_BIST_TEST_OFF 18 #define CFG_BIST_TEST_MSK (0x1 << CFG_BIST_TEST_OFF) #define SAS_PHY_BIST_CODE (PORT_BASE + 0x30) #define SAS_PHY_BIST_CODE1 (PORT_BASE + 0x34) #define SAS_BIST_ERR_CNT (PORT_BASE + 0x38) #define SL_CFG (PORT_BASE + 0x84) #define AIP_LIMIT (PORT_BASE + 0x90) #define SL_CONTROL (PORT_BASE + 0x94) #define SL_CONTROL_NOTIFY_EN_OFF 0 #define SL_CONTROL_NOTIFY_EN_MSK (0x1 << SL_CONTROL_NOTIFY_EN_OFF) #define SL_CTA_OFF 17 #define SL_CTA_MSK (0x1 << SL_CTA_OFF) #define RX_PRIMS_STATUS (PORT_BASE + 0x98) #define RX_BCAST_CHG_OFF 1 #define RX_BCAST_CHG_MSK (0x1 << RX_BCAST_CHG_OFF) #define TX_ID_DWORD0 (PORT_BASE + 0x9c) #define TX_ID_DWORD1 (PORT_BASE + 0xa0) #define TX_ID_DWORD2 (PORT_BASE + 0xa4) #define TX_ID_DWORD3 (PORT_BASE + 0xa8) #define TX_ID_DWORD4 (PORT_BASE + 0xaC) #define TX_ID_DWORD5 (PORT_BASE + 0xb0) #define TX_ID_DWORD6 (PORT_BASE + 0xb4) #define TXID_AUTO (PORT_BASE + 0xb8) #define CT3_OFF 1 #define CT3_MSK (0x1 << CT3_OFF) #define TX_HARDRST_OFF 2 #define TX_HARDRST_MSK (0x1 << TX_HARDRST_OFF) #define RX_IDAF_DWORD0 (PORT_BASE + 0xc4) #define RXOP_CHECK_CFG_H (PORT_BASE + 0xfc) #define STP_LINK_TIMER (PORT_BASE + 0x120) #define STP_LINK_TIMEOUT_STATE (PORT_BASE + 0x124) #define CON_CFG_DRIVER (PORT_BASE + 0x130) #define SAS_SSP_CON_TIMER_CFG (PORT_BASE + 0x134) #define SAS_SMP_CON_TIMER_CFG (PORT_BASE + 0x138) #define SAS_STP_CON_TIMER_CFG (PORT_BASE + 0x13c) #define CHL_INT0 (PORT_BASE + 0x1b4) #define CHL_INT0_HOTPLUG_TOUT_OFF 0 #define CHL_INT0_HOTPLUG_TOUT_MSK (0x1 << CHL_INT0_HOTPLUG_TOUT_OFF) #define CHL_INT0_SL_RX_BCST_ACK_OFF 1 #define CHL_INT0_SL_RX_BCST_ACK_MSK (0x1 << CHL_INT0_SL_RX_BCST_ACK_OFF) #define CHL_INT0_SL_PHY_ENABLE_OFF 2 #define CHL_INT0_SL_PHY_ENABLE_MSK (0x1 << CHL_INT0_SL_PHY_ENABLE_OFF) #define CHL_INT0_NOT_RDY_OFF 4 #define CHL_INT0_NOT_RDY_MSK (0x1 << CHL_INT0_NOT_RDY_OFF) #define CHL_INT0_PHY_RDY_OFF 5 #define CHL_INT0_PHY_RDY_MSK (0x1 << CHL_INT0_PHY_RDY_OFF) #define CHL_INT1 (PORT_BASE + 0x1b8) #define CHL_INT1_DMAC_TX_ECC_MB_ERR_OFF 15 #define CHL_INT1_DMAC_TX_ECC_1B_ERR_OFF 16 #define CHL_INT1_DMAC_RX_ECC_MB_ERR_OFF 17 #define CHL_INT1_DMAC_RX_ECC_1B_ERR_OFF 18 #define CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF 19 #define CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF 20 #define CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF 21 #define CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF 22 #define CHL_INT1_DMAC_TX_FIFO_ERR_OFF 23 #define CHL_INT1_DMAC_RX_FIFO_ERR_OFF 24 #define CHL_INT1_DMAC_TX_AXI_RUSER_ERR_OFF 26 #define CHL_INT1_DMAC_RX_AXI_RUSER_ERR_OFF 27 #define CHL_INT2 (PORT_BASE + 0x1bc) #define CHL_INT2_SL_IDAF_TOUT_CONF_OFF 0 #define CHL_INT2_RX_DISP_ERR_OFF 28 #define CHL_INT2_RX_CODE_ERR_OFF 29 #define CHL_INT2_RX_INVLD_DW_OFF 30 #define CHL_INT2_STP_LINK_TIMEOUT_OFF 31 #define CHL_INT0_MSK (PORT_BASE + 0x1c0) #define CHL_INT1_MSK (PORT_BASE + 0x1c4) #define CHL_INT2_MSK (PORT_BASE + 0x1c8) #define SAS_EC_INT_COAL_TIME (PORT_BASE + 0x1cc) #define CHL_INT_COAL_EN (PORT_BASE + 0x1d0) #define SAS_RX_TRAIN_TIMER (PORT_BASE + 0x2a4) #define PHY_CTRL_RDY_MSK (PORT_BASE + 0x2b0) #define PHYCTRL_NOT_RDY_MSK (PORT_BASE + 0x2b4) #define PHYCTRL_DWS_RESET_MSK (PORT_BASE + 0x2b8) #define PHYCTRL_PHY_ENA_MSK (PORT_BASE + 0x2bc) #define SL_RX_BCAST_CHK_MSK (PORT_BASE + 0x2c0) #define PHYCTRL_OOB_RESTART_MSK (PORT_BASE + 0x2c4) #define DMA_TX_STATUS (PORT_BASE + 0x2d0) #define DMA_TX_STATUS_BUSY_OFF 0 #define DMA_TX_STATUS_BUSY_MSK (0x1 << DMA_TX_STATUS_BUSY_OFF) #define DMA_RX_STATUS (PORT_BASE + 0x2e8) #define DMA_RX_STATUS_BUSY_OFF 0 #define DMA_RX_STATUS_BUSY_MSK (0x1 << DMA_RX_STATUS_BUSY_OFF) #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) #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 CMPLT_HDR_IO_IN_TARGET_OFF 17 #define CMPLT_HDR_IO_IN_TARGET_MSK (0x1 << CMPLT_HDR_IO_IN_TARGET_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 "); static void debugfs_work_handler_v3_hw(struct work_struct *work); static void 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 init_reg_v3_hw(struct hisi_hba *hisi_hba) { 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, SAS_AXI_USER3, 0); hisi_sas_write32(hisi_hba, CFG_MAX_TAG, 0xfff0400); 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, 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, 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, SAS_ECC_INTR_MSK, 0x155555); hisi_sas_write32(hisi_hba, AWQOS_AWCACHE_CFG, 0xf0f0); hisi_sas_write32(hisi_hba, ARQOS_ARCACHE_CFG, 0xf0f0); 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, HYPER_STREAM_ID_EN_CFG, 1); 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, SERDES_CFG, 0xffc00); 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, CHL_INT1_MSK, 0xf2057fff); hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffbfe); hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0); hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0); hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_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); 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_SSP_CON_TIMER_CFG, 0x32); hisi_sas_phy_write32(hisi_hba, i, SAS_EC_INT_COAL_TIME, 0x30f4240); /* used for 12G negotiate */ hisi_sas_phy_write32(hisi_hba, i, COARSETUNE_TIME, 0x1e); hisi_sas_phy_write32(hisi_hba, i, AIP_LIMIT, 0x2ffff); /* 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); 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); } 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 | (ssp_task->task_prio << 3); 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; /* * 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; spin_lock(&phy->lock); /* Delete timer and set phy_attached atomically */ del_timer(&phy->timer); phy->phy_attached = 1; spin_unlock(&phy->lock); 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 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); 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 (!(complete_hdr->dw0 & CMPLT_HDR_RSPNS_GOOD_MSK) && (complete_hdr->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 ((complete_hdr->dw0 & CMPLT_HDR_RSPNS_XFRD_MSK) && (sipc_rx_err_type & RX_FIS_STATUS_ERR_MSK)) { 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) { ts->stat = SAS_PHY_DOWN; slot->abort = 1; } else { ts->stat = SAS_OPEN_REJECT; ts->open_rej_reason = SAS_OREJ_RSVD_RETRY; } 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)) { 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; 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); 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 irqreturn_t cq_thread_v3_hw(int irq_no, void *p) { struct hisi_sas_cq *cq = p; struct hisi_hba *hisi_hba = cq->hisi_hba; struct hisi_sas_slot *slot; struct hisi_sas_complete_v3_hdr *complete_queue; u32 rd_point = cq->rd_point, wr_point; int queue = cq->id; complete_queue = hisi_hba->complete_hdr[queue]; wr_point = hisi_sas_read32(hisi_hba, COMPL_Q_0_WR_PTR + (0x14 * queue)); while (rd_point != wr_point) { struct hisi_sas_complete_v3_hdr *complete_hdr; struct device *dev = hisi_hba->dev; u32 dw1; int iptt; complete_hdr = &complete_queue[rd_point]; dw1 = le32_to_cpu(complete_hdr->dw1); iptt = dw1 & CMPLT_HDR_IPTT_MSK; 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 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) { int vectors; int max_msi = HISI_SAS_MSI_COUNT_V3_HW, 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; shost->nr_hw_queues = hisi_hba->cq_nvecs; devm_add_action(&pdev->dev, hisi_sas_v3_free_vectors, pdev); return 0; } 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; interrupt_disable_v3_hw(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; 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 int slave_configure_v3_hw(struct scsi_device *sdev) { struct Scsi_Host *shost = dev_to_shost(&sdev->sdev_gendev); struct hisi_hba *hisi_hba = shost_priv(shost); int ret = hisi_sas_slave_configure(sdev); 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, NULL }; ATTRIBUTE_GROUPS(host_v3_hw); #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(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) { set_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags); hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0); wait_cmds_complete_timeout_v3_hw(hisi_hba, 100, 5000); hisi_sas_sync_irqs(hisi_hba); } static void debugfs_snapshot_restore_v3_hw(struct hisi_hba *hisi_hba) { 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); } 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 = &shost->tag_set.map[HCTX_TYPE_DEFAULT]; blk_mq_pci_map_queues(qmap, hisi_hba->pci_dev, BASE_VECTORS_V3_HW); } static struct scsi_host_template sht_v3_hw = { .name = DRV_NAME, .proc_name = DRV_NAME, .module = THIS_MODULE, .queuecommand = sas_queuecommand, .dma_need_drain = ata_scsi_dma_need_drain, .target_alloc = sas_target_alloc, .slave_configure = slave_configure_v3_hw, .scan_finished = hisi_sas_scan_finished, .scan_start = hisi_sas_scan_start, .map_queues = hisi_sas_map_queues, .change_queue_depth = sas_change_queue_depth, .bios_param = sas_bios_param, .this_id = -1, .sg_tablesize = HISI_SAS_SGE_PAGE_CNT, .sg_prot_tablesize = HISI_SAS_SGE_PAGE_CNT, .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .eh_device_reset_handler = sas_eh_device_reset_handler, .eh_target_reset_handler = sas_eh_target_reset_handler, .slave_alloc = hisi_sas_slave_alloc, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, #ifdef CONFIG_COMPAT .compat_ioctl = sas_ioctl, #endif .shost_groups = host_v3_hw_groups, .tag_alloc_policy = BLK_TAG_ALLOC_RR, .host_reset = hisi_sas_host_reset, .host_tagset = 1, }; 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); INIT_WORK(&hisi_hba->debugfs_work, debugfs_work_handler_v3_hw); 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 (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_axi_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 void 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; } 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++; } 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 (hisi_hba->debugfs_dump_index >= hisi_sas_debugfs_dump_count) return -EFAULT; if (count > 8) return -EFAULT; if (copy_from_user(buf, user_buf, count)) return -EFAULT; if (buf[0] != '1') return -EFAULT; queue_work(hisi_hba->wq, &hisi_hba->debugfs_work); 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; } static int debugfs_bist_linkrate_v3_hw_open(struct inode *inode, struct file *filp) { return single_open(filp, debugfs_bist_linkrate_v3_hw_show, inode->i_private); } static const struct file_operations debugfs_bist_linkrate_v3_hw_fops = { .open = debugfs_bist_linkrate_v3_hw_open, .read = seq_read, .write = debugfs_bist_linkrate_v3_hw_write, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, }; 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; } static int debugfs_bist_code_mode_v3_hw_open(struct inode *inode, struct file *filp) { return single_open(filp, debugfs_bist_code_mode_v3_hw_show, inode->i_private); } static const struct file_operations debugfs_bist_code_mode_v3_hw_fops = { .open = debugfs_bist_code_mode_v3_hw_open, .read = seq_read, .write = debugfs_bist_code_mode_v3_hw_write, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, }; 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; } static int debugfs_bist_phy_v3_hw_open(struct inode *inode, struct file *filp) { return single_open(filp, debugfs_bist_phy_v3_hw_show, inode->i_private); } static const struct file_operations debugfs_bist_phy_v3_hw_fops = { .open = debugfs_bist_phy_v3_hw_open, .read = seq_read, .write = debugfs_bist_phy_v3_hw_write, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, }; 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; } static int debugfs_bist_cnt_v3_hw_open(struct inode *inode, struct file *filp) { return single_open(filp, debugfs_bist_cnt_v3_hw_show, inode->i_private); } static const struct file_operations debugfs_bist_cnt_v3_hw_ops = { .open = debugfs_bist_cnt_v3_hw_open, .read = seq_read, .write = debugfs_bist_cnt_v3_hw_write, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, }; 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; } static int debugfs_bist_mode_v3_hw_open(struct inode *inode, struct file *filp) { return single_open(filp, debugfs_bist_mode_v3_hw_show, inode->i_private); } static const struct file_operations debugfs_bist_mode_v3_hw_fops = { .open = debugfs_bist_mode_v3_hw_open, .read = seq_read, .write = debugfs_bist_mode_v3_hw_write, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, }; 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; } static int debugfs_bist_enable_v3_hw_open(struct inode *inode, struct file *filp) { return single_open(filp, debugfs_bist_enable_v3_hw_show, inode->i_private); } static const struct file_operations debugfs_bist_enable_v3_hw_fops = { .open = debugfs_bist_enable_v3_hw_open, .read = seq_read, .write = debugfs_bist_enable_v3_hw_write, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, }; 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; } static int debugfs_v3_hw_open(struct inode *inode, struct file *filp) { return single_open(filp, debugfs_v3_hw_show, inode->i_private); } static const struct file_operations debugfs_v3_hw_fops = { .open = debugfs_v3_hw_open, .read = seq_read, .write = debugfs_v3_hw_write, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, }; 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; } static int debugfs_phy_down_cnt_v3_hw_open(struct inode *inode, struct file *filp) { return single_open(filp, debugfs_phy_down_cnt_v3_hw_show, inode->i_private); } static const struct file_operations debugfs_phy_down_cnt_v3_hw_fops = { .open = debugfs_phy_down_cnt_v3_hw_open, .read = seq_read, .write = debugfs_phy_down_cnt_v3_hw_write, .llseek = seq_lseek, .release = single_release, .owner = THIS_MODULE, }; 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, 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_work_handler_v3_hw(struct work_struct *work) { struct hisi_hba *hisi_hba = container_of(work, struct hisi_hba, debugfs_work); debugfs_snapshot_regs_v3_hw(hisi_hba); } 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, i; 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: for (i = 0; i < hisi_sas_debugfs_dump_count; i++) debugfs_release_v3_hw(hisi_hba, i); return -ENOMEM; } 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_ops); 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_init_v3_hw(struct hisi_hba *hisi_hba) { struct device *dev = hisi_hba->dev; int i; 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); for (i = 0; i < hisi_sas_debugfs_dump_count; i++) { if (debugfs_alloc_v3_hw(hisi_hba, i)) { debugfs_remove_recursive(hisi_hba->debugfs_dir); dev_dbg(dev, "failed to init debugfs!\n"); break; } } } static void debugfs_exit_v3_hw(struct hisi_hba *hisi_hba) { debugfs_remove_recursive(hisi_hba->debugfs_dir); } 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->core.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; sha->sas_ha_name = DRV_NAME; sha->dev = dev; sha->lldd_module = THIS_MODULE; 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: 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->core.shost; pm_runtime_get_noresume(dev); del_timer_sync(&hisi_hba->timer); sas_unregister_ha(sha); flush_workqueue(hisi_hba->wq); sas_remove_host(sha->core.shost); hisi_sas_v3_destroy_irqs(pdev, hisi_hba); hisi_sas_free(hisi_hba); 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); 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 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); return; } hisi_sas_controller_reset_done(hisi_hba); dev_info(dev, "FLR done\n"); } enum { /* instances of the controller */ hip08, }; 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 -1; 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); rc = disable_host_v3_hw(hisi_hba); if (rc) { dev_err(dev, "PM suspend: disable host failed rc=%d\n", rc); 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; } 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; } 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);
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