scsi: hisi_sas: add v2 hw support for ECC and AXI bus fatal error
authorXiang Chen <chenxiang66@hisilicon.com>
Mon, 7 Nov 2016 12:48:30 +0000 (20:48 +0800)
committerMartin K. Petersen <martin.petersen@oracle.com>
Fri, 25 Nov 2016 14:54:39 +0000 (09:54 -0500)
For ECC 1bit error, logic can recover it, so we only print
a warning.
For ECC multi-bit and AXI bus fatal error, we panic.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Reviewed-by: Zhangfei Gao <zhangfei.gao@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
drivers/scsi/hisi_sas/hisi_sas_v2_hw.c

index 0763b4764ad52426b045955447b146a6cdde4896..9e70e6d64724ad60789e9d8ddd442805fc8bc178 100644 (file)
 #define HGC_DFX_CFG2                   0xc0
 #define HGC_IOMB_PROC1_STATUS  0x104
 #define CFG_1US_TIMER_TRSH             0xcc
+#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 HGC_INVLD_DQE_INFO             0x148
 #define HGC_INVLD_DQE_INFO_FB_CH0_OFF  9
 #define HGC_INVLD_DQE_INFO_FB_CH0_MSK  (0x1 << HGC_INVLD_DQE_INFO_FB_CH0_OFF)
 #define HGC_INVLD_DQE_INFO_FB_CH3_OFF  18
+#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 INT_COAL_EN                    0x19c
 #define OQ_INT_COAL_TIME               0x1a0
 #define OQ_INT_COAL_CNT                        0x1a4
 #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_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 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_MB_OFF   4
+#define SAS_ECC_INTR_ITCT_ECC_1B_OFF   5
+#define SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF       6
+#define SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF       7
+#define SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF       8
+#define SAS_ECC_INTR_ITCTLIST_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_MB_OFF       12
+#define SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF       13
+#define SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF       14
+#define SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF       15
+#define SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF       16
+#define SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF       17
+#define SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF       18
+#define SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF       19
 #define SAS_ECC_INTR_MSK               0x1ec
 #define HGC_ERR_STAT_EN                        0x238
 #define DLVRY_Q_0_BASE_ADDR_LO         0x260
 #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)
 /* phy registers need init */
 #define PORT_BASE                      (0x2000)
 
 #define ITCT_HDR_RTOLT_OFF             48
 #define ITCT_HDR_RTOLT_MSK             (0xffffULL << ITCT_HDR_RTOLT_OFF)
 
+#define HISI_SAS_FATAL_INT_NR  2
+
 struct hisi_sas_complete_v2_hdr {
        __le32 dw0;
        __le32 dw1;
@@ -808,7 +885,7 @@ static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
        hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0x7efefefe);
        hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0x7efefefe);
        hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0x7ffffffe);
-       hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xfffff3c0);
+       hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xfff00c30);
        for (i = 0; i < hisi_hba->queue_count; i++)
                hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK+0x4*i, 0);
 
@@ -824,7 +901,7 @@ static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
                hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x10);
                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, CHL_INT2, 0xfff87fff);
                hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
                hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
                hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8ffffbff);
@@ -2007,8 +2084,9 @@ static irqreturn_t int_chnl_int_v2_hw(int irq_no, void *p)
                        if (irq_value1) {
                                if (irq_value1 & (CHL_INT1_DMAC_RX_ECC_ERR_MSK |
                                                  CHL_INT1_DMAC_TX_ECC_ERR_MSK))
-                                       panic("%s: DMAC RX/TX ecc bad error! (0x%x)",
-                                               dev_name(dev), irq_value1);
+                                       panic("%s: DMAC RX/TX ecc bad error!\
+                                              (0x%x)",
+                                             dev_name(dev), irq_value1);
 
                                hisi_sas_phy_write32(hisi_hba, phy_no,
                                                     CHL_INT1, irq_value1);
@@ -2039,6 +2117,318 @@ static irqreturn_t int_chnl_int_v2_hw(int irq_no, void *p)
        return IRQ_HANDLED;
 }
 
+static void
+one_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba, u32 irq_value)
+{
+       struct device *dev = &hisi_hba->pdev->dev;
+       u32 reg_val;
+
+       if (irq_value & BIT(SAS_ECC_INTR_DQE_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_DQE_ECC_ADDR);
+               dev_warn(dev, "hgc_dqe_acc1b_intr found: \
+                              Ram address is 0x%08X\n",
+                        (reg_val & HGC_DQE_ECC_1B_ADDR_MSK) >>
+                        HGC_DQE_ECC_1B_ADDR_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_IOST_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR);
+               dev_warn(dev, "hgc_iost_acc1b_intr found: \
+                              Ram address is 0x%08X\n",
+                        (reg_val & HGC_IOST_ECC_1B_ADDR_MSK) >>
+                        HGC_IOST_ECC_1B_ADDR_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_ITCT_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR);
+               dev_warn(dev, "hgc_itct_acc1b_intr found: \
+                              Ram address is 0x%08X\n",
+                        (reg_val & HGC_ITCT_ECC_1B_ADDR_MSK) >>
+                        HGC_ITCT_ECC_1B_ADDR_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
+               dev_warn(dev, "hgc_iostl_acc1b_intr found: \
+                              memory address is 0x%08X\n",
+                        (reg_val & HGC_LM_DFX_STATUS2_IOSTLIST_MSK) >>
+                        HGC_LM_DFX_STATUS2_IOSTLIST_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
+               dev_warn(dev, "hgc_itctl_acc1b_intr found: \
+                              memory address is 0x%08X\n",
+                        (reg_val & HGC_LM_DFX_STATUS2_ITCTLIST_MSK) >>
+                        HGC_LM_DFX_STATUS2_ITCTLIST_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_CQE_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_CQE_ECC_ADDR);
+               dev_warn(dev, "hgc_cqe_acc1b_intr found: \
+                              Ram address is 0x%08X\n",
+                        (reg_val & HGC_CQE_ECC_1B_ADDR_MSK) >>
+                        HGC_CQE_ECC_1B_ADDR_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
+               dev_warn(dev, "rxm_mem0_acc1b_intr found: \
+                              memory address is 0x%08X\n",
+                        (reg_val & HGC_RXM_DFX_STATUS14_MEM0_MSK) >>
+                        HGC_RXM_DFX_STATUS14_MEM0_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
+               dev_warn(dev, "rxm_mem1_acc1b_intr found: \
+                              memory address is 0x%08X\n",
+                        (reg_val & HGC_RXM_DFX_STATUS14_MEM1_MSK) >>
+                        HGC_RXM_DFX_STATUS14_MEM1_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
+               dev_warn(dev, "rxm_mem2_acc1b_intr found: \
+                              memory address is 0x%08X\n",
+                        (reg_val & HGC_RXM_DFX_STATUS14_MEM2_MSK) >>
+                        HGC_RXM_DFX_STATUS14_MEM2_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS15);
+               dev_warn(dev, "rxm_mem3_acc1b_intr found: \
+                              memory address is 0x%08X\n",
+                        (reg_val & HGC_RXM_DFX_STATUS15_MEM3_MSK) >>
+                        HGC_RXM_DFX_STATUS15_MEM3_OFF);
+       }
+
+}
+
+static void multi_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba,
+               u32 irq_value)
+{
+       u32 reg_val;
+       struct device *dev = &hisi_hba->pdev->dev;
+
+       if (irq_value & BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_DQE_ECC_ADDR);
+               panic("%s: hgc_dqe_accbad_intr (0x%x) found: \
+                      Ram address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_DQE_ECC_MB_ADDR_MSK) >>
+                     HGC_DQE_ECC_MB_ADDR_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_IOST_ECC_ADDR);
+               panic("%s: hgc_iost_accbad_intr (0x%x) found: \
+                      Ram address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_IOST_ECC_MB_ADDR_MSK) >>
+                     HGC_IOST_ECC_MB_ADDR_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_ITCT_ECC_ADDR);
+               panic("%s: hgc_itct_accbad_intr (0x%x) found: \
+                      Ram address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_ITCT_ECC_MB_ADDR_MSK) >>
+                     HGC_ITCT_ECC_MB_ADDR_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
+               panic("%s: hgc_iostl_accbad_intr (0x%x) found: \
+                      memory address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_LM_DFX_STATUS2_IOSTLIST_MSK) >>
+                     HGC_LM_DFX_STATUS2_IOSTLIST_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_LM_DFX_STATUS2);
+               panic("%s: hgc_itctl_accbad_intr (0x%x) found: \
+                      memory address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_LM_DFX_STATUS2_ITCTLIST_MSK) >>
+                     HGC_LM_DFX_STATUS2_ITCTLIST_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_CQE_ECC_ADDR);
+               panic("%s: hgc_cqe_accbad_intr (0x%x) found: \
+                      Ram address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_CQE_ECC_MB_ADDR_MSK) >>
+                     HGC_CQE_ECC_MB_ADDR_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
+               panic("%s: rxm_mem0_accbad_intr (0x%x) found: \
+                      memory address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_RXM_DFX_STATUS14_MEM0_MSK) >>
+                     HGC_RXM_DFX_STATUS14_MEM0_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
+               panic("%s: rxm_mem1_accbad_intr (0x%x) found: \
+                      memory address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_RXM_DFX_STATUS14_MEM1_MSK) >>
+                     HGC_RXM_DFX_STATUS14_MEM1_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS14);
+               panic("%s: rxm_mem2_accbad_intr (0x%x) found: \
+                      memory address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_RXM_DFX_STATUS14_MEM2_MSK) >>
+                     HGC_RXM_DFX_STATUS14_MEM2_OFF);
+       }
+
+       if (irq_value & BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF)) {
+               reg_val = hisi_sas_read32(hisi_hba, HGC_RXM_DFX_STATUS15);
+               panic("%s: rxm_mem3_accbad_intr (0x%x) found: \
+                      memory address is 0x%08X\n",
+                     dev_name(dev), irq_value,
+                     (reg_val & HGC_RXM_DFX_STATUS15_MEM3_MSK) >>
+                     HGC_RXM_DFX_STATUS15_MEM3_OFF);
+       }
+
+}
+
+static irqreturn_t fatal_ecc_int_v2_hw(int irq_no, void *p)
+{
+       struct hisi_hba *hisi_hba = p;
+       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, irq_msk | 0xffffffff);
+
+       irq_value = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
+       if (irq_value) {
+               one_bit_ecc_error_process_v2_hw(hisi_hba, irq_value);
+               multi_bit_ecc_error_process_v2_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);
+
+       return IRQ_HANDLED;
+}
+
+#define AXI_ERR_NR     8
+static const char axi_err_info[AXI_ERR_NR][32] = {
+       "IOST_AXI_W_ERR",
+       "IOST_AXI_R_ERR",
+       "ITCT_AXI_W_ERR",
+       "ITCT_AXI_R_ERR",
+       "SATA_AXI_W_ERR",
+       "SATA_AXI_R_ERR",
+       "DQE_AXI_R_ERR",
+       "CQE_AXI_W_ERR"
+};
+
+#define FIFO_ERR_NR    5
+static const char fifo_err_info[FIFO_ERR_NR][32] = {
+       "CQE_WINFO_FIFO",
+       "CQE_MSG_FIFIO",
+       "GETDQE_FIFO",
+       "CMDP_FIFO",
+       "AWTCTRL_FIFO"
+};
+
+static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p)
+{
+       struct hisi_hba *hisi_hba = p;
+       u32 irq_value, irq_msk, err_value;
+       struct device *dev = &hisi_hba->pdev->dev;
+
+       irq_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
+       hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk | 0xfffffffe);
+
+       irq_value = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
+       if (irq_value) {
+               if (irq_value & BIT(ENT_INT_SRC3_WP_DEPTH_OFF)) {
+                       hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
+                                       1 << ENT_INT_SRC3_WP_DEPTH_OFF);
+                       panic("%s: write pointer and depth error (0x%x) \
+                              found!\n",
+                             dev_name(dev), irq_value);
+               }
+
+               if (irq_value & BIT(ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF)) {
+                       hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
+                                        1 <<
+                                        ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF);
+                       panic("%s: iptt no match slot error (0x%x) found!\n",
+                             dev_name(dev), irq_value);
+               }
+
+               if (irq_value & BIT(ENT_INT_SRC3_RP_DEPTH_OFF))
+                       panic("%s: read pointer and depth error (0x%x) \
+                              found!\n",
+                             dev_name(dev), irq_value);
+
+               if (irq_value & BIT(ENT_INT_SRC3_AXI_OFF)) {
+                       int i;
+
+                       hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
+                                       1 << ENT_INT_SRC3_AXI_OFF);
+                       err_value = hisi_sas_read32(hisi_hba,
+                                                   HGC_AXI_FIFO_ERR_INFO);
+
+                       for (i = 0; i < AXI_ERR_NR; i++) {
+                               if (err_value & BIT(i))
+                                       panic("%s: %s (0x%x) found!\n",
+                                              dev_name(dev),
+                                             axi_err_info[i], irq_value);
+                       }
+               }
+
+               if (irq_value & BIT(ENT_INT_SRC3_FIFO_OFF)) {
+                       int i;
+
+                       hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
+                                       1 << ENT_INT_SRC3_FIFO_OFF);
+                       err_value = hisi_sas_read32(hisi_hba,
+                                                   HGC_AXI_FIFO_ERR_INFO);
+
+                       for (i = 0; i < FIFO_ERR_NR; i++) {
+                               if (err_value & BIT(AXI_ERR_NR + i))
+                                       panic("%s: %s (0x%x) found!\n",
+                                             dev_name(dev),
+                                             fifo_err_info[i], irq_value);
+                       }
+
+               }
+
+               if (irq_value & BIT(ENT_INT_SRC3_LM_OFF)) {
+                       hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
+                                       1 << ENT_INT_SRC3_LM_OFF);
+                       panic("%s: LM add/fetch list error (0x%x) found!\n",
+                             dev_name(dev), irq_value);
+               }
+
+               if (irq_value & BIT(ENT_INT_SRC3_ABT_OFF)) {
+                       hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
+                                       1 << ENT_INT_SRC3_ABT_OFF);
+                       panic("%s: SAS_HGC_ABT fetch LM list error (0x%x) found!\n",
+                             dev_name(dev), irq_value);
+               }
+       }
+
+       hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk);
+
+       return IRQ_HANDLED;
+}
+
 static irqreturn_t cq_interrupt_v2_hw(int irq_no, void *p)
 {
        struct hisi_sas_cq *cq = p;
@@ -2192,6 +2582,11 @@ static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
        int_chnl_int_v2_hw,
 };
 
+static irq_handler_t fatal_interrupts[HISI_SAS_FATAL_INT_NR] = {
+       fatal_ecc_int_v2_hw,
+       fatal_axi_int_v2_hw
+};
+
 /**
  * There is a limitation in the hip06 chipset that we need
  * to map in all mbigen interrupts, even if they are not used.
@@ -2247,6 +2642,26 @@ static int interrupt_init_v2_hw(struct hisi_hba *hisi_hba)
                }
        }
 
+       for (i = 0; i < HISI_SAS_FATAL_INT_NR; i++) {
+               int idx = i;
+
+               irq = irq_map[idx + 81];
+               if (!irq) {
+                       dev_err(dev, "irq init: fail map fatal interrupt %d\n",
+                               idx);
+                       return -ENOENT;
+               }
+
+               rc = devm_request_irq(dev, irq, fatal_interrupts[i], 0,
+                                     DRV_NAME " fatal", hisi_hba);
+               if (rc) {
+                       dev_err(dev,
+                               "irq init: could not request fatal interrupt %d, rc=%d\n",
+                               irq, rc);
+                       return -ENOENT;
+               }
+       }
+
        for (i = 0; i < hisi_hba->queue_count; i++) {
                int idx = i + 96; /* First cq interrupt is irq96 */