drm/amdgpu: add poison mode query for DF (v2)

Add ras poison mode query interface for DF.

v2: replace RREG32_PCIE with RREG32_SOC15.
Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_df.h

@@ -52,6 +52,7 @@ struct amdgpu_df_funcs {
 	uint64_t (*get_fica)(struct amdgpu_device *adev, uint32_t ficaa_val);
 	void (*set_fica)(struct amdgpu_device *adev, uint32_t ficaa_val,
 			 uint32_t ficadl_val, uint32_t ficadh_val);
+	bool (*query_ras_poison_mode)(struct amdgpu_device *adev);
 };
 
 struct amdgpu_df {

drivers/gpu/drm/amd/amdgpu/df_v3_6.c

@@ -637,6 +637,36 @@ static void df_v3_6_pmc_get_count(struct amdgpu_device *adev,
 	}
 }
 
+static bool df_v3_6_query_ras_poison_mode(struct amdgpu_device *adev)
+{
+	uint32_t hw_assert_msklo, hw_assert_mskhi;
+	uint32_t v0, v1, v28, v31;
+
+	hw_assert_msklo = RREG32_SOC15(DF, 0,
+				mmDF_CS_UMC_AON0_HardwareAssertMaskLow);
+	hw_assert_mskhi = RREG32_SOC15(DF, 0,
+				mmDF_NCS_PG0_HardwareAssertMaskHigh);
+
+	v0 = REG_GET_FIELD(hw_assert_msklo,
+		DF_CS_UMC_AON0_HardwareAssertMaskLow, HWAssertMsk0);
+	v1 = REG_GET_FIELD(hw_assert_msklo,
+		DF_CS_UMC_AON0_HardwareAssertMaskLow, HWAssertMsk1);
+	v28 = REG_GET_FIELD(hw_assert_mskhi,
+		DF_NCS_PG0_HardwareAssertMaskHigh, HWAssertMsk28);
+	v31 = REG_GET_FIELD(hw_assert_mskhi,
+		DF_NCS_PG0_HardwareAssertMaskHigh, HWAssertMsk31);
+
+	if (v0 && v1 && v28 && v31)
+		return true;
+	else if (!v0 && !v1 && !v28 && !v31)
+		return false;
+	else {
+		dev_warn(adev->dev, "DF poison setting is inconsistent(%d:%d:%d:%d)!\n",
+				v0, v1, v28, v31);
+		return false;
+	}
+}
+
 const struct amdgpu_df_funcs df_v3_6_funcs = {
 	.sw_init = df_v3_6_sw_init,
 	.sw_fini = df_v3_6_sw_fini,
@@ -651,4 +681,5 @@ const struct amdgpu_df_funcs df_v3_6_funcs = {
 	.pmc_get_count = df_v3_6_pmc_get_count,
 	.get_fica = df_v3_6_get_fica,
 	.set_fica = df_v3_6_set_fica,
+	.query_ras_poison_mode = df_v3_6_query_ras_poison_mode,
 };

drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_offset.h

@@ -77,4 +77,9 @@
 #define smnDF_CS_UMC_AON0_DramBaseAddress0 	0x1c110UL
 #define smnDF_CS_UMC_AON0_DramLimitAddress0 	0x1c114UL
 
+#define mmDF_CS_UMC_AON0_HardwareAssertMaskLow                                                         0x067e
+#define mmDF_CS_UMC_AON0_HardwareAssertMaskLow_BASE_IDX                                                0
+#define mmDF_NCS_PG0_HardwareAssertMaskHigh                                                            0x067f
+#define mmDF_NCS_PG0_HardwareAssertMaskHigh_BASE_IDX                                                   0
+
 #endif

drivers/gpu/drm/amd/include/asic_reg/df/df_3_6_sh_mask.h

@@ -62,4 +62,136 @@
 #define DF_CS_UMC_AON0_DramLimitAddress0__AllowReqIO_MASK                                                     0x00000400L
 #define DF_CS_UMC_AON0_DramLimitAddress0__DramLimitAddr_MASK                                                  0xFFFFF000L
 
+//DF_CS_UMC_AON0_HardwareAssertMaskLow
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk0__SHIFT                                             0x0
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk1__SHIFT                                             0x1
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk2__SHIFT                                             0x2
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk3__SHIFT                                             0x3
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk4__SHIFT                                             0x4
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk5__SHIFT                                             0x5
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk6__SHIFT                                             0x6
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk7__SHIFT                                             0x7
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk8__SHIFT                                             0x8
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk9__SHIFT                                             0x9
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk10__SHIFT                                            0xa
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk11__SHIFT                                            0xb
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk12__SHIFT                                            0xc
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk13__SHIFT                                            0xd
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk14__SHIFT                                            0xe
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk15__SHIFT                                            0xf
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk16__SHIFT                                            0x10
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk17__SHIFT                                            0x11
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk18__SHIFT                                            0x12
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk19__SHIFT                                            0x13
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk20__SHIFT                                            0x14
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk21__SHIFT                                            0x15
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk22__SHIFT                                            0x16
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk23__SHIFT                                            0x17
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk24__SHIFT                                            0x18
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk25__SHIFT                                            0x19
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk26__SHIFT                                            0x1a
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk27__SHIFT                                            0x1b
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk28__SHIFT                                            0x1c
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk29__SHIFT                                            0x1d
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk30__SHIFT                                            0x1e
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk31__SHIFT                                            0x1f
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk0_MASK                                               0x00000001L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk1_MASK                                               0x00000002L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk2_MASK                                               0x00000004L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk3_MASK                                               0x00000008L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk4_MASK                                               0x00000010L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk5_MASK                                               0x00000020L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk6_MASK                                               0x00000040L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk7_MASK                                               0x00000080L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk8_MASK                                               0x00000100L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk9_MASK                                               0x00000200L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk10_MASK                                              0x00000400L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk11_MASK                                              0x00000800L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk12_MASK                                              0x00001000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk13_MASK                                              0x00002000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk14_MASK                                              0x00004000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk15_MASK                                              0x00008000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk16_MASK                                              0x00010000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk17_MASK                                              0x00020000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk18_MASK                                              0x00040000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk19_MASK                                              0x00080000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk20_MASK                                              0x00100000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk21_MASK                                              0x00200000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk22_MASK                                              0x00400000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk23_MASK                                              0x00800000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk24_MASK                                              0x01000000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk25_MASK                                              0x02000000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk26_MASK                                              0x04000000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk27_MASK                                              0x08000000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk28_MASK                                              0x10000000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk29_MASK                                              0x20000000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk30_MASK                                              0x40000000L
+#define DF_CS_UMC_AON0_HardwareAssertMaskLow__HWAssertMsk31_MASK                                              0x80000000L
+
+//DF_NCS_PG0_HardwareAssertMaskHigh
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk0__SHIFT                                                0x0
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk1__SHIFT                                                0x1
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk2__SHIFT                                                0x2
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk3__SHIFT                                                0x3
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk4__SHIFT                                                0x4
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk5__SHIFT                                                0x5
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk6__SHIFT                                                0x6
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk7__SHIFT                                                0x7
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk8__SHIFT                                                0x8
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk9__SHIFT                                                0x9
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk10__SHIFT                                               0xa
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk11__SHIFT                                               0xb
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk12__SHIFT                                               0xc
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk13__SHIFT                                               0xd
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk14__SHIFT                                               0xe
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk15__SHIFT                                               0xf
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk16__SHIFT                                               0x10
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk17__SHIFT                                               0x11
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk18__SHIFT                                               0x12
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk19__SHIFT                                               0x13
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk20__SHIFT                                               0x14
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk21__SHIFT                                               0x15
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk22__SHIFT                                               0x16
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk23__SHIFT                                               0x17
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk24__SHIFT                                               0x18
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk25__SHIFT                                               0x19
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk26__SHIFT                                               0x1a
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk27__SHIFT                                               0x1b
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk28__SHIFT                                               0x1c
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk29__SHIFT                                               0x1d
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk30__SHIFT                                               0x1e
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk31__SHIFT                                               0x1f
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk0_MASK                                                  0x00000001L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk1_MASK                                                  0x00000002L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk2_MASK                                                  0x00000004L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk3_MASK                                                  0x00000008L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk4_MASK                                                  0x00000010L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk5_MASK                                                  0x00000020L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk6_MASK                                                  0x00000040L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk7_MASK                                                  0x00000080L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk8_MASK                                                  0x00000100L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk9_MASK                                                  0x00000200L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk10_MASK                                                 0x00000400L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk11_MASK                                                 0x00000800L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk12_MASK                                                 0x00001000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk13_MASK                                                 0x00002000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk14_MASK                                                 0x00004000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk15_MASK                                                 0x00008000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk16_MASK                                                 0x00010000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk17_MASK                                                 0x00020000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk18_MASK                                                 0x00040000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk19_MASK                                                 0x00080000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk20_MASK                                                 0x00100000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk21_MASK                                                 0x00200000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk22_MASK                                                 0x00400000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk23_MASK                                                 0x00800000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk24_MASK                                                 0x01000000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk25_MASK                                                 0x02000000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk26_MASK                                                 0x04000000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk27_MASK                                                 0x08000000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk28_MASK                                                 0x10000000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk29_MASK                                                 0x20000000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk30_MASK                                                 0x40000000L
+#define DF_NCS_PG0_HardwareAssertMaskHigh__HWAssertMsk31_MASK                                                 0x80000000L
+
 #endif