drm/amdgpu: Add driver infrastructure for MCA RAS

Add MCA specific IP blocks targetting RAS features

Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 125 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/mca_v3_0.c b/drivers/gpu/drm/amd/amdgpu/mca_v3_0.c
new file mode 100644
index 000000000000..058b65730a84
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/mca_v3_0.c
@@ -0,0 +1,125 @@
+/*
+ * Copyright 2021 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+#include "amdgpu_ras.h"
+#include "amdgpu.h"
+#include "amdgpu_mca.h"
+
+#define smnMCMP0_STATUST0 	0x03830408
+#define smnMCMP1_STATUST0 	0x03b30408
+#define smnMCMPIO_STATUST0 	0x0c930408
+
+
+static void mca_v3_0_mp0_query_ras_error_count(struct amdgpu_device *adev,
+					       void *ras_error_status)
+{
+	amdgpu_mca_query_ras_error_count(adev,
+				         smnMCMP0_STATUST0,
+				         ras_error_status);
+}
+
+static int mca_v3_0_mp0_ras_late_init(struct amdgpu_device *adev)
+{
+	return amdgpu_mca_ras_late_init(adev, &adev->mca.mp0);
+}
+
+static void mca_v3_0_mp0_ras_fini(struct amdgpu_device *adev)
+{
+	amdgpu_mca_ras_fini(adev, &adev->mca.mp0);
+}
+
+const struct amdgpu_mca_ras_funcs mca_v3_0_mp0_ras_funcs = {
+	.ras_late_init = mca_v3_0_mp0_ras_late_init,
+	.ras_fini = mca_v3_0_mp0_ras_fini,
+	.query_ras_error_count = mca_v3_0_mp0_query_ras_error_count,
+	.query_ras_error_address = NULL,
+	.ras_block = AMDGPU_RAS_BLOCK__MP0,
+	.sysfs_name = "mp0_err_count",
+};
+
+static void mca_v3_0_mp1_query_ras_error_count(struct amdgpu_device *adev,
+					       void *ras_error_status)
+{
+	amdgpu_mca_query_ras_error_count(adev,
+				         smnMCMP1_STATUST0,
+				         ras_error_status);
+}
+
+static int mca_v3_0_mp1_ras_late_init(struct amdgpu_device *adev)
+{
+	return amdgpu_mca_ras_late_init(adev, &adev->mca.mp1);
+}
+
+static void mca_v3_0_mp1_ras_fini(struct amdgpu_device *adev)
+{
+	amdgpu_mca_ras_fini(adev, &adev->mca.mp1);
+}
+
+const struct amdgpu_mca_ras_funcs mca_v3_0_mp1_ras_funcs = {
+	.ras_late_init = mca_v3_0_mp1_ras_late_init,
+	.ras_fini = mca_v3_0_mp1_ras_fini,
+	.query_ras_error_count = mca_v3_0_mp1_query_ras_error_count,
+	.query_ras_error_address = NULL,
+	.ras_block = AMDGPU_RAS_BLOCK__MP1,
+	.sysfs_name = "mp1_err_count",
+};
+
+static void mca_v3_0_mpio_query_ras_error_count(struct amdgpu_device *adev,
+					       void *ras_error_status)
+{
+	amdgpu_mca_query_ras_error_count(adev,
+				         smnMCMPIO_STATUST0,
+				         ras_error_status);
+}
+
+static int mca_v3_0_mpio_ras_late_init(struct amdgpu_device *adev)
+{
+	return amdgpu_mca_ras_late_init(adev, &adev->mca.mpio);
+}
+
+static void mca_v3_0_mpio_ras_fini(struct amdgpu_device *adev)
+{
+	amdgpu_mca_ras_fini(adev, &adev->mca.mpio);
+}
+
+const struct amdgpu_mca_ras_funcs mca_v3_0_mpio_ras_funcs = {
+	.ras_late_init = mca_v3_0_mpio_ras_late_init,
+	.ras_fini = mca_v3_0_mpio_ras_fini,
+	.query_ras_error_count = mca_v3_0_mpio_query_ras_error_count,
+	.query_ras_error_address = NULL,
+	.ras_block = AMDGPU_RAS_BLOCK__MPIO,
+	.sysfs_name = "mpio_err_count",
+};
+
+
+static void mca_v3_0_init(struct amdgpu_device *adev)
+{
+	struct amdgpu_mca *mca = &adev->mca;
+
+	mca->mp0.ras_funcs = &mca_v3_0_mp0_ras_funcs;
+	mca->mp1.ras_funcs = &mca_v3_0_mp1_ras_funcs;
+	mca->mpio.ras_funcs = &mca_v3_0_mpio_ras_funcs;
+}
+
+const struct amdgpu_mca_funcs mca_v3_0_funcs = {
+	.init = mca_v3_0_init,
+};
\ No newline at end of file