1 files changed, 82 insertions, 10 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
index 5fed06ffcc6b..4baa300121d8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
@@ -21,24 +21,19 @@
  *
  */
 
+#include <linux/devcoredump.h>
+#include <generated/utsrelease.h>
+
 #include "amdgpu_reset.h"
 #include "aldebaran.h"
 #include "sienna_cichlid.h"
 #include "smu_v13_0_10.h"
 
-int amdgpu_reset_add_handler(struct amdgpu_reset_control *reset_ctl,
-			     struct amdgpu_reset_handler *handler)
-{
-	/* TODO: Check if handler exists? */
-	list_add_tail(&handler->handler_list, &reset_ctl->reset_handlers);
-	return 0;
-}
-
 int amdgpu_reset_init(struct amdgpu_device *adev)
 {
 	int ret = 0;
 
-	switch (adev->ip_versions[MP1_HWIP][0]) {
+	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
 	case IP_VERSION(13, 0, 2):
 	case IP_VERSION(13, 0, 6):
 		ret = aldebaran_reset_init(adev);
@@ -60,7 +55,7 @@ int amdgpu_reset_fini(struct amdgpu_device *adev)
 {
 	int ret = 0;
 
-	switch (adev->ip_versions[MP1_HWIP][0]) {
+	switch (amdgpu_ip_version(adev, MP1_HWIP, 0)) {
 	case IP_VERSION(13, 0, 2):
 	case IP_VERSION(13, 0, 6):
 		ret = aldebaran_reset_fini(adev);
@@ -167,5 +162,82 @@ void amdgpu_device_unlock_reset_domain(struct amdgpu_reset_domain *reset_domain)
 	up_write(&reset_domain->sem);
 }
 
+#ifndef CONFIG_DEV_COREDUMP
+void amdgpu_coredump(struct amdgpu_device *adev, bool vram_lost,
+		     struct amdgpu_reset_context *reset_context)
+{
+}
+#else
+static ssize_t
+amdgpu_devcoredump_read(char *buffer, loff_t offset, size_t count,
+			void *data, size_t datalen)
+{
+	struct drm_printer p;
+	struct amdgpu_coredump_info *coredump = data;
+	struct drm_print_iterator iter;
+	int i;
+
+	iter.data = buffer;
+	iter.offset = 0;
+	iter.start = offset;
+	iter.remain = count;
+
+	p = drm_coredump_printer(&iter);
+
+	drm_printf(&p, "**** AMDGPU Device Coredump ****\n");
+	drm_printf(&p, "version: " AMDGPU_COREDUMP_VERSION "\n");
+	drm_printf(&p, "kernel: " UTS_RELEASE "\n");
+	drm_printf(&p, "module: " KBUILD_MODNAME "\n");
+	drm_printf(&p, "time: %lld.%09ld\n", coredump->reset_time.tv_sec,
+			coredump->reset_time.tv_nsec);
+
+	if (coredump->reset_task_info.pid)
+		drm_printf(&p, "process_name: %s PID: %d\n",
+			   coredump->reset_task_info.process_name,
+			   coredump->reset_task_info.pid);
+
+	if (coredump->reset_vram_lost)
+		drm_printf(&p, "VRAM is lost due to GPU reset!\n");
+	if (coredump->adev->reset_info.num_regs) {
+		drm_printf(&p, "AMDGPU register dumps:\nOffset:     Value:\n");
+
+		for (i = 0; i < coredump->adev->reset_info.num_regs; i++)
+			drm_printf(&p, "0x%08x: 0x%08x\n",
+				   coredump->adev->reset_info.reset_dump_reg_list[i],
+				   coredump->adev->reset_info.reset_dump_reg_value[i]);
+	}
+
+	return count - iter.remain;
+}
+
+static void amdgpu_devcoredump_free(void *data)
+{
+	kfree(data);
+}
+
+void amdgpu_coredump(struct amdgpu_device *adev, bool vram_lost,
+		     struct amdgpu_reset_context *reset_context)
+{
+	struct amdgpu_coredump_info *coredump;
+	struct drm_device *dev = adev_to_drm(adev);
+
+	coredump = kzalloc(sizeof(*coredump), GFP_NOWAIT);
 
+	if (!coredump) {
+		DRM_ERROR("%s: failed to allocate memory for coredump\n", __func__);
+		return;
+	}
 
+	coredump->reset_vram_lost = vram_lost;
+
+	if (reset_context->job && reset_context->job->vm)
+		coredump->reset_task_info = reset_context->job->vm->task_info;
+
+	coredump->adev = adev;
+
+	ktime_get_ts64(&coredump->reset_time);
+
+	dev_coredumpm(dev->dev, THIS_MODULE, coredump, 0, GFP_NOWAIT,
+		      amdgpu_devcoredump_read, amdgpu_devcoredump_free);
+}
+#endif