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build/patch/kernel/archive/wsl2-arm64-6.6/1689-drivers-hv-dxgkrnl-Ioctl-to-put-device-to-error-state.patch
2025-01-05 10:15:14 +01:00

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5.9 KiB
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Iouri Tarassov <iourit@linux.microsoft.com>
Date: Wed, 9 Feb 2022 10:57:57 -0800
Subject: drivers: hv: dxgkrnl: Ioctl to put device to error state
Implement the ioctl to put the virtual compute device to the error
state (LX_DXMARKDEVICEASERROR).
This ioctl is used by the user mode driver when it detects an
unrecoverable error condition.
When a compute device is put to the error state, all subsequent
ioctl calls to the device will fail.
Signed-off-by: Iouri Tarassov <iourit@linux.microsoft.com>
[kms: Forward port to v6.1]
Signed-off-by: Kelsey Steele <kelseysteele@microsoft.com>
---
drivers/hv/dxgkrnl/dxgkrnl.h | 3 +
drivers/hv/dxgkrnl/dxgvmbus.c | 25 ++++++
drivers/hv/dxgkrnl/dxgvmbus.h | 5 ++
drivers/hv/dxgkrnl/ioctl.c | 38 +++++++++-
include/uapi/misc/d3dkmthk.h | 12 +++
5 files changed, 82 insertions(+), 1 deletion(-)
diff --git a/drivers/hv/dxgkrnl/dxgkrnl.h b/drivers/hv/dxgkrnl/dxgkrnl.h
index 111111111111..222222222222 100644
--- a/drivers/hv/dxgkrnl/dxgkrnl.h
+++ b/drivers/hv/dxgkrnl/dxgkrnl.h
@@ -856,6 +856,9 @@ int dxgvmb_send_update_alloc_property(struct dxgprocess *process,
struct d3dddi_updateallocproperty *args,
struct d3dddi_updateallocproperty *__user
inargs);
+int dxgvmb_send_mark_device_as_error(struct dxgprocess *process,
+ struct dxgadapter *adapter,
+ struct d3dkmt_markdeviceaserror *args);
int dxgvmb_send_set_allocation_priority(struct dxgprocess *process,
struct dxgadapter *adapter,
struct d3dkmt_setallocationpriority *a);
diff --git a/drivers/hv/dxgkrnl/dxgvmbus.c b/drivers/hv/dxgkrnl/dxgvmbus.c
index 111111111111..222222222222 100644
--- a/drivers/hv/dxgkrnl/dxgvmbus.c
+++ b/drivers/hv/dxgkrnl/dxgvmbus.c
@@ -2730,6 +2730,31 @@ int dxgvmb_send_update_alloc_property(struct dxgprocess *process,
return ret;
}
+int dxgvmb_send_mark_device_as_error(struct dxgprocess *process,
+ struct dxgadapter *adapter,
+ struct d3dkmt_markdeviceaserror *args)
+{
+ struct dxgkvmb_command_markdeviceaserror *command;
+ int ret;
+ struct dxgvmbusmsg msg = {.hdr = NULL};
+
+ ret = init_message(&msg, adapter, process, sizeof(*command));
+ if (ret)
+ goto cleanup;
+ command = (void *)msg.msg;
+
+ command_vgpu_to_host_init2(&command->hdr,
+ DXGK_VMBCOMMAND_MARKDEVICEASERROR,
+ process->host_handle);
+ command->args = *args;
+ ret = dxgvmb_send_sync_msg_ntstatus(msg.channel, msg.hdr, msg.size);
+cleanup:
+ free_message(&msg, process);
+ if (ret)
+ DXG_TRACE("err: %d", ret);
+ return ret;
+}
+
int dxgvmb_send_set_allocation_priority(struct dxgprocess *process,
struct dxgadapter *adapter,
struct d3dkmt_setallocationpriority *args)
diff --git a/drivers/hv/dxgkrnl/dxgvmbus.h b/drivers/hv/dxgkrnl/dxgvmbus.h
index 111111111111..222222222222 100644
--- a/drivers/hv/dxgkrnl/dxgvmbus.h
+++ b/drivers/hv/dxgkrnl/dxgvmbus.h
@@ -627,6 +627,11 @@ struct dxgkvmb_command_updateallocationproperty_return {
struct ntstatus status;
};
+struct dxgkvmb_command_markdeviceaserror {
+ struct dxgkvmb_command_vgpu_to_host hdr;
+ struct d3dkmt_markdeviceaserror args;
+};
+
/* Returns ntstatus */
struct dxgkvmb_command_changevideomemoryreservation {
struct dxgkvmb_command_vgpu_to_host hdr;
diff --git a/drivers/hv/dxgkrnl/ioctl.c b/drivers/hv/dxgkrnl/ioctl.c
index 111111111111..222222222222 100644
--- a/drivers/hv/dxgkrnl/ioctl.c
+++ b/drivers/hv/dxgkrnl/ioctl.c
@@ -3341,6 +3341,42 @@ dxgkio_update_alloc_property(struct dxgprocess *process, void *__user inargs)
return ret;
}
+static int
+dxgkio_mark_device_as_error(struct dxgprocess *process, void *__user inargs)
+{
+ struct d3dkmt_markdeviceaserror args;
+ struct dxgadapter *adapter = NULL;
+ struct dxgdevice *device = NULL;
+ int ret;
+
+ ret = copy_from_user(&args, inargs, sizeof(args));
+ if (ret) {
+ DXG_ERR("failed to copy input args");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+ device = dxgprocess_device_by_handle(process, args.device);
+ if (device == NULL) {
+ ret = -EINVAL;
+ goto cleanup;
+ }
+ adapter = device->adapter;
+ ret = dxgadapter_acquire_lock_shared(adapter);
+ if (ret < 0) {
+ adapter = NULL;
+ goto cleanup;
+ }
+ device->execution_state = _D3DKMT_DEVICEEXECUTION_RESET;
+ ret = dxgvmb_send_mark_device_as_error(process, adapter, &args);
+cleanup:
+ if (adapter)
+ dxgadapter_release_lock_shared(adapter);
+ if (device)
+ kref_put(&device->device_kref, dxgdevice_release);
+ DXG_TRACE("ioctl:%s %d", errorstr(ret), ret);
+ return ret;
+}
+
static int
dxgkio_query_alloc_residency(struct dxgprocess *process, void *__user inargs)
{
@@ -4404,7 +4440,7 @@ static struct ioctl_desc ioctls[] = {
/* 0x23 */ {},
/* 0x24 */ {},
/* 0x25 */ {dxgkio_lock2, LX_DXLOCK2},
-/* 0x26 */ {},
+/* 0x26 */ {dxgkio_mark_device_as_error, LX_DXMARKDEVICEASERROR},
/* 0x27 */ {},
/* 0x28 */ {},
/* 0x29 */ {},
diff --git a/include/uapi/misc/d3dkmthk.h b/include/uapi/misc/d3dkmthk.h
index 111111111111..222222222222 100644
--- a/include/uapi/misc/d3dkmthk.h
+++ b/include/uapi/misc/d3dkmthk.h
@@ -790,6 +790,16 @@ struct d3dkmt_unlock2 {
struct d3dkmthandle allocation;
};
+enum d3dkmt_device_error_reason {
+ _D3DKMT_DEVICE_ERROR_REASON_GENERIC = 0x80000000,
+ _D3DKMT_DEVICE_ERROR_REASON_DRIVER_ERROR = 0x80000006,
+};
+
+struct d3dkmt_markdeviceaserror {
+ struct d3dkmthandle device;
+ enum d3dkmt_device_error_reason reason;
+};
+
enum d3dkmt_standardallocationtype {
_D3DKMT_STANDARDALLOCATIONTYPE_EXISTINGHEAP = 1,
_D3DKMT_STANDARDALLOCATIONTYPE_CROSSADAPTER = 2,
@@ -1290,6 +1300,8 @@ struct d3dkmt_shareobjectwithhost {
_IOWR(0x47, 0x1f, struct d3dkmt_flushheaptransitions)
#define LX_DXLOCK2 \
_IOWR(0x47, 0x25, struct d3dkmt_lock2)
+#define LX_DXMARKDEVICEASERROR \
+ _IOWR(0x47, 0x26, struct d3dkmt_markdeviceaserror)
#define LX_DXQUERYALLOCATIONRESIDENCY \
_IOWR(0x47, 0x2a, struct d3dkmt_queryallocationresidency)
#define LX_DXSETALLOCATIONPRIORITY \
--
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