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095e9c68e81ccf7bf378afa7e69112d69784d40a
build/patch/kernel/archive/wsl2-arm64-6.1/1681-drivers-hv-dxgkrnl-Creation-of-paging-queue-objects.patch
Ricardo Pardini e6913f6ca4 wsl2-arm64/current: rewrite-kernel-patches, no changes
2025-01-05 10:15:14 +01:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Iouri Tarassov <iourit@linux.microsoft.com>
Date: Thu, 20 Jan 2022 15:15:18 -0800
Subject: drivers: hv: dxgkrnl: Creation of paging queue objects.
Implement ioctls for creation/destruction of the paging queue objects:
- LX_DXCREATEPAGINGQUEUE,
- LX_DXDESTROYPAGINGQUEUE
Paging queue objects (dxgpagingqueue) contain operations, which
handle residency of device accessible allocations. An allocation is
resident, when the device has access to it. For example, the allocation
resides in local device memory or device page tables point to system
memory which is made non-pageable.
Each paging queue has an associated monitored fence sync object, which
is used to detect when a paging operation is completed.
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/dxgadapter.c | 89 +++++
drivers/hv/dxgkrnl/dxgkrnl.h | 24 ++
drivers/hv/dxgkrnl/dxgprocess.c | 4 +
drivers/hv/dxgkrnl/dxgvmbus.c | 74 ++++
drivers/hv/dxgkrnl/dxgvmbus.h | 17 +
drivers/hv/dxgkrnl/ioctl.c | 189 +++++++++-
include/uapi/misc/d3dkmthk.h | 27 ++
7 files changed, 418 insertions(+), 6 deletions(-)
diff --git a/drivers/hv/dxgkrnl/dxgadapter.c b/drivers/hv/dxgkrnl/dxgadapter.c
index 111111111111..222222222222 100644
--- a/drivers/hv/dxgkrnl/dxgadapter.c
+++ b/drivers/hv/dxgkrnl/dxgadapter.c
@@ -278,6 +278,7 @@ struct dxgdevice *dxgdevice_create(struct dxgadapter *adapter,
void dxgdevice_stop(struct dxgdevice *device)
{
struct dxgallocation *alloc;
+ struct dxgpagingqueue *pqueue;
struct dxgsyncobject *syncobj;
DXG_TRACE("Stopping device: %p", device);
@@ -288,6 +289,10 @@ void dxgdevice_stop(struct dxgdevice *device)
dxgdevice_release_alloc_list_lock(device);
hmgrtable_lock(&device->process->handle_table, DXGLOCK_EXCL);
+ list_for_each_entry(pqueue, &device->pqueue_list_head,
+ pqueue_list_entry) {
+ dxgpagingqueue_stop(pqueue);
+ }
list_for_each_entry(syncobj, &device->syncobj_list_head,
syncobj_list_entry) {
dxgsyncobject_stop(syncobj);
@@ -375,6 +380,17 @@ void dxgdevice_destroy(struct dxgdevice *device)
dxgdevice_release_context_list_lock(device);
}
+ {
+ struct dxgpagingqueue *tmp;
+ struct dxgpagingqueue *pqueue;
+
+ DXG_TRACE("destroying paging queues");
+ list_for_each_entry_safe(pqueue, tmp, &device->pqueue_list_head,
+ pqueue_list_entry) {
+ dxgpagingqueue_destroy(pqueue);
+ }
+ }
+
/* Guest handles need to be released before the host handles */
hmgrtable_lock(&process->handle_table, DXGLOCK_EXCL);
if (device->handle_valid) {
@@ -708,6 +724,26 @@ void dxgdevice_release(struct kref *refcount)
kfree(device);
}
+void dxgdevice_add_paging_queue(struct dxgdevice *device,
+ struct dxgpagingqueue *entry)
+{
+ dxgdevice_acquire_alloc_list_lock(device);
+ list_add_tail(&entry->pqueue_list_entry, &device->pqueue_list_head);
+ dxgdevice_release_alloc_list_lock(device);
+}
+
+void dxgdevice_remove_paging_queue(struct dxgpagingqueue *pqueue)
+{
+ struct dxgdevice *device = pqueue->device;
+
+ dxgdevice_acquire_alloc_list_lock(device);
+ if (pqueue->pqueue_list_entry.next) {
+ list_del(&pqueue->pqueue_list_entry);
+ pqueue->pqueue_list_entry.next = NULL;
+ }
+ dxgdevice_release_alloc_list_lock(device);
+}
+
void dxgdevice_add_syncobj(struct dxgdevice *device,
struct dxgsyncobject *syncobj)
{
@@ -899,6 +935,59 @@ else
kfree(alloc);
}
+struct dxgpagingqueue *dxgpagingqueue_create(struct dxgdevice *device)
+{
+ struct dxgpagingqueue *pqueue;
+
+ pqueue = kzalloc(sizeof(*pqueue), GFP_KERNEL);
+ if (pqueue) {
+ pqueue->device = device;
+ pqueue->process = device->process;
+ pqueue->device_handle = device->handle;
+ dxgdevice_add_paging_queue(device, pqueue);
+ }
+ return pqueue;
+}
+
+void dxgpagingqueue_stop(struct dxgpagingqueue *pqueue)
+{
+ int ret;
+
+ if (pqueue->mapped_address) {
+ ret = dxg_unmap_iospace(pqueue->mapped_address, PAGE_SIZE);
+ DXG_TRACE("fence is unmapped %d %p",
+ ret, pqueue->mapped_address);
+ pqueue->mapped_address = NULL;
+ }
+}
+
+void dxgpagingqueue_destroy(struct dxgpagingqueue *pqueue)
+{
+ struct dxgprocess *process = pqueue->process;
+
+ DXG_TRACE("Destroying pqueue %p %x", pqueue, pqueue->handle.v);
+
+ dxgpagingqueue_stop(pqueue);
+
+ hmgrtable_lock(&process->handle_table, DXGLOCK_EXCL);
+ if (pqueue->handle.v) {
+ hmgrtable_free_handle(&process->handle_table,
+ HMGRENTRY_TYPE_DXGPAGINGQUEUE,
+ pqueue->handle);
+ pqueue->handle.v = 0;
+ }
+ if (pqueue->syncobj_handle.v) {
+ hmgrtable_free_handle(&process->handle_table,
+ HMGRENTRY_TYPE_MONITOREDFENCE,
+ pqueue->syncobj_handle);
+ pqueue->syncobj_handle.v = 0;
+ }
+ hmgrtable_unlock(&process->handle_table, DXGLOCK_EXCL);
+ if (pqueue->device)
+ dxgdevice_remove_paging_queue(pqueue);
+ kfree(pqueue);
+}
+
struct dxgprocess_adapter *dxgprocess_adapter_create(struct dxgprocess *process,
struct dxgadapter *adapter)
{
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
@@ -104,6 +104,16 @@ int dxgvmbuschannel_init(struct dxgvmbuschannel *ch, struct hv_device *hdev);
void dxgvmbuschannel_destroy(struct dxgvmbuschannel *ch);
void dxgvmbuschannel_receive(void *ctx);
+struct dxgpagingqueue {
+ struct dxgdevice *device;
+ struct dxgprocess *process;
+ struct list_head pqueue_list_entry;
+ struct d3dkmthandle device_handle;
+ struct d3dkmthandle handle;
+ struct d3dkmthandle syncobj_handle;
+ void *mapped_address;
+};
+
/*
* The structure describes an event, which will be signaled by
* a message from host.
@@ -127,6 +137,10 @@ struct dxghosteventcpu {
bool remove_from_list;
};
+struct dxgpagingqueue *dxgpagingqueue_create(struct dxgdevice *device);
+void dxgpagingqueue_destroy(struct dxgpagingqueue *pqueue);
+void dxgpagingqueue_stop(struct dxgpagingqueue *pqueue);
+
/*
* This is GPU synchronization object, which is used to synchronize execution
* between GPU contextx/hardware queues or for tracking GPU execution progress.
@@ -516,6 +530,9 @@ void dxgdevice_remove_alloc_safe(struct dxgdevice *dev,
struct dxgallocation *a);
void dxgdevice_add_resource(struct dxgdevice *dev, struct dxgresource *res);
void dxgdevice_remove_resource(struct dxgdevice *dev, struct dxgresource *res);
+void dxgdevice_add_paging_queue(struct dxgdevice *dev,
+ struct dxgpagingqueue *pqueue);
+void dxgdevice_remove_paging_queue(struct dxgpagingqueue *pqueue);
void dxgdevice_add_syncobj(struct dxgdevice *dev, struct dxgsyncobject *so);
void dxgdevice_remove_syncobj(struct dxgsyncobject *so);
bool dxgdevice_is_active(struct dxgdevice *dev);
@@ -762,6 +779,13 @@ dxgvmb_send_create_context(struct dxgadapter *adapter,
int dxgvmb_send_destroy_context(struct dxgadapter *adapter,
struct dxgprocess *process,
struct d3dkmthandle h);
+int dxgvmb_send_create_paging_queue(struct dxgprocess *pr,
+ struct dxgdevice *dev,
+ struct d3dkmt_createpagingqueue *args,
+ struct dxgpagingqueue *pq);
+int dxgvmb_send_destroy_paging_queue(struct dxgprocess *process,
+ struct dxgadapter *adapter,
+ struct d3dkmthandle h);
int dxgvmb_send_create_allocation(struct dxgprocess *pr, struct dxgdevice *dev,
struct d3dkmt_createallocation *args,
struct d3dkmt_createallocation *__user inargs,
diff --git a/drivers/hv/dxgkrnl/dxgprocess.c b/drivers/hv/dxgkrnl/dxgprocess.c
index 111111111111..222222222222 100644
--- a/drivers/hv/dxgkrnl/dxgprocess.c
+++ b/drivers/hv/dxgkrnl/dxgprocess.c
@@ -277,6 +277,10 @@ struct dxgdevice *dxgprocess_device_by_object_handle(struct dxgprocess *process,
device_handle =
((struct dxgcontext *)obj)->device_handle;
break;
+ case HMGRENTRY_TYPE_DXGPAGINGQUEUE:
+ device_handle =
+ ((struct dxgpagingqueue *)obj)->device_handle;
+ break;
case HMGRENTRY_TYPE_DXGHWQUEUE:
device_handle =
((struct dxghwqueue *)obj)->device_handle;
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
@@ -1155,6 +1155,80 @@ int dxgvmb_send_destroy_context(struct dxgadapter *adapter,
return ret;
}
+int dxgvmb_send_create_paging_queue(struct dxgprocess *process,
+ struct dxgdevice *device,
+ struct d3dkmt_createpagingqueue *args,
+ struct dxgpagingqueue *pqueue)
+{
+ struct dxgkvmb_command_createpagingqueue_return result;
+ struct dxgkvmb_command_createpagingqueue *command;
+ int ret;
+ struct dxgvmbusmsg msg = {.hdr = NULL};
+
+ ret = init_message(&msg, device->adapter, process, sizeof(*command));
+ if (ret)
+ goto cleanup;
+ command = (void *)msg.msg;
+
+ command_vgpu_to_host_init2(&command->hdr,
+ DXGK_VMBCOMMAND_CREATEPAGINGQUEUE,
+ process->host_handle);
+ command->args = *args;
+ args->paging_queue.v = 0;
+
+ ret = dxgvmb_send_sync_msg(msg.channel, msg.hdr, msg.size, &result,
+ sizeof(result));
+ if (ret < 0) {
+ DXG_ERR("send_create_paging_queue failed %x", ret);
+ goto cleanup;
+ }
+
+ args->paging_queue = result.paging_queue;
+ args->sync_object = result.sync_object;
+ args->fence_cpu_virtual_address =
+ dxg_map_iospace(result.fence_storage_physical_address, PAGE_SIZE,
+ PROT_READ | PROT_WRITE, true);
+ if (args->fence_cpu_virtual_address == NULL) {
+ ret = -ENOMEM;
+ goto cleanup;
+ }
+ pqueue->mapped_address = args->fence_cpu_virtual_address;
+ pqueue->handle = args->paging_queue;
+
+cleanup:
+ free_message(&msg, process);
+ if (ret)
+ DXG_TRACE("err: %d", ret);
+ return ret;
+}
+
+int dxgvmb_send_destroy_paging_queue(struct dxgprocess *process,
+ struct dxgadapter *adapter,
+ struct d3dkmthandle h)
+{
+ int ret;
+ struct dxgkvmb_command_destroypagingqueue *command;
+ 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_DESTROYPAGINGQUEUE,
+ process->host_handle);
+ command->paging_queue = h;
+
+ ret = dxgvmb_send_sync_msg(msg.channel, msg.hdr, msg.size, NULL, 0);
+
+cleanup:
+ free_message(&msg, process);
+ if (ret)
+ DXG_TRACE("err: %d", ret);
+ return ret;
+}
+
static int
copy_private_data(struct d3dkmt_createallocation *args,
struct dxgkvmb_command_createallocation *command,
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
@@ -462,6 +462,23 @@ struct dxgkvmb_command_destroycontext {
struct d3dkmthandle context;
};
+struct dxgkvmb_command_createpagingqueue {
+ struct dxgkvmb_command_vgpu_to_host hdr;
+ struct d3dkmt_createpagingqueue args;
+};
+
+struct dxgkvmb_command_createpagingqueue_return {
+ struct d3dkmthandle paging_queue;
+ struct d3dkmthandle sync_object;
+ u64 fence_storage_physical_address;
+ u64 fence_storage_offset;
+};
+
+struct dxgkvmb_command_destroypagingqueue {
+ struct dxgkvmb_command_vgpu_to_host hdr;
+ struct d3dkmthandle paging_queue;
+};
+
struct dxgkvmb_command_createsyncobject {
struct dxgkvmb_command_vgpu_to_host hdr;
struct d3dkmt_createsynchronizationobject2 args;
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
@@ -329,7 +329,7 @@ static int dxgsharedresource_seal(struct dxgsharedresource *shared_resource)
if (alloc_data_size) {
if (data_size < alloc_data_size) {
- dev_err(DXGDEV,
+ DXG_ERR(
"Invalid private data size");
ret = -EINVAL;
goto cleanup1;
@@ -1010,6 +1010,183 @@ static int dxgkio_destroy_hwqueue(struct dxgprocess *process,
return ret;
}
+static int
+dxgkio_create_paging_queue(struct dxgprocess *process, void *__user inargs)
+{
+ struct d3dkmt_createpagingqueue args;
+ struct dxgdevice *device = NULL;
+ struct dxgadapter *adapter = NULL;
+ struct dxgpagingqueue *pqueue = NULL;
+ int ret;
+ struct d3dkmthandle host_handle = {};
+ bool device_lock_acquired = false;
+
+ ret = copy_from_user(&args, inargs, sizeof(args));
+ if (ret) {
+ DXG_ERR("failed to copy input args");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ /*
+ * The call acquires reference on the device. It is safe to access the
+ * adapter, because the device holds reference on it.
+ */
+ device = dxgprocess_device_by_handle(process, args.device);
+ if (device == NULL) {
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ ret = dxgdevice_acquire_lock_shared(device);
+ if (ret < 0)
+ goto cleanup;
+
+ device_lock_acquired = true;
+ adapter = device->adapter;
+
+ ret = dxgadapter_acquire_lock_shared(adapter);
+ if (ret < 0) {
+ adapter = NULL;
+ goto cleanup;
+ }
+
+ pqueue = dxgpagingqueue_create(device);
+ if (pqueue == NULL) {
+ ret = -ENOMEM;
+ goto cleanup;
+ }
+
+ ret = dxgvmb_send_create_paging_queue(process, device, &args, pqueue);
+ if (ret >= 0) {
+ host_handle = args.paging_queue;
+
+ ret = copy_to_user(inargs, &args, sizeof(args));
+ if (ret) {
+ DXG_ERR("failed to copy input args");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ hmgrtable_lock(&process->handle_table, DXGLOCK_EXCL);
+ ret = hmgrtable_assign_handle(&process->handle_table, pqueue,
+ HMGRENTRY_TYPE_DXGPAGINGQUEUE,
+ host_handle);
+ if (ret >= 0) {
+ pqueue->handle = host_handle;
+ ret = hmgrtable_assign_handle(&process->handle_table,
+ NULL,
+ HMGRENTRY_TYPE_MONITOREDFENCE,
+ args.sync_object);
+ if (ret >= 0)
+ pqueue->syncobj_handle = args.sync_object;
+ }
+ hmgrtable_unlock(&process->handle_table, DXGLOCK_EXCL);
+ /* should not fail after this */
+ }
+
+cleanup:
+
+ if (ret < 0) {
+ if (pqueue)
+ dxgpagingqueue_destroy(pqueue);
+ if (host_handle.v)
+ dxgvmb_send_destroy_paging_queue(process,
+ adapter,
+ host_handle);
+ }
+
+ if (adapter)
+ dxgadapter_release_lock_shared(adapter);
+
+ if (device) {
+ if (device_lock_acquired)
+ dxgdevice_release_lock_shared(device);
+ kref_put(&device->device_kref, dxgdevice_release);
+ }
+
+ DXG_TRACE("ioctl:%s %d", errorstr(ret), ret);
+ return ret;
+}
+
+static int
+dxgkio_destroy_paging_queue(struct dxgprocess *process, void *__user inargs)
+{
+ struct d3dddi_destroypagingqueue args;
+ struct dxgpagingqueue *paging_queue = NULL;
+ int ret;
+ struct d3dkmthandle device_handle = {};
+ struct dxgdevice *device = NULL;
+ struct dxgadapter *adapter = NULL;
+
+ ret = copy_from_user(&args, inargs, sizeof(args));
+ if (ret) {
+ DXG_ERR("failed to copy input args");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ hmgrtable_lock(&process->handle_table, DXGLOCK_EXCL);
+ paging_queue = hmgrtable_get_object_by_type(&process->handle_table,
+ HMGRENTRY_TYPE_DXGPAGINGQUEUE,
+ args.paging_queue);
+ if (paging_queue) {
+ device_handle = paging_queue->device_handle;
+ hmgrtable_free_handle(&process->handle_table,
+ HMGRENTRY_TYPE_DXGPAGINGQUEUE,
+ args.paging_queue);
+ hmgrtable_free_handle(&process->handle_table,
+ HMGRENTRY_TYPE_MONITOREDFENCE,
+ paging_queue->syncobj_handle);
+ paging_queue->syncobj_handle.v = 0;
+ paging_queue->handle.v = 0;
+ }
+ hmgrtable_unlock(&process->handle_table, DXGLOCK_EXCL);
+
+ /*
+ * The call acquires reference on the device. It is safe to access the
+ * adapter, because the device holds reference on it.
+ */
+ if (device_handle.v)
+ device = dxgprocess_device_by_handle(process, device_handle);
+ if (device == NULL) {
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ ret = dxgdevice_acquire_lock_shared(device);
+ if (ret < 0) {
+ kref_put(&device->device_kref, dxgdevice_release);
+ device = NULL;
+ goto cleanup;
+ }
+
+ adapter = device->adapter;
+ ret = dxgadapter_acquire_lock_shared(adapter);
+ if (ret < 0) {
+ adapter = NULL;
+ goto cleanup;
+ }
+
+ ret = dxgvmb_send_destroy_paging_queue(process, adapter,
+ args.paging_queue);
+
+ dxgpagingqueue_destroy(paging_queue);
+
+cleanup:
+
+ if (adapter)
+ dxgadapter_release_lock_shared(adapter);
+
+ if (device) {
+ dxgdevice_release_lock_shared(device);
+ kref_put(&device->device_kref, dxgdevice_release);
+ }
+
+ DXG_TRACE("ioctl:%s %d", errorstr(ret), ret);
+ return ret;
+}
+
static int
get_standard_alloc_priv_data(struct dxgdevice *device,
struct d3dkmt_createstandardallocation *alloc_info,
@@ -1272,7 +1449,7 @@ dxgkio_create_allocation(struct dxgprocess *process, void *__user inargs)
args.private_runtime_resource_handle;
if (args.flags.create_shared) {
if (!args.flags.nt_security_sharing) {
- dev_err(DXGDEV,
+ DXG_ERR(
"nt_security_sharing must be set");
ret = -EINVAL;
goto cleanup;
@@ -1313,7 +1490,7 @@ dxgkio_create_allocation(struct dxgprocess *process, void *__user inargs)
args.private_runtime_data,
args.private_runtime_data_size);
if (ret) {
- dev_err(DXGDEV,
+ DXG_ERR(
"failed to copy runtime data");
ret = -EINVAL;
goto cleanup;
@@ -1333,7 +1510,7 @@ dxgkio_create_allocation(struct dxgprocess *process, void *__user inargs)
args.priv_drv_data,
args.priv_drv_data_size);
if (ret) {
- dev_err(DXGDEV,
+ DXG_ERR(
"failed to copy res data");
ret = -EINVAL;
goto cleanup;
@@ -3481,7 +3658,7 @@ static struct ioctl_desc ioctls[] = {
/* 0x04 */ {dxgkio_create_context_virtual, LX_DXCREATECONTEXTVIRTUAL},
/* 0x05 */ {dxgkio_destroy_context, LX_DXDESTROYCONTEXT},
/* 0x06 */ {dxgkio_create_allocation, LX_DXCREATEALLOCATION},
-/* 0x07 */ {},
+/* 0x07 */ {dxgkio_create_paging_queue, LX_DXCREATEPAGINGQUEUE},
/* 0x08 */ {},
/* 0x09 */ {dxgkio_query_adapter_info, LX_DXQUERYADAPTERINFO},
/* 0x0a */ {},
@@ -3502,7 +3679,7 @@ static struct ioctl_desc ioctls[] = {
/* 0x19 */ {dxgkio_destroy_device, LX_DXDESTROYDEVICE},
/* 0x1a */ {},
/* 0x1b */ {dxgkio_destroy_hwqueue, LX_DXDESTROYHWQUEUE},
-/* 0x1c */ {},
+/* 0x1c */ {dxgkio_destroy_paging_queue, LX_DXDESTROYPAGINGQUEUE},
/* 0x1d */ {dxgkio_destroy_sync_object, LX_DXDESTROYSYNCHRONIZATIONOBJECT},
/* 0x1e */ {},
/* 0x1f */ {},
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
@@ -211,6 +211,29 @@ struct d3dddi_createhwqueueflags {
};
};
+enum d3dddi_pagingqueue_priority {
+ _D3DDDI_PAGINGQUEUE_PRIORITY_BELOW_NORMAL = -1,
+ _D3DDDI_PAGINGQUEUE_PRIORITY_NORMAL = 0,
+ _D3DDDI_PAGINGQUEUE_PRIORITY_ABOVE_NORMAL = 1,
+};
+
+struct d3dkmt_createpagingqueue {
+ struct d3dkmthandle device;
+ enum d3dddi_pagingqueue_priority priority;
+ struct d3dkmthandle paging_queue;
+ struct d3dkmthandle sync_object;
+#ifdef __KERNEL__
+ void *fence_cpu_virtual_address;
+#else
+ __u64 fence_cpu_virtual_address;
+#endif
+ __u32 physical_adapter_index;
+};
+
+struct d3dddi_destroypagingqueue {
+ struct d3dkmthandle paging_queue;
+};
+
enum d3dkmdt_gdisurfacetype {
_D3DKMDT_GDISURFACE_INVALID = 0,
_D3DKMDT_GDISURFACE_TEXTURE = 1,
@@ -890,6 +913,8 @@ struct d3dkmt_enumadapters3 {
_IOWR(0x47, 0x05, struct d3dkmt_destroycontext)
#define LX_DXCREATEALLOCATION \
_IOWR(0x47, 0x06, struct d3dkmt_createallocation)
+#define LX_DXCREATEPAGINGQUEUE \
+ _IOWR(0x47, 0x07, struct d3dkmt_createpagingqueue)
#define LX_DXQUERYADAPTERINFO \
_IOWR(0x47, 0x09, struct d3dkmt_queryadapterinfo)
#define LX_DXCREATESYNCHRONIZATIONOBJECT \
@@ -908,6 +933,8 @@ struct d3dkmt_enumadapters3 {
_IOWR(0x47, 0x18, struct d3dkmt_createhwqueue)
#define LX_DXDESTROYHWQUEUE \
_IOWR(0x47, 0x1b, struct d3dkmt_destroyhwqueue)
+#define LX_DXDESTROYPAGINGQUEUE \
+ _IOWR(0x47, 0x1c, struct d3dddi_destroypagingqueue)
#define LX_DXDESTROYDEVICE \
_IOWR(0x47, 0x19, struct d3dkmt_destroydevice)
#define LX_DXDESTROYSYNCHRONIZATIONOBJECT \
--
Armbian
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