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armbian_build/patch/kernel/archive/wsl2-arm64-6.1/1682-drivers-hv-dxgkrnl-Submit-execution-commands-to-the-compute-device.patch
Ricardo Pardini 204d2e79b9 WSL2 "boards" wsl2-x86/wsl2-arm64 with current (6.1.y) and edge (6.6.y) kernels with Microsoft patches 
> tl,dr: add 4 small-ish UEFI-like kernels, with Microsoft patches & fixes, for use with Microsoft WSL2 on x86/arm64 and 6.1.y/6.6.y

- the boards are UEFI derivatives, using a common `microsoft` vendor include to modify
  - `KERNELPATCHDIR`/`LINUXFAMILY` (for now, we don't want those patches in regular UEFI builds / .debs)
  - disable `EXTRAWIFI` (kernel is for a VM, will never have wifi so doesn't need any drivers)
  - `LINUXCONFIG`, so we can use Microsoft's own monolithic kernel, required for WSL2 (their initrd is a mistery)
- really, what we're mostly interested right now are the kernels (in the future we might have an "Armbian" WSL2 app in the Microsoft Store)
  - `current` `6.1.y`:
    - rebased from https://github.com/microsoft/WSL2-Linux-Kernel/tree/linux-msft-wsl-6.1.y onto real 6.1.y
    - using Microsoft's `.config` exactly (monolithic, there are no `=m`'s)
  - `edge` `6.6.y`:
    - also from https://github.com/microsoft/WSL2-Linux-Kernel/tree/linux-msft-wsl-6.1.y but rebased onto 6.6.y
    - using updated Microsoft's `.config` (monolithic, there are no `=m`'s)
    - dropped 2 of 6.1.y's patches that were actually upstreamed in the meantime:
      - `mm-page_reporting-Add-checks-for-page_reporting_order-param` - mainlined in https://lore.kernel.org/all/1664517699-1085-2-git-send-email-shradhagupta@linux.microsoft.com/
      - `hv_balloon-Add-support-for-configurable-order-free-page-reporting` - mainlined in https://lore.kernel.org/all/1664517699-1085-3-git-send-email-shradhagupta@linux.microsoft.com/
    - drop the `arm64: hyperv: Enable Hyper-V synthetic clocks/timers` patch, since it causes asm breakage on 6.6.y
      - a shame, but I tried and can't fix it myself - @kelleymh ?
    - add my own patch to fix:
      - `1709-drivers-hv-dxgkrnl-restore-uuid_le_cmp-removed-from-upstream-in-f5b3c341a.patch` due to https://lore.kernel.org/all/20230202145412.87569-1-andriy.shevchenko@linux.intel.com/ landing in 6.6
      - `1710-drivers-hv-dxgkrnl-adapt-dxg_remove_vmbus-to-96ec29396-s-reality-void-return.patch` to adapt to
        https://lore.kernel.org/all/TYCP286MB2323A93C55526E4DF239D3ACCAFA9@TYCP286MB2323.JPNP286.PROD.OUTLOOK.COM/
2023-11-27 11:14:01 +01:00

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Iouri Tarassov <iourit@linux.microsoft.com>
Date: Wed, 19 Jan 2022 18:02:09 -0800
Subject: drivers: hv: dxgkrnl: Submit execution commands to the compute device
Implements ioctls for submission of compute device buffers for execution:
- LX_DXSUBMITCOMMAND
The ioctl is used to submit a command buffer to the device,
working in the "packet scheduling" mode.
- LX_DXSUBMITCOMMANDTOHWQUEUE
The ioctl is used to submit a command buffer to the device,
working in the "hardware scheduling" mode.
To improve performance both ioctls use asynchronous VM bus messages
to communicate with the host as these are high frequency operations.
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 | 6 +
drivers/hv/dxgkrnl/dxgvmbus.c | 113 +++++++++
drivers/hv/dxgkrnl/dxgvmbus.h | 14 +
drivers/hv/dxgkrnl/ioctl.c | 127 +++++++++-
include/uapi/misc/d3dkmthk.h | 58 +++++
5 files changed, 316 insertions(+), 2 deletions(-)
diff --git a/drivers/hv/dxgkrnl/dxgkrnl.h b/drivers/hv/dxgkrnl/dxgkrnl.h
index 440d1f9b8882..ab97bc53b124 100644
--- a/drivers/hv/dxgkrnl/dxgkrnl.h
+++ b/drivers/hv/dxgkrnl/dxgkrnl.h
@@ -796,6 +796,9 @@ int dxgvmb_send_create_allocation(struct dxgprocess *pr, struct dxgdevice *dev,
int dxgvmb_send_destroy_allocation(struct dxgprocess *pr, struct dxgdevice *dev,
struct d3dkmt_destroyallocation2 *args,
struct d3dkmthandle *alloc_handles);
+int dxgvmb_send_submit_command(struct dxgprocess *pr,
+ struct dxgadapter *adapter,
+ struct d3dkmt_submitcommand *args);
int dxgvmb_send_create_sync_object(struct dxgprocess *pr,
struct dxgadapter *adapter,
struct d3dkmt_createsynchronizationobject2
@@ -838,6 +841,9 @@ int dxgvmb_send_destroy_hwqueue(struct dxgprocess *process,
int dxgvmb_send_query_adapter_info(struct dxgprocess *process,
struct dxgadapter *adapter,
struct d3dkmt_queryadapterinfo *args);
+int dxgvmb_send_submit_command_hwqueue(struct dxgprocess *process,
+ struct dxgadapter *adapter,
+ struct d3dkmt_submitcommandtohwqueue *a);
int dxgvmb_send_open_sync_object_nt(struct dxgprocess *process,
struct dxgvmbuschannel *channel,
struct d3dkmt_opensyncobjectfromnthandle2
diff --git a/drivers/hv/dxgkrnl/dxgvmbus.c b/drivers/hv/dxgkrnl/dxgvmbus.c
index c9c00b288ae0..7cb04fec217e 100644
--- a/drivers/hv/dxgkrnl/dxgvmbus.c
+++ b/drivers/hv/dxgkrnl/dxgvmbus.c
@@ -1901,6 +1901,61 @@ int dxgvmb_send_get_stdalloc_data(struct dxgdevice *device,
return ret;
}
+int dxgvmb_send_submit_command(struct dxgprocess *process,
+ struct dxgadapter *adapter,
+ struct d3dkmt_submitcommand *args)
+{
+ int ret;
+ u32 cmd_size;
+ struct dxgkvmb_command_submitcommand *command;
+ u32 hbufsize = args->num_history_buffers * sizeof(struct d3dkmthandle);
+ struct dxgvmbusmsg msg = {.hdr = NULL};
+ struct dxgglobal *dxgglobal = dxggbl();
+
+ cmd_size = sizeof(struct dxgkvmb_command_submitcommand) +
+ hbufsize + args->priv_drv_data_size;
+
+ ret = init_message(&msg, adapter, process, cmd_size);
+ if (ret)
+ goto cleanup;
+ command = (void *)msg.msg;
+
+ ret = copy_from_user(&command[1], args->history_buffer_array,
+ hbufsize);
+ if (ret) {
+ DXG_ERR(" failed to copy history buffer");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+ ret = copy_from_user((u8 *) &command[1] + hbufsize,
+ args->priv_drv_data, args->priv_drv_data_size);
+ if (ret) {
+ DXG_ERR("failed to copy history priv data");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ command_vgpu_to_host_init2(&command->hdr,
+ DXGK_VMBCOMMAND_SUBMITCOMMAND,
+ process->host_handle);
+ command->args = *args;
+
+ if (dxgglobal->async_msg_enabled) {
+ command->hdr.async_msg = 1;
+ ret = dxgvmb_send_async_msg(msg.channel, msg.hdr, msg.size);
+ } else {
+ 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;
+}
+
static void set_result(struct d3dkmt_createsynchronizationobject2 *args,
u64 fence_gpu_va, u8 *va)
{
@@ -2427,3 +2482,61 @@ int dxgvmb_send_query_adapter_info(struct dxgprocess *process,
DXG_TRACE("err: %d", ret);
return ret;
}
+
+int dxgvmb_send_submit_command_hwqueue(struct dxgprocess *process,
+ struct dxgadapter *adapter,
+ struct d3dkmt_submitcommandtohwqueue
+ *args)
+{
+ int ret = -EINVAL;
+ u32 cmd_size;
+ struct dxgkvmb_command_submitcommandtohwqueue *command;
+ u32 primaries_size = args->num_primaries * sizeof(struct d3dkmthandle);
+ struct dxgvmbusmsg msg = {.hdr = NULL};
+ struct dxgglobal *dxgglobal = dxggbl();
+
+ cmd_size = sizeof(*command) + args->priv_drv_data_size + primaries_size;
+ ret = init_message(&msg, adapter, process, cmd_size);
+ if (ret)
+ goto cleanup;
+ command = (void *)msg.msg;
+
+ if (primaries_size) {
+ ret = copy_from_user(&command[1], args->written_primaries,
+ primaries_size);
+ if (ret) {
+ DXG_ERR("failed to copy primaries handles");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+ }
+ if (args->priv_drv_data_size) {
+ ret = copy_from_user((char *)&command[1] + primaries_size,
+ args->priv_drv_data,
+ args->priv_drv_data_size);
+ if (ret) {
+ DXG_ERR("failed to copy primaries data");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+ }
+
+ command_vgpu_to_host_init2(&command->hdr,
+ DXGK_VMBCOMMAND_SUBMITCOMMANDTOHWQUEUE,
+ process->host_handle);
+ command->args = *args;
+
+ if (dxgglobal->async_msg_enabled) {
+ command->hdr.async_msg = 1;
+ ret = dxgvmb_send_async_msg(msg.channel, msg.hdr, msg.size);
+ } else {
+ 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;
+}
diff --git a/drivers/hv/dxgkrnl/dxgvmbus.h b/drivers/hv/dxgkrnl/dxgvmbus.h
index aba075d374c9..acfdbde09e82 100644
--- a/drivers/hv/dxgkrnl/dxgvmbus.h
+++ b/drivers/hv/dxgkrnl/dxgvmbus.h
@@ -314,6 +314,20 @@ struct dxgkvmb_command_flushdevice {
enum dxgdevice_flushschedulerreason reason;
};
+struct dxgkvmb_command_submitcommand {
+ struct dxgkvmb_command_vgpu_to_host hdr;
+ struct d3dkmt_submitcommand args;
+ /* HistoryBufferHandles */
+ /* PrivateDriverData */
+};
+
+struct dxgkvmb_command_submitcommandtohwqueue {
+ struct dxgkvmb_command_vgpu_to_host hdr;
+ struct d3dkmt_submitcommandtohwqueue args;
+ /* Written primaries */
+ /* PrivateDriverData */
+};
+
struct dxgkvmb_command_createallocation_allocinfo {
u32 flags;
u32 priv_drv_data_size;
diff --git a/drivers/hv/dxgkrnl/ioctl.c b/drivers/hv/dxgkrnl/ioctl.c
index a2d236f5eff5..9128694c8e78 100644
--- a/drivers/hv/dxgkrnl/ioctl.c
+++ b/drivers/hv/dxgkrnl/ioctl.c
@@ -1902,6 +1902,129 @@ dxgkio_destroy_allocation(struct dxgprocess *process, void *__user inargs)
return ret;
}
+static int
+dxgkio_submit_command(struct dxgprocess *process, void *__user inargs)
+{
+ int ret;
+ struct d3dkmt_submitcommand args;
+ 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;
+ }
+
+ if (args.broadcast_context_count > D3DDDI_MAX_BROADCAST_CONTEXT ||
+ args.broadcast_context_count == 0) {
+ DXG_ERR("invalid number of contexts");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ if (args.priv_drv_data_size > DXG_MAX_VM_BUS_PACKET_SIZE) {
+ DXG_ERR("invalid private data size");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ if (args.num_history_buffers > 1024) {
+ DXG_ERR("invalid number of history buffers");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ if (args.num_primaries > DXG_MAX_VM_BUS_PACKET_SIZE) {
+ DXG_ERR("invalid number of primaries");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ device = dxgprocess_device_by_object_handle(process,
+ HMGRENTRY_TYPE_DXGCONTEXT,
+ args.broadcast_context[0]);
+ if (device == NULL) {
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ adapter = device->adapter;
+ ret = dxgadapter_acquire_lock_shared(adapter);
+ if (ret < 0) {
+ adapter = NULL;
+ goto cleanup;
+ }
+
+ ret = dxgvmb_send_submit_command(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_submit_command_to_hwqueue(struct dxgprocess *process, void *__user inargs)
+{
+ int ret;
+ struct d3dkmt_submitcommandtohwqueue args;
+ 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;
+ }
+
+ if (args.priv_drv_data_size > DXG_MAX_VM_BUS_PACKET_SIZE) {
+ DXG_ERR("invalid private data size");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ if (args.num_primaries > DXG_MAX_VM_BUS_PACKET_SIZE) {
+ DXG_ERR("invalid number of primaries");
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ device = dxgprocess_device_by_object_handle(process,
+ HMGRENTRY_TYPE_DXGHWQUEUE,
+ args.hwqueue);
+ if (device == NULL) {
+ ret = -EINVAL;
+ goto cleanup;
+ }
+
+ adapter = device->adapter;
+ ret = dxgadapter_acquire_lock_shared(adapter);
+ if (ret < 0) {
+ adapter = NULL;
+ goto cleanup;
+ }
+
+ ret = dxgvmb_send_submit_command_hwqueue(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_submit_signal_to_hwqueue(struct dxgprocess *process, void *__user inargs)
{
@@ -3666,7 +3789,7 @@ static struct ioctl_desc ioctls[] = {
/* 0x0c */ {},
/* 0x0d */ {},
/* 0x0e */ {},
-/* 0x0f */ {},
+/* 0x0f */ {dxgkio_submit_command, LX_DXSUBMITCOMMAND},
/* 0x10 */ {dxgkio_create_sync_object, LX_DXCREATESYNCHRONIZATIONOBJECT},
/* 0x11 */ {dxgkio_signal_sync_object, LX_DXSIGNALSYNCHRONIZATIONOBJECT},
/* 0x12 */ {dxgkio_wait_sync_object, LX_DXWAITFORSYNCHRONIZATIONOBJECT},
@@ -3706,7 +3829,7 @@ static struct ioctl_desc ioctls[] = {
LX_DXSIGNALSYNCHRONIZATIONOBJECTFROMGPU},
/* 0x33 */ {dxgkio_signal_sync_object_gpu2,
LX_DXSIGNALSYNCHRONIZATIONOBJECTFROMGPU2},
-/* 0x34 */ {},
+/* 0x34 */ {dxgkio_submit_command_to_hwqueue, LX_DXSUBMITCOMMANDTOHWQUEUE},
/* 0x35 */ {dxgkio_submit_signal_to_hwqueue,
LX_DXSUBMITSIGNALSYNCOBJECTSTOHWQUEUE},
/* 0x36 */ {dxgkio_submit_wait_to_hwqueue,
diff --git a/include/uapi/misc/d3dkmthk.h b/include/uapi/misc/d3dkmthk.h
index 6ec70852de6e..9238115d165d 100644
--- a/include/uapi/misc/d3dkmthk.h
+++ b/include/uapi/misc/d3dkmthk.h
@@ -58,6 +58,8 @@ struct winluid {
__u32 b;
};
+#define D3DDDI_MAX_WRITTEN_PRIMARIES 16
+
#define D3DKMT_CREATEALLOCATION_MAX 1024
#define D3DKMT_ADAPTERS_MAX 64
#define D3DDDI_MAX_BROADCAST_CONTEXT 64
@@ -525,6 +527,58 @@ struct d3dkmt_destroysynchronizationobject {
struct d3dkmthandle sync_object;
};
+struct d3dkmt_submitcommandflags {
+ __u32 null_rendering:1;
+ __u32 present_redirected:1;
+ __u32 reserved:30;
+};
+
+struct d3dkmt_submitcommand {
+ __u64 command_buffer;
+ __u32 command_length;
+ struct d3dkmt_submitcommandflags flags;
+ __u64 present_history_token;
+ __u32 broadcast_context_count;
+ struct d3dkmthandle broadcast_context[D3DDDI_MAX_BROADCAST_CONTEXT];
+ __u32 reserved;
+#ifdef __KERNEL__
+ void *priv_drv_data;
+#else
+ __u64 priv_drv_data;
+#endif
+ __u32 priv_drv_data_size;
+ __u32 num_primaries;
+ struct d3dkmthandle written_primaries[D3DDDI_MAX_WRITTEN_PRIMARIES];
+ __u32 num_history_buffers;
+ __u32 reserved1;
+#ifdef __KERNEL__
+ struct d3dkmthandle *history_buffer_array;
+#else
+ __u64 history_buffer_array;
+#endif
+};
+
+struct d3dkmt_submitcommandtohwqueue {
+ struct d3dkmthandle hwqueue;
+ __u32 reserved;
+ __u64 hwqueue_progress_fence_id;
+ __u64 command_buffer;
+ __u32 command_length;
+ __u32 priv_drv_data_size;
+#ifdef __KERNEL__
+ void *priv_drv_data;
+#else
+ __u64 priv_drv_data;
+#endif
+ __u32 num_primaries;
+ __u32 reserved1;
+#ifdef __KERNEL__
+ struct d3dkmthandle *written_primaries;
+#else
+ __u64 written_primaries;
+#endif
+};
+
enum d3dkmt_standardallocationtype {
_D3DKMT_STANDARDALLOCATIONTYPE_EXISTINGHEAP = 1,
_D3DKMT_STANDARDALLOCATIONTYPE_CROSSADAPTER = 2,
@@ -917,6 +971,8 @@ struct d3dkmt_enumadapters3 {
_IOWR(0x47, 0x07, struct d3dkmt_createpagingqueue)
#define LX_DXQUERYADAPTERINFO \
_IOWR(0x47, 0x09, struct d3dkmt_queryadapterinfo)
+#define LX_DXSUBMITCOMMAND \
+ _IOWR(0x47, 0x0f, struct d3dkmt_submitcommand)
#define LX_DXCREATESYNCHRONIZATIONOBJECT \
_IOWR(0x47, 0x10, struct d3dkmt_createsynchronizationobject2)
#define LX_DXSIGNALSYNCHRONIZATIONOBJECT \
@@ -945,6 +1001,8 @@ struct d3dkmt_enumadapters3 {
_IOWR(0x47, 0x32, struct d3dkmt_signalsynchronizationobjectfromgpu)
#define LX_DXSIGNALSYNCHRONIZATIONOBJECTFROMGPU2 \
_IOWR(0x47, 0x33, struct d3dkmt_signalsynchronizationobjectfromgpu2)
+#define LX_DXSUBMITCOMMANDTOHWQUEUE \
+ _IOWR(0x47, 0x34, struct d3dkmt_submitcommandtohwqueue)
#define LX_DXSUBMITSIGNALSYNCOBJECTSTOHWQUEUE \
_IOWR(0x47, 0x35, struct d3dkmt_submitsignalsyncobjectstohwqueue)
#define LX_DXSUBMITWAITFORSYNCOBJECTSTOHWQUEUE \
--
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