mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-07-16 17:57:38 -04:00
Code Issues Packages Projects Releases Wiki Activity

accel/ivpu: Add API for command queue create/destroy/submit

Browse Source 
Implement support for explicit command queue management.
To allow more flexible control over command queues add capabilities
to create, destroy and submit jobs to specific command queues.

Signed-off-by: Karol Wachowski <karol.wachowski@intel.com>
Signed-off-by: Maciej Falkowski <maciej.falkowski@linux.intel.com>
Reviewed-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20250107173238.381120-3-maciej.falkowski@linux.intel.com
This commit is contained in:
Karol Wachowski
2025-01-07 18:32:25 +01:00
committed by Jacek Lawrynowicz
parent 950942b481
commit 465a3914b2
4 changed files with 322 additions and 148 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
include/uapi/drm/ivpu_accel.h
View File

@@ -22,6 +22,9 @@ extern "C" {
#define DRM_IVPU_METRIC_STREAMER_STOP 0x08
#define DRM_IVPU_METRIC_STREAMER_GET_DATA 0x09
#define DRM_IVPU_METRIC_STREAMER_GET_INFO 0x0a
#define DRM_IVPU_CMDQ_CREATE 0x0b
#define DRM_IVPU_CMDQ_DESTROY 0x0c
#define DRM_IVPU_CMDQ_SUBMIT 0x0d
#define DRM_IOCTL_IVPU_GET_PARAM \
DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_GET_PARAM, struct drm_ivpu_param)
@@ -57,6 +60,15 @@ extern "C" {
DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_METRIC_STREAMER_GET_INFO, \
struct drm_ivpu_metric_streamer_get_data)
#define DRM_IOCTL_IVPU_CMDQ_CREATE \
DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_CMDQ_CREATE, struct drm_ivpu_cmdq_create)
#define DRM_IOCTL_IVPU_CMDQ_DESTROY \
DRM_IOW(DRM_COMMAND_BASE + DRM_IVPU_CMDQ_DESTROY, struct drm_ivpu_cmdq_destroy)
#define DRM_IOCTL_IVPU_CMDQ_SUBMIT \
DRM_IOW(DRM_COMMAND_BASE + DRM_IVPU_CMDQ_SUBMIT, struct drm_ivpu_cmdq_submit)
/**
* DOC: contexts
*
@@ -107,6 +119,13 @@ extern "C" {
* accessible by hardware DMA.
*/
#define DRM_IVPU_CAP_DMA_MEMORY_RANGE 2
/**
* DRM_IVPU_CAP_MANAGE_CMDQ
*
* Driver supports explicit command queue operations like command queue create,
* command queue destroy and submit job on specific command queue.
*/
#define DRM_IVPU_CAP_MANAGE_CMDQ 3
/**
* struct drm_ivpu_param - Get/Set VPU parameters
@@ -316,6 +335,44 @@ struct drm_ivpu_submit {
__u32 priority;
};
/**
* struct drm_ivpu_cmdq_submit - Submit commands to the VPU using explicit command queue
*
* Execute a single command buffer on a given command queue.
* Handles to all referenced buffer objects have to be provided in @buffers_ptr.
*
* User space may wait on job completion using %DRM_IVPU_BO_WAIT ioctl.
*/
struct drm_ivpu_cmdq_submit {
/**
* @buffers_ptr:
*
* A pointer to an u32 array of GEM handles of the BOs required for this job.
* The number of elements in the array must be equal to the value given by @buffer_count.
*
* The first BO is the command buffer. The rest of array has to contain all
* BOs referenced from the command buffer.
*/
__u64 buffers_ptr;
/** @buffer_count: Number of elements in the @buffers_ptr */
__u32 buffer_count;
/** @cmdq_id: ID for the command queue where job will be submitted */
__u32 cmdq_id;
/** @flags: Reserved for future use - must be zero */
__u32 flags;
/**
* @commands_offset:
*
* Offset inside the first buffer in @buffers_ptr containing commands
* to be executed. The offset has to be 8-byte aligned.
*/
__u32 commands_offset;
};
/* drm_ivpu_bo_wait job status codes */
#define DRM_IVPU_JOB_STATUS_SUCCESS 0
#define DRM_IVPU_JOB_STATUS_ABORTED 256
@@ -388,6 +445,33 @@ struct drm_ivpu_metric_streamer_get_data {
__u64 data_size;
};
/**
* struct drm_ivpu_cmdq_create - Create command queue for job submission
*/
struct drm_ivpu_cmdq_create {
/** @cmdq_id: Returned ID of created command queue */
__u32 cmdq_id;
/**
* @priority:
*
* Priority to be set for related job command queue, can be one of the following:
* %DRM_IVPU_JOB_PRIORITY_DEFAULT
* %DRM_IVPU_JOB_PRIORITY_IDLE
* %DRM_IVPU_JOB_PRIORITY_NORMAL
* %DRM_IVPU_JOB_PRIORITY_FOCUS
* %DRM_IVPU_JOB_PRIORITY_REALTIME
*/
__u32 priority;
};
/**
* struct drm_ivpu_cmdq_destroy - Destroy a command queue
*/
struct drm_ivpu_cmdq_destroy {
/** @cmdq_id: ID of command queue to destroy */
__u32 cmdq_id;
};
/**
* struct drm_ivpu_metric_streamer_stop - Stop collecting metric data
*/