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Diffstat (limited to 'include/uapi/drm/ivpu_accel.h')
-rw-r--r--include/uapi/drm/ivpu_accel.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/include/uapi/drm/ivpu_accel.h b/include/uapi/drm/ivpu_accel.h
index 160ee1411d4a..264505d54f93 100644
--- a/include/uapi/drm/ivpu_accel.h
+++ b/include/uapi/drm/ivpu_accel.h
@@ -25,6 +25,7 @@ extern "C" {
#define DRM_IVPU_CMDQ_CREATE 0x0b
#define DRM_IVPU_CMDQ_DESTROY 0x0c
#define DRM_IVPU_CMDQ_SUBMIT 0x0d
+#define DRM_IVPU_BO_CREATE_FROM_USERPTR 0x0e
#define DRM_IOCTL_IVPU_GET_PARAM \
DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_GET_PARAM, struct drm_ivpu_param)
@@ -69,6 +70,10 @@ extern "C" {
#define DRM_IOCTL_IVPU_CMDQ_SUBMIT \
DRM_IOW(DRM_COMMAND_BASE + DRM_IVPU_CMDQ_SUBMIT, struct drm_ivpu_cmdq_submit)
+#define DRM_IOCTL_IVPU_BO_CREATE_FROM_USERPTR \
+ DRM_IOWR(DRM_COMMAND_BASE + DRM_IVPU_BO_CREATE_FROM_USERPTR, \
+ struct drm_ivpu_bo_create_from_userptr)
+
/**
* DOC: contexts
*
@@ -90,6 +95,7 @@ extern "C" {
#define DRM_IVPU_PARAM_TILE_CONFIG 11
#define DRM_IVPU_PARAM_SKU 12
#define DRM_IVPU_PARAM_CAPABILITIES 13
+#define DRM_IVPU_PARAM_PREEMPT_BUFFER_SIZE 14
#define DRM_IVPU_PLATFORM_TYPE_SILICON 0
@@ -126,6 +132,13 @@ extern "C" {
* command queue destroy and submit job on specific command queue.
*/
#define DRM_IVPU_CAP_MANAGE_CMDQ 3
+/**
+ * DRM_IVPU_CAP_BO_CREATE_FROM_USERPTR
+ *
+ * Driver supports creating buffer objects from user space memory pointers.
+ * This allows creating GEM buffers from existing user memory regions.
+ */
+#define DRM_IVPU_CAP_BO_CREATE_FROM_USERPTR 4
/**
* struct drm_ivpu_param - Get/Set VPU parameters
@@ -176,6 +189,9 @@ struct drm_ivpu_param {
*
* %DRM_IVPU_PARAM_CAPABILITIES:
* Supported capabilities (read-only)
+ *
+ * %DRM_IVPU_PARAM_PREEMPT_BUFFER_SIZE:
+ * Size of the preemption buffer (read-only)
*/
__u32 param;
@@ -190,6 +206,7 @@ struct drm_ivpu_param {
#define DRM_IVPU_BO_HIGH_MEM DRM_IVPU_BO_SHAVE_MEM
#define DRM_IVPU_BO_MAPPABLE 0x00000002
#define DRM_IVPU_BO_DMA_MEM 0x00000004
+#define DRM_IVPU_BO_READ_ONLY 0x00000008
#define DRM_IVPU_BO_CACHED 0x00000000
#define DRM_IVPU_BO_UNCACHED 0x00010000
@@ -200,6 +217,7 @@ struct drm_ivpu_param {
(DRM_IVPU_BO_HIGH_MEM | \
DRM_IVPU_BO_MAPPABLE | \
DRM_IVPU_BO_DMA_MEM | \
+ DRM_IVPU_BO_READ_ONLY | \
DRM_IVPU_BO_CACHE_MASK)
/**
@@ -252,6 +270,44 @@ struct drm_ivpu_bo_create {
};
/**
+ * struct drm_ivpu_bo_create_from_userptr - Create dma-buf from user pointer
+ *
+ * Create a GEM buffer object from a user pointer to a memory region.
+ */
+struct drm_ivpu_bo_create_from_userptr {
+ /** @user_ptr: User pointer to memory region (must be page aligned) */
+ __u64 user_ptr;
+
+ /** @size: Size of the memory region in bytes (must be page aligned) */
+ __u64 size;
+
+ /**
+ * @flags:
+ *
+ * Supported flags:
+ *
+ * %DRM_IVPU_BO_HIGH_MEM:
+ *
+ * Allocate VPU address from >4GB range.
+ *
+ * %DRM_IVPU_BO_DMA_MEM:
+ *
+ * Allocate from DMA memory range accessible by hardware DMA.
+ *
+ * %DRM_IVPU_BO_READ_ONLY:
+ *
+ * Allocate as a read-only buffer object.
+ */
+ __u32 flags;
+
+ /** @handle: Returned GEM object handle */
+ __u32 handle;
+
+ /** @vpu_addr: Returned VPU virtual address */
+ __u64 vpu_addr;
+};
+
+/**
* struct drm_ivpu_bo_info - Query buffer object info
*/
struct drm_ivpu_bo_info {
@@ -371,6 +427,13 @@ struct drm_ivpu_cmdq_submit {
* to be executed. The offset has to be 8-byte aligned.
*/
__u32 commands_offset;
+ /**
+ * @preempt_buffer_index:
+ *
+ * Index of the preemption buffer in the buffers_ptr array.
+ */
+ __u32 preempt_buffer_index;
+ __u32 reserved;
};
/* drm_ivpu_bo_wait job status codes */