91  * @header: Pool of DMA memory for device command buffer headers.
142  * @cb_header: Device command buffer header, allocated from a DMA pool.
167  * struct vmw_cmdbuf_dheader - Device command buffer header with inline
170  * @cb_header: Device command buffer header.
233  * @header: Pointer to the header to free.
235 static void vmw_cmdbuf_header_inline_free(struct vmw_cmdbuf_header *header)  in vmw_cmdbuf_header_inline_free()  argument
239 	if (WARN_ON_ONCE(!header->inline_space))  in vmw_cmdbuf_header_inline_free()
242 	dheader = container_of(header->cb_header, struct vmw_cmdbuf_dheader,  in vmw_cmdbuf_header_inline_free()
244 	dma_pool_free(header->man->dheaders, dheader, header->handle);  in vmw_cmdbuf_header_inline_free()
245 	kfree(header);  in vmw_cmdbuf_header_inline_free()
252  * header: Pointer to the header to free.
256 static void __vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header)  in __vmw_cmdbuf_header_free()  argument
258 	struct vmw_cmdbuf_man *man = header->man;  in __vmw_cmdbuf_header_free()
262 	if (header->inline_space) {  in __vmw_cmdbuf_header_free()
263 		vmw_cmdbuf_header_inline_free(header);  in __vmw_cmdbuf_header_free()
267 	drm_mm_remove_node(&header->node);  in __vmw_cmdbuf_header_free()
269 	if (header->cb_header)  in __vmw_cmdbuf_header_free()
270 		dma_pool_free(man->headers, header->cb_header,  in __vmw_cmdbuf_header_free()
271 			      header->handle);  in __vmw_cmdbuf_header_free()
272 	kfree(header);  in __vmw_cmdbuf_header_free()
279  * @header: Pointer to the header to free.
281 void vmw_cmdbuf_header_free(struct vmw_cmdbuf_header *header)  in vmw_cmdbuf_header_free()  argument
283 	struct vmw_cmdbuf_man *man = header->man;  in vmw_cmdbuf_header_free()
286 	if (header->inline_space) {  in vmw_cmdbuf_header_free()
287 		vmw_cmdbuf_header_inline_free(header);  in vmw_cmdbuf_header_free()
291 	__vmw_cmdbuf_header_free(header);  in vmw_cmdbuf_header_free()
299  * @header: The header of the buffer to submit.
301 static int vmw_cmdbuf_header_submit(struct vmw_cmdbuf_header *header)  in vmw_cmdbuf_header_submit()  argument
303 	struct vmw_cmdbuf_man *man = header->man;  in vmw_cmdbuf_header_submit()
306 	val = upper_32_bits(header->handle);  in vmw_cmdbuf_header_submit()
309 	val = lower_32_bits(header->handle);  in vmw_cmdbuf_header_submit()
310 	val |= header->cb_context & SVGA_CB_CONTEXT_MASK;  in vmw_cmdbuf_header_submit()
313 	return header->cb_header->status;  in vmw_cmdbuf_header_submit()
409 			WARN_ONCE(true, "Command buffer header error.\n");  in vmw_cmdbuf_ctx_process()
466  * @header: The header of the buffer to submit.
469  * This function adds @header to the "submitted" queue of the command
475 			       struct vmw_cmdbuf_header *header,  in vmw_cmdbuf_ctx_add()  argument
478 	if (!(header->cb_header->flags & SVGA_CB_FLAG_DX_CONTEXT))  in vmw_cmdbuf_ctx_add()
479 		header->cb_header->dxContext = 0;  in vmw_cmdbuf_ctx_add()
480 	header->cb_context = cb_context;  in vmw_cmdbuf_ctx_add()
481 	list_add_tail(&header->list, &man->ctx[cb_context].submitted);  in vmw_cmdbuf_ctx_add()
531 		SVGA3dCmdHeader *header = (SVGA3dCmdHeader *)  in vmw_cmdbuf_work_func()  local
539 		if (!vmw_cmd_describe(header, &error_cmd_size, &cmd_name)) {  in vmw_cmdbuf_work_func()
852  * vmw_cmdbuf_space_pool - Set up a command buffer header with command buffer
856  * @header: Pointer to the header to set up.
861 				 struct vmw_cmdbuf_header *header,  in vmw_cmdbuf_space_pool()  argument
872 	ret = vmw_cmdbuf_alloc_space(man, &header->node,  size, interruptible);  in vmw_cmdbuf_space_pool()
877 	header->cb_header = dma_pool_zalloc(man->headers, GFP_KERNEL,  in vmw_cmdbuf_space_pool()
878 					    &header->handle);  in vmw_cmdbuf_space_pool()
879 	if (!header->cb_header) {  in vmw_cmdbuf_space_pool()
884 	header->size = header->node.size << PAGE_SHIFT;  in vmw_cmdbuf_space_pool()
885 	cb_hdr = header->cb_header;  in vmw_cmdbuf_space_pool()
886 	offset = header->node.start << PAGE_SHIFT;  in vmw_cmdbuf_space_pool()
887 	header->cmd = man->map + offset;  in vmw_cmdbuf_space_pool()
900 	drm_mm_remove_node(&header->node);  in vmw_cmdbuf_space_pool()
907  * vmw_cmdbuf_space_inline - Set up a command buffer header with
911  * @header: Pointer to the header to set up.
915 				   struct vmw_cmdbuf_header *header,  in vmw_cmdbuf_space_inline()  argument
925 				  &header->handle);  in vmw_cmdbuf_space_inline()
929 	header->inline_space = true;  in vmw_cmdbuf_space_inline()
930 	header->size = VMW_CMDBUF_INLINE_SIZE;  in vmw_cmdbuf_space_inline()
932 	header->cb_header = cb_hdr;  in vmw_cmdbuf_space_inline()
933 	header->cmd = dheader->cmd;  in vmw_cmdbuf_space_inline()
936 	cb_hdr->ptr.pa = (u64)header->handle +  in vmw_cmdbuf_space_inline()
943  * vmw_cmdbuf_alloc - Allocate a command buffer header complete with
949  * @p_header: points to a header pointer to populate on successful return.
952  * returns an error pointer. The header pointer returned in @p_header should
959 	struct vmw_cmdbuf_header *header;  in vmw_cmdbuf_alloc()  local
964 	header = kzalloc(sizeof(*header), GFP_KERNEL);  in vmw_cmdbuf_alloc()
965 	if (!header)  in vmw_cmdbuf_alloc()
969 		ret = vmw_cmdbuf_space_inline(man, header, size);  in vmw_cmdbuf_alloc()
971 		ret = vmw_cmdbuf_space_pool(man, header, size, interruptible);  in vmw_cmdbuf_alloc()
974 		kfree(header);  in vmw_cmdbuf_alloc()
978 	header->man = man;  in vmw_cmdbuf_alloc()
979 	INIT_LIST_HEAD(&header->list);  in vmw_cmdbuf_alloc()
980 	header->cb_header->status = SVGA_CB_STATUS_NONE;  in vmw_cmdbuf_alloc()
981 	*p_header = header;  in vmw_cmdbuf_alloc()
983 	return header->cmd;  in vmw_cmdbuf_alloc()
1067  * @header: Header of the command buffer. NULL if the current command buffer
1075 			 struct vmw_cmdbuf_header *header)  in vmw_cmdbuf_reserve()  argument
1077 	if (!header)  in vmw_cmdbuf_reserve()
1080 	if (size > header->size)  in vmw_cmdbuf_reserve()
1084 		header->cb_header->flags |= SVGA_CB_FLAG_DX_CONTEXT;  in vmw_cmdbuf_reserve()
1085 		header->cb_header->dxContext = ctx_id;  in vmw_cmdbuf_reserve()
1088 	header->reserved = size;  in vmw_cmdbuf_reserve()
1089 	return header->cmd;  in vmw_cmdbuf_reserve()
1097  * @header: Header of the command buffer. NULL if the current command buffer
1102 		       struct vmw_cmdbuf_header *header, bool flush)  in vmw_cmdbuf_commit()  argument
1104 	if (!header) {  in vmw_cmdbuf_commit()
1111 	WARN_ON(size > header->reserved);  in vmw_cmdbuf_commit()
1112 	man->cur = header;  in vmw_cmdbuf_commit()
1115 		header->cb_header->flags &= ~SVGA_CB_FLAG_DX_CONTEXT;  in vmw_cmdbuf_commit()
1135 	struct vmw_cmdbuf_header *header;  in vmw_cmdbuf_send_device_command()  local
1137 	void *cmd = vmw_cmdbuf_alloc(man, size, false, &header);  in vmw_cmdbuf_send_device_command()
1143 	header->cb_header->length = size;  in vmw_cmdbuf_send_device_command()
1144 	header->cb_context = SVGA_CB_CONTEXT_DEVICE;  in vmw_cmdbuf_send_device_command()
1146 	status = vmw_cmdbuf_header_submit(header);  in vmw_cmdbuf_send_device_command()
1148 	vmw_cmdbuf_header_free(header);  in vmw_cmdbuf_send_device_command()