1 /*
2 * Copyright © 2023 Imagination Technologies Ltd.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24 #ifndef PVR_SRV_SYNC_PRIM_H
25 #define PVR_SRV_SYNC_PRIM_H
26
27 #include <stdint.h>
28 #include <vulkan/vulkan_core.h>
29
30 #include "util/u_idalloc.h"
31
32 struct pvr_srv_winsys;
33
34 struct pvr_srv_sync_prim_ctx {
35 /* Sync block used for allocating sync primitives. */
36 void *block_handle;
37 uint32_t block_fw_addr;
38
39 struct util_idalloc_mt allocator;
40 /* Top limit for how many sync prims can be allocated from the block. */
41 uint32_t max_count;
42 };
43
44 struct pvr_srv_sync_prim {
45 struct pvr_srv_sync_prim_ctx *ctx;
46 uint32_t offset;
47 uint32_t value;
48 };
49
50 VkResult pvr_srv_sync_prim_block_init(struct pvr_srv_winsys *srv_ws);
51 void pvr_srv_sync_prim_block_finish(struct pvr_srv_winsys *srv_ws);
52
53 struct pvr_srv_sync_prim *
54 pvr_srv_sync_prim_alloc(struct pvr_srv_winsys *srv_ws);
55 void pvr_srv_sync_prim_free(struct pvr_srv_winsys *srv_ws,
56 struct pvr_srv_sync_prim *sync_prim);
57
58 static inline uint32_t
pvr_srv_sync_prim_get_fw_addr(const struct pvr_srv_sync_prim * const sync_prim)59 pvr_srv_sync_prim_get_fw_addr(const struct pvr_srv_sync_prim *const sync_prim)
60 {
61 return sync_prim->ctx->block_fw_addr + sync_prim->offset;
62 }
63
64 #endif /* PVR_SRV_SYNC_PRIM_H */
65