| 1 | /* SPDX-License-Identifier: GPL-2.0 OR MIT */ |
|---|---|
| 2 | /* Copyright 2018-2019 Qiang Yu <yuq825@gmail.com> */ |
| 3 | |
| 4 | #ifndef __LIMA_CTX_H__ |
| 5 | #define __LIMA_CTX_H__ |
| 6 | |
| 7 | #include <linux/xarray.h> |
| 8 | #include <linux/sched.h> |
| 9 | |
| 10 | #include "lima_device.h" |
| 11 | |
| 12 | struct lima_ctx { |
| 13 | struct kref refcnt; |
| 14 | struct lima_device *dev; |
| 15 | struct lima_sched_context context[lima_pipe_num]; |
| 16 | atomic_t guilty; |
| 17 | |
| 18 | /* debug info */ |
| 19 | char pname[TASK_COMM_LEN]; |
| 20 | pid_t pid; |
| 21 | }; |
| 22 | |
| 23 | struct lima_ctx_mgr { |
| 24 | struct mutex lock; |
| 25 | struct xarray handles; |
| 26 | }; |
| 27 | |
| 28 | int lima_ctx_create(struct lima_device *dev, struct lima_ctx_mgr *mgr, u32 *id); |
| 29 | int lima_ctx_free(struct lima_ctx_mgr *mgr, u32 id); |
| 30 | struct lima_ctx *lima_ctx_get(struct lima_ctx_mgr *mgr, u32 id); |
| 31 | void lima_ctx_put(struct lima_ctx *ctx); |
| 32 | void lima_ctx_mgr_init(struct lima_ctx_mgr *mgr); |
| 33 | void lima_ctx_mgr_fini(struct lima_ctx_mgr *mgr); |
| 34 | |
| 35 | #endif |
| 36 |