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Diffstat (limited to 'amdgpu/amdgpu_internal.h')
| -rw-r--r-- | amdgpu/amdgpu_internal.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/amdgpu/amdgpu_internal.h b/amdgpu/amdgpu_internal.h new file mode 100644 index 0000000..2834c9c --- /dev/null +++ b/amdgpu/amdgpu_internal.h @@ -0,0 +1,175 @@ +/* + * Copyright © 2014 Advanced Micro Devices, Inc. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#ifndef _AMDGPU_INTERNAL_H_ +#define _AMDGPU_INTERNAL_H_ + +#include <assert.h> +#include <pthread.h> + +#include "libdrm_macros.h" +#include "xf86atomic.h" +#include "amdgpu.h" +#include "util_double_list.h" +#include "handle_table.h" + +#define AMDGPU_CS_MAX_RINGS 8 +/* do not use below macro if b is not power of 2 aligned value */ +#define __round_mask(x, y) ((__typeof__(x))((y)-1)) +#define ROUND_UP(x, y) ((((x)-1) | __round_mask(x, y))+1) +#define ROUND_DOWN(x, y) ((x) & ~__round_mask(x, y)) + +#define AMDGPU_INVALID_VA_ADDRESS 0xffffffffffffffff +#define AMDGPU_NULL_SUBMIT_SEQ 0 + +struct amdgpu_bo_va_hole { + struct list_head list; + uint64_t offset; + uint64_t size; +}; + +struct amdgpu_bo_va_mgr { + uint64_t va_max; + struct list_head va_holes; + pthread_mutex_t bo_va_mutex; + uint32_t va_alignment; +}; + +struct amdgpu_va { + uint64_t address; + uint64_t size; + enum amdgpu_gpu_va_range range; + struct amdgpu_bo_va_mgr *vamgr; +}; + +struct amdgpu_device { + atomic_t refcount; + struct amdgpu_device *next; + int fd; + int flink_fd; + unsigned major_version; + unsigned minor_version; + + char *marketing_name; + /** List of buffer handles. Protected by bo_table_mutex. */ + struct handle_table bo_handles; + /** List of buffer GEM flink names. Protected by bo_table_mutex. */ + struct handle_table bo_flink_names; + /** This protects all hash tables. */ + pthread_mutex_t bo_table_mutex; + struct drm_amdgpu_info_device dev_info; + struct amdgpu_gpu_info info; + /** The VA manager for the lower virtual address space */ + struct amdgpu_bo_va_mgr vamgr; + /** The VA manager for the 32bit address space */ + struct amdgpu_bo_va_mgr vamgr_32; + /** The VA manager for the high virtual address space */ + struct amdgpu_bo_va_mgr vamgr_high; + /** The VA manager for the 32bit high address space */ + struct amdgpu_bo_va_mgr vamgr_high_32; +}; + +struct amdgpu_bo { + atomic_t refcount; + struct amdgpu_device *dev; + + uint64_t alloc_size; + + uint32_t handle; + uint32_t flink_name; + + pthread_mutex_t cpu_access_mutex; + void *cpu_ptr; + int64_t cpu_map_count; +}; + +struct amdgpu_bo_list { + struct amdgpu_device *dev; + + uint32_t handle; +}; + +struct amdgpu_context { + struct amdgpu_device *dev; + /** Mutex for accessing fences and to maintain command submissions + in good sequence. */ + pthread_mutex_t sequence_mutex; + /* context id*/ + uint32_t id; + uint64_t last_seq[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS]; + struct list_head sem_list[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS]; +}; + +/** + * Structure describing sw semaphore based on scheduler + * + */ +struct amdgpu_semaphore { + atomic_t refcount; + struct list_head list; + struct amdgpu_cs_fence signal_fence; +}; + +/** + * Functions. + */ + +drm_private void amdgpu_vamgr_init(struct amdgpu_bo_va_mgr *mgr, uint64_t start, + uint64_t max, uint64_t alignment); + +drm_private void amdgpu_vamgr_deinit(struct amdgpu_bo_va_mgr *mgr); + +drm_private void amdgpu_parse_asic_ids(struct amdgpu_device *dev); + +drm_private int amdgpu_query_gpu_info_init(amdgpu_device_handle dev); + +drm_private uint64_t amdgpu_cs_calculate_timeout(uint64_t timeout); + +/** + * Inline functions. + */ + +/** + * Increment src and decrement dst as if we were updating references + * for an assignment between 2 pointers of some objects. + * + * \return true if dst is 0 + */ +static inline bool update_references(atomic_t *dst, atomic_t *src) +{ + if (dst != src) { + /* bump src first */ + if (src) { + assert(atomic_read(src) > 0); + atomic_inc(src); + } + if (dst) { + assert(atomic_read(dst) > 0); + return atomic_dec_and_test(dst); + } + } + return false; +} + +#endif |