Blame amdgpu/amdgpu_internal.h

Packit 631bab
/*
Packit 631bab
 * Copyright © 2014 Advanced Micro Devices, Inc.
Packit 631bab
 * All Rights Reserved.
Packit 631bab
 *
Packit 631bab
 * Permission is hereby granted, free of charge, to any person obtaining a
Packit 631bab
 * copy of this software and associated documentation files (the "Software"),
Packit 631bab
 * to deal in the Software without restriction, including without limitation
Packit 631bab
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
Packit 631bab
 * and/or sell copies of the Software, and to permit persons to whom the
Packit 631bab
 * Software is furnished to do so, subject to the following conditions:
Packit 631bab
 *
Packit 631bab
 * The above copyright notice and this permission notice shall be included in
Packit 631bab
 * all copies or substantial portions of the Software.
Packit 631bab
 *
Packit 631bab
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Packit 631bab
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Packit 631bab
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
Packit 631bab
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
Packit 631bab
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
Packit 631bab
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
Packit 631bab
 * OTHER DEALINGS IN THE SOFTWARE.
Packit 631bab
 *
Packit 631bab
 */
Packit 631bab
Packit 631bab
#ifndef _AMDGPU_INTERNAL_H_
Packit 631bab
#define _AMDGPU_INTERNAL_H_
Packit 631bab
Packit 631bab
#include <assert.h>
Packit 631bab
#include <pthread.h>
Packit 631bab
Packit 631bab
#include "libdrm_macros.h"
Packit 631bab
#include "xf86atomic.h"
Packit 631bab
#include "amdgpu.h"
Packit 631bab
#include "util_double_list.h"
Packit 631bab
#include "handle_table.h"
Packit 631bab
Packit 631bab
#define AMDGPU_CS_MAX_RINGS 8
Packit 631bab
/* do not use below macro if b is not power of 2 aligned value */
Packit 631bab
#define __round_mask(x, y) ((__typeof__(x))((y)-1))
Packit 631bab
#define ROUND_UP(x, y) ((((x)-1) | __round_mask(x, y))+1)
Packit 631bab
#define ROUND_DOWN(x, y) ((x) & ~__round_mask(x, y))
Packit 631bab
Packit 631bab
#define AMDGPU_INVALID_VA_ADDRESS	0xffffffffffffffff
Packit 631bab
#define AMDGPU_NULL_SUBMIT_SEQ		0
Packit 631bab
Packit 631bab
struct amdgpu_bo_va_hole {
Packit 631bab
	struct list_head list;
Packit 631bab
	uint64_t offset;
Packit 631bab
	uint64_t size;
Packit 631bab
};
Packit 631bab
Packit 631bab
struct amdgpu_bo_va_mgr {
Packit 631bab
	uint64_t va_max;
Packit 631bab
	struct list_head va_holes;
Packit 631bab
	pthread_mutex_t bo_va_mutex;
Packit 631bab
	uint32_t va_alignment;
Packit 631bab
};
Packit 631bab
Packit 631bab
struct amdgpu_va {
Packit 631bab
	amdgpu_device_handle dev;
Packit 631bab
	uint64_t address;
Packit 631bab
	uint64_t size;
Packit 631bab
	enum amdgpu_gpu_va_range range;
Packit 631bab
	struct amdgpu_bo_va_mgr *vamgr;
Packit 631bab
};
Packit 631bab
Packit 631bab
struct amdgpu_device {
Packit 631bab
	atomic_t refcount;
Packit 631bab
	struct amdgpu_device *next;
Packit 631bab
	int fd;
Packit 631bab
	int flink_fd;
Packit 631bab
	unsigned major_version;
Packit 631bab
	unsigned minor_version;
Packit 631bab
Packit 631bab
	char *marketing_name;
Packit 631bab
	/** List of buffer handles. Protected by bo_table_mutex. */
Packit 631bab
	struct handle_table bo_handles;
Packit 631bab
	/** List of buffer GEM flink names. Protected by bo_table_mutex. */
Packit 631bab
	struct handle_table bo_flink_names;
Packit 631bab
	/** This protects all hash tables. */
Packit 631bab
	pthread_mutex_t bo_table_mutex;
Packit 631bab
	struct drm_amdgpu_info_device dev_info;
Packit 631bab
	struct amdgpu_gpu_info info;
Packit 631bab
	/** The VA manager for the lower virtual address space */
Packit 631bab
	struct amdgpu_bo_va_mgr vamgr;
Packit 631bab
	/** The VA manager for the 32bit address space */
Packit 631bab
	struct amdgpu_bo_va_mgr vamgr_32;
Packit 631bab
	/** The VA manager for the high virtual address space */
Packit 631bab
	struct amdgpu_bo_va_mgr vamgr_high;
Packit 631bab
	/** The VA manager for the 32bit high address space */
Packit 631bab
	struct amdgpu_bo_va_mgr vamgr_high_32;
Packit 631bab
};
Packit 631bab
Packit 631bab
struct amdgpu_bo {
Packit 631bab
	atomic_t refcount;
Packit 631bab
	struct amdgpu_device *dev;
Packit 631bab
Packit 631bab
	uint64_t alloc_size;
Packit 631bab
Packit 631bab
	uint32_t handle;
Packit 631bab
	uint32_t flink_name;
Packit 631bab
Packit 631bab
	pthread_mutex_t cpu_access_mutex;
Packit 631bab
	void *cpu_ptr;
Packit 631bab
	int cpu_map_count;
Packit 631bab
};
Packit 631bab
Packit 631bab
struct amdgpu_bo_list {
Packit 631bab
	struct amdgpu_device *dev;
Packit 631bab
Packit 631bab
	uint32_t handle;
Packit 631bab
};
Packit 631bab
Packit 631bab
struct amdgpu_context {
Packit 631bab
	struct amdgpu_device *dev;
Packit 631bab
	/** Mutex for accessing fences and to maintain command submissions
Packit 631bab
	    in good sequence. */
Packit 631bab
	pthread_mutex_t sequence_mutex;
Packit 631bab
	/* context id*/
Packit 631bab
	uint32_t id;
Packit 631bab
	uint64_t last_seq[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS];
Packit 631bab
	struct list_head sem_list[AMDGPU_HW_IP_NUM][AMDGPU_HW_IP_INSTANCE_MAX_COUNT][AMDGPU_CS_MAX_RINGS];
Packit 631bab
};
Packit 631bab
Packit 631bab
/**
Packit 631bab
 * Structure describing sw semaphore based on scheduler
Packit 631bab
 *
Packit 631bab
 */
Packit 631bab
struct amdgpu_semaphore {
Packit 631bab
	atomic_t refcount;
Packit 631bab
	struct list_head list;
Packit 631bab
	struct amdgpu_cs_fence signal_fence;
Packit 631bab
};
Packit 631bab
Packit 631bab
/**
Packit 631bab
 * Functions.
Packit 631bab
 */
Packit 631bab
Packit 631bab
drm_private void amdgpu_vamgr_init(struct amdgpu_bo_va_mgr *mgr, uint64_t start,
Packit 631bab
		       uint64_t max, uint64_t alignment);
Packit 631bab
Packit 631bab
drm_private void amdgpu_vamgr_deinit(struct amdgpu_bo_va_mgr *mgr);
Packit 631bab
Packit 631bab
drm_private void amdgpu_parse_asic_ids(struct amdgpu_device *dev);
Packit 631bab
Packit 631bab
drm_private int amdgpu_query_gpu_info_init(amdgpu_device_handle dev);
Packit 631bab
Packit 631bab
drm_private uint64_t amdgpu_cs_calculate_timeout(uint64_t timeout);
Packit 631bab
Packit 631bab
/**
Packit 631bab
 * Inline functions.
Packit 631bab
 */
Packit 631bab
Packit 631bab
/**
Packit 631bab
 * Increment src and decrement dst as if we were updating references
Packit 631bab
 * for an assignment between 2 pointers of some objects.
Packit 631bab
 *
Packit 631bab
 * \return  true if dst is 0
Packit 631bab
 */
Packit 631bab
static inline bool update_references(atomic_t *dst, atomic_t *src)
Packit 631bab
{
Packit 631bab
	if (dst != src) {
Packit 631bab
		/* bump src first */
Packit 631bab
		if (src) {
Packit 631bab
			assert(atomic_read(src) > 0);
Packit 631bab
			atomic_inc(src);
Packit 631bab
		}
Packit 631bab
		if (dst) {
Packit 631bab
			assert(atomic_read(dst) > 0);
Packit 631bab
			return atomic_dec_and_test(dst);
Packit 631bab
		}
Packit 631bab
	}
Packit 631bab
	return false;
Packit 631bab
}
Packit 631bab
Packit 631bab
#endif