Contributors: 16
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Matthew Auld |
258 |
58.64% |
16 |
34.04% |
| Chris Wilson |
48 |
10.91% |
9 |
19.15% |
| Lukasz Fiedorowicz |
36 |
8.18% |
1 |
2.13% |
| Thomas Hellstrom |
27 |
6.14% |
3 |
6.38% |
| Abdiel Janulgue |
17 |
3.86% |
3 |
6.38% |
| Tvrtko A. Ursulin |
12 |
2.73% |
2 |
4.26% |
| Jani Nikula |
10 |
2.27% |
4 |
8.51% |
| Joonas Lahtinen |
9 |
2.05% |
1 |
2.13% |
| Ramalingam C |
8 |
1.82% |
1 |
2.13% |
| CQ Tang |
5 |
1.14% |
1 |
2.13% |
| Ville Syrjälä |
3 |
0.68% |
1 |
2.13% |
| Mika Kuoppala |
2 |
0.45% |
1 |
2.13% |
| Christian König |
2 |
0.45% |
1 |
2.13% |
| Andi Shyti |
1 |
0.23% |
1 |
2.13% |
| Dave Airlie |
1 |
0.23% |
1 |
2.13% |
| Imre Deak |
1 |
0.23% |
1 |
2.13% |
| Total |
440 |
|
47 |
|
/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_MEMORY_REGION_H__
#define __INTEL_MEMORY_REGION_H__
#include <linux/ioport.h>
#include <linux/mutex.h>
#include <linux/io-mapping.h>
#include <drm/drm_mm.h>
#include <uapi/drm/i915_drm.h>
struct drm_i915_private;
struct drm_i915_gem_object;
struct drm_printer;
struct intel_memory_region;
struct sg_table;
struct ttm_resource;
enum intel_memory_type {
INTEL_MEMORY_SYSTEM = I915_MEMORY_CLASS_SYSTEM,
INTEL_MEMORY_LOCAL = I915_MEMORY_CLASS_DEVICE,
INTEL_MEMORY_STOLEN_SYSTEM,
INTEL_MEMORY_STOLEN_LOCAL,
INTEL_MEMORY_MOCK,
};
enum intel_region_id {
INTEL_REGION_SMEM = 0,
INTEL_REGION_LMEM_0,
INTEL_REGION_LMEM_1,
INTEL_REGION_LMEM_2,
INTEL_REGION_LMEM_3,
INTEL_REGION_STOLEN_SMEM,
INTEL_REGION_STOLEN_LMEM,
INTEL_REGION_UNKNOWN, /* Should be last */
};
#define I915_ALLOC_CONTIGUOUS BIT(0)
#define for_each_memory_region(mr, i915, id) \
for (id = 0; id < ARRAY_SIZE((i915)->mm.regions); id++) \
for_each_if((mr) = (i915)->mm.regions[id])
struct intel_memory_region_ops {
int (*init)(struct intel_memory_region *mem);
int (*release)(struct intel_memory_region *mem);
int (*init_object)(struct intel_memory_region *mem,
struct drm_i915_gem_object *obj,
resource_size_t offset,
resource_size_t size,
resource_size_t page_size,
unsigned int flags);
};
struct intel_memory_region {
struct drm_i915_private *i915;
const struct intel_memory_region_ops *ops;
struct io_mapping iomap;
struct resource region;
struct resource io;
resource_size_t min_page_size;
resource_size_t total;
u16 type;
u16 instance;
enum intel_region_id id;
char name[16];
char uabi_name[16];
bool private; /* not for userspace */
struct {
struct mutex lock; /* Protects access to objects */
struct list_head list;
} objects;
bool is_range_manager;
void *region_private;
};
struct intel_memory_region *
intel_memory_region_lookup(struct drm_i915_private *i915,
u16 class, u16 instance);
struct intel_memory_region *
intel_memory_region_create(struct drm_i915_private *i915,
resource_size_t start,
resource_size_t size,
resource_size_t min_page_size,
resource_size_t io_start,
resource_size_t io_size,
u16 type,
u16 instance,
const struct intel_memory_region_ops *ops);
void intel_memory_region_destroy(struct intel_memory_region *mem);
int intel_memory_regions_hw_probe(struct drm_i915_private *i915);
void intel_memory_regions_driver_release(struct drm_i915_private *i915);
struct intel_memory_region *
intel_memory_region_by_type(struct drm_i915_private *i915,
enum intel_memory_type mem_type);
__printf(2, 3) void
intel_memory_region_set_name(struct intel_memory_region *mem,
const char *fmt, ...);
int intel_memory_region_reserve(struct intel_memory_region *mem,
resource_size_t offset,
resource_size_t size);
void intel_memory_region_debug(struct intel_memory_region *mr,
struct drm_printer *printer);
void intel_memory_region_avail(struct intel_memory_region *mr,
u64 *avail, u64 *visible_avail);
struct intel_memory_region *
i915_gem_ttm_system_setup(struct drm_i915_private *i915,
u16 type, u16 instance);
struct intel_memory_region *
i915_gem_shmem_setup(struct drm_i915_private *i915,
u16 type, u16 instance);
#endif