mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 09:19:51 +00:00
![Matthew Auld](/assets/img/avatar_default.png)
No longer used. Signed-off-by: Matthew Auld <matthew.auld@intel.com> Cc: Thomas Hellström <thomas.hellstrom@linux.intel.com> Cc: Lionel Landwerlin <lionel.g.landwerlin@intel.com> Cc: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Cc: Jon Bloomfield <jon.bloomfield@intel.com> Cc: Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Kenneth Graunke <kenneth@whitecape.org> Cc: Akeem G Abodunrin <akeem.g.abodunrin@intel.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220629174350.384910-4-matthew.auld@intel.com
139 lines
3.6 KiB
C
139 lines
3.6 KiB
C
/* 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 REGION_SMEM BIT(INTEL_REGION_SMEM)
|
|
#define REGION_LMEM BIT(INTEL_REGION_LMEM_0)
|
|
#define REGION_STOLEN_SMEM BIT(INTEL_REGION_STOLEN_SMEM)
|
|
#define REGION_STOLEN_LMEM BIT(INTEL_REGION_STOLEN_LMEM)
|
|
|
|
#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 {
|
|
unsigned int flags;
|
|
|
|
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;
|
|
|
|
resource_size_t io_start;
|
|
resource_size_t io_size;
|
|
resource_size_t min_page_size;
|
|
resource_size_t total;
|
|
|
|
u16 type;
|
|
u16 instance;
|
|
enum intel_region_id id;
|
|
char 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
|