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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/i915/intel_memory_region.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_memory_region.h')
-rw-r--r-- | drivers/gpu/drm/i915/intel_memory_region.h | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h new file mode 100644 index 0000000000..2953ed5c32 --- /dev/null +++ b/drivers/gpu/drm/i915/intel_memory_region.h @@ -0,0 +1,139 @@ +/* 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 |