diff options
Diffstat (limited to 'include/drm/ttm/ttm_bo_api.h')
| -rw-r--r-- | include/drm/ttm/ttm_bo_api.h | 109 |
1 files changed, 11 insertions, 98 deletions
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h index a9e13b252820..6c580987ba16 100644 --- a/include/drm/ttm/ttm_bo_api.h +++ b/include/drm/ttm/ttm_bo_api.h @@ -42,6 +42,8 @@ #include <linux/bitmap.h> #include <linux/dma-resv.h> +#include "ttm_resource.h" + struct ttm_bo_global; struct ttm_bo_device; @@ -55,55 +57,6 @@ struct ttm_place; struct ttm_lru_bulk_move; /** - * struct ttm_bus_placement - * - * @addr: mapped virtual address - * @base: bus base address - * @is_iomem: is this io memory ? - * @size: size in byte - * @offset: offset from the base address - * @io_reserved_vm: The VM system has a refcount in @io_reserved_count - * @io_reserved_count: Refcounting the numbers of callers to ttm_mem_io_reserve - * - * Structure indicating the bus placement of an object. - */ -struct ttm_bus_placement { - void *addr; - phys_addr_t base; - unsigned long size; - unsigned long offset; - bool is_iomem; - bool io_reserved_vm; - uint64_t io_reserved_count; -}; - - -/** - * struct ttm_mem_reg - * - * @mm_node: Memory manager node. - * @size: Requested size of memory region. - * @num_pages: Actual size of memory region in pages. - * @page_alignment: Page alignment. - * @placement: Placement flags. - * @bus: Placement on io bus accessible to the CPU - * - * Structure indicating the placement and space resources used by a - * buffer object. - */ - -struct ttm_mem_reg { - void *mm_node; - unsigned long start; - unsigned long size; - unsigned long num_pages; - uint32_t page_alignment; - uint32_t mem_type; - uint32_t placement; - struct ttm_bus_placement bus; -}; - -/** * enum ttm_bo_type * * @ttm_bo_type_device: These are 'normal' buffers that can @@ -185,7 +138,7 @@ struct ttm_buffer_object { * Members protected by the bo::resv::reserved lock. */ - struct ttm_mem_reg mem; + struct ttm_resource mem; struct file *persistent_swap_storage; struct ttm_tt *ttm; bool evicted; @@ -314,12 +267,12 @@ int ttm_bo_wait(struct ttm_buffer_object *bo, bool interruptible, bool no_wait); * ttm_bo_mem_compat - Check if proposed placement is compatible with a bo * * @placement: Return immediately if buffer is busy. - * @mem: The struct ttm_mem_reg indicating the region where the bo resides + * @mem: The struct ttm_resource indicating the region where the bo resides * @new_flags: Describes compatible placement found * * Returns true if the placement is compatible */ -bool ttm_bo_mem_compat(struct ttm_placement *placement, struct ttm_mem_reg *mem, +bool ttm_bo_mem_compat(struct ttm_placement *placement, struct ttm_resource *mem, uint32_t *new_flags); /** @@ -532,52 +485,6 @@ int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size, struct ttm_buffer_object **p_bo); /** - * ttm_bo_init_mm - * - * @bdev: Pointer to a ttm_bo_device struct. - * @mem_type: The memory type. - * @p_size: size managed area in pages. - * - * Initialize a manager for a given memory type. - * Note: if part of driver firstopen, it must be protected from a - * potentially racing lastclose. - * Returns: - * -EINVAL: invalid size or memory type. - * -ENOMEM: Not enough memory. - * May also return driver-specified errors. - */ -int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type, - unsigned long p_size); - -/** - * ttm_bo_clean_mm - * - * @bdev: Pointer to a ttm_bo_device struct. - * @mem_type: The memory type. - * - * Take down a manager for a given memory type after first walking - * the LRU list to evict any buffers left alive. - * - * Normally, this function is part of lastclose() or unload(), and at that - * point there shouldn't be any buffers left created by user-space, since - * there should've been removed by the file descriptor release() method. - * However, before this function is run, make sure to signal all sync objects, - * and verify that the delayed delete queue is empty. The driver must also - * make sure that there are no NO_EVICT buffers present in this memory type - * when the call is made. - * - * If this function is part of a VT switch, the caller must make sure that - * there are no appications currently validating buffers before this - * function is called. The caller can do that by first taking the - * struct ttm_bo_device::ttm_lock in write mode. - * - * Returns: - * -EINVAL: invalid or uninitialized memory type. - * -EBUSY: There are still buffers left in this memory type. - */ -int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type); - -/** * ttm_bo_evict_mm * * @bdev: Pointer to a ttm_bo_device struct. @@ -713,6 +620,12 @@ static inline bool ttm_bo_uses_embedded_gem_object(struct ttm_buffer_object *bo) return bo->base.dev != NULL; } +int ttm_mem_evict_first(struct ttm_bo_device *bdev, + struct ttm_resource_manager *man, + const struct ttm_place *place, + struct ttm_operation_ctx *ctx, + struct ww_acquire_ctx *ticket); + /* Default number of pre-faulted pages in the TTM fault handler */ #define TTM_BO_VM_NUM_PREFAULT 16 |