diff options
Diffstat (limited to 'include/drm/ttm/ttm_memory.h')
| -rw-r--r-- | include/drm/ttm/ttm_memory.h | 49 |
1 files changed, 27 insertions, 22 deletions
diff --git a/include/drm/ttm/ttm_memory.h b/include/drm/ttm/ttm_memory.h index d8b8f042c4f..72dcbe81dd0 100644 --- a/include/drm/ttm/ttm_memory.h +++ b/include/drm/ttm/ttm_memory.h @@ -30,8 +30,11 @@ #include <linux/workqueue.h> #include <linux/spinlock.h> +#include <linux/bug.h> #include <linux/wait.h> #include <linux/errno.h> +#include <linux/kobject.h> +#include <linux/mm.h> /** * struct ttm_mem_shrink - callback to shrink TTM memory usage. @@ -39,7 +42,7 @@ * @do_shrink: The callback function. * * Arguments to the do_shrink functions are intended to be passed using - * inheritance. That is, the argument class derives from struct ttm_mem_srink, + * inheritance. That is, the argument class derives from struct ttm_mem_shrink, * and can be accessed using container_of(). */ @@ -57,37 +60,34 @@ struct ttm_mem_shrink { * for the GPU, and this will otherwise block other workqueue tasks(?) * At this point we use only a single-threaded workqueue. * @work: The workqueue callback for the shrink queue. - * @queue: Wait queue for processes suspended waiting for memory. * @lock: Lock to protect the @shrink - and the memory accounting members, * that is, essentially the whole structure with some exceptions. - * @emer_memory: Lowmem memory limit available for root. - * @max_memory: Lowmem memory limit available for non-root. - * @swap_limit: Lowmem memory limit where the shrink workqueue kicks in. - * @used_memory: Currently used lowmem memory. - * @used_total_memory: Currently used total (lowmem + highmem) memory. - * @total_memory_swap_limit: Total memory limit where the shrink workqueue - * kicks in. - * @max_total_memory: Total memory available to non-root processes. - * @emer_total_memory: Total memory available to root processes. + * @zones: Array of pointers to accounting zones. + * @num_zones: Number of populated entries in the @zones array. + * @zone_kernel: Pointer to the kernel zone. + * @zone_highmem: Pointer to the highmem zone if there is one. + * @zone_dma32: Pointer to the dma32 zone if there is one. * * Note that this structure is not per device. It should be global for all * graphics devices. */ +#define TTM_MEM_MAX_ZONES 2 +struct ttm_mem_zone; struct ttm_mem_global { + struct kobject kobj; struct ttm_mem_shrink *shrink; struct workqueue_struct *swap_queue; struct work_struct work; - wait_queue_head_t queue; spinlock_t lock; - uint64_t emer_memory; - uint64_t max_memory; - uint64_t swap_limit; - uint64_t used_memory; - uint64_t used_total_memory; - uint64_t total_memory_swap_limit; - uint64_t max_total_memory; - uint64_t emer_total_memory; + struct ttm_mem_zone *zones[TTM_MEM_MAX_ZONES]; + unsigned int num_zones; + struct ttm_mem_zone *zone_kernel; +#ifdef CONFIG_HIGHMEM + struct ttm_mem_zone *zone_highmem; +#else + struct ttm_mem_zone *zone_dma32; +#endif }; /** @@ -146,8 +146,13 @@ static inline void ttm_mem_unregister_shrink(struct ttm_mem_global *glob, extern int ttm_mem_global_init(struct ttm_mem_global *glob); extern void ttm_mem_global_release(struct ttm_mem_global *glob); extern int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory, - bool no_wait, bool interruptible, bool himem); + bool no_wait, bool interruptible); extern void ttm_mem_global_free(struct ttm_mem_global *glob, - uint64_t amount, bool himem); + uint64_t amount); +extern int ttm_mem_global_alloc_page(struct ttm_mem_global *glob, + struct page *page, + bool no_wait, bool interruptible); +extern void ttm_mem_global_free_page(struct ttm_mem_global *glob, + struct page *page); extern size_t ttm_round_pot(size_t size); #endif |