/* SPDX-License-Identifier: MIT */
#ifndef __NOUVEAU_BO_H__
#define __NOUVEAU_BO_H__
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/drm_gem.h>
struct nouveau_channel;
struct nouveau_cli;
struct nouveau_drm;
struct nouveau_fence;
struct nouveau_bo {
struct ttm_buffer_object bo;
struct ttm_placement placement;
u32 valid_domains;
struct ttm_place placements[3];
struct ttm_place busy_placements[3];
bool force_coherent;
struct ttm_bo_kmap_obj kmap;
struct list_head head;
struct list_head io_reserve_lru;
/* protected by ttm_bo_reserve() */
struct drm_file *reserved_by;
struct list_head entry;
int pbbo_index;
bool validate_mapped;
/* GPU address space is independent of CPU word size */
uint64_t offset;
struct list_head vma_list;
unsigned contig:1;
unsigned page:5;
unsigned kind:8;
unsigned comp:3;
unsigned zeta:3;
unsigned mode;
struct nouveau_drm_tile *tile;
/* protect by the ttm reservation lock */
int pin_refcnt;
struct ttm_bo_kmap_obj dma_buf_vmap;
};
static inline struct nouveau_bo *
nouveau_bo(struct ttm_buffer_object *bo)
{
return container_of(bo, struct nouveau_bo, bo);
}
static inline int
nouveau_bo_ref(struct nouveau_bo *ref, struct nouveau_bo **pnvbo)
{
struct nouveau_bo *prev;
if (!pnvbo)
return -EINVAL;
prev = *pnvbo;
if (ref) {
ttm_bo_get(&ref->bo);
*pnvbo = nouveau_bo(&ref->bo);
} else {
*pnvbo = NULL;
}
if (prev)
ttm_bo_put(&prev->bo);
return 0;
}
extern struct ttm_bo_driver nouveau_bo_driver;
void nouveau_bo_move_init(struct nouveau_drm *);
struct nouveau_bo *nouveau_bo_alloc(struct nouveau_cli *, u64 *size, int *align,
u32 domain, u32 tile_mode, u32 tile_flags);
int nouveau_bo_init(struct nouveau_bo *, u64 size, int align, u32 domain,
struct sg_table *sg, struct dma_resv *robj);
int nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 domain,
u32 tile_mode, u32 tile_flags, struct sg_table *sg,
struct dma_resv *robj,
struct nouveau_bo **);
int nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
int nouveau_bo_unpin(struct nouveau_bo *);
int nouveau_bo_map(struct nouveau_bo *);
void nouveau_bo_unmap(struct nouveau_bo *);
void nouveau_bo_placement_set(struct nouveau_bo *, u32 type, u32 busy);
void nouveau_bo_wr16(struct nouveau_bo *, unsigned index, u16 val);
u32 nouveau_bo_rd32(struct nouveau_bo *, unsigned index);
void nouveau_bo_wr32(struct nouveau_bo *, unsigned index, u32 val);
void nouveau_bo_fence(struct nouveau_bo *, struct nouveau_fence *, bool exclusive);
int nouveau_bo_validate(struct nouveau_bo *, bool interruptible,
bool no_wait_gpu);
void nouveau_bo_sync_for_device(struct nouveau_bo *nvbo);
void nouveau_bo_sync_for_cpu(struct nouveau_bo *nvbo);
void nouveau_bo_add_io_reserve_lru(struct ttm_buffer_object *bo);
void nouveau_bo_del_io_reserve_lru(struct ttm_buffer_object *bo);
/* TODO: submit equivalent to TTM generic API upstream? */
static inline void __iomem *
nvbo_kmap_obj_iovirtual(struct nouveau_bo *nvbo)
{
bool is_iomem;
void __iomem *ioptr = (void __force __iomem *)ttm_kmap_obj_virtual(
&nvbo->kmap, &is_iomem);
WARN_ON_ONCE(ioptr && !is_iomem);
return ioptr;
}
static inline void
nouveau_bo_unmap_unpin_unref(struct nouveau_bo **pnvbo)
{
if (*pnvbo) {
nouveau_bo_unmap(*pnvbo);
nouveau_bo_unpin(*pnvbo);
nouveau_bo_ref(NULL, pnvbo);
}
}
static inline int
nouveau_bo_new_pin_map(struct nouveau_cli *cli, u64 size, int align, u32 domain,
struct nouveau_bo **pnvbo)
{
int ret = nouveau_bo_new(cli, size, align, domain,
0, 0, NULL, NULL, pnvbo);
if (ret == 0) {
ret = nouveau_bo_pin(*pnvbo, domain, true);
if (ret == 0) {
ret = nouveau_bo_map(*pnvbo);
if (ret == 0)
return ret;
nouveau_bo_unpin(*pnvbo);
}
nouveau_bo_ref(NULL, pnvbo);
}
return ret;
}
int nv04_bo_move_init(struct nouveau_channel *, u32);
int nv04_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
struct ttm_resource *, struct ttm_resource *);
int nv50_bo_move_init(struct nouveau_channel *, u32);
int nv50_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
struct ttm_resource *, struct ttm_resource *);
int nv84_bo_move_exec(struct nouveau_channel *, struct ttm_buffer_object *,
struct ttm_resource *, struct ttm_resource *);
int nva3_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
struct ttm_resource *, struct ttm_resource *);
int nvc0_bo_move_init(struct nouveau_channel *, u32);
int nvc0_bo_move_m2mf(struct nouveau_channel *, struct ttm_buffer_object *,
struct ttm_resource *, struct ttm_resource *);
int nvc0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
struct ttm_resource *, struct ttm_resource *);
int nve0_bo_move_init(struct nouveau_channel *, u32);
int nve0_bo_move_copy(struct nouveau_channel *, struct ttm_buffer_object *,
struct ttm_resource *, struct ttm_resource *);
#define NVBO_WR32_(b,o,dr,f) nouveau_bo_wr32((b), (o)/4 + (dr), (f))
#define NVBO_RD32_(b,o,dr) nouveau_bo_rd32((b), (o)/4 + (dr))
#define NVBO_RD32(A...) DRF_RD(NVBO_RD32_, ##A)
#define NVBO_RV32(A...) DRF_RV(NVBO_RD32_, ##A)
#define NVBO_TV32(A...) DRF_TV(NVBO_RD32_, ##A)
#define NVBO_TD32(A...) DRF_TD(NVBO_RD32_, ##A)
#define NVBO_WR32(A...) DRF_WR( NVBO_WR32_, ##A)
#define NVBO_WV32(A...) DRF_WV( NVBO_WR32_, ##A)
#define NVBO_WD32(A...) DRF_WD( NVBO_WR32_, ##A)
#define NVBO_MR32(A...) DRF_MR(NVBO_RD32_, NVBO_WR32_, u32, ##A)
#define NVBO_MV32(A...) DRF_MV(NVBO_RD32_, NVBO_WR32_, u32, ##A)
#define NVBO_MD32(A...) DRF_MD(NVBO_RD32_, NVBO_WR32_, u32, ##A)
#endif
