#include "util/u_hash_table.h"
#include "util/u_memory.h"
#include "util/simple_list.h"
-#include "util/u_double_list.h"
#include "os/os_thread.h"
#include "os/os_mman.h"
-#include "os/os_time.h"
+#include "util/os_time.h"
#include "state_tracker/drm_driver.h"
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
+#include <inttypes.h>
-extern const struct pb_vtbl radeon_bo_vtbl;
+static struct pb_buffer *
+radeon_winsys_bo_create(struct radeon_winsys *rws,
+ uint64_t size,
+ unsigned alignment,
+ enum radeon_bo_domain domain,
+ enum radeon_bo_flag flags);
-static INLINE struct radeon_bo *radeon_bo(struct pb_buffer *bo)
+static inline struct radeon_bo *radeon_bo(struct pb_buffer *bo)
{
- assert(bo->vtbl == &radeon_bo_vtbl);
return (struct radeon_bo *)bo;
}
uint64_t size;
};
-struct radeon_bomgr {
- /* Base class. */
- struct pb_manager base;
-
- /* Winsys. */
- struct radeon_drm_winsys *rws;
-
- /* List of buffer GEM names. Protected by bo_handles_mutex. */
- struct util_hash_table *bo_names;
- /* List of buffer handles. Protectded by bo_handles_mutex. */
- struct util_hash_table *bo_handles;
- /* List of buffer virtual memory ranges. Protectded by bo_handles_mutex. */
- struct util_hash_table *bo_vas;
- pipe_mutex bo_handles_mutex;
- pipe_mutex bo_va_mutex;
-
- /* is virtual address supported */
- bool va;
- uint64_t va_offset;
- struct list_head va_holes;
-};
-
-static INLINE struct radeon_bomgr *radeon_bomgr(struct pb_manager *mgr)
+static bool radeon_real_bo_is_busy(struct radeon_bo *bo)
{
- return (struct radeon_bomgr *)mgr;
+ struct drm_radeon_gem_busy args = {0};
+
+ args.handle = bo->handle;
+ return drmCommandWriteRead(bo->rws->fd, DRM_RADEON_GEM_BUSY,
+ &args, sizeof(args)) != 0;
}
-static struct radeon_bo *get_radeon_bo(struct pb_buffer *_buf)
+static bool radeon_bo_is_busy(struct radeon_bo *bo)
{
- struct radeon_bo *bo = NULL;
+ unsigned num_idle;
+ bool busy = false;
- if (_buf->vtbl == &radeon_bo_vtbl) {
- bo = radeon_bo(_buf);
- } else {
- struct pb_buffer *base_buf;
- pb_size offset;
- pb_get_base_buffer(_buf, &base_buf, &offset);
+ if (bo->handle)
+ return radeon_real_bo_is_busy(bo);
- if (base_buf->vtbl == &radeon_bo_vtbl)
- bo = radeon_bo(base_buf);
+ mtx_lock(&bo->rws->bo_fence_lock);
+ for (num_idle = 0; num_idle < bo->u.slab.num_fences; ++num_idle) {
+ if (radeon_real_bo_is_busy(bo->u.slab.fences[num_idle])) {
+ busy = true;
+ break;
+ }
+ radeon_bo_reference(&bo->u.slab.fences[num_idle], NULL);
}
+ memmove(&bo->u.slab.fences[0], &bo->u.slab.fences[num_idle],
+ (bo->u.slab.num_fences - num_idle) * sizeof(bo->u.slab.fences[0]));
+ bo->u.slab.num_fences -= num_idle;
+ mtx_unlock(&bo->rws->bo_fence_lock);
- return bo;
+ return busy;
}
-static void radeon_bo_wait(struct pb_buffer *_buf, enum radeon_bo_usage usage)
+static void radeon_real_bo_wait_idle(struct radeon_bo *bo)
{
- struct radeon_bo *bo = get_radeon_bo(_buf);
struct drm_radeon_gem_wait_idle args = {0};
- while (p_atomic_read(&bo->num_active_ioctls)) {
- sched_yield();
- }
-
args.handle = bo->handle;
while (drmCommandWrite(bo->rws->fd, DRM_RADEON_GEM_WAIT_IDLE,
&args, sizeof(args)) == -EBUSY);
}
-static boolean radeon_bo_is_busy(struct pb_buffer *_buf,
- enum radeon_bo_usage usage)
+static void radeon_bo_wait_idle(struct radeon_bo *bo)
{
- struct radeon_bo *bo = get_radeon_bo(_buf);
- struct drm_radeon_gem_busy args = {0};
+ if (bo->handle) {
+ radeon_real_bo_wait_idle(bo);
+ } else {
+ mtx_lock(&bo->rws->bo_fence_lock);
+ while (bo->u.slab.num_fences) {
+ struct radeon_bo *fence = NULL;
+ radeon_bo_reference(&fence, bo->u.slab.fences[0]);
+ mtx_unlock(&bo->rws->bo_fence_lock);
+
+ /* Wait without holding the fence lock. */
+ radeon_real_bo_wait_idle(fence);
+
+ mtx_lock(&bo->rws->bo_fence_lock);
+ if (bo->u.slab.num_fences && fence == bo->u.slab.fences[0]) {
+ radeon_bo_reference(&bo->u.slab.fences[0], NULL);
+ memmove(&bo->u.slab.fences[0], &bo->u.slab.fences[1],
+ (bo->u.slab.num_fences - 1) * sizeof(bo->u.slab.fences[0]));
+ bo->u.slab.num_fences--;
+ }
+ radeon_bo_reference(&fence, NULL);
+ }
+ mtx_unlock(&bo->rws->bo_fence_lock);
+ }
+}
- if (p_atomic_read(&bo->num_active_ioctls)) {
- return TRUE;
+static bool radeon_bo_wait(struct pb_buffer *_buf, uint64_t timeout,
+ enum radeon_bo_usage usage)
+{
+ struct radeon_bo *bo = radeon_bo(_buf);
+ int64_t abs_timeout;
+
+ /* No timeout. Just query. */
+ if (timeout == 0)
+ return !bo->num_active_ioctls && !radeon_bo_is_busy(bo);
+
+ abs_timeout = os_time_get_absolute_timeout(timeout);
+
+ /* Wait if any ioctl is being submitted with this buffer. */
+ if (!os_wait_until_zero_abs_timeout(&bo->num_active_ioctls, abs_timeout))
+ return false;
+
+ /* Infinite timeout. */
+ if (abs_timeout == PIPE_TIMEOUT_INFINITE) {
+ radeon_bo_wait_idle(bo);
+ return true;
}
- args.handle = bo->handle;
- return drmCommandWriteRead(bo->rws->fd, DRM_RADEON_GEM_BUSY,
- &args, sizeof(args)) != 0;
+ /* Other timeouts need to be emulated with a loop. */
+ while (radeon_bo_is_busy(bo)) {
+ if (os_time_get_nano() >= abs_timeout)
+ return false;
+ os_time_sleep(10);
+ }
+
+ return true;
}
static enum radeon_bo_domain get_valid_domain(enum radeon_bo_domain domain)
}
static enum radeon_bo_domain radeon_bo_get_initial_domain(
- struct radeon_winsys_cs_handle *buf)
+ struct pb_buffer *buf)
{
struct radeon_bo *bo = (struct radeon_bo*)buf;
struct drm_radeon_gem_op args;
args.handle = bo->handle;
args.op = RADEON_GEM_OP_GET_INITIAL_DOMAIN;
- drmCommandWriteRead(bo->rws->fd, DRM_RADEON_GEM_OP,
- &args, sizeof(args));
+ if (drmCommandWriteRead(bo->rws->fd, DRM_RADEON_GEM_OP,
+ &args, sizeof(args))) {
+ fprintf(stderr, "radeon: failed to get initial domain: %p 0x%08X\n",
+ bo, bo->handle);
+ /* Default domain as returned by get_valid_domain. */
+ return RADEON_DOMAIN_VRAM_GTT;
+ }
/* GEM domains and winsys domains are defined the same. */
return get_valid_domain(args.value);
}
-static uint64_t radeon_bomgr_find_va(struct radeon_bomgr *mgr, uint64_t size, uint64_t alignment)
+static uint64_t radeon_bomgr_find_va(const struct radeon_info *info,
+ struct radeon_vm_heap *heap,
+ uint64_t size, uint64_t alignment)
{
struct radeon_bo_va_hole *hole, *n;
uint64_t offset = 0, waste = 0;
- alignment = MAX2(alignment, 4096);
- size = align(size, 4096);
+ /* All VM address space holes will implicitly start aligned to the
+ * size alignment, so we don't need to sanitize the alignment here
+ */
+ size = align(size, info->gart_page_size);
- pipe_mutex_lock(mgr->bo_va_mutex);
+ mtx_lock(&heap->mutex);
/* first look for a hole */
- LIST_FOR_EACH_ENTRY_SAFE(hole, n, &mgr->va_holes, list) {
+ LIST_FOR_EACH_ENTRY_SAFE(hole, n, &heap->holes, list) {
offset = hole->offset;
waste = offset % alignment;
waste = waste ? alignment - waste : 0;
offset = hole->offset;
list_del(&hole->list);
FREE(hole);
- pipe_mutex_unlock(mgr->bo_va_mutex);
+ mtx_unlock(&heap->mutex);
return offset;
}
if ((hole->size - waste) > size) {
}
hole->size -= (size + waste);
hole->offset += size + waste;
- pipe_mutex_unlock(mgr->bo_va_mutex);
+ mtx_unlock(&heap->mutex);
return offset;
}
if ((hole->size - waste) == size) {
hole->size = waste;
- pipe_mutex_unlock(mgr->bo_va_mutex);
+ mtx_unlock(&heap->mutex);
return offset;
}
}
- offset = mgr->va_offset;
+ offset = heap->start;
waste = offset % alignment;
waste = waste ? alignment - waste : 0;
+
+ if (offset + waste + size > heap->end) {
+ mtx_unlock(&heap->mutex);
+ return 0;
+ }
+
if (waste) {
n = CALLOC_STRUCT(radeon_bo_va_hole);
n->size = waste;
n->offset = offset;
- list_add(&n->list, &mgr->va_holes);
+ list_add(&n->list, &heap->holes);
}
offset += waste;
- mgr->va_offset += size + waste;
- pipe_mutex_unlock(mgr->bo_va_mutex);
+ heap->start += size + waste;
+ mtx_unlock(&heap->mutex);
return offset;
}
-static void radeon_bomgr_free_va(struct radeon_bomgr *mgr, uint64_t va, uint64_t size)
+static uint64_t radeon_bomgr_find_va64(struct radeon_drm_winsys *ws,
+ uint64_t size, uint64_t alignment)
+{
+ uint64_t va = 0;
+
+ /* Try to allocate from the 64-bit address space first.
+ * If it doesn't exist (start = 0) or if it doesn't have enough space,
+ * fall back to the 32-bit address space.
+ */
+ if (ws->vm64.start)
+ va = radeon_bomgr_find_va(&ws->info, &ws->vm64, size, alignment);
+ if (!va)
+ va = radeon_bomgr_find_va(&ws->info, &ws->vm32, size, alignment);
+ return va;
+}
+
+static void radeon_bomgr_free_va(const struct radeon_info *info,
+ struct radeon_vm_heap *heap,
+ uint64_t va, uint64_t size)
{
- struct radeon_bo_va_hole *hole;
+ struct radeon_bo_va_hole *hole = NULL;
- size = align(size, 4096);
+ size = align(size, info->gart_page_size);
- pipe_mutex_lock(mgr->bo_va_mutex);
- if ((va + size) == mgr->va_offset) {
- mgr->va_offset = va;
+ mtx_lock(&heap->mutex);
+ if ((va + size) == heap->start) {
+ heap->start = va;
/* Delete uppermost hole if it reaches the new top */
- if (!LIST_IS_EMPTY(&mgr->va_holes)) {
- hole = container_of(mgr->va_holes.next, hole, list);
+ if (!LIST_IS_EMPTY(&heap->holes)) {
+ hole = container_of(heap->holes.next, hole, list);
if ((hole->offset + hole->size) == va) {
- mgr->va_offset = hole->offset;
+ heap->start = hole->offset;
list_del(&hole->list);
FREE(hole);
}
} else {
struct radeon_bo_va_hole *next;
- hole = container_of(&mgr->va_holes, hole, list);
- LIST_FOR_EACH_ENTRY(next, &mgr->va_holes, list) {
+ hole = container_of(&heap->holes, hole, list);
+ LIST_FOR_EACH_ENTRY(next, &heap->holes, list) {
if (next->offset < va)
break;
hole = next;
}
- if (&hole->list != &mgr->va_holes) {
+ if (&hole->list != &heap->holes) {
/* Grow upper hole if it's adjacent */
if (hole->offset == (va + size)) {
hole->offset = va;
hole->size += size;
/* Merge lower hole if it's adjacent */
- if (next != hole && &next->list != &mgr->va_holes &&
+ if (next != hole && &next->list != &heap->holes &&
(next->offset + next->size) == va) {
next->size += hole->size;
list_del(&hole->list);
}
/* Grow lower hole if it's adjacent */
- if (next != hole && &next->list != &mgr->va_holes &&
+ if (next != hole && &next->list != &heap->holes &&
(next->offset + next->size) == va) {
next->size += size;
goto out;
}
}
out:
- pipe_mutex_unlock(mgr->bo_va_mutex);
+ mtx_unlock(&heap->mutex);
}
-static void radeon_bo_destroy(struct pb_buffer *_buf)
+void radeon_bo_destroy(struct pb_buffer *_buf)
{
struct radeon_bo *bo = radeon_bo(_buf);
- struct radeon_bomgr *mgr = bo->mgr;
+ struct radeon_drm_winsys *rws = bo->rws;
struct drm_gem_close args;
+ assert(bo->handle && "must not be called for slab entries");
+
memset(&args, 0, sizeof(args));
- pipe_mutex_lock(bo->mgr->bo_handles_mutex);
- util_hash_table_remove(bo->mgr->bo_handles, (void*)(uintptr_t)bo->handle);
+ mtx_lock(&rws->bo_handles_mutex);
+ util_hash_table_remove(rws->bo_handles, (void*)(uintptr_t)bo->handle);
if (bo->flink_name) {
- util_hash_table_remove(bo->mgr->bo_names,
+ util_hash_table_remove(rws->bo_names,
(void*)(uintptr_t)bo->flink_name);
}
- pipe_mutex_unlock(bo->mgr->bo_handles_mutex);
+ mtx_unlock(&rws->bo_handles_mutex);
+
+ if (bo->u.real.ptr)
+ os_munmap(bo->u.real.ptr, bo->base.size);
+
+ if (rws->info.r600_has_virtual_memory) {
+ if (rws->va_unmap_working) {
+ struct drm_radeon_gem_va va;
+
+ va.handle = bo->handle;
+ va.vm_id = 0;
+ va.operation = RADEON_VA_UNMAP;
+ va.flags = RADEON_VM_PAGE_READABLE |
+ RADEON_VM_PAGE_WRITEABLE |
+ RADEON_VM_PAGE_SNOOPED;
+ va.offset = bo->va;
+
+ if (drmCommandWriteRead(rws->fd, DRM_RADEON_GEM_VA, &va,
+ sizeof(va)) != 0 &&
+ va.operation == RADEON_VA_RESULT_ERROR) {
+ fprintf(stderr, "radeon: Failed to deallocate virtual address for buffer:\n");
+ fprintf(stderr, "radeon: size : %"PRIu64" bytes\n", bo->base.size);
+ fprintf(stderr, "radeon: va : 0x%"PRIx64"\n", bo->va);
+ }
+ }
- if (bo->ptr)
- os_munmap(bo->ptr, bo->base.size);
+ radeon_bomgr_free_va(&rws->info,
+ bo->va < rws->vm32.end ? &rws->vm32 : &rws->vm64,
+ bo->va, bo->base.size);
+ }
/* Close object. */
args.handle = bo->handle;
- drmIoctl(bo->rws->fd, DRM_IOCTL_GEM_CLOSE, &args);
+ drmIoctl(rws->fd, DRM_IOCTL_GEM_CLOSE, &args);
- if (mgr->va) {
- radeon_bomgr_free_va(mgr, bo->va, bo->base.size);
- }
-
- pipe_mutex_destroy(bo->map_mutex);
+ mtx_destroy(&bo->u.real.map_mutex);
if (bo->initial_domain & RADEON_DOMAIN_VRAM)
- bo->rws->allocated_vram -= align(bo->base.size, 4096);
+ rws->allocated_vram -= align(bo->base.size, rws->info.gart_page_size);
else if (bo->initial_domain & RADEON_DOMAIN_GTT)
- bo->rws->allocated_gtt -= align(bo->base.size, 4096);
+ rws->allocated_gtt -= align(bo->base.size, rws->info.gart_page_size);
+
+ if (bo->u.real.map_count >= 1) {
+ if (bo->initial_domain & RADEON_DOMAIN_VRAM)
+ bo->rws->mapped_vram -= bo->base.size;
+ else
+ bo->rws->mapped_gtt -= bo->base.size;
+ bo->rws->num_mapped_buffers--;
+ }
+
FREE(bo);
}
+static void radeon_bo_destroy_or_cache(struct pb_buffer *_buf)
+{
+ struct radeon_bo *bo = radeon_bo(_buf);
+
+ assert(bo->handle && "must not be called for slab entries");
+
+ if (bo->u.real.use_reusable_pool)
+ pb_cache_add_buffer(&bo->u.real.cache_entry);
+ else
+ radeon_bo_destroy(_buf);
+}
+
void *radeon_bo_do_map(struct radeon_bo *bo)
{
struct drm_radeon_gem_mmap args = {0};
void *ptr;
+ unsigned offset;
/* If the buffer is created from user memory, return the user pointer. */
if (bo->user_ptr)
return bo->user_ptr;
- /* Return the pointer if it's already mapped. */
- if (bo->ptr)
- return bo->ptr;
+ if (bo->handle) {
+ offset = 0;
+ } else {
+ offset = bo->va - bo->u.slab.real->va;
+ bo = bo->u.slab.real;
+ }
/* Map the buffer. */
- pipe_mutex_lock(bo->map_mutex);
- /* Return the pointer if it's already mapped (in case of a race). */
- if (bo->ptr) {
- pipe_mutex_unlock(bo->map_mutex);
- return bo->ptr;
+ mtx_lock(&bo->u.real.map_mutex);
+ /* Return the pointer if it's already mapped. */
+ if (bo->u.real.ptr) {
+ bo->u.real.map_count++;
+ mtx_unlock(&bo->u.real.map_mutex);
+ return (uint8_t*)bo->u.real.ptr + offset;
}
args.handle = bo->handle;
args.offset = 0;
DRM_RADEON_GEM_MMAP,
&args,
sizeof(args))) {
- pipe_mutex_unlock(bo->map_mutex);
+ mtx_unlock(&bo->u.real.map_mutex);
fprintf(stderr, "radeon: gem_mmap failed: %p 0x%08X\n",
bo, bo->handle);
return NULL;
ptr = os_mmap(0, args.size, PROT_READ|PROT_WRITE, MAP_SHARED,
bo->rws->fd, args.addr_ptr);
if (ptr == MAP_FAILED) {
- pipe_mutex_unlock(bo->map_mutex);
- fprintf(stderr, "radeon: mmap failed, errno: %i\n", errno);
- return NULL;
+ /* Clear the cache and try again. */
+ pb_cache_release_all_buffers(&bo->rws->bo_cache);
+
+ ptr = os_mmap(0, args.size, PROT_READ|PROT_WRITE, MAP_SHARED,
+ bo->rws->fd, args.addr_ptr);
+ if (ptr == MAP_FAILED) {
+ mtx_unlock(&bo->u.real.map_mutex);
+ fprintf(stderr, "radeon: mmap failed, errno: %i\n", errno);
+ return NULL;
+ }
}
- bo->ptr = ptr;
- pipe_mutex_unlock(bo->map_mutex);
+ bo->u.real.ptr = ptr;
+ bo->u.real.map_count = 1;
+
+ if (bo->initial_domain & RADEON_DOMAIN_VRAM)
+ bo->rws->mapped_vram += bo->base.size;
+ else
+ bo->rws->mapped_gtt += bo->base.size;
+ bo->rws->num_mapped_buffers++;
- return bo->ptr;
+ mtx_unlock(&bo->u.real.map_mutex);
+ return (uint8_t*)bo->u.real.ptr + offset;
}
-static void *radeon_bo_map(struct radeon_winsys_cs_handle *buf,
- struct radeon_winsys_cs *rcs,
+static void *radeon_bo_map(struct pb_buffer *buf,
+ struct radeon_cmdbuf *rcs,
enum pipe_transfer_usage usage)
{
struct radeon_bo *bo = (struct radeon_bo*)buf;
*
* Only check whether the buffer is being used for write. */
if (cs && radeon_bo_is_referenced_by_cs_for_write(cs, bo)) {
- cs->flush_cs(cs->flush_data, RADEON_FLUSH_ASYNC, NULL);
+ cs->flush_cs(cs->flush_data,
+ RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL);
return NULL;
}
- if (radeon_bo_is_busy((struct pb_buffer*)bo,
- RADEON_USAGE_WRITE)) {
+ if (!radeon_bo_wait((struct pb_buffer*)bo, 0,
+ RADEON_USAGE_WRITE)) {
return NULL;
}
} else {
if (cs && radeon_bo_is_referenced_by_cs(cs, bo)) {
- cs->flush_cs(cs->flush_data, RADEON_FLUSH_ASYNC, NULL);
+ cs->flush_cs(cs->flush_data,
+ RADEON_FLUSH_ASYNC_START_NEXT_GFX_IB_NOW, NULL);
return NULL;
}
- if (radeon_bo_is_busy((struct pb_buffer*)bo,
- RADEON_USAGE_READWRITE)) {
+ if (!radeon_bo_wait((struct pb_buffer*)bo, 0,
+ RADEON_USAGE_READWRITE)) {
return NULL;
}
}
*
* Only check whether the buffer is being used for write. */
if (cs && radeon_bo_is_referenced_by_cs_for_write(cs, bo)) {
- cs->flush_cs(cs->flush_data, 0, NULL);
+ cs->flush_cs(cs->flush_data,
+ RADEON_FLUSH_START_NEXT_GFX_IB_NOW, NULL);
}
- radeon_bo_wait((struct pb_buffer*)bo,
+ radeon_bo_wait((struct pb_buffer*)bo, PIPE_TIMEOUT_INFINITE,
RADEON_USAGE_WRITE);
} else {
/* Mapping for write. */
if (cs) {
if (radeon_bo_is_referenced_by_cs(cs, bo)) {
- cs->flush_cs(cs->flush_data, 0, NULL);
+ cs->flush_cs(cs->flush_data,
+ RADEON_FLUSH_START_NEXT_GFX_IB_NOW, NULL);
} else {
/* Try to avoid busy-waiting in radeon_bo_wait. */
if (p_atomic_read(&bo->num_active_ioctls))
}
}
- radeon_bo_wait((struct pb_buffer*)bo, RADEON_USAGE_READWRITE);
+ radeon_bo_wait((struct pb_buffer*)bo, PIPE_TIMEOUT_INFINITE,
+ RADEON_USAGE_READWRITE);
}
- bo->mgr->rws->buffer_wait_time += os_time_get_nano() - time;
+ bo->rws->buffer_wait_time += os_time_get_nano() - time;
}
}
return radeon_bo_do_map(bo);
}
-static void radeon_bo_unmap(struct radeon_winsys_cs_handle *_buf)
+static void radeon_bo_unmap(struct pb_buffer *_buf)
{
- /* NOP */
-}
+ struct radeon_bo *bo = (struct radeon_bo*)_buf;
-static void radeon_bo_get_base_buffer(struct pb_buffer *buf,
- struct pb_buffer **base_buf,
- unsigned *offset)
-{
- *base_buf = buf;
- *offset = 0;
-}
+ if (bo->user_ptr)
+ return;
-static enum pipe_error radeon_bo_validate(struct pb_buffer *_buf,
- struct pb_validate *vl,
- unsigned flags)
-{
- /* Always pinned */
- return PIPE_OK;
-}
+ if (!bo->handle)
+ bo = bo->u.slab.real;
-static void radeon_bo_fence(struct pb_buffer *buf,
- struct pipe_fence_handle *fence)
-{
+ mtx_lock(&bo->u.real.map_mutex);
+ if (!bo->u.real.ptr) {
+ mtx_unlock(&bo->u.real.map_mutex);
+ return; /* it's not been mapped */
+ }
+
+ assert(bo->u.real.map_count);
+ if (--bo->u.real.map_count) {
+ mtx_unlock(&bo->u.real.map_mutex);
+ return; /* it's been mapped multiple times */
+ }
+
+ os_munmap(bo->u.real.ptr, bo->base.size);
+ bo->u.real.ptr = NULL;
+
+ if (bo->initial_domain & RADEON_DOMAIN_VRAM)
+ bo->rws->mapped_vram -= bo->base.size;
+ else
+ bo->rws->mapped_gtt -= bo->base.size;
+ bo->rws->num_mapped_buffers--;
+
+ mtx_unlock(&bo->u.real.map_mutex);
}
-const struct pb_vtbl radeon_bo_vtbl = {
- radeon_bo_destroy,
- NULL, /* never called */
- NULL, /* never called */
- radeon_bo_validate,
- radeon_bo_fence,
- radeon_bo_get_base_buffer,
+static const struct pb_vtbl radeon_bo_vtbl = {
+ radeon_bo_destroy_or_cache
+ /* other functions are never called */
};
-#ifndef RADEON_GEM_GTT_WC
-#define RADEON_GEM_GTT_WC (1 << 2)
-#endif
-#ifndef RADEON_GEM_CPU_ACCESS
-/* BO is expected to be accessed by the CPU */
-#define RADEON_GEM_CPU_ACCESS (1 << 3)
-#endif
-#ifndef RADEON_GEM_NO_CPU_ACCESS
-/* CPU access is not expected to work for this BO */
-#define RADEON_GEM_NO_CPU_ACCESS (1 << 4)
-#endif
-
-static struct pb_buffer *radeon_bomgr_create_bo(struct pb_manager *_mgr,
- pb_size size,
- const struct pb_desc *desc)
+static struct radeon_bo *radeon_create_bo(struct radeon_drm_winsys *rws,
+ unsigned size, unsigned alignment,
+ unsigned initial_domains,
+ unsigned flags,
+ int heap)
{
- struct radeon_bomgr *mgr = radeon_bomgr(_mgr);
- struct radeon_drm_winsys *rws = mgr->rws;
struct radeon_bo *bo;
struct drm_radeon_gem_create args;
- struct radeon_bo_desc *rdesc = (struct radeon_bo_desc*)desc;
int r;
memset(&args, 0, sizeof(args));
- assert(rdesc->initial_domains);
- assert((rdesc->initial_domains &
+ assert(initial_domains);
+ assert((initial_domains &
~(RADEON_GEM_DOMAIN_GTT | RADEON_GEM_DOMAIN_VRAM)) == 0);
args.size = size;
- args.alignment = desc->alignment;
- args.initial_domain = rdesc->initial_domains;
+ args.alignment = alignment;
+ args.initial_domain = initial_domains;
args.flags = 0;
- if (rdesc->flags & RADEON_FLAG_GTT_WC)
+ /* If VRAM is just stolen system memory, allow both VRAM and
+ * GTT, whichever has free space. If a buffer is evicted from
+ * VRAM to GTT, it will stay there.
+ */
+ if (!rws->info.has_dedicated_vram)
+ args.initial_domain |= RADEON_DOMAIN_GTT;
+
+ if (flags & RADEON_FLAG_GTT_WC)
args.flags |= RADEON_GEM_GTT_WC;
- if (rdesc->flags & RADEON_FLAG_CPU_ACCESS)
- args.flags |= RADEON_GEM_CPU_ACCESS;
- if (rdesc->flags & RADEON_FLAG_NO_CPU_ACCESS)
+ if (flags & RADEON_FLAG_NO_CPU_ACCESS)
args.flags |= RADEON_GEM_NO_CPU_ACCESS;
if (drmCommandWriteRead(rws->fd, DRM_RADEON_GEM_CREATE,
&args, sizeof(args))) {
fprintf(stderr, "radeon: Failed to allocate a buffer:\n");
- fprintf(stderr, "radeon: size : %d bytes\n", size);
- fprintf(stderr, "radeon: alignment : %d bytes\n", desc->alignment);
- fprintf(stderr, "radeon: domains : %d\n", args.initial_domain);
- fprintf(stderr, "radeon: flags : %d\n", args.flags);
+ fprintf(stderr, "radeon: size : %u bytes\n", size);
+ fprintf(stderr, "radeon: alignment : %u bytes\n", alignment);
+ fprintf(stderr, "radeon: domains : %u\n", args.initial_domain);
+ fprintf(stderr, "radeon: flags : %u\n", args.flags);
return NULL;
}
+ assert(args.handle != 0);
+
bo = CALLOC_STRUCT(radeon_bo);
if (!bo)
return NULL;
pipe_reference_init(&bo->base.reference, 1);
- bo->base.alignment = desc->alignment;
- bo->base.usage = desc->usage;
+ bo->base.alignment = alignment;
+ bo->base.usage = 0;
bo->base.size = size;
bo->base.vtbl = &radeon_bo_vtbl;
- bo->mgr = mgr;
- bo->rws = mgr->rws;
+ bo->rws = rws;
bo->handle = args.handle;
bo->va = 0;
- bo->initial_domain = rdesc->initial_domains;
- pipe_mutex_init(bo->map_mutex);
+ bo->initial_domain = initial_domains;
+ bo->hash = __sync_fetch_and_add(&rws->next_bo_hash, 1);
+ (void) mtx_init(&bo->u.real.map_mutex, mtx_plain);
+
+ if (heap >= 0) {
+ pb_cache_init_entry(&rws->bo_cache, &bo->u.real.cache_entry, &bo->base,
+ heap);
+ }
- if (mgr->va) {
+ if (rws->info.r600_has_virtual_memory) {
struct drm_radeon_gem_va va;
+ unsigned va_gap_size;
- bo->va = radeon_bomgr_find_va(mgr, size, desc->alignment);
+ va_gap_size = rws->check_vm ? MAX2(4 * alignment, 64 * 1024) : 0;
+
+ if (flags & RADEON_FLAG_32BIT) {
+ bo->va = radeon_bomgr_find_va(&rws->info, &rws->vm32,
+ size + va_gap_size, alignment);
+ assert(bo->va + size < rws->vm32.end);
+ } else {
+ bo->va = radeon_bomgr_find_va64(rws, size + va_gap_size, alignment);
+ }
va.handle = bo->handle;
va.vm_id = 0;
if (r && va.operation == RADEON_VA_RESULT_ERROR) {
fprintf(stderr, "radeon: Failed to allocate virtual address for buffer:\n");
fprintf(stderr, "radeon: size : %d bytes\n", size);
- fprintf(stderr, "radeon: alignment : %d bytes\n", desc->alignment);
+ fprintf(stderr, "radeon: alignment : %d bytes\n", alignment);
fprintf(stderr, "radeon: domains : %d\n", args.initial_domain);
fprintf(stderr, "radeon: va : 0x%016llx\n", (unsigned long long)bo->va);
radeon_bo_destroy(&bo->base);
return NULL;
}
- pipe_mutex_lock(mgr->bo_handles_mutex);
+ mtx_lock(&rws->bo_handles_mutex);
if (va.operation == RADEON_VA_RESULT_VA_EXIST) {
struct pb_buffer *b = &bo->base;
struct radeon_bo *old_bo =
- util_hash_table_get(mgr->bo_vas, (void*)(uintptr_t)va.offset);
+ util_hash_table_get(rws->bo_vas, (void*)(uintptr_t)va.offset);
- pipe_mutex_unlock(mgr->bo_handles_mutex);
+ mtx_unlock(&rws->bo_handles_mutex);
pb_reference(&b, &old_bo->base);
- return b;
+ return radeon_bo(b);
}
- util_hash_table_set(mgr->bo_vas, (void*)(uintptr_t)bo->va, bo);
- pipe_mutex_unlock(mgr->bo_handles_mutex);
+ util_hash_table_set(rws->bo_vas, (void*)(uintptr_t)bo->va, bo);
+ mtx_unlock(&rws->bo_handles_mutex);
}
- if (rdesc->initial_domains & RADEON_DOMAIN_VRAM)
- rws->allocated_vram += align(size, 4096);
- else if (rdesc->initial_domains & RADEON_DOMAIN_GTT)
- rws->allocated_gtt += align(size, 4096);
+ if (initial_domains & RADEON_DOMAIN_VRAM)
+ rws->allocated_vram += align(size, rws->info.gart_page_size);
+ else if (initial_domains & RADEON_DOMAIN_GTT)
+ rws->allocated_gtt += align(size, rws->info.gart_page_size);
- return &bo->base;
-}
-
-static void radeon_bomgr_flush(struct pb_manager *mgr)
-{
- /* NOP */
+ return bo;
}
-/* This is for the cache bufmgr. */
-static boolean radeon_bomgr_is_buffer_busy(struct pb_manager *_mgr,
- struct pb_buffer *_buf)
+bool radeon_bo_can_reclaim(struct pb_buffer *_buf)
{
struct radeon_bo *bo = radeon_bo(_buf);
- if (radeon_bo_is_referenced_by_any_cs(bo)) {
- return TRUE;
- }
-
- if (radeon_bo_is_busy((struct pb_buffer*)bo, RADEON_USAGE_READWRITE)) {
- return TRUE;
- }
+ if (radeon_bo_is_referenced_by_any_cs(bo))
+ return false;
- return FALSE;
+ return radeon_bo_wait(_buf, 0, RADEON_USAGE_READWRITE);
}
-static void radeon_bomgr_destroy(struct pb_manager *_mgr)
+bool radeon_bo_can_reclaim_slab(void *priv, struct pb_slab_entry *entry)
{
- struct radeon_bomgr *mgr = radeon_bomgr(_mgr);
- util_hash_table_destroy(mgr->bo_names);
- util_hash_table_destroy(mgr->bo_handles);
- util_hash_table_destroy(mgr->bo_vas);
- pipe_mutex_destroy(mgr->bo_handles_mutex);
- pipe_mutex_destroy(mgr->bo_va_mutex);
- FREE(mgr);
-}
+ struct radeon_bo *bo = NULL; /* fix container_of */
+ bo = container_of(entry, bo, u.slab.entry);
-#define PTR_TO_UINT(x) ((unsigned)((intptr_t)(x)))
-
-static unsigned handle_hash(void *key)
-{
- return PTR_TO_UINT(key);
+ return radeon_bo_can_reclaim(&bo->base);
}
-static int handle_compare(void *key1, void *key2)
+static void radeon_bo_slab_destroy(struct pb_buffer *_buf)
{
- return PTR_TO_UINT(key1) != PTR_TO_UINT(key2);
+ struct radeon_bo *bo = radeon_bo(_buf);
+
+ assert(!bo->handle);
+
+ pb_slab_free(&bo->rws->bo_slabs, &bo->u.slab.entry);
}
-struct pb_manager *radeon_bomgr_create(struct radeon_drm_winsys *rws)
+static const struct pb_vtbl radeon_winsys_bo_slab_vtbl = {
+ radeon_bo_slab_destroy
+ /* other functions are never called */
+};
+
+struct pb_slab *radeon_bo_slab_alloc(void *priv, unsigned heap,
+ unsigned entry_size,
+ unsigned group_index)
{
- struct radeon_bomgr *mgr;
+ struct radeon_drm_winsys *ws = priv;
+ struct radeon_slab *slab = CALLOC_STRUCT(radeon_slab);
+ enum radeon_bo_domain domains = radeon_domain_from_heap(heap);
+ enum radeon_bo_flag flags = radeon_flags_from_heap(heap);
+ unsigned base_hash;
- mgr = CALLOC_STRUCT(radeon_bomgr);
- if (!mgr)
+ if (!slab)
return NULL;
- mgr->base.destroy = radeon_bomgr_destroy;
- mgr->base.create_buffer = radeon_bomgr_create_bo;
- mgr->base.flush = radeon_bomgr_flush;
- mgr->base.is_buffer_busy = radeon_bomgr_is_buffer_busy;
+ slab->buffer = radeon_bo(radeon_winsys_bo_create(&ws->base,
+ 64 * 1024, 64 * 1024,
+ domains, flags));
+ if (!slab->buffer)
+ goto fail;
- mgr->rws = rws;
- mgr->bo_names = util_hash_table_create(handle_hash, handle_compare);
- mgr->bo_handles = util_hash_table_create(handle_hash, handle_compare);
- mgr->bo_vas = util_hash_table_create(handle_hash, handle_compare);
- pipe_mutex_init(mgr->bo_handles_mutex);
- pipe_mutex_init(mgr->bo_va_mutex);
+ assert(slab->buffer->handle);
- mgr->va = rws->info.r600_virtual_address;
- mgr->va_offset = rws->va_start;
- list_inithead(&mgr->va_holes);
+ slab->base.num_entries = slab->buffer->base.size / entry_size;
+ slab->base.num_free = slab->base.num_entries;
+ slab->entries = CALLOC(slab->base.num_entries, sizeof(*slab->entries));
+ if (!slab->entries)
+ goto fail_buffer;
- return &mgr->base;
+ list_inithead(&slab->base.free);
+
+ base_hash = __sync_fetch_and_add(&ws->next_bo_hash, slab->base.num_entries);
+
+ for (unsigned i = 0; i < slab->base.num_entries; ++i) {
+ struct radeon_bo *bo = &slab->entries[i];
+
+ bo->base.alignment = entry_size;
+ bo->base.usage = slab->buffer->base.usage;
+ bo->base.size = entry_size;
+ bo->base.vtbl = &radeon_winsys_bo_slab_vtbl;
+ bo->rws = ws;
+ bo->va = slab->buffer->va + i * entry_size;
+ bo->initial_domain = domains;
+ bo->hash = base_hash + i;
+ bo->u.slab.entry.slab = &slab->base;
+ bo->u.slab.entry.group_index = group_index;
+ bo->u.slab.real = slab->buffer;
+
+ list_addtail(&bo->u.slab.entry.head, &slab->base.free);
+ }
+
+ return &slab->base;
+
+fail_buffer:
+ radeon_bo_reference(&slab->buffer, NULL);
+fail:
+ FREE(slab);
+ return NULL;
+}
+
+void radeon_bo_slab_free(void *priv, struct pb_slab *pslab)
+{
+ struct radeon_slab *slab = (struct radeon_slab *)pslab;
+
+ for (unsigned i = 0; i < slab->base.num_entries; ++i) {
+ struct radeon_bo *bo = &slab->entries[i];
+ for (unsigned j = 0; j < bo->u.slab.num_fences; ++j)
+ radeon_bo_reference(&bo->u.slab.fences[j], NULL);
+ FREE(bo->u.slab.fences);
+ }
+
+ FREE(slab->entries);
+ radeon_bo_reference(&slab->buffer, NULL);
+ FREE(slab);
}
static unsigned eg_tile_split(unsigned tile_split)
}
}
-static void radeon_bo_get_tiling(struct pb_buffer *_buf,
- enum radeon_bo_layout *microtiled,
- enum radeon_bo_layout *macrotiled,
- unsigned *bankw, unsigned *bankh,
- unsigned *tile_split,
- unsigned *stencil_tile_split,
- unsigned *mtilea,
- bool *scanout)
+static void radeon_bo_get_metadata(struct pb_buffer *_buf,
+ struct radeon_bo_metadata *md)
{
- struct radeon_bo *bo = get_radeon_bo(_buf);
+ struct radeon_bo *bo = radeon_bo(_buf);
struct drm_radeon_gem_set_tiling args;
+ assert(bo->handle && "must not be called for slab entries");
+
memset(&args, 0, sizeof(args));
args.handle = bo->handle;
&args,
sizeof(args));
- *microtiled = RADEON_LAYOUT_LINEAR;
- *macrotiled = RADEON_LAYOUT_LINEAR;
+ md->u.legacy.microtile = RADEON_LAYOUT_LINEAR;
+ md->u.legacy.macrotile = RADEON_LAYOUT_LINEAR;
if (args.tiling_flags & RADEON_TILING_MICRO)
- *microtiled = RADEON_LAYOUT_TILED;
+ md->u.legacy.microtile = RADEON_LAYOUT_TILED;
else if (args.tiling_flags & RADEON_TILING_MICRO_SQUARE)
- *microtiled = RADEON_LAYOUT_SQUARETILED;
+ md->u.legacy.microtile = RADEON_LAYOUT_SQUARETILED;
if (args.tiling_flags & RADEON_TILING_MACRO)
- *macrotiled = RADEON_LAYOUT_TILED;
- if (bankw && tile_split && stencil_tile_split && mtilea && tile_split) {
- *bankw = (args.tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
- *bankh = (args.tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
- *tile_split = (args.tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
- *stencil_tile_split = (args.tiling_flags >> RADEON_TILING_EG_STENCIL_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_STENCIL_TILE_SPLIT_MASK;
- *mtilea = (args.tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
- *tile_split = eg_tile_split(*tile_split);
- }
- if (scanout)
- *scanout = bo->rws->gen >= DRV_SI && !(args.tiling_flags & RADEON_TILING_R600_NO_SCANOUT);
+ md->u.legacy.macrotile = RADEON_LAYOUT_TILED;
+
+ md->u.legacy.bankw = (args.tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
+ md->u.legacy.bankh = (args.tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
+ md->u.legacy.tile_split = (args.tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
+ md->u.legacy.mtilea = (args.tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
+ md->u.legacy.tile_split = eg_tile_split(md->u.legacy.tile_split);
+ md->u.legacy.scanout = bo->rws->gen >= DRV_SI && !(args.tiling_flags & RADEON_TILING_R600_NO_SCANOUT);
}
-static void radeon_bo_set_tiling(struct pb_buffer *_buf,
- struct radeon_winsys_cs *rcs,
- enum radeon_bo_layout microtiled,
- enum radeon_bo_layout macrotiled,
- unsigned bankw, unsigned bankh,
- unsigned tile_split,
- unsigned stencil_tile_split,
- unsigned mtilea,
- uint32_t pitch,
- bool scanout)
+static void radeon_bo_set_metadata(struct pb_buffer *_buf,
+ struct radeon_bo_metadata *md)
{
- struct radeon_bo *bo = get_radeon_bo(_buf);
- struct radeon_drm_cs *cs = radeon_drm_cs(rcs);
+ struct radeon_bo *bo = radeon_bo(_buf);
struct drm_radeon_gem_set_tiling args;
- memset(&args, 0, sizeof(args));
+ assert(bo->handle && "must not be called for slab entries");
- /* Tiling determines how DRM treats the buffer data.
- * We must flush CS when changing it if the buffer is referenced. */
- if (cs && radeon_bo_is_referenced_by_cs(cs, bo)) {
- cs->flush_cs(cs->flush_data, 0, NULL);
- }
+ memset(&args, 0, sizeof(args));
- while (p_atomic_read(&bo->num_active_ioctls)) {
- sched_yield();
- }
+ os_wait_until_zero(&bo->num_active_ioctls, PIPE_TIMEOUT_INFINITE);
- if (microtiled == RADEON_LAYOUT_TILED)
+ if (md->u.legacy.microtile == RADEON_LAYOUT_TILED)
args.tiling_flags |= RADEON_TILING_MICRO;
- else if (microtiled == RADEON_LAYOUT_SQUARETILED)
+ else if (md->u.legacy.microtile == RADEON_LAYOUT_SQUARETILED)
args.tiling_flags |= RADEON_TILING_MICRO_SQUARE;
- if (macrotiled == RADEON_LAYOUT_TILED)
+ if (md->u.legacy.macrotile == RADEON_LAYOUT_TILED)
args.tiling_flags |= RADEON_TILING_MACRO;
- args.tiling_flags |= (bankw & RADEON_TILING_EG_BANKW_MASK) <<
+ args.tiling_flags |= (md->u.legacy.bankw & RADEON_TILING_EG_BANKW_MASK) <<
RADEON_TILING_EG_BANKW_SHIFT;
- args.tiling_flags |= (bankh & RADEON_TILING_EG_BANKH_MASK) <<
+ args.tiling_flags |= (md->u.legacy.bankh & RADEON_TILING_EG_BANKH_MASK) <<
RADEON_TILING_EG_BANKH_SHIFT;
- if (tile_split) {
- args.tiling_flags |= (eg_tile_split_rev(tile_split) &
+ if (md->u.legacy.tile_split) {
+ args.tiling_flags |= (eg_tile_split_rev(md->u.legacy.tile_split) &
RADEON_TILING_EG_TILE_SPLIT_MASK) <<
RADEON_TILING_EG_TILE_SPLIT_SHIFT;
}
- args.tiling_flags |= (stencil_tile_split &
- RADEON_TILING_EG_STENCIL_TILE_SPLIT_MASK) <<
- RADEON_TILING_EG_STENCIL_TILE_SPLIT_SHIFT;
- args.tiling_flags |= (mtilea & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK) <<
+ args.tiling_flags |= (md->u.legacy.mtilea & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK) <<
RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT;
- if (bo->rws->gen >= DRV_SI && !scanout)
+ if (bo->rws->gen >= DRV_SI && !md->u.legacy.scanout)
args.tiling_flags |= RADEON_TILING_R600_NO_SCANOUT;
args.handle = bo->handle;
- args.pitch = pitch;
+ args.pitch = md->u.legacy.stride;
drmCommandWriteRead(bo->rws->fd,
DRM_RADEON_GEM_SET_TILING,
sizeof(args));
}
-static struct radeon_winsys_cs_handle *radeon_drm_get_cs_handle(struct pb_buffer *_buf)
-{
- /* return radeon_bo. */
- return (struct radeon_winsys_cs_handle*)get_radeon_bo(_buf);
-}
-
static struct pb_buffer *
radeon_winsys_bo_create(struct radeon_winsys *rws,
- unsigned size,
+ uint64_t size,
unsigned alignment,
- boolean use_reusable_pool,
enum radeon_bo_domain domain,
enum radeon_bo_flag flags)
{
struct radeon_drm_winsys *ws = radeon_drm_winsys(rws);
- struct radeon_bomgr *mgr = radeon_bomgr(ws->kman);
- struct radeon_bo_desc desc;
- struct pb_manager *provider;
- struct pb_buffer *buffer;
+ struct radeon_bo *bo;
+ int heap = -1;
- memset(&desc, 0, sizeof(desc));
- desc.base.alignment = alignment;
+ assert(!(flags & RADEON_FLAG_SPARSE)); /* not supported */
+
+ /* Only 32-bit sizes are supported. */
+ if (size > UINT_MAX)
+ return NULL;
+
+ /* VRAM implies WC. This is not optional. */
+ if (domain & RADEON_DOMAIN_VRAM)
+ flags |= RADEON_FLAG_GTT_WC;
+ /* NO_CPU_ACCESS is valid with VRAM only. */
+ if (domain != RADEON_DOMAIN_VRAM)
+ flags &= ~RADEON_FLAG_NO_CPU_ACCESS;
+
+ /* Sub-allocate small buffers from slabs. */
+ if (!(flags & RADEON_FLAG_NO_SUBALLOC) &&
+ size <= (1 << RADEON_SLAB_MAX_SIZE_LOG2) &&
+ ws->info.r600_has_virtual_memory &&
+ alignment <= MAX2(1 << RADEON_SLAB_MIN_SIZE_LOG2, util_next_power_of_two(size))) {
+ struct pb_slab_entry *entry;
+ int heap = radeon_get_heap_index(domain, flags);
+
+ if (heap < 0 || heap >= RADEON_MAX_SLAB_HEAPS)
+ goto no_slab;
+
+ entry = pb_slab_alloc(&ws->bo_slabs, size, heap);
+ if (!entry) {
+ /* Clear the cache and try again. */
+ pb_cache_release_all_buffers(&ws->bo_cache);
+
+ entry = pb_slab_alloc(&ws->bo_slabs, size, heap);
+ }
+ if (!entry)
+ return NULL;
- /* Only set one usage bit each for domains and flags, or the cache manager
- * might consider different sets of domains / flags compatible
+ bo = NULL;
+ bo = container_of(entry, bo, u.slab.entry);
+
+ pipe_reference_init(&bo->base.reference, 1);
+
+ return &bo->base;
+ }
+no_slab:
+
+ /* This flag is irrelevant for the cache. */
+ flags &= ~RADEON_FLAG_NO_SUBALLOC;
+
+ /* Align size to page size. This is the minimum alignment for normal
+ * BOs. Aligning this here helps the cached bufmgr. Especially small BOs,
+ * like constant/uniform buffers, can benefit from better and more reuse.
*/
- if (domain == RADEON_DOMAIN_VRAM_GTT)
- desc.base.usage = 1 << 2;
- else
- desc.base.usage = domain >> 1;
- assert(flags < sizeof(desc.base.usage) * 8 - 3);
- desc.base.usage |= 1 << (flags + 3);
+ size = align(size, ws->info.gart_page_size);
+ alignment = align(alignment, ws->info.gart_page_size);
- desc.initial_domains = domain;
- desc.flags = flags;
+ bool use_reusable_pool = flags & RADEON_FLAG_NO_INTERPROCESS_SHARING;
- /* Assign a buffer manager. */
- if (use_reusable_pool)
- provider = ws->cman;
- else
- provider = ws->kman;
+ /* Shared resources don't use cached heaps. */
+ if (use_reusable_pool) {
+ heap = radeon_get_heap_index(domain, flags);
+ assert(heap >= 0 && heap < RADEON_MAX_CACHED_HEAPS);
- buffer = provider->create_buffer(provider, size, &desc.base);
- if (!buffer)
- return NULL;
+ bo = radeon_bo(pb_cache_reclaim_buffer(&ws->bo_cache, size, alignment,
+ 0, heap));
+ if (bo)
+ return &bo->base;
+ }
+
+ bo = radeon_create_bo(ws, size, alignment, domain, flags, heap);
+ if (!bo) {
+ /* Clear the cache and try again. */
+ if (ws->info.r600_has_virtual_memory)
+ pb_slabs_reclaim(&ws->bo_slabs);
+ pb_cache_release_all_buffers(&ws->bo_cache);
+ bo = radeon_create_bo(ws, size, alignment, domain, flags, heap);
+ if (!bo)
+ return NULL;
+ }
- pipe_mutex_lock(mgr->bo_handles_mutex);
- util_hash_table_set(mgr->bo_handles, (void*)(uintptr_t)get_radeon_bo(buffer)->handle, buffer);
- pipe_mutex_unlock(mgr->bo_handles_mutex);
+ bo->u.real.use_reusable_pool = use_reusable_pool;
- return (struct pb_buffer*)buffer;
+ mtx_lock(&ws->bo_handles_mutex);
+ util_hash_table_set(ws->bo_handles, (void*)(uintptr_t)bo->handle, bo);
+ mtx_unlock(&ws->bo_handles_mutex);
+
+ return &bo->base;
}
static struct pb_buffer *radeon_winsys_bo_from_ptr(struct radeon_winsys *rws,
- void *pointer, unsigned size)
+ void *pointer, uint64_t size)
{
struct radeon_drm_winsys *ws = radeon_drm_winsys(rws);
- struct radeon_bomgr *mgr = radeon_bomgr(ws->kman);
struct drm_radeon_gem_userptr args;
struct radeon_bo *bo;
int r;
memset(&args, 0, sizeof(args));
args.addr = (uintptr_t)pointer;
- args.size = align(size, sysconf(_SC_PAGE_SIZE));
+ args.size = align(size, ws->info.gart_page_size);
args.flags = RADEON_GEM_USERPTR_ANONONLY |
RADEON_GEM_USERPTR_VALIDATE |
RADEON_GEM_USERPTR_REGISTER;
return NULL;
}
- pipe_mutex_lock(mgr->bo_handles_mutex);
+ assert(args.handle != 0);
+
+ mtx_lock(&ws->bo_handles_mutex);
/* Initialize it. */
pipe_reference_init(&bo->base.reference, 1);
bo->handle = args.handle;
bo->base.alignment = 0;
- bo->base.usage = PB_USAGE_GPU_WRITE | PB_USAGE_GPU_READ;
bo->base.size = size;
bo->base.vtbl = &radeon_bo_vtbl;
- bo->mgr = mgr;
- bo->rws = mgr->rws;
+ bo->rws = ws;
bo->user_ptr = pointer;
bo->va = 0;
bo->initial_domain = RADEON_DOMAIN_GTT;
- pipe_mutex_init(bo->map_mutex);
+ bo->hash = __sync_fetch_and_add(&ws->next_bo_hash, 1);
+ (void) mtx_init(&bo->u.real.map_mutex, mtx_plain);
- util_hash_table_set(mgr->bo_handles, (void*)(uintptr_t)bo->handle, bo);
+ util_hash_table_set(ws->bo_handles, (void*)(uintptr_t)bo->handle, bo);
- pipe_mutex_unlock(mgr->bo_handles_mutex);
+ mtx_unlock(&ws->bo_handles_mutex);
- if (mgr->va) {
+ if (ws->info.r600_has_virtual_memory) {
struct drm_radeon_gem_va va;
- bo->va = radeon_bomgr_find_va(mgr, bo->base.size, 1 << 20);
+ bo->va = radeon_bomgr_find_va64(ws, bo->base.size, 1 << 20);
va.handle = bo->handle;
va.operation = RADEON_VA_MAP;
radeon_bo_destroy(&bo->base);
return NULL;
}
- pipe_mutex_lock(mgr->bo_handles_mutex);
+ mtx_lock(&ws->bo_handles_mutex);
if (va.operation == RADEON_VA_RESULT_VA_EXIST) {
struct pb_buffer *b = &bo->base;
struct radeon_bo *old_bo =
- util_hash_table_get(mgr->bo_vas, (void*)(uintptr_t)va.offset);
+ util_hash_table_get(ws->bo_vas, (void*)(uintptr_t)va.offset);
- pipe_mutex_unlock(mgr->bo_handles_mutex);
+ mtx_unlock(&ws->bo_handles_mutex);
pb_reference(&b, &old_bo->base);
return b;
}
- util_hash_table_set(mgr->bo_vas, (void*)(uintptr_t)bo->va, bo);
- pipe_mutex_unlock(mgr->bo_handles_mutex);
+ util_hash_table_set(ws->bo_vas, (void*)(uintptr_t)bo->va, bo);
+ mtx_unlock(&ws->bo_handles_mutex);
}
- ws->allocated_gtt += align(bo->base.size, 4096);
+ ws->allocated_gtt += align(bo->base.size, ws->info.gart_page_size);
return (struct pb_buffer*)bo;
}
static struct pb_buffer *radeon_winsys_bo_from_handle(struct radeon_winsys *rws,
struct winsys_handle *whandle,
- unsigned *stride)
+ unsigned vm_alignment)
{
struct radeon_drm_winsys *ws = radeon_drm_winsys(rws);
struct radeon_bo *bo;
- struct radeon_bomgr *mgr = radeon_bomgr(ws->kman);
int r;
unsigned handle;
uint64_t size = 0;
* we would hit a deadlock in the kernel.
*
* The list of pairs is guarded by a mutex, of course. */
- pipe_mutex_lock(mgr->bo_handles_mutex);
+ mtx_lock(&ws->bo_handles_mutex);
- if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
+ if (whandle->type == WINSYS_HANDLE_TYPE_SHARED) {
/* First check if there already is an existing bo for the handle. */
- bo = util_hash_table_get(mgr->bo_names, (void*)(uintptr_t)whandle->handle);
- } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
+ bo = util_hash_table_get(ws->bo_names, (void*)(uintptr_t)whandle->handle);
+ } else if (whandle->type == WINSYS_HANDLE_TYPE_FD) {
/* We must first get the GEM handle, as fds are unreliable keys */
r = drmPrimeFDToHandle(ws->fd, whandle->handle, &handle);
if (r)
goto fail;
- bo = util_hash_table_get(mgr->bo_handles, (void*)(uintptr_t)handle);
+ bo = util_hash_table_get(ws->bo_handles, (void*)(uintptr_t)handle);
} else {
/* Unknown handle type */
goto fail;
goto fail;
}
- if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
+ if (whandle->type == WINSYS_HANDLE_TYPE_SHARED) {
struct drm_gem_open open_arg = {};
memset(&open_arg, 0, sizeof(open_arg));
/* Open the BO. */
handle = open_arg.handle;
size = open_arg.size;
bo->flink_name = whandle->handle;
- } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
+ } else if (whandle->type == WINSYS_HANDLE_TYPE_FD) {
size = lseek(whandle->handle, 0, SEEK_END);
/*
* Could check errno to determine whether the kernel is new enough, but
lseek(whandle->handle, 0, SEEK_SET);
}
+ assert(handle != 0);
+
bo->handle = handle;
/* Initialize it. */
pipe_reference_init(&bo->base.reference, 1);
bo->base.alignment = 0;
- bo->base.usage = PB_USAGE_GPU_WRITE | PB_USAGE_GPU_READ;
bo->base.size = (unsigned) size;
bo->base.vtbl = &radeon_bo_vtbl;
- bo->mgr = mgr;
- bo->rws = mgr->rws;
+ bo->rws = ws;
bo->va = 0;
- pipe_mutex_init(bo->map_mutex);
+ bo->hash = __sync_fetch_and_add(&ws->next_bo_hash, 1);
+ (void) mtx_init(&bo->u.real.map_mutex, mtx_plain);
if (bo->flink_name)
- util_hash_table_set(mgr->bo_names, (void*)(uintptr_t)bo->flink_name, bo);
+ util_hash_table_set(ws->bo_names, (void*)(uintptr_t)bo->flink_name, bo);
- util_hash_table_set(mgr->bo_handles, (void*)(uintptr_t)bo->handle, bo);
+ util_hash_table_set(ws->bo_handles, (void*)(uintptr_t)bo->handle, bo);
done:
- pipe_mutex_unlock(mgr->bo_handles_mutex);
-
- if (stride)
- *stride = whandle->stride;
+ mtx_unlock(&ws->bo_handles_mutex);
- if (mgr->va && !bo->va) {
+ if (ws->info.r600_has_virtual_memory && !bo->va) {
struct drm_radeon_gem_va va;
- bo->va = radeon_bomgr_find_va(mgr, bo->base.size, 1 << 20);
+ bo->va = radeon_bomgr_find_va64(ws, bo->base.size, vm_alignment);
va.handle = bo->handle;
va.operation = RADEON_VA_MAP;
radeon_bo_destroy(&bo->base);
return NULL;
}
- pipe_mutex_lock(mgr->bo_handles_mutex);
+ mtx_lock(&ws->bo_handles_mutex);
if (va.operation == RADEON_VA_RESULT_VA_EXIST) {
struct pb_buffer *b = &bo->base;
struct radeon_bo *old_bo =
- util_hash_table_get(mgr->bo_vas, (void*)(uintptr_t)va.offset);
+ util_hash_table_get(ws->bo_vas, (void*)(uintptr_t)va.offset);
- pipe_mutex_unlock(mgr->bo_handles_mutex);
+ mtx_unlock(&ws->bo_handles_mutex);
pb_reference(&b, &old_bo->base);
return b;
}
- util_hash_table_set(mgr->bo_vas, (void*)(uintptr_t)bo->va, bo);
- pipe_mutex_unlock(mgr->bo_handles_mutex);
+ util_hash_table_set(ws->bo_vas, (void*)(uintptr_t)bo->va, bo);
+ mtx_unlock(&ws->bo_handles_mutex);
}
bo->initial_domain = radeon_bo_get_initial_domain((void*)bo);
if (bo->initial_domain & RADEON_DOMAIN_VRAM)
- ws->allocated_vram += align(bo->base.size, 4096);
+ ws->allocated_vram += align(bo->base.size, ws->info.gart_page_size);
else if (bo->initial_domain & RADEON_DOMAIN_GTT)
- ws->allocated_gtt += align(bo->base.size, 4096);
+ ws->allocated_gtt += align(bo->base.size, ws->info.gart_page_size);
return (struct pb_buffer*)bo;
fail:
- pipe_mutex_unlock(mgr->bo_handles_mutex);
+ mtx_unlock(&ws->bo_handles_mutex);
return NULL;
}
-static boolean radeon_winsys_bo_get_handle(struct pb_buffer *buffer,
- unsigned stride,
- struct winsys_handle *whandle)
+static bool radeon_winsys_bo_get_handle(struct radeon_winsys *rws,
+ struct pb_buffer *buffer,
+ struct winsys_handle *whandle)
{
struct drm_gem_flink flink;
- struct radeon_bo *bo = get_radeon_bo(buffer);
+ struct radeon_bo *bo = radeon_bo(buffer);
+ struct radeon_drm_winsys *ws = bo->rws;
+
+ /* Don't allow exports of slab entries. */
+ if (!bo->handle)
+ return false;
memset(&flink, 0, sizeof(flink));
- if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
+ bo->u.real.use_reusable_pool = false;
+
+ if (whandle->type == WINSYS_HANDLE_TYPE_SHARED) {
if (!bo->flink_name) {
flink.handle = bo->handle;
- if (ioctl(bo->rws->fd, DRM_IOCTL_GEM_FLINK, &flink)) {
- return FALSE;
+ if (ioctl(ws->fd, DRM_IOCTL_GEM_FLINK, &flink)) {
+ return false;
}
bo->flink_name = flink.name;
- pipe_mutex_lock(bo->mgr->bo_handles_mutex);
- util_hash_table_set(bo->mgr->bo_names, (void*)(uintptr_t)bo->flink_name, bo);
- pipe_mutex_unlock(bo->mgr->bo_handles_mutex);
+ mtx_lock(&ws->bo_handles_mutex);
+ util_hash_table_set(ws->bo_names, (void*)(uintptr_t)bo->flink_name, bo);
+ mtx_unlock(&ws->bo_handles_mutex);
}
whandle->handle = bo->flink_name;
- } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
+ } else if (whandle->type == WINSYS_HANDLE_TYPE_KMS) {
whandle->handle = bo->handle;
- } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
- if (drmPrimeHandleToFD(bo->rws->fd, bo->handle, DRM_CLOEXEC, (int*)&whandle->handle))
- return FALSE;
+ } else if (whandle->type == WINSYS_HANDLE_TYPE_FD) {
+ if (drmPrimeHandleToFD(ws->fd, bo->handle, DRM_CLOEXEC, (int*)&whandle->handle))
+ return false;
}
- whandle->stride = stride;
- return TRUE;
+ return true;
}
-static uint64_t radeon_winsys_bo_va(struct radeon_winsys_cs_handle *buf)
+static bool radeon_winsys_bo_is_user_ptr(struct pb_buffer *buf)
+{
+ return ((struct radeon_bo*)buf)->user_ptr != NULL;
+}
+
+static bool radeon_winsys_bo_is_suballocated(struct pb_buffer *buf)
+{
+ return !((struct radeon_bo*)buf)->handle;
+}
+
+static uint64_t radeon_winsys_bo_va(struct pb_buffer *buf)
{
return ((struct radeon_bo*)buf)->va;
}
-void radeon_bomgr_init_functions(struct radeon_drm_winsys *ws)
+static unsigned radeon_winsys_bo_get_reloc_offset(struct pb_buffer *buf)
+{
+ struct radeon_bo *bo = radeon_bo(buf);
+
+ if (bo->handle)
+ return 0;
+
+ return bo->va - bo->u.slab.real->va;
+}
+
+void radeon_drm_bo_init_functions(struct radeon_drm_winsys *ws)
{
- ws->base.buffer_get_cs_handle = radeon_drm_get_cs_handle;
- ws->base.buffer_set_tiling = radeon_bo_set_tiling;
- ws->base.buffer_get_tiling = radeon_bo_get_tiling;
+ ws->base.buffer_set_metadata = radeon_bo_set_metadata;
+ ws->base.buffer_get_metadata = radeon_bo_get_metadata;
ws->base.buffer_map = radeon_bo_map;
ws->base.buffer_unmap = radeon_bo_unmap;
ws->base.buffer_wait = radeon_bo_wait;
- ws->base.buffer_is_busy = radeon_bo_is_busy;
ws->base.buffer_create = radeon_winsys_bo_create;
ws->base.buffer_from_handle = radeon_winsys_bo_from_handle;
ws->base.buffer_from_ptr = radeon_winsys_bo_from_ptr;
+ ws->base.buffer_is_user_ptr = radeon_winsys_bo_is_user_ptr;
+ ws->base.buffer_is_suballocated = radeon_winsys_bo_is_suballocated;
ws->base.buffer_get_handle = radeon_winsys_bo_get_handle;
ws->base.buffer_get_virtual_address = radeon_winsys_bo_va;
+ ws->base.buffer_get_reloc_offset = radeon_winsys_bo_get_reloc_offset;
ws->base.buffer_get_initial_domain = radeon_bo_get_initial_domain;
}
projects / mesa.git / blobdiff