This is a separate object we work within TTM.
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 +-
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 8 +-
drivers/gpu/drm/nouveau/nouveau_bo.c | 4 +-
drivers/gpu/drm/radeon/radeon_ttm.c | 4 +-
drivers/gpu/drm/ttm/Makefile | 3 +-
drivers/gpu/drm/ttm/ttm_bo.c | 124 +---------
drivers/gpu/drm/ttm/ttm_bo_util.c | 4 +-
drivers/gpu/drm/ttm/ttm_resource.c | 151 ++++++++++++
include/drm/ttm/ttm_bo_api.h | 70 +-----
include/drm/ttm/ttm_bo_driver.h | 189 ---------------
include/drm/ttm/ttm_resource.h | 263 +++++++++++++++++++++
11 files changed, 446 insertions(+), 376 deletions(-)
create mode 100644 drivers/gpu/drm/ttm/ttm_resource.c
create mode 100644 include/drm/ttm/ttm_resource.h
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 43f4966331dd..b36d94f57d42 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -381,7 +381,7 @@ int amdgpu_bo_create_kernel_at(struct amdgpu_device *adev,
if (cpu_addr)
amdgpu_bo_kunmap(*bo_ptr);
- ttm_bo_mem_put(&(*bo_ptr)->tbo, &(*bo_ptr)->tbo.mem);
+ ttm_resource_free(&(*bo_ptr)->tbo, &(*bo_ptr)->tbo.mem);
for (i = 0; i < (*bo_ptr)->placement.num_placement; ++i) {
(*bo_ptr)->placements[i].fpfn = offset >> PAGE_SHIFT;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 67d2eef2f9eb..462402fcd1a4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -578,7 +578,7 @@ static int amdgpu_move_vram_ram(struct ttm_buffer_object *bo, bool evict,
/* move BO (in tmp_mem) to new_mem */
r = ttm_bo_move_ttm(bo, ctx, new_mem);
out_cleanup:
- ttm_bo_mem_put(bo, &tmp_mem);
+ ttm_resource_free(bo, &tmp_mem);
return r;
}
@@ -625,7 +625,7 @@ static int amdgpu_move_ram_vram(struct ttm_buffer_object *bo, bool evict,
goto out_cleanup;
}
out_cleanup:
- ttm_bo_mem_put(bo, &tmp_mem);
+ ttm_resource_free(bo, &tmp_mem);
return r;
}
@@ -1203,11 +1203,11 @@ int amdgpu_ttm_alloc_gart(struct ttm_buffer_object *bo)
gtt->offset = (u64)tmp.start << PAGE_SHIFT;
r = amdgpu_ttm_gart_bind(adev, bo, flags);
if (unlikely(r)) {
- ttm_bo_mem_put(bo, &tmp);
+ ttm_resource_free(bo, &tmp);
return r;
}
- ttm_bo_mem_put(bo, &bo->mem);
+ ttm_resource_free(bo, &bo->mem);
bo->mem = tmp;
}
diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
index 604a74323696..29d7d7e100f7 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bo.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
@@ -1191,7 +1191,7 @@ nouveau_bo_move_flipd(struct ttm_buffer_object *bo, bool evict, bool intr,
ret = ttm_bo_move_ttm(bo, &ctx, new_reg);
out:
- ttm_bo_mem_put(bo, &tmp_reg);
+ ttm_resource_free(bo, &tmp_reg);
return ret;
}
@@ -1227,7 +1227,7 @@ nouveau_bo_move_flips(struct ttm_buffer_object *bo, bool evict, bool intr,
goto out;
out:
- ttm_bo_mem_put(bo, &tmp_reg);
+ ttm_resource_free(bo, &tmp_reg);
return ret;
}
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 3355b69b13d1..31f4cf211b6a 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -271,7 +271,7 @@ static int radeon_move_vram_ram(struct ttm_buffer_object *bo,
}
r = ttm_bo_move_ttm(bo, &ctx, new_mem);
out_cleanup:
- ttm_bo_mem_put(bo, &tmp_mem);
+ ttm_resource_free(bo, &tmp_mem);
return r;
}
@@ -309,7 +309,7 @@ static int radeon_move_ram_vram(struct ttm_buffer_object *bo,
goto out_cleanup;
}
out_cleanup:
- ttm_bo_mem_put(bo, &tmp_mem);
+ ttm_resource_free(bo, &tmp_mem);
return r;
}
diff --git a/drivers/gpu/drm/ttm/Makefile b/drivers/gpu/drm/ttm/Makefile
index e54326e6cea4..90c0da88cc98 100644
--- a/drivers/gpu/drm/ttm/Makefile
+++ b/drivers/gpu/drm/ttm/Makefile
@@ -4,7 +4,8 @@
ttm-y := ttm_memory.o ttm_tt.o ttm_bo.o \
ttm_bo_util.o ttm_bo_vm.o ttm_module.o \
- ttm_execbuf_util.o ttm_page_alloc.o ttm_range_manager.o
+ ttm_execbuf_util.o ttm_page_alloc.o ttm_range_manager.o \
+ ttm_resource.o
ttm-$(CONFIG_AGP) += ttm_agp_backend.o
ttm-$(CONFIG_DRM_TTM_DMA_PAGE_POOL) += ttm_page_alloc_dma.o
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index ae71c3ab6cc4..55890314316b 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -77,19 +77,6 @@ static inline int ttm_mem_type_from_place(const struct ttm_place *place,
return 0;
}
-void ttm_resource_manager_debug(struct ttm_resource_manager *man,
- struct drm_printer *p)
-{
- drm_printf(p, " use_type: %d\n", man->use_type);
- drm_printf(p, " use_tt: %d\n", man->use_tt);
- drm_printf(p, " size: %llu\n", man->size);
- drm_printf(p, " available_caching: 0x%08X\n", man->available_caching);
- drm_printf(p, " default_caching: 0x%08X\n", man->default_caching);
- if (man->func && man->func->debug)
- (*man->func->debug)(man, p);
-}
-EXPORT_SYMBOL(ttm_resource_manager_debug);
-
static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,
struct ttm_placement *placement)
{
@@ -363,7 +350,7 @@ static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo)
ttm_tt_destroy(bo->ttm);
bo->ttm = NULL;
- ttm_bo_mem_put(bo, &bo->mem);
+ ttm_resource_free(bo, &bo->mem);
}
static int ttm_bo_individualize_resv(struct ttm_buffer_object *bo)
@@ -678,7 +665,7 @@ static int ttm_bo_evict(struct ttm_buffer_object *bo,
if (unlikely(ret)) {
if (ret != -ERESTARTSYS)
pr_err("Buffer eviction failed\n");
- ttm_bo_mem_put(bo, &evict_mem);
+ ttm_resource_free(bo, &evict_mem);
goto out;
}
bo->evicted = true;
@@ -767,11 +754,11 @@ static int ttm_mem_evict_wait_busy(struct ttm_buffer_object *busy_bo,
return r == -EDEADLK ? -EBUSY : r;
}
-static 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)
+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)
{
struct ttm_buffer_object *bo = NULL, *busy_bo = NULL;
bool locked = false;
@@ -839,32 +826,6 @@ static int ttm_mem_evict_first(struct ttm_bo_device *bdev,
return ret;
}
-static int ttm_bo_mem_get(struct ttm_buffer_object *bo,
- const struct ttm_place *place,
- struct ttm_resource *mem)
-{
- struct ttm_resource_manager *man = ttm_manager_type(bo->bdev, mem->mem_type);
-
- mem->mm_node = NULL;
- if (!man->func || !man->func->alloc)
- return 0;
-
- return man->func->alloc(man, bo, place, mem);
-}
-
-void ttm_bo_mem_put(struct ttm_buffer_object *bo, struct ttm_resource *mem)
-{
- struct ttm_resource_manager *man = ttm_manager_type(bo->bdev, mem->mem_type);
-
- if (!man->func || !man->func->free)
- return;
-
- man->func->free(man, mem);
- mem->mm_node = NULL;
- mem->mem_type = TTM_PL_SYSTEM;
-}
-EXPORT_SYMBOL(ttm_bo_mem_put);
-
/**
* Add the last move fence to the BO and reserve a new shared slot.
*/
@@ -915,7 +876,7 @@ static int ttm_bo_mem_force_space(struct ttm_buffer_object *bo,
ticket = dma_resv_locking_ctx(bo->base.resv);
do {
- ret = ttm_bo_mem_get(bo, place, mem);
+ ret = ttm_resource_alloc(bo, place, mem);
if (likely(!ret))
break;
if (unlikely(ret != -ENOSPC))
@@ -1056,7 +1017,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
goto error;
type_found = true;
- ret = ttm_bo_mem_get(bo, place, mem);
+ ret = ttm_resource_alloc(bo, place, mem);
if (ret == -ENOSPC)
continue;
if (unlikely(ret))
@@ -1065,7 +1026,7 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
man = ttm_manager_type(bdev, mem->mem_type);
ret = ttm_bo_add_move_fence(bo, man, mem, ctx->no_wait_gpu);
if (unlikely(ret)) {
- ttm_bo_mem_put(bo, mem);
+ ttm_resource_free(bo, mem);
if (ret == -EBUSY)
continue;
@@ -1132,7 +1093,7 @@ static int ttm_bo_move_buffer(struct ttm_buffer_object *bo,
ret = ttm_bo_handle_move_mem(bo, &mem, false, ctx);
out_unlock:
if (ret)
- ttm_bo_mem_put(bo, &mem);
+ ttm_resource_free(bo, &mem);
return ret;
}
@@ -1404,52 +1365,6 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
}
EXPORT_SYMBOL(ttm_bo_create);
-int ttm_resource_manager_force_list_clean(struct ttm_bo_device *bdev,
- struct ttm_resource_manager *man)
-{
- struct ttm_operation_ctx ctx = {
- .interruptible = false,
- .no_wait_gpu = false,
- .flags = TTM_OPT_FLAG_FORCE_ALLOC
- };
- struct ttm_bo_global *glob = &ttm_bo_glob;
- struct dma_fence *fence;
- int ret;
- unsigned i;
-
- /*
- * Can't use standard list traversal since we're unlocking.
- */
-
- spin_lock(&glob->lru_lock);
- for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) {
- while (!list_empty(&man->lru[i])) {
- spin_unlock(&glob->lru_lock);
- ret = ttm_mem_evict_first(bdev, man, NULL, &ctx,
- NULL);
- if (ret)
- return ret;
- spin_lock(&glob->lru_lock);
- }
- }
- spin_unlock(&glob->lru_lock);
-
- spin_lock(&man->move_lock);
- fence = dma_fence_get(man->move);
- spin_unlock(&man->move_lock);
-
- if (fence) {
- ret = dma_fence_wait(fence, false);
- dma_fence_put(fence);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-EXPORT_SYMBOL(ttm_resource_manager_force_list_clean);
-
-
int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type)
{
struct ttm_resource_manager *man = ttm_manager_type(bdev, mem_type);
@@ -1468,23 +1383,6 @@ int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type)
}
EXPORT_SYMBOL(ttm_bo_evict_mm);
-void ttm_resource_manager_init(struct ttm_resource_manager *man,
- unsigned long p_size)
-{
- unsigned i;
-
- man->use_io_reserve_lru = false;
- mutex_init(&man->io_reserve_mutex);
- spin_lock_init(&man->move_lock);
- INIT_LIST_HEAD(&man->io_reserve_lru);
- man->size = p_size;
-
- for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i)
- INIT_LIST_HEAD(&man->lru[i]);
- man->move = NULL;
-}
-EXPORT_SYMBOL(ttm_resource_manager_init);
-
static void ttm_bo_global_kobj_release(struct kobject *kobj)
{
struct ttm_bo_global *glob =
diff --git a/drivers/gpu/drm/ttm/ttm_bo_util.c b/drivers/gpu/drm/ttm/ttm_bo_util.c
index 496158acd5b9..12be2d3fcc81 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_util.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_util.c
@@ -47,7 +47,7 @@ struct ttm_transfer_obj {
void ttm_bo_free_old_node(struct ttm_buffer_object *bo)
{
- ttm_bo_mem_put(bo, &bo->mem);
+ ttm_resource_free(bo, &bo->mem);
}
int ttm_bo_move_ttm(struct ttm_buffer_object *bo,
@@ -398,7 +398,7 @@ int ttm_bo_move_memcpy(struct ttm_buffer_object *bo,
* On error, keep the mm node!
*/
if (!ret)
- ttm_bo_mem_put(bo, &old_copy);
+ ttm_resource_free(bo, &old_copy);
return ret;
}
EXPORT_SYMBOL(ttm_bo_move_memcpy);
diff --git a/drivers/gpu/drm/ttm/ttm_resource.c b/drivers/gpu/drm/ttm/ttm_resource.c
new file mode 100644
index 000000000000..33b642532e5c
--- /dev/null
+++ b/drivers/gpu/drm/ttm/ttm_resource.c
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Christian König
+ */
+
+#include <drm/ttm/ttm_resource.h>
+#include <drm/ttm/ttm_bo_driver.h>
+
+int ttm_resource_alloc(struct ttm_buffer_object *bo,
+ const struct ttm_place *place,
+ struct ttm_resource *res)
+{
+ struct ttm_resource_manager *man =
+ ttm_manager_type(bo->bdev, res->mem_type);
+
+ res->mm_node = NULL;
+ if (!man->func || !man->func->alloc)
+ return 0;
+
+ return man->func->alloc(man, bo, place, res);
+}
+
+void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource *res)
+{
+ struct ttm_resource_manager *man =
+ ttm_manager_type(bo->bdev, res->mem_type);
+
+ if (man->func && man->func->free)
+ man->func->free(man, res);
+
+ res->mm_node = NULL;
+ res->mem_type = TTM_PL_SYSTEM;
+}
+EXPORT_SYMBOL(ttm_resource_free);
+
+/**
+ * ttm_resource_manager_init
+ *
+ * @man: memory manager object to init
+ * @p_size: size managed area in pages.
+ *
+ * Initialise core parts of a manager object.
+ */
+void ttm_resource_manager_init(struct ttm_resource_manager *man,
+ unsigned long p_size)
+{
+ unsigned i;
+
+ man->use_io_reserve_lru = false;
+ mutex_init(&man->io_reserve_mutex);
+ spin_lock_init(&man->move_lock);
+ INIT_LIST_HEAD(&man->io_reserve_lru);
+ man->size = p_size;
+
+ for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i)
+ INIT_LIST_HEAD(&man->lru[i]);
+ man->move = NULL;
+}
+EXPORT_SYMBOL(ttm_resource_manager_init);
+
+/*
+ * ttm_resource_manager_force_list_clean
+ *
+ * @bdev - device to use
+ * @man - manager to use
+ *
+ * Force all the objects out of a memory manager until clean.
+ * Part of memory manager cleanup sequence.
+ */
+int ttm_resource_manager_force_list_clean(struct ttm_bo_device *bdev,
+ struct ttm_resource_manager *man)
+{
+ struct ttm_operation_ctx ctx = {
+ .interruptible = false,
+ .no_wait_gpu = false,
+ .flags = TTM_OPT_FLAG_FORCE_ALLOC
+ };
+ struct ttm_bo_global *glob = &ttm_bo_glob;
+ struct dma_fence *fence;
+ int ret;
+ unsigned i;
+
+ /*
+ * Can't use standard list traversal since we're unlocking.
+ */
+
+ spin_lock(&glob->lru_lock);
+ for (i = 0; i < TTM_MAX_BO_PRIORITY; ++i) {
+ while (!list_empty(&man->lru[i])) {
+ spin_unlock(&glob->lru_lock);
+ ret = ttm_mem_evict_first(bdev, man, NULL, &ctx,
+ NULL);
+ if (ret)
+ return ret;
+ spin_lock(&glob->lru_lock);
+ }
+ }
+ spin_unlock(&glob->lru_lock);
+
+ spin_lock(&man->move_lock);
+ fence = dma_fence_get(man->move);
+ spin_unlock(&man->move_lock);
+
+ if (fence) {
+ ret = dma_fence_wait(fence, false);
+ dma_fence_put(fence);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL(ttm_resource_manager_force_list_clean);
+
+/**
+ * ttm_resource_manager_debug
+ *
+ * @man: manager type to dump.
+ * @p: printer to use for debug.
+ */
+void ttm_resource_manager_debug(struct ttm_resource_manager *man,
+ struct drm_printer *p)
+{
+ drm_printf(p, " use_type: %d\n", man->use_type);
+ drm_printf(p, " use_tt: %d\n", man->use_tt);
+ drm_printf(p, " size: %llu\n", man->size);
+ drm_printf(p, " available_caching: 0x%08X\n", man->available_caching);
+ drm_printf(p, " default_caching: 0x%08X\n", man->default_caching);
+ if (man->func && man->func->debug)
+ (*man->func->debug)(man, p);
+}
+EXPORT_SYMBOL(ttm_resource_manager_debug);
diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h
index 770ad2195875..dbb276abcf6a 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;
@@ -54,57 +56,6 @@ struct ttm_place;
struct ttm_lru_bulk_move;
-struct ttm_resource_manager;
-
-/**
- * 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_resource
- *
- * @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_resource {
- 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
*
@@ -533,17 +484,6 @@ int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size,
uint32_t page_alignment, bool interruptible,
struct ttm_buffer_object **p_bo);
-/**
- * ttm_resource_manager_init
- *
- * @man: memory manager object to init
- * @p_size: size managed area in pages.
- *
- * Initialise core parts of a manager object.
- */
-void ttm_resource_manager_init(struct ttm_resource_manager *man,
- unsigned long p_size);
-
/**
* ttm_bo_evict_mm
*
@@ -680,6 +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
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index bfdda61edadb..27b4a1e92875 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -43,131 +43,6 @@
#include "ttm_placement.h"
#include "ttm_tt.h"
-#define TTM_MAX_BO_PRIORITY 4U
-
-struct ttm_resource_manager;
-
-struct ttm_resource_manager_func {
- /**
- * struct ttm_resource_manager_func member alloc
- *
- * @man: Pointer to a memory type manager.
- * @bo: Pointer to the buffer object we're allocating space for.
- * @placement: Placement details.
- * @flags: Additional placement flags.
- * @mem: Pointer to a struct ttm_resource to be filled in.
- *
- * This function should allocate space in the memory type managed
- * by @man. Placement details if
- * applicable are given by @placement. If successful,
- * @mem::mm_node should be set to a non-null value, and
- * @mem::start should be set to a value identifying the beginning
- * of the range allocated, and the function should return zero.
- * If the memory region accommodate the buffer object, @mem::mm_node
- * should be set to NULL, and the function should return 0.
- * If a system error occurred, preventing the request to be fulfilled,
- * the function should return a negative error code.
- *
- * Note that @mem::mm_node will only be dereferenced by
- * struct ttm_resource_manager functions and optionally by the driver,
- * which has knowledge of the underlying type.
- *
- * This function may not be called from within atomic context, so
- * an implementation can and must use either a mutex or a spinlock to
- * protect any data structures managing the space.
- */
- int (*alloc)(struct ttm_resource_manager *man,
- struct ttm_buffer_object *bo,
- const struct ttm_place *place,
- struct ttm_resource *mem);
-
- /**
- * struct ttm_resource_manager_func member free
- *
- * @man: Pointer to a memory type manager.
- * @mem: Pointer to a struct ttm_resource to be filled in.
- *
- * This function frees memory type resources previously allocated
- * and that are identified by @mem::mm_node and @mem::start. May not
- * be called from within atomic context.
- */
- void (*free)(struct ttm_resource_manager *man,
- struct ttm_resource *mem);
-
- /**
- * struct ttm_resource_manager_func member debug
- *
- * @man: Pointer to a memory type manager.
- * @printer: Prefix to be used in printout to identify the caller.
- *
- * This function is called to print out the state of the memory
- * type manager to aid debugging of out-of-memory conditions.
- * It may not be called from within atomic context.
- */
- void (*debug)(struct ttm_resource_manager *man,
- struct drm_printer *printer);
-};
-
-/**
- * struct ttm_resource_manager
- *
- * @use_type: The memory type is enabled.
- * @flags: TTM_MEMTYPE_XX flags identifying the traits of the memory
- * managed by this memory type.
- * @gpu_offset: If used, the GPU offset of the first managed page of
- * fixed memory or the first managed location in an aperture.
- * @size: Size of the managed region.
- * @available_caching: A mask of available caching types, TTM_PL_FLAG_XX,
- * as defined in ttm_placement_common.h
- * @default_caching: The default caching policy used for a buffer object
- * placed in this memory type if the user doesn't provide one.
- * @func: structure pointer implementing the range manager. See above
- * @io_reserve_mutex: Mutex optionally protecting shared io_reserve structures
- * @use_io_reserve_lru: Use an lru list to try to unreserve io_mem_regions
- * reserved by the TTM vm system.
- * @io_reserve_lru: Optional lru list for unreserving io mem regions.
- * @move_lock: lock for move fence
- * static information. bdev::driver::io_mem_free is never used.
- * @lru: The lru list for this memory type.
- * @move: The fence of the last pipelined move operation.
- *
- * This structure is used to identify and manage memory types for a device.
- */
-
-
-
-struct ttm_resource_manager {
- /*
- * No protection. Constant from start.
- */
- bool use_type;
- bool use_tt;
- uint64_t size;
- uint32_t available_caching;
- uint32_t default_caching;
- const struct ttm_resource_manager_func *func;
- struct mutex io_reserve_mutex;
- bool use_io_reserve_lru;
- spinlock_t move_lock;
-
- /*
- * Protected by @io_reserve_mutex:
- */
-
- struct list_head io_reserve_lru;
-
- /*
- * Protected by the global->lru_lock.
- */
-
- struct list_head lru[TTM_MAX_BO_PRIORITY];
-
- /*
- * Protected by @move_lock.
- */
- struct dma_fence *move;
-};
-
/**
* struct ttm_bo_driver
*
@@ -537,8 +412,6 @@ int ttm_bo_mem_space(struct ttm_buffer_object *bo,
struct ttm_resource *mem,
struct ttm_operation_ctx *ctx);
-void ttm_bo_mem_put(struct ttm_buffer_object *bo, struct ttm_resource *mem);
-
int ttm_bo_device_release(struct ttm_bo_device *bdev);
/**
@@ -675,59 +548,6 @@ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo)
dma_resv_unlock(bo->base.resv);
}
-/**
- * ttm_resource_manager_set_used
- *
- * @man: A memory manager object.
- * @used: usage state to set.
- *
- * Set the manager in use flag. If disabled the manager is no longer
- * used for object placement.
- */
-static inline void ttm_resource_manager_set_used(struct ttm_resource_manager *man, bool used)
-{
- man->use_type = used;
-}
-
-/**
- * ttm_resource_manager_used
- *
- * @man: Manager to get used state for
- *
- * Get the in use flag for a manager.
- * Returns:
- * true is used, false if not.
- */
-static inline bool ttm_resource_manager_used(struct ttm_resource_manager *man)
-{
- return man->use_type;
-}
-
-/**
- * ttm_resource_manager_cleanup
- *
- * @man: A memory manager object.
- *
- * Cleanup the move fences from the memory manager object.
- */
-static inline void ttm_resource_manager_cleanup(struct ttm_resource_manager *man)
-{
- dma_fence_put(man->move);
- man->move = NULL;
-}
-
-/*
- * ttm_resource_manager_force_list_clean
- *
- * @bdev - device to use
- * @man - manager to use
- *
- * Force all the objects out of a memory manager until clean.
- * Part of memory manager cleanup sequence.
- */
-int ttm_resource_manager_force_list_clean(struct ttm_bo_device *bdev,
- struct ttm_resource_manager *man);
-
/*
* ttm_bo_util.c
*/
@@ -874,13 +694,4 @@ int ttm_range_man_init(struct ttm_bo_device *bdev,
int ttm_range_man_fini(struct ttm_bo_device *bdev,
unsigned type);
-/**
- * ttm_resource_manager_debug
- *
- * @man: manager type to dump.
- * @p: printer to use for debug.
- */
-void ttm_resource_manager_debug(struct ttm_resource_manager *man,
- struct drm_printer *p);
-
#endif
diff --git a/include/drm/ttm/ttm_resource.h b/include/drm/ttm/ttm_resource.h
new file mode 100644
index 000000000000..bac22a56f6cd
--- /dev/null
+++ b/include/drm/ttm/ttm_resource.h
@@ -0,0 +1,263 @@
+/*
+ * Copyright 2020 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Christian König
+ */
+
+#ifndef _TTM_RESOURCE_H_
+#define _TTM_RESOURCE_H_
+
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/dma-fence.h>
+#include <drm/drm_print.h>
+
+#define TTM_MAX_BO_PRIORITY 4U
+
+struct ttm_bo_device;
+struct ttm_resource_manager;
+struct ttm_resource;
+struct ttm_place;
+struct ttm_buffer_object;
+
+struct ttm_resource_manager_func {
+ /**
+ * struct ttm_resource_manager_func member alloc
+ *
+ * @man: Pointer to a memory type manager.
+ * @bo: Pointer to the buffer object we're allocating space for.
+ * @placement: Placement details.
+ * @flags: Additional placement flags.
+ * @mem: Pointer to a struct ttm_resource to be filled in.
+ *
+ * This function should allocate space in the memory type managed
+ * by @man. Placement details if
+ * applicable are given by @placement. If successful,
+ * @mem::mm_node should be set to a non-null value, and
+ * @mem::start should be set to a value identifying the beginning
+ * of the range allocated, and the function should return zero.
+ * If the memory region accommodate the buffer object, @mem::mm_node
+ * should be set to NULL, and the function should return 0.
+ * If a system error occurred, preventing the request to be fulfilled,
+ * the function should return a negative error code.
+ *
+ * Note that @mem::mm_node will only be dereferenced by
+ * struct ttm_resource_manager functions and optionally by the driver,
+ * which has knowledge of the underlying type.
+ *
+ * This function may not be called from within atomic context, so
+ * an implementation can and must use either a mutex or a spinlock to
+ * protect any data structures managing the space.
+ */
+ int (*alloc)(struct ttm_resource_manager *man,
+ struct ttm_buffer_object *bo,
+ const struct ttm_place *place,
+ struct ttm_resource *mem);
+
+ /**
+ * struct ttm_resource_manager_func member free
+ *
+ * @man: Pointer to a memory type manager.
+ * @mem: Pointer to a struct ttm_resource to be filled in.
+ *
+ * This function frees memory type resources previously allocated
+ * and that are identified by @mem::mm_node and @mem::start. May not
+ * be called from within atomic context.
+ */
+ void (*free)(struct ttm_resource_manager *man,
+ struct ttm_resource *mem);
+
+ /**
+ * struct ttm_resource_manager_func member debug
+ *
+ * @man: Pointer to a memory type manager.
+ * @printer: Prefix to be used in printout to identify the caller.
+ *
+ * This function is called to print out the state of the memory
+ * type manager to aid debugging of out-of-memory conditions.
+ * It may not be called from within atomic context.
+ */
+ void (*debug)(struct ttm_resource_manager *man,
+ struct drm_printer *printer);
+};
+
+/**
+ * struct ttm_resource_manager
+ *
+ * @use_type: The memory type is enabled.
+ * @flags: TTM_MEMTYPE_XX flags identifying the traits of the memory
+ * managed by this memory type.
+ * @gpu_offset: If used, the GPU offset of the first managed page of
+ * fixed memory or the first managed location in an aperture.
+ * @size: Size of the managed region.
+ * @available_caching: A mask of available caching types, TTM_PL_FLAG_XX,
+ * as defined in ttm_placement_common.h
+ * @default_caching: The default caching policy used for a buffer object
+ * placed in this memory type if the user doesn't provide one.
+ * @func: structure pointer implementing the range manager. See above
+ * @io_reserve_mutex: Mutex optionally protecting shared io_reserve structures
+ * @use_io_reserve_lru: Use an lru list to try to unreserve io_mem_regions
+ * reserved by the TTM vm system.
+ * @io_reserve_lru: Optional lru list for unreserving io mem regions.
+ * @move_lock: lock for move fence
+ * static information. bdev::driver::io_mem_free is never used.
+ * @lru: The lru list for this memory type.
+ * @move: The fence of the last pipelined move operation.
+ *
+ * This structure is used to identify and manage memory types for a device.
+ */
+struct ttm_resource_manager {
+ /*
+ * No protection. Constant from start.
+ */
+ bool use_type;
+ bool use_tt;
+ uint64_t size;
+ uint32_t available_caching;
+ uint32_t default_caching;
+ const struct ttm_resource_manager_func *func;
+ struct mutex io_reserve_mutex;
+ bool use_io_reserve_lru;
+ spinlock_t move_lock;
+
+ /*
+ * Protected by @io_reserve_mutex:
+ */
+
+ struct list_head io_reserve_lru;
+
+ /*
+ * Protected by the global->lru_lock.
+ */
+
+ struct list_head lru[TTM_MAX_BO_PRIORITY];
+
+ /*
+ * Protected by @move_lock.
+ */
+ struct dma_fence *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_resource
+ *
+ * @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_resource {
+ 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;
+};
+
+/**
+ * ttm_resource_manager_set_used
+ *
+ * @man: A memory manager object.
+ * @used: usage state to set.
+ *
+ * Set the manager in use flag. If disabled the manager is no longer
+ * used for object placement.
+ */
+static inline void
+ttm_resource_manager_set_used(struct ttm_resource_manager *man, bool used)
+{
+ man->use_type = used;
+}
+
+/**
+ * ttm_resource_manager_used
+ *
+ * @man: Manager to get used state for
+ *
+ * Get the in use flag for a manager.
+ * Returns:
+ * true is used, false if not.
+ */
+static inline bool ttm_resource_manager_used(struct ttm_resource_manager *man)
+{
+ return man->use_type;
+}
+
+/**
+ * ttm_resource_manager_cleanup
+ *
+ * @man: A memory manager object.
+ *
+ * Cleanup the move fences from the memory manager object.
+ */
+static inline void
+ttm_resource_manager_cleanup(struct ttm_resource_manager *man)
+{
+ dma_fence_put(man->move);
+ man->move = NULL;
+}
+
+int ttm_resource_alloc(struct ttm_buffer_object *bo,
+ const struct ttm_place *place,
+ struct ttm_resource *res);
+void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource *res);
+
+void ttm_resource_manager_init(struct ttm_resource_manager *man,
+ unsigned long p_size);
+
+int ttm_resource_manager_force_list_clean(struct ttm_bo_device *bdev,
+ struct ttm_resource_manager *man);
+
+void ttm_resource_manager_debug(struct ttm_resource_manager *man,
+ struct drm_printer *p);
+
+#endif
--
2.17.1
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