v3dv: create a v3dv_bo struct and reference it from v3dv_device_memory
So we have a lower level representation of a buffer object that we can manipulate that is not tied to a Vulkan representation of memory. This will be useful as we start allocating driver internal buffers, such as command lists. Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/6766>
This commit is contained in:
parent
d9a7ba317c
commit
dc005f2677
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@ -52,6 +52,7 @@ v3dv_extensions_h = custom_target(
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)
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libv3dv_files = files(
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'v3dv_bo.c',
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'v3dv_cmd_buffer.c',
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'v3dv_debug.c',
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'v3dv_debug.h',
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@ -0,0 +1,145 @@
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/*
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* Copyright © 2019 Raspberry Pi
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "v3dv_private.h"
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#include <errno.h>
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#include <sys/mman.h>
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#include "drm-uapi/v3d_drm.h"
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bool
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v3dv_bo_alloc(struct v3dv_device *device, uint32_t size, struct v3dv_bo *bo)
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{
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const uint32_t page_align = 4096; /* Always allocate full pages */
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size = align(size, page_align);
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struct drm_v3d_create_bo create = {
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.size = size
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};
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int ret = v3dv_ioctl(device->fd, DRM_IOCTL_V3D_CREATE_BO, &create);
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if (ret != 0)
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return false;
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assert(create.offset % page_align == 0);
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assert((create.offset & 0xffffffff) == create.offset);
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bo->handle = create.handle;
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bo->size = size;
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bo->offset = create.offset;
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bo->map = NULL;
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bo->map_size = 0;
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return true;
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}
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bool
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v3dv_bo_free(struct v3dv_device *device, struct v3dv_bo *bo)
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{
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assert(bo);
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if (bo->map)
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v3dv_bo_unmap(device, bo);
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struct drm_gem_close c;
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memset(&c, 0, sizeof(c));
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c.handle = bo->handle;
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int ret = v3dv_ioctl(device->fd, DRM_IOCTL_GEM_CLOSE, &c);
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if (ret != 0)
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fprintf(stderr, "close object %d: %s\n", bo->handle, strerror(errno));
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return ret == 0;
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}
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bool
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v3dv_bo_map_unsynchronized(struct v3dv_device *device,
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struct v3dv_bo *bo,
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uint32_t size)
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{
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assert(bo != NULL && size <= bo->size);
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struct drm_v3d_mmap_bo map;
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memset(&map, 0, sizeof(map));
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map.handle = bo->handle;
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int ret = v3dv_ioctl(device->fd, DRM_IOCTL_V3D_MMAP_BO, &map);
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if (ret != 0) {
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fprintf(stderr, "map ioctl failure\n");
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return false;
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}
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bo->map = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,
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device->fd, map.offset);
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if (bo->map == MAP_FAILED) {
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fprintf(stderr, "mmap of bo %d (offset 0x%016llx, size %d) failed\n",
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bo->handle, (long long)map.offset, (uint32_t)bo->size);
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return false;
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}
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VG(VALGRIND_MALLOCLIKE_BLOCK(bo->map, bo->size, 0, false));
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bo->map_size = size;
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return true;
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}
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bool
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v3dv_bo_wait(struct v3dv_device *device,
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struct v3dv_bo *bo,
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uint64_t timeout_ns)
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{
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struct drm_v3d_wait_bo wait = {
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.handle = bo->handle,
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.timeout_ns = timeout_ns,
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};
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return v3dv_ioctl(device->fd, DRM_IOCTL_V3D_WAIT_BO, &wait) == 0;
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}
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bool
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v3dv_bo_map(struct v3dv_device *device, struct v3dv_bo *bo, uint32_t size)
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{
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assert(bo && size <= bo->size);
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bool ok = v3dv_bo_map_unsynchronized(device, bo, size);
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if (!ok)
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return false;
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const uint64_t infinite = 0xffffffffffffffffull;
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ok = v3dv_bo_wait(device, bo, infinite);
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if (!ok) {
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fprintf(stderr, "memory wait for map failed\n");
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return false;
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}
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return true;
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}
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void
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v3dv_bo_unmap(struct v3dv_device *device, struct v3dv_bo *bo)
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{
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assert(bo && bo->map && bo->map_size > 0);
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munmap(bo->map, bo->map_size);
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VG(VALGRIND_FREELIKE_BLOCK(bo->map, 0));
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bo->map = NULL;
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bo->map_size = 0;
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}
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@ -0,0 +1,50 @@
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/*
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* Copyright © 2019 Raspberry Pi
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#ifndef V3DV_BO_H
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#define V3DV_BO_H
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struct v3dv_device;
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struct v3dv_bo {
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uint32_t handle;
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uint32_t size;
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uint32_t offset;
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uint32_t map_size;
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void *map;
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};
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bool v3dv_bo_alloc(struct v3dv_device *device, uint32_t size, struct v3dv_bo *bo);
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bool v3dv_bo_free(struct v3dv_device *device, struct v3dv_bo *bo);
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bool v3dv_bo_wait(struct v3dv_device *device, struct v3dv_bo *bo, uint64_t timeout_ns);
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bool v3dv_bo_map_unsynchronized(struct v3dv_device *device, struct v3dv_bo *bo, uint32_t size);
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bool v3dv_bo_map(struct v3dv_device *device, struct v3dv_bo *bo, uint32_t size);
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void v3dv_bo_unmap(struct v3dv_device *device, struct v3dv_bo *bo);
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#endif /* V3DV_BO_H */
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@ -1015,96 +1015,18 @@ device_alloc(struct v3dv_device *device,
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struct v3dv_device_memory *mem,
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VkDeviceSize size)
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{
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/* FIXME: implement a BO cache like in v3d */
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/* Our kernel interface is 32-bit */
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assert((size & 0xffffffff) == size);
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const uint32_t page_align = 4096; /* Always allocate full pages */
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size = align(size, page_align);
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struct drm_v3d_create_bo create = {
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.size = size
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};
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int ret = v3dv_ioctl(device->fd, DRM_IOCTL_V3D_CREATE_BO, &create);
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if (ret != 0)
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bool ok = v3dv_bo_alloc(device, size, &mem->bo);
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if (!ok)
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return VK_ERROR_OUT_OF_DEVICE_MEMORY;
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assert(create.offset % page_align == 0);
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assert((create.offset & 0xffffffff) == create.offset);
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mem->handle = create.handle;
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mem->size = size;
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mem->offset = create.offset;
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mem->map = NULL;
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mem->map_size = 0;
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return VK_SUCCESS;
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}
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static void
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device_free(struct v3dv_device *device, struct v3dv_device_memory *mem)
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{
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struct drm_gem_close c;
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memset(&c, 0, sizeof(c));
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c.handle = mem->handle;
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int ret = v3dv_ioctl(device->fd, DRM_IOCTL_GEM_CLOSE, &c);
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if (ret != 0)
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fprintf(stderr, "close object %d: %s\n", mem->handle, strerror(errno));
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}
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static VkResult
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device_map_unsynchronized(struct v3dv_device *device,
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struct v3dv_device_memory *mem,
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uint32_t size)
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{
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assert(mem != NULL && size < mem->size);
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/* From the spec:
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*
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* "After a successful call to vkMapMemory the memory object memory is
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* considered to be currently host mapped. It is an application error to
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* call vkMapMemory on a memory object that is already host mapped."
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*/
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assert(mem->map = NULL);
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struct drm_v3d_mmap_bo map;
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memset(&map, 0, sizeof(map));
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map.handle = mem->handle;
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int ret = v3dv_ioctl(device->fd, DRM_IOCTL_V3D_MMAP_BO, &map);
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if (ret != 0) {
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fprintf(stderr, "map ioctl failure\n");
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return VK_ERROR_MEMORY_MAP_FAILED;
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}
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mem->map = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,
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device->fd, map.offset);
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if (mem->map == MAP_FAILED) {
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fprintf(stderr, "mmap of bo %d (offset 0x%016llx, size %d) failed\n",
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mem->handle, (long long)map.offset, (uint32_t)mem->size);
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return VK_ERROR_MEMORY_MAP_FAILED;
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}
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VG(VALGRIND_MALLOCLIKE_BLOCK(mem->map, mem->size, 0, false));
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mem->map_size = size;
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return VK_SUCCESS;
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}
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static bool
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device_memory_wait(struct v3dv_device *device,
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struct v3dv_device_memory *mem,
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uint64_t timeout_ns)
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{
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struct drm_v3d_wait_bo wait = {
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.handle = mem->handle,
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.timeout_ns = timeout_ns,
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};
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int ret = v3dv_ioctl(device->fd, DRM_IOCTL_V3D_WAIT_BO, &wait);
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if (ret == -1)
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return -errno;
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else
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return 0;
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v3dv_bo_free(device, &mem->bo);
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}
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static VkResult
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@ -1112,16 +1034,17 @@ device_map(struct v3dv_device *device,
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struct v3dv_device_memory *mem,
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uint32_t size)
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{
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VkResult result = device_map_unsynchronized(device, mem, size);
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if (result != VK_SUCCESS)
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return result;
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/* From the spec:
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*
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* "After a successful call to vkMapMemory the memory object memory is
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* considered to be currently host mapped. It is an application error to
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* call vkMapMemory on a memory object that is already host mapped."
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*/
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assert(mem && mem->bo.map == NULL);
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const uint64_t infinite = 0xffffffffffffffffull;
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bool ok = device_memory_wait(device, mem, infinite);
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if (!ok) {
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fprintf(stderr, "memory wait for map failed\n");
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bool ok = v3dv_bo_map(device, &mem->bo, size);
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if (!ok)
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return VK_ERROR_MEMORY_MAP_FAILED;
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}
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return VK_SUCCESS;
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}
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@ -1129,19 +1052,8 @@ device_map(struct v3dv_device *device,
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static void
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device_unmap(struct v3dv_device *device, struct v3dv_device_memory *mem)
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{
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assert(mem->map && mem->map_size > 0);
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munmap(mem->map, mem->map_size);
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VG(VALGRIND_FREELIKE_BLOCK(mem->map, 0));
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mem->map = NULL;
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mem->map_size = 0;
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struct drm_gem_close c;
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memset(&c, 0, sizeof(c));
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c.handle = mem->handle;
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int ret = v3dv_ioctl(device->fd, DRM_IOCTL_GEM_CLOSE, &c);
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if (ret != 0)
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fprintf(stderr, "close object %d: %s\n", mem->handle, strerror(errno));
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assert(mem && mem->bo.map && mem->bo.map_size > 0);
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v3dv_bo_unmap(device, &mem->bo);
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}
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VkResult
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@ -1184,7 +1096,7 @@ v3dv_FreeMemory(VkDevice _device,
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if (mem == NULL)
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return;
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if (mem->map)
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if (mem->bo.map)
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v3dv_UnmapMemory(_device, _mem);
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device_free(device, mem);
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@ -1208,14 +1120,14 @@ v3dv_MapMemory(VkDevice _device,
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return VK_SUCCESS;
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}
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assert(offset < mem->size);
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assert(offset < mem->bo.size);
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/* We always map from the beginning of the region, so if our offset
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* is not 0 and we are not mapping the entire region, we need to
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* add the offset to the map size.
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*/
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if (size == VK_WHOLE_SIZE)
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size = mem->size;
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size = mem->bo.size;
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else if (offset > 0)
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size += offset;
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@ -1223,7 +1135,7 @@ v3dv_MapMemory(VkDevice _device,
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if (result != VK_SUCCESS)
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return vk_error(device->instance, result);
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*ppData = ((uint8_t *) mem->map) + offset;
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*ppData = ((uint8_t *) mem->bo.map) + offset;
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return VK_SUCCESS;
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}
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@ -1292,7 +1204,7 @@ v3dv_BindImageMemory(VkDevice _device,
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* vkGetImageMemoryRequirements with image"
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*/
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assert(memoryOffset % image->alignment == 0);
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assert(memoryOffset < mem->size);
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assert(memoryOffset < mem->bo.size);
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image->mem = mem;
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image->mem_offset = memoryOffset;
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@ -1329,7 +1241,7 @@ v3dv_BindBufferMemory(VkDevice _device,
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* vkGetBufferMemoryRequirements with buffer"
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*/
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assert(memoryOffset % buffer->alignment == 0);
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assert(memoryOffset < mem->size);
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assert(memoryOffset < mem->bo.size);
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buffer->mem = mem;
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buffer->mem_offset = memoryOffset;
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@ -53,6 +53,7 @@
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#include "v3dv_entrypoints.h"
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#include "v3dv_extensions.h"
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#include "v3dv_bo.h"
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#include "vk_alloc.h"
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#include "simulator/v3d_simulator.h"
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@ -166,14 +167,7 @@ struct v3dv_device {
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};
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struct v3dv_device_memory {
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/* FIXME: Can we refactor and resuse v3d_bo here? */
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uint32_t handle;
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VkDeviceSize size;
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VkDeviceSize offset;
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VkDeviceSize map_size;
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void *map;
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struct v3dv_bo bo;
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const VkMemoryType *type;
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};
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