From 9851c8285f7bf70a6cb4bede2ee94110c14acc19 Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Thu, 18 Feb 2016 10:37:59 -0800 Subject: Move the intel vulkan driver to src/intel/vulkan --- src/intel/vulkan/anv_gem.c | 358 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 358 insertions(+) create mode 100644 src/intel/vulkan/anv_gem.c (limited to 'src/intel/vulkan/anv_gem.c') diff --git a/src/intel/vulkan/anv_gem.c b/src/intel/vulkan/anv_gem.c new file mode 100644 index 0000000..0a7be35 --- /dev/null +++ b/src/intel/vulkan/anv_gem.c @@ -0,0 +1,358 @@ +/* + * Copyright © 2015 Intel Corporation + * + * 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 (including the next + * paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. + */ + +#define _DEFAULT_SOURCE + +#include +#include +#include +#include +#include +#include + +#include "anv_private.h" + +#define VG_CLEAR(s) VG(memset(&s, 0, sizeof(s))) + +static int +anv_ioctl(int fd, unsigned long request, void *arg) +{ + int ret; + + do { + ret = ioctl(fd, request, arg); + } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); + + return ret; +} + +/** + * Wrapper around DRM_IOCTL_I915_GEM_CREATE. + * + * Return gem handle, or 0 on failure. Gem handles are never 0. + */ +uint32_t +anv_gem_create(struct anv_device *device, size_t size) +{ + struct drm_i915_gem_create gem_create; + int ret; + + VG_CLEAR(gem_create); + gem_create.size = size; + + ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_CREATE, &gem_create); + if (ret != 0) { + /* FIXME: What do we do if this fails? */ + return 0; + } + + return gem_create.handle; +} + +void +anv_gem_close(struct anv_device *device, uint32_t gem_handle) +{ + struct drm_gem_close close; + + VG_CLEAR(close); + close.handle = gem_handle; + anv_ioctl(device->fd, DRM_IOCTL_GEM_CLOSE, &close); +} + +/** + * Wrapper around DRM_IOCTL_I915_GEM_MMAP. + */ +void* +anv_gem_mmap(struct anv_device *device, uint32_t gem_handle, + uint64_t offset, uint64_t size, uint32_t flags) +{ + struct drm_i915_gem_mmap gem_mmap; + int ret; + + gem_mmap.handle = gem_handle; + VG_CLEAR(gem_mmap.pad); + gem_mmap.offset = offset; + gem_mmap.size = size; + VG_CLEAR(gem_mmap.addr_ptr); + gem_mmap.flags = flags; + + ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_MMAP, &gem_mmap); + if (ret != 0) { + /* FIXME: Is NULL the right error return? Cf MAP_INVALID */ + return NULL; + } + + VG(VALGRIND_MALLOCLIKE_BLOCK(gem_mmap.addr_ptr, gem_mmap.size, 0, 1)); + return (void *)(uintptr_t) gem_mmap.addr_ptr; +} + +/* This is just a wrapper around munmap, but it also notifies valgrind that + * this map is no longer valid. Pair this with anv_gem_mmap(). + */ +void +anv_gem_munmap(void *p, uint64_t size) +{ + VG(VALGRIND_FREELIKE_BLOCK(p, 0)); + munmap(p, size); +} + +uint32_t +anv_gem_userptr(struct anv_device *device, void *mem, size_t size) +{ + struct drm_i915_gem_userptr userptr; + int ret; + + VG_CLEAR(userptr); + userptr.user_ptr = (__u64)((unsigned long) mem); + userptr.user_size = size; + userptr.flags = 0; + + ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_USERPTR, &userptr); + if (ret == -1) + return 0; + + return userptr.handle; +} + +int +anv_gem_set_caching(struct anv_device *device, + uint32_t gem_handle, uint32_t caching) +{ + struct drm_i915_gem_caching gem_caching; + + VG_CLEAR(gem_caching); + gem_caching.handle = gem_handle; + gem_caching.caching = caching; + + return anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_SET_CACHING, &gem_caching); +} + +int +anv_gem_set_domain(struct anv_device *device, uint32_t gem_handle, + uint32_t read_domains, uint32_t write_domain) +{ + struct drm_i915_gem_set_domain gem_set_domain; + + VG_CLEAR(gem_set_domain); + gem_set_domain.handle = gem_handle; + gem_set_domain.read_domains = read_domains; + gem_set_domain.write_domain = write_domain; + + return anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_SET_DOMAIN, &gem_set_domain); +} + +/** + * On error, \a timeout_ns holds the remaining time. + */ +int +anv_gem_wait(struct anv_device *device, uint32_t gem_handle, int64_t *timeout_ns) +{ + struct drm_i915_gem_wait wait; + int ret; + + VG_CLEAR(wait); + wait.bo_handle = gem_handle; + wait.timeout_ns = *timeout_ns; + wait.flags = 0; + + ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_WAIT, &wait); + *timeout_ns = wait.timeout_ns; + + return ret; +} + +int +anv_gem_execbuffer(struct anv_device *device, + struct drm_i915_gem_execbuffer2 *execbuf) +{ + return anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, execbuf); +} + +int +anv_gem_set_tiling(struct anv_device *device, + uint32_t gem_handle, uint32_t stride, uint32_t tiling) +{ + struct drm_i915_gem_set_tiling set_tiling; + int ret; + + /* set_tiling overwrites the input on the error path, so we have to open + * code anv_ioctl. + */ + + do { + VG_CLEAR(set_tiling); + set_tiling.handle = gem_handle; + set_tiling.tiling_mode = tiling; + set_tiling.stride = stride; + + ret = ioctl(device->fd, DRM_IOCTL_I915_GEM_SET_TILING, &set_tiling); + } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); + + return ret; +} + +int +anv_gem_get_param(int fd, uint32_t param) +{ + drm_i915_getparam_t gp; + int ret, tmp; + + VG_CLEAR(gp); + gp.param = param; + gp.value = &tmp; + ret = anv_ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp); + if (ret == 0) + return tmp; + + return 0; +} + +bool +anv_gem_get_bit6_swizzle(int fd, uint32_t tiling) +{ + struct drm_gem_close close; + int ret; + + struct drm_i915_gem_create gem_create; + VG_CLEAR(gem_create); + gem_create.size = 4096; + + if (anv_ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &gem_create)) { + assert(!"Failed to create GEM BO"); + return false; + } + + bool swizzled = false; + + /* set_tiling overwrites the input on the error path, so we have to open + * code anv_ioctl. + */ + struct drm_i915_gem_set_tiling set_tiling; + do { + VG_CLEAR(set_tiling); + set_tiling.handle = gem_create.handle; + set_tiling.tiling_mode = tiling; + set_tiling.stride = tiling == I915_TILING_X ? 512 : 128; + + ret = ioctl(fd, DRM_IOCTL_I915_GEM_SET_TILING, &set_tiling); + } while (ret == -1 && (errno == EINTR || errno == EAGAIN)); + + if (ret != 0) { + assert(!"Failed to set BO tiling"); + goto close_and_return; + } + + struct drm_i915_gem_get_tiling get_tiling; + VG_CLEAR(get_tiling); + get_tiling.handle = gem_create.handle; + + if (anv_ioctl(fd, DRM_IOCTL_I915_GEM_GET_TILING, &get_tiling)) { + assert(!"Failed to get BO tiling"); + goto close_and_return; + } + + swizzled = get_tiling.swizzle_mode != I915_BIT_6_SWIZZLE_NONE; + +close_and_return: + + VG_CLEAR(close); + close.handle = gem_create.handle; + anv_ioctl(fd, DRM_IOCTL_GEM_CLOSE, &close); + + return swizzled; +} + +int +anv_gem_create_context(struct anv_device *device) +{ + struct drm_i915_gem_context_create create; + int ret; + + VG_CLEAR(create); + + ret = anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_CONTEXT_CREATE, &create); + if (ret == -1) + return -1; + + return create.ctx_id; +} + +int +anv_gem_destroy_context(struct anv_device *device, int context) +{ + struct drm_i915_gem_context_destroy destroy; + + VG_CLEAR(destroy); + destroy.ctx_id = context; + + return anv_ioctl(device->fd, DRM_IOCTL_I915_GEM_CONTEXT_DESTROY, &destroy); +} + +int +anv_gem_get_aperture(int fd, uint64_t *size) +{ + struct drm_i915_gem_get_aperture aperture; + int ret; + + VG_CLEAR(aperture); + ret = anv_ioctl(fd, DRM_IOCTL_I915_GEM_GET_APERTURE, &aperture); + if (ret == -1) + return -1; + + *size = aperture.aper_available_size; + + return 0; +} + +int +anv_gem_handle_to_fd(struct anv_device *device, uint32_t gem_handle) +{ + struct drm_prime_handle args; + int ret; + + VG_CLEAR(args); + args.handle = gem_handle; + args.flags = DRM_CLOEXEC; + + ret = anv_ioctl(device->fd, DRM_IOCTL_PRIME_HANDLE_TO_FD, &args); + if (ret == -1) + return -1; + + return args.fd; +} + +uint32_t +anv_gem_fd_to_handle(struct anv_device *device, int fd) +{ + struct drm_prime_handle args; + int ret; + + VG_CLEAR(args); + args.fd = fd; + + ret = anv_ioctl(device->fd, DRM_IOCTL_PRIME_FD_TO_HANDLE, &args); + if (ret == -1) + return 0; + + return args.handle; +} -- cgit v1.1