2 * Copyright © 2015 Intel Corporation
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24 #define _DEFAULT_SOURCE
26 #include <linux/memfd.h>
28 #include <sys/syscall.h>
30 #include "anv_private.h"
33 memfd_create(const char *name, unsigned int flags)
35 return syscall(SYS_memfd_create, name, flags);
39 anv_gem_create(struct anv_device *device, size_t size)
41 int fd = memfd_create("fake bo", MFD_CLOEXEC);
47 if (ftruncate(fd, size) == -1)
54 anv_gem_close(struct anv_device *device, uint32_t gem_handle)
60 anv_gem_mmap(struct anv_device *device, uint32_t gem_handle,
61 uint64_t offset, uint64_t size, uint32_t flags)
63 /* Ignore flags, as they're specific to I915_GEM_MMAP. */
66 return mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED,
70 /* This is just a wrapper around munmap, but it also notifies valgrind that
71 * this map is no longer valid. Pair this with anv_gem_mmap().
74 anv_gem_munmap(void *p, uint64_t size)
80 anv_gem_userptr(struct anv_device *device, void *mem, size_t size)
86 anv_gem_wait(struct anv_device *device, uint32_t gem_handle, int64_t *timeout_ns)
92 anv_gem_execbuffer(struct anv_device *device,
93 struct drm_i915_gem_execbuffer2 *execbuf)
99 anv_gem_set_tiling(struct anv_device *device,
100 uint32_t gem_handle, uint32_t stride, uint32_t tiling)
106 anv_gem_set_caching(struct anv_device *device, uint32_t gem_handle,
113 anv_gem_set_domain(struct anv_device *device, uint32_t gem_handle,
114 uint32_t read_domains, uint32_t write_domain)
120 anv_gem_get_param(int fd, uint32_t param)
122 unreachable("Unused");
126 anv_gem_get_bit6_swizzle(int fd, uint32_t tiling)
128 unreachable("Unused");
132 anv_gem_create_context(struct anv_device *device)
134 unreachable("Unused");
138 anv_gem_destroy_context(struct anv_device *device, int context)
140 unreachable("Unused");
144 anv_gem_get_aperture(int fd, uint64_t *size)
146 unreachable("Unused");
150 anv_gem_handle_to_fd(struct anv_device *device, uint32_t gem_handle)
152 unreachable("Unused");
156 anv_gem_fd_to_handle(struct anv_device *device, int fd)
158 unreachable("Unused");