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 #include <linux/memfd.h>
26 #include <sys/syscall.h>
28 #include "anv_private.h"
31 memfd_create(const char *name
, unsigned int flags
)
33 return syscall(SYS_memfd_create
, name
, flags
);
37 anv_gem_create(struct anv_device
*device
, size_t size
)
39 int fd
= memfd_create("fake bo", MFD_CLOEXEC
);
45 if (ftruncate(fd
, size
) == -1)
52 anv_gem_close(struct anv_device
*device
, uint32_t gem_handle
)
58 anv_gem_mmap(struct anv_device
*device
, uint32_t gem_handle
,
59 uint64_t offset
, uint64_t size
, uint32_t flags
)
61 /* Ignore flags, as they're specific to I915_GEM_MMAP. */
64 return mmap(NULL
, size
, PROT_READ
| PROT_WRITE
, MAP_SHARED
,
68 /* This is just a wrapper around munmap, but it also notifies valgrind that
69 * this map is no longer valid. Pair this with anv_gem_mmap().
72 anv_gem_munmap(void *p
, uint64_t size
)
78 anv_gem_userptr(struct anv_device
*device
, void *mem
, size_t size
)
84 anv_gem_wait(struct anv_device
*device
, uint32_t gem_handle
, int64_t *timeout_ns
)
90 anv_gem_execbuffer(struct anv_device
*device
,
91 struct drm_i915_gem_execbuffer2
*execbuf
)
97 anv_gem_set_tiling(struct anv_device
*device
,
98 uint32_t gem_handle
, uint32_t stride
, uint32_t tiling
)
104 anv_gem_set_caching(struct anv_device
*device
, uint32_t gem_handle
,
111 anv_gem_set_domain(struct anv_device
*device
, uint32_t gem_handle
,
112 uint32_t read_domains
, uint32_t write_domain
)
118 anv_gem_get_param(int fd
, uint32_t param
)
120 unreachable("Unused");
124 anv_gem_get_bit6_swizzle(int fd
, uint32_t tiling
)
126 unreachable("Unused");
130 anv_gem_create_context(struct anv_device
*device
)
132 unreachable("Unused");
136 anv_gem_destroy_context(struct anv_device
*device
, int context
)
138 unreachable("Unused");
142 anv_gem_get_aperture(int fd
, uint64_t *size
)
144 unreachable("Unused");
148 anv_gem_handle_to_fd(struct anv_device
*device
, uint32_t gem_handle
)
150 unreachable("Unused");
154 anv_gem_fd_to_handle(struct anv_device
*device
, int fd
)
156 unreachable("Unused");