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Diffstat (limited to 'tests/gem_ctx_exec.c')
-rw-r--r-- | tests/gem_ctx_exec.c | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/tests/gem_ctx_exec.c b/tests/gem_ctx_exec.c new file mode 100644 index 00000000..423f1eec --- /dev/null +++ b/tests/gem_ctx_exec.c @@ -0,0 +1,139 @@ +/* + * Copyright © 2012 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. + * + * Authors: + * Ben Widawsky <ben@bwidawsk.net> + * + */ + +/* + * This test covers basic context switch functionality + */ + +#include <unistd.h> +#include <stdlib.h> +#include <stdint.h> +#include <stdio.h> +#include <string.h> +#include <assert.h> +#include <fcntl.h> +#include <inttypes.h> +#include <errno.h> +#include <sys/stat.h> +#include <sys/ioctl.h> +#include <sys/mman.h> +#include <sys/time.h> +#include "drm.h" +#include "i915_drm.h" +#include "drmtest.h" + +struct local_drm_i915_gem_context_create { + __u32 ctx_id; + __u32 pad; +}; + +struct local_drm_i915_gem_context_destroy { + __u32 ctx_id; + __u32 pad; +}; + +#define CONTEXT_CREATE_IOCTL DRM_IOWR(DRM_COMMAND_BASE + 0x2d, struct local_drm_i915_gem_context_create) +#define CONTEXT_DESTROY_IOCTL DRM_IOWR(DRM_COMMAND_BASE + 0x23, struct local_drm_i915_gem_context_destroy) + +static uint32_t context_create(int fd) +{ + struct local_drm_i915_gem_context_create create; + int ret; + + ret = drmIoctl(fd, CONTEXT_CREATE_IOCTL, &create); + if (ret == -1 && (errno == ENODEV || errno == EINVAL)) + exit(77); + else if (ret) + abort(); + + return create.ctx_id; +} + +static void context_destroy(int fd, uint32_t ctx_id) +{ + struct local_drm_i915_gem_context_destroy destroy; + destroy.ctx_id = ctx_id; + do_ioctl(fd, CONTEXT_DESTROY_IOCTL, &destroy); +} + +/* Copied from gem_exec_nop.c */ +static int exec(int fd, uint32_t handle, int ring, int ctx_id) +{ + struct drm_i915_gem_execbuffer2 execbuf; + struct drm_i915_gem_exec_object2 gem_exec; + int ret = 0; + + gem_exec.handle = handle; + gem_exec.relocation_count = 0; + gem_exec.relocs_ptr = 0; + gem_exec.alignment = 0; + gem_exec.offset = 0; + gem_exec.flags = 0; + gem_exec.rsvd1 = 0; + gem_exec.rsvd2 = 0; + + execbuf.buffers_ptr = (uintptr_t)&gem_exec; + execbuf.buffer_count = 1; + execbuf.batch_start_offset = 0; + execbuf.batch_len = 8; + execbuf.cliprects_ptr = 0; + execbuf.num_cliprects = 0; + execbuf.DR1 = 0; + execbuf.DR4 = 0; + execbuf.flags = ring; + i915_execbuffer2_set_context_id(execbuf, ctx_id); + execbuf.rsvd2 = 0; + + ret = drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, + &execbuf); + gem_sync(fd, handle); + + return ret; +} + +#define MI_BATCH_BUFFER_END (0xA<<23) +int main(int argc, char *argv[]) +{ + uint32_t handle; + uint32_t batch[2] = {0, MI_BATCH_BUFFER_END}; + uint32_t ctx_id; + int fd; + fd = drm_open_any(); + + ctx_id = context_create(fd); + handle = gem_create(fd, 4096); + + gem_write(fd, handle, 0, batch, sizeof(batch)); + assert(exec(fd, handle, I915_EXEC_RENDER, ctx_id) == 0); + context_destroy(fd, ctx_id); + + ctx_id = context_create(fd); + assert(exec(fd, handle, I915_EXEC_RENDER, ctx_id) == 0); + context_destroy(fd, ctx_id); + + exit(EXIT_SUCCESS); +} |