tests/gem_exec_params.c - platform/external/igt-gpu-tools - Gitiles

 /*
  * Copyright (c) 2014 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:
  *    Daniel Vetter
  *
  */

 #include "igt.h"
 #include "igt_device.h"

 #include <unistd.h>
 #include <stdlib.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <string.h>
 #include <fcntl.h>
 #include <inttypes.h>
 #include <errno.h>
 #include <sys/stat.h>
 #include <sys/ioctl.h>
 #include <sys/time.h>
 #include "drm.h"


 #define LOCAL_I915_EXEC_VEBOX (4<<0)
 #define LOCAL_I915_EXEC_BSD_MASK (3<<13)
 #define LOCAL_I915_EXEC_BSD_RING1 (1<<13)
 #define LOCAL_I915_EXEC_BSD_RING2 (2<<13)
 #define LOCAL_I915_EXEC_RESOURCE_STREAMER (1<<15)
 #define LOCAL_I915_EXEC_FENCE_IN (1 << 16)
 #define LOCAL_I915_EXEC_FENCE_OUT (1 << 17)
 #define LOCAL_I915_EXEC_BATCH_FIRST (1 << 18)
 #define LOCAL_I915_EXEC_FENCE_ARRAY (1 << 19)

 static bool has_ring(int fd, unsigned ring_exec_flags)
 {
 	switch (ring_exec_flags & I915_EXEC_RING_MASK) {
 	case 0:
 	case I915_EXEC_RENDER:
 		return true;

 	case I915_EXEC_BSD:
 		if (ring_exec_flags & LOCAL_I915_EXEC_BSD_MASK)
 			return gem_has_bsd2(fd);
 		else
 			return gem_has_bsd(fd);

 	case I915_EXEC_BLT:
 		return gem_has_blt(fd);

 	case I915_EXEC_VEBOX:
 		return gem_has_vebox(fd);
 	}

 	igt_assert_f(0, "invalid exec flag 0x%x\n", ring_exec_flags);
 	return false;
 }

 static bool has_exec_batch_first(int fd)
 {
 	int val = -1;
 	struct drm_i915_getparam gp = {
 		.param = 48,
 		.value = &val,
 	};
 	ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
 	return val > 0;
 }

 static void test_batch_first(int fd)
 {
 	const int gen = intel_gen(intel_get_drm_devid(fd));
 	struct drm_i915_gem_execbuffer2 execbuf;
 	struct drm_i915_gem_exec_object2 obj[3];
 	struct drm_i915_gem_relocation_entry reloc[2];
 	uint32_t *map, value;
 	int i;

 	igt_require(gem_can_store_dword(fd, 0));
 	igt_require(has_exec_batch_first(fd));

 	memset(obj, 0, sizeof(obj));
 	memset(reloc, 0, sizeof(reloc));

 	obj[0].handle = gem_create(fd, 4096);
 	obj[1].handle = gem_create(fd, 4096);
 	obj[2].handle = gem_create(fd, 4096);

 	reloc[0].target_handle = obj[1].handle;
 	reloc[0].offset = sizeof(uint32_t);
 	reloc[0].read_domains = I915_GEM_DOMAIN_INSTRUCTION;
 	reloc[0].write_domain = I915_GEM_DOMAIN_INSTRUCTION;
 	obj[0].relocs_ptr = to_user_pointer(&reloc[0]);
 	obj[0].relocation_count = 1;

 	i = 0;
 	map = gem_mmap__cpu(fd, obj[0].handle, 0, 4096, PROT_WRITE);
 	gem_set_domain(fd, obj[0].handle,
 			I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
 	map[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0);
 	if (gen >= 8) {
 		map[++i] = 0;
 		map[++i] = 0;
 	} else if (gen >= 4) {
 		map[++i] = 0;
 		map[++i] = 0;
 		reloc[0].offset += sizeof(uint32_t);
 	} else {
 		map[i]--;
 		map[++i] = 0;
 	}
 	map[++i] = 1;
 	map[++i] = MI_BATCH_BUFFER_END;
 	munmap(map, 4096);

 	reloc[1].target_handle = obj[1].handle;
 	reloc[1].offset = sizeof(uint32_t);
 	reloc[1].read_domains = I915_GEM_DOMAIN_INSTRUCTION;
 	reloc[1].write_domain = I915_GEM_DOMAIN_INSTRUCTION;
 	obj[2].relocs_ptr = to_user_pointer(&reloc[1]);
 	obj[2].relocation_count = 1;

 	i = 0;
 	map = gem_mmap__cpu(fd, obj[2].handle, 0, 4096, PROT_WRITE);
 	gem_set_domain(fd, obj[2].handle,
 			I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
 	map[i] = MI_STORE_DWORD_IMM | (gen < 6 ? 1 << 22 : 0);
 	if (gen >= 8) {
 		map[++i] = 0;
 		map[++i] = 0;
 	} else if (gen >= 4) {
 		map[++i] = 0;
 		map[++i] = 0;
 		reloc[1].offset += sizeof(uint32_t);
 	} else {
 		map[i]--;
 		map[++i] = 0;
 	}
 	map[++i] = 2;
 	map[++i] = MI_BATCH_BUFFER_END;
 	munmap(map, 4096);

 	memset(&execbuf, 0, sizeof(execbuf));
 	execbuf.buffers_ptr = to_user_pointer(obj);
 	execbuf.buffer_count = ARRAY_SIZE(obj);
 	if (gen > 3 && gen < 6)
 		execbuf.flags |= I915_EXEC_SECURE;

 	/* Normal mode */
 	gem_execbuf(fd, &execbuf);
 	gem_read(fd, obj[1].handle, 0, &value, sizeof(value));
 	igt_assert_eq_u32(value, 2);

 	/* Batch first mode */
 	execbuf.flags |= LOCAL_I915_EXEC_BATCH_FIRST;
 	gem_execbuf(fd, &execbuf);
 	gem_read(fd, obj[1].handle, 0, &value, sizeof(value));
 	igt_assert_eq_u32(value, 1);

 	gem_close(fd, obj[2].handle);
 	gem_close(fd, obj[1].handle);
 	gem_close(fd, obj[0].handle);
 }

 struct drm_i915_gem_execbuffer2 execbuf;
 struct drm_i915_gem_exec_object2 gem_exec[1];
 uint32_t batch[2] = {MI_BATCH_BUFFER_END};
 uint32_t handle, devid;
 int fd;

 igt_main
 {
 	const struct intel_execution_engine *e;

 	igt_fixture {
 		fd = drm_open_driver(DRIVER_INTEL);
 		igt_require_gem(fd);

 		devid = intel_get_drm_devid(fd);

 		handle = gem_create(fd, 4096);
 		gem_write(fd, handle, 0, batch, sizeof(batch));

 		gem_exec[0].handle = handle;
 		gem_exec[0].relocation_count = 0;
 		gem_exec[0].relocs_ptr = 0;
 		gem_exec[0].alignment = 0;
 		gem_exec[0].offset = 0;
 		gem_exec[0].flags = 0;
 		gem_exec[0].rsvd1 = 0;
 		gem_exec[0].rsvd2 = 0;

 		execbuf.buffers_ptr = to_user_pointer(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 = 0;
 		i915_execbuffer2_set_context_id(execbuf, 0);
 		execbuf.rsvd2 = 0;
 	}

 	igt_subtest("control") {
 		for (e = intel_execution_engines; e->name; e++) {
 			if (has_ring(fd, e->exec_id | e->flags)) {
 				execbuf.flags = e->exec_id | e->flags;
 				gem_execbuf(fd, &execbuf);
 			}
 		}
 	}

 #define RUN_FAIL(expected_errno) do { \
 		igt_assert(drmIoctl(fd, \
 				    DRM_IOCTL_I915_GEM_EXECBUFFER2, \
 				    &execbuf) == -1); \
 		igt_assert_eq(errno, expected_errno); \
 	} while(0)

 	igt_subtest("no-bsd") {
 		igt_require(!gem_has_bsd(fd));
 		execbuf.flags = I915_EXEC_BSD;
 		RUN_FAIL(EINVAL);
 	}
 	igt_subtest("no-blt") {
 		igt_require(!gem_has_blt(fd));
 		execbuf.flags = I915_EXEC_BLT;
 		RUN_FAIL(EINVAL);
 	}
 	igt_subtest("no-vebox") {
 		igt_require(!gem_has_vebox(fd));
 		execbuf.flags = LOCAL_I915_EXEC_VEBOX;
 		RUN_FAIL(EINVAL);
 	}
 	igt_subtest("invalid-ring") {
 		execbuf.flags = I915_EXEC_RING_MASK;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("invalid-ring2") {
 		execbuf.flags = LOCAL_I915_EXEC_VEBOX+1;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("invalid-bsd-ring") {
 		igt_require(gem_has_bsd2(fd));
 		execbuf.flags = I915_EXEC_BSD | LOCAL_I915_EXEC_BSD_MASK;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("invalid-bsd1-flag-on-render") {
 		execbuf.flags = I915_EXEC_RENDER | LOCAL_I915_EXEC_BSD_RING1;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("invalid-bsd2-flag-on-render") {
 		execbuf.flags = I915_EXEC_RENDER | LOCAL_I915_EXEC_BSD_RING2;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("invalid-bsd1-flag-on-blt") {
 		execbuf.flags = I915_EXEC_BLT | LOCAL_I915_EXEC_BSD_RING1;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("invalid-bsd2-flag-on-blt") {
 		execbuf.flags = I915_EXEC_BLT | LOCAL_I915_EXEC_BSD_RING2;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("invalid-bsd1-flag-on-vebox") {
 		igt_require(gem_has_vebox(fd));
 		execbuf.flags = LOCAL_I915_EXEC_VEBOX | LOCAL_I915_EXEC_BSD_RING1;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("invalid-bsd2-flag-on-vebox") {
 		igt_require(gem_has_vebox(fd));
 		execbuf.flags = LOCAL_I915_EXEC_VEBOX | LOCAL_I915_EXEC_BSD_RING2;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("rel-constants-invalid-ring") {
 		igt_require(gem_has_bsd(fd));
 		execbuf.flags = I915_EXEC_BSD | I915_EXEC_CONSTANTS_ABSOLUTE;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("rel-constants-invalid-rel-gen5") {
 		igt_require(intel_gen(devid) > 5);
 		execbuf.flags = I915_EXEC_RENDER | I915_EXEC_CONSTANTS_REL_SURFACE;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("rel-constants-invalid") {
 		execbuf.flags = I915_EXEC_RENDER | (I915_EXEC_CONSTANTS_REL_SURFACE+(1<<6));
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("sol-reset-invalid") {
 		igt_require(gem_has_bsd(fd));
 		execbuf.flags = I915_EXEC_BSD | I915_EXEC_GEN7_SOL_RESET;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("sol-reset-not-gen7") {
 		igt_require(intel_gen(devid) != 7);
 		execbuf.flags = I915_EXEC_RENDER | I915_EXEC_GEN7_SOL_RESET;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("secure-non-root") {
 		igt_fork(child, 1) {
 			igt_drop_root();

 			execbuf.flags = I915_EXEC_RENDER | I915_EXEC_SECURE;
 			RUN_FAIL(EPERM);
 		}

 		igt_waitchildren();
 	}

 	igt_subtest("secure-non-master") {
 		igt_require(__igt_device_set_master(fd) == 0); /* Requires root privilege */

 		igt_device_drop_master(fd);
 		execbuf.flags = I915_EXEC_RENDER | I915_EXEC_SECURE;
 		RUN_FAIL(EPERM);

 		igt_device_set_master(fd);
 		igt_assert(drmIoctl(fd,
 				    DRM_IOCTL_I915_GEM_EXECBUFFER2,
 				    &execbuf) == 0);

 		igt_device_drop_master(fd); /* Only needs temporary master */
 	}

 	/* HANDLE_LUT and NO_RELOC are already exercised by gem_exec_lut_handle,
 	 * EXEC_FENCE_IN and EXEC_FENCE_OUT correct usage is tested by
 	 * gem_exec_fence, invalid usage of EXEC_FENCE_IN is tested below. */

 	igt_subtest("invalid-flag") {
 		/* NOTE: This test intentionally exercise the next available
 		 * flag. Don't "fix" this testcase without adding the required
 		 * tests for the new flag first. */
 		execbuf.flags = I915_EXEC_RENDER | (LOCAL_I915_EXEC_FENCE_ARRAY << 1);
 		RUN_FAIL(EINVAL);
 	}

 	/* rsvd1 aka context id is already exercised  by gem_ctx_bad_exec */

 	igt_subtest("cliprects-invalid") {
 		igt_require(intel_gen(devid) >= 5);
 		execbuf.flags = 0;
 		execbuf.num_cliprects = 1;
 		RUN_FAIL(EINVAL);
 		execbuf.num_cliprects = 0;
 	}

 	igt_subtest("rs-invalid-on-bsd-ring") {
 		igt_require(IS_HASWELL(devid) || intel_gen(devid) >= 8);
 		execbuf.flags = I915_EXEC_BSD | LOCAL_I915_EXEC_RESOURCE_STREAMER;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("rs-invalid-on-blt-ring") {
 		igt_require(IS_HASWELL(devid) || intel_gen(devid) >= 8);
 		execbuf.flags = I915_EXEC_BLT | LOCAL_I915_EXEC_RESOURCE_STREAMER;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("rs-invalid-on-vebox-ring") {
 		igt_require(IS_HASWELL(devid) || intel_gen(devid) >= 8);
 		execbuf.flags = I915_EXEC_VEBOX | LOCAL_I915_EXEC_RESOURCE_STREAMER;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("rs-invalid-gen") {
 		igt_require(!IS_HASWELL(devid) && intel_gen(devid) < 8);
 		execbuf.flags = I915_EXEC_RENDER | LOCAL_I915_EXEC_RESOURCE_STREAMER;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("invalid-fence-in") {
 		igt_require(gem_has_exec_fence(fd));
 		execbuf.flags = LOCAL_I915_EXEC_FENCE_IN;
 		execbuf.rsvd2 = -1;
 		RUN_FAIL(EINVAL);
 		execbuf.rsvd2 = fd;
 		RUN_FAIL(EINVAL);
 	}

 	igt_subtest("rsvd2-dirt") {
 		igt_require(!gem_has_exec_fence(fd));
 		execbuf.flags = 0;
 		execbuf.rsvd2 = 1;
 		RUN_FAIL(EINVAL);
 		execbuf.rsvd2 = 0;
 	}

 	igt_subtest("batch-first")
 		test_batch_first(fd);

 #define DIRT(name) \
 	igt_subtest(#name "-dirt") { \
 		execbuf.flags = 0; \
 		execbuf.name = 1; \
 		RUN_FAIL(EINVAL); \
 		execbuf.name = 0; \
 	}

 	DIRT(cliprects_ptr);
 	DIRT(DR1);
 	DIRT(DR4);
 #undef DIRT

 #undef RUN_FAIL

 	igt_fixture {
 		gem_close(fd, handle);

 		close(fd);
 	}
 }
	/*
	* Copyright (c) 2014 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:
	* Daniel Vetter
	*
	*/

	#include "igt.h"
	#include "igt_device.h"

	#include <unistd.h>
	#include <stdlib.h>
	#include <stdint.h>
	#include <stdio.h>
	#include <string.h>
	#include <fcntl.h>
	#include <inttypes.h>
	#include <errno.h>
	#include <sys/stat.h>
	#include <sys/ioctl.h>
	#include <sys/time.h>
	#include "drm.h"


	#define LOCAL_I915_EXEC_VEBOX (4<<0)
	#define LOCAL_I915_EXEC_BSD_MASK (3<<13)
	#define LOCAL_I915_EXEC_BSD_RING1 (1<<13)
	#define LOCAL_I915_EXEC_BSD_RING2 (2<<13)
	#define LOCAL_I915_EXEC_RESOURCE_STREAMER (1<<15)
	#define LOCAL_I915_EXEC_FENCE_IN (1 << 16)
	#define LOCAL_I915_EXEC_FENCE_OUT (1 << 17)
	#define LOCAL_I915_EXEC_BATCH_FIRST (1 << 18)
	#define LOCAL_I915_EXEC_FENCE_ARRAY (1 << 19)

	static bool has_ring(int fd, unsigned ring_exec_flags)
	{
	switch (ring_exec_flags & I915_EXEC_RING_MASK) {
	case 0:
	case I915_EXEC_RENDER:
	return true;

	case I915_EXEC_BSD:
	if (ring_exec_flags & LOCAL_I915_EXEC_BSD_MASK)
	return gem_has_bsd2(fd);
	else
	return gem_has_bsd(fd);

	case I915_EXEC_BLT:
	return gem_has_blt(fd);

	case I915_EXEC_VEBOX:
	return gem_has_vebox(fd);
	}

	igt_assert_f(0, "invalid exec flag 0x%x\n", ring_exec_flags);
	return false;
	}

	static bool has_exec_batch_first(int fd)
	{
	int val = -1;
	struct drm_i915_getparam gp = {
	.param = 48,
	.value = &val,
	};
	ioctl(fd, DRM_IOCTL_I915_GETPARAM, &gp);
	return val > 0;
	}

	static void test_batch_first(int fd)
	{
	const int gen = intel_gen(intel_get_drm_devid(fd));
	struct drm_i915_gem_execbuffer2 execbuf;
	struct drm_i915_gem_exec_object2 obj[3];
	struct drm_i915_gem_relocation_entry reloc[2];
	uint32_t *map, value;
	int i;

	igt_require(gem_can_store_dword(fd, 0));
	igt_require(has_exec_batch_first(fd));

	memset(obj, 0, sizeof(obj));
	memset(reloc, 0, sizeof(reloc));

	obj[0].handle = gem_create(fd, 4096);
	obj[1].handle = gem_create(fd, 4096);
	obj[2].handle = gem_create(fd, 4096);

	reloc[0].target_handle = obj[1].handle;
	reloc[0].offset = sizeof(uint32_t);
	reloc[0].read_domains = I915_GEM_DOMAIN_INSTRUCTION;
	reloc[0].write_domain = I915_GEM_DOMAIN_INSTRUCTION;
	obj[0].relocs_ptr = to_user_pointer(&reloc[0]);
	obj[0].relocation_count = 1;

	i = 0;
	map = gem_mmap__cpu(fd, obj[0].handle, 0, 4096, PROT_WRITE);
	gem_set_domain(fd, obj[0].handle,
	I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
	map[i] = MI_STORE_DWORD_IMM \| (gen < 6 ? 1 << 22 : 0);
	if (gen >= 8) {
	map[++i] = 0;
	map[++i] = 0;
	} else if (gen >= 4) {
	map[++i] = 0;
	map[++i] = 0;
	reloc[0].offset += sizeof(uint32_t);
	} else {
	map[i]--;
	map[++i] = 0;
	}
	map[++i] = 1;
	map[++i] = MI_BATCH_BUFFER_END;
	munmap(map, 4096);

	reloc[1].target_handle = obj[1].handle;
	reloc[1].offset = sizeof(uint32_t);
	reloc[1].read_domains = I915_GEM_DOMAIN_INSTRUCTION;
	reloc[1].write_domain = I915_GEM_DOMAIN_INSTRUCTION;
	obj[2].relocs_ptr = to_user_pointer(&reloc[1]);
	obj[2].relocation_count = 1;

	i = 0;
	map = gem_mmap__cpu(fd, obj[2].handle, 0, 4096, PROT_WRITE);
	gem_set_domain(fd, obj[2].handle,
	I915_GEM_DOMAIN_CPU, I915_GEM_DOMAIN_CPU);
	map[i] = MI_STORE_DWORD_IMM \| (gen < 6 ? 1 << 22 : 0);
	if (gen >= 8) {
	map[++i] = 0;
	map[++i] = 0;
	} else if (gen >= 4) {
	map[++i] = 0;
	map[++i] = 0;
	reloc[1].offset += sizeof(uint32_t);
	} else {
	map[i]--;
	map[++i] = 0;
	}
	map[++i] = 2;
	map[++i] = MI_BATCH_BUFFER_END;
	munmap(map, 4096);

	memset(&execbuf, 0, sizeof(execbuf));
	execbuf.buffers_ptr = to_user_pointer(obj);
	execbuf.buffer_count = ARRAY_SIZE(obj);
	if (gen > 3 && gen < 6)
	execbuf.flags \|= I915_EXEC_SECURE;

	/* Normal mode */
	gem_execbuf(fd, &execbuf);
	gem_read(fd, obj[1].handle, 0, &value, sizeof(value));
	igt_assert_eq_u32(value, 2);

	/* Batch first mode */
	execbuf.flags \|= LOCAL_I915_EXEC_BATCH_FIRST;
	gem_execbuf(fd, &execbuf);
	gem_read(fd, obj[1].handle, 0, &value, sizeof(value));
	igt_assert_eq_u32(value, 1);

	gem_close(fd, obj[2].handle);
	gem_close(fd, obj[1].handle);
	gem_close(fd, obj[0].handle);
	}

	struct drm_i915_gem_execbuffer2 execbuf;
	struct drm_i915_gem_exec_object2 gem_exec[1];
	uint32_t batch[2] = {MI_BATCH_BUFFER_END};
	uint32_t handle, devid;
	int fd;

	igt_main
	{
	const struct intel_execution_engine *e;

	igt_fixture {
	fd = drm_open_driver(DRIVER_INTEL);
	igt_require_gem(fd);

	devid = intel_get_drm_devid(fd);

	handle = gem_create(fd, 4096);
	gem_write(fd, handle, 0, batch, sizeof(batch));

	gem_exec[0].handle = handle;
	gem_exec[0].relocation_count = 0;
	gem_exec[0].relocs_ptr = 0;
	gem_exec[0].alignment = 0;
	gem_exec[0].offset = 0;
	gem_exec[0].flags = 0;
	gem_exec[0].rsvd1 = 0;
	gem_exec[0].rsvd2 = 0;

	execbuf.buffers_ptr = to_user_pointer(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 = 0;
	i915_execbuffer2_set_context_id(execbuf, 0);
	execbuf.rsvd2 = 0;
	}

	igt_subtest("control") {
	for (e = intel_execution_engines; e->name; e++) {
	if (has_ring(fd, e->exec_id \| e->flags)) {
	execbuf.flags = e->exec_id \| e->flags;
	gem_execbuf(fd, &execbuf);
	}
	}
	}

	#define RUN_FAIL(expected_errno) do { \
	igt_assert(drmIoctl(fd, \
	DRM_IOCTL_I915_GEM_EXECBUFFER2, \
	&execbuf) == -1); \
	igt_assert_eq(errno, expected_errno); \
	} while(0)

	igt_subtest("no-bsd") {
	igt_require(!gem_has_bsd(fd));
	execbuf.flags = I915_EXEC_BSD;
	RUN_FAIL(EINVAL);
	}
	igt_subtest("no-blt") {
	igt_require(!gem_has_blt(fd));
	execbuf.flags = I915_EXEC_BLT;
	RUN_FAIL(EINVAL);
	}
	igt_subtest("no-vebox") {
	igt_require(!gem_has_vebox(fd));
	execbuf.flags = LOCAL_I915_EXEC_VEBOX;
	RUN_FAIL(EINVAL);
	}
	igt_subtest("invalid-ring") {
	execbuf.flags = I915_EXEC_RING_MASK;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("invalid-ring2") {
	execbuf.flags = LOCAL_I915_EXEC_VEBOX+1;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("invalid-bsd-ring") {
	igt_require(gem_has_bsd2(fd));
	execbuf.flags = I915_EXEC_BSD \| LOCAL_I915_EXEC_BSD_MASK;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("invalid-bsd1-flag-on-render") {
	execbuf.flags = I915_EXEC_RENDER \| LOCAL_I915_EXEC_BSD_RING1;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("invalid-bsd2-flag-on-render") {
	execbuf.flags = I915_EXEC_RENDER \| LOCAL_I915_EXEC_BSD_RING2;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("invalid-bsd1-flag-on-blt") {
	execbuf.flags = I915_EXEC_BLT \| LOCAL_I915_EXEC_BSD_RING1;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("invalid-bsd2-flag-on-blt") {
	execbuf.flags = I915_EXEC_BLT \| LOCAL_I915_EXEC_BSD_RING2;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("invalid-bsd1-flag-on-vebox") {
	igt_require(gem_has_vebox(fd));
	execbuf.flags = LOCAL_I915_EXEC_VEBOX \| LOCAL_I915_EXEC_BSD_RING1;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("invalid-bsd2-flag-on-vebox") {
	igt_require(gem_has_vebox(fd));
	execbuf.flags = LOCAL_I915_EXEC_VEBOX \| LOCAL_I915_EXEC_BSD_RING2;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("rel-constants-invalid-ring") {
	igt_require(gem_has_bsd(fd));
	execbuf.flags = I915_EXEC_BSD \| I915_EXEC_CONSTANTS_ABSOLUTE;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("rel-constants-invalid-rel-gen5") {
	igt_require(intel_gen(devid) > 5);
	execbuf.flags = I915_EXEC_RENDER \| I915_EXEC_CONSTANTS_REL_SURFACE;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("rel-constants-invalid") {
	execbuf.flags = I915_EXEC_RENDER \| (I915_EXEC_CONSTANTS_REL_SURFACE+(1<<6));
	RUN_FAIL(EINVAL);
	}

	igt_subtest("sol-reset-invalid") {
	igt_require(gem_has_bsd(fd));
	execbuf.flags = I915_EXEC_BSD \| I915_EXEC_GEN7_SOL_RESET;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("sol-reset-not-gen7") {
	igt_require(intel_gen(devid) != 7);
	execbuf.flags = I915_EXEC_RENDER \| I915_EXEC_GEN7_SOL_RESET;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("secure-non-root") {
	igt_fork(child, 1) {
	igt_drop_root();

	execbuf.flags = I915_EXEC_RENDER \| I915_EXEC_SECURE;
	RUN_FAIL(EPERM);
	}

	igt_waitchildren();
	}

	igt_subtest("secure-non-master") {
	igt_require(__igt_device_set_master(fd) == 0); /* Requires root privilege */

	igt_device_drop_master(fd);
	execbuf.flags = I915_EXEC_RENDER \| I915_EXEC_SECURE;
	RUN_FAIL(EPERM);

	igt_device_set_master(fd);
	igt_assert(drmIoctl(fd,
	DRM_IOCTL_I915_GEM_EXECBUFFER2,
	&execbuf) == 0);

	igt_device_drop_master(fd); /* Only needs temporary master */
	}

	/* HANDLE_LUT and NO_RELOC are already exercised by gem_exec_lut_handle,
	* EXEC_FENCE_IN and EXEC_FENCE_OUT correct usage is tested by
	* gem_exec_fence, invalid usage of EXEC_FENCE_IN is tested below. */

	igt_subtest("invalid-flag") {
	/* NOTE: This test intentionally exercise the next available
	* flag. Don't "fix" this testcase without adding the required
	* tests for the new flag first. */
	execbuf.flags = I915_EXEC_RENDER \| (LOCAL_I915_EXEC_FENCE_ARRAY << 1);
	RUN_FAIL(EINVAL);
	}

	/* rsvd1 aka context id is already exercised by gem_ctx_bad_exec */

	igt_subtest("cliprects-invalid") {
	igt_require(intel_gen(devid) >= 5);
	execbuf.flags = 0;
	execbuf.num_cliprects = 1;
	RUN_FAIL(EINVAL);
	execbuf.num_cliprects = 0;
	}

	igt_subtest("rs-invalid-on-bsd-ring") {
	igt_require(IS_HASWELL(devid) \|\| intel_gen(devid) >= 8);
	execbuf.flags = I915_EXEC_BSD \| LOCAL_I915_EXEC_RESOURCE_STREAMER;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("rs-invalid-on-blt-ring") {
	igt_require(IS_HASWELL(devid) \|\| intel_gen(devid) >= 8);
	execbuf.flags = I915_EXEC_BLT \| LOCAL_I915_EXEC_RESOURCE_STREAMER;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("rs-invalid-on-vebox-ring") {
	igt_require(IS_HASWELL(devid) \|\| intel_gen(devid) >= 8);
	execbuf.flags = I915_EXEC_VEBOX \| LOCAL_I915_EXEC_RESOURCE_STREAMER;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("rs-invalid-gen") {
	igt_require(!IS_HASWELL(devid) && intel_gen(devid) < 8);
	execbuf.flags = I915_EXEC_RENDER \| LOCAL_I915_EXEC_RESOURCE_STREAMER;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("invalid-fence-in") {
	igt_require(gem_has_exec_fence(fd));
	execbuf.flags = LOCAL_I915_EXEC_FENCE_IN;
	execbuf.rsvd2 = -1;
	RUN_FAIL(EINVAL);
	execbuf.rsvd2 = fd;
	RUN_FAIL(EINVAL);
	}

	igt_subtest("rsvd2-dirt") {
	igt_require(!gem_has_exec_fence(fd));
	execbuf.flags = 0;
	execbuf.rsvd2 = 1;
	RUN_FAIL(EINVAL);
	execbuf.rsvd2 = 0;
	}

	igt_subtest("batch-first")
	test_batch_first(fd);

	#define DIRT(name) \
	igt_subtest(#name "-dirt") { \
	execbuf.flags = 0; \
	execbuf.name = 1; \
	RUN_FAIL(EINVAL); \
	execbuf.name = 0; \
	}

	DIRT(cliprects_ptr);
	DIRT(DR1);
	DIRT(DR4);
	#undef DIRT

	#undef RUN_FAIL

	igt_fixture {
	gem_close(fd, handle);

	close(fd);
	}
	}