From 741bf7064c467df725c14cc0b3b8b50436f9ee09 Mon Sep 17 00:00:00 2001 From: Arkadiusz Hiler Date: Thu, 18 Oct 2018 14:06:42 +0300 Subject: tests: Introduce i915 directory We can already move all the tests with distinct prefixes: gem_, gen3_ and i915_. pm_ and drv_ tests will follow in batches, so we can do the adjustments in the reporting/filtering layer of the CI system. v2: Fix test-list.txt generation with meson v3: Fix docs build (Petri) Cc: Chris Wilson Cc: Petri Latvala Cc: Martin Peres Signed-off-by: Arkadiusz Hiler Reviewed-by: Petri Latvala Tested-by: Petri Latvala Acked-by: Daniel Vetter Acked-by: Chris Wilson --- tests/i915/gem_gtt_cpu_tlb.c | 106 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 106 insertions(+) create mode 100644 tests/i915/gem_gtt_cpu_tlb.c (limited to 'tests/i915/gem_gtt_cpu_tlb.c') diff --git a/tests/i915/gem_gtt_cpu_tlb.c b/tests/i915/gem_gtt_cpu_tlb.c new file mode 100644 index 00000000..8ceef44c --- /dev/null +++ b/tests/i915/gem_gtt_cpu_tlb.c @@ -0,0 +1,106 @@ +/* + * Copyright © 2009 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 + * + */ + +/** @file gem_gtt_cpu_tlb.c + * + * This test checks whether gtt tlbs for cpu access are correctly invalidated. + */ + +#include "igt.h" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "drm.h" + +IGT_TEST_DESCRIPTION("Check whether gtt tlbs for cpu access are correctly" + " invalidated."); + +#define OBJ_SIZE (1024*1024) + +#define PAGE_SIZE 4096 + +static uint32_t +create_bo(int fd) +{ + uint32_t handle; + uint32_t *data; + int i; + + handle = gem_create(fd, OBJ_SIZE); + + /* Fill the BO with dwords starting at start_val */ + data = gem_mmap__gtt(fd, handle, OBJ_SIZE, PROT_READ | PROT_WRITE); + for (i = 0; i < OBJ_SIZE/4; i++) + data[i] = i; + munmap(data, OBJ_SIZE); + + return handle; +} + +igt_simple_main +{ + int fd; + int i; + uint32_t handle; + + uint32_t *ptr; + + igt_skip_on_simulation(); + + fd = drm_open_driver(DRIVER_INTEL); + + handle = gem_create(fd, OBJ_SIZE); + + /* touch one page */ + ptr = gem_mmap__gtt(fd, handle, OBJ_SIZE, PROT_READ | PROT_WRITE); + *ptr = 0xdeadbeef; + munmap(ptr, OBJ_SIZE); + + gem_close(fd, handle); + + /* stirr up the page allocator a bit. */ + ptr = malloc(OBJ_SIZE); + igt_assert(ptr); + memset(ptr, 0x1, OBJ_SIZE); + + handle = create_bo(fd); + + /* Read a bunch of random subsets of the data and check that they come + * out right. + */ + gem_read(fd, handle, 0, ptr, OBJ_SIZE); + for (i = 0; i < OBJ_SIZE/4; i++) + igt_assert(ptr[i] == i); + + close(fd); +} -- cgit v1.2.3