diff options
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | tests/Makefile.am | 4 | ||||
| -rw-r--r-- | tests/radeon/Makefile.am | 12 | ||||
| -rw-r--r-- | tests/radeon/list.h | 137 | ||||
| -rw-r--r-- | tests/radeon/radeon_ttm.c | 75 | ||||
| -rw-r--r-- | tests/radeon/rbo.c | 171 | ||||
| -rw-r--r-- | tests/radeon/rbo.h | 50 |
7 files changed, 450 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 95d64a7f..1447785b 100644 --- a/configure.ac +++ b/configure.ac @@ -283,6 +283,7 @@ AC_CONFIG_FILES([ tests/modeprint/Makefile tests/modetest/Makefile tests/kmstest/Makefile + tests/radeon/Makefile tests/vbltest/Makefile include/Makefile include/drm/Makefile diff --git a/tests/Makefile.am b/tests/Makefile.am index bf1987f1..a3a59bd5 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -16,6 +16,10 @@ if HAVE_LIBKMS SUBDIRS += kmstest modetest endif +if HAVE_RADEON +SUBDIRS += radeon +endif + if HAVE_LIBUDEV check_LTLIBRARIES = libdrmtest.la diff --git a/tests/radeon/Makefile.am b/tests/radeon/Makefile.am new file mode 100644 index 00000000..021ca722 --- /dev/null +++ b/tests/radeon/Makefile.am @@ -0,0 +1,12 @@ +AM_CFLAGS = \ + -I $(top_srcdir)/include/drm \ + -I $(top_srcdir) + +LDADD = $(top_builddir)/libdrm.la + +noinst_PROGRAMS = \ + radeon_ttm + +radeon_ttm_SOURCES = \ + rbo.c \ + radeon_ttm.c diff --git a/tests/radeon/list.h b/tests/radeon/list.h new file mode 100644 index 00000000..305c903e --- /dev/null +++ b/tests/radeon/list.h @@ -0,0 +1,137 @@ +/* + * + * Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND. USA. + * All Rights Reserved. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + */ + +/** + * \file + * List macros heavily inspired by the Linux kernel + * list handling. No list looping yet. + * + * Is not threadsafe, so common operations need to + * be protected using an external mutex. + */ +#ifndef _U_DOUBLE_LIST_H_ +#define _U_DOUBLE_LIST_H_ + +#include <stddef.h> + +struct list_head +{ + struct list_head *prev; + struct list_head *next; +}; + +static void list_inithead(struct list_head *item) +{ + item->prev = item; + item->next = item; +} + +static void list_add(struct list_head *item, struct list_head *list) +{ + item->prev = list; + item->next = list->next; + list->next->prev = item; + list->next = item; +} + +static void list_addtail(struct list_head *item, struct list_head *list) +{ + item->next = list; + item->prev = list->prev; + list->prev->next = item; + list->prev = item; +} + +static void list_replace(struct list_head *from, struct list_head *to) +{ + to->prev = from->prev; + to->next = from->next; + from->next->prev = to; + from->prev->next = to; +} + +static void list_del(struct list_head *item) +{ + item->prev->next = item->next; + item->next->prev = item->prev; +} + +static void list_delinit(struct list_head *item) +{ + item->prev->next = item->next; + item->next->prev = item->prev; + item->next = item; + item->prev = item; +} + +#define LIST_INITHEAD(__item) list_inithead(__item) +#define LIST_ADD(__item, __list) list_add(__item, __list) +#define LIST_ADDTAIL(__item, __list) list_addtail(__item, __list) +#define LIST_REPLACE(__from, __to) list_replace(__from, __to) +#define LIST_DEL(__item) list_del(__item) +#define LIST_DELINIT(__item) list_delinit(__item) + +#define LIST_ENTRY(__type, __item, __field) \ + ((__type *)(((char *)(__item)) - offsetof(__type, __field))) + +#define LIST_IS_EMPTY(__list) \ + ((__list)->next == (__list)) + +#ifndef container_of +#define container_of(ptr, sample, member) \ + (void *)((char *)(ptr) \ + - ((char *)&(sample)->member - (char *)(sample))) +#endif + +#define LIST_FOR_EACH_ENTRY(pos, head, member) \ + for (pos = container_of((head)->next, pos, member); \ + &pos->member != (head); \ + pos = container_of(pos->member.next, pos, member)) + +#define LIST_FOR_EACH_ENTRY_SAFE(pos, storage, head, member) \ + for (pos = container_of((head)->next, pos, member), \ + storage = container_of(pos->member.next, pos, member); \ + &pos->member != (head); \ + pos = storage, storage = container_of(storage->member.next, storage, member)) + +#define LIST_FOR_EACH_ENTRY_SAFE_REV(pos, storage, head, member) \ + for (pos = container_of((head)->prev, pos, member), \ + storage = container_of(pos->member.prev, pos, member); \ + &pos->member != (head); \ + pos = storage, storage = container_of(storage->member.prev, storage, member)) + +#define LIST_FOR_EACH_ENTRY_FROM(pos, start, head, member) \ + for (pos = container_of((start), pos, member); \ + &pos->member != (head); \ + pos = container_of(pos->member.next, pos, member)) + +#define LIST_FOR_EACH_ENTRY_FROM_REV(pos, start, head, member) \ + for (pos = container_of((start), pos, member); \ + &pos->member != (head); \ + pos = container_of(pos->member.prev, pos, member)) + +#endif /*_U_DOUBLE_LIST_H_*/ diff --git a/tests/radeon/radeon_ttm.c b/tests/radeon/radeon_ttm.c new file mode 100644 index 00000000..246fd993 --- /dev/null +++ b/tests/radeon/radeon_ttm.c @@ -0,0 +1,75 @@ +/* + * Copyright © 2011 Red Hat + * + * 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: + * Jerome Glisse <j.glisse@gmail.com> + */ +#include <stdio.h> +#include <stdlib.h> +#include "rbo.h" + +/* allocate as many single page bo to try to starve the kernel + * memory zone (below highmem) + */ +void ttm_starve_kernel_private_memory(int fd) +{ + struct list_head list; + struct rbo *bo, *tmp; + unsigned nbo = 0; + + printf("\n[%s]\n", __func__); + list_inithead(&list); + while (1) { + bo = rbo(fd, 0, 4096, 0, NULL); + if (bo == NULL) { + printf("failing after %d bo\n", nbo); + break; + } + nbo++; + list_add(&bo->list, &list); + } + LIST_FOR_EACH_ENTRY_SAFE(bo, tmp, &list, list) { + list_del(&bo->list); + rbo_decref(bo); + } +} + +int radeon_open_fd(void) +{ + return drmOpen("radeon", NULL); +} + +int main(void) +{ + int radeonfd; + + radeonfd = radeon_open_fd(); + if (radeonfd < 0) { + fprintf(stderr, "failed to open radeon fd\n"); + return -1; + } + + ttm_starve_kernel_private_memory(radeonfd); + + close(radeonfd); + return 0; +} diff --git a/tests/radeon/rbo.c b/tests/radeon/rbo.c new file mode 100644 index 00000000..70a288c3 --- /dev/null +++ b/tests/radeon/rbo.c @@ -0,0 +1,171 @@ +/* + * Copyright © 2011 Red Hat + * + * 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: + * Jerome Glisse <j.glisse@gmail.com> + */ +#define _FILE_OFFSET_BITS 64 +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mman.h> +#include <errno.h> +#include "xf86drm.h" +#include "radeon_drm.h" +#include "rbo.h" + +struct rbo *rbo(int fd, unsigned handle, unsigned size, + unsigned alignment, void *ptr) +{ + struct rbo *bo; + int r; + + bo = calloc(1, sizeof(*bo)); + if (bo == NULL) { + return NULL; + } + list_inithead(&bo->list); + bo->fd = fd; + bo->size = size; + bo->handle = handle; + bo->refcount = 1; + bo->alignment = alignment; + + if (handle) { + struct drm_gem_open open_arg; + + memset(&open_arg, 0, sizeof(open_arg)); + open_arg.name = handle; + r = drmIoctl(fd, DRM_IOCTL_GEM_OPEN, &open_arg); + if (r != 0) { + free(bo); + return NULL; + } + bo->handle = open_arg.handle; + } else { + struct drm_radeon_gem_create args; + + args.size = size; + args.alignment = alignment; + args.initial_domain = RADEON_GEM_DOMAIN_CPU; + args.flags = 0; + args.handle = 0; + r = drmCommandWriteRead(fd, DRM_RADEON_GEM_CREATE, + &args, sizeof(args)); + bo->handle = args.handle; + if (r) { + fprintf(stderr, "Failed to allocate :\n"); + fprintf(stderr, " size : %d bytes\n", size); + fprintf(stderr, " alignment : %d bytes\n", alignment); + free(bo); + return NULL; + } + } + if (ptr) { + if (rbo_map(bo)) { + fprintf(stderr, "%s failed to copy data into bo\n", __func__); + return rbo_decref(bo); + } + memcpy(bo->data, ptr, size); + rbo_unmap(bo); + } + return bo; +} + +int rbo_map(struct rbo *bo) +{ + struct drm_radeon_gem_mmap args; + void *ptr; + int r; + + if (bo->mapcount++ != 0) { + return 0; + } + /* Zero out args to make valgrind happy */ + memset(&args, 0, sizeof(args)); + args.handle = bo->handle; + args.offset = 0; + args.size = (uint64_t)bo->size; + r = drmCommandWriteRead(bo->fd, DRM_RADEON_GEM_MMAP, + &args, sizeof(args)); + if (r) { + fprintf(stderr, "error mapping %p 0x%08X (error = %d)\n", + bo, bo->handle, r); + return r; + } + ptr = mmap(0, args.size, PROT_READ|PROT_WRITE, MAP_SHARED, bo->fd, args.addr_ptr); + if (ptr == MAP_FAILED) { + fprintf(stderr, "%s failed to map bo\n", __func__); + return -errno; + } + bo->data = ptr; + return 0; +} + +void rbo_unmap(struct rbo *bo) +{ + if (--bo->mapcount > 0) { + return; + } + munmap(bo->data, bo->size); + bo->data = NULL; +} + +struct rbo *rbo_incref(struct rbo *bo) +{ + bo->refcount++; + return bo; +} + +struct rbo *rbo_decref(struct rbo *bo) +{ + struct drm_gem_close args; + + if (bo == NULL) + return NULL; + if (--bo->refcount > 0) { + return NULL; + } + + munmap(bo->data, bo->size); + memset(&args, 0, sizeof(args)); + args.handle = bo->handle; + drmIoctl(bo->fd, DRM_IOCTL_GEM_CLOSE, &args); + memset(bo, 0, sizeof(struct rbo)); + free(bo); + return NULL; +} + +int rbo_wait(struct rbo *bo) +{ + struct drm_radeon_gem_wait_idle args; + int ret; + + /* Zero out args to make valgrind happy */ + memset(&args, 0, sizeof(args)); + args.handle = bo->handle; + do { + ret = drmCommandWriteRead(bo->fd, DRM_RADEON_GEM_WAIT_IDLE, + &args, sizeof(args)); + } while (ret == -EBUSY); + return ret; +} diff --git a/tests/radeon/rbo.h b/tests/radeon/rbo.h new file mode 100644 index 00000000..c25c73a4 --- /dev/null +++ b/tests/radeon/rbo.h @@ -0,0 +1,50 @@ +/* + * Copyright © 2011 Red Hat + * + * 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: + * Jerome Glisse <j.glisse@gmail.com> + */ +#ifndef RBO_H +#define RBO_H + +#include "list.h" + +struct rbo { + struct list_head list; + int fd; + unsigned refcount; + unsigned mapcount; + unsigned handle; + unsigned size; + unsigned alignment; + void *data; +}; + +struct rbo *rbo(int fd, unsigned handle, unsigned size, + unsigned alignment, void *ptr); +int rbo_map(struct rbo *bo); +void rbo_unmap(struct rbo *bo); +struct rbo *rbo_incref(struct rbo *bo); +struct rbo *rbo_decref(struct rbo *bo); +int rbo_wait(struct rbo *bo); + +#endif |