tests/radeon: radeon specific test

Initial test only include ttm test for stressing ttm memory
allocations.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>

5 files changed, 445 insertions, 0 deletions

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