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-rw-r--r--tests/radeon/meson.build27
-rw-r--r--tests/radeon/radeon_ttm.c77
-rw-r--r--tests/radeon/rbo.c171
-rw-r--r--tests/radeon/rbo.h50
4 files changed, 325 insertions, 0 deletions
diff --git a/tests/radeon/meson.build b/tests/radeon/meson.build
new file mode 100644
index 0000000..bb345b7
--- /dev/null
+++ b/tests/radeon/meson.build
@@ -0,0 +1,27 @@
+# Copyright © 2017 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 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.
+
+radeon_ttm = executable(
+ 'radeon_ttm',
+ files('rbo.c', 'radeon_ttm.c'),
+ include_directories : [inc_root, inc_drm],
+ link_with : libdrm,
+ c_args : libdrm_c_args,
+)
diff --git a/tests/radeon/radeon_ttm.c b/tests/radeon/radeon_ttm.c
new file mode 100644
index 0000000..8346e85
--- /dev/null
+++ b/tests/radeon/radeon_ttm.c
@@ -0,0 +1,77 @@
+/*
+ * 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 <unistd.h>
+#include "rbo.h"
+#include "xf86drm.h"
+
+/* allocate as many single page bo to try to starve the kernel
+ * memory zone (below highmem)
+ */
+static 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);
+ }
+}
+
+static 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 0000000..70a288c
--- /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 0000000..9164091
--- /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 "util_double_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
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