Adding upstream version 2.4.120.upstream/2.4.120

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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