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authorBen Skeggs <bskeggs@redhat.com>2015-01-13 15:13:14 +0300
committerBen Skeggs <bskeggs@redhat.com>2015-01-22 05:15:10 +0300
commitc39f472e9f14e49a9bc091977ced0ec45fc00c57 (patch)
tree75af3291cccda2482913cc0044888a8a86f4841b /drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
parent055a65d5987a7f246c3fc2297158286882dbdbcf (diff)
downloadlinux-c39f472e9f14e49a9bc091977ced0ec45fc00c57.tar.xz
drm/nouveau: remove symlinks, move core/ to nvkm/ (no code changes)
The symlinks were annoying some people, and they're not used anywhere else in the kernel tree. The include directory structure has been changed so that symlinks aren't needed anymore. NVKM has been moved from core/ to nvkm/ to make it more obvious as to what the directory is for, and as some minor prep for when NVKM gets split out into its own module (virt) at a later date. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h')
-rw-r--r--drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
new file mode 100644
index 000000000000..4953e6c6c86b
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/include/nvkm/subdev/instmem.h
@@ -0,0 +1,52 @@
+#ifndef __NOUVEAU_INSTMEM_H__
+#define __NOUVEAU_INSTMEM_H__
+
+#include <core/subdev.h>
+#include <core/device.h>
+#include <core/mm.h>
+
+struct nouveau_instobj {
+ struct nouveau_object base;
+ struct list_head head;
+ u32 *suspend;
+ u64 addr;
+ u32 size;
+};
+
+static inline struct nouveau_instobj *
+nv_memobj(void *obj)
+{
+#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
+ if (unlikely(!nv_iclass(obj, NV_MEMOBJ_CLASS)))
+ nv_assert("BAD CAST -> NvMemObj, %08x", nv_hclass(obj));
+#endif
+ return obj;
+}
+
+struct nouveau_instmem {
+ struct nouveau_subdev base;
+ struct list_head list;
+
+ u32 reserved;
+ int (*alloc)(struct nouveau_instmem *, struct nouveau_object *,
+ u32 size, u32 align, struct nouveau_object **);
+};
+
+static inline struct nouveau_instmem *
+nouveau_instmem(void *obj)
+{
+ /* nv04/nv40 impls need to create objects in their constructor,
+ * which is before the subdev pointer is valid
+ */
+ if (nv_iclass(obj, NV_SUBDEV_CLASS) &&
+ nv_subidx(obj) == NVDEV_SUBDEV_INSTMEM)
+ return obj;
+
+ return (void *)nouveau_subdev(obj, NVDEV_SUBDEV_INSTMEM);
+}
+
+extern struct nouveau_oclass *nv04_instmem_oclass;
+extern struct nouveau_oclass *nv40_instmem_oclass;
+extern struct nouveau_oclass *nv50_instmem_oclass;
+
+#endif