dmabuf dtype drm patch
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	val_packett.cool
	Oct 2 2020, 10:58 AM

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dmabuf dtype drm patch
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	diff --git i/drivers/dma-buf/dma-buf.c w/drivers/dma-buf/dma-buf.c
	index 9460e1024..7176f45f6 100644
	--- i/drivers/dma-buf/dma-buf.c
	+++ w/drivers/dma-buf/dma-buf.c
	@@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
	#include <sys/file.h>
	#include <sys/filio.h>
	#include <sys/unistd.h>
	+#include <sys/user.h>
	#include <sys/capsicum.h>

	#include <vm/vm.h>
	@@ -58,6 +59,14 @@ __FBSDID("$FreeBSD$");
	#undef file
	#undef fget

	+#ifndef DTYPE_DMABUF
	+#define DTYPE_DMABUF 15
	+#endif
	+
	+#ifndef KF_TYPE_DMABUF
	+#define KF_TYPE_DMABUF 13
	+#endif
	+
	struct db_list {
	struct list_head head;
	struct sx lock;
	@@ -85,9 +94,6 @@ struct fileops dma_buf_fileops = {
	.fo_flags = DFLAG_PASSABLE\|DFLAG_SEEKABLE,
	};

	-/* XXX */
	-#define DTYPE_DMABUF 100
	-
	#define fp_is_db(fp) ((fp)->f_ops == &dma_buf_fileops)

	static int
	@@ -131,8 +137,18 @@ static int
	dma_buf_fill_kinfo(struct file fp, struct kinfo_file kif,
	struct filedesc *fdp __unused)
	{
	+ struct dma_buf *db;
	+
	+ if (!fp_is_db(fp))
	+ return (EINVAL);
	+
	+ db = fp->f_data;
	+
	+ kif->kf_type = KF_TYPE_DMABUF;
	+ kif->kf_un.kf_dmabuf.kf_dmabuf_size = db->size;
	+ strlcpy(kif->kf_un.kf_dmabuf.kf_dmabuf_exp_name, db->exp_name,
	+ sizeof(kif->kf_un.kf_dmabuf.kf_dmabuf_exp_name));

	- /* XXX pass this on to stat */
	return (0);
	}