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authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
committerMaarten Lankhorst <maarten.lankhorst@linux.intel.com>2024-05-28 22:21:34 +0200
commitf73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch)
treeb7959c01cf7a5d95c7c4d5b61929ff9123370322 /io_uring/memmap.h
parentdma-buf: handle testing kthreads creation failure (diff)
parentMerge tag 'drm-misc-fixes-2024-05-23' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes (diff)
downloadwireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz
wireguard-linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.zip
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9 Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'io_uring/memmap.h')
-rw-r--r--io_uring/memmap.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/io_uring/memmap.h b/io_uring/memmap.h
new file mode 100644
index 000000000000..5cec5b7ac49a
--- /dev/null
+++ b/io_uring/memmap.h
@@ -0,0 +1,25 @@
+#ifndef IO_URING_MEMMAP_H
+#define IO_URING_MEMMAP_H
+
+struct page **io_pin_pages(unsigned long ubuf, unsigned long len, int *npages);
+void io_pages_free(struct page ***pages, int npages);
+int io_uring_mmap_pages(struct io_ring_ctx *ctx, struct vm_area_struct *vma,
+ struct page **pages, int npages);
+
+void *io_pages_map(struct page ***out_pages, unsigned short *npages,
+ size_t size);
+void io_pages_unmap(void *ptr, struct page ***pages, unsigned short *npages,
+ bool put_pages);
+
+void *__io_uaddr_map(struct page ***pages, unsigned short *npages,
+ unsigned long uaddr, size_t size);
+
+#ifndef CONFIG_MMU
+unsigned int io_uring_nommu_mmap_capabilities(struct file *file);
+#endif
+unsigned long io_uring_get_unmapped_area(struct file *file, unsigned long addr,
+ unsigned long len, unsigned long pgoff,
+ unsigned long flags);
+int io_uring_mmap(struct file *file, struct vm_area_struct *vma);
+
+#endif