Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/linux/vringh.h b/include/linux/vringh.h
index d237087..59bd50f 100644
--- a/include/linux/vringh.h
+++ b/include/linux/vringh.h
@@ -14,6 +14,10 @@
#include <linux/virtio_byteorder.h>
#include <linux/uio.h>
#include <linux/slab.h>
+#if IS_REACHABLE(CONFIG_VHOST_IOTLB)
+#include <linux/dma-direction.h>
+#include <linux/vhost_iotlb.h>
+#endif
#include <asm/barrier.h>
/* virtio_ring with information needed for host access. */
@@ -39,6 +43,9 @@
/* The vring (note: it may contain user pointers!) */
struct vring vring;
+ /* IOTLB for this vring */
+ struct vhost_iotlb *iotlb;
+
/* The function to call to notify the guest about added buffers */
void (*notify)(struct vringh *);
};
@@ -98,9 +105,9 @@
/* Helpers for userspace vrings. */
int vringh_init_user(struct vringh *vrh, u64 features,
unsigned int num, bool weak_barriers,
- struct vring_desc __user *desc,
- struct vring_avail __user *avail,
- struct vring_used __user *used);
+ vring_desc_t __user *desc,
+ vring_avail_t __user *avail,
+ vring_used_t __user *used);
static inline void vringh_iov_init(struct vringh_iov *iov,
struct iovec *iovec, unsigned num)
@@ -248,4 +255,39 @@
{
return __cpu_to_virtio64(vringh_is_little_endian(vrh), val);
}
+
+#if IS_REACHABLE(CONFIG_VHOST_IOTLB)
+
+void vringh_set_iotlb(struct vringh *vrh, struct vhost_iotlb *iotlb);
+
+int vringh_init_iotlb(struct vringh *vrh, u64 features,
+ unsigned int num, bool weak_barriers,
+ struct vring_desc *desc,
+ struct vring_avail *avail,
+ struct vring_used *used);
+
+int vringh_getdesc_iotlb(struct vringh *vrh,
+ struct vringh_kiov *riov,
+ struct vringh_kiov *wiov,
+ u16 *head,
+ gfp_t gfp);
+
+ssize_t vringh_iov_pull_iotlb(struct vringh *vrh,
+ struct vringh_kiov *riov,
+ void *dst, size_t len);
+ssize_t vringh_iov_push_iotlb(struct vringh *vrh,
+ struct vringh_kiov *wiov,
+ const void *src, size_t len);
+
+void vringh_abandon_iotlb(struct vringh *vrh, unsigned int num);
+
+int vringh_complete_iotlb(struct vringh *vrh, u16 head, u32 len);
+
+bool vringh_notify_enable_iotlb(struct vringh *vrh);
+void vringh_notify_disable_iotlb(struct vringh *vrh);
+
+int vringh_need_notify_iotlb(struct vringh *vrh);
+
+#endif /* CONFIG_VHOST_IOTLB */
+
#endif /* _LINUX_VRINGH_H */