Bump linux header to 5.0

4 files changed, 121 insertions, 1 deletions

diff --git a/linux-headers/include/xen/..install.cmd b/linux-headers/include/xen/..install.cmd
index f5a5f39..05f4ae7 100644
--- a/linux-headers/include/xen/..install.cmd
+++ b/linux-headers/include/xen/..install.cmd
@@ -1 +1 @@
-cmd_/scratch/palmer/work/20170821-glibc/riscv-gnu-toolchain/linux-headers/include/xen/.install := /bin/sh scripts/headers_install.sh /scratch/palmer/work/20170821-glibc/riscv-gnu-toolchain/linux-headers/include/xen ./include/uapi/xen privcmd.h gntalloc.h gntdev.h evtchn.h; /bin/sh scripts/headers_install.sh /scratch/palmer/work/20170821-glibc/riscv-gnu-toolchain/linux-headers/include/xen ./include/generated/uapi/xen ; touch /scratch/palmer/work/20170821-glibc/riscv-gnu-toolchain/linux-headers/include/xen/.install
+cmd_/home/users/kito/riscv-gnu-toolchain-workspace/riscv-gnu-toolchain/linux/install_hdr/include/xen/.install := /bin/sh scripts/headers_install.sh /home/users/kito/riscv-gnu-toolchain-workspace/riscv-gnu-toolchain/linux/install_hdr/include/xen ./include/uapi/xen privcmd.h gntalloc.h gntdev.h evtchn.h; /bin/sh scripts/headers_install.sh /home/users/kito/riscv-gnu-toolchain-workspace/riscv-gnu-toolchain/linux/install_hdr/include/xen ./include/generated/uapi/xen ; touch /home/users/kito/riscv-gnu-toolchain-workspace/riscv-gnu-toolchain/linux/install_hdr/include/xen/.install
diff --git a/linux-headers/include/xen/evtchn.h b/linux-headers/include/xen/evtchn.h
index cb4aa4b..7fbf732 100644
--- a/linux-headers/include/xen/evtchn.h
+++ b/linux-headers/include/xen/evtchn.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR MIT) */
 /******************************************************************************
  * evtchn.h
  *
diff --git a/linux-headers/include/xen/gntdev.h b/linux-headers/include/xen/gntdev.h
index 361c9e0..2b79b49 100644
--- a/linux-headers/include/xen/gntdev.h
+++ b/linux-headers/include/xen/gntdev.h
@@ -1,9 +1,11 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR MIT) */
 /******************************************************************************
  * gntdev.h
  * 
  * Interface to /dev/xen/gntdev.
  * 
  * Copyright (c) 2007, D G Murray
+ * Copyright (c) 2018, Oleksandr Andrushchenko, EPAM Systems Inc.
  * 
  * This program is free software; you can redistribute it and/or
  * modify it under the terms of the GNU General Public License version 2
@@ -199,4 +201,109 @@ struct ioctl_gntdev_grant_copy {
 /* Send an interrupt on the indicated event channel */
 #define UNMAP_NOTIFY_SEND_EVENT 0x2
 
+/*
+ * Flags to be used while requesting memory mapping's backing storage
+ * to be allocated with DMA API.
+ */
+
+/*
+ * The buffer is backed with memory allocated with dma_alloc_wc.
+ */
+#define GNTDEV_DMA_FLAG_WC		(1 << 0)
+
+/*
+ * The buffer is backed with memory allocated with dma_alloc_coherent.
+ */
+#define GNTDEV_DMA_FLAG_COHERENT	(1 << 1)
+
+/*
+ * Create a dma-buf [1] from grant references @refs of count @count provided
+ * by the foreign domain @domid with flags @flags.
+ *
+ * By default dma-buf is backed by system memory pages, but by providing
+ * one of the GNTDEV_DMA_FLAG_XXX flags it can also be created as
+ * a DMA write-combine or coherent buffer, e.g. allocated with dma_alloc_wc/
+ * dma_alloc_coherent.
+ *
+ * Returns 0 if dma-buf was successfully created and the corresponding
+ * dma-buf's file descriptor is returned in @fd.
+ *
+ * [1] Documentation/driver-api/dma-buf.rst
+ */
+
+#define IOCTL_GNTDEV_DMABUF_EXP_FROM_REFS \
+	_IOC(_IOC_NONE, 'G', 9, \
+	     sizeof(struct ioctl_gntdev_dmabuf_exp_from_refs))
+struct ioctl_gntdev_dmabuf_exp_from_refs {
+	/* IN parameters. */
+	/* Specific options for this dma-buf: see GNTDEV_DMA_FLAG_XXX. */
+	__u32 flags;
+	/* Number of grant references in @refs array. */
+	__u32 count;
+	/* OUT parameters. */
+	/* File descriptor of the dma-buf. */
+	__u32 fd;
+	/* The domain ID of the grant references to be mapped. */
+	__u32 domid;
+	/* Variable IN parameter. */
+	/* Array of grant references of size @count. */
+	__u32 refs[1];
+};
+
+/*
+ * This will block until the dma-buf with the file descriptor @fd is
+ * released. This is only valid for buffers created with
+ * IOCTL_GNTDEV_DMABUF_EXP_FROM_REFS.
+ *
+ * If within @wait_to_ms milliseconds the buffer is not released
+ * then -ETIMEDOUT error is returned.
+ * If the buffer with the file descriptor @fd does not exist or has already
+ * been released, then -ENOENT is returned. For valid file descriptors
+ * this must not be treated as error.
+ */
+#define IOCTL_GNTDEV_DMABUF_EXP_WAIT_RELEASED \
+	_IOC(_IOC_NONE, 'G', 10, \
+	     sizeof(struct ioctl_gntdev_dmabuf_exp_wait_released))
+struct ioctl_gntdev_dmabuf_exp_wait_released {
+	/* IN parameters */
+	__u32 fd;
+	__u32 wait_to_ms;
+};
+
+/*
+ * Import a dma-buf with file descriptor @fd and export granted references
+ * to the pages of that dma-buf into array @refs of size @count.
+ */
+#define IOCTL_GNTDEV_DMABUF_IMP_TO_REFS \
+	_IOC(_IOC_NONE, 'G', 11, \
+	     sizeof(struct ioctl_gntdev_dmabuf_imp_to_refs))
+struct ioctl_gntdev_dmabuf_imp_to_refs {
+	/* IN parameters. */
+	/* File descriptor of the dma-buf. */
+	__u32 fd;
+	/* Number of grant references in @refs array. */
+	__u32 count;
+	/* The domain ID for which references to be granted. */
+	__u32 domid;
+	/* Reserved - must be zero. */
+	__u32 reserved;
+	/* OUT parameters. */
+	/* Array of grant references of size @count. */
+	__u32 refs[1];
+};
+
+/*
+ * This will close all references to the imported buffer with file descriptor
+ * @fd, so it can be released by the owner. This is only valid for buffers
+ * created with IOCTL_GNTDEV_DMABUF_IMP_TO_REFS.
+ */
+#define IOCTL_GNTDEV_DMABUF_IMP_RELEASE \
+	_IOC(_IOC_NONE, 'G', 12, \
+	     sizeof(struct ioctl_gntdev_dmabuf_imp_release))
+struct ioctl_gntdev_dmabuf_imp_release {
+	/* IN parameters */
+	__u32 fd;
+	__u32 reserved;
+};
+
 #endif /* __LINUX_PUBLIC_GNTDEV_H__ */
diff --git a/linux-headers/include/xen/privcmd.h b/linux-headers/include/xen/privcmd.h
index 97214ac..b1024f1 100644
--- a/linux-headers/include/xen/privcmd.h
+++ b/linux-headers/include/xen/privcmd.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR MIT) */
 /******************************************************************************
  * privcmd.h
  *
@@ -88,6 +89,15 @@ struct privcmd_dm_op {
 	const struct privcmd_dm_op_buf *ubufs;
 };
 
+struct privcmd_mmap_resource {
+	domid_t dom;
+	__u32 type;
+	__u32 id;
+	__u32 idx;
+	__u64 num;
+	__u64 addr;
+};
+
 /*
  * @cmd: IOCTL_PRIVCMD_HYPERCALL
  * @arg: &privcmd_hypercall_t
@@ -113,5 +123,7 @@ struct privcmd_dm_op {
 	_IOC(_IOC_NONE, 'P', 5, sizeof(struct privcmd_dm_op))
 #define IOCTL_PRIVCMD_RESTRICT					\
 	_IOC(_IOC_NONE, 'P', 6, sizeof(domid_t))
+#define IOCTL_PRIVCMD_MMAP_RESOURCE				\
+	_IOC(_IOC_NONE, 'P', 7, sizeof(struct privcmd_mmap_resource))
 
 #endif /* __LINUX_PUBLIC_PRIVCMD_H__ */