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authorLinus Torvalds <torvalds@linux-foundation.org>2009-07-31 03:45:03 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-07-31 03:45:03 +0400
commit6ae7d6f0195a0ec7e5d07821e62c79898cd33fdc (patch)
treeed7975b5ae042e16500c1f5cb8b5756a6bf8d643 /include/linux
parentec30c5f3a18722f8fcf8c83146a10b03ac4d9ff1 (diff)
parent1842f23c05b6a866be831aa60bc8a8731c58ddd0 (diff)
downloadlinux-6ae7d6f0195a0ec7e5d07821e62c79898cd33fdc.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus
* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus: lguest and virtio: cleanup struct definitions to Linux style. lguest: update commentry lguest: fix comment style virtio: refactor find_vqs virtio: delete vq from list virtio: fix memory leak on device removal lguest: fix descriptor corruption in example launcher lguest: dereferencing freed mem in add_eventfd()
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/lguest.h39
-rw-r--r--include/linux/lguest_launcher.h18
-rw-r--r--include/linux/virtio_blk.h6
-rw-r--r--include/linux/virtio_config.h3
-rw-r--r--include/linux/virtio_net.h6
-rw-r--r--include/linux/virtio_ring.h12
6 files changed, 46 insertions, 38 deletions
diff --git a/include/linux/lguest.h b/include/linux/lguest.h
index dbf2479e808e..2fb1dcbcb5aa 100644
--- a/include/linux/lguest.h
+++ b/include/linux/lguest.h
@@ -1,5 +1,7 @@
-/* Things the lguest guest needs to know. Note: like all lguest interfaces,
- * this is subject to wild and random change between versions. */
+/*
+ * Things the lguest guest needs to know. Note: like all lguest interfaces,
+ * this is subject to wild and random change between versions.
+ */
#ifndef _LINUX_LGUEST_H
#define _LINUX_LGUEST_H
@@ -11,32 +13,41 @@
#define LG_CLOCK_MIN_DELTA 100UL
#define LG_CLOCK_MAX_DELTA ULONG_MAX
-/*G:031 The second method of communicating with the Host is to via "struct
+/*G:031
+ * The second method of communicating with the Host is to via "struct
* lguest_data". Once the Guest's initialization hypercall tells the Host where
- * this is, the Guest and Host both publish information in it. :*/
-struct lguest_data
-{
- /* 512 == enabled (same as eflags in normal hardware). The Guest
- * changes interrupts so often that a hypercall is too slow. */
+ * this is, the Guest and Host both publish information in it.
+:*/
+struct lguest_data {
+ /*
+ * 512 == enabled (same as eflags in normal hardware). The Guest
+ * changes interrupts so often that a hypercall is too slow.
+ */
unsigned int irq_enabled;
/* Fine-grained interrupt disabling by the Guest */
DECLARE_BITMAP(blocked_interrupts, LGUEST_IRQS);
- /* The Host writes the virtual address of the last page fault here,
+ /*
+ * The Host writes the virtual address of the last page fault here,
* which saves the Guest a hypercall. CR2 is the native register where
- * this address would normally be found. */
+ * this address would normally be found.
+ */
unsigned long cr2;
/* Wallclock time set by the Host. */
struct timespec time;
- /* Interrupt pending set by the Host. The Guest should do a hypercall
- * if it re-enables interrupts and sees this set (to X86_EFLAGS_IF). */
+ /*
+ * Interrupt pending set by the Host. The Guest should do a hypercall
+ * if it re-enables interrupts and sees this set (to X86_EFLAGS_IF).
+ */
int irq_pending;
- /* Async hypercall ring. Instead of directly making hypercalls, we can
+ /*
+ * Async hypercall ring. Instead of directly making hypercalls, we can
* place them in here for processing the next time the Host wants.
- * This batching can be quite efficient. */
+ * This batching can be quite efficient.
+ */
/* 0xFF == done (set by Host), 0 == pending (set by Guest). */
u8 hcall_status[LHCALL_RING_SIZE];
diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h
index bfefbdf7498a..495203ff221c 100644
--- a/include/linux/lguest_launcher.h
+++ b/include/linux/lguest_launcher.h
@@ -29,8 +29,10 @@ struct lguest_device_desc {
__u8 type;
/* The number of virtqueues (first in config array) */
__u8 num_vq;
- /* The number of bytes of feature bits. Multiply by 2: one for host
- * features and one for Guest acknowledgements. */
+ /*
+ * The number of bytes of feature bits. Multiply by 2: one for host
+ * features and one for Guest acknowledgements.
+ */
__u8 feature_len;
/* The number of bytes of the config array after virtqueues. */
__u8 config_len;
@@ -39,8 +41,10 @@ struct lguest_device_desc {
__u8 config[0];
};
-/*D:135 This is how we expect the device configuration field for a virtqueue
- * to be laid out in config space. */
+/*D:135
+ * This is how we expect the device configuration field for a virtqueue
+ * to be laid out in config space.
+ */
struct lguest_vqconfig {
/* The number of entries in the virtio_ring */
__u16 num;
@@ -61,7 +65,9 @@ enum lguest_req
LHREQ_EVENTFD, /* + address, fd. */
};
-/* The alignment to use between consumer and producer parts of vring.
- * x86 pagesize for historical reasons. */
+/*
+ * The alignment to use between consumer and producer parts of vring.
+ * x86 pagesize for historical reasons.
+ */
#define LGUEST_VRING_ALIGN 4096
#endif /* _LINUX_LGUEST_LAUNCHER */
diff --git a/include/linux/virtio_blk.h b/include/linux/virtio_blk.h
index be7d255fc7cf..8dab9f2b8832 100644
--- a/include/linux/virtio_blk.h
+++ b/include/linux/virtio_blk.h
@@ -20,8 +20,7 @@
#define VIRTIO_BLK_ID_BYTES (sizeof(__u16[256])) /* IDENTIFY DATA */
-struct virtio_blk_config
-{
+struct virtio_blk_config {
/* The capacity (in 512-byte sectors). */
__u64 capacity;
/* The maximum segment size (if VIRTIO_BLK_F_SIZE_MAX) */
@@ -50,8 +49,7 @@ struct virtio_blk_config
#define VIRTIO_BLK_T_BARRIER 0x80000000
/* This is the first element of the read scatter-gather list. */
-struct virtio_blk_outhdr
-{
+struct virtio_blk_outhdr {
/* VIRTIO_BLK_T* */
__u32 type;
/* io priority. */
diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h
index 99f514575f6a..e547e3c8ee9a 100644
--- a/include/linux/virtio_config.h
+++ b/include/linux/virtio_config.h
@@ -79,8 +79,7 @@
* the dev->feature bits if it wants.
*/
typedef void vq_callback_t(struct virtqueue *);
-struct virtio_config_ops
-{
+struct virtio_config_ops {
void (*get)(struct virtio_device *vdev, unsigned offset,
void *buf, unsigned len);
void (*set)(struct virtio_device *vdev, unsigned offset,
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index 9c543d6ac535..d8dd539c9f48 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -31,8 +31,7 @@
#define VIRTIO_NET_S_LINK_UP 1 /* Link is up */
-struct virtio_net_config
-{
+struct virtio_net_config {
/* The config defining mac address (if VIRTIO_NET_F_MAC) */
__u8 mac[6];
/* See VIRTIO_NET_F_STATUS and VIRTIO_NET_S_* above */
@@ -41,8 +40,7 @@ struct virtio_net_config
/* This is the first element of the scatter-gather list. If you don't
* specify GSO or CSUM features, you can simply ignore the header. */
-struct virtio_net_hdr
-{
+struct virtio_net_hdr {
#define VIRTIO_NET_HDR_F_NEEDS_CSUM 1 // Use csum_start, csum_offset
__u8 flags;
#define VIRTIO_NET_HDR_GSO_NONE 0 // Not a GSO frame
diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h
index 693e0ec5afa6..e4d144b132b5 100644
--- a/include/linux/virtio_ring.h
+++ b/include/linux/virtio_ring.h
@@ -30,8 +30,7 @@
#define VIRTIO_RING_F_INDIRECT_DESC 28
/* Virtio ring descriptors: 16 bytes. These can chain together via "next". */
-struct vring_desc
-{
+struct vring_desc {
/* Address (guest-physical). */
__u64 addr;
/* Length. */
@@ -42,24 +41,21 @@ struct vring_desc
__u16 next;
};
-struct vring_avail
-{
+struct vring_avail {
__u16 flags;
__u16 idx;
__u16 ring[];
};
/* u32 is used here for ids for padding reasons. */
-struct vring_used_elem
-{
+struct vring_used_elem {
/* Index of start of used descriptor chain. */
__u32 id;
/* Total length of the descriptor chain which was used (written to) */
__u32 len;
};
-struct vring_used
-{
+struct vring_used {
__u16 flags;
__u16 idx;
struct vring_used_elem ring[];