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-rw-r--r--arch/x86/include/asm/lguest_hcall.h2
-rw-r--r--arch/x86/lguest/boot.c7
-rw-r--r--drivers/block/virtio_blk.c5
-rw-r--r--drivers/lguest/lg.h2
-rw-r--r--drivers/virtio/virtio_pci.c2
-rw-r--r--include/linux/lguest.h2
-rw-r--r--include/linux/virtio_net.h14
7 files changed, 23 insertions, 11 deletions
diff --git a/arch/x86/include/asm/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h
index d31c4a684078..33600a66755f 100644
--- a/arch/x86/include/asm/lguest_hcall.h
+++ b/arch/x86/include/asm/lguest_hcall.h
@@ -30,7 +30,7 @@
30#include <asm/hw_irq.h> 30#include <asm/hw_irq.h>
31#include <asm/kvm_para.h> 31#include <asm/kvm_para.h>
32 32
33/*G:031 But first, how does our Guest contact the Host to ask for privileged 33/*G:030 But first, how does our Guest contact the Host to ask for privileged
34 * operations? There are two ways: the direct way is to make a "hypercall", 34 * operations? There are two ways: the direct way is to make a "hypercall",
35 * to make requests of the Host Itself. 35 * to make requests of the Host Itself.
36 * 36 *
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index 7bc65f0f62c4..f2bf1f73d468 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -379,6 +379,11 @@ static void lguest_cpuid(unsigned int *ax, unsigned int *bx,
379 379
380 native_cpuid(ax, bx, cx, dx); 380 native_cpuid(ax, bx, cx, dx);
381 switch (function) { 381 switch (function) {
382 case 0: /* ID and highest CPUID. Futureproof a little by sticking to
383 * older ones. */
384 if (*ax > 5)
385 *ax = 5;
386 break;
382 case 1: /* Basic feature request. */ 387 case 1: /* Basic feature request. */
383 /* We only allow kernel to see SSE3, CMPXCHG16B and SSSE3 */ 388 /* We only allow kernel to see SSE3, CMPXCHG16B and SSSE3 */
384 *cx &= 0x00002201; 389 *cx &= 0x00002201;
@@ -1079,7 +1084,7 @@ static unsigned lguest_patch(u8 type, u16 clobber, void *ibuf,
1079 return insn_len; 1084 return insn_len;
1080} 1085}
1081 1086
1082/*G:030 Once we get to lguest_init(), we know we're a Guest. The various 1087/*G:029 Once we get to lguest_init(), we know we're a Guest. The various
1083 * pv_ops structures in the kernel provide points for (almost) every routine we 1088 * pv_ops structures in the kernel provide points for (almost) every routine we
1084 * have to override to avoid privileged instructions. */ 1089 * have to override to avoid privileged instructions. */
1085__init void lguest_init(void) 1090__init void lguest_init(void)
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 43db3ea15b54..fbeefb68a31f 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -213,7 +213,7 @@ static int virtblk_ioctl(struct block_device *bdev, fmode_t mode,
213 * Only allow the generic SCSI ioctls if the host can support it. 213 * Only allow the generic SCSI ioctls if the host can support it.
214 */ 214 */
215 if (!virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_SCSI)) 215 if (!virtio_has_feature(vblk->vdev, VIRTIO_BLK_F_SCSI))
216 return -ENOIOCTLCMD; 216 return -ENOTTY;
217 217
218 return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp); 218 return scsi_cmd_ioctl(disk->queue, disk, mode, cmd, argp);
219} 219}
@@ -360,6 +360,9 @@ static int __devinit virtblk_probe(struct virtio_device *vdev)
360 blk_queue_max_phys_segments(vblk->disk->queue, vblk->sg_elems-2); 360 blk_queue_max_phys_segments(vblk->disk->queue, vblk->sg_elems-2);
361 blk_queue_max_hw_segments(vblk->disk->queue, vblk->sg_elems-2); 361 blk_queue_max_hw_segments(vblk->disk->queue, vblk->sg_elems-2);
362 362
363 /* No need to bounce any requests */
364 blk_queue_bounce_limit(vblk->disk->queue, BLK_BOUNCE_ANY);
365
363 /* No real sector limit. */ 366 /* No real sector limit. */
364 blk_queue_max_sectors(vblk->disk->queue, -1U); 367 blk_queue_max_sectors(vblk->disk->queue, -1U);
365 368
diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h
index 9c3138265f8e..01c591923793 100644
--- a/drivers/lguest/lg.h
+++ b/drivers/lguest/lg.h
@@ -38,8 +38,6 @@ struct lguest_pages
38#define CHANGED_GDT_TLS 4 /* Actually a subset of CHANGED_GDT */ 38#define CHANGED_GDT_TLS 4 /* Actually a subset of CHANGED_GDT */
39#define CHANGED_ALL 3 39#define CHANGED_ALL 3
40 40
41struct lguest;
42
43struct lg_cpu { 41struct lg_cpu {
44 unsigned int id; 42 unsigned int id;
45 struct lguest *lg; 43 struct lguest *lg;
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 193c8f0e5cc5..bcec78ffc765 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -669,7 +669,7 @@ static int __init virtio_pci_init(void)
669 669
670 err = pci_register_driver(&virtio_pci_driver); 670 err = pci_register_driver(&virtio_pci_driver);
671 if (err) 671 if (err)
672 device_unregister(virtio_pci_root); 672 root_device_unregister(virtio_pci_root);
673 673
674 return err; 674 return err;
675} 675}
diff --git a/include/linux/lguest.h b/include/linux/lguest.h
index 7bc1440fc473..dbf2479e808e 100644
--- a/include/linux/lguest.h
+++ b/include/linux/lguest.h
@@ -11,7 +11,7 @@
11#define LG_CLOCK_MIN_DELTA 100UL 11#define LG_CLOCK_MIN_DELTA 100UL
12#define LG_CLOCK_MAX_DELTA ULONG_MAX 12#define LG_CLOCK_MAX_DELTA ULONG_MAX
13 13
14/*G:032 The second method of communicating with the Host is to via "struct 14/*G:031 The second method of communicating with the Host is to via "struct
15 * lguest_data". Once the Guest's initialization hypercall tells the Host where 15 * lguest_data". Once the Guest's initialization hypercall tells the Host where
16 * this is, the Guest and Host both publish information in it. :*/ 16 * this is, the Guest and Host both publish information in it. :*/
17struct lguest_data 17struct lguest_data
diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h
index cec79adbe3ea..9c543d6ac535 100644
--- a/include/linux/virtio_net.h
+++ b/include/linux/virtio_net.h
@@ -27,6 +27,7 @@
27#define VIRTIO_NET_F_CTRL_VQ 17 /* Control channel available */ 27#define VIRTIO_NET_F_CTRL_VQ 17 /* Control channel available */
28#define VIRTIO_NET_F_CTRL_RX 18 /* Control channel RX mode support */ 28#define VIRTIO_NET_F_CTRL_RX 18 /* Control channel RX mode support */
29#define VIRTIO_NET_F_CTRL_VLAN 19 /* Control channel VLAN filtering */ 29#define VIRTIO_NET_F_CTRL_VLAN 19 /* Control channel VLAN filtering */
30#define VIRTIO_NET_F_CTRL_RX_EXTRA 20 /* Extra RX mode control support */
30 31
31#define VIRTIO_NET_S_LINK_UP 1 /* Link is up */ 32#define VIRTIO_NET_S_LINK_UP 1 /* Link is up */
32 33
@@ -81,14 +82,19 @@ typedef __u8 virtio_net_ctrl_ack;
81#define VIRTIO_NET_ERR 1 82#define VIRTIO_NET_ERR 1
82 83
83/* 84/*
84 * Control the RX mode, ie. promisucous and allmulti. PROMISC and 85 * Control the RX mode, ie. promisucous, allmulti, etc...
85 * ALLMULTI commands require an "out" sg entry containing a 1 byte 86 * All commands require an "out" sg entry containing a 1 byte
86 * state value, zero = disable, non-zero = enable. These commands 87 * state value, zero = disable, non-zero = enable. Commands
87 * are supported with the VIRTIO_NET_F_CTRL_RX feature. 88 * 0 and 1 are supported with the VIRTIO_NET_F_CTRL_RX feature.
89 * Commands 2-5 are added with VIRTIO_NET_F_CTRL_RX_EXTRA.
88 */ 90 */
89#define VIRTIO_NET_CTRL_RX 0 91#define VIRTIO_NET_CTRL_RX 0
90 #define VIRTIO_NET_CTRL_RX_PROMISC 0 92 #define VIRTIO_NET_CTRL_RX_PROMISC 0
91 #define VIRTIO_NET_CTRL_RX_ALLMULTI 1 93 #define VIRTIO_NET_CTRL_RX_ALLMULTI 1
94 #define VIRTIO_NET_CTRL_RX_ALLUNI 2
95 #define VIRTIO_NET_CTRL_RX_NOMULTI 3
96 #define VIRTIO_NET_CTRL_RX_NOUNI 4
97 #define VIRTIO_NET_CTRL_RX_NOBCAST 5
92 98
93/* 99/*
94 * Control the MAC filter table. 100 * Control the MAC filter table.