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pc,vhost: fixes

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Fixes all over the place.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,vhost: fixes

Fixes all over the place.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Tue 17 Nov 2020 09:17:12 GMT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* remotes/mst/tags/for_upstream:
  vhost-user-blk/scsi: Fix broken error handling for socket call
  contrib/libvhost-user: Fix bad printf format specifiers
  hw/i386/acpi-build: Fix maybe-uninitialized error when ACPI hotplug off
  configure: mark vhost-user Linux-only
  vhost-user-blk-server: depend on CONFIG_VHOST_USER
  meson: move vhost_user_blk_server to meson.build
  vhost-user: fix VHOST_USER_ADD/REM_MEM_REG truncation

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	meson.build
This commit is contained in:
Peter Maydell 2020-11-17 11:50:11 +00:00
commit 1c7ab0930a
10 changed files with 65 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
block/export/meson.build
View File

@ -1,2 +1,5 @@
blockdev_ss.add(files('export.c'))
blockdev_ss.add(when: 'CONFIG_VHOST_USER_BLK_SERVER', if_true: files('vhost-user-blk-server.c'))
if have_vhost_user_blk_server
blockdev_ss.add(files('vhost-user-blk-server.c'))
endif

25
configure vendored
View File

@ -328,8 +328,8 @@ vhost_net=""
vhost_crypto=""
vhost_scsi=""
vhost_vsock=""
vhost_user=""
vhost_user_blk_server=""
vhost_user="no"
vhost_user_blk_server="auto"
vhost_user_fs=""
kvm="auto"
hax="auto"
@ -718,7 +718,6 @@ fi
case $targetos in
MINGW32*)
mingw32="yes"
vhost_user="no"
audio_possible_drivers="dsound sdl"
if check_include dsound.h; then
audio_drv_list="dsound"
@ -797,6 +796,7 @@ Linux)
audio_possible_drivers="oss alsa sdl pa"
linux="yes"
linux_user="yes"
vhost_user="yes"
;;
esac
@ -1247,9 +1247,9 @@ for opt do
;;
--enable-vhost-vsock) vhost_vsock="yes"
;;
--disable-vhost-user-blk-server) vhost_user_blk_server="no"
--disable-vhost-user-blk-server) vhost_user_blk_server="disabled"
;;
--enable-vhost-user-blk-server) vhost_user_blk_server="yes"
--enable-vhost-user-blk-server) vhost_user_blk_server="enabled"
;;
--disable-vhost-user-fs) vhost_user_fs="no"
;;
@ -2341,9 +2341,8 @@ fi
# vhost interdependencies and host support
# vhost backends
test "$vhost_user" = "" && vhost_user=yes
if test "$vhost_user" = "yes" && test "$mingw32" = "yes"; then
error_exit "vhost-user isn't available on win32"
if test "$vhost_user" = "yes" && test "$linux" != "yes"; then
error_exit "vhost-user is only available on Linux"
fi
test "$vhost_vdpa" = "" && vhost_vdpa=$linux
if test "$vhost_vdpa" = "yes" && test "$linux" != "yes"; then
@ -2390,12 +2389,6 @@ if test "$vhost_net" = ""; then
test "$vhost_kernel" = "yes" && vhost_net=yes
fi
# libvhost-user is Linux-only
test "$vhost_user_blk_server" = "" && vhost_user_blk_server=$linux
if test "$vhost_user_blk_server" = "yes" && test "$linux" = "no"; then
error_exit "--enable-vhost-user-blk-server is only available on Linux"
fi
##########################################
# pkg-config probe
@ -6289,9 +6282,6 @@ fi
if test "$vhost_vdpa" = "yes" ; then
echo "CONFIG_VHOST_VDPA=y" >> $config_host_mak
fi
if test "$vhost_user_blk_server" = "yes" ; then
echo "CONFIG_VHOST_USER_BLK_SERVER=y" >> $config_host_mak
fi
if test "$vhost_user_fs" = "yes" ; then
echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
fi
@ -7012,6 +7002,7 @@ NINJA=$ninja $meson setup \
-Dcapstone=$capstone -Dslirp=$slirp -Dfdt=$fdt \
-Diconv=$iconv -Dcurses=$curses -Dlibudev=$libudev\
-Ddocs=$docs -Dsphinx_build=$sphinx_build -Dinstall_blobs=$blobs \
-Dvhost_user_blk_server=$vhost_user_blk_server \
$cross_arg \
"$PWD" "$source_path"

24
contrib/libvhost-user/libvhost-user.c
View File

@ -701,7 +701,7 @@ vu_add_mem_reg(VuDev *dev, VhostUserMsg *vmsg) {
return false;
}
DPRINT("Adding region: %d\n", dev->nregions);
DPRINT("Adding region: %u\n", dev->nregions);
DPRINT(" guest_phys_addr: 0x%016"PRIx64"\n",
msg_region->guest_phys_addr);
DPRINT(" memory_size: 0x%016"PRIx64"\n",
@ -848,7 +848,7 @@ vu_set_mem_table_exec_postcopy(VuDev *dev, VhostUserMsg *vmsg)
VhostUserMemory m = vmsg->payload.memory, *memory = &m;
dev->nregions = memory->nregions;
DPRINT("Nregions: %d\n", memory->nregions);
DPRINT("Nregions: %u\n", memory->nregions);
for (i = 0; i < dev->nregions; i++) {
void *mmap_addr;
VhostUserMemoryRegion *msg_region = &memory->regions[i];
@ -938,7 +938,7 @@ vu_set_mem_table_exec(VuDev *dev, VhostUserMsg *vmsg)
return vu_set_mem_table_exec_postcopy(dev, vmsg);
}
DPRINT("Nregions: %d\n", memory->nregions);
DPRINT("Nregions: %u\n", memory->nregions);
for (i = 0; i < dev->nregions; i++) {
void *mmap_addr;
VhostUserMemoryRegion *msg_region = &memory->regions[i];
@ -1049,8 +1049,8 @@ vu_set_vring_num_exec(VuDev *dev, VhostUserMsg *vmsg)
unsigned int index = vmsg->payload.state.index;
unsigned int num = vmsg->payload.state.num;
DPRINT("State.index: %d\n", index);
DPRINT("State.num: %d\n", num);
DPRINT("State.index: %u\n", index);
DPRINT("State.num: %u\n", num);
dev->vq[index].vring.num = num;
return false;
@ -1105,8 +1105,8 @@ vu_set_vring_base_exec(VuDev *dev, VhostUserMsg *vmsg)
unsigned int index = vmsg->payload.state.index;
unsigned int num = vmsg->payload.state.num;
DPRINT("State.index: %d\n", index);
DPRINT("State.num: %d\n", num);
DPRINT("State.index: %u\n", index);
DPRINT("State.num: %u\n", num);
dev->vq[index].shadow_avail_idx = dev->vq[index].last_avail_idx = num;
return false;
@ -1117,7 +1117,7 @@ vu_get_vring_base_exec(VuDev *dev, VhostUserMsg *vmsg)
{
unsigned int index = vmsg->payload.state.index;
DPRINT("State.index: %d\n", index);
DPRINT("State.index: %u\n", index);
vmsg->payload.state.num = dev->vq[index].last_avail_idx;
vmsg->size = sizeof(vmsg->payload.state);
@ -1478,8 +1478,8 @@ vu_set_vring_enable_exec(VuDev *dev, VhostUserMsg *vmsg)
unsigned int index = vmsg->payload.state.index;
unsigned int enable = vmsg->payload.state.num;
DPRINT("State.index: %d\n", index);
DPRINT("State.enable: %d\n", enable);
DPRINT("State.index: %u\n", index);
DPRINT("State.enable: %u\n", enable);
if (index >= dev->max_queues) {
vu_panic(dev, "Invalid vring_enable index: %u", index);
@ -1728,7 +1728,7 @@ vu_handle_vring_kick(VuDev *dev, VhostUserMsg *vmsg)
return false;
}
DPRINT("Got kick message: handler:%p idx:%d\n",
DPRINT("Got kick message: handler:%p idx:%u\n",
dev->vq[index].handler, index);
if (!dev->vq[index].started) {
@ -1772,7 +1772,7 @@ vu_process_message(VuDev *dev, VhostUserMsg *vmsg)
DPRINT("Request: %s (%d)\n", vu_request_to_string(vmsg->request),
vmsg->request);
DPRINT("Flags: 0x%x\n", vmsg->flags);
DPRINT("Size: %d\n", vmsg->size);
DPRINT("Size: %u\n", vmsg->size);
if (vmsg->fd_num) {
int i;

2
contrib/libvhost-user/libvhost-user.h
View File

@ -136,7 +136,7 @@ typedef struct VhostUserMemory {
} VhostUserMemory;
typedef struct VhostUserMemRegMsg {
uint32_t padding;
uint64_t padding;
VhostUserMemoryRegion region;
} VhostUserMemRegMsg;

2
contrib/vhost-user-blk/vhost-user-blk.c
View File

@ -476,7 +476,7 @@ static int unix_sock_new(char *unix_fn)
assert(unix_fn);
sock = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock <= 0) {
if (sock < 0) {
perror("socket");
return -1;
}

2
contrib/vhost-user-scsi/vhost-user-scsi.c
View File

@ -320,7 +320,7 @@ static int unix_sock_new(char *unix_fn)
assert(unix_fn);
sock = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock <= 0) {
if (sock < 0) {
perror("socket");
return -1;
}

21
docs/interop/vhost-user.rst
View File

@ -131,6 +131,23 @@ A region is:
:mmap offset: 64-bit offset where region starts in the mapped memory
Single memory region description
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+---------+---------------+------+--------------+-------------+
| padding | guest address | size | user address | mmap offset |
+---------+---------------+------+--------------+-------------+
:padding: 64-bit
:guest address: a 64-bit guest address of the region
:size: a 64-bit size
:user address: a 64-bit user address
:mmap offset: 64-bit offset where region starts in the mapped memory
Log description
^^^^^^^^^^^^^^^
@ -1281,7 +1298,7 @@ Master message types
``VHOST_USER_ADD_MEM_REG``
:id: 37
:equivalent ioctl: N/A
:slave payload: memory region
:slave payload: single memory region description
When the ``VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS`` protocol
feature has been successfully negotiated, this message is submitted
@ -1296,7 +1313,7 @@ Master message types
``VHOST_USER_REM_MEM_REG``
:id: 38
:equivalent ioctl: N/A
:slave payload: memory region
:slave payload: single memory region description
When the ``VHOST_USER_PROTOCOL_F_CONFIGURE_MEM_SLOTS`` protocol
feature has been successfully negotiated, this message is submitted

5
hw/virtio/vhost-user.c
View File

@ -149,7 +149,7 @@ typedef struct VhostUserMemory {
} VhostUserMemory;
typedef struct VhostUserMemRegMsg {
uint32_t padding;
uint64_t padding;
VhostUserMemoryRegion region;
} VhostUserMemRegMsg;
@ -800,8 +800,7 @@ static int vhost_user_add_remove_regions(struct vhost_dev *dev,
uint64_t shadow_pcb[VHOST_USER_MAX_RAM_SLOTS] = {};
int nr_add_reg, nr_rem_reg;
msg->hdr.size = sizeof(msg->payload.mem_reg.padding) +
sizeof(VhostUserMemoryRegion);
msg->hdr.size = sizeof(msg->payload.mem_reg);
/* Find the regions which need to be removed or added. */
scrub_shadow_regions(dev, add_reg, &nr_add_reg, rem_reg, &nr_rem_reg,

15
meson.build
View File

@ -756,6 +756,19 @@ statx_test = '''
has_statx = cc.links(statx_test)
have_vhost_user_blk_server = (targetos == 'linux' and
'CONFIG_VHOST_USER' in config_host)
if get_option('vhost_user_blk_server').enabled()
if targetos != 'linux'
error('vhost_user_blk_server requires linux')
elif 'CONFIG_VHOST_USER' not in config_host
error('vhost_user_blk_server requires vhost-user support')
endif
elif get_option('vhost_user_blk_server').disabled() or not have_system
have_vhost_user_blk_server = false
endif
#################
# config-host.h #
#################
@ -780,6 +793,7 @@ config_host_data.set('CONFIG_MPATH_NEW_API', mpathpersist_new_api)
config_host_data.set('CONFIG_CURSES', curses.found())
config_host_data.set('CONFIG_SDL', sdl.found())
config_host_data.set('CONFIG_SDL_IMAGE', sdl_image.found())
config_host_data.set('CONFIG_VHOST_USER_BLK_SERVER', have_vhost_user_blk_server)
config_host_data.set('CONFIG_VNC', vnc.found())
config_host_data.set('CONFIG_VNC_JPEG', jpeg.found())
config_host_data.set('CONFIG_VNC_PNG', png.found())
@ -2109,6 +2123,7 @@ summary_info += {'vhost-crypto support': config_host.has_key('CONFIG_VHOST_CRYPT
summary_info += {'vhost-scsi support': config_host.has_key('CONFIG_VHOST_SCSI')}
summary_info += {'vhost-vsock support': config_host.has_key('CONFIG_VHOST_VSOCK')}
summary_info += {'vhost-user support': config_host.has_key('CONFIG_VHOST_USER')}
summary_info += {'vhost-user-blk server support': have_vhost_user_blk_server}
summary_info += {'vhost-user-fs support': config_host.has_key('CONFIG_VHOST_USER_FS')}
summary_info += {'vhost-vdpa support': config_host.has_key('CONFIG_VHOST_VDPA')}
summary_info += {'Trace backends': config_host['TRACE_BACKENDS']}

2
meson_options.txt
View File

@ -64,6 +64,8 @@ option('xkbcommon', type : 'feature', value : 'auto',
description: 'xkbcommon support')
option('virtiofsd', type: 'feature', value: 'auto',
description: 'build virtiofs daemon (virtiofsd)')
option('vhost_user_blk_server', type: 'feature', value: 'auto',
description: 'build vhost-user-blk server')
option('capstone', type: 'combo', value: 'auto',
choices: ['disabled', 'enabled', 'auto', 'system', 'internal'],