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vhost-user: fix up rhel6 build

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Build on RHEL6 fails:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42875

Apparently unnamed unions couldn't use C99  named field initializers.
Let's just name the payload union field.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2015-10-22 22:28:37 +03:00
parent 3c23402d40
commit 7f4a930e64
1 changed files with 24 additions and 24 deletions
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48
hw/virtio/vhost-user.c
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@ -89,7 +89,7 @@ typedef struct VhostUserMsg {
struct vhost_vring_state state;
struct vhost_vring_addr addr;
VhostUserMemory memory;
};
} payload;
} QEMU_PACKED VhostUserMsg;
static VhostUserMsg m __attribute__ ((unused));
@ -200,8 +200,8 @@ static int vhost_user_set_log_base(struct vhost_dev *dev, uint64_t base,
VhostUserMsg msg = {
.request = VHOST_USER_SET_LOG_BASE,
.flags = VHOST_USER_VERSION,
.u64 = base,
.size = sizeof(m.u64),
.payload.u64 = base,
.size = sizeof(m.payload.u64),
};
if (shmfd && log->fd != -1) {
@ -247,17 +247,17 @@ static int vhost_user_set_mem_table(struct vhost_dev *dev,
&ram_addr);
fd = qemu_get_ram_fd(ram_addr);
if (fd > 0) {
msg.memory.regions[fd_num].userspace_addr = reg->userspace_addr;
msg.memory.regions[fd_num].memory_size = reg->memory_size;
msg.memory.regions[fd_num].guest_phys_addr = reg->guest_phys_addr;
msg.memory.regions[fd_num].mmap_offset = reg->userspace_addr -
msg.payload.memory.regions[fd_num].userspace_addr = reg->userspace_addr;
msg.payload.memory.regions[fd_num].memory_size = reg->memory_size;
msg.payload.memory.regions[fd_num].guest_phys_addr = reg->guest_phys_addr;
msg.payload.memory.regions[fd_num].mmap_offset = reg->userspace_addr -
(uintptr_t) qemu_get_ram_block_host_ptr(ram_addr);
assert(fd_num < VHOST_MEMORY_MAX_NREGIONS);
fds[fd_num++] = fd;
}
}
msg.memory.nregions = fd_num;
msg.payload.memory.nregions = fd_num;
if (!fd_num) {
error_report("Failed initializing vhost-user memory map, "
@ -265,8 +265,8 @@ static int vhost_user_set_mem_table(struct vhost_dev *dev,
return -1;
}
msg.size = sizeof(m.memory.nregions);
msg.size += sizeof(m.memory.padding);
msg.size = sizeof(m.payload.memory.nregions);
msg.size += sizeof(m.payload.memory.padding);
msg.size += fd_num * sizeof(VhostUserMemoryRegion);
vhost_user_write(dev, &msg, fds, fd_num);
@ -280,7 +280,7 @@ static int vhost_user_set_vring_addr(struct vhost_dev *dev,
VhostUserMsg msg = {
.request = VHOST_USER_SET_VRING_ADDR,
.flags = VHOST_USER_VERSION,
.addr = *addr,
.payload.addr = *addr,
.size = sizeof(*addr),
};
@ -303,7 +303,7 @@ static int vhost_set_vring(struct vhost_dev *dev,
VhostUserMsg msg = {
.request = request,
.flags = VHOST_USER_VERSION,
.state = *ring,
.payload.state = *ring,
.size = sizeof(*ring),
};
@ -345,7 +345,7 @@ static int vhost_user_get_vring_base(struct vhost_dev *dev,
VhostUserMsg msg = {
.request = VHOST_USER_GET_VRING_BASE,
.flags = VHOST_USER_VERSION,
.state = *ring,
.payload.state = *ring,
.size = sizeof(*ring),
};
@ -361,12 +361,12 @@ static int vhost_user_get_vring_base(struct vhost_dev *dev,
return -1;
}
if (msg.size != sizeof(m.state)) {
if (msg.size != sizeof(m.payload.state)) {
error_report("Received bad msg size.");
return -1;
}
*ring = msg.state;
*ring = msg.payload.state;
return 0;
}
@ -380,14 +380,14 @@ static int vhost_set_vring_file(struct vhost_dev *dev,
VhostUserMsg msg = {
.request = request,
.flags = VHOST_USER_VERSION,
.u64 = file->index & VHOST_USER_VRING_IDX_MASK,
.size = sizeof(m.u64),
.payload.u64 = file->index & VHOST_USER_VRING_IDX_MASK,
.size = sizeof(m.payload.u64),
};
if (ioeventfd_enabled() && file->fd > 0) {
fds[fd_num++] = file->fd;
} else {
msg.u64 |= VHOST_USER_VRING_NOFD_MASK;
msg.payload.u64 |= VHOST_USER_VRING_NOFD_MASK;
}
vhost_user_write(dev, &msg, fds, fd_num);
@ -412,8 +412,8 @@ static int vhost_user_set_u64(struct vhost_dev *dev, int request, uint64_t u64)
VhostUserMsg msg = {
.request = request,
.flags = VHOST_USER_VERSION,
.u64 = u64,
.size = sizeof(m.u64),
.payload.u64 = u64,
.size = sizeof(m.payload.u64),
};
vhost_user_write(dev, &msg, NULL, 0);
@ -456,12 +456,12 @@ static int vhost_user_get_u64(struct vhost_dev *dev, int request, uint64_t *u64)
return -1;
}
if (msg.size != sizeof(m.u64)) {
if (msg.size != sizeof(m.payload.u64)) {
error_report("Received bad msg size.");
return -1;
}
*u64 = msg.u64;
*u64 = msg.payload.u64;
return 0;
}
@ -591,8 +591,8 @@ static int vhost_user_migration_done(struct vhost_dev *dev, char* mac_addr)
VHOST_USER_PROTOCOL_F_RARP)) {
msg.request = VHOST_USER_SEND_RARP;
msg.flags = VHOST_USER_VERSION;
memcpy((char *)&msg.u64, mac_addr, 6);
msg.size = sizeof(m.u64);
memcpy((char *)&msg.payload.u64, mac_addr, 6);
msg.size = sizeof(m.payload.u64);
err = vhost_user_write(dev, &msg, NULL, 0);
return err;