Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* socket option parsing fix (Daniel)
* SCSI fixes (Fam)
* Readline double-free fix (Greg)
* More HVF attribution fixes (Izik)
* WHPX (Windows Hypervisor Platform Extensions) support (Justin)
* POLLHUP handler (Klim)
* ivshmem fixes (Ladi)
* memfd memory backend (Marc-André)
* improved error message (Marcelo)
* Memory fixes (Peter Xu, Zhecheng)
* Remove obsolete code and comments (Peter M.)
* qdev API improvements (Philippe)
* Add CONFIG_I2C switch (Thomas)

# gpg: Signature made Wed 07 Feb 2018 15:24:08 GMT
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (47 commits)
  Add the WHPX acceleration enlightenments
  Introduce the WHPX impl
  Add the WHPX vcpu API
  Add the Windows Hypervisor Platform accelerator.
  tests/test-filter-redirector: move close()
  tests: use memfd in vhost-user-test
  vhost-user-test: make read-guest-mem setup its own qemu
  tests: keep compiling failing vhost-user tests
  Add memfd based hostmem
  memfd: add hugetlbsize argument
  memfd: add hugetlb support
  memfd: add error argument, instead of perror()
  cpus: join thread when removing a vCPU
  cpus: hvf: unregister thread with RCU
  cpus: tcg: unregister thread with RCU, fix exiting of loop on unplug
  cpus: dummy: unregister thread with RCU, exit loop on unplug
  cpus: kvm: unregister thread with RCU
  cpus: hax: register/unregister thread with RCU, exit loop on unplug
  ivshmem: Disable irqfd on device reset
  ivshmem: Improve MSI irqfd error handling
  ...

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

# Conflicts:
#	cpus.c

1 files changed, 40 insertions, 4 deletions

diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c
index d6a1e1759e..fbbef69f62 100644
--- a/util/qemu-sockets.c
+++ b/util/qemu-sockets.c
@@ -554,6 +554,33 @@ err:
 }
 
 /* compatibility wrapper */
+static int inet_parse_flag(const char *flagname, const char *optstr, bool *val,
+                           Error **errp)
+{
+    char *end;
+    size_t len;
+
+    end = strstr(optstr, ",");
+    if (end) {
+        if (end[1] == ',') { /* Reject 'ipv6=on,,foo' */
+            error_setg(errp, "error parsing '%s' flag '%s'", flagname, optstr);
+            return -1;
+        }
+        len = end - optstr;
+    } else {
+        len = strlen(optstr);
+    }
+    if (len == 0 || (len == 3 && strncmp(optstr, "=on", len) == 0)) {
+        *val = true;
+    } else if (len == 4 && strncmp(optstr, "=off", len) == 0) {
+        *val = false;
+    } else {
+        error_setg(errp, "error parsing '%s' flag '%s'", flagname, optstr);
+        return -1;
+    }
+    return 0;
+}
+
 int inet_parse(InetSocketAddress *addr, const char *str, Error **errp)
 {
     const char *optstr, *h;
@@ -561,6 +588,7 @@ int inet_parse(InetSocketAddress *addr, const char *str, Error **errp)
     char port[33];
     int to;
     int pos;
+    char *begin;
 
     memset(addr, 0, sizeof(*addr));
 
@@ -602,11 +630,19 @@ int inet_parse(InetSocketAddress *addr, const char *str, Error **errp)
         addr->has_to = true;
         addr->to = to;
     }
-    if (strstr(optstr, ",ipv4")) {
-        addr->ipv4 = addr->has_ipv4 = true;
+    begin = strstr(optstr, ",ipv4");
+    if (begin) {
+        if (inet_parse_flag("ipv4", begin + 5, &addr->ipv4, errp) < 0) {
+            return -1;
+        }
+        addr->has_ipv4 = true;
     }
-    if (strstr(optstr, ",ipv6")) {
-        addr->ipv6 = addr->has_ipv6 = true;
+    begin = strstr(optstr, ",ipv6");
+    if (begin) {
+        if (inet_parse_flag("ipv6", begin + 5, &addr->ipv6, errp) < 0) {
+            return -1;
+        }
+        addr->has_ipv6 = true;
     }
     return 0;
 }