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authorYang Zhang <yang.z.zhang@intel.com>2015-08-28 09:58:54 +0800
committerYang Zhang <yang.z.zhang@intel.com>2015-09-01 12:44:00 +0800
commite44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch)
tree66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c
parent9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff)
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5 Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c')
-rw-r--r--qemu/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c61
1 files changed, 61 insertions, 0 deletions
diff --git a/qemu/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c b/qemu/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c
new file mode 100644
index 000000000..03bbfd04a
--- /dev/null
+++ b/qemu/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c
@@ -0,0 +1,61 @@
+#include <errno.h>
+#include <comboot.h>
+#include <ipxe/in.h>
+#include <ipxe/list.h>
+#include <ipxe/process.h>
+#include <ipxe/resolv.h>
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+struct comboot_resolver {
+ struct interface intf;
+ int rc;
+ struct in_addr addr;
+};
+
+static void comboot_resolv_close ( struct comboot_resolver *comboot_resolver,
+ int rc ) {
+ comboot_resolver->rc = rc;
+ intf_shutdown ( &comboot_resolver->intf, rc );
+}
+
+static void comboot_resolv_done ( struct comboot_resolver *comboot_resolver,
+ struct sockaddr *sa ) {
+ struct sockaddr_in *sin;
+
+ if ( sa->sa_family == AF_INET ) {
+ sin = ( ( struct sockaddr_in * ) sa );
+ comboot_resolver->addr = sin->sin_addr;
+ }
+}
+
+static struct interface_operation comboot_resolv_op[] = {
+ INTF_OP ( intf_close, struct comboot_resolver *, comboot_resolv_close ),
+ INTF_OP ( resolv_done, struct comboot_resolver *, comboot_resolv_done ),
+};
+
+static struct interface_descriptor comboot_resolv_desc =
+ INTF_DESC ( struct comboot_resolver, intf, comboot_resolv_op );
+
+static struct comboot_resolver comboot_resolver = {
+ .intf = INTF_INIT ( comboot_resolv_desc ),
+};
+
+int comboot_resolv ( const char *name, struct in_addr *address ) {
+ int rc;
+
+ comboot_resolver.rc = -EINPROGRESS;
+ comboot_resolver.addr.s_addr = 0;
+
+ if ( ( rc = resolv ( &comboot_resolver.intf, name, NULL ) ) != 0 )
+ return rc;
+
+ while ( comboot_resolver.rc == -EINPROGRESS )
+ step();
+
+ if ( ! comboot_resolver.addr.s_addr )
+ return -EAFNOSUPPORT;
+
+ *address = comboot_resolver.addr;
+ return comboot_resolver.rc;
+}