diff options
author | 2015-08-28 09:58:54 +0800 | |
---|---|---|
committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/roms/ipxe/src/arch/i386/interface/syslinux/comboot_resolv.c | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (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.c | 61 |
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; +} |