diff options
| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2013-06-12 17:26:55 +1000 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2013-06-12 13:19:10 +0400 |
| commit | e098b45386a86fecc1e573d305a240a2f4aa461d (patch) | |
| tree | 85d997620131a13cf6658725dcf20dbbf860baf9 /linux-headers/linux/vhost.h | |
| parent | 821696600402e432f6f11ec355efd23f9bc6ce4f (diff) | |
linux-headers: Update to v3.10-rc5
This adds symbols required for PPC64 pseries platform features:
1. sPAPR live migration;
2. in-kernel XICS interrupt controller.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'linux-headers/linux/vhost.h')
| -rw-r--r-- | linux-headers/linux/vhost.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/linux-headers/linux/vhost.h b/linux-headers/linux/vhost.h index 165a4848c6..c656f61cfc 100644 --- a/linux-headers/linux/vhost.h +++ b/linux-headers/linux/vhost.h @@ -127,4 +127,32 @@ struct vhost_memory { /* vhost-net should add virtio_net_hdr for RX, and strip for TX packets. */ #define VHOST_NET_F_VIRTIO_NET_HDR 27 +/* VHOST_SCSI specific definitions */ + +/* + * Used by QEMU userspace to ensure a consistent vhost-scsi ABI. + * + * ABI Rev 0: July 2012 version starting point for v3.6-rc merge candidate + + * RFC-v2 vhost-scsi userspace. Add GET_ABI_VERSION ioctl usage + * ABI Rev 1: January 2013. Ignore vhost_tpgt filed in struct vhost_scsi_target. + * All the targets under vhost_wwpn can be seen and used by guset. + */ + +#define VHOST_SCSI_ABI_VERSION 1 + +struct vhost_scsi_target { + int abi_version; + char vhost_wwpn[224]; /* TRANSPORT_IQN_LEN */ + unsigned short vhost_tpgt; + unsigned short reserved; +}; + +#define VHOST_SCSI_SET_ENDPOINT _IOW(VHOST_VIRTIO, 0x40, struct vhost_scsi_target) +#define VHOST_SCSI_CLEAR_ENDPOINT _IOW(VHOST_VIRTIO, 0x41, struct vhost_scsi_target) +/* Changing this breaks userspace. */ +#define VHOST_SCSI_GET_ABI_VERSION _IOW(VHOST_VIRTIO, 0x42, int) +/* Set and get the events missed flag */ +#define VHOST_SCSI_SET_EVENTS_MISSED _IOW(VHOST_VIRTIO, 0x43, __u32) +#define VHOST_SCSI_GET_EVENTS_MISSED _IOW(VHOST_VIRTIO, 0x44, __u32) + #endif |