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vhost-scsi: add a property for booting

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Because Qemu only accept an wwpn argument for vhost-scsi, we
cannot assign a tpgt. That's say tpg is transparent for Qemu, Qemu
doesn't know which tpg can boot, but vhost-scsi driver module
doesn't know too for one assigned wwpn.

At present, we assume that the first tpg can boot only, and add
a boot_tpgt property that defaults to 0. Of course, people can
pass a valid value by qemu command line.

Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Gonglei 2015-01-29 15:08:54 +08:00 committed by Paolo Bonzini
parent 1956cf6fa1
commit 9143d5f0f1
2 changed files with 2 additions and 0 deletions
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1
include/hw/virtio/vhost-scsi.h
View File

@ -69,6 +69,7 @@ typedef struct VHostSCSI {
#define DEFINE_VHOST_SCSI_PROPERTIES(_state, _conf_field) \
DEFINE_PROP_STRING("vhostfd", _state, _conf_field.vhostfd), \
DEFINE_PROP_STRING("wwpn", _state, _conf_field.wwpn), \
DEFINE_PROP_UINT32("boot_tpgt", _state, _conf_field.boot_tpgt, 0), \
DEFINE_PROP_UINT32("num_queues", _state, _conf_field.num_queues, 1), \
DEFINE_PROP_UINT32("max_sectors", _state, _conf_field.max_sectors, 0xFFFF), \
DEFINE_PROP_UINT32("cmd_per_lun", _state, _conf_field.cmd_per_lun, 128)

1
include/hw/virtio/virtio-scsi.h
View File

@ -153,6 +153,7 @@ struct VirtIOSCSIConf {
uint32_t cmd_per_lun;
char *vhostfd;
char *wwpn;
uint32_t boot_tpgt;
IOThread *iothread;
};