diff options
Diffstat (limited to 'xen/include/public')
| -rw-r--r-- | xen/include/public/hvm/dm_op.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/xen/include/public/hvm/dm_op.h b/xen/include/public/hvm/dm_op.h index 1f70d58caa..ef7fbc0d3d 100644 --- a/xen/include/public/hvm/dm_op.h +++ b/xen/include/public/hvm/dm_op.h @@ -449,6 +449,21 @@ struct xen_dm_op_set_irq_level { }; typedef struct xen_dm_op_set_irq_level xen_dm_op_set_irq_level_t; +/* + * XEN_DMOP_nr_vcpus: Query the number of vCPUs a domain has. + * + * This is the number of vcpu objects allocated in Xen for the domain, and is + * fixed from creation time. This bound is applicable to e.g. the vcpuid + * parameter of XEN_DMOP_inject_event, or number of struct ioreq objects + * mapped via XENMEM_acquire_resource. + */ +#define XEN_DMOP_nr_vcpus 20 + +struct xen_dm_op_nr_vcpus { + uint32_t vcpus; /* OUT */ +}; +typedef struct xen_dm_op_nr_vcpus xen_dm_op_nr_vcpus_t; + struct xen_dm_op { uint32_t op; uint32_t pad; @@ -472,6 +487,7 @@ struct xen_dm_op { xen_dm_op_remote_shutdown_t remote_shutdown; xen_dm_op_relocate_memory_t relocate_memory; xen_dm_op_pin_memory_cacheattr_t pin_memory_cacheattr; + xen_dm_op_nr_vcpus_t nr_vcpus; } u; }; |