long xencomm_hypercall_opt_feature(void *arg) { return xencomm_arch_hypercall_opt_feature( xencomm_map_no_alloc(arg, sizeof(struct xen_ia64_opt_feature))); }
int xencomm_hypercall_physdev_op(int cmd, void *op) { unsigned int argsize; switch (cmd) { case PHYSDEVOP_apic_read: case PHYSDEVOP_apic_write: argsize = sizeof(struct physdev_apic); break; case PHYSDEVOP_alloc_irq_vector: case PHYSDEVOP_free_irq_vector: argsize = sizeof(struct physdev_irq); break; case PHYSDEVOP_irq_status_query: argsize = sizeof(struct physdev_irq_status_query); break; default: printk(KERN_DEBUG "%s: unknown physdev op %d\n", __func__, cmd); return -ENOSYS; } return xencomm_arch_hypercall_physdev_op (cmd, xencomm_map_no_alloc(op, argsize)); }
int xencomm_hypercall_event_channel_op(int cmd, void *op) { struct xencomm_handle *desc; desc = xencomm_map_no_alloc(op, sizeof(struct evtchn_op)); if (desc == NULL) return -EINVAL; return xencomm_arch_hypercall_event_channel_op(cmd, desc); }
int xencomm_hypercall_suspend(unsigned long srec) { struct sched_shutdown arg; arg.reason = SHUTDOWN_suspend; return xencomm_arch_hypercall_sched_op( SCHEDOP_shutdown, xencomm_map_no_alloc(&arg, sizeof(arg))); }
int xencomm_hypercall_memory_op(unsigned int cmd, void *arg) { GUEST_HANDLE(xen_pfn_t) extent_start_va[2] = { {NULL}, {NULL} }; struct xen_memory_reservation *xmr = NULL; int rc; struct xencomm_handle *desc; unsigned int argsize; XENCOMM_MINI_ALIGNED(xc_area, 2); switch (cmd) { case XENMEM_increase_reservation: case XENMEM_decrease_reservation: case XENMEM_populate_physmap: xmr = (struct xen_memory_reservation *)arg; set_xen_guest_handle(extent_start_va[0], xen_guest_handle(xmr->extent_start)); argsize = sizeof(*xmr); rc = xencommize_memory_reservation(xc_area, xmr); if (rc) return rc; xc_area++; break; case XENMEM_maximum_ram_page: argsize = 0; break; case XENMEM_add_to_physmap: argsize = sizeof(struct xen_add_to_physmap); break; default: printk(KERN_DEBUG "%s: unknown memory op %d\n", __func__, cmd); return -ENOSYS; } desc = xencomm_map_no_alloc(arg, argsize); if (desc == NULL) return -EINVAL; rc = xencomm_arch_hypercall_memory_op(cmd, desc); switch (cmd) { case XENMEM_increase_reservation: case XENMEM_decrease_reservation: case XENMEM_populate_physmap: set_xen_guest_handle(xmr->extent_start, xen_guest_handle(extent_start_va[0])); break; } return rc; }
int xencomm_hypercall_console_io(int cmd, int count, char *str) { /* xen early printk uses console io hypercall before * xencomm initialization. In that case, we just ignore it. */ if (!xencomm_is_initialized()) return 0; return xencomm_arch_hypercall_console_io (cmd, count, xencomm_map_no_alloc(str, count)); }
long xencomm_hypercall_vcpu_op(int cmd, int cpu, void *arg) { unsigned int argsize; switch (cmd) { case VCPUOP_register_runstate_memory_area: { struct vcpu_register_runstate_memory_area *area = (struct vcpu_register_runstate_memory_area *)arg; argsize = sizeof(*arg); set_xen_guest_handle(area->addr.h, (void *)xencomm_map_no_alloc(area->addr.v, sizeof(area->addr.v))); break; } default: printk(KERN_DEBUG "%s: unknown vcpu op %d\n", __func__, cmd); return -ENOSYS; } return xencomm_arch_hypercall_vcpu_op(cmd, cpu, xencomm_map_no_alloc(arg, argsize)); }
int xencomm_hypercall_sched_op(int cmd, void *arg) { struct xencomm_handle *desc; unsigned int argsize; switch (cmd) { case SCHEDOP_yield: case SCHEDOP_block: argsize = 0; break; case SCHEDOP_shutdown: argsize = sizeof(struct sched_shutdown); break; case SCHEDOP_poll: { struct sched_poll *poll = arg; struct xencomm_handle *ports; argsize = sizeof(struct sched_poll); ports = xencomm_map_no_alloc(xen_guest_handle(poll->ports), sizeof(*xen_guest_handle(poll->ports))); set_xen_guest_handle(poll->ports, (void *)ports); break; } default: printk(KERN_DEBUG "%s: unknown sched op %d\n", __func__, cmd); return -ENOSYS; } desc = xencomm_map_no_alloc(arg, argsize); if (desc == NULL) return -EINVAL; return xencomm_arch_hypercall_sched_op(cmd, desc); }
int xencomm_hypercall_multicall(void *call_list, int nr_calls) { int rc; int i; struct multicall_entry *mce; struct xencomm_handle *desc; XENCOMM_MINI_ALIGNED(xc_area, nr_calls * 2); for (i = 0; i < nr_calls; i++) { mce = (struct multicall_entry *)call_list + i; switch (mce->op) { case __HYPERVISOR_update_va_mapping: case __HYPERVISOR_mmu_update: /* No-op on ia64. */ break; case __HYPERVISOR_grant_table_op: rc = xencommize_grant_table_op (&xc_area, mce->args[0], (void *)mce->args[1], mce->args[2], &desc); if (rc) return rc; mce->args[1] = (unsigned long)desc; break; case __HYPERVISOR_memory_op: default: printk(KERN_DEBUG "%s: unhandled multicall op entry op %lu\n", __func__, mce->op); return -ENOSYS; } } desc = xencomm_map_no_alloc(call_list, nr_calls * sizeof(struct multicall_entry)); if (desc == NULL) return -EINVAL; return xencomm_arch_hypercall_multicall(desc, nr_calls); }
int xencomm_hypercall_callback_op(int cmd, void *arg) { unsigned int argsize; switch (cmd) { case CALLBACKOP_register: argsize = sizeof(struct callback_register); break; case CALLBACKOP_unregister: argsize = sizeof(struct callback_unregister); break; default: printk(KERN_DEBUG "%s: unknown callback op %d\n", __func__, cmd); return -ENOSYS; } return xencomm_arch_hypercall_callback_op (cmd, xencomm_map_no_alloc(arg, argsize)); }
int xencomm_hypercall_xen_version(int cmd, void *arg) { struct xencomm_handle *desc; unsigned int argsize; switch (cmd) { case XENVER_version: /* do not actually pass an argument */ return xencomm_arch_hypercall_xen_version(cmd, 0); case XENVER_extraversion: argsize = sizeof(struct xen_extraversion); break; case XENVER_compile_info: argsize = sizeof(struct xen_compile_info); break; case XENVER_capabilities: argsize = sizeof(struct xen_capabilities_info); break; case XENVER_changeset: argsize = sizeof(struct xen_changeset_info); break; case XENVER_platform_parameters: argsize = sizeof(struct xen_platform_parameters); break; case XENVER_get_features: argsize = (arg == NULL) ? 0 : sizeof(struct xen_feature_info); break; default: printk(KERN_DEBUG "%s: unknown version op %d\n", __func__, cmd); return -ENOSYS; } desc = xencomm_map_no_alloc(arg, argsize); if (desc == NULL) return -EINVAL; return xencomm_arch_hypercall_xen_version(cmd, desc); }
int HYPERVISOR_grant_table_op(unsigned int cmd, void *op, unsigned int count) { void *desc; void *frame_list = NULL; int argsize; int ret = -ENOMEM; switch (cmd) { case GNTTABOP_map_grant_ref: argsize = sizeof(struct gnttab_map_grant_ref); break; case GNTTABOP_unmap_grant_ref: gnttab_pre_unmap_grant_ref(op, count); argsize = sizeof(struct gnttab_unmap_grant_ref); break; case GNTTABOP_setup_table: { struct gnttab_setup_table setup; memcpy(&setup, op, sizeof(setup)); argsize = sizeof(setup); frame_list = xencomm_map( xen_guest_handle(setup.frame_list), (sizeof(*xen_guest_handle(setup.frame_list)) * setup.nr_frames)); if (frame_list == NULL) return -ENOMEM; set_xen_guest_handle(setup.frame_list, frame_list); memcpy(op, &setup, sizeof(setup)); } break; case GNTTABOP_dump_table: argsize = sizeof(struct gnttab_dump_table); break; case GNTTABOP_transfer: BUG(); argsize = sizeof(struct gnttab_transfer); break; case GNTTABOP_copy: argsize = sizeof(struct gnttab_transfer); break; case GNTTABOP_query_size: argsize = sizeof(struct gnttab_query_size); break; default: printk(KERN_EMERG "%s: unknown grant table op %d\n", __func__, cmd); return -ENOSYS; } desc = xencomm_map_no_alloc(op, argsize); if (desc) { ret = plpar_hcall_norets(XEN_MARK(__HYPERVISOR_grant_table_op), cmd, desc, count); if (!ret && cmd == GNTTABOP_map_grant_ref) gnttab_post_map_grant_ref(op, count); xencomm_free(desc); } xencomm_free(frame_list); return ret; }