int xc_kexec_exec(xc_interface *xch, int type)
{
DECLARE_HYPERCALL;
DECLARE_HYPERCALL_BUFFER(xen_kexec_exec_t, exec);
int ret = -1;
exec = xc_hypercall_buffer_alloc(xch, exec, sizeof(*exec));
if ( exec == NULL )
{
PERROR("Count not alloc bounce buffer for kexec_exec hypercall");
goto out;
}
exec->type = type;
hypercall.op = __HYPERVISOR_kexec_op;
hypercall.arg[0] = KEXEC_CMD_kexec;
hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(exec);
ret = do_xen_hypercall(xch, &hypercall);
out:
xc_hypercall_buffer_free(xch, exec);
return ret;
}
int xc_kexec_unload(xc_interface *xch, int type)
{
DECLARE_HYPERCALL;
DECLARE_HYPERCALL_BUFFER(xen_kexec_unload_t, unload);
int ret = -1;
unload = xc_hypercall_buffer_alloc(xch, unload, sizeof(*unload));
if ( unload == NULL )
{
PERROR("Count not alloc buffer for kexec unload hypercall");
goto out;
}
unload->type = type;
hypercall.op = __HYPERVISOR_kexec_op;
hypercall.arg[0] = KEXEC_CMD_kexec_unload;
hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(unload);
ret = do_xen_hypercall(xch, &hypercall);
out:
xc_hypercall_buffer_free(xch, unload);
return ret;
}
int xc_hvm_track_dirty_vram(
xc_interface *xch, domid_t dom,
uint64_t first_pfn, uint64_t nr,
unsigned long *dirty_bitmap)
{
DECLARE_HYPERCALL_BOUNCE(dirty_bitmap, (nr+7) / 8, XC_HYPERCALL_BUFFER_BOUNCE_OUT);
DECLARE_HYPERCALL_BUFFER(struct xen_hvm_track_dirty_vram, arg);
int rc;
arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
if ( arg == NULL || xc_hypercall_bounce_pre(xch, dirty_bitmap) )
{
PERROR("Could not bounce memory for xc_hvm_track_dirty_vram hypercall");
rc = -1;
goto out;
}
arg->domid = dom;
arg->first_pfn = first_pfn;
arg->nr = nr;
set_xen_guest_handle(arg->dirty_bitmap, dirty_bitmap);
rc = xencall2(xch->xcall, __HYPERVISOR_hvm_op,
HVMOP_track_dirty_vram,
HYPERCALL_BUFFER_AS_ARG(arg));
out:
xc_hypercall_buffer_free(xch, arg);
xc_hypercall_bounce_post(xch, dirty_bitmap);
return rc;
}
int xc_domain_shutdown(xc_interface *xch,
uint32_t domid,
int reason)
{
int ret = -1;
DECLARE_HYPERCALL;
DECLARE_HYPERCALL_BUFFER(sched_remote_shutdown_t, arg);
arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
if ( arg == NULL )
{
PERROR("Could not allocate memory for xc_domain_shutdown hypercall");
goto out1;
}
hypercall.op = __HYPERVISOR_sched_op;
hypercall.arg[0] = (unsigned long)SCHEDOP_remote_shutdown;
hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(arg);
arg->domain_id = domid;
arg->reason = reason;
ret = do_xen_hypercall(xch, &hypercall);
xc_hypercall_buffer_free(xch, arg);
out1:
return ret;
}
int xc_hvm_set_pci_link_route(
xc_interface *xch, domid_t dom, uint8_t link, uint8_t isa_irq)
{
DECLARE_HYPERCALL_BUFFER(struct xen_hvm_set_pci_link_route, arg);
int rc;
arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
if ( arg == NULL )
{
PERROR("Could not allocate memory for xc_hvm_set_pci_link_route hypercall");
return -1;
}
arg->domid = dom;
arg->link = link;
arg->isa_irq = isa_irq;
rc = xencall2(xch->xcall, __HYPERVISOR_hvm_op,
HVMOP_set_pci_link_route,
HYPERCALL_BUFFER_AS_ARG(arg));
xc_hypercall_buffer_free(xch, arg);
return rc;
}
int xc_hvm_inject_msi(
xc_interface *xch, domid_t dom, uint64_t addr, uint32_t data)
{
DECLARE_HYPERCALL_BUFFER(struct xen_hvm_inject_msi, arg);
int rc;
arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
if ( arg == NULL )
{
PERROR("Could not allocate memory for xc_hvm_inject_msi hypercall");
return -1;
}
arg->domid = dom;
arg->addr = addr;
arg->data = data;
rc = xencall2(xch->xcall, __HYPERVISOR_hvm_op,
HVMOP_inject_msi,
HYPERCALL_BUFFER_AS_ARG(arg));
xc_hypercall_buffer_free(xch, arg);
return rc;
}
int xc_kexec_get_range(xc_interface *xch, int range, int nr,
uint64_t *size, uint64_t *start)
{
DECLARE_HYPERCALL_BUFFER(xen_kexec_range_t, get_range);
int ret = -1;
get_range = xc_hypercall_buffer_alloc(xch, get_range, sizeof(*get_range));
if ( get_range == NULL )
{
PERROR("Could not alloc bounce buffer for kexec_get_range hypercall");
goto out;
}
get_range->range = range;
get_range->nr = nr;
ret = xencall2(xch->xcall, __HYPERVISOR_kexec_op,
KEXEC_CMD_kexec_get_range,
HYPERCALL_BUFFER_AS_ARG(get_range));
*size = get_range->size;
*start = get_range->start;
out:
xc_hypercall_buffer_free(xch, get_range);
return ret;
}
int xc_hvm_set_isa_irq_level(
xc_interface *xch, domid_t dom,
uint8_t isa_irq,
unsigned int level)
{
DECLARE_HYPERCALL_BUFFER(struct xen_hvm_set_isa_irq_level, arg);
int rc;
arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
if ( arg == NULL )
{
PERROR("Could not allocate memory for xc_hvm_set_isa_irq_level hypercall");
return -1;
}
arg->domid = dom;
arg->isa_irq = isa_irq;
arg->level = level;
rc = xencall2(xch->xcall, __HYPERVISOR_hvm_op,
HVMOP_set_isa_irq_level,
HYPERCALL_BUFFER_AS_ARG(arg));
xc_hypercall_buffer_free(xch, arg);
return rc;
}
static xen_pfn_t xc_dom_gnttab_setup(xc_interface *xch, domid_t domid)
{
gnttab_setup_table_t setup;
DECLARE_HYPERCALL_BUFFER(xen_pfn_t, gmfnp);
int rc;
xen_pfn_t gmfn;
gmfnp = xc_hypercall_buffer_alloc(xch, gmfnp, sizeof(*gmfnp));
if (gmfnp == NULL)
return -1;
setup.dom = domid;
setup.nr_frames = 1;
set_xen_guest_handle(setup.frame_list, gmfnp);
setup.status = 0;
rc = xc_gnttab_op(xch, GNTTABOP_setup_table, &setup, sizeof(setup), 1);
gmfn = *gmfnp;
xc_hypercall_buffer_free(xch, gmfnp);
if ( rc != 0 || setup.status != GNTST_okay )
{
xc_dom_panic(xch, XC_INTERNAL_ERROR,
"%s: failed to setup domU grant table "
"[errno=%d, status=%" PRId16 "]\n",
__FUNCTION__, rc != 0 ? errno : 0, setup.status);
return -1;
}
return gmfn;
}
int xc_hvm_inject_trap(
xc_interface *xch, domid_t dom, int vcpu, uint32_t vector,
uint32_t type, uint32_t error_code, uint32_t insn_len,
uint64_t cr2)
{
DECLARE_HYPERCALL_BUFFER(struct xen_hvm_inject_trap, arg);
int rc;
arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
if ( arg == NULL )
{
PERROR("Could not allocate memory for xc_hvm_inject_trap hypercall");
return -1;
}
arg->domid = dom;
arg->vcpuid = vcpu;
arg->vector = vector;
arg->type = type;
arg->error_code = error_code;
arg->insn_len = insn_len;
arg->cr2 = cr2;
rc = xencall2(xch->xcall, __HYPERVISOR_hvm_op,
HVMOP_inject_trap,
HYPERCALL_BUFFER_AS_ARG(arg));
xc_hypercall_buffer_free(xch, arg);
return rc;
}
int xc_hvm_set_mem_type(
xc_interface *xch, domid_t dom, hvmmem_type_t mem_type, uint64_t first_pfn, uint64_t nr)
{
DECLARE_HYPERCALL_BUFFER(struct xen_hvm_set_mem_type, arg);
int rc;
arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
if ( arg == NULL )
{
PERROR("Could not allocate memory for xc_hvm_set_mem_type hypercall");
return -1;
}
arg->domid = dom;
arg->hvmmem_type = mem_type;
arg->first_pfn = first_pfn;
arg->nr = nr;
rc = xencall2(xch->xcall, __HYPERVISOR_hvm_op,
HVMOP_set_mem_type,
HYPERCALL_BUFFER_AS_ARG(arg));
xc_hypercall_buffer_free(xch, arg);
return rc;
}
int xc_watchdog(xc_interface *xch,
uint32_t id,
uint32_t timeout)
{
int ret = -1;
DECLARE_HYPERCALL;
DECLARE_HYPERCALL_BUFFER(sched_watchdog_t, arg);
arg = xc_hypercall_buffer_alloc(xch, arg, sizeof(*arg));
if ( arg == NULL )
{
PERROR("Could not allocate memory for xc_watchdog hypercall");
goto out1;
}
hypercall.op = __HYPERVISOR_sched_op;
hypercall.arg[0] = (unsigned long)SCHEDOP_watchdog;
hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(arg);
arg->id = id;
arg->timeout = timeout;
ret = do_xen_hypercall(xch, &hypercall);
xc_hypercall_buffer_free(xch, arg);
out1:
return ret;
}
int xc_domain_get_tsc_info(xc_interface *xch,
uint32_t domid,
uint32_t *tsc_mode,
uint64_t *elapsed_nsec,
uint32_t *gtsc_khz,
uint32_t *incarnation)
{
int rc;
DECLARE_DOMCTL;
DECLARE_HYPERCALL_BUFFER(xen_guest_tsc_info_t, info);
info = xc_hypercall_buffer_alloc(xch, info, sizeof(*info));
if ( info == NULL )
return -ENOMEM;
domctl.cmd = XEN_DOMCTL_gettscinfo;
domctl.domain = (domid_t)domid;
set_xen_guest_handle(domctl.u.tsc_info.out_info, info);
rc = do_domctl(xch, &domctl);
if ( rc == 0 )
{
*tsc_mode = info->tsc_mode;
*elapsed_nsec = info->elapsed_nsec;
*gtsc_khz = info->gtsc_khz;
*incarnation = info->incarnation;
}
xc_hypercall_buffer_free(xch, info);
return rc;
}
int xc_tbuf_set_cpu_mask(xc_interface *xch, uint32_t mask)
{
DECLARE_SYSCTL;
DECLARE_HYPERCALL_BUFFER(uint8_t, bytemap);
int ret = -1;
uint64_t mask64 = mask;
bytemap = xc_hypercall_buffer_alloc(xch, bytemap, sizeof(mask64));
if (bytemap == NULL)
{
PERROR("Could not allocate memory for xc_tbuf_set_cpu_mask hypercall");
goto out;
}
sysctl.cmd = XEN_SYSCTL_tbuf_op;
sysctl.interface_version = XEN_SYSCTL_INTERFACE_VERSION;
sysctl.u.tbuf_op.cmd = XEN_SYSCTL_TBUFOP_set_cpu_mask;
bitmap_64_to_byte(bytemap, &mask64, sizeof (mask64) * 8);
set_xen_guest_handle(sysctl.u.tbuf_op.cpu_mask.bitmap, bytemap);
sysctl.u.tbuf_op.cpu_mask.nr_cpus = sizeof(bytemap) * 8;
ret = do_sysctl(xch, &sysctl);
xc_hypercall_buffer_free(xch, bytemap);
out:
return ret;
}
void cpu_topology_func(int argc, char *argv[])
{
DECLARE_HYPERCALL_BUFFER(uint32_t, cpu_to_core);
DECLARE_HYPERCALL_BUFFER(uint32_t, cpu_to_socket);
DECLARE_HYPERCALL_BUFFER(uint32_t, cpu_to_node);
xc_topologyinfo_t info = { 0 };
int i;
cpu_to_core = xc_hypercall_buffer_alloc(xc_handle, cpu_to_core, sizeof(*cpu_to_core) * MAX_NR_CPU);
cpu_to_socket = xc_hypercall_buffer_alloc(xc_handle, cpu_to_socket, sizeof(*cpu_to_socket) * MAX_NR_CPU);
cpu_to_node = xc_hypercall_buffer_alloc(xc_handle, cpu_to_node, sizeof(*cpu_to_node) * MAX_NR_CPU);
if ( cpu_to_core == NULL || cpu_to_socket == NULL || cpu_to_node == NULL )
{
fprintf(stderr, "failed to allocate hypercall buffers\n");
goto out;
}
set_xen_guest_handle(info.cpu_to_core, cpu_to_core);
set_xen_guest_handle(info.cpu_to_socket, cpu_to_socket);
set_xen_guest_handle(info.cpu_to_node, cpu_to_node);
info.max_cpu_index = MAX_NR_CPU-1;
if ( xc_topologyinfo(xc_handle, &info) )
{
printf("Can not get Xen CPU topology: %d\n", errno);
goto out;
}
if ( info.max_cpu_index > (MAX_NR_CPU-1) )
info.max_cpu_index = MAX_NR_CPU-1;
printf("CPU\tcore\tsocket\tnode\n");
for ( i = 0; i <= info.max_cpu_index; i++ )
{
if ( cpu_to_core[i] == INVALID_TOPOLOGY_ID )
continue;
printf("CPU%d\t %d\t %d\t %d\n",
i, cpu_to_core[i], cpu_to_socket[i], cpu_to_node[i]);
}
out:
xc_hypercall_buffer_free(xc_handle, cpu_to_core);
xc_hypercall_buffer_free(xc_handle, cpu_to_socket);
xc_hypercall_buffer_free(xc_handle, cpu_to_node);
}
xc_cpupoolinfo_t *xc_cpupool_getinfo(xc_interface *xch,
uint32_t poolid)
{
int err = 0;
xc_cpupoolinfo_t *info = NULL;
int local_size;
DECLARE_SYSCTL;
DECLARE_HYPERCALL_BUFFER(uint8_t, local);
local_size = xc_get_cpumap_size(xch);
if (local_size <= 0)
{
PERROR("Could not get number of cpus");
return NULL;
}
local = xc_hypercall_buffer_alloc(xch, local, local_size);
if ( local == NULL ) {
PERROR("Could not allocate locked memory for xc_cpupool_getinfo");
return NULL;
}
sysctl.cmd = XEN_SYSCTL_cpupool_op;
sysctl.u.cpupool_op.op = XEN_SYSCTL_CPUPOOL_OP_INFO;
sysctl.u.cpupool_op.cpupool_id = poolid;
set_xen_guest_handle(sysctl.u.cpupool_op.cpumap.bitmap, local);
sysctl.u.cpupool_op.cpumap.nr_bits = local_size * 8;
err = do_sysctl_save(xch, &sysctl);
if ( err < 0 )
goto out;
info = calloc(1, sizeof(xc_cpupoolinfo_t));
if ( !info )
goto out;
info->cpumap = xc_cpumap_alloc(xch);
if (!info->cpumap) {
free(info);
info = NULL;
goto out;
}
info->cpupool_id = sysctl.u.cpupool_op.cpupool_id;
info->sched_id = sysctl.u.cpupool_op.sched_id;
info->n_dom = sysctl.u.cpupool_op.n_dom;
memcpy(info->cpumap, local, local_size);
out:
xc_hypercall_buffer_free(xch, local);
return info;
}
int xc_livepatch_upload(xc_interface *xch,
char *name,
unsigned char *payload,
uint32_t size)
{
int rc;
DECLARE_SYSCTL;
DECLARE_HYPERCALL_BUFFER(char, local);
DECLARE_HYPERCALL_BOUNCE(name, 0 /* later */, XC_HYPERCALL_BUFFER_BOUNCE_IN);
xen_livepatch_name_t def_name = { .pad = { 0, 0, 0 } };
if ( !name || !payload )
{
errno = EINVAL;
return -1;
}
def_name.size = strlen(name) + 1;
if ( def_name.size > XEN_LIVEPATCH_NAME_SIZE )
{
errno = EINVAL;
return -1;
}
HYPERCALL_BOUNCE_SET_SIZE(name, def_name.size);
if ( xc_hypercall_bounce_pre(xch, name) )
return -1;
local = xc_hypercall_buffer_alloc(xch, local, size);
if ( !local )
{
xc_hypercall_bounce_post(xch, name);
return -1;
}
memcpy(local, payload, size);
sysctl.cmd = XEN_SYSCTL_livepatch_op;
sysctl.u.livepatch.cmd = XEN_SYSCTL_LIVEPATCH_UPLOAD;
sysctl.u.livepatch.pad = 0;
sysctl.u.livepatch.u.upload.size = size;
set_xen_guest_handle(sysctl.u.livepatch.u.upload.payload, local);
sysctl.u.livepatch.u.upload.name = def_name;
set_xen_guest_handle(sysctl.u.livepatch.u.upload.name.name, name);
rc = do_sysctl(xch, &sysctl);
xc_hypercall_buffer_free(xch, local);
xc_hypercall_bounce_post(xch, name);
return rc;
}
int xc_vcpu_setaffinity(xc_interface *xch,
uint32_t domid,
int vcpu,
xc_cpumap_t cpumap)
{
DECLARE_DOMCTL;
DECLARE_HYPERCALL_BUFFER(uint8_t, local);
int ret = -1;
int cpusize;
cpusize = xc_get_cpumap_size(xch);
if (!cpusize)
{
PERROR("Could not get number of cpus");
goto out;
}
local = xc_hypercall_buffer_alloc(xch, local, cpusize);
if ( local == NULL )
{
PERROR("Could not allocate memory for setvcpuaffinity domctl hypercall");
goto out;
}
domctl.cmd = XEN_DOMCTL_setvcpuaffinity;
domctl.domain = (domid_t)domid;
domctl.u.vcpuaffinity.vcpu = vcpu;
memcpy(local, cpumap, cpusize);
set_xen_guest_handle(domctl.u.vcpuaffinity.cpumap.bitmap, local);
domctl.u.vcpuaffinity.cpumap.nr_cpus = cpusize * 8;
ret = do_domctl(xch, &domctl);
xc_hypercall_buffer_free(xch, local);
out:
return ret;
}
static void gcov_read(const char *fn)
{
struct xen_sysctl sys;
uint32_t total_len;
DECLARE_HYPERCALL_BUFFER(uint8_t, p);
FILE *f;
if (gcov_sysctl(XEN_SYSCTL_GCOV_get_size, &sys, NULL, 0) < 0)
err(1, "getting total length");
total_len = sys.u.gcov_op.size;
/* Shouldn't exceed a few hundred kilobytes */
if (total_len > 8u * 1024u * 1024u)
errx(1, "gcov data too big %u bytes\n", total_len);
p = xc_hypercall_buffer_alloc(xch, p, total_len);
if (!p)
err(1, "allocating buffer");
memset(p, 0, total_len);
if (gcov_sysctl(XEN_SYSCTL_GCOV_read, &sys, HYPERCALL_BUFFER(p),
total_len) < 0)
err(1, "getting gcov data");
if (!strcmp(fn, "-"))
f = stdout;
else
f = fopen(fn, "w");
if (!f)
err(1, "opening output file");
if (fwrite(p, 1, total_len, f) != total_len)
err(1, "writing gcov data to file");
if (f != stdout)
fclose(f);
xc_hypercall_buffer_free(xch, p);
}
int xc_kexec_load(xc_interface *xch, uint8_t type, uint16_t arch,
uint64_t entry_maddr,
uint32_t nr_segments, xen_kexec_segment_t *segments)
{
int ret = -1;
DECLARE_HYPERCALL;
DECLARE_HYPERCALL_BOUNCE(segments, sizeof(*segments) * nr_segments,
XC_HYPERCALL_BUFFER_BOUNCE_IN);
DECLARE_HYPERCALL_BUFFER(xen_kexec_load_t, load);
if ( xc_hypercall_bounce_pre(xch, segments) )
{
PERROR("Could not allocate bounce buffer for kexec load hypercall");
goto out;
}
load = xc_hypercall_buffer_alloc(xch, load, sizeof(*load));
if ( load == NULL )
{
PERROR("Could not allocate buffer for kexec load hypercall");
goto out;
}
load->type = type;
load->arch = arch;
load->entry_maddr = entry_maddr;
load->nr_segments = nr_segments;
set_xen_guest_handle(load->segments.h, segments);
hypercall.op = __HYPERVISOR_kexec_op;
hypercall.arg[0] = KEXEC_CMD_kexec_load;
hypercall.arg[1] = HYPERCALL_BUFFER_AS_ARG(load);
ret = do_xen_hypercall(xch, &hypercall);
out:
xc_hypercall_buffer_free(xch, load);
xc_hypercall_bounce_post(xch, segments);
return ret;
}
xc_cpumap_t xc_cpupool_freeinfo(xc_interface *xch)
{
int err = -1;
xc_cpumap_t cpumap = NULL;
int mapsize;
DECLARE_SYSCTL;
DECLARE_HYPERCALL_BUFFER(uint8_t, local);
mapsize = xc_get_cpumap_size(xch);
if (mapsize <= 0)
return NULL;
local = xc_hypercall_buffer_alloc(xch, local, mapsize);
if ( local == NULL ) {
PERROR("Could not allocate locked memory for xc_cpupool_freeinfo");
return NULL;
}
sysctl.cmd = XEN_SYSCTL_cpupool_op;
sysctl.u.cpupool_op.op = XEN_SYSCTL_CPUPOOL_OP_FREEINFO;
set_xen_guest_handle(sysctl.u.cpupool_op.cpumap.bitmap, local);
sysctl.u.cpupool_op.cpumap.nr_bits = mapsize * 8;
err = do_sysctl_save(xch, &sysctl);
if ( err < 0 )
goto out;
cpumap = xc_cpumap_alloc(xch);
if (cpumap == NULL)
goto out;
memcpy(cpumap, local, mapsize);
out:
xc_hypercall_buffer_free(xch, local);
return cpumap;
}
int xc_kexec_exec(xc_interface *xch, int type)
{
DECLARE_HYPERCALL_BUFFER(xen_kexec_exec_t, exec);
int ret = -1;
exec = xc_hypercall_buffer_alloc(xch, exec, sizeof(*exec));
if ( exec == NULL )
{
PERROR("Could not alloc bounce buffer for kexec_exec hypercall");
goto out;
}
exec->type = type;
ret = xencall2(xch->xcall, __HYPERVISOR_kexec_op,
KEXEC_CMD_kexec,
HYPERCALL_BUFFER_AS_ARG(exec));
out:
xc_hypercall_buffer_free(xch, exec);
return ret;
}
int xc_kexec_unload(xc_interface *xch, int type)
{
DECLARE_HYPERCALL_BUFFER(xen_kexec_unload_t, unload);
int ret = -1;
unload = xc_hypercall_buffer_alloc(xch, unload, sizeof(*unload));
if ( unload == NULL )
{
PERROR("Could not alloc buffer for kexec unload hypercall");
goto out;
}
unload->type = type;
ret = xencall2(xch->xcall, __HYPERVISOR_kexec_op,
KEXEC_CMD_kexec_unload,
HYPERCALL_BUFFER_AS_ARG(unload));
out:
xc_hypercall_buffer_free(xch, unload);
return ret;
}
int xc_dom_boot_image(struct xc_dom_image *dom)
{
DECLARE_HYPERCALL_BUFFER(vcpu_guest_context_any_t, ctxt);
xc_dominfo_t info;
int rc;
ctxt = xc_hypercall_buffer_alloc(dom->xch, ctxt, sizeof(*ctxt));
if ( ctxt == NULL )
return -1;
DOMPRINTF_CALLED(dom->xch);
/* misc stuff*/
if ( (rc = arch_setup_bootearly(dom)) != 0 )
return rc;
/* collect some info */
rc = xc_domain_getinfo(dom->xch, dom->guest_domid, 1, &info);
if ( rc < 0 )
{
xc_dom_panic(dom->xch, XC_INTERNAL_ERROR,
"%s: getdomaininfo failed (rc=%d)", __FUNCTION__, rc);
return rc;
}
if ( rc == 0 || info.domid != dom->guest_domid )
{
xc_dom_panic(dom->xch, XC_INTERNAL_ERROR,
"%s: Huh? No domains found (nr_domains=%d) "
"or domid mismatch (%d != %d)", __FUNCTION__,
rc, info.domid, dom->guest_domid);
return -1;
}
dom->shared_info_mfn = info.shared_info_frame;
/* sanity checks */
if ( !xc_dom_compat_check(dom) )
return -1;
/* initial mm setup */
if ( (rc = xc_dom_update_guest_p2m(dom)) != 0 )
return rc;
if ( dom->arch_hooks->setup_pgtables )
if ( (rc = dom->arch_hooks->setup_pgtables(dom)) != 0 )
return rc;
if ( (rc = clear_page(dom, dom->console_pfn)) != 0 )
return rc;
if ( (rc = clear_page(dom, dom->xenstore_pfn)) != 0 )
return rc;
/* start info page */
if ( dom->arch_hooks->start_info )
dom->arch_hooks->start_info(dom);
/* hypercall page */
if ( (rc = setup_hypercall_page(dom)) != 0 )
return rc;
xc_dom_log_memory_footprint(dom);
/* misc x86 stuff */
if ( (rc = arch_setup_bootlate(dom)) != 0 )
return rc;
/* let the vm run */
memset(ctxt, 0, sizeof(*ctxt));
if ( (rc = dom->arch_hooks->vcpu(dom, ctxt)) != 0 )
return rc;
xc_dom_unmap_all(dom);
rc = launch_vm(dom->xch, dom->guest_domid, ctxt);
xc_hypercall_buffer_free(dom->xch, ctxt);
return rc;
}
int xc_acm_op(xc_interface *xch, int cmd, void *arg, unsigned long arg_size)
{
int ret;
DECLARE_HYPERCALL;
DECLARE_HYPERCALL_BUFFER(struct xen_acmctl, acmctl);
acmctl = xc_hypercall_buffer_alloc(xch, acmctl, sizeof(*acmctl));
if ( acmctl == NULL )
{
PERROR("Could not allocate memory for ACM OP hypercall");
return -EFAULT;
}
switch (cmd) {
case ACMOP_setpolicy: {
struct acm_setpolicy *setpolicy = (struct acm_setpolicy *)arg;
memcpy(&acmctl->u.setpolicy,
setpolicy,
sizeof(struct acm_setpolicy));
}
break;
case ACMOP_getpolicy: {
struct acm_getpolicy *getpolicy = (struct acm_getpolicy *)arg;
memcpy(&acmctl->u.getpolicy,
getpolicy,
sizeof(struct acm_getpolicy));
}
break;
case ACMOP_dumpstats: {
struct acm_dumpstats *dumpstats = (struct acm_dumpstats *)arg;
memcpy(&acmctl->u.dumpstats,
dumpstats,
sizeof(struct acm_dumpstats));
}
break;
case ACMOP_getssid: {
struct acm_getssid *getssid = (struct acm_getssid *)arg;
memcpy(&acmctl->u.getssid,
getssid,
sizeof(struct acm_getssid));
}
break;
case ACMOP_getdecision: {
struct acm_getdecision *getdecision = (struct acm_getdecision *)arg;
memcpy(&acmctl->u.getdecision,
getdecision,
sizeof(struct acm_getdecision));
}
break;
case ACMOP_chgpolicy: {
struct acm_change_policy *change_policy = (struct acm_change_policy *)arg;
memcpy(&acmctl->u.change_policy,
change_policy,
sizeof(struct acm_change_policy));
}
break;
case ACMOP_relabeldoms: {
struct acm_relabel_doms *relabel_doms = (struct acm_relabel_doms *)arg;
memcpy(&acmctl->u.relabel_doms,
relabel_doms,
sizeof(struct acm_relabel_doms));
}
break;
}
acmctl->cmd = cmd;
acmctl->interface_version = ACM_INTERFACE_VERSION;
hypercall.op = __HYPERVISOR_xsm_op;
hypercall.arg[0] = HYPERCALL_BUFFER_AS_ARG(acmctl);
if ( (ret = do_xen_hypercall(xch, &hypercall)) < 0)
{
if ( errno == EACCES )
DPRINTF("acmctl operation failed -- need to"
" rebuild the user-space tool set?\n");
}
switch (cmd) {
case ACMOP_getdecision: {
struct acm_getdecision *getdecision = (struct acm_getdecision *)arg;
memcpy(getdecision,
&acmctl->u.getdecision,
sizeof(struct acm_getdecision));
break;
}
}
xc_hypercall_buffer_free(xch, acmctl);
return ret;
}
static void *_gnttab_map_table(xc_interface *xch, int domid, int *gnt_num)
{
int rc, i;
struct gnttab_query_size query;
struct gnttab_setup_table setup;
DECLARE_HYPERCALL_BUFFER(unsigned long, frame_list);
xen_pfn_t *pfn_list = NULL;
grant_entry_v1_t *gnt = NULL;
if ( !gnt_num )
return NULL;
query.dom = domid;
rc = xc_gnttab_op(xch, GNTTABOP_query_size, &query, sizeof(query), 1);
if ( rc || (query.status != GNTST_okay) )
{
ERROR("Could not query dom's grant size\n", domid);
return NULL;
}
*gnt_num = query.nr_frames * (PAGE_SIZE / sizeof(grant_entry_v1_t) );
frame_list = xc_hypercall_buffer_alloc(xch, frame_list, query.nr_frames * sizeof(unsigned long));
if ( !frame_list )
{
ERROR("Could not allocate frame_list in xc_gnttab_map_table\n");
return NULL;
}
pfn_list = malloc(query.nr_frames * sizeof(xen_pfn_t));
if ( !pfn_list )
{
ERROR("Could not allocate pfn_list in xc_gnttab_map_table\n");
goto err;
}
setup.dom = domid;
setup.nr_frames = query.nr_frames;
set_xen_guest_handle(setup.frame_list, frame_list);
/* XXX Any race with other setup_table hypercall? */
rc = xc_gnttab_op(xch, GNTTABOP_setup_table, &setup, sizeof(setup),
1);
if ( rc || (setup.status != GNTST_okay) )
{
ERROR("Could not get grant table frame list\n");
goto err;
}
for ( i = 0; i < setup.nr_frames; i++ )
pfn_list[i] = frame_list[i];
gnt = xc_map_foreign_pages(xch, domid, PROT_READ, pfn_list,
setup.nr_frames);
if ( !gnt )
{
ERROR("Could not map grant table\n");
goto err;
}
err:
if ( frame_list )
xc_hypercall_buffer_free(xch, frame_list);
if ( pfn_list )
free(pfn_list);
return gnt;
}
int main(int argc, char *argv[])
{
xc_interface *xc_handle;
uint32_t i, j, n;
uint64_t time;
double l, b, sl, sb;
char name[100];
DECLARE_HYPERCALL_BUFFER(xc_lockprof_data_t, data);
if ( (argc > 2) || ((argc == 2) && (strcmp(argv[1], "-r") != 0)) )
{
printf("%s: [-r]\n", argv[0]);
printf("no args: print lock profile data\n");
printf(" -r : reset profile data\n");
return 1;
}
if ( (xc_handle = xc_interface_open(0,0,0)) == 0 )
{
fprintf(stderr, "Error opening xc interface: %d (%s)\n",
errno, strerror(errno));
return 1;
}
if ( argc > 1 )
{
if ( xc_lockprof_reset(xc_handle) != 0 )
{
fprintf(stderr, "Error reseting profile data: %d (%s)\n",
errno, strerror(errno));
return 1;
}
return 0;
}
n = 0;
if ( xc_lockprof_query_number(xc_handle, &n) != 0 )
{
fprintf(stderr, "Error getting number of profile records: %d (%s)\n",
errno, strerror(errno));
return 1;
}
n += 32; /* just to be sure */
data = xc_hypercall_buffer_alloc(xc_handle, data, sizeof(*data) * n);
if ( data == NULL )
{
fprintf(stderr, "Could not allocate buffers: %d (%s)\n",
errno, strerror(errno));
return 1;
}
i = n;
if ( xc_lockprof_query(xc_handle, &i, &time, HYPERCALL_BUFFER(data)) != 0 )
{
fprintf(stderr, "Error getting profile records: %d (%s)\n",
errno, strerror(errno));
return 1;
}
if ( i > n )
{
printf("data incomplete, %d records are missing!\n\n", i - n);
i = n;
}
sl = 0;
sb = 0;
for ( j = 0; j < i; j++ )
{
switch ( data[j].type )
{
case LOCKPROF_TYPE_GLOBAL:
sprintf(name, "global lock %s", data[j].name);
break;
case LOCKPROF_TYPE_PERDOM:
sprintf(name, "domain %d lock %s", data[j].idx, data[j].name);
break;
default:
sprintf(name, "unknown type(%d) %d lock %s", data[j].type,
data[j].idx, data[j].name);
break;
}
l = (double)(data[j].lock_time) / 1E+09;
b = (double)(data[j].block_time) / 1E+09;
sl += l;
sb += b;
printf("%-50s: lock:%12"PRId64"(%20.9fs), "
"block:%12"PRId64"(%20.9fs)\n",
name, data[j].lock_cnt, l, data[j].block_cnt, b);
}
l = (double)time / 1E+09;
printf("total profiling time: %20.9fs\n", l);
printf("total locked time: %20.9fs\n", sl);
printf("total blocked time: %20.9fs\n", sb);
xc_hypercall_buffer_free(xc_handle, data);
return 0;
}
static int xc_resource_op_multi(xc_interface *xch, uint32_t nr_ops, xc_resource_op_t *ops)
{
int rc, i, entries_size;
xc_resource_op_t *op;
multicall_entry_t *call;
DECLARE_HYPERCALL_BUFFER(multicall_entry_t, call_list);
xc_hypercall_buffer_array_t *platform_ops, *entries_list = NULL;
call_list = xc_hypercall_buffer_alloc(xch, call_list,
sizeof(*call_list) * nr_ops);
if ( !call_list )
return -1;
platform_ops = xc_hypercall_buffer_array_create(xch, nr_ops);
if ( !platform_ops )
{
rc = -1;
goto out;
}
entries_list = xc_hypercall_buffer_array_create(xch, nr_ops);
if ( !entries_list )
{
rc = -1;
goto out;
}
for ( i = 0; i < nr_ops; i++ )
{
DECLARE_HYPERCALL_BUFFER(xen_platform_op_t, platform_op);
DECLARE_HYPERCALL_BUFFER(xc_resource_entry_t, entries);
op = ops + i;
platform_op = xc_hypercall_buffer_array_alloc(xch, platform_ops, i,
platform_op, sizeof(xen_platform_op_t));
if ( !platform_op )
{
rc = -1;
goto out;
}
entries_size = sizeof(xc_resource_entry_t) * op->nr_entries;
entries = xc_hypercall_buffer_array_alloc(xch, entries_list, i,
entries, entries_size);
if ( !entries)
{
rc = -1;
goto out;
}
memcpy(entries, op->entries, entries_size);
call = call_list + i;
call->op = __HYPERVISOR_platform_op;
call->args[0] = HYPERCALL_BUFFER_AS_ARG(platform_op);
platform_op->interface_version = XENPF_INTERFACE_VERSION;
platform_op->cmd = XENPF_resource_op;
platform_op->u.resource_op.cpu = op->cpu;
platform_op->u.resource_op.nr_entries = op->nr_entries;
set_xen_guest_handle(platform_op->u.resource_op.entries, entries);
}
rc = do_multicall_op(xch, HYPERCALL_BUFFER(call_list), nr_ops);
for ( i = 0; i < nr_ops; i++ )
{
DECLARE_HYPERCALL_BUFFER(xc_resource_entry_t, entries);
op = ops + i;
call = call_list + i;
op->result = call->result;
entries_size = sizeof(xc_resource_entry_t) * op->nr_entries;
entries = xc_hypercall_buffer_array_get(xch, entries_list, i,
entries, entries_size);
memcpy(op->entries, entries, entries_size);
}
out:
xc_hypercall_buffer_array_destroy(xch, entries_list);
xc_hypercall_buffer_array_destroy(xch, platform_ops);
xc_hypercall_buffer_free(xch, call_list);
return rc;
}
static void signal_int_handler(int signo)
{
int i, j, k;
struct timeval tv;
int cx_cap = 0, px_cap = 0;
DECLARE_HYPERCALL_BUFFER(uint32_t, cpu_to_core);
DECLARE_HYPERCALL_BUFFER(uint32_t, cpu_to_socket);
DECLARE_HYPERCALL_BUFFER(uint32_t, cpu_to_node);
xc_topologyinfo_t info = { 0 };
cpu_to_core = xc_hypercall_buffer_alloc(xc_handle, cpu_to_core, sizeof(*cpu_to_core) * MAX_NR_CPU);
cpu_to_socket = xc_hypercall_buffer_alloc(xc_handle, cpu_to_socket, sizeof(*cpu_to_socket) * MAX_NR_CPU);
cpu_to_node = xc_hypercall_buffer_alloc(xc_handle, cpu_to_node, sizeof(*cpu_to_node) * MAX_NR_CPU);
if ( cpu_to_core == NULL || cpu_to_socket == NULL || cpu_to_node == NULL )
{
fprintf(stderr, "failed to allocate hypercall buffers\n");
goto out;
}
if ( gettimeofday(&tv, NULL) == -1 )
{
fprintf(stderr, "failed to get timeofday\n");
goto out ;
}
usec_end = tv.tv_sec * 1000000UL + tv.tv_usec;
if ( get_cxstat_by_cpuid(xc_handle, 0, NULL) != -ENODEV )
{
cx_cap = 1;
for ( i = 0; i < max_cpu_nr; i++ )
if ( !get_cxstat_by_cpuid(xc_handle, i, &cxstat_end[i]) )
for ( j = 0; j < cxstat_end[i].nr; j++ )
{
int64_t diff = (int64_t)cxstat_end[i].residencies[j] -
(int64_t)cxstat_start[i].residencies[j];
if ( diff >=0 )
sum_cx[i] += diff;
}
}
if ( get_pxstat_by_cpuid(xc_handle, 0, NULL) != -ENODEV )
{
px_cap = 1;
for ( i = 0; i < max_cpu_nr; i++ )
if ( !get_pxstat_by_cpuid(xc_handle, i , &pxstat_end[i]) )
for ( j = 0; j < pxstat_end[i].total; j++ )
sum_px[i] += pxstat_end[i].pt[j].residency -
pxstat_start[i].pt[j].residency;
}
for ( i = 0; i < max_cpu_nr; i++ )
get_avgfreq_by_cpuid(xc_handle, i, &avgfreq[i]);
printf("Elapsed time (ms): %"PRIu64"\n", (usec_end - usec_start) / 1000UL);
for ( i = 0; i < max_cpu_nr; i++ )
{
uint64_t res, triggers;
double avg_res;
printf("\nCPU%d:\tResidency(ms)\t\tAvg Res(ms)\n",i);
if ( cx_cap && sum_cx[i] > 0 )
{
for ( j = 0; j < cxstat_end[i].nr; j++ )
{
int64_t diff = (int64_t)cxstat_end[i].residencies[j] -
(int64_t)cxstat_start[i].residencies[j];
res = ( diff >= 0 ) ? diff : 0;
triggers = cxstat_end[i].triggers[j] -
cxstat_start[i].triggers[j];
/*
* triggers may be zero if the CPU has been in this state for
* the whole sample or if it never entered the state
*/
if ( triggers == 0 && cxstat_end[i].last == j )
avg_res = (double)sum_cx[i]/1000000.0;
else
avg_res = (triggers==0) ? 0: (double)res/triggers/1000000.0;
printf(" C%d\t%"PRIu64"\t(%5.2f%%)\t%.2f\n", j, res/1000000UL,
100 * res / (double)sum_cx[i], avg_res );
}
printf("\n");
}
if ( px_cap && sum_px[i]>0 )
{
for ( j = 0; j < pxstat_end[i].total; j++ )
{
res = pxstat_end[i].pt[j].residency -
pxstat_start[i].pt[j].residency;
printf(" P%d\t%"PRIu64"\t(%5.2f%%)\n", j,
res / 1000000UL, 100UL * res / (double)sum_px[i]);
}
}
if ( px_cap && avgfreq[i] )
printf(" Avg freq\t%d\tKHz\n", avgfreq[i]);
}
set_xen_guest_handle(info.cpu_to_core, cpu_to_core);
set_xen_guest_handle(info.cpu_to_socket, cpu_to_socket);
set_xen_guest_handle(info.cpu_to_node, cpu_to_node);
info.max_cpu_index = MAX_NR_CPU - 1;
if ( cx_cap && !xc_topologyinfo(xc_handle, &info) )
{
uint32_t socket_ids[MAX_NR_CPU];
uint32_t core_ids[MAX_NR_CPU];
uint32_t socket_nr = 0;
uint32_t core_nr = 0;
if ( info.max_cpu_index > MAX_NR_CPU - 1 )
info.max_cpu_index = MAX_NR_CPU - 1;
/* check validity */
for ( i = 0; i <= info.max_cpu_index; i++ )
{
if ( cpu_to_core[i] == INVALID_TOPOLOGY_ID ||
cpu_to_socket[i] == INVALID_TOPOLOGY_ID )
break;
}
if ( i > info.max_cpu_index )
{
/* find socket nr & core nr per socket */
for ( i = 0; i <= info.max_cpu_index; i++ )
{
for ( j = 0; j < socket_nr; j++ )
if ( cpu_to_socket[i] == socket_ids[j] )
break;
if ( j == socket_nr )
{
socket_ids[j] = cpu_to_socket[i];
socket_nr++;
}
for ( j = 0; j < core_nr; j++ )
if ( cpu_to_core[i] == core_ids[j] )
break;
if ( j == core_nr )
{
core_ids[j] = cpu_to_core[i];
core_nr++;
}
}
/* print out CC? and PC? */
for ( i = 0; i < socket_nr; i++ )
{
uint64_t res;
for ( j = 0; j <= info.max_cpu_index; j++ )
{
if ( cpu_to_socket[j] == socket_ids[i] )
break;
}
printf("\nSocket %d\n", socket_ids[i]);
res = cxstat_end[j].pc2 - cxstat_start[j].pc2;
printf("\tPC2\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL,
100UL * res / (double)sum_cx[j]);
res = cxstat_end[j].pc3 - cxstat_start[j].pc3;
printf("\tPC3\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL,
100UL * res / (double)sum_cx[j]);
res = cxstat_end[j].pc6 - cxstat_start[j].pc6;
printf("\tPC6\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL,
100UL * res / (double)sum_cx[j]);
res = cxstat_end[j].pc7 - cxstat_start[j].pc7;
printf("\tPC7\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL,
100UL * res / (double)sum_cx[j]);
for ( k = 0; k < core_nr; k++ )
{
for ( j = 0; j <= info.max_cpu_index; j++ )
{
if ( cpu_to_socket[j] == socket_ids[i] &&
cpu_to_core[j] == core_ids[k] )
break;
}
printf("\t Core %d CPU %d\n", core_ids[k], j);
res = cxstat_end[j].cc3 - cxstat_start[j].cc3;
printf("\t\tCC3\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL,
100UL * res / (double)sum_cx[j]);
res = cxstat_end[j].cc6 - cxstat_start[j].cc6;
printf("\t\tCC6\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL,
100UL * res / (double)sum_cx[j]);
res = cxstat_end[j].cc7 - cxstat_start[j].cc7;
printf("\t\tCC7\t%"PRIu64" ms\t%.2f%%\n", res / 1000000UL,
100UL * res / (double)sum_cx[j]);
}
}
}
}
/* some clean up and then exits */
for ( i = 0; i < 2 * max_cpu_nr; i++ )
{
free(cxstat[i].triggers);
free(cxstat[i].residencies);
free(pxstat[i].trans_pt);
free(pxstat[i].pt);
}
free(cxstat);
free(pxstat);
free(sum);
free(avgfreq);
out:
xc_hypercall_buffer_free(xc_handle, cpu_to_core);
xc_hypercall_buffer_free(xc_handle, cpu_to_socket);
xc_hypercall_buffer_free(xc_handle, cpu_to_node);
xc_interface_close(xc_handle);
exit(0);
}