aboutsummaryrefslogtreecommitdiffstats
path: root/tools/libxc/ia64/xc_ia64_linux_restore.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/libxc/ia64/xc_ia64_linux_restore.c')
-rw-r--r--tools/libxc/ia64/xc_ia64_linux_restore.c739
1 files changed, 0 insertions, 739 deletions
diff --git a/tools/libxc/ia64/xc_ia64_linux_restore.c b/tools/libxc/ia64/xc_ia64_linux_restore.c
deleted file mode 100644
index d199cbfac4..0000000000
--- a/tools/libxc/ia64/xc_ia64_linux_restore.c
+++ /dev/null
@@ -1,739 +0,0 @@
-/******************************************************************************
- * xc_ia64_linux_restore.c
- *
- * Restore the state of a Linux session.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Copyright (c) 2003, K A Fraser.
- * Rewritten for ia64 by Tristan Gingold <tristan.gingold@bull.net>
- *
- * Copyright (c) 2007 Isaku Yamahata <yamahata@valinux.co.jp>
- * Use foreign p2m exposure.
- * VTi domain support
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-
-#include "xg_private.h"
-#include "xc_ia64_save_restore.h"
-#include "xc_ia64.h"
-#include "xc_efi.h"
-#include "xen/hvm/params.h"
-
-#define PFN_TO_KB(_pfn) ((_pfn) << (PAGE_SHIFT - 10))
-
-/* number of pfns this guest has (i.e. number of entries in the P2M) */
-static unsigned long p2m_size;
-
-/* number of 'in use' pfns in the guest (i.e. #P2M entries with a valid mfn) */
-static unsigned long nr_pfns;
-
-static int
-populate_page_if_necessary(xc_interface *xch, uint32_t dom, unsigned long gmfn,
- struct xen_ia64_p2m_table *p2m_table)
-{
- if (xc_ia64_p2m_present(p2m_table, gmfn))
- return 0;
-
- return xc_domain_populate_physmap_exact(xch, dom, 1, 0, 0, &gmfn);
-}
-
-static int
-read_page(xc_interface *xch, int io_fd, uint32_t dom, unsigned long pfn)
-{
- void *mem;
-
- mem = xc_map_foreign_range(xch, dom, PAGE_SIZE,
- PROT_READ|PROT_WRITE, pfn);
- if (mem == NULL) {
- ERROR("cannot map page");
- return -1;
- }
- if (read_exact(io_fd, mem, PAGE_SIZE)) {
- ERROR("Error when reading from state file (5)");
- munmap(mem, PAGE_SIZE);
- return -1;
- }
- munmap(mem, PAGE_SIZE);
- return 0;
-}
-
-/*
- * Get the list of PFNs that are not in the psuedo-phys map.
- * Although we allocate pages on demand, balloon driver may
- * decreased simaltenously. So we have to free the freed
- * pages here.
- */
-static int
-xc_ia64_recv_unallocated_list(xc_interface *xch, int io_fd, uint32_t dom,
- struct xen_ia64_p2m_table *p2m_table)
-{
- int rc = -1;
- unsigned int i;
- unsigned int count;
- unsigned long *pfntab = NULL;
- unsigned int nr_frees;
-
- if (read_exact(io_fd, &count, sizeof(count))) {
- ERROR("Error when reading pfn count");
- goto out;
- }
-
- pfntab = malloc(sizeof(unsigned long) * count);
- if (pfntab == NULL) {
- ERROR("Out of memory");
- goto out;
- }
-
- if (read_exact(io_fd, pfntab, sizeof(unsigned long)*count)) {
- ERROR("Error when reading pfntab");
- goto out;
- }
-
- nr_frees = 0;
- for (i = 0; i < count; i++) {
- if (xc_ia64_p2m_allocated(p2m_table, pfntab[i])) {
- pfntab[nr_frees] = pfntab[i];
- nr_frees++;
- }
- }
- if (nr_frees > 0) {
- if (xc_domain_decrease_reservation_exact(xch, dom, nr_frees,
- 0, pfntab) < 0) {
- PERROR("Could not decrease reservation");
- goto out;
- } else
- DPRINTF("Decreased reservation by %d / %d pages\n",
- nr_frees, count);
- }
-
- rc = 0;
-
- out:
- if (pfntab != NULL)
- free(pfntab);
- return rc;
-}
-
-static int
-xc_ia64_recv_vcpu_context(xc_interface *xch, int io_fd, uint32_t dom,
- uint32_t vcpu, vcpu_guest_context_any_t *ctxt_any)
-{
- vcpu_guest_context_t *ctxt = &ctxt_any->c;
- if (read_exact(io_fd, ctxt, sizeof(*ctxt))) {
- ERROR("Error when reading ctxt");
- return -1;
- }
-
- fprintf(stderr, "ip=%016lx, b0=%016lx\n", ctxt->regs.ip, ctxt->regs.b[0]);
-
- /* Initialize and set registers. */
- ctxt->flags = VGCF_EXTRA_REGS | VGCF_SET_CR_IRR | VGCF_online |
- VGCF_SET_AR_ITC;
- if (xc_vcpu_setcontext(xch, dom, vcpu, ctxt_any) != 0) {
- ERROR("Couldn't set vcpu context");
- return -1;
- }
-
- /* Just a check. */
- ctxt->flags = 0;
- if (xc_vcpu_getcontext(xch, dom, vcpu, ctxt_any)) {
- ERROR("Could not get vcpu context");
- return -1;
- }
-
- return 0;
-}
-
-/* Read shared info. */
-static int
-xc_ia64_recv_shared_info(xc_interface *xch, int io_fd, uint32_t dom,
- unsigned long shared_info_frame,
- unsigned long *start_info_pfn)
-{
- unsigned int i;
-
- /* The new domain's shared-info frame. */
- shared_info_t *shared_info;
-
- /* Read shared info. */
- shared_info = xc_map_foreign_range(xch, dom, PAGE_SIZE,
- PROT_READ|PROT_WRITE,
- shared_info_frame);
- if (shared_info == NULL) {
- ERROR("cannot map page");
- return -1;
- }
-
- if (read_exact(io_fd, shared_info, PAGE_SIZE)) {
- ERROR("Error when reading shared_info page");
- munmap(shared_info, PAGE_SIZE);
- return -1;
- }
-
- /* clear any pending events and the selector */
- memset(&(shared_info->evtchn_pending[0]), 0,
- sizeof (shared_info->evtchn_pending));
- for (i = 0; i < XEN_LEGACY_MAX_VCPUS; i++)
- shared_info->vcpu_info[i].evtchn_pending_sel = 0;
-
- if (start_info_pfn != NULL)
- *start_info_pfn = shared_info->arch.start_info_pfn;
-
- munmap (shared_info, PAGE_SIZE);
-
- return 0;
-}
-
-static int
-xc_ia64_recv_vcpumap(xc_interface *xch,
- const xc_dominfo_t *info, int io_fd, uint64_t **vcpumapp)
-{
- uint64_t max_virt_cpus;
- unsigned long vcpumap_size;
- uint64_t *vcpumap = NULL;
-
- *vcpumapp = NULL;
-
- if (read_exact(io_fd, &max_virt_cpus, sizeof(max_virt_cpus))) {
- ERROR("error reading max_virt_cpus");
- return -1;
- }
- if (max_virt_cpus < info->max_vcpu_id) {
- ERROR("too large max_virt_cpus %i < %i\n",
- max_virt_cpus, info->max_vcpu_id);
- return -1;
- }
- vcpumap_size = bitmap_size(max_virt_cpus);
- rc = bitmap_alloc(&vcpumap, max_virt_cpus);
- if (rc < 0) {
- ERROR("memory alloc for vcpumap");
- return rc;
- }
- if (read_exact(io_fd, vcpumap, vcpumap_size)) {
- ERROR("read vcpumap");
- free(vcpumap);
- return -1;
- }
-
- *vcpumapp = vcpumap;
- return 0;
-}
-
-static int
-xc_ia64_pv_recv_vcpu_context(xc_interface *xch, int io_fd, int32_t dom,
- uint32_t vcpu)
-{
- int rc = -1;
-
- /* A copy of the CPU context of the guest. */
- vcpu_guest_context_any_t ctxt_any;
- vcpu_guest_context_t *ctxt = &ctxt_any.c;
-
- if (xc_ia64_recv_vcpu_context(xch, io_fd, dom, vcpu, &ctxt_any))
- goto out;
-
- /* Then get privreg page. */
- if (read_page(xch, io_fd, dom, ctxt->privregs_pfn) < 0) {
- ERROR("Could not read vcpu privregs");
- goto out;
- }
-
- rc = 0;
-
- out:
- return rc;
-}
-
-static int
-xc_ia64_pv_recv_shared_info(xc_interface *xch, int io_fd, int32_t dom,
- unsigned long shared_info_frame,
- struct xen_ia64_p2m_table *p2m_table,
- unsigned int store_evtchn,
- unsigned long *store_mfn,
- unsigned int console_evtchn,
- unsigned long *console_mfn)
-{
- unsigned long gmfn;
-
- /* A temporary mapping of the guest's start_info page. */
- start_info_t *start_info;
-
- /* Read shared info. */
- if (xc_ia64_recv_shared_info(xch, io_fd, dom,
- shared_info_frame, &gmfn))
- return -1;
-
- /* Uncanonicalise the suspend-record frame number and poke resume rec. */
- if (populate_page_if_necessary(xch, dom, gmfn, p2m_table)) {
- ERROR("cannot populate page 0x%lx", gmfn);
- return -1;
- }
- start_info = xc_map_foreign_range(xch, dom, PAGE_SIZE,
- PROT_READ | PROT_WRITE, gmfn);
- if (start_info == NULL) {
- ERROR("cannot map start_info page");
- return -1;
- }
- start_info->nr_pages = p2m_size;
- start_info->shared_info = shared_info_frame << PAGE_SHIFT;
- start_info->flags = 0;
- *store_mfn = start_info->store_mfn;
- start_info->store_evtchn = store_evtchn;
- *console_mfn = start_info->console.domU.mfn;
- start_info->console.domU.evtchn = console_evtchn;
- munmap(start_info, PAGE_SIZE);
-
- return 0;
-}
-
-static int
-xc_ia64_pv_recv_context_ver_one_or_two(xc_interface *xch, int io_fd, uint32_t dom,
- unsigned long shared_info_frame,
- struct xen_ia64_p2m_table *p2m_table,
- unsigned int store_evtchn,
- unsigned long *store_mfn,
- unsigned int console_evtchn,
- unsigned long *console_mfn)
-{
- int rc;
-
- /* vcpu 0 context */
- rc = xc_ia64_pv_recv_vcpu_context(xch, io_fd, dom, 0);
- if (rc)
- return rc;
-
-
- /* shared_info */
- rc = xc_ia64_pv_recv_shared_info(xch, io_fd, dom, shared_info_frame,
- p2m_table, store_evtchn, store_mfn,
- console_evtchn, console_mfn);
- return rc;
-}
-
-static int
-xc_ia64_pv_recv_context_ver_three(xc_interface *xch, int io_fd, uint32_t dom,
- unsigned long shared_info_frame,
- struct xen_ia64_p2m_table *p2m_table,
- unsigned int store_evtchn,
- unsigned long *store_mfn,
- unsigned int console_evtchn,
- unsigned long *console_mfn)
-{
- int rc = -1;
- xc_dominfo_t info;
- unsigned int i;
-
- /* vcpu map */
- uint64_t *vcpumap = NULL;
-
- if (xc_domain_getinfo(xch, dom, 1, &info) != 1) {
- ERROR("Could not get domain info");
- return -1;
- }
- rc = xc_ia64_recv_vcpumap(xch, &info, io_fd, &vcpumap);
- if (rc != 0)
- goto out;
-
- /* vcpu context */
- for (i = 0; i <= info.max_vcpu_id; i++) {
- if (!test_bit(i, vcpumap))
- continue;
-
- rc = xc_ia64_pv_recv_vcpu_context(xch, io_fd, dom, i);
- if (rc != 0)
- goto out;
- }
-
- /* shared_info */
- rc = xc_ia64_pv_recv_shared_info(xch, io_fd, dom, shared_info_frame,
- p2m_table, store_evtchn, store_mfn,
- console_evtchn, console_mfn);
- out:
- if (vcpumap != NULL)
- free(vcpumap);
- return rc;
-}
-
-static int
-xc_ia64_pv_recv_context(unsigned long format_version,
- xc_interface *xch, int io_fd, uint32_t dom,
- unsigned long shared_info_frame,
- struct xen_ia64_p2m_table *p2m_table,
- unsigned int store_evtchn,
- unsigned long *store_mfn,
- unsigned int console_evtchn,
- unsigned long *console_mfn)
-{
- int rc;
- switch (format_version) {
- case XC_IA64_SR_FORMAT_VER_ONE:
- case XC_IA64_SR_FORMAT_VER_TWO:
- rc = xc_ia64_pv_recv_context_ver_one_or_two(xch, io_fd, dom,
- shared_info_frame,
- p2m_table, store_evtchn,
- store_mfn, console_evtchn,
- console_mfn);
- break;
- case XC_IA64_SR_FORMAT_VER_THREE:
- rc = xc_ia64_pv_recv_context_ver_three(xch, io_fd, dom,
- shared_info_frame,
- p2m_table, store_evtchn,
- store_mfn, console_evtchn,
- console_mfn);
- break;
- default:
- ERROR("Unsupported format version");
- rc = -1;
- break;
- }
- return rc;
-}
-
-static int
-xc_ia64_hvm_recv_context(xc_interface *xch, int io_fd, uint32_t dom,
- unsigned long shared_info_frame,
- struct xen_ia64_p2m_table *p2m_table,
- unsigned int store_evtchn, unsigned long *store_mfn,
- unsigned int console_evtchn,
- unsigned long *console_mfn)
-{
- int rc = -1;
- xc_dominfo_t info;
- unsigned int i;
-
- /* cpumap */
- uint64_t *vcpumap = NULL;
-
- /* HVM: magic frames for ioreqs and xenstore comms */
- const int hvm_params[] = {
- HVM_PARAM_STORE_PFN,
- HVM_PARAM_IOREQ_PFN,
- HVM_PARAM_BUFIOREQ_PFN,
- HVM_PARAM_BUFPIOREQ_PFN,
- };
- const int NR_PARAMS = sizeof(hvm_params) / sizeof(hvm_params[0]);
- /* ioreq_pfn, bufioreq_pfn, store_pfn */
- uint64_t magic_pfns[NR_PARAMS];
-
- /* HVM: a buffer for holding HVM contxt */
- uint64_t rec_size = 0;
- uint8_t *hvm_buf = NULL;
-
- /* Read shared info. */
- if (xc_ia64_recv_shared_info(xch, io_fd, dom, shared_info_frame,
- NULL))
- goto out;
-
- /* vcpu map */
- if (xc_domain_getinfo(xch, dom, 1, &info) != 1) {
- ERROR("Could not get domain info");
- goto out;
- }
- if (xc_ia64_recv_vcpumap(xch, &info, io_fd, &vcpumap))
- goto out;
-
- /* vcpu context */
- for (i = 0; i <= info.max_vcpu_id; i++) {
- /* A copy of the CPU context of the guest. */
- vcpu_guest_context_any_t ctxt_any;
-
- if (!test_bit(i, vcpumap))
- continue;
-
- if (xc_ia64_recv_vcpu_context(xch, io_fd, dom, i, &ctxt_any))
- goto out;
-
- /* system context of vcpu is recieved as hvm context. */
- }
-
- /* Set HVM-specific parameters */
- if (read_exact(io_fd, magic_pfns, sizeof(magic_pfns))) {
- ERROR("error reading magic page addresses");
- goto out;
- }
-
- /* These comms pages need to be zeroed at the start of day */
- for (i = 0; i < NR_PARAMS; i++) {
- rc = xc_clear_domain_page(xch, dom, magic_pfns[i]);
- if (rc != 0) {
- ERROR("error zeroing magic pages: %i", rc);
- goto out;
- }
- rc = xc_set_hvm_param(xch, dom, hvm_params[i], magic_pfns[i]);
- if (rc != 0) {
- ERROR("error setting HVM params: %i", rc);
- goto out;
- }
- }
- rc = xc_set_hvm_param(xch, dom,
- HVM_PARAM_STORE_EVTCHN, store_evtchn);
- if (rc != 0) {
- ERROR("error setting HVM params: %i", rc);
- goto out;
- }
- rc = -1;
- *store_mfn = magic_pfns[0];
-
- /* Read HVM context */
- if (read_exact(io_fd, &rec_size, sizeof(rec_size))) {
- ERROR("error read hvm context size!\n");
- goto out;
- }
-
- hvm_buf = malloc(rec_size);
- if (hvm_buf == NULL) {
- ERROR("memory alloc for hvm context buffer failed");
- errno = ENOMEM;
- goto out;
- }
-
- if (read_exact(io_fd, hvm_buf, rec_size)) {
- ERROR("error loading the HVM context");
- goto out;
- }
-
- rc = xc_domain_hvm_setcontext(xch, dom, hvm_buf, rec_size);
- if (rc != 0) {
- ERROR("error setting the HVM context");
- goto out;
- }
-
- rc = 0;
-
-out:
- if (vcpumap != NULL)
- free(vcpumap);
- if (hvm_buf != NULL)
- free(hvm_buf);
- return rc;
-}
-
-/*
- * hvm domain requires IO pages allocated when XEN_DOMCTL_arch_setup
- */
-static int
-xc_ia64_hvm_domain_setup(xc_interface *xch, uint32_t dom)
-{
- int rc;
- xen_pfn_t pfn_list[] = {
- IO_PAGE_START >> PAGE_SHIFT,
- BUFFER_IO_PAGE_START >> PAGE_SHIFT,
- BUFFER_PIO_PAGE_START >> PAGE_SHIFT,
- };
- unsigned long nr_pages = sizeof(pfn_list) / sizeof(pfn_list[0]);
-
- rc = xc_domain_populate_physmap_exact(xch, dom, nr_pages,
- 0, 0, &pfn_list[0]);
- if (rc != 0)
- PERROR("Could not allocate IO page or buffer io page.");
- return rc;
-}
-
-int
-xc_domain_restore(xc_interface *xch, int io_fd, uint32_t dom,
- unsigned int store_evtchn, unsigned long *store_mfn,
- unsigned int console_evtchn, unsigned long *console_mfn,
- unsigned int hvm, unsigned int pae, int superpages,
- int no_incr_generationid,
- unsigned long *vm_generationid_addr)
-{
- DECLARE_DOMCTL;
- int rc = 1;
- unsigned long ver;
-
- /* The new domain's shared-info frame number. */
- unsigned long shared_info_frame;
-
- struct xen_ia64_p2m_table p2m_table;
- xc_ia64_p2m_init(&p2m_table);
-
- /* For info only */
- nr_pfns = 0;
-
- if ( read_exact(io_fd, &p2m_size, sizeof(unsigned long)) )
- {
- ERROR("read: p2m_size");
- goto out;
- }
- DPRINTF("xc_linux_restore start: p2m_size = %lx\n", p2m_size);
-
- if (read_exact(io_fd, &ver, sizeof(unsigned long))) {
- ERROR("Error when reading version");
- goto out;
- }
- if (ver != XC_IA64_SR_FORMAT_VER_ONE &&
- ver != XC_IA64_SR_FORMAT_VER_TWO &&
- ver != XC_IA64_SR_FORMAT_VER_THREE) {
- ERROR("version of save doesn't match");
- goto out;
- }
-
- if (read_exact(io_fd, &domctl.u.arch_setup, sizeof(domctl.u.arch_setup))) {
- ERROR("read: domain setup");
- goto out;
- }
-
- if (hvm && xc_ia64_hvm_domain_setup(xch, dom) != 0)
- goto out;
-
- /* Build firmware (will be overwritten). */
- domctl.domain = (domid_t)dom;
- domctl.u.arch_setup.flags &= ~XEN_DOMAINSETUP_query;
- domctl.u.arch_setup.bp = 0; /* indicate domain restore */
-
- domctl.cmd = XEN_DOMCTL_arch_setup;
- if (xc_domctl(xch, &domctl))
- goto out;
-
- /* Get the domain's shared-info frame. */
- domctl.cmd = XEN_DOMCTL_getdomaininfo;
- domctl.domain = (domid_t)dom;
- if (xc_domctl(xch, &domctl) < 0) {
- ERROR("Could not get information on new domain");
- goto out;
- }
- shared_info_frame = domctl.u.getdomaininfo.shared_info_frame;
-
- if (ver == XC_IA64_SR_FORMAT_VER_THREE ||
- ver == XC_IA64_SR_FORMAT_VER_TWO) {
- unsigned int memmap_info_num_pages;
- unsigned long memmap_size;
- xen_ia64_memmap_info_t *memmap_info;
-
- if (read_exact(io_fd, &memmap_info_num_pages,
- sizeof(memmap_info_num_pages))) {
- ERROR("read: memmap_info_num_pages");
- goto out;
- }
- memmap_size = memmap_info_num_pages * PAGE_SIZE;
- memmap_info = malloc(memmap_size);
- if (memmap_info == NULL) {
- ERROR("Could not allocate memory for memmap_info");
- goto out;
- }
- if (read_exact(io_fd, memmap_info, memmap_size)) {
- ERROR("read: memmap_info");
- goto out;
- }
- if (xc_ia64_p2m_map(&p2m_table, xch,
- dom, memmap_info, IA64_DOM0VP_EFP_ALLOC_PTE)) {
- ERROR("p2m mapping");
- goto out;
- }
- free(memmap_info);
- } else if (ver == XC_IA64_SR_FORMAT_VER_ONE) {
- xen_ia64_memmap_info_t *memmap_info;
- efi_memory_desc_t *memdesc;
- uint64_t buffer[(sizeof(*memmap_info) + sizeof(*memdesc) +
- sizeof(uint64_t) - 1) / sizeof(uint64_t)];
-
- memset(buffer, 0, sizeof(buffer));
- memmap_info = (xen_ia64_memmap_info_t *)buffer;
- memdesc = (efi_memory_desc_t*)&memmap_info->memdesc[0];
- memmap_info->efi_memmap_size = sizeof(*memdesc);
- memmap_info->efi_memdesc_size = sizeof(*memdesc);
- memmap_info->efi_memdesc_version = EFI_MEMORY_DESCRIPTOR_VERSION;
-
- memdesc->type = EFI_MEMORY_DESCRIPTOR_VERSION;
- memdesc->phys_addr = 0;
- memdesc->virt_addr = 0;
- memdesc->num_pages = nr_pfns << (PAGE_SHIFT - EFI_PAGE_SHIFT);
- memdesc->attribute = EFI_MEMORY_WB;
-
- if (xc_ia64_p2m_map(&p2m_table, xch,
- dom, memmap_info, IA64_DOM0VP_EFP_ALLOC_PTE)) {
- ERROR("p2m mapping");
- goto out;
- }
- } else {
- ERROR("unknown version");
- goto out;
- }
-
- DPRINTF("Reloading memory pages: 0%%\n");
-
- while (1) {
- unsigned long gmfn;
- if (read_exact(io_fd, &gmfn, sizeof(unsigned long))) {
- ERROR("Error when reading batch size");
- goto out;
- }
- if (gmfn == INVALID_MFN)
- break;
-
- if (populate_page_if_necessary(xch, dom, gmfn, &p2m_table) < 0) {
- ERROR("can not populate page 0x%lx", gmfn);
- goto out;
- }
- if (read_page(xch, io_fd, dom, gmfn) < 0)
- goto out;
- }
-
- DPRINTF("Received all pages\n");
-
- if (xc_ia64_recv_unallocated_list(xch, io_fd, dom, &p2m_table))
- goto out;
-
- if (!hvm)
- rc = xc_ia64_pv_recv_context(ver,
- xch, io_fd, dom, shared_info_frame,
- &p2m_table, store_evtchn, store_mfn,
- console_evtchn, console_mfn);
- else
- rc = xc_ia64_hvm_recv_context(xch, io_fd, dom, shared_info_frame,
- &p2m_table, store_evtchn, store_mfn,
- console_evtchn, console_mfn);
- if (rc)
- goto out;
-
- /*
- * Safety checking of saved context:
- * 1. user_regs is fine, as Xen checks that on context switch.
- * 2. fpu_ctxt is fine, as it can't hurt Xen.
- * 3. trap_ctxt needs the code selectors checked.
- * 4. ldt base must be page-aligned, no more than 8192 ents, ...
- * 5. gdt already done, and further checking is done by Xen.
- * 6. check that kernel_ss is safe.
- * 7. pt_base is already done.
- * 8. debugregs are checked by Xen.
- * 9. callback code selectors need checking.
- */
- DPRINTF("Domain ready to be built.\n");
-
- rc = 0;
-
- out:
- xc_ia64_p2m_unmap(&p2m_table);
-
- if ((rc != 0) && (dom != 0))
- xc_domain_destroy(xch, dom);
-
- DPRINTF("Restore exit with rc=%d\n", rc);
-
- return rc;
-}
-
-/*
- * Local variables:
- * mode: C
- * c-set-style: "BSD"
- * c-basic-offset: 4
- * tab-width: 4
- * indent-tabs-mode: nil
- * End:
- */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-09 07:01:13 +0000