* memory boundary and map it here.
*/
rdmsrl(MSR_AMD64_SEV_ES_GHCB, ghcb_gpa);
- ghcb_va = memremap(ghcb_gpa, HV_HYP_PAGE_SIZE, MEMREMAP_WB);
+
+ /* Mask out vTOM bit. ioremap_cache() maps decrypted */
+ ghcb_gpa &= ~ms_hyperv.shared_gpa_boundary;
+ ghcb_va = (void *)ioremap_cache(ghcb_gpa, HV_HYP_PAGE_SIZE);
if (!ghcb_va)
return -ENOMEM;
if (hv_ghcb_pg) {
ghcb_va = (void **)this_cpu_ptr(hv_ghcb_pg);
if (*ghcb_va)
- memunmap(*ghcb_va);
+ iounmap(*ghcb_va);
*ghcb_va = NULL;
}
simp.simp_enabled = 1;
if (hv_isolation_type_snp() || hv_root_partition) {
+ /* Mask out vTOM bit. ioremap_cache() maps decrypted */
+ u64 base = (simp.base_simp_gpa << HV_HYP_PAGE_SHIFT) &
+ ~ms_hyperv.shared_gpa_boundary;
hv_cpu->synic_message_page
- = memremap(simp.base_simp_gpa << HV_HYP_PAGE_SHIFT,
- HV_HYP_PAGE_SIZE, MEMREMAP_WB);
+ = (void *)ioremap_cache(base, HV_HYP_PAGE_SIZE);
if (!hv_cpu->synic_message_page)
- pr_err("Fail to map syinc message page.\n");
+ pr_err("Fail to map synic message page.\n");
} else {
simp.base_simp_gpa = virt_to_phys(hv_cpu->synic_message_page)
>> HV_HYP_PAGE_SHIFT;
siefp.siefp_enabled = 1;
if (hv_isolation_type_snp() || hv_root_partition) {
- hv_cpu->synic_event_page =
- memremap(siefp.base_siefp_gpa << HV_HYP_PAGE_SHIFT,
- HV_HYP_PAGE_SIZE, MEMREMAP_WB);
-
+ /* Mask out vTOM bit. ioremap_cache() maps decrypted */
+ u64 base = (siefp.base_siefp_gpa << HV_HYP_PAGE_SHIFT) &
+ ~ms_hyperv.shared_gpa_boundary;
+ hv_cpu->synic_event_page
+ = (void *)ioremap_cache(base, HV_HYP_PAGE_SIZE);
if (!hv_cpu->synic_event_page)
- pr_err("Fail to map syinc event page.\n");
+ pr_err("Fail to map synic event page.\n");
} else {
siefp.base_siefp_gpa = virt_to_phys(hv_cpu->synic_event_page)
>> HV_HYP_PAGE_SHIFT;
*/
simp.simp_enabled = 0;
if (hv_isolation_type_snp() || hv_root_partition) {
- memunmap(hv_cpu->synic_message_page);
+ iounmap(hv_cpu->synic_message_page);
hv_cpu->synic_message_page = NULL;
} else {
simp.base_simp_gpa = 0;
siefp.siefp_enabled = 0;
if (hv_isolation_type_snp() || hv_root_partition) {
- memunmap(hv_cpu->synic_event_page);
+ iounmap(hv_cpu->synic_event_page);
hv_cpu->synic_event_page = NULL;
} else {
siefp.base_siefp_gpa = 0;