#include <asm/irq_remapping.h>
#include <asm/hw_irq.h>
#include <asm/apic.h>
+#include <asm/pgtable.h>
#define for_each_ioapic(idx) \
for ((idx) = 0; (idx) < nr_ioapics; (idx)++)
return res;
}
+static void io_apic_set_fixmap(enum fixed_addresses idx, phys_addr_t phys)
+{
+ pgprot_t flags = FIXMAP_PAGE_NOCACHE;
+
+ /*
+ * Ensure fixmaps for IOAPIC MMIO respect memory encryption pgprot
+ * bits, just like normal ioremap():
+ */
+ flags = pgprot_decrypted(flags);
+
+ __set_fixmap(idx, phys, flags);
+}
+
void __init io_apic_init_mappings(void)
{
unsigned long ioapic_phys, idx = FIX_IO_APIC_BASE_0;
__func__, PAGE_SIZE, PAGE_SIZE);
ioapic_phys = __pa(ioapic_phys);
}
- set_fixmap_nocache(idx, ioapic_phys);
+ io_apic_set_fixmap(idx, ioapic_phys);
apic_printk(APIC_VERBOSE, "mapped IOAPIC to %08lx (%08lx)\n",
__fix_to_virt(idx) + (ioapic_phys & ~PAGE_MASK),
ioapic_phys);
ioapics[idx].mp_config.flags = MPC_APIC_USABLE;
ioapics[idx].mp_config.apicaddr = address;
- set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
+ io_apic_set_fixmap(FIX_IO_APIC_BASE_0 + idx, address);
if (bad_ioapic_register(idx)) {
clear_fixmap(FIX_IO_APIC_BASE_0 + idx);
return -ENODEV;