Commit df9c8b75 authored by Jordan Justen's avatar Jordan Justen Committed by Anthony Liguori
Browse files

kvm: add kvm_readonly_mem_enabled 



Signed-off-by: default avatarJordan Justen <jordan.l.justen@intel.com>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Message-id: 1369816047-16384-3-git-send-email-jordan.l.justen@intel.com
Signed-off-by: default avatarAnthony Liguori <aliguori@us.ibm.com>
parent dade922f

include/sysemu/kvm.h

+10 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ extern bool kvm_async_interrupts_allowed; 
extern bool kvm_irqfds_allowed;

extern bool kvm_msi_via_irqfd_allowed;

extern bool kvm_gsi_routing_allowed;

extern bool kvm_readonly_mem_allowed;



#if defined CONFIG_KVM || !defined NEED_CPU_H

#define kvm_enabled()           (kvm_allowed)
@@ -97,6 +98,14 @@ extern bool kvm_gsi_routing_allowed; 
 */

#define kvm_gsi_routing_enabled() (kvm_gsi_routing_allowed)



/**

 * kvm_readonly_mem_enabled:

 *

 * Returns: true if KVM readonly memory is enabled (ie the kernel

 * supports it and we're running in a configuration that permits it).

 */

#define kvm_readonly_mem_enabled() (kvm_readonly_mem_allowed)



#else

#define kvm_enabled()           (0)

#define kvm_irqchip_in_kernel() (false)
@@ -104,6 +113,7 @@ extern bool kvm_gsi_routing_allowed; 
#define kvm_irqfds_enabled() (false)

#define kvm_msi_via_irqfd_enabled() (false)

#define kvm_gsi_routing_allowed() (false)

#define kvm_readonly_mem_enabled() (false)

#endif



struct kvm_run;

kvm-all.c

+6 −0
Original line number Diff line number Diff line
@@ -111,6 +111,7 @@ bool kvm_irqfds_allowed; 
bool kvm_msi_via_irqfd_allowed;

bool kvm_gsi_routing_allowed;

bool kvm_allowed;

bool kvm_readonly_mem_allowed;



static const KVMCapabilityInfo kvm_required_capabilites[] = {

    KVM_CAP_INFO(USER_MEMORY),
@@ -1425,6 +1426,11 @@ int kvm_init(void) 
        s->irq_set_ioctl = KVM_IRQ_LINE_STATUS;

    }



#ifdef KVM_CAP_READONLY_MEM

    kvm_readonly_mem_allowed =

        (kvm_check_extension(s, KVM_CAP_READONLY_MEM) > 0);

#endif



    ret = kvm_arch_init(s);

    if (ret < 0) {

        goto err;

kvm-stub.c

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ bool kvm_irqfds_allowed; 
bool kvm_msi_via_irqfd_allowed;

bool kvm_gsi_routing_allowed;

bool kvm_allowed;

bool kvm_readonly_mem_allowed;



int kvm_init_vcpu(CPUState *cpu)

{