KVM: s390: provide general purpose guest registers via kvm_run
This patch adds the general purpose registers to the kvm_run structure.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/s390/kvm/diag.c b/arch/s390/kvm/diag.c
index 8943e82..a353f0e 100644
--- a/arch/s390/kvm/diag.c
+++ b/arch/s390/kvm/diag.c
@@ -20,8 +20,8 @@
unsigned long start, end;
unsigned long prefix = vcpu->arch.sie_block->prefix;
- start = vcpu->arch.guest_gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4];
- end = vcpu->arch.guest_gprs[vcpu->arch.sie_block->ipa & 0xf] + 4096;
+ start = vcpu->run->s.regs.gprs[(vcpu->arch.sie_block->ipa & 0xf0) >> 4];
+ end = vcpu->run->s.regs.gprs[vcpu->arch.sie_block->ipa & 0xf] + 4096;
if (start & ~PAGE_MASK || end & ~PAGE_MASK || start > end
|| start < 2 * PAGE_SIZE)
@@ -56,7 +56,7 @@
static int __diag_ipl_functions(struct kvm_vcpu *vcpu)
{
unsigned int reg = vcpu->arch.sie_block->ipa & 0xf;
- unsigned long subcode = vcpu->arch.guest_gprs[reg] & 0xffff;
+ unsigned long subcode = vcpu->run->s.regs.gprs[reg] & 0xffff;
VCPU_EVENT(vcpu, 5, "diag ipl functions, subcode %lx", subcode);
switch (subcode) {
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index 0243454..776ef83 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -36,7 +36,7 @@
useraddr = disp2;
if (base2)
- useraddr += vcpu->arch.guest_gprs[base2];
+ useraddr += vcpu->run->s.regs.gprs[base2];
if (useraddr & 7)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
@@ -75,7 +75,7 @@
useraddr = disp2;
if (base2)
- useraddr += vcpu->arch.guest_gprs[base2];
+ useraddr += vcpu->run->s.regs.gprs[base2];
if (useraddr & 3)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 6962c1b..80b12ba 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -289,7 +289,7 @@
}
vcpu->arch.gmap = vcpu->kvm->arch.gmap;
- vcpu->run->kvm_valid_regs = KVM_SYNC_PREFIX;
+ vcpu->run->kvm_valid_regs = KVM_SYNC_PREFIX | KVM_SYNC_GPRS;
return 0;
}
@@ -428,13 +428,13 @@
int kvm_arch_vcpu_ioctl_set_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{
- memcpy(&vcpu->arch.guest_gprs, ®s->gprs, sizeof(regs->gprs));
+ memcpy(&vcpu->run->s.regs.gprs, ®s->gprs, sizeof(regs->gprs));
return 0;
}
int kvm_arch_vcpu_ioctl_get_regs(struct kvm_vcpu *vcpu, struct kvm_regs *regs)
{
- memcpy(®s->gprs, &vcpu->arch.guest_gprs, sizeof(regs->gprs));
+ memcpy(®s->gprs, &vcpu->run->s.regs.gprs, sizeof(regs->gprs));
return 0;
}
@@ -511,7 +511,7 @@
{
int rc;
- memcpy(&vcpu->arch.sie_block->gg14, &vcpu->arch.guest_gprs[14], 16);
+ memcpy(&vcpu->arch.sie_block->gg14, &vcpu->run->s.regs.gprs[14], 16);
if (need_resched())
schedule();
@@ -528,7 +528,7 @@
local_irq_enable();
VCPU_EVENT(vcpu, 6, "entering sie flags %x",
atomic_read(&vcpu->arch.sie_block->cpuflags));
- rc = sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs);
+ rc = sie64a(vcpu->arch.sie_block, vcpu->run->s.regs.gprs);
if (rc) {
if (kvm_is_ucontrol(vcpu->kvm)) {
rc = SIE_INTERCEPT_UCONTROL;
@@ -544,7 +544,7 @@
kvm_guest_exit();
local_irq_enable();
- memcpy(&vcpu->arch.guest_gprs[14], &vcpu->arch.sie_block->gg14, 16);
+ memcpy(&vcpu->run->s.regs.gprs[14], &vcpu->arch.sie_block->gg14, 16);
return rc;
}
@@ -673,7 +673,7 @@
return -EFAULT;
if (__guestcopy(vcpu, addr + offsetof(struct save_area, gp_regs),
- vcpu->arch.guest_gprs, 128, prefix))
+ vcpu->run->s.regs.gprs, 128, prefix))
return -EFAULT;
if (__guestcopy(vcpu, addr + offsetof(struct save_area, psw),
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 9c83b8a..e5a45db 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -33,7 +33,7 @@
operand2 = disp2;
if (base2)
- operand2 += vcpu->arch.guest_gprs[base2];
+ operand2 += vcpu->run->s.regs.gprs[base2];
/* must be word boundary */
if (operand2 & 3) {
@@ -73,7 +73,7 @@
vcpu->stat.instruction_stpx++;
operand2 = disp2;
if (base2)
- operand2 += vcpu->arch.guest_gprs[base2];
+ operand2 += vcpu->run->s.regs.gprs[base2];
/* must be word boundary */
if (operand2 & 3) {
@@ -105,7 +105,7 @@
vcpu->stat.instruction_stap++;
useraddr = disp2;
if (base2)
- useraddr += vcpu->arch.guest_gprs[base2];
+ useraddr += vcpu->run->s.regs.gprs[base2];
if (useraddr & 1) {
kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
@@ -180,7 +180,7 @@
vcpu->stat.instruction_stidp++;
operand2 = disp2;
if (base2)
- operand2 += vcpu->arch.guest_gprs[base2];
+ operand2 += vcpu->run->s.regs.gprs[base2];
if (operand2 & 7) {
kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
@@ -231,9 +231,9 @@
static int handle_stsi(struct kvm_vcpu *vcpu)
{
- int fc = (vcpu->arch.guest_gprs[0] & 0xf0000000) >> 28;
- int sel1 = vcpu->arch.guest_gprs[0] & 0xff;
- int sel2 = vcpu->arch.guest_gprs[1] & 0xffff;
+ int fc = (vcpu->run->s.regs.gprs[0] & 0xf0000000) >> 28;
+ int sel1 = vcpu->run->s.regs.gprs[0] & 0xff;
+ int sel2 = vcpu->run->s.regs.gprs[1] & 0xffff;
int base2 = vcpu->arch.sie_block->ipb >> 28;
int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16);
u64 operand2;
@@ -244,14 +244,14 @@
operand2 = disp2;
if (base2)
- operand2 += vcpu->arch.guest_gprs[base2];
+ operand2 += vcpu->run->s.regs.gprs[base2];
if (operand2 & 0xfff && fc > 0)
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
switch (fc) {
case 0:
- vcpu->arch.guest_gprs[0] = 3 << 28;
+ vcpu->run->s.regs.gprs[0] = 3 << 28;
vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44);
return 0;
case 1: /* same handling for 1 and 2 */
@@ -280,7 +280,7 @@
}
free_page(mem);
vcpu->arch.sie_block->gpsw.mask &= ~(3ul << 44);
- vcpu->arch.guest_gprs[0] = 0;
+ vcpu->run->s.regs.gprs[0] = 0;
return 0;
out_mem:
free_page(mem);
@@ -332,8 +332,8 @@
int disp1 = (vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16;
int base2 = (vcpu->arch.sie_block->ipb & 0xf000) >> 12;
int disp2 = vcpu->arch.sie_block->ipb & 0x0fff;
- u64 address1 = disp1 + base1 ? vcpu->arch.guest_gprs[base1] : 0;
- u64 address2 = disp2 + base2 ? vcpu->arch.guest_gprs[base2] : 0;
+ u64 address1 = disp1 + base1 ? vcpu->run->s.regs.gprs[base1] : 0;
+ u64 address2 = disp2 + base2 ? vcpu->run->s.regs.gprs[base2] : 0;
struct vm_area_struct *vma;
unsigned long user_address;
diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index 0a7941d..30eb0f7 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -48,7 +48,7 @@
static int __sigp_sense(struct kvm_vcpu *vcpu, u16 cpu_addr,
- unsigned long *reg)
+ u64 *reg)
{
struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
int rc;
@@ -220,7 +220,7 @@
}
static int __sigp_set_prefix(struct kvm_vcpu *vcpu, u16 cpu_addr, u32 address,
- unsigned long *reg)
+ u64 *reg)
{
struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
struct kvm_s390_local_interrupt *li = NULL;
@@ -278,7 +278,7 @@
}
static int __sigp_sense_running(struct kvm_vcpu *vcpu, u16 cpu_addr,
- unsigned long *reg)
+ u64 *reg)
{
int rc;
struct kvm_s390_float_interrupt *fi = &vcpu->kvm->arch.float_int;
@@ -316,7 +316,7 @@
int base2 = vcpu->arch.sie_block->ipb >> 28;
int disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16);
u32 parameter;
- u16 cpu_addr = vcpu->arch.guest_gprs[r3];
+ u16 cpu_addr = vcpu->run->s.regs.gprs[r3];
u8 order_code;
int rc;
@@ -327,18 +327,18 @@
order_code = disp2;
if (base2)
- order_code += vcpu->arch.guest_gprs[base2];
+ order_code += vcpu->run->s.regs.gprs[base2];
if (r1 % 2)
- parameter = vcpu->arch.guest_gprs[r1];
+ parameter = vcpu->run->s.regs.gprs[r1];
else
- parameter = vcpu->arch.guest_gprs[r1 + 1];
+ parameter = vcpu->run->s.regs.gprs[r1 + 1];
switch (order_code) {
case SIGP_SENSE:
vcpu->stat.instruction_sigp_sense++;
rc = __sigp_sense(vcpu, cpu_addr,
- &vcpu->arch.guest_gprs[r1]);
+ &vcpu->run->s.regs.gprs[r1]);
break;
case SIGP_EXTERNAL_CALL:
vcpu->stat.instruction_sigp_external_call++;
@@ -363,12 +363,12 @@
case SIGP_SET_PREFIX:
vcpu->stat.instruction_sigp_prefix++;
rc = __sigp_set_prefix(vcpu, cpu_addr, parameter,
- &vcpu->arch.guest_gprs[r1]);
+ &vcpu->run->s.regs.gprs[r1]);
break;
case SIGP_SENSE_RUNNING:
vcpu->stat.instruction_sigp_sense_running++;
rc = __sigp_sense_running(vcpu, cpu_addr,
- &vcpu->arch.guest_gprs[r1]);
+ &vcpu->run->s.regs.gprs[r1]);
break;
case SIGP_RESTART:
vcpu->stat.instruction_sigp_restart++;
