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-rw-r--r--arch/s390/kvm/interrupt.c4
-rw-r--r--arch/s390/kvm/pci.c2
-rw-r--r--arch/s390/kvm/vsie.c50
3 files changed, 32 insertions, 24 deletions
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 9250fde1f97d..da6dac36e959 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -305,7 +305,7 @@ static inline u8 gisa_get_ipm_or_restore_iam(struct kvm_s390_gisa_interrupt *gi)
static inline int gisa_in_alert_list(struct kvm_s390_gisa *gisa)
{
- return READ_ONCE(gisa->next_alert) != (u32)(u64)gisa;
+ return READ_ONCE(gisa->next_alert) != (u32)virt_to_phys(gisa);
}
static inline void gisa_set_ipm_gisc(struct kvm_s390_gisa *gisa, u32 gisc)
@@ -3168,7 +3168,7 @@ void kvm_s390_gisa_init(struct kvm *kvm)
hrtimer_init(&gi->timer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
gi->timer.function = gisa_vcpu_kicker;
memset(gi->origin, 0, sizeof(struct kvm_s390_gisa));
- gi->origin->next_alert = (u32)(u64)gi->origin;
+ gi->origin->next_alert = (u32)virt_to_phys(gi->origin);
VM_EVENT(kvm, 3, "gisa 0x%pK initialized", gi->origin);
}
diff --git a/arch/s390/kvm/pci.c b/arch/s390/kvm/pci.c
index b124d586db55..7dab00f1e833 100644
--- a/arch/s390/kvm/pci.c
+++ b/arch/s390/kvm/pci.c
@@ -112,7 +112,7 @@ static int zpci_reset_aipb(u8 nisc)
return -EINVAL;
aift->sbv = zpci_aif_sbv;
- aift->gait = (struct zpci_gaite *)zpci_aipb->aipb.gait;
+ aift->gait = phys_to_virt(zpci_aipb->aipb.gait);
return 0;
}
diff --git a/arch/s390/kvm/vsie.c b/arch/s390/kvm/vsie.c
index b6a0219e470a..8d6b765abf29 100644
--- a/arch/s390/kvm/vsie.c
+++ b/arch/s390/kvm/vsie.c
@@ -138,11 +138,15 @@ static int prepare_cpuflags(struct kvm_vcpu *vcpu, struct vsie_page *vsie_page)
}
/* Copy to APCB FORMAT1 from APCB FORMAT0 */
static int setup_apcb10(struct kvm_vcpu *vcpu, struct kvm_s390_apcb1 *apcb_s,
- unsigned long apcb_o, struct kvm_s390_apcb1 *apcb_h)
+ unsigned long crycb_gpa, struct kvm_s390_apcb1 *apcb_h)
{
struct kvm_s390_apcb0 tmp;
+ unsigned long apcb_gpa;
- if (read_guest_real(vcpu, apcb_o, &tmp, sizeof(struct kvm_s390_apcb0)))
+ apcb_gpa = crycb_gpa + offsetof(struct kvm_s390_crypto_cb, apcb0);
+
+ if (read_guest_real(vcpu, apcb_gpa, &tmp,
+ sizeof(struct kvm_s390_apcb0)))
return -EFAULT;
apcb_s->apm[0] = apcb_h->apm[0] & tmp.apm[0];
@@ -157,15 +161,19 @@ static int setup_apcb10(struct kvm_vcpu *vcpu, struct kvm_s390_apcb1 *apcb_s,
* setup_apcb00 - Copy to APCB FORMAT0 from APCB FORMAT0
* @vcpu: pointer to the virtual CPU
* @apcb_s: pointer to start of apcb in the shadow crycb
- * @apcb_o: pointer to start of original apcb in the guest2
+ * @crycb_gpa: guest physical address to start of original guest crycb
* @apcb_h: pointer to start of apcb in the guest1
*
* Returns 0 and -EFAULT on error reading guest apcb
*/
static int setup_apcb00(struct kvm_vcpu *vcpu, unsigned long *apcb_s,
- unsigned long apcb_o, unsigned long *apcb_h)
+ unsigned long crycb_gpa, unsigned long *apcb_h)
{
- if (read_guest_real(vcpu, apcb_o, apcb_s,
+ unsigned long apcb_gpa;
+
+ apcb_gpa = crycb_gpa + offsetof(struct kvm_s390_crypto_cb, apcb0);
+
+ if (read_guest_real(vcpu, apcb_gpa, apcb_s,
sizeof(struct kvm_s390_apcb0)))
return -EFAULT;
@@ -178,16 +186,20 @@ static int setup_apcb00(struct kvm_vcpu *vcpu, unsigned long *apcb_s,
* setup_apcb11 - Copy the FORMAT1 APCB from the guest to the shadow CRYCB
* @vcpu: pointer to the virtual CPU
* @apcb_s: pointer to start of apcb in the shadow crycb
- * @apcb_o: pointer to start of original guest apcb
+ * @crycb_gpa: guest physical address to start of original guest crycb
* @apcb_h: pointer to start of apcb in the host
*
* Returns 0 and -EFAULT on error reading guest apcb
*/
static int setup_apcb11(struct kvm_vcpu *vcpu, unsigned long *apcb_s,
- unsigned long apcb_o,
+ unsigned long crycb_gpa,
unsigned long *apcb_h)
{
- if (read_guest_real(vcpu, apcb_o, apcb_s,
+ unsigned long apcb_gpa;
+
+ apcb_gpa = crycb_gpa + offsetof(struct kvm_s390_crypto_cb, apcb1);
+
+ if (read_guest_real(vcpu, apcb_gpa, apcb_s,
sizeof(struct kvm_s390_apcb1)))
return -EFAULT;
@@ -200,7 +212,7 @@ static int setup_apcb11(struct kvm_vcpu *vcpu, unsigned long *apcb_s,
* setup_apcb - Create a shadow copy of the apcb.
* @vcpu: pointer to the virtual CPU
* @crycb_s: pointer to shadow crycb
- * @crycb_o: pointer to original guest crycb
+ * @crycb_gpa: guest physical address of original guest crycb
* @crycb_h: pointer to the host crycb
* @fmt_o: format of the original guest crycb.
* @fmt_h: format of the host crycb.
@@ -211,50 +223,46 @@ static int setup_apcb11(struct kvm_vcpu *vcpu, unsigned long *apcb_s,
* Return 0 or an error number if the guest and host crycb are incompatible.
*/
static int setup_apcb(struct kvm_vcpu *vcpu, struct kvm_s390_crypto_cb *crycb_s,
- const u32 crycb_o,
+ const u32 crycb_gpa,
struct kvm_s390_crypto_cb *crycb_h,
int fmt_o, int fmt_h)
{
- struct kvm_s390_crypto_cb *crycb;
-
- crycb = (struct kvm_s390_crypto_cb *) (unsigned long)crycb_o;
-
switch (fmt_o) {
case CRYCB_FORMAT2:
- if ((crycb_o & PAGE_MASK) != ((crycb_o + 256) & PAGE_MASK))
+ if ((crycb_gpa & PAGE_MASK) != ((crycb_gpa + 256) & PAGE_MASK))
return -EACCES;
if (fmt_h != CRYCB_FORMAT2)
return -EINVAL;
return setup_apcb11(vcpu, (unsigned long *)&crycb_s->apcb1,
- (unsigned long) &crycb->apcb1,
+ crycb_gpa,
(unsigned long *)&crycb_h->apcb1);
case CRYCB_FORMAT1:
switch (fmt_h) {
case CRYCB_FORMAT2:
return setup_apcb10(vcpu, &crycb_s->apcb1,
- (unsigned long) &crycb->apcb0,
+ crycb_gpa,
&crycb_h->apcb1);
case CRYCB_FORMAT1:
return setup_apcb00(vcpu,
(unsigned long *) &crycb_s->apcb0,
- (unsigned long) &crycb->apcb0,
+ crycb_gpa,
(unsigned long *) &crycb_h->apcb0);
}
break;
case CRYCB_FORMAT0:
- if ((crycb_o & PAGE_MASK) != ((crycb_o + 32) & PAGE_MASK))
+ if ((crycb_gpa & PAGE_MASK) != ((crycb_gpa + 32) & PAGE_MASK))
return -EACCES;
switch (fmt_h) {
case CRYCB_FORMAT2:
return setup_apcb10(vcpu, &crycb_s->apcb1,
- (unsigned long) &crycb->apcb0,
+ crycb_gpa,
&crycb_h->apcb1);
case CRYCB_FORMAT1:
case CRYCB_FORMAT0:
return setup_apcb00(vcpu,
(unsigned long *) &crycb_s->apcb0,
- (unsigned long) &crycb->apcb0,
+ crycb_gpa,
(unsigned long *) &crycb_h->apcb0);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-30 16:37:22 +0000