return 0;
}
+static int access_guest_page(struct kvm *kvm, enum gacc_mode mode, gpa_t gpa,
+ void *data, unsigned int len)
+{
+ const unsigned int offset = offset_in_page(gpa);
+ const gfn_t gfn = gpa_to_gfn(gpa);
+ int rc;
+
+ if (mode == GACC_STORE)
+ rc = kvm_write_guest_page(kvm, gfn, data, offset, len);
+ else
+ rc = kvm_read_guest_page(kvm, gfn, data, offset, len);
+ return rc;
+}
+
int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, u8 ar, void *data,
unsigned long len, enum gacc_mode mode)
{
rc = guest_range_to_gpas(vcpu, ga, ar, gpas, len, asce, mode);
for (idx = 0; idx < nr_pages && !rc; idx++) {
fragment_len = min(PAGE_SIZE - offset_in_page(gpas[idx]), len);
- if (mode == GACC_STORE)
- rc = kvm_write_guest(vcpu->kvm, gpas[idx], data, fragment_len);
- else
- rc = kvm_read_guest(vcpu->kvm, gpas[idx], data, fragment_len);
+ rc = access_guest_page(vcpu->kvm, mode, gpas[idx], data, fragment_len);
len -= fragment_len;
data += fragment_len;
}
while (len && !rc) {
gpa = kvm_s390_real_to_abs(vcpu, gra);
fragment_len = min(PAGE_SIZE - offset_in_page(gpa), len);
- if (mode)
- rc = write_guest_abs(vcpu, gpa, data, fragment_len);
- else
- rc = read_guest_abs(vcpu, gpa, data, fragment_len);
+ rc = access_guest_page(vcpu->kvm, mode, gpa, data, fragment_len);
len -= fragment_len;
gra += fragment_len;
data += fragment_len;