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Commit 58cdf5eb authored by Heiko Carstens's avatar Heiko Carstens Committed by Martin Schwidefsky
Browse files

KVM: s390: use new mm defines instead of magic values 



Acked-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: default avatarJanosch Frank <frankja@linux.vnet.ibm.com>
Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent f1c1174f

arch/s390/kvm/diag.c

+4 −4
Original line number Diff line number Diff line
@@ -27,7 +27,7 @@ static int diag_release_pages(struct kvm_vcpu *vcpu) 
	unsigned long prefix  = kvm_s390_get_prefix(vcpu);



	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;

	end = vcpu->run->s.regs.gprs[vcpu->arch.sie_block->ipa & 0xf] + PAGE_SIZE;

	vcpu->stat.diagnose_10++;



	if (start & ~PAGE_MASK || end & ~PAGE_MASK || start >= end
@@ -51,9 +51,9 @@ static int diag_release_pages(struct kvm_vcpu *vcpu) 
		 */

		gmap_discard(vcpu->arch.gmap, start, prefix);

		if (start <= prefix)

			gmap_discard(vcpu->arch.gmap, 0, 4096);

		if (end > prefix + 4096)

			gmap_discard(vcpu->arch.gmap, 4096, 8192);

			gmap_discard(vcpu->arch.gmap, 0, PAGE_SIZE);

		if (end > prefix + PAGE_SIZE)

			gmap_discard(vcpu->arch.gmap, PAGE_SIZE, 2 * PAGE_SIZE);

		gmap_discard(vcpu->arch.gmap, prefix + 2 * PAGE_SIZE, end);

	}

	return 0;

arch/s390/kvm/gaccess.c

+17 −18
Original line number Diff line number Diff line
@@ -629,7 +629,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva, 
	iep = ctlreg0.iep && test_kvm_facility(vcpu->kvm, 130);

	if (asce.r)

		goto real_address;

	ptr = asce.origin * 4096;

	ptr = asce.origin * PAGE_SIZE;

	switch (asce.dt) {

	case ASCE_TYPE_REGION1:

		if (vaddr.rfx01 > asce.tl)
@@ -674,7 +674,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva, 
			return PGM_REGION_SECOND_TRANS;

		if (edat1)

			dat_protection |= rfte.p;

		ptr = rfte.rto * 4096 + vaddr.rsx * 8;

		ptr = rfte.rto * PAGE_SIZE + vaddr.rsx * 8;

	}

		/* fallthrough */

	case ASCE_TYPE_REGION2: {
@@ -692,7 +692,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva, 
			return PGM_REGION_THIRD_TRANS;

		if (edat1)

			dat_protection |= rste.p;

		ptr = rste.rto * 4096 + vaddr.rtx * 8;

		ptr = rste.rto * PAGE_SIZE + vaddr.rtx * 8;

	}

		/* fallthrough */

	case ASCE_TYPE_REGION3: {
@@ -720,7 +720,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva, 
			return PGM_SEGMENT_TRANSLATION;

		if (edat1)

			dat_protection |= rtte.fc0.p;

		ptr = rtte.fc0.sto * 4096 + vaddr.sx * 8;

		ptr = rtte.fc0.sto * PAGE_SIZE + vaddr.sx * 8;

	}

		/* fallthrough */

	case ASCE_TYPE_SEGMENT: {
@@ -743,7 +743,7 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva, 
			goto absolute_address;

		}

		dat_protection |= ste.fc0.p;

		ptr = ste.fc0.pto * 2048 + vaddr.px * 8;

		ptr = ste.fc0.pto * (PAGE_SIZE / 2) + vaddr.px * 8;

	}

	}

	if (kvm_is_error_gpa(vcpu->kvm, ptr))
@@ -993,7 +993,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
	parent = sg->parent;

	vaddr.addr = saddr;

	asce.val = sg->orig_asce;

	ptr = asce.origin * 4096;

	ptr = asce.origin * PAGE_SIZE;

	if (asce.r) {

		*fake = 1;

		ptr = 0;
@@ -1029,7 +1029,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
		union region1_table_entry rfte;



		if (*fake) {

			ptr += (unsigned long) vaddr.rfx << 53;

			ptr += vaddr.rfx * _REGION1_SIZE;

			rfte.val = ptr;

			goto shadow_r2t;

		}
@@ -1044,7 +1044,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
			return PGM_REGION_SECOND_TRANS;

		if (sg->edat_level >= 1)

			*dat_protection |= rfte.p;

		ptr = rfte.rto << 12UL;

		ptr = rfte.rto * PAGE_SIZE;

shadow_r2t:

		rc = gmap_shadow_r2t(sg, saddr, rfte.val, *fake);

		if (rc)
@@ -1055,7 +1055,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
		union region2_table_entry rste;



		if (*fake) {

			ptr += (unsigned long) vaddr.rsx << 42;

			ptr += vaddr.rsx * _REGION2_SIZE;

			rste.val = ptr;

			goto shadow_r3t;

		}
@@ -1070,7 +1070,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
			return PGM_REGION_THIRD_TRANS;

		if (sg->edat_level >= 1)

			*dat_protection |= rste.p;

		ptr = rste.rto << 12UL;

		ptr = rste.rto * PAGE_SIZE;

shadow_r3t:

		rste.p |= *dat_protection;

		rc = gmap_shadow_r3t(sg, saddr, rste.val, *fake);
@@ -1082,7 +1082,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
		union region3_table_entry rtte;



		if (*fake) {

			ptr += (unsigned long) vaddr.rtx << 31;

			ptr += vaddr.rtx * _REGION3_SIZE;

			rtte.val = ptr;

			goto shadow_sgt;

		}
@@ -1098,7 +1098,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
		if (rtte.fc && sg->edat_level >= 2) {

			*dat_protection |= rtte.fc0.p;

			*fake = 1;

			ptr = rtte.fc1.rfaa << 31UL;

			ptr = rtte.fc1.rfaa * _REGION3_SIZE;

			rtte.val = ptr;

			goto shadow_sgt;

		}
@@ -1106,7 +1106,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
			return PGM_SEGMENT_TRANSLATION;

		if (sg->edat_level >= 1)

			*dat_protection |= rtte.fc0.p;

		ptr = rtte.fc0.sto << 12UL;

		ptr = rtte.fc0.sto * PAGE_SIZE;

shadow_sgt:

		rtte.fc0.p |= *dat_protection;

		rc = gmap_shadow_sgt(sg, saddr, rtte.val, *fake);
@@ -1118,7 +1118,7 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
		union segment_table_entry ste;



		if (*fake) {

			ptr += (unsigned long) vaddr.sx << 20;

			ptr += vaddr.sx * _SEGMENT_SIZE;

			ste.val = ptr;

			goto shadow_pgt;

		}
@@ -1134,11 +1134,11 @@ static int kvm_s390_shadow_tables(struct gmap *sg, unsigned long saddr, 
		*dat_protection |= ste.fc0.p;

		if (ste.fc && sg->edat_level >= 1) {

			*fake = 1;

			ptr = ste.fc1.sfaa << 20UL;

			ptr = ste.fc1.sfaa * _SEGMENT_SIZE;

			ste.val = ptr;

			goto shadow_pgt;

		}

		ptr = ste.fc0.pto << 11UL;

		ptr = ste.fc0.pto * (PAGE_SIZE / 2);

shadow_pgt:

		ste.fc0.p |= *dat_protection;

		rc = gmap_shadow_pgt(sg, saddr, ste.val, *fake);
@@ -1187,8 +1187,7 @@ int kvm_s390_shadow_fault(struct kvm_vcpu *vcpu, struct gmap *sg, 


	vaddr.addr = saddr;

	if (fake) {

		/* offset in 1MB guest memory block */

		pte.val = pgt + ((unsigned long) vaddr.px << 12UL);

		pte.val = pgt + vaddr.px * PAGE_SIZE;

		goto shadow_page;

	}

	if (!rc)

arch/s390/kvm/priv.c

+4 −4
Original line number Diff line number Diff line
@@ -329,7 +329,7 @@ static int handle_sske(struct kvm_vcpu *vcpu) 
	start = kvm_s390_logical_to_effective(vcpu, start);

	if (m3 & SSKE_MB) {

		/* start already designates an absolute address */

		end = (start + (1UL << 20)) & ~((1UL << 20) - 1);

		end = (start + _SEGMENT_SIZE) & ~(_SEGMENT_SIZE - 1);

	} else {

		start = kvm_s390_real_to_abs(vcpu, start);

		end = start + PAGE_SIZE;
@@ -893,10 +893,10 @@ static int handle_pfmf(struct kvm_vcpu *vcpu) 
	case 0x00000000:

		/* only 4k frames specify a real address */

		start = kvm_s390_real_to_abs(vcpu, start);

		end = (start + (1UL << 12)) & ~((1UL << 12) - 1);

		end = (start + PAGE_SIZE) & ~(PAGE_SIZE - 1);

		break;

	case 0x00001000:

		end = (start + (1UL << 20)) & ~((1UL << 20) - 1);

		end = (start + _SEGMENT_SIZE) & ~(_SEGMENT_SIZE - 1);

		break;

	case 0x00002000:

		/* only support 2G frame size if EDAT2 is available and we are
@@ -904,7 +904,7 @@ static int handle_pfmf(struct kvm_vcpu *vcpu) 
		if (!test_kvm_facility(vcpu->kvm, 78) ||

		    psw_bits(vcpu->arch.sie_block->gpsw).eaba == PSW_BITS_AMODE_24BIT)

			return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);

		end = (start + (1UL << 31)) & ~((1UL << 31) - 1);

		end = (start + _REGION3_SIZE) & ~(_REGION3_SIZE - 1);

		break;

	default:

		return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);

arch/s390/kvm/vsie.c

+1 −1
Original line number Diff line number Diff line
@@ -1069,7 +1069,7 @@ int kvm_s390_handle_vsie(struct kvm_vcpu *vcpu) 
	if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)

		return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);



	BUILD_BUG_ON(sizeof(struct vsie_page) != 4096);

	BUILD_BUG_ON(sizeof(struct vsie_page) != PAGE_SIZE);

	scb_addr = kvm_s390_get_base_disp_s(vcpu, NULL);



	/* 512 byte alignment */