KVM: s390: Guest's memory access functions get access registers
In access register mode, the write_guest() read_guest() and other functions will invoke the access register translation, which requires an ar, designated by one of the instruction fields. Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com> Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com> Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Родитель
dd9e5b7bdb
Коммит
8ae04b8f50
|
@ -77,7 +77,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu)
|
|||
|
||||
if (vcpu->run->s.regs.gprs[rx] & 7)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], &parm, sizeof(parm));
|
||||
rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
if (parm.parm_version != 2 || parm.parm_len < 5 || parm.code != 0x258)
|
||||
|
@ -230,7 +230,7 @@ static int __diag_virtio_hypercall(struct kvm_vcpu *vcpu)
|
|||
|
||||
int kvm_s390_handle_diag(struct kvm_vcpu *vcpu)
|
||||
{
|
||||
int code = kvm_s390_get_base_disp_rs(vcpu) & 0xffff;
|
||||
int code = kvm_s390_get_base_disp_rs(vcpu, NULL) & 0xffff;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
|
|
@ -578,7 +578,7 @@ static int guest_page_range(struct kvm_vcpu *vcpu, unsigned long ga,
|
|||
return 0;
|
||||
}
|
||||
|
||||
int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, void *data,
|
||||
int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, ar_t ar, void *data,
|
||||
unsigned long len, int write)
|
||||
{
|
||||
psw_t *psw = &vcpu->arch.sie_block->gpsw;
|
||||
|
@ -652,7 +652,7 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra,
|
|||
* Note: The IPTE lock is not taken during this function, so the caller
|
||||
* has to take care of this.
|
||||
*/
|
||||
int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva,
|
||||
int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva, ar_t ar,
|
||||
unsigned long *gpa, int write)
|
||||
{
|
||||
struct kvm_s390_pgm_info *pgm = &vcpu->arch.pgm;
|
||||
|
|
|
@ -156,9 +156,9 @@ int read_guest_lc(struct kvm_vcpu *vcpu, unsigned long gra, void *data,
|
|||
}
|
||||
|
||||
int guest_translate_address(struct kvm_vcpu *vcpu, unsigned long gva,
|
||||
unsigned long *gpa, int write);
|
||||
ar_t ar, unsigned long *gpa, int write);
|
||||
|
||||
int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, void *data,
|
||||
int access_guest(struct kvm_vcpu *vcpu, unsigned long ga, ar_t ar, void *data,
|
||||
unsigned long len, int write);
|
||||
|
||||
int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra,
|
||||
|
@ -168,6 +168,7 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra,
|
|||
* write_guest - copy data from kernel space to guest space
|
||||
* @vcpu: virtual cpu
|
||||
* @ga: guest address
|
||||
* @ar: access register
|
||||
* @data: source address in kernel space
|
||||
* @len: number of bytes to copy
|
||||
*
|
||||
|
@ -210,16 +211,17 @@ int access_guest_real(struct kvm_vcpu *vcpu, unsigned long gra,
|
|||
* if data has been changed in guest space in case of an exception.
|
||||
*/
|
||||
static inline __must_check
|
||||
int write_guest(struct kvm_vcpu *vcpu, unsigned long ga, void *data,
|
||||
int write_guest(struct kvm_vcpu *vcpu, unsigned long ga, ar_t ar, void *data,
|
||||
unsigned long len)
|
||||
{
|
||||
return access_guest(vcpu, ga, data, len, 1);
|
||||
return access_guest(vcpu, ga, ar, data, len, 1);
|
||||
}
|
||||
|
||||
/**
|
||||
* read_guest - copy data from guest space to kernel space
|
||||
* @vcpu: virtual cpu
|
||||
* @ga: guest address
|
||||
* @ar: access register
|
||||
* @data: destination address in kernel space
|
||||
* @len: number of bytes to copy
|
||||
*
|
||||
|
@ -229,10 +231,10 @@ int write_guest(struct kvm_vcpu *vcpu, unsigned long ga, void *data,
|
|||
* data will be copied from guest space to kernel space.
|
||||
*/
|
||||
static inline __must_check
|
||||
int read_guest(struct kvm_vcpu *vcpu, unsigned long ga, void *data,
|
||||
int read_guest(struct kvm_vcpu *vcpu, unsigned long ga, ar_t ar, void *data,
|
||||
unsigned long len)
|
||||
{
|
||||
return access_guest(vcpu, ga, data, len, 0);
|
||||
return access_guest(vcpu, ga, ar, data, len, 0);
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
|
@ -320,7 +320,7 @@ static int handle_mvpg_pei(struct kvm_vcpu *vcpu)
|
|||
|
||||
/* Make sure that the source is paged-in */
|
||||
rc = guest_translate_address(vcpu, vcpu->run->s.regs.gprs[reg2],
|
||||
&srcaddr, 0);
|
||||
reg2, &srcaddr, 0);
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
rc = kvm_arch_fault_in_page(vcpu, srcaddr, 0);
|
||||
|
@ -329,7 +329,7 @@ static int handle_mvpg_pei(struct kvm_vcpu *vcpu)
|
|||
|
||||
/* Make sure that the destination is paged-in */
|
||||
rc = guest_translate_address(vcpu, vcpu->run->s.regs.gprs[reg1],
|
||||
&dstaddr, 1);
|
||||
reg1, &dstaddr, 1);
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
rc = kvm_arch_fault_in_page(vcpu, dstaddr, 1);
|
||||
|
|
|
@ -1776,7 +1776,7 @@ static int vcpu_post_run_fault_in_sie(struct kvm_vcpu *vcpu)
|
|||
* to look up the current opcode to get the length of the instruction
|
||||
* to be able to forward the PSW.
|
||||
*/
|
||||
rc = read_guest(vcpu, psw->addr, &opcode, 1);
|
||||
rc = read_guest(vcpu, psw->addr, 0, &opcode, 1);
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
psw->addr = __rewind_psw(*psw, -insn_length(opcode));
|
||||
|
|
|
@ -70,16 +70,22 @@ static inline void kvm_s390_set_prefix(struct kvm_vcpu *vcpu, u32 prefix)
|
|||
kvm_make_request(KVM_REQ_MMU_RELOAD, vcpu);
|
||||
}
|
||||
|
||||
static inline u64 kvm_s390_get_base_disp_s(struct kvm_vcpu *vcpu)
|
||||
typedef u8 __bitwise ar_t;
|
||||
|
||||
static inline u64 kvm_s390_get_base_disp_s(struct kvm_vcpu *vcpu, ar_t *ar)
|
||||
{
|
||||
u32 base2 = vcpu->arch.sie_block->ipb >> 28;
|
||||
u32 disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16);
|
||||
|
||||
if (ar)
|
||||
*ar = base2;
|
||||
|
||||
return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2;
|
||||
}
|
||||
|
||||
static inline void kvm_s390_get_base_disp_sse(struct kvm_vcpu *vcpu,
|
||||
u64 *address1, u64 *address2)
|
||||
u64 *address1, u64 *address2,
|
||||
ar_t *ar_b1, ar_t *ar_b2)
|
||||
{
|
||||
u32 base1 = (vcpu->arch.sie_block->ipb & 0xf0000000) >> 28;
|
||||
u32 disp1 = (vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16;
|
||||
|
@ -88,6 +94,11 @@ static inline void kvm_s390_get_base_disp_sse(struct kvm_vcpu *vcpu,
|
|||
|
||||
*address1 = (base1 ? vcpu->run->s.regs.gprs[base1] : 0) + disp1;
|
||||
*address2 = (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2;
|
||||
|
||||
if (ar_b1)
|
||||
*ar_b1 = base1;
|
||||
if (ar_b2)
|
||||
*ar_b2 = base2;
|
||||
}
|
||||
|
||||
static inline void kvm_s390_get_regs_rre(struct kvm_vcpu *vcpu, int *r1, int *r2)
|
||||
|
@ -98,7 +109,7 @@ static inline void kvm_s390_get_regs_rre(struct kvm_vcpu *vcpu, int *r1, int *r2
|
|||
*r2 = (vcpu->arch.sie_block->ipb & 0x000f0000) >> 16;
|
||||
}
|
||||
|
||||
static inline u64 kvm_s390_get_base_disp_rsy(struct kvm_vcpu *vcpu)
|
||||
static inline u64 kvm_s390_get_base_disp_rsy(struct kvm_vcpu *vcpu, ar_t *ar)
|
||||
{
|
||||
u32 base2 = vcpu->arch.sie_block->ipb >> 28;
|
||||
u32 disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16) +
|
||||
|
@ -107,14 +118,20 @@ static inline u64 kvm_s390_get_base_disp_rsy(struct kvm_vcpu *vcpu)
|
|||
if (disp2 & 0x80000)
|
||||
disp2+=0xfff00000;
|
||||
|
||||
if (ar)
|
||||
*ar = base2;
|
||||
|
||||
return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + (long)(int)disp2;
|
||||
}
|
||||
|
||||
static inline u64 kvm_s390_get_base_disp_rs(struct kvm_vcpu *vcpu)
|
||||
static inline u64 kvm_s390_get_base_disp_rs(struct kvm_vcpu *vcpu, ar_t *ar)
|
||||
{
|
||||
u32 base2 = vcpu->arch.sie_block->ipb >> 28;
|
||||
u32 disp2 = ((vcpu->arch.sie_block->ipb & 0x0fff0000) >> 16);
|
||||
|
||||
if (ar)
|
||||
*ar = base2;
|
||||
|
||||
return (base2 ? vcpu->run->s.regs.gprs[base2] : 0) + disp2;
|
||||
}
|
||||
|
||||
|
|
|
@ -36,15 +36,16 @@ static int handle_set_clock(struct kvm_vcpu *vcpu)
|
|||
struct kvm_vcpu *cpup;
|
||||
s64 hostclk, val;
|
||||
int i, rc;
|
||||
ar_t ar;
|
||||
u64 op2;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
op2 = kvm_s390_get_base_disp_s(vcpu);
|
||||
op2 = kvm_s390_get_base_disp_s(vcpu, &ar);
|
||||
if (op2 & 7) /* Operand must be on a doubleword boundary */
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
rc = read_guest(vcpu, op2, &val, sizeof(val));
|
||||
rc = read_guest(vcpu, op2, ar, &val, sizeof(val));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
|
||||
|
@ -68,20 +69,21 @@ static int handle_set_prefix(struct kvm_vcpu *vcpu)
|
|||
u64 operand2;
|
||||
u32 address;
|
||||
int rc;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_spx++;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
operand2 = kvm_s390_get_base_disp_s(vcpu);
|
||||
operand2 = kvm_s390_get_base_disp_s(vcpu, &ar);
|
||||
|
||||
/* must be word boundary */
|
||||
if (operand2 & 3)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
||||
/* get the value */
|
||||
rc = read_guest(vcpu, operand2, &address, sizeof(address));
|
||||
rc = read_guest(vcpu, operand2, ar, &address, sizeof(address));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
|
||||
|
@ -107,13 +109,14 @@ static int handle_store_prefix(struct kvm_vcpu *vcpu)
|
|||
u64 operand2;
|
||||
u32 address;
|
||||
int rc;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_stpx++;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
operand2 = kvm_s390_get_base_disp_s(vcpu);
|
||||
operand2 = kvm_s390_get_base_disp_s(vcpu, &ar);
|
||||
|
||||
/* must be word boundary */
|
||||
if (operand2 & 3)
|
||||
|
@ -122,7 +125,7 @@ static int handle_store_prefix(struct kvm_vcpu *vcpu)
|
|||
address = kvm_s390_get_prefix(vcpu);
|
||||
|
||||
/* get the value */
|
||||
rc = write_guest(vcpu, operand2, &address, sizeof(address));
|
||||
rc = write_guest(vcpu, operand2, ar, &address, sizeof(address));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
|
||||
|
@ -136,18 +139,19 @@ static int handle_store_cpu_address(struct kvm_vcpu *vcpu)
|
|||
u16 vcpu_id = vcpu->vcpu_id;
|
||||
u64 ga;
|
||||
int rc;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_stap++;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
ga = kvm_s390_get_base_disp_s(vcpu);
|
||||
ga = kvm_s390_get_base_disp_s(vcpu, &ar);
|
||||
|
||||
if (ga & 1)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
||||
rc = write_guest(vcpu, ga, &vcpu_id, sizeof(vcpu_id));
|
||||
rc = write_guest(vcpu, ga, ar, &vcpu_id, sizeof(vcpu_id));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
|
||||
|
@ -231,8 +235,9 @@ static int handle_tpi(struct kvm_vcpu *vcpu)
|
|||
u32 tpi_data[3];
|
||||
int rc;
|
||||
u64 addr;
|
||||
ar_t ar;
|
||||
|
||||
addr = kvm_s390_get_base_disp_s(vcpu);
|
||||
addr = kvm_s390_get_base_disp_s(vcpu, &ar);
|
||||
if (addr & 3)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
||||
|
@ -251,7 +256,7 @@ static int handle_tpi(struct kvm_vcpu *vcpu)
|
|||
* provided area.
|
||||
*/
|
||||
len = sizeof(tpi_data) - 4;
|
||||
rc = write_guest(vcpu, addr, &tpi_data, len);
|
||||
rc = write_guest(vcpu, addr, ar, &tpi_data, len);
|
||||
if (rc) {
|
||||
rc = kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
goto reinject_interrupt;
|
||||
|
@ -395,15 +400,16 @@ int kvm_s390_handle_lpsw(struct kvm_vcpu *vcpu)
|
|||
psw_compat_t new_psw;
|
||||
u64 addr;
|
||||
int rc;
|
||||
ar_t ar;
|
||||
|
||||
if (gpsw->mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
addr = kvm_s390_get_base_disp_s(vcpu);
|
||||
addr = kvm_s390_get_base_disp_s(vcpu, &ar);
|
||||
if (addr & 7)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
||||
rc = read_guest(vcpu, addr, &new_psw, sizeof(new_psw));
|
||||
rc = read_guest(vcpu, addr, ar, &new_psw, sizeof(new_psw));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
if (!(new_psw.mask & PSW32_MASK_BASE))
|
||||
|
@ -421,14 +427,15 @@ static int handle_lpswe(struct kvm_vcpu *vcpu)
|
|||
psw_t new_psw;
|
||||
u64 addr;
|
||||
int rc;
|
||||
ar_t ar;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
addr = kvm_s390_get_base_disp_s(vcpu);
|
||||
addr = kvm_s390_get_base_disp_s(vcpu, &ar);
|
||||
if (addr & 7)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
rc = read_guest(vcpu, addr, &new_psw, sizeof(new_psw));
|
||||
rc = read_guest(vcpu, addr, ar, &new_psw, sizeof(new_psw));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
vcpu->arch.sie_block->gpsw = new_psw;
|
||||
|
@ -442,18 +449,19 @@ static int handle_stidp(struct kvm_vcpu *vcpu)
|
|||
u64 stidp_data = vcpu->arch.stidp_data;
|
||||
u64 operand2;
|
||||
int rc;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_stidp++;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
operand2 = kvm_s390_get_base_disp_s(vcpu);
|
||||
operand2 = kvm_s390_get_base_disp_s(vcpu, &ar);
|
||||
|
||||
if (operand2 & 7)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
||||
rc = write_guest(vcpu, operand2, &stidp_data, sizeof(stidp_data));
|
||||
rc = write_guest(vcpu, operand2, ar, &stidp_data, sizeof(stidp_data));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
|
||||
|
@ -496,6 +504,7 @@ static int handle_stsi(struct kvm_vcpu *vcpu)
|
|||
unsigned long mem = 0;
|
||||
u64 operand2;
|
||||
int rc = 0;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_stsi++;
|
||||
VCPU_EVENT(vcpu, 4, "stsi: fc: %x sel1: %x sel2: %x", fc, sel1, sel2);
|
||||
|
@ -518,7 +527,7 @@ static int handle_stsi(struct kvm_vcpu *vcpu)
|
|||
return 0;
|
||||
}
|
||||
|
||||
operand2 = kvm_s390_get_base_disp_s(vcpu);
|
||||
operand2 = kvm_s390_get_base_disp_s(vcpu, &ar);
|
||||
|
||||
if (operand2 & 0xfff)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
@ -542,7 +551,7 @@ static int handle_stsi(struct kvm_vcpu *vcpu)
|
|||
break;
|
||||
}
|
||||
|
||||
rc = write_guest(vcpu, operand2, (void *)mem, PAGE_SIZE);
|
||||
rc = write_guest(vcpu, operand2, ar, (void *)mem, PAGE_SIZE);
|
||||
if (rc) {
|
||||
rc = kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
goto out;
|
||||
|
@ -786,13 +795,14 @@ int kvm_s390_handle_lctl(struct kvm_vcpu *vcpu)
|
|||
int reg, rc, nr_regs;
|
||||
u32 ctl_array[16];
|
||||
u64 ga;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_lctl++;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
ga = kvm_s390_get_base_disp_rs(vcpu);
|
||||
ga = kvm_s390_get_base_disp_rs(vcpu, &ar);
|
||||
|
||||
if (ga & 3)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
@ -801,7 +811,7 @@ int kvm_s390_handle_lctl(struct kvm_vcpu *vcpu)
|
|||
trace_kvm_s390_handle_lctl(vcpu, 0, reg1, reg3, ga);
|
||||
|
||||
nr_regs = ((reg3 - reg1) & 0xf) + 1;
|
||||
rc = read_guest(vcpu, ga, ctl_array, nr_regs * sizeof(u32));
|
||||
rc = read_guest(vcpu, ga, ar, ctl_array, nr_regs * sizeof(u32));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
reg = reg1;
|
||||
|
@ -824,13 +834,14 @@ int kvm_s390_handle_stctl(struct kvm_vcpu *vcpu)
|
|||
int reg, rc, nr_regs;
|
||||
u32 ctl_array[16];
|
||||
u64 ga;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_stctl++;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
ga = kvm_s390_get_base_disp_rs(vcpu);
|
||||
ga = kvm_s390_get_base_disp_rs(vcpu, &ar);
|
||||
|
||||
if (ga & 3)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
@ -846,7 +857,7 @@ int kvm_s390_handle_stctl(struct kvm_vcpu *vcpu)
|
|||
break;
|
||||
reg = (reg + 1) % 16;
|
||||
} while (1);
|
||||
rc = write_guest(vcpu, ga, ctl_array, nr_regs * sizeof(u32));
|
||||
rc = write_guest(vcpu, ga, ar, ctl_array, nr_regs * sizeof(u32));
|
||||
return rc ? kvm_s390_inject_prog_cond(vcpu, rc) : 0;
|
||||
}
|
||||
|
||||
|
@ -857,13 +868,14 @@ static int handle_lctlg(struct kvm_vcpu *vcpu)
|
|||
int reg, rc, nr_regs;
|
||||
u64 ctl_array[16];
|
||||
u64 ga;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_lctlg++;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
ga = kvm_s390_get_base_disp_rsy(vcpu);
|
||||
ga = kvm_s390_get_base_disp_rsy(vcpu, &ar);
|
||||
|
||||
if (ga & 7)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
@ -872,7 +884,7 @@ static int handle_lctlg(struct kvm_vcpu *vcpu)
|
|||
trace_kvm_s390_handle_lctl(vcpu, 1, reg1, reg3, ga);
|
||||
|
||||
nr_regs = ((reg3 - reg1) & 0xf) + 1;
|
||||
rc = read_guest(vcpu, ga, ctl_array, nr_regs * sizeof(u64));
|
||||
rc = read_guest(vcpu, ga, ar, ctl_array, nr_regs * sizeof(u64));
|
||||
if (rc)
|
||||
return kvm_s390_inject_prog_cond(vcpu, rc);
|
||||
reg = reg1;
|
||||
|
@ -894,13 +906,14 @@ static int handle_stctg(struct kvm_vcpu *vcpu)
|
|||
int reg, rc, nr_regs;
|
||||
u64 ctl_array[16];
|
||||
u64 ga;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_stctg++;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
ga = kvm_s390_get_base_disp_rsy(vcpu);
|
||||
ga = kvm_s390_get_base_disp_rsy(vcpu, &ar);
|
||||
|
||||
if (ga & 7)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
|
||||
|
@ -916,7 +929,7 @@ static int handle_stctg(struct kvm_vcpu *vcpu)
|
|||
break;
|
||||
reg = (reg + 1) % 16;
|
||||
} while (1);
|
||||
rc = write_guest(vcpu, ga, ctl_array, nr_regs * sizeof(u64));
|
||||
rc = write_guest(vcpu, ga, ar, ctl_array, nr_regs * sizeof(u64));
|
||||
return rc ? kvm_s390_inject_prog_cond(vcpu, rc) : 0;
|
||||
}
|
||||
|
||||
|
@ -941,13 +954,14 @@ static int handle_tprot(struct kvm_vcpu *vcpu)
|
|||
unsigned long hva, gpa;
|
||||
int ret = 0, cc = 0;
|
||||
bool writable;
|
||||
ar_t ar;
|
||||
|
||||
vcpu->stat.instruction_tprot++;
|
||||
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
kvm_s390_get_base_disp_sse(vcpu, &address1, &address2);
|
||||
kvm_s390_get_base_disp_sse(vcpu, &address1, &address2, &ar, NULL);
|
||||
|
||||
/* we only handle the Linux memory detection case:
|
||||
* access key == 0
|
||||
|
@ -956,11 +970,11 @@ static int handle_tprot(struct kvm_vcpu *vcpu)
|
|||
return -EOPNOTSUPP;
|
||||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_DAT)
|
||||
ipte_lock(vcpu);
|
||||
ret = guest_translate_address(vcpu, address1, &gpa, 1);
|
||||
ret = guest_translate_address(vcpu, address1, ar, &gpa, 1);
|
||||
if (ret == PGM_PROTECTION) {
|
||||
/* Write protected? Try again with read-only... */
|
||||
cc = 1;
|
||||
ret = guest_translate_address(vcpu, address1, &gpa, 0);
|
||||
ret = guest_translate_address(vcpu, address1, ar, &gpa, 0);
|
||||
}
|
||||
if (ret) {
|
||||
if (ret == PGM_ADDRESSING || ret == PGM_TRANSLATION_SPEC) {
|
||||
|
|
|
@ -434,7 +434,7 @@ int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu)
|
|||
if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
|
||||
return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
|
||||
|
||||
order_code = kvm_s390_get_base_disp_rs(vcpu);
|
||||
order_code = kvm_s390_get_base_disp_rs(vcpu, NULL);
|
||||
if (handle_sigp_order_in_user_space(vcpu, order_code))
|
||||
return -EOPNOTSUPP;
|
||||
|
||||
|
@ -476,7 +476,7 @@ int kvm_s390_handle_sigp_pei(struct kvm_vcpu *vcpu)
|
|||
int r3 = vcpu->arch.sie_block->ipa & 0x000f;
|
||||
u16 cpu_addr = vcpu->run->s.regs.gprs[r3];
|
||||
struct kvm_vcpu *dest_vcpu;
|
||||
u8 order_code = kvm_s390_get_base_disp_rs(vcpu);
|
||||
u8 order_code = kvm_s390_get_base_disp_rs(vcpu, NULL);
|
||||
|
||||
trace_kvm_s390_handle_sigp_pei(vcpu, order_code, cpu_addr);
|
||||
|
||||
|
|
Загрузка…
Ссылка в новой задаче