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-rw-r--r--arch/s390/kvm/intercept.c85
-rw-r--r--arch/s390/kvm/kvm-s390.h3
-rw-r--r--arch/s390/kvm/priv.c78
3 files changed, 81 insertions, 85 deletions
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c
index f0b8be0cc08d..5ee56e5acc23 100644
--- a/arch/s390/kvm/intercept.c
+++ b/arch/s390/kvm/intercept.c
@@ -22,87 +22,6 @@
#include "trace.h"
#include "trace-s390.h"
-static int handle_lctlg(struct kvm_vcpu *vcpu)
-{
- int reg1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4;
- int reg3 = vcpu->arch.sie_block->ipa & 0x000f;
- u64 useraddr;
- int reg, rc;
-
- vcpu->stat.instruction_lctlg++;
-
- useraddr = kvm_s390_get_base_disp_rsy(vcpu);
-
- if (useraddr & 7)
- return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
-
- reg = reg1;
-
- VCPU_EVENT(vcpu, 5, "lctlg r1:%x, r3:%x, addr:%llx", reg1, reg3,
- useraddr);
- trace_kvm_s390_handle_lctl(vcpu, 1, reg1, reg3, useraddr);
-
- do {
- rc = get_guest(vcpu, vcpu->arch.sie_block->gcr[reg],
- (u64 __user *) useraddr);
- if (rc)
- return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
- useraddr += 8;
- if (reg == reg3)
- break;
- reg = (reg + 1) % 16;
- } while (1);
- return 0;
-}
-
-static int handle_lctl(struct kvm_vcpu *vcpu)
-{
- int reg1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4;
- int reg3 = vcpu->arch.sie_block->ipa & 0x000f;
- u64 useraddr;
- u32 val = 0;
- int reg, rc;
-
- vcpu->stat.instruction_lctl++;
-
- useraddr = kvm_s390_get_base_disp_rs(vcpu);
-
- if (useraddr & 3)
- return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
-
- VCPU_EVENT(vcpu, 5, "lctl r1:%x, r3:%x, addr:%llx", reg1, reg3,
- useraddr);
- trace_kvm_s390_handle_lctl(vcpu, 0, reg1, reg3, useraddr);
-
- reg = reg1;
- do {
- rc = get_guest(vcpu, val, (u32 __user *) useraddr);
- if (rc)
- return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
- vcpu->arch.sie_block->gcr[reg] &= 0xffffffff00000000ul;
- vcpu->arch.sie_block->gcr[reg] |= val;
- useraddr += 4;
- if (reg == reg3)
- break;
- reg = (reg + 1) % 16;
- } while (1);
- return 0;
-}
-
-static const intercept_handler_t eb_handlers[256] = {
- [0x2f] = handle_lctlg,
- [0x8a] = kvm_s390_handle_priv_eb,
-};
-
-static int handle_eb(struct kvm_vcpu *vcpu)
-{
- intercept_handler_t handler;
-
- handler = eb_handlers[vcpu->arch.sie_block->ipb & 0xff];
- if (handler)
- return handler(vcpu);
- return -EOPNOTSUPP;
-}
static const intercept_handler_t instruction_handlers[256] = {
[0x01] = kvm_s390_handle_01,
@@ -110,10 +29,10 @@ static const intercept_handler_t instruction_handlers[256] = {
[0x83] = kvm_s390_handle_diag,
[0xae] = kvm_s390_handle_sigp,
[0xb2] = kvm_s390_handle_b2,
- [0xb7] = handle_lctl,
+ [0xb7] = kvm_s390_handle_lctl,
[0xb9] = kvm_s390_handle_b9,
[0xe5] = kvm_s390_handle_e5,
- [0xeb] = handle_eb,
+ [0xeb] = kvm_s390_handle_eb,
};
static int handle_noop(struct kvm_vcpu *vcpu)
diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h
index 15795b8f8ff5..028ca9fd2158 100644
--- a/arch/s390/kvm/kvm-s390.h
+++ b/arch/s390/kvm/kvm-s390.h
@@ -132,7 +132,8 @@ int kvm_s390_handle_e5(struct kvm_vcpu *vcpu);
int kvm_s390_handle_01(struct kvm_vcpu *vcpu);
int kvm_s390_handle_b9(struct kvm_vcpu *vcpu);
int kvm_s390_handle_lpsw(struct kvm_vcpu *vcpu);
-int kvm_s390_handle_priv_eb(struct kvm_vcpu *vcpu);
+int kvm_s390_handle_lctl(struct kvm_vcpu *vcpu);
+int kvm_s390_handle_eb(struct kvm_vcpu *vcpu);
/* implemented in sigp.c */
int kvm_s390_handle_sigp(struct kvm_vcpu *vcpu);
diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c
index 4b8fb6cc3c45..c7603f5b4c28 100644
--- a/arch/s390/kvm/priv.c
+++ b/arch/s390/kvm/priv.c
@@ -590,11 +590,87 @@ int kvm_s390_handle_b9(struct kvm_vcpu *vcpu)
return -EOPNOTSUPP;
}
+int kvm_s390_handle_lctl(struct kvm_vcpu *vcpu)
+{
+ int reg1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4;
+ int reg3 = vcpu->arch.sie_block->ipa & 0x000f;
+ u64 useraddr;
+ u32 val = 0;
+ int reg, rc;
+
+ vcpu->stat.instruction_lctl++;
+
+ if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
+ return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
+
+ useraddr = kvm_s390_get_base_disp_rs(vcpu);
+
+ if (useraddr & 3)
+ return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
+
+ VCPU_EVENT(vcpu, 5, "lctl r1:%x, r3:%x, addr:%llx", reg1, reg3,
+ useraddr);
+ trace_kvm_s390_handle_lctl(vcpu, 0, reg1, reg3, useraddr);
+
+ reg = reg1;
+ do {
+ rc = get_guest(vcpu, val, (u32 __user *) useraddr);
+ if (rc)
+ return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
+ vcpu->arch.sie_block->gcr[reg] &= 0xffffffff00000000ul;
+ vcpu->arch.sie_block->gcr[reg] |= val;
+ useraddr += 4;
+ if (reg == reg3)
+ break;
+ reg = (reg + 1) % 16;
+ } while (1);
+
+ return 0;
+}
+
+static int handle_lctlg(struct kvm_vcpu *vcpu)
+{
+ int reg1 = (vcpu->arch.sie_block->ipa & 0x00f0) >> 4;
+ int reg3 = vcpu->arch.sie_block->ipa & 0x000f;
+ u64 useraddr;
+ int reg, rc;
+
+ vcpu->stat.instruction_lctlg++;
+
+ if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE)
+ return kvm_s390_inject_program_int(vcpu, PGM_PRIVILEGED_OP);
+
+ useraddr = kvm_s390_get_base_disp_rsy(vcpu);
+
+ if (useraddr & 7)
+ return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
+
+ reg = reg1;
+
+ VCPU_EVENT(vcpu, 5, "lctlg r1:%x, r3:%x, addr:%llx", reg1, reg3,
+ useraddr);
+ trace_kvm_s390_handle_lctl(vcpu, 1, reg1, reg3, useraddr);
+
+ do {
+ rc = get_guest(vcpu, vcpu->arch.sie_block->gcr[reg],
+ (u64 __user *) useraddr);
+ if (rc)
+ return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING);
+ useraddr += 8;
+ if (reg == reg3)
+ break;
+ reg = (reg + 1) % 16;
+ } while (1);
+
+ return 0;
+}
+
static const intercept_handler_t eb_handlers[256] = {
+ [0x2f] = handle_lctlg,
[0x8a] = handle_io_inst,
};
-int kvm_s390_handle_priv_eb(struct kvm_vcpu *vcpu)
+int kvm_s390_handle_eb(struct kvm_vcpu *vcpu)
{
intercept_handler_t handler;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 10:09:46 +0000