diff options
Diffstat (limited to 'arch/s390/kvm')
-rw-r--r-- | arch/s390/kvm/Kconfig | 3 | ||||
-rw-r--r-- | arch/s390/kvm/intercept.c | 2 | ||||
-rw-r--r-- | arch/s390/kvm/interrupt.c | 7 | ||||
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 10 | ||||
-rw-r--r-- | arch/s390/kvm/kvm-s390.h | 2 | ||||
-rw-r--r-- | arch/s390/kvm/priv.c | 18 | ||||
-rw-r--r-- | arch/s390/kvm/sigp.c | 2 |
7 files changed, 30 insertions, 14 deletions
diff --git a/arch/s390/kvm/Kconfig b/arch/s390/kvm/Kconfig index e051cad..3e260b7 100644 --- a/arch/s390/kvm/Kconfig +++ b/arch/s390/kvm/Kconfig @@ -4,6 +4,9 @@ config HAVE_KVM bool +config HAVE_KVM_IRQCHIP + bool + menuconfig VIRTUALIZATION bool "Virtualization" default y diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index 6123610..9d19803 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -103,7 +103,7 @@ static int handle_lctl(struct kvm_vcpu *vcpu) static intercept_handler_t instruction_handlers[256] = { [0x83] = kvm_s390_handle_diag, [0xae] = kvm_s390_handle_sigp, - [0xb2] = kvm_s390_handle_priv, + [0xb2] = kvm_s390_handle_b2, [0xb7] = handle_lctl, [0xeb] = handle_lctlg, }; diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c index f4fe28a..0189356 100644 --- a/arch/s390/kvm/interrupt.c +++ b/arch/s390/kvm/interrupt.c @@ -555,9 +555,14 @@ int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, VCPU_EVENT(vcpu, 3, "inject: program check %d (from user)", s390int->parm); break; + case KVM_S390_SIGP_SET_PREFIX: + inti->prefix.address = s390int->parm; + inti->type = s390int->type; + VCPU_EVENT(vcpu, 3, "inject: set prefix to %x (from user)", + s390int->parm); + break; case KVM_S390_SIGP_STOP: case KVM_S390_RESTART: - case KVM_S390_SIGP_SET_PREFIX: case KVM_S390_INT_EMERGENCY: VCPU_EVENT(vcpu, 3, "inject: type %x", s390int->type); inti->type = s390int->type; diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 0d33893..f4d56e9 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -23,7 +23,7 @@ #include <linux/timer.h> #include <asm/lowcore.h> #include <asm/pgtable.h> - +#include <asm/nmi.h> #include "kvm-s390.h" #include "gaccess.h" @@ -286,7 +286,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) setup_timer(&vcpu->arch.ckc_timer, kvm_s390_idle_wakeup, (unsigned long) vcpu); get_cpu_id(&vcpu->arch.cpu_id); - vcpu->arch.cpu_id.version = 0xfe; + vcpu->arch.cpu_id.version = 0xff; return 0; } @@ -422,8 +422,8 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, return -EINVAL; /* not implemented yet */ } -int kvm_arch_vcpu_ioctl_debug_guest(struct kvm_vcpu *vcpu, - struct kvm_debug_guest *dbg) +int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, + struct kvm_guest_debug *dbg) { return -EINVAL; /* not implemented yet */ } @@ -440,8 +440,6 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu, return -EINVAL; /* not implemented yet */ } -extern void s390_handle_mcck(void); - static void __vcpu_run(struct kvm_vcpu *vcpu) { memcpy(&vcpu->arch.sie_block->gg14, &vcpu->arch.guest_gprs[14], 16); diff --git a/arch/s390/kvm/kvm-s390.h b/arch/s390/kvm/kvm-s390.h index 3893cf1..00bbe69 100644 --- a/arch/s390/kvm/kvm-s390.h +++ b/arch/s390/kvm/kvm-s390.h @@ -50,7 +50,7 @@ int kvm_s390_inject_vcpu(struct kvm_vcpu *vcpu, int kvm_s390_inject_program_int(struct kvm_vcpu *vcpu, u16 code); /* implemented in priv.c */ -int kvm_s390_handle_priv(struct kvm_vcpu *vcpu); +int kvm_s390_handle_b2(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 3605df4..4b88834 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -304,12 +304,24 @@ static intercept_handler_t priv_handlers[256] = { [0xb1] = handle_stfl, }; -int kvm_s390_handle_priv(struct kvm_vcpu *vcpu) +int kvm_s390_handle_b2(struct kvm_vcpu *vcpu) { intercept_handler_t handler; + /* + * a lot of B2 instructions are priviledged. We first check for + * the priviledges ones, that we can handle in the kernel. If the + * kernel can handle this instruction, we check for the problem + * state bit and (a) handle the instruction or (b) send a code 2 + * program check. + * Anything else goes to userspace.*/ handler = priv_handlers[vcpu->arch.sie_block->ipa & 0x00ff]; - if (handler) - return handler(vcpu); + if (handler) { + if (vcpu->arch.sie_block->gpsw.mask & PSW_MASK_PSTATE) + return kvm_s390_inject_program_int(vcpu, + PGM_PRIVILEGED_OPERATION); + else + return handler(vcpu); + } return -ENOTSUPP; } diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c index 2a01b9e..f27dbed 100644 --- a/arch/s390/kvm/sigp.c +++ b/arch/s390/kvm/sigp.c @@ -153,8 +153,6 @@ static int __sigp_set_arch(struct kvm_vcpu *vcpu, u32 parameter) switch (parameter & 0xff) { case 0: - printk(KERN_WARNING "kvm: request to switch to ESA/390 mode" - " not supported"); rc = 3; /* not operational */ break; case 1: |