diff options
| -rw-r--r-- | include/sysemu/kvm.h | 4 | ||||
| -rw-r--r-- | kvm-all.c | 107 | ||||
| -rw-r--r-- | kvm-stub.c | 10 |
3 files changed, 54 insertions, 67 deletions
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index f2d97b580d..4a65d9fb7d 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -283,10 +283,6 @@ int kvm_physical_memory_addr_from_host(KVMState *s, void *ram_addr, #endif #endif -int kvm_set_ioeventfd_mmio(int fd, uint32_t adr, uint32_t val, bool assign, - uint32_t size); - -int kvm_set_ioeventfd_pio_word(int fd, uint16_t adr, uint16_t val, bool assign); int kvm_irqchip_add_msi_route(KVMState *s, MSIMessage msg); int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg); @@ -500,6 +500,60 @@ int kvm_check_extension(KVMState *s, unsigned int extension) return ret; } +static int kvm_set_ioeventfd_mmio(int fd, uint32_t addr, uint32_t val, bool assign, + uint32_t size) +{ + int ret; + struct kvm_ioeventfd iofd; + + iofd.datamatch = val; + iofd.addr = addr; + iofd.len = size; + iofd.flags = KVM_IOEVENTFD_FLAG_DATAMATCH; + iofd.fd = fd; + + if (!kvm_enabled()) { + return -ENOSYS; + } + + if (!assign) { + iofd.flags |= KVM_IOEVENTFD_FLAG_DEASSIGN; + } + + ret = kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &iofd); + + if (ret < 0) { + return -errno; + } + + return 0; +} + +static int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, + bool assign) +{ + struct kvm_ioeventfd kick = { + .datamatch = val, + .addr = addr, + .len = 2, + .flags = KVM_IOEVENTFD_FLAG_DATAMATCH | KVM_IOEVENTFD_FLAG_PIO, + .fd = fd, + }; + int r; + if (!kvm_enabled()) { + return -ENOSYS; + } + if (!assign) { + kick.flags |= KVM_IOEVENTFD_FLAG_DEASSIGN; + } + r = kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &kick); + if (r < 0) { + return r; + } + return 0; +} + + static int kvm_check_many_ioeventfds(void) { /* Userspace can use ioeventfd for io notification. This requires a host @@ -1971,59 +2025,6 @@ int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset) return r; } - -int kvm_set_ioeventfd_mmio(int fd, uint32_t addr, uint32_t val, bool assign, - uint32_t size) -{ - int ret; - struct kvm_ioeventfd iofd; - - iofd.datamatch = val; - iofd.addr = addr; - iofd.len = size; - iofd.flags = KVM_IOEVENTFD_FLAG_DATAMATCH; - iofd.fd = fd; - - if (!kvm_enabled()) { - return -ENOSYS; - } - - if (!assign) { - iofd.flags |= KVM_IOEVENTFD_FLAG_DEASSIGN; - } - - ret = kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &iofd); - - if (ret < 0) { - return -errno; - } - - return 0; -} - -int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign) -{ - struct kvm_ioeventfd kick = { - .datamatch = val, - .addr = addr, - .len = 2, - .flags = KVM_IOEVENTFD_FLAG_DATAMATCH | KVM_IOEVENTFD_FLAG_PIO, - .fd = fd, - }; - int r; - if (!kvm_enabled()) { - return -ENOSYS; - } - if (!assign) { - kick.flags |= KVM_IOEVENTFD_FLAG_DEASSIGN; - } - r = kvm_vm_ioctl(kvm_state, KVM_IOEVENTFD, &kick); - if (r < 0) { - return r; - } - return 0; -} - int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr) { return kvm_arch_on_sigbus_vcpu(cpu, code, addr); diff --git a/kvm-stub.c b/kvm-stub.c index 760aadc874..ef1f201734 100644 --- a/kvm-stub.c +++ b/kvm-stub.c @@ -102,16 +102,6 @@ int kvm_set_signal_mask(CPUArchState *env, const sigset_t *sigset) } #endif -int kvm_set_ioeventfd_pio_word(int fd, uint16_t addr, uint16_t val, bool assign) -{ - return -ENOSYS; -} - -int kvm_set_ioeventfd_mmio(int fd, uint32_t adr, uint32_t val, bool assign, uint32_t len) -{ - return -ENOSYS; -} - int kvm_on_sigbus_vcpu(CPUState *cpu, int code, void *addr) { return 1; |