diff options
Diffstat (limited to 'crosvm_plugin/crosvm.h')
| -rw-r--r-- | crosvm_plugin/crosvm.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/crosvm_plugin/crosvm.h b/crosvm_plugin/crosvm.h index 81c8ade..d7a036c 100644 --- a/crosvm_plugin/crosvm.h +++ b/crosvm_plugin/crosvm.h @@ -235,7 +235,7 @@ int crosvm_get_pic_state(struct crosvm *, bool __primary, /* Sets the state of interrupt controller in a VM. */ int crosvm_set_pic_state(struct crosvm *, bool __primary, - struct kvm_pic_state *__pic_state); + const struct kvm_pic_state *__pic_state); /* Gets the state of IOAPIC in a VM. */ int crosvm_get_ioapic_state(struct crosvm *, @@ -243,7 +243,7 @@ int crosvm_get_ioapic_state(struct crosvm *, /* Sets the state of IOAPIC in a VM. */ int crosvm_set_ioapic_state(struct crosvm *, - struct kvm_ioapic_state *__ioapic_state); + const struct kvm_ioapic_state *__ioapic_state); /* Gets the state of interrupt controller in a VM. */ int crosvm_get_pit_state(struct crosvm *, struct kvm_pit_state2 *__pit_state); @@ -280,7 +280,7 @@ int crosvm_pause_vcpus(struct crosvm*, uint64_t __cpu_mask, void* __user); int crosvm_start(struct crosvm*); /* - * Registers an eventfd that is triggered asynchronously on write in |__space| + * Allocates an eventfd that is triggered asynchronously on write in |__space| * at the given |__addr|. * * If |__datamatch| is non-NULL, it must be contain |__length| bytes that will @@ -288,8 +288,8 @@ int crosvm_start(struct crosvm*); * the eventfd if equal. If datamatch is NULL all writes to the address will * trigger the eventfd. * - * On successful registration, returns a non-negative eventfd owned by the - * caller. + * On successful allocation, returns a crosvm_io. Obtain the actual fd + * by passing this result to crosvm_io_event_fd(). */ int crosvm_create_io_event(struct crosvm*, uint32_t __space, uint64_t __addr, uint32_t __len, const uint8_t* __datamatch, @@ -423,6 +423,10 @@ struct crosvm_vcpu_event { * than 8 bytes, such as by AVX-512 instructions, multiple vcpu access * events are generated serially to cover each 8 byte fragment of the * access. + * + * Larger I/O accesses are possible. "rep in" can generate I/Os larger + * than 8 bytes, though such accesses can also be split into multiple + * events. Currently kvm doesn't seem to batch "rep out" I/Os. */ uint32_t length; @@ -435,7 +439,7 @@ struct crosvm_vcpu_event { uint8_t _reserved[3]; } io_access; - /* CROSVM_VCPU_EVENT_KIND_USER */ + /* CROSVM_VCPU_EVENT_KIND_PAUSED */ void *user; uint8_t _reserved[64]; |