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KVM: Pass kvm_irqfd to functions

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Prune this down to just the struct kvm_irqfd so we can avoid
changing function definition for every flag or field we use.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
This commit is contained in:
Alex Williamson 2012-06-29 09:56:08 -06:00 committed by Marcelo Tosatti
parent ca24a14557
commit d4db2935e4
3 changed files with 13 additions and 13 deletions
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4
include/linux/kvm_host.h
View File

@ -815,7 +815,7 @@ static inline void kvm_free_irq_routing(struct kvm *kvm) {}
#ifdef CONFIG_HAVE_KVM_EVENTFD #ifdef CONFIG_HAVE_KVM_EVENTFD
void kvm_eventfd_init(struct kvm *kvm); void kvm_eventfd_init(struct kvm *kvm);
int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags); int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args);
void kvm_irqfd_release(struct kvm *kvm); void kvm_irqfd_release(struct kvm *kvm);
void kvm_irq_routing_update(struct kvm *, struct kvm_irq_routing_table *); void kvm_irq_routing_update(struct kvm *, struct kvm_irq_routing_table *);
int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args); int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
@ -824,7 +824,7 @@ int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args);
static inline void kvm_eventfd_init(struct kvm *kvm) {} static inline void kvm_eventfd_init(struct kvm *kvm) {}
static inline int kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags) static inline int kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args)
{ {
return -EINVAL; return -EINVAL;
} }

20
virt/kvm/eventfd.c
View File

@ -198,7 +198,7 @@ static void irqfd_update(struct kvm *kvm, struct _irqfd *irqfd,
} }
static int static int
kvm_irqfd_assign(struct kvm *kvm, int fd, int gsi) kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
{ {
struct kvm_irq_routing_table *irq_rt; struct kvm_irq_routing_table *irq_rt;
struct _irqfd *irqfd, *tmp; struct _irqfd *irqfd, *tmp;
@ -212,12 +212,12 @@ kvm_irqfd_assign(struct kvm *kvm, int fd, int gsi)
return -ENOMEM; return -ENOMEM;
irqfd->kvm = kvm; irqfd->kvm = kvm;
irqfd->gsi = gsi; irqfd->gsi = args->gsi;
INIT_LIST_HEAD(&irqfd->list); INIT_LIST_HEAD(&irqfd->list);
INIT_WORK(&irqfd->inject, irqfd_inject); INIT_WORK(&irqfd->inject, irqfd_inject);
INIT_WORK(&irqfd->shutdown, irqfd_shutdown); INIT_WORK(&irqfd->shutdown, irqfd_shutdown);
file = eventfd_fget(fd); file = eventfd_fget(args->fd);
if (IS_ERR(file)) { if (IS_ERR(file)) {
ret = PTR_ERR(file); ret = PTR_ERR(file);
goto fail; goto fail;
@ -298,19 +298,19 @@ kvm_eventfd_init(struct kvm *kvm)
* shutdown any irqfd's that match fd+gsi * shutdown any irqfd's that match fd+gsi
*/ */
static int static int
kvm_irqfd_deassign(struct kvm *kvm, int fd, int gsi) kvm_irqfd_deassign(struct kvm *kvm, struct kvm_irqfd *args)
{ {
struct _irqfd *irqfd, *tmp; struct _irqfd *irqfd, *tmp;
struct eventfd_ctx *eventfd; struct eventfd_ctx *eventfd;
eventfd = eventfd_ctx_fdget(fd); eventfd = eventfd_ctx_fdget(args->fd);
if (IS_ERR(eventfd)) if (IS_ERR(eventfd))
return PTR_ERR(eventfd); return PTR_ERR(eventfd);
spin_lock_irq(&kvm->irqfds.lock); spin_lock_irq(&kvm->irqfds.lock);
list_for_each_entry_safe(irqfd, tmp, &kvm->irqfds.items, list) { list_for_each_entry_safe(irqfd, tmp, &kvm->irqfds.items, list) {
if (irqfd->eventfd == eventfd && irqfd->gsi == gsi) { if (irqfd->eventfd == eventfd && irqfd->gsi == args->gsi) {
/* /*
* This rcu_assign_pointer is needed for when * This rcu_assign_pointer is needed for when
* another thread calls kvm_irq_routing_update before * another thread calls kvm_irq_routing_update before
@ -338,12 +338,12 @@ kvm_irqfd_deassign(struct kvm *kvm, int fd, int gsi)
} }
int int
kvm_irqfd(struct kvm *kvm, int fd, int gsi, int flags) kvm_irqfd(struct kvm *kvm, struct kvm_irqfd *args)
{ {
if (flags & KVM_IRQFD_FLAG_DEASSIGN) if (args->flags & KVM_IRQFD_FLAG_DEASSIGN)
return kvm_irqfd_deassign(kvm, fd, gsi); return kvm_irqfd_deassign(kvm, args);
return kvm_irqfd_assign(kvm, fd, gsi); return kvm_irqfd_assign(kvm, args);
} }
/* /*

2
virt/kvm/kvm_main.c
View File

@ -2047,7 +2047,7 @@ static long kvm_vm_ioctl(struct file *filp,
r = -EFAULT; r = -EFAULT;
if (copy_from_user(&data, argp, sizeof data)) if (copy_from_user(&data, argp, sizeof data))
goto out; goto out;
r = kvm_irqfd(kvm, data.fd, data.gsi, data.flags); r = kvm_irqfd(kvm, &data);
break; break;
} }
case KVM_IOEVENTFD: { case KVM_IOEVENTFD: {