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-rw-r--r--Documentation/driver-api/vfio-mediated-device.rst10
-rw-r--r--drivers/s390/cio/vfio_ccw_cp.h12
-rw-r--r--drivers/s390/cio/vfio_ccw_private.h6
-rw-r--r--drivers/vfio/fsl-mc/vfio_fsl_mc_private.h2
-rw-r--r--drivers/vfio/platform/vfio_platform_private.h21
-rw-r--r--include/linux/vfio.h70
-rw-r--r--include/linux/vfio_pci_core.h65
7 files changed, 91 insertions, 95 deletions
diff --git a/Documentation/driver-api/vfio-mediated-device.rst b/Documentation/driver-api/vfio-mediated-device.rst
index eded8719180f..1c57815619fd 100644
--- a/Documentation/driver-api/vfio-mediated-device.rst
+++ b/Documentation/driver-api/vfio-mediated-device.rst
@@ -114,11 +114,11 @@ to register and unregister itself with the core driver:
* Register::
- extern int mdev_register_driver(struct mdev_driver *drv);
+ int mdev_register_driver(struct mdev_driver *drv);
* Unregister::
- extern void mdev_unregister_driver(struct mdev_driver *drv);
+ void mdev_unregister_driver(struct mdev_driver *drv);
The mediated bus driver's probe function should create a vfio_device on top of
the mdev_device and connect it to an appropriate implementation of
@@ -127,8 +127,8 @@ vfio_device_ops.
When a driver wants to add the GUID creation sysfs to an existing device it has
probe'd to then it should call::
- extern int mdev_register_device(struct device *dev,
- struct mdev_driver *mdev_driver);
+ int mdev_register_device(struct device *dev,
+ struct mdev_driver *mdev_driver);
This will provide the 'mdev_supported_types/XX/create' files which can then be
used to trigger the creation of a mdev_device. The created mdev_device will be
@@ -136,7 +136,7 @@ attached to the specified driver.
When the driver needs to remove itself it calls::
- extern void mdev_unregister_device(struct device *dev);
+ void mdev_unregister_device(struct device *dev);
Which will unbind and destroy all the created mdevs and remove the sysfs files.
diff --git a/drivers/s390/cio/vfio_ccw_cp.h b/drivers/s390/cio/vfio_ccw_cp.h
index e4c436199b4c..3194d887e08e 100644
--- a/drivers/s390/cio/vfio_ccw_cp.h
+++ b/drivers/s390/cio/vfio_ccw_cp.h
@@ -41,11 +41,11 @@ struct channel_program {
struct ccw1 *guest_cp;
};
-extern int cp_init(struct channel_program *cp, union orb *orb);
-extern void cp_free(struct channel_program *cp);
-extern int cp_prefetch(struct channel_program *cp);
-extern union orb *cp_get_orb(struct channel_program *cp, u32 intparm, u8 lpm);
-extern void cp_update_scsw(struct channel_program *cp, union scsw *scsw);
-extern bool cp_iova_pinned(struct channel_program *cp, u64 iova);
+int cp_init(struct channel_program *cp, union orb *orb);
+void cp_free(struct channel_program *cp);
+int cp_prefetch(struct channel_program *cp);
+union orb *cp_get_orb(struct channel_program *cp, u32 intparm, u8 lpm);
+void cp_update_scsw(struct channel_program *cp, union scsw *scsw);
+bool cp_iova_pinned(struct channel_program *cp, u64 iova);
#endif
diff --git a/drivers/s390/cio/vfio_ccw_private.h b/drivers/s390/cio/vfio_ccw_private.h
index 7272eb788612..b7163bac8cc7 100644
--- a/drivers/s390/cio/vfio_ccw_private.h
+++ b/drivers/s390/cio/vfio_ccw_private.h
@@ -119,10 +119,10 @@ struct vfio_ccw_private {
struct work_struct crw_work;
} __aligned(8);
-extern int vfio_ccw_mdev_reg(struct subchannel *sch);
-extern void vfio_ccw_mdev_unreg(struct subchannel *sch);
+int vfio_ccw_mdev_reg(struct subchannel *sch);
+void vfio_ccw_mdev_unreg(struct subchannel *sch);
-extern int vfio_ccw_sch_quiesce(struct subchannel *sch);
+int vfio_ccw_sch_quiesce(struct subchannel *sch);
extern struct mdev_driver vfio_ccw_mdev_driver;
diff --git a/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h b/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h
index 4ad63ececb91..7a29f572f93d 100644
--- a/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h
+++ b/drivers/vfio/fsl-mc/vfio_fsl_mc_private.h
@@ -39,7 +39,7 @@ struct vfio_fsl_mc_device {
struct vfio_fsl_mc_irq *mc_irqs;
};
-extern int vfio_fsl_mc_set_irqs_ioctl(struct vfio_fsl_mc_device *vdev,
+int vfio_fsl_mc_set_irqs_ioctl(struct vfio_fsl_mc_device *vdev,
u32 flags, unsigned int index,
unsigned int start, unsigned int count,
void *data);
diff --git a/drivers/vfio/platform/vfio_platform_private.h b/drivers/vfio/platform/vfio_platform_private.h
index 520d2a8e8375..691b43f4b2b2 100644
--- a/drivers/vfio/platform/vfio_platform_private.h
+++ b/drivers/vfio/platform/vfio_platform_private.h
@@ -78,21 +78,20 @@ struct vfio_platform_reset_node {
vfio_platform_reset_fn_t of_reset;
};
-extern int vfio_platform_probe_common(struct vfio_platform_device *vdev,
- struct device *dev);
+int vfio_platform_probe_common(struct vfio_platform_device *vdev,
+ struct device *dev);
void vfio_platform_remove_common(struct vfio_platform_device *vdev);
-extern int vfio_platform_irq_init(struct vfio_platform_device *vdev);
-extern void vfio_platform_irq_cleanup(struct vfio_platform_device *vdev);
+int vfio_platform_irq_init(struct vfio_platform_device *vdev);
+void vfio_platform_irq_cleanup(struct vfio_platform_device *vdev);
-extern int vfio_platform_set_irqs_ioctl(struct vfio_platform_device *vdev,
- uint32_t flags, unsigned index,
- unsigned start, unsigned count,
- void *data);
+int vfio_platform_set_irqs_ioctl(struct vfio_platform_device *vdev,
+ uint32_t flags, unsigned index,
+ unsigned start, unsigned count, void *data);
-extern void __vfio_platform_register_reset(struct vfio_platform_reset_node *n);
-extern void vfio_platform_unregister_reset(const char *compat,
- vfio_platform_reset_fn_t fn);
+void __vfio_platform_register_reset(struct vfio_platform_reset_node *n);
+void vfio_platform_unregister_reset(const char *compat,
+ vfio_platform_reset_fn_t fn);
#define vfio_platform_register_reset(__compat, __reset) \
static struct vfio_platform_reset_node __reset ## _node = { \
.owner = THIS_MODULE, \
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index aa888cc51757..49580fa2073a 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -140,19 +140,19 @@ int vfio_mig_get_next_state(struct vfio_device *device,
/*
* External user API
*/
-extern struct iommu_group *vfio_file_iommu_group(struct file *file);
-extern bool vfio_file_enforced_coherent(struct file *file);
-extern void vfio_file_set_kvm(struct file *file, struct kvm *kvm);
-extern bool vfio_file_has_dev(struct file *file, struct vfio_device *device);
+struct iommu_group *vfio_file_iommu_group(struct file *file);
+bool vfio_file_enforced_coherent(struct file *file);
+void vfio_file_set_kvm(struct file *file, struct kvm *kvm);
+bool vfio_file_has_dev(struct file *file, struct vfio_device *device);
#define VFIO_PIN_PAGES_MAX_ENTRIES (PAGE_SIZE/sizeof(unsigned long))
-extern int vfio_pin_pages(struct vfio_device *device, unsigned long *user_pfn,
- int npage, int prot, unsigned long *phys_pfn);
-extern int vfio_unpin_pages(struct vfio_device *device, unsigned long *user_pfn,
- int npage);
-extern int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova,
- void *data, size_t len, bool write);
+int vfio_pin_pages(struct vfio_device *device, unsigned long *user_pfn,
+ int npage, int prot, unsigned long *phys_pfn);
+int vfio_unpin_pages(struct vfio_device *device, unsigned long *user_pfn,
+ int npage);
+int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova,
+ void *data, size_t len, bool write);
/* each type has independent events */
enum vfio_notify_type {
@@ -162,13 +162,13 @@ enum vfio_notify_type {
/* events for VFIO_IOMMU_NOTIFY */
#define VFIO_IOMMU_NOTIFY_DMA_UNMAP BIT(0)
-extern int vfio_register_notifier(struct vfio_device *device,
- enum vfio_notify_type type,
- unsigned long *required_events,
- struct notifier_block *nb);
-extern int vfio_unregister_notifier(struct vfio_device *device,
- enum vfio_notify_type type,
- struct notifier_block *nb);
+int vfio_register_notifier(struct vfio_device *device,
+ enum vfio_notify_type type,
+ unsigned long *required_events,
+ struct notifier_block *nb);
+int vfio_unregister_notifier(struct vfio_device *device,
+ enum vfio_notify_type type,
+ struct notifier_block *nb);
/*
@@ -178,25 +178,24 @@ struct vfio_info_cap {
struct vfio_info_cap_header *buf;
size_t size;
};
-extern struct vfio_info_cap_header *vfio_info_cap_add(
- struct vfio_info_cap *caps, size_t size, u16 id, u16 version);
-extern void vfio_info_cap_shift(struct vfio_info_cap *caps, size_t offset);
+struct vfio_info_cap_header *vfio_info_cap_add(struct vfio_info_cap *caps,
+ size_t size, u16 id,
+ u16 version);
+void vfio_info_cap_shift(struct vfio_info_cap *caps, size_t offset);
-extern int vfio_info_add_capability(struct vfio_info_cap *caps,
- struct vfio_info_cap_header *cap,
- size_t size);
+int vfio_info_add_capability(struct vfio_info_cap *caps,
+ struct vfio_info_cap_header *cap, size_t size);
-extern int vfio_set_irqs_validate_and_prepare(struct vfio_irq_set *hdr,
- int num_irqs, int max_irq_type,
- size_t *data_size);
+int vfio_set_irqs_validate_and_prepare(struct vfio_irq_set *hdr,
+ int num_irqs, int max_irq_type,
+ size_t *data_size);
struct pci_dev;
#if IS_ENABLED(CONFIG_VFIO_SPAPR_EEH)
-extern void vfio_spapr_pci_eeh_open(struct pci_dev *pdev);
-extern void vfio_spapr_pci_eeh_release(struct pci_dev *pdev);
-extern long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group,
- unsigned int cmd,
- unsigned long arg);
+void vfio_spapr_pci_eeh_open(struct pci_dev *pdev);
+void vfio_spapr_pci_eeh_release(struct pci_dev *pdev);
+long vfio_spapr_iommu_eeh_ioctl(struct iommu_group *group, unsigned int cmd,
+ unsigned long arg);
#else
static inline void vfio_spapr_pci_eeh_open(struct pci_dev *pdev)
{
@@ -230,10 +229,9 @@ struct virqfd {
struct virqfd **pvirqfd;
};
-extern int vfio_virqfd_enable(void *opaque,
- int (*handler)(void *, void *),
- void (*thread)(void *, void *),
- void *data, struct virqfd **pvirqfd, int fd);
-extern void vfio_virqfd_disable(struct virqfd **pvirqfd);
+int vfio_virqfd_enable(void *opaque, int (*handler)(void *, void *),
+ void (*thread)(void *, void *), void *data,
+ struct virqfd **pvirqfd, int fd);
+void vfio_virqfd_disable(struct virqfd **pvirqfd);
#endif /* VFIO_H */
diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h
index 23c176d4b073..22de2bce6394 100644
--- a/include/linux/vfio_pci_core.h
+++ b/include/linux/vfio_pci_core.h
@@ -147,23 +147,23 @@ struct vfio_pci_core_device {
#define is_irq_none(vdev) (!(is_intx(vdev) || is_msi(vdev) || is_msix(vdev)))
#define irq_is(vdev, type) (vdev->irq_type == type)
-extern void vfio_pci_intx_mask(struct vfio_pci_core_device *vdev);
-extern void vfio_pci_intx_unmask(struct vfio_pci_core_device *vdev);
+void vfio_pci_intx_mask(struct vfio_pci_core_device *vdev);
+void vfio_pci_intx_unmask(struct vfio_pci_core_device *vdev);
-extern int vfio_pci_set_irqs_ioctl(struct vfio_pci_core_device *vdev,
- uint32_t flags, unsigned index,
- unsigned start, unsigned count, void *data);
+int vfio_pci_set_irqs_ioctl(struct vfio_pci_core_device *vdev,
+ uint32_t flags, unsigned index,
+ unsigned start, unsigned count, void *data);
-extern ssize_t vfio_pci_config_rw(struct vfio_pci_core_device *vdev,
- char __user *buf, size_t count,
- loff_t *ppos, bool iswrite);
+ssize_t vfio_pci_config_rw(struct vfio_pci_core_device *vdev,
+ char __user *buf, size_t count,
+ loff_t *ppos, bool iswrite);
-extern ssize_t vfio_pci_bar_rw(struct vfio_pci_core_device *vdev, char __user *buf,
- size_t count, loff_t *ppos, bool iswrite);
+ssize_t vfio_pci_bar_rw(struct vfio_pci_core_device *vdev, char __user *buf,
+ size_t count, loff_t *ppos, bool iswrite);
#ifdef CONFIG_VFIO_PCI_VGA
-extern ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev, char __user *buf,
- size_t count, loff_t *ppos, bool iswrite);
+ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev, char __user *buf,
+ size_t count, loff_t *ppos, bool iswrite);
#else
static inline ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev,
char __user *buf, size_t count,
@@ -173,32 +173,31 @@ static inline ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev,
}
#endif
-extern long vfio_pci_ioeventfd(struct vfio_pci_core_device *vdev, loff_t offset,
- uint64_t data, int count, int fd);
+long vfio_pci_ioeventfd(struct vfio_pci_core_device *vdev, loff_t offset,
+ uint64_t data, int count, int fd);
-extern int vfio_pci_init_perm_bits(void);
-extern void vfio_pci_uninit_perm_bits(void);
+int vfio_pci_init_perm_bits(void);
+void vfio_pci_uninit_perm_bits(void);
-extern int vfio_config_init(struct vfio_pci_core_device *vdev);
-extern void vfio_config_free(struct vfio_pci_core_device *vdev);
+int vfio_config_init(struct vfio_pci_core_device *vdev);
+void vfio_config_free(struct vfio_pci_core_device *vdev);
-extern int vfio_pci_register_dev_region(struct vfio_pci_core_device *vdev,
- unsigned int type, unsigned int subtype,
- const struct vfio_pci_regops *ops,
- size_t size, u32 flags, void *data);
+int vfio_pci_register_dev_region(struct vfio_pci_core_device *vdev,
+ unsigned int type, unsigned int subtype,
+ const struct vfio_pci_regops *ops,
+ size_t size, u32 flags, void *data);
-extern int vfio_pci_set_power_state(struct vfio_pci_core_device *vdev,
- pci_power_t state);
+int vfio_pci_set_power_state(struct vfio_pci_core_device *vdev,
+ pci_power_t state);
-extern bool __vfio_pci_memory_enabled(struct vfio_pci_core_device *vdev);
-extern void vfio_pci_zap_and_down_write_memory_lock(struct vfio_pci_core_device
- *vdev);
-extern u16 vfio_pci_memory_lock_and_enable(struct vfio_pci_core_device *vdev);
-extern void vfio_pci_memory_unlock_and_restore(struct vfio_pci_core_device *vdev,
- u16 cmd);
+bool __vfio_pci_memory_enabled(struct vfio_pci_core_device *vdev);
+void vfio_pci_zap_and_down_write_memory_lock(struct vfio_pci_core_device *vdev);
+u16 vfio_pci_memory_lock_and_enable(struct vfio_pci_core_device *vdev);
+void vfio_pci_memory_unlock_and_restore(struct vfio_pci_core_device *vdev,
+ u16 cmd);
#ifdef CONFIG_VFIO_PCI_IGD
-extern int vfio_pci_igd_init(struct vfio_pci_core_device *vdev);
+int vfio_pci_igd_init(struct vfio_pci_core_device *vdev);
#else
static inline int vfio_pci_igd_init(struct vfio_pci_core_device *vdev)
{
@@ -207,8 +206,8 @@ static inline int vfio_pci_igd_init(struct vfio_pci_core_device *vdev)
#endif
#ifdef CONFIG_S390
-extern int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
- struct vfio_info_cap *caps);
+int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
+ struct vfio_info_cap *caps);
#else
static inline int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev,
struct vfio_info_cap *caps)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-18 23:03:55 +0000