summaryrefslogtreecommitdiff
path: root/drivers/vfio/pci/vfio_pci_private.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/vfio/pci/vfio_pci_private.h')
-rw-r--r--drivers/vfio/pci/vfio_pci_private.h215
1 files changed, 0 insertions, 215 deletions
diff --git a/drivers/vfio/pci/vfio_pci_private.h b/drivers/vfio/pci/vfio_pci_private.h
deleted file mode 100644
index 5a36272cecbf..000000000000
--- a/drivers/vfio/pci/vfio_pci_private.h
+++ /dev/null
@@ -1,215 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Copyright (C) 2012 Red Hat, Inc. All rights reserved.
- * Author: Alex Williamson <alex.williamson@redhat.com>
- *
- * Derived from original vfio:
- * Copyright 2010 Cisco Systems, Inc. All rights reserved.
- * Author: Tom Lyon, pugs@cisco.com
- */
-
-#include <linux/mutex.h>
-#include <linux/pci.h>
-#include <linux/irqbypass.h>
-#include <linux/types.h>
-#include <linux/uuid.h>
-#include <linux/notifier.h>
-
-#ifndef VFIO_PCI_PRIVATE_H
-#define VFIO_PCI_PRIVATE_H
-
-#define VFIO_PCI_OFFSET_SHIFT 40
-
-#define VFIO_PCI_OFFSET_TO_INDEX(off) (off >> VFIO_PCI_OFFSET_SHIFT)
-#define VFIO_PCI_INDEX_TO_OFFSET(index) ((u64)(index) << VFIO_PCI_OFFSET_SHIFT)
-#define VFIO_PCI_OFFSET_MASK (((u64)(1) << VFIO_PCI_OFFSET_SHIFT) - 1)
-
-/* Special capability IDs predefined access */
-#define PCI_CAP_ID_INVALID 0xFF /* default raw access */
-#define PCI_CAP_ID_INVALID_VIRT 0xFE /* default virt access */
-
-/* Cap maximum number of ioeventfds per device (arbitrary) */
-#define VFIO_PCI_IOEVENTFD_MAX 1000
-
-struct vfio_pci_ioeventfd {
- struct list_head next;
- struct vfio_pci_device *vdev;
- struct virqfd *virqfd;
- void __iomem *addr;
- uint64_t data;
- loff_t pos;
- int bar;
- int count;
- bool test_mem;
-};
-
-struct vfio_pci_irq_ctx {
- struct eventfd_ctx *trigger;
- struct virqfd *unmask;
- struct virqfd *mask;
- char *name;
- bool masked;
- struct irq_bypass_producer producer;
-};
-
-struct vfio_pci_device;
-struct vfio_pci_region;
-
-struct vfio_pci_regops {
- size_t (*rw)(struct vfio_pci_device *vdev, char __user *buf,
- size_t count, loff_t *ppos, bool iswrite);
- void (*release)(struct vfio_pci_device *vdev,
- struct vfio_pci_region *region);
- int (*mmap)(struct vfio_pci_device *vdev,
- struct vfio_pci_region *region,
- struct vm_area_struct *vma);
- int (*add_capability)(struct vfio_pci_device *vdev,
- struct vfio_pci_region *region,
- struct vfio_info_cap *caps);
-};
-
-struct vfio_pci_region {
- u32 type;
- u32 subtype;
- const struct vfio_pci_regops *ops;
- void *data;
- size_t size;
- u32 flags;
-};
-
-struct vfio_pci_dummy_resource {
- struct resource resource;
- int index;
- struct list_head res_next;
-};
-
-struct vfio_pci_reflck {
- struct kref kref;
- struct mutex lock;
-};
-
-struct vfio_pci_vf_token {
- struct mutex lock;
- uuid_t uuid;
- int users;
-};
-
-struct vfio_pci_mmap_vma {
- struct vm_area_struct *vma;
- struct list_head vma_next;
-};
-
-struct vfio_pci_device {
- struct vfio_device vdev;
- struct pci_dev *pdev;
- void __iomem *barmap[PCI_STD_NUM_BARS];
- bool bar_mmap_supported[PCI_STD_NUM_BARS];
- u8 *pci_config_map;
- u8 *vconfig;
- struct perm_bits *msi_perm;
- spinlock_t irqlock;
- struct mutex igate;
- struct vfio_pci_irq_ctx *ctx;
- int num_ctx;
- int irq_type;
- int num_regions;
- struct vfio_pci_region *region;
- u8 msi_qmax;
- u8 msix_bar;
- u16 msix_size;
- u32 msix_offset;
- u32 rbar[7];
- bool pci_2_3;
- bool virq_disabled;
- bool reset_works;
- bool extended_caps;
- bool bardirty;
- bool has_vga;
- bool needs_reset;
- bool nointx;
- bool needs_pm_restore;
- struct pci_saved_state *pci_saved_state;
- struct pci_saved_state *pm_save;
- struct vfio_pci_reflck *reflck;
- int refcnt;
- int ioeventfds_nr;
- struct eventfd_ctx *err_trigger;
- struct eventfd_ctx *req_trigger;
- struct list_head dummy_resources_list;
- struct mutex ioeventfds_lock;
- struct list_head ioeventfds_list;
- struct vfio_pci_vf_token *vf_token;
- struct notifier_block nb;
- struct mutex vma_lock;
- struct list_head vma_list;
- struct rw_semaphore memory_lock;
-};
-
-#define is_intx(vdev) (vdev->irq_type == VFIO_PCI_INTX_IRQ_INDEX)
-#define is_msi(vdev) (vdev->irq_type == VFIO_PCI_MSI_IRQ_INDEX)
-#define is_msix(vdev) (vdev->irq_type == VFIO_PCI_MSIX_IRQ_INDEX)
-#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_device *vdev);
-extern void vfio_pci_intx_unmask(struct vfio_pci_device *vdev);
-
-extern int vfio_pci_set_irqs_ioctl(struct vfio_pci_device *vdev,
- uint32_t flags, unsigned index,
- unsigned start, unsigned count, void *data);
-
-extern ssize_t vfio_pci_config_rw(struct vfio_pci_device *vdev,
- char __user *buf, size_t count,
- loff_t *ppos, bool iswrite);
-
-extern ssize_t vfio_pci_bar_rw(struct vfio_pci_device *vdev, char __user *buf,
- size_t count, loff_t *ppos, bool iswrite);
-
-extern ssize_t vfio_pci_vga_rw(struct vfio_pci_device *vdev, char __user *buf,
- size_t count, loff_t *ppos, bool iswrite);
-
-extern long vfio_pci_ioeventfd(struct vfio_pci_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);
-
-extern int vfio_config_init(struct vfio_pci_device *vdev);
-extern void vfio_config_free(struct vfio_pci_device *vdev);
-
-extern int vfio_pci_register_dev_region(struct vfio_pci_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_device *vdev,
- pci_power_t state);
-
-extern bool __vfio_pci_memory_enabled(struct vfio_pci_device *vdev);
-extern void vfio_pci_zap_and_down_write_memory_lock(struct vfio_pci_device
- *vdev);
-extern u16 vfio_pci_memory_lock_and_enable(struct vfio_pci_device *vdev);
-extern void vfio_pci_memory_unlock_and_restore(struct vfio_pci_device *vdev,
- u16 cmd);
-
-#ifdef CONFIG_VFIO_PCI_IGD
-extern int vfio_pci_igd_init(struct vfio_pci_device *vdev);
-#else
-static inline int vfio_pci_igd_init(struct vfio_pci_device *vdev)
-{
- return -ENODEV;
-}
-#endif
-
-#ifdef CONFIG_S390
-extern int vfio_pci_info_zdev_add_caps(struct vfio_pci_device *vdev,
- struct vfio_info_cap *caps);
-#else
-static inline int vfio_pci_info_zdev_add_caps(struct vfio_pci_device *vdev,
- struct vfio_info_cap *caps)
-{
- return -ENODEV;
-}
-#endif
-
-#endif /* VFIO_PCI_PRIVATE_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 04:56:14 +0000