diff --git a/hw/vfio_pci.c b/hw/vfio_pci.c index bca40835d6..4d0170756c 100644 --- a/hw/vfio_pci.c +++ b/hw/vfio_pci.c @@ -33,9 +33,11 @@ #include "memory.h" #include "msi.h" #include "msix.h" +#include "pci.h" +#include "qemu-common.h" #include "qemu-error.h" +#include "qemu-queue.h" #include "range.h" -#include "vfio_pci_int.h" /* #define DEBUG_VFIO */ #ifdef DEBUG_VFIO @@ -46,6 +48,99 @@ do { } while (0) #endif +typedef struct VFIOBAR { + off_t fd_offset; /* offset of BAR within device fd */ + int fd; /* device fd, allows us to pass VFIOBAR as opaque data */ + MemoryRegion mem; /* slow, read/write access */ + MemoryRegion mmap_mem; /* direct mapped access */ + void *mmap; + size_t size; + uint32_t flags; /* VFIO region flags (rd/wr/mmap) */ + uint8_t nr; /* cache the BAR number for debug */ +} VFIOBAR; + +typedef struct VFIOINTx { + bool pending; /* interrupt pending */ + bool kvm_accel; /* set when QEMU bypass through KVM enabled */ + uint8_t pin; /* which pin to pull for qemu_set_irq */ + EventNotifier interrupt; /* eventfd triggered on interrupt */ + EventNotifier unmask; /* eventfd for unmask on QEMU bypass */ + PCIINTxRoute route; /* routing info for QEMU bypass */ + uint32_t mmap_timeout; /* delay to re-enable mmaps after interrupt */ + QEMUTimer *mmap_timer; /* enable mmaps after periods w/o interrupts */ +} VFIOINTx; + +struct VFIODevice; + +typedef struct VFIOMSIVector { + EventNotifier interrupt; /* eventfd triggered on interrupt */ + struct VFIODevice *vdev; /* back pointer to device */ + int virq; /* KVM irqchip route for QEMU bypass */ + bool use; +} VFIOMSIVector; + +enum { + VFIO_INT_NONE = 0, + VFIO_INT_INTx = 1, + VFIO_INT_MSI = 2, + VFIO_INT_MSIX = 3, +}; + +struct VFIOGroup; + +typedef struct VFIOContainer { + int fd; /* /dev/vfio/vfio, empowered by the attached groups */ + struct { + /* enable abstraction to support various iommu backends */ + union { + MemoryListener listener; /* Used by type1 iommu */ + }; + void (*release)(struct VFIOContainer *); + } iommu_data; + QLIST_HEAD(, VFIOGroup) group_list; + QLIST_ENTRY(VFIOContainer) next; +} VFIOContainer; + +/* Cache of MSI-X setup plus extra mmap and memory region for split BAR map */ +typedef struct VFIOMSIXInfo { + uint8_t table_bar; + uint8_t pba_bar; + uint16_t entries; + uint32_t table_offset; + uint32_t pba_offset; + MemoryRegion mmap_mem; + void *mmap; +} VFIOMSIXInfo; + +typedef struct VFIODevice { + PCIDevice pdev; + int fd; + VFIOINTx intx; + unsigned int config_size; + off_t config_offset; /* Offset of config space region within device fd */ + unsigned int rom_size; + off_t rom_offset; /* Offset of ROM region within device fd */ + int msi_cap_size; + VFIOMSIVector *msi_vectors; + VFIOMSIXInfo *msix; + int nr_vectors; /* Number of MSI/MSIX vectors currently in use */ + int interrupt; /* Current interrupt type */ + VFIOBAR bars[PCI_NUM_REGIONS - 1]; /* No ROM */ + PCIHostDeviceAddress host; + QLIST_ENTRY(VFIODevice) next; + struct VFIOGroup *group; + bool reset_works; +} VFIODevice; + +typedef struct VFIOGroup { + int fd; + int groupid; + VFIOContainer *container; + QLIST_HEAD(, VFIODevice) device_list; + QLIST_ENTRY(VFIOGroup) next; + QLIST_ENTRY(VFIOGroup) container_next; +} VFIOGroup; + #define MSIX_CAP_LENGTH 12 static QLIST_HEAD(, VFIOContainer) diff --git a/hw/vfio_pci_int.h b/hw/vfio_pci_int.h deleted file mode 100644 index e69bf5f939..0000000000 --- a/hw/vfio_pci_int.h +++ /dev/null @@ -1,114 +0,0 @@ -/* - * vfio based device assignment support - * - * Copyright Red Hat, Inc. 2012 - * - * Authors: - * Alex Williamson - * - * This work is licensed under the terms of the GNU GPL, version 2. See - * the COPYING file in the top-level directory. - */ - -#ifndef HW_VFIO_PCI_INT_H -#define HW_VFIO_PCI_INT_H - -#include "qemu-common.h" -#include "qemu-queue.h" -#include "pci.h" -#include "event_notifier.h" - -typedef struct VFIOBAR { - off_t fd_offset; /* offset of BAR within device fd */ - int fd; /* device fd, allows us to pass VFIOBAR as opaque data */ - MemoryRegion mem; /* slow, read/write access */ - MemoryRegion mmap_mem; /* direct mapped access */ - void *mmap; - size_t size; - uint32_t flags; /* VFIO region flags (rd/wr/mmap) */ - uint8_t nr; /* cache the BAR number for debug */ -} VFIOBAR; - -typedef struct VFIOINTx { - bool pending; /* interrupt pending */ - bool kvm_accel; /* set when QEMU bypass through KVM enabled */ - uint8_t pin; /* which pin to pull for qemu_set_irq */ - EventNotifier interrupt; /* eventfd triggered on interrupt */ - EventNotifier unmask; /* eventfd for unmask on QEMU bypass */ - PCIINTxRoute route; /* routing info for QEMU bypass */ - uint32_t mmap_timeout; /* delay to re-enable mmaps after interrupt */ - QEMUTimer *mmap_timer; /* enable mmaps after periods w/o interrupts */ -} VFIOINTx; - -struct VFIODevice; - -typedef struct VFIOMSIVector { - EventNotifier interrupt; /* eventfd triggered on interrupt */ - struct VFIODevice *vdev; /* back pointer to device */ - int virq; /* KVM irqchip route for QEMU bypass */ - bool use; -} VFIOMSIVector; - -enum { - VFIO_INT_NONE = 0, - VFIO_INT_INTx = 1, - VFIO_INT_MSI = 2, - VFIO_INT_MSIX = 3, -}; - -struct VFIOGroup; - -typedef struct VFIOContainer { - int fd; /* /dev/vfio/vfio, empowered by the attached groups */ - struct { - /* enable abstraction to support various iommu backends */ - union { - MemoryListener listener; /* Used by type1 iommu */ - }; - void (*release)(struct VFIOContainer *); - } iommu_data; - QLIST_HEAD(, VFIOGroup) group_list; - QLIST_ENTRY(VFIOContainer) next; -} VFIOContainer; - -/* Cache of MSI-X setup plus extra mmap and memory region for split BAR map */ -typedef struct VFIOMSIXInfo { - uint8_t table_bar; - uint8_t pba_bar; - uint16_t entries; - uint32_t table_offset; - uint32_t pba_offset; - MemoryRegion mmap_mem; - void *mmap; -} VFIOMSIXInfo; - -typedef struct VFIODevice { - PCIDevice pdev; - int fd; - VFIOINTx intx; - unsigned int config_size; - off_t config_offset; /* Offset of config space region within device fd */ - unsigned int rom_size; - off_t rom_offset; /* Offset of ROM region within device fd */ - int msi_cap_size; - VFIOMSIVector *msi_vectors; - VFIOMSIXInfo *msix; - int nr_vectors; /* Number of MSI/MSIX vectors currently in use */ - int interrupt; /* Current interrupt type */ - VFIOBAR bars[PCI_NUM_REGIONS - 1]; /* No ROM */ - PCIHostDeviceAddress host; - QLIST_ENTRY(VFIODevice) next; - struct VFIOGroup *group; - bool reset_works; -} VFIODevice; - -typedef struct VFIOGroup { - int fd; - int groupid; - VFIOContainer *container; - QLIST_HEAD(, VFIODevice) device_list; - QLIST_ENTRY(VFIOGroup) next; - QLIST_ENTRY(VFIOGroup) container_next; -} VFIOGroup; - -#endif /* HW_VFIO_PCI_INT_H */