diff options
Diffstat (limited to 'qemu/include/hw/vfio')
| -rw-r--r-- | qemu/include/hw/vfio/vfio-amd-xgbe.h | 51 | ||||
| -rw-r--r-- | qemu/include/hw/vfio/vfio-common.h | 61 | ||||
| -rw-r--r-- | qemu/include/hw/vfio/vfio-platform.h | 4 | ||||
| -rw-r--r-- | qemu/include/hw/vfio/vfio.h | 6 |
4 files changed, 90 insertions, 32 deletions
diff --git a/qemu/include/hw/vfio/vfio-amd-xgbe.h b/qemu/include/hw/vfio/vfio-amd-xgbe.h new file mode 100644 index 000000000..9fff65e99 --- /dev/null +++ b/qemu/include/hw/vfio/vfio-amd-xgbe.h @@ -0,0 +1,51 @@ +/* + * VFIO AMD XGBE device + * + * Copyright Linaro Limited, 2015 + * + * Authors: + * Eric Auger <eric.auger@linaro.org> + * + * 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_VFIO_AMD_XGBE_H +#define HW_VFIO_VFIO_AMD_XGBE_H + +#include "hw/vfio/vfio-platform.h" + +#define TYPE_VFIO_AMD_XGBE "vfio-amd-xgbe" + +/** + * This device exposes: + * - 5 MMIO regions: MAC, PCS, SerDes Rx/Tx regs, + SerDes Integration Registers 1/2 & 2/2 + * - 2 level sensitive IRQs and optional DMA channel IRQs + */ +struct VFIOAmdXgbeDevice { + VFIOPlatformDevice vdev; +}; + +typedef struct VFIOAmdXgbeDevice VFIOAmdXgbeDevice; + +struct VFIOAmdXgbeDeviceClass { + /*< private >*/ + VFIOPlatformDeviceClass parent_class; + /*< public >*/ + DeviceRealize parent_realize; +}; + +typedef struct VFIOAmdXgbeDeviceClass VFIOAmdXgbeDeviceClass; + +#define VFIO_AMD_XGBE_DEVICE(obj) \ + OBJECT_CHECK(VFIOAmdXgbeDevice, (obj), TYPE_VFIO_AMD_XGBE) +#define VFIO_AMD_XGBE_DEVICE_CLASS(klass) \ + OBJECT_CLASS_CHECK(VFIOAmdXgbeDeviceClass, (klass), \ + TYPE_VFIO_AMD_XGBE) +#define VFIO_AMD_XGBE_DEVICE_GET_CLASS(obj) \ + OBJECT_GET_CLASS(VFIOAmdXgbeDeviceClass, (obj), \ + TYPE_VFIO_AMD_XGBE) + +#endif diff --git a/qemu/include/hw/vfio/vfio-common.h b/qemu/include/hw/vfio/vfio-common.h index 59a321d47..eb0e1b034 100644 --- a/qemu/include/hw/vfio/vfio-common.h +++ b/qemu/include/hw/vfio/vfio-common.h @@ -25,6 +25,9 @@ #include "exec/memory.h" #include "qemu/queue.h" #include "qemu/notify.h" +#ifdef CONFIG_LINUX +#include <linux/vfio.h> +#endif /*#define DEBUG_VFIO*/ #ifdef DEBUG_VFIO @@ -35,24 +38,26 @@ do { } while (0) #endif -/* Extra debugging, trap acceleration paths for more logging */ -#define VFIO_ALLOW_KVM_INTX 1 -#define VFIO_ALLOW_KVM_MSI 1 -#define VFIO_ALLOW_KVM_MSIX 1 - enum { VFIO_DEVICE_TYPE_PCI = 0, VFIO_DEVICE_TYPE_PLATFORM = 1, }; +typedef struct VFIOMmap { + MemoryRegion mem; + void *mmap; + off_t offset; + size_t size; +} VFIOMmap; + typedef struct VFIORegion { struct VFIODevice *vbasedev; off_t fd_offset; /* offset of region within device fd */ - MemoryRegion mem; /* slow, read/write access */ - MemoryRegion mmap_mem; /* direct mapped access */ - void *mmap; + MemoryRegion *mem; /* slow, read/write access */ size_t size; uint32_t flags; /* VFIO region flags (rd/wr/mmap) */ + uint32_t nr_mmaps; + VFIOMmap *mmaps; uint8_t nr; /* cache the region number for debug */ } VFIORegion; @@ -64,22 +69,19 @@ typedef struct VFIOAddressSpace { struct VFIOGroup; -typedef struct VFIOType1 { - MemoryListener listener; - int error; - bool initialized; -} VFIOType1; - typedef struct VFIOContainer { VFIOAddressSpace *space; int fd; /* /dev/vfio/vfio, empowered by the attached groups */ - struct { - /* enable abstraction to support various iommu backends */ - union { - VFIOType1 type1; - }; - void (*release)(struct VFIOContainer *); - } iommu_data; + MemoryListener listener; + int error; + bool initialized; + /* + * This assumes the host IOMMU can support only a single + * contiguous IOVA window. We may need to generalize that in + * future + */ + hwaddr min_iova, max_iova; + uint64_t iova_pgsizes; QLIST_HEAD(, VFIOGuestIOMMU) giommu_list; QLIST_HEAD(, VFIOGroup) group_list; QLIST_ENTRY(VFIOContainer) next; @@ -97,12 +99,13 @@ typedef struct VFIODeviceOps VFIODeviceOps; typedef struct VFIODevice { QLIST_ENTRY(VFIODevice) next; struct VFIOGroup *group; + char *sysfsdev; char *name; int fd; int type; bool reset_works; bool needs_reset; - bool allow_mmap; + bool no_mmap; VFIODeviceOps *ops; unsigned int num_irqs; unsigned int num_regions; @@ -132,10 +135,12 @@ void vfio_region_write(void *opaque, hwaddr addr, uint64_t data, unsigned size); uint64_t vfio_region_read(void *opaque, hwaddr addr, unsigned size); -int vfio_mmap_region(Object *vdev, VFIORegion *region, - MemoryRegion *mem, MemoryRegion *submem, - void **map, size_t size, off_t offset, - const char *name); +int vfio_region_setup(Object *obj, VFIODevice *vbasedev, VFIORegion *region, + int index, const char *name); +int vfio_region_mmap(VFIORegion *region); +void vfio_region_mmaps_set_enabled(VFIORegion *region, bool enabled); +void vfio_region_exit(VFIORegion *region); +void vfio_region_finalize(VFIORegion *region); void vfio_reset_handler(void *opaque); VFIOGroup *vfio_get_group(int groupid, AddressSpace *as); void vfio_put_group(VFIOGroup *group); @@ -146,4 +151,8 @@ extern const MemoryRegionOps vfio_region_ops; extern QLIST_HEAD(vfio_group_head, VFIOGroup) vfio_group_list; extern QLIST_HEAD(vfio_as_head, VFIOAddressSpace) vfio_address_spaces; +#ifdef CONFIG_LINUX +int vfio_get_region_info(VFIODevice *vbasedev, int index, + struct vfio_region_info **info); +#endif #endif /* !HW_VFIO_VFIO_COMMON_H */ diff --git a/qemu/include/hw/vfio/vfio-platform.h b/qemu/include/hw/vfio/vfio-platform.h index c5cf1d79f..b468f80b1 100644 --- a/qemu/include/hw/vfio/vfio-platform.h +++ b/qemu/include/hw/vfio/vfio-platform.h @@ -34,8 +34,8 @@ enum { typedef struct VFIOINTp { QLIST_ENTRY(VFIOINTp) next; /* entry for IRQ list */ QSIMPLEQ_ENTRY(VFIOINTp) pqnext; /* entry for pending IRQ queue */ - EventNotifier interrupt; /* eventfd triggered on interrupt */ - EventNotifier unmask; /* eventfd for unmask on QEMU bypass */ + EventNotifier *interrupt; /* eventfd triggered on interrupt */ + EventNotifier *unmask; /* eventfd for unmask on QEMU bypass */ qemu_irq qemuirq; struct VFIOPlatformDevice *vdev; /* back pointer to device */ int state; /* inactive, pending, active */ diff --git a/qemu/include/hw/vfio/vfio.h b/qemu/include/hw/vfio/vfio.h index 0b26cd8e1..f27d59922 100644 --- a/qemu/include/hw/vfio/vfio.h +++ b/qemu/include/hw/vfio/vfio.h @@ -1,9 +1,7 @@ #ifndef VFIO_API_H #define VFIO_API_H -#include "qemu/typedefs.h" - -extern int vfio_container_ioctl(AddressSpace *as, int32_t groupid, - int req, void *param); +bool vfio_eeh_as_ok(AddressSpace *as); +int vfio_eeh_as_op(AddressSpace *as, uint32_t op); #endif |