diff options
author | 2017-04-25 03:31:15 -0700 | |
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committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/vfio/pci.h | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/vfio/pci.h')
-rw-r--r-- | qemu/hw/vfio/pci.h | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/qemu/hw/vfio/pci.h b/qemu/hw/vfio/pci.h deleted file mode 100644 index 3976f6854..000000000 --- a/qemu/hw/vfio/pci.h +++ /dev/null @@ -1,162 +0,0 @@ -/* - * vfio based device assignment support - PCI devices - * - * Copyright Red Hat, Inc. 2012-2015 - * - * Authors: - * Alex Williamson <alex.williamson@redhat.com> - * - * 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_PCI_H -#define HW_VFIO_VFIO_PCI_H - -#include "qemu-common.h" -#include "exec/memory.h" -#include "hw/pci/pci.h" -#include "hw/vfio/vfio-common.h" -#include "qemu/event_notifier.h" -#include "qemu/queue.h" -#include "qemu/timer.h" - -#define PCI_ANY_ID (~0) - -struct VFIOPCIDevice; - -typedef struct VFIOQuirk { - QLIST_ENTRY(VFIOQuirk) next; - void *data; - int nr_mem; - MemoryRegion *mem; -} VFIOQuirk; - -typedef struct VFIOBAR { - VFIORegion region; - bool ioport; - bool mem64; - QLIST_HEAD(, VFIOQuirk) quirks; -} VFIOBAR; - -typedef struct VFIOVGARegion { - MemoryRegion mem; - off_t offset; - int nr; - QLIST_HEAD(, VFIOQuirk) quirks; -} VFIOVGARegion; - -typedef struct VFIOVGA { - off_t fd_offset; - int fd; - VFIOVGARegion region[QEMU_PCI_VGA_NUM_REGIONS]; -} VFIOVGA; - -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; - -typedef struct VFIOMSIVector { - /* - * Two interrupt paths are configured per vector. The first, is only used - * for interrupts injected via QEMU. This is typically the non-accel path, - * but may also be used when we want QEMU to handle masking and pending - * bits. The KVM path bypasses QEMU and is therefore higher performance, - * but requires masking at the device. virq is used to track the MSI route - * through KVM, thus kvm_interrupt is only available when virq is set to a - * valid (>= 0) value. - */ - EventNotifier interrupt; - EventNotifier kvm_interrupt; - struct VFIOPCIDevice *vdev; /* back pointer to device */ - int virq; - bool use; -} VFIOMSIVector; - -enum { - VFIO_INT_NONE = 0, - VFIO_INT_INTx = 1, - VFIO_INT_MSI = 2, - VFIO_INT_MSIX = 3, -}; - -/* 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; - unsigned long *pending; -} VFIOMSIXInfo; - -typedef struct VFIOPCIDevice { - PCIDevice pdev; - VFIODevice vbasedev; - VFIOINTx intx; - unsigned int config_size; - uint8_t *emulated_config_bits; /* QEMU emulated bits, little-endian */ - 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 */ - void *rom; - 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 */ - VFIOVGA *vga; /* 0xa0000, 0x3b0, 0x3c0 */ - PCIHostDeviceAddress host; - EventNotifier err_notifier; - EventNotifier req_notifier; - int (*resetfn)(struct VFIOPCIDevice *); - uint32_t vendor_id; - uint32_t device_id; - uint32_t sub_vendor_id; - uint32_t sub_device_id; - uint32_t features; -#define VFIO_FEATURE_ENABLE_VGA_BIT 0 -#define VFIO_FEATURE_ENABLE_VGA (1 << VFIO_FEATURE_ENABLE_VGA_BIT) -#define VFIO_FEATURE_ENABLE_REQ_BIT 1 -#define VFIO_FEATURE_ENABLE_REQ (1 << VFIO_FEATURE_ENABLE_REQ_BIT) - int32_t bootindex; - uint8_t pm_cap; - bool has_vga; - bool pci_aer; - bool req_enabled; - bool has_flr; - bool has_pm_reset; - bool rom_read_failed; - bool no_kvm_intx; - bool no_kvm_msi; - bool no_kvm_msix; -} VFIOPCIDevice; - -uint32_t vfio_pci_read_config(PCIDevice *pdev, uint32_t addr, int len); -void vfio_pci_write_config(PCIDevice *pdev, - uint32_t addr, uint32_t val, int len); - -uint64_t vfio_vga_read(void *opaque, hwaddr addr, unsigned size); -void vfio_vga_write(void *opaque, hwaddr addr, uint64_t data, unsigned size); - -bool vfio_blacklist_opt_rom(VFIOPCIDevice *vdev); -void vfio_vga_quirk_setup(VFIOPCIDevice *vdev); -void vfio_vga_quirk_exit(VFIOPCIDevice *vdev); -void vfio_vga_quirk_finalize(VFIOPCIDevice *vdev); -void vfio_bar_quirk_setup(VFIOPCIDevice *vdev, int nr); -void vfio_bar_quirk_exit(VFIOPCIDevice *vdev, int nr); -void vfio_bar_quirk_finalize(VFIOPCIDevice *vdev, int nr); -void vfio_setup_resetfn_quirk(VFIOPCIDevice *vdev); - -int vfio_populate_vga(VFIOPCIDevice *vdev); - -#endif /* HW_VFIO_VFIO_PCI_H */ |