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| author | Jagannathan Raman <jag.raman@oracle.com> | 2022-06-13 16:26:33 -0400 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2022-06-15 16:43:42 +0100 |
| commit | 08cf3dc611991e9697f62458107e13f2c582869a (patch) | |
| tree | 074a48604250f4bef72d3986fdb72a3873b5f28d /include/hw | |
| parent | 3123f93d6b85b69ab77f409456fac8ded895efed (diff) | |
| download | qemu-08cf3dc611991e9697f62458107e13f2c582869a.zip qemu-08cf3dc611991e9697f62458107e13f2c582869a.tar.gz qemu-08cf3dc611991e9697f62458107e13f2c582869a.tar.bz2 | |
vfio-user: handle device interrupts
Forward remote device's interrupts to the guest
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Message-id: 9523479eaafe050677f4de2af5dd0df18c27cfd9.1655151679.git.jag.raman@oracle.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'include/hw')
| -rw-r--r-- | include/hw/pci/msi.h | 1 | ||||
| -rw-r--r-- | include/hw/pci/msix.h | 1 | ||||
| -rw-r--r-- | include/hw/pci/pci.h | 13 | ||||
| -rw-r--r-- | include/hw/remote/vfio-user-obj.h | 6 |
4 files changed, 21 insertions, 0 deletions
diff --git a/include/hw/pci/msi.h b/include/hw/pci/msi.h index 40876884..58aa576 100644 --- a/include/hw/pci/msi.h +++ b/include/hw/pci/msi.h @@ -43,6 +43,7 @@ void msi_notify(PCIDevice *dev, unsigned int vector); void msi_send_message(PCIDevice *dev, MSIMessage msg); void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len); unsigned int msi_nr_vectors_allocated(const PCIDevice *dev); +void msi_set_mask(PCIDevice *dev, int vector, bool mask, Error **errp); static inline bool msi_present(const PCIDevice *dev) { diff --git a/include/hw/pci/msix.h b/include/hw/pci/msix.h index 4c4a60c..4f1cda0 100644 --- a/include/hw/pci/msix.h +++ b/include/hw/pci/msix.h @@ -36,6 +36,7 @@ void msix_clr_pending(PCIDevice *dev, int vector); int msix_vector_use(PCIDevice *dev, unsigned vector); void msix_vector_unuse(PCIDevice *dev, unsigned vector); void msix_unuse_all_vectors(PCIDevice *dev); +void msix_set_mask(PCIDevice *dev, int vector, bool mask, Error **errp); void msix_notify(PCIDevice *dev, unsigned vector); diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 44dacfa..b54b6ef 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -16,6 +16,7 @@ extern bool pci_available; #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) #define PCI_FUNC(devfn) ((devfn) & 0x07) #define PCI_BUILD_BDF(bus, devfn) ((bus << 8) | (devfn)) +#define PCI_BDF_TO_DEVFN(x) ((x) & 0xff) #define PCI_BUS_MAX 256 #define PCI_DEVFN_MAX 256 #define PCI_SLOT_MAX 32 @@ -127,6 +128,10 @@ typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num, pcibus_t addr, pcibus_t size, int type); typedef void PCIUnregisterFunc(PCIDevice *pci_dev); +typedef void MSITriggerFunc(PCIDevice *dev, MSIMessage msg); +typedef MSIMessage MSIPrepareMessageFunc(PCIDevice *dev, unsigned vector); +typedef MSIMessage MSIxPrepareMessageFunc(PCIDevice *dev, unsigned vector); + typedef struct PCIIORegion { pcibus_t addr; /* current PCI mapping address. -1 means not mapped */ #define PCI_BAR_UNMAPPED (~(pcibus_t)0) @@ -329,6 +334,14 @@ struct PCIDevice { /* Space to store MSIX table & pending bit array */ uint8_t *msix_table; uint8_t *msix_pba; + + /* May be used by INTx or MSI during interrupt notification */ + void *irq_opaque; + + MSITriggerFunc *msi_trigger; + MSIPrepareMessageFunc *msi_prepare_message; + MSIxPrepareMessageFunc *msix_prepare_message; + /* MemoryRegion container for msix exclusive BAR setup */ MemoryRegion msix_exclusive_bar; /* Memory Regions for MSIX table and pending bit entries. */ diff --git a/include/hw/remote/vfio-user-obj.h b/include/hw/remote/vfio-user-obj.h new file mode 100644 index 0000000..87ab78b --- /dev/null +++ b/include/hw/remote/vfio-user-obj.h @@ -0,0 +1,6 @@ +#ifndef VFIO_USER_OBJ_H +#define VFIO_USER_OBJ_H + +void vfu_object_set_bus_irq(PCIBus *pci_bus); + +#endif |