diff options
| 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 /hw/pci/pci.c | |
| parent | 3123f93d6b85b69ab77f409456fac8ded895efed (diff) | |
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 'hw/pci/pci.c')
| -rw-r--r-- | hw/pci/pci.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/hw/pci/pci.c b/hw/pci/pci.c index 6e7015329c..2f450f6a72 100644 --- a/hw/pci/pci.c +++ b/hw/pci/pci.c @@ -317,6 +317,15 @@ void pci_device_deassert_intx(PCIDevice *dev) } } +static void pci_msi_trigger(PCIDevice *dev, MSIMessage msg) +{ + MemTxAttrs attrs = {}; + + attrs.requester_id = pci_requester_id(dev); + address_space_stl_le(&dev->bus_master_as, msg.address, msg.data, + attrs, NULL); +} + static void pci_reset_regions(PCIDevice *dev) { int r; @@ -1212,6 +1221,8 @@ static void pci_qdev_unrealize(DeviceState *dev) pci_device_deassert_intx(pci_dev); do_pci_unregister_device(pci_dev); + + pci_dev->msi_trigger = NULL; } void pci_register_bar(PCIDevice *pci_dev, int region_num, @@ -2251,6 +2262,8 @@ static void pci_qdev_realize(DeviceState *qdev, Error **errp) } pci_set_power(pci_dev, true); + + pci_dev->msi_trigger = pci_msi_trigger; } PCIDevice *pci_new_multifunction(int devfn, bool multifunction, |