diff options
Diffstat (limited to 'drivers/vdpa/ifcvf/ifcvf_main.c')
| -rw-r--r-- | drivers/vdpa/ifcvf/ifcvf_main.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c index 63a6366b4355..f5a60c14b979 100644 --- a/drivers/vdpa/ifcvf/ifcvf_main.c +++ b/drivers/vdpa/ifcvf/ifcvf_main.c @@ -18,6 +18,16 @@ #define DRIVER_AUTHOR "Intel Corporation" #define IFCVF_DRIVER_NAME "ifcvf" +static irqreturn_t ifcvf_config_changed(int irq, void *arg) +{ + struct ifcvf_hw *vf = arg; + + if (vf->config_cb.callback) + return vf->config_cb.callback(vf->config_cb.private); + + return IRQ_HANDLED; +} + static irqreturn_t ifcvf_intr_handler(int irq, void *arg) { struct vring_info *vring = arg; @@ -59,6 +69,14 @@ static int ifcvf_request_irq(struct ifcvf_adapter *adapter) return ret; } + snprintf(vf->config_msix_name, 256, "ifcvf[%s]-config\n", + pci_name(pdev)); + vector = 0; + irq = pci_irq_vector(pdev, vector); + ret = devm_request_irq(&pdev->dev, irq, + ifcvf_config_changed, 0, + vf->config_msix_name, vf); + for (i = 0; i < IFCVF_MAX_QUEUE_PAIRS * 2; i++) { snprintf(vf->vring[i].msix_name, 256, "ifcvf[%s]-%d\n", pci_name(pdev), i); @@ -328,7 +346,10 @@ static void ifcvf_vdpa_set_config(struct vdpa_device *vdpa_dev, static void ifcvf_vdpa_set_config_cb(struct vdpa_device *vdpa_dev, struct vdpa_callback *cb) { - /* We don't support config interrupt */ + struct ifcvf_hw *vf = vdpa_to_vf(vdpa_dev); + + vf->config_cb.callback = cb->callback; + vf->config_cb.private = cb->private; } /* |