diff mbox series

[4/7] accel/qaic: Add support for MSI-X

Message ID 20241213213340.2551697-5-quic_jhugo@quicinc.com
State New
Headers show
Series accel/qaic: Initial AIC200 support | expand

Commit Message

Jeffrey Hugo Dec. 13, 2024, 9:33 p.m. UTC 
From: Youssef Samir <quic_yabdulra@quicinc.com>

AIC200 device will support MSI-X while AIC100 devices will keep using
MSI. pci_alloc_irq_vectors() will try to allocate MSI-X vectors if it
is supported by the target device, otherwise, it will fallback to MSI.

Add support for MSI-X vectors allocation for AIC200 devices.

Signed-off-by: Youssef Samir <quic_yabdulra@quicinc.com>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Signed-off-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
---
 drivers/accel/qaic/qaic_drv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/accel/qaic/qaic_drv.c b/drivers/accel/qaic/qaic_drv.c
index 6e9bed17b3f1..ce0428f6cb82 100644
--- a/drivers/accel/qaic/qaic_drv.c
+++ b/drivers/accel/qaic/qaic_drv.c
@@ -471,9 +471,9 @@  static int init_msi(struct qaic_device *qdev, struct pci_dev *pdev)
 	int i;
 
 	/* Managed release since we use pcim_enable_device */
-	ret = pci_alloc_irq_vectors(pdev, irq_count, irq_count, PCI_IRQ_MSI);
+	ret = pci_alloc_irq_vectors(pdev, irq_count, irq_count, PCI_IRQ_MSI | PCI_IRQ_MSIX);
 	if (ret == -ENOSPC) {
-		ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI);
+		ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSI | PCI_IRQ_MSIX);
 		if (ret < 0)
 			return ret;