netdev - [PATCH net-next 09/10] PCI: Add PCI_VDEVICE

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Message-ID: <20241220201521.3363985-10-anthony.l.nguyen@intel.com>
Date: Fri, 20 Dec 2024 12:15:14 -0800
From: Tony Nguyen <anthony.l.nguyen@...el.com>
To: davem@...emloft.net,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	andrew+netdev@...n.ch,
	netdev@...r.kernel.org
Cc: Piotr Kwapulinski <piotr.kwapulinski@...el.com>,
	anthony.l.nguyen@...el.com,
	przemyslaw.kitszel@...el.com,
	horms@...nel.org,
	bhelgaas@...gle.com,
	linux-pci@...r.kernel.org,
	Rafal Romanowski <rafal.romanowski@...el.com>
Subject: [PATCH net-next 09/10] PCI: Add PCI_VDEVICE_SUB helper macro

From: Piotr Kwapulinski <piotr.kwapulinski@...el.com>

PCI_VDEVICE_SUB generates the pci_device_id struct layout for
the specific PCI device/subdevice. Private data may follow the
output.

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@...el.com>
Acked-by: Bjorn Helgaas <bhelgaas@...gle.com>
Tested-by: Rafal Romanowski <rafal.romanowski@...el.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@...el.com>
---
 include/linux/pci.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/include/linux/pci.h b/include/linux/pci.h
index db9b47ce3eef..414ee5fff66b 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1046,6 +1046,20 @@ struct pci_driver {
 	.vendor = PCI_VENDOR_ID_##vend, .device = (dev), \
 	.subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0
 
+/**
+ * PCI_VDEVICE_SUB - describe a specific PCI device/subdevice in a short form
+ * @vend: the vendor name
+ * @dev: the 16 bit PCI Device ID
+ * @subvend: the 16 bit PCI Subvendor ID
+ * @subdev: the 16 bit PCI Subdevice ID
+ *
+ * Generate the pci_device_id struct layout for the specific PCI
+ * device/subdevice. Private data may follow the output.
+ */
+#define PCI_VDEVICE_SUB(vend, dev, subvend, subdev) \
+	.vendor = PCI_VENDOR_ID_##vend, .device = (dev), \
+	.subvendor = (subvend), .subdevice = (subdev), 0, 0
+
 /**
  * PCI_DEVICE_DATA - macro used to describe a specific PCI device in very short form
  * @vend: the vendor name (without PCI_VENDOR_ID_ prefix)
-- 
2.47.1