svn commit: r343451 - in head/sys/compat/linuxkpi/common: include/linux src

[Hans Petter Selasky]

Author: hselasky
Date: Fri Jan 25 20:13:28 2019
New Revision: 343451
URL: https://svnweb.freebsd.org/changeset/base/343451

Log:
  Add full support for PCI_ANY_ID when matching PCI IDs in the LinuxKPI.
  
  MFC after:		1 week
  Sponsored by:		Mellanox Technologies

Modified:
  head/sys/compat/linuxkpi/common/include/linux/pci.h
  head/sys/compat/linuxkpi/common/src/linux_pci.c

Modified: head/sys/compat/linuxkpi/common/include/linux/pci.h
==============================================================================
--- head/sys/compat/linuxkpi/common/include/linux/pci.h	Fri Jan 25 20:10:57 2019	(r343450)
+++ head/sys/compat/linuxkpi/common/include/linux/pci.h	Fri Jan 25 20:13:28 2019	(r343451)
@@ -71,7 +71,7 @@ struct pci_device_id {
 #define	PCI_BASE_CLASS_BRIDGE		0x06
 #define	PCI_CLASS_BRIDGE_ISA		0x0601
 
-#define	PCI_ANY_ID		(-1)
+#define	PCI_ANY_ID			-1U
 #define	PCI_VENDOR_ID_APPLE		0x106b
 #define	PCI_VENDOR_ID_ASUSTEK		0x1043
 #define	PCI_VENDOR_ID_ATI		0x1002

Modified: head/sys/compat/linuxkpi/common/src/linux_pci.c
==============================================================================
--- head/sys/compat/linuxkpi/common/src/linux_pci.c	Fri Jan 25 20:10:57 2019	(r343450)
+++ head/sys/compat/linuxkpi/common/src/linux_pci.c	Fri Jan 25 20:13:28 2019	(r343451)
@@ -82,14 +82,21 @@ linux_pci_find(device_t dev, const struct pci_device_i
 	struct pci_driver *pdrv;
 	uint16_t vendor;
 	uint16_t device;
+	uint16_t subvendor;
+	uint16_t subdevice;
 
 	vendor = pci_get_vendor(dev);
 	device = pci_get_device(dev);
+	subvendor = pci_get_subvendor(dev);
+	subdevice = pci_get_subdevice(dev);
 
 	spin_lock(&pci_lock);
 	list_for_each_entry(pdrv, &pci_drivers, links) {
 		for (id = pdrv->id_table; id->vendor != 0; id++) {
-			if (vendor == id->vendor && device == id->device) {
+			if (vendor == id->vendor &&
+			    (PCI_ANY_ID == id->device || device == id->device) &&
+			    (PCI_ANY_ID == id->subvendor || subvendor == id->subvendor) &&
+			    (PCI_ANY_ID == id->subdevice || subdevice == id->subdevice)) {
 				*idp = id;
 				spin_unlock(&pci_lock);
 				return (pdrv);
@@ -145,8 +152,8 @@ linux_pci_attach(device_t dev)
 	pdev->dev.bsddev = dev;
 	INIT_LIST_HEAD(&pdev->dev.irqents);
 	pdev->devfn = PCI_DEVFN(pci_get_slot(dev), pci_get_function(dev));
-	pdev->device = id->device;
-	pdev->vendor = id->vendor;
+	pdev->device = dinfo->cfg.device;
+	pdev->vendor = dinfo->cfg.vendor;
 	pdev->subsystem_vendor = dinfo->cfg.subvendor;
 	pdev->subsystem_device = dinfo->cfg.subdevice;
 	pdev->class = pci_get_class(dev);