+// SPDX-License-Identifier: GPL-2.0
/*******************************************************************************
Intel 10 Gigabit PCI Express Linux driver
Copyright(c) 1999 - 2012 Intel Corporation.
- This program is free software; you can redistribute it and/or modify it
- under the terms and conditions of the GNU General Public License,
- version 2, as published by the Free Software Foundation.
-
- This program is distributed in the hope it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- more details.
-
- You should have received a copy of the GNU General Public License along with
- this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
-
- The full GNU General Public License is included in this distribution in
- the file called "COPYING".
-
Contact Information:
e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
}
#endif /* < 2.4.8 */
+
+
+#if ( LINUX_VERSION_CODE < KERNEL_VERSION(3,10,0) )
+#ifdef CONFIG_PCI_IOV
+int __kc_pci_vfs_assigned(struct pci_dev *dev)
+{
+ unsigned int vfs_assigned = 0;
+#ifdef HAVE_PCI_DEV_FLAGS_ASSIGNED
+ int pos;
+ struct pci_dev *vfdev;
+ unsigned short dev_id;
+
+ /* only search if we are a PF */
+ if (!dev->is_physfn)
+ return 0;
+
+ /* find SR-IOV capability */
+ pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV);
+ if (!pos)
+ return 0;
+
+ /*
+ * * determine the device ID for the VFs, the vendor ID will be the
+ * * same as the PF so there is no need to check for that one
+ * */
+ pci_read_config_word(dev, pos + PCI_SRIOV_VF_DID, &dev_id);
+
+ /* loop through all the VFs to see if we own any that are assigned */
+ vfdev = pci_get_device(dev->vendor, dev_id, NULL);
+ while (vfdev) {
+ /*
+ * * It is considered assigned if it is a virtual function with
+ * * our dev as the physical function and the assigned bit is set
+ * */
+ if (vfdev->is_virtfn && (vfdev->physfn == dev) &&
+ (vfdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED))
+ vfs_assigned++;
+
+ vfdev = pci_get_device(dev->vendor, dev_id, vfdev);
+ }
+
+#endif /* HAVE_PCI_DEV_FLAGS_ASSIGNED */
+ return vfs_assigned;
+}
+
+#endif /* CONFIG_PCI_IOV */
+#endif /* 3.10.0 */
+
+
+
/*****************************************************************************/
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,4,13) )
_kc_pci_map_page(struct pci_dev *dev, struct page *page, unsigned long offset,
size_t size, int direction)
{
- return (((u64) (page - mem_map) << PAGE_SHIFT) + offset +
- PCI_DRAM_OFFSET);
+ return ((u64) (page - mem_map) << PAGE_SHIFT) + offset +
+ PCI_DRAM_OFFSET;
}
#else /* CONFIG_HIGHMEM */
out:
return err;
}
+#endif /* < 2.6.28 */
+#if ( LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0) )
void _kc_skb_add_rx_frag(struct sk_buff *skb, int i, struct page *page,
int off, int size)
{
skb->data_len += size;
skb->truesize += size;
}
-#endif /* < 2.6.28 */
+#endif /* < 3.4.0 */
/*****************************************************************************/
#if ( LINUX_VERSION_CODE < KERNEL_VERSION(2,6,30) )