[Qemu-devel] [RFC Patch 01/12] PCI: Add virtfn_index for struct pci_device

[Lan Tianyu]

Add "virtfn_index" member in the struct pci_device to record VF sequence
of PF. This will be used in the VF sysfs node handle.

Signed-off-by: Lan Tianyu <address@hidden>
---
 drivers/pci/iov.c   | 1 +
 include/linux/pci.h | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/pci/iov.c b/drivers/pci/iov.c
index ee0ebff..065b6bb 100644
--- a/drivers/pci/iov.c
+++ b/drivers/pci/iov.c
@@ -136,6 +136,7 @@ static int virtfn_add(struct pci_dev *dev, int id, int 
reset)
        virtfn->physfn = pci_dev_get(dev);
        virtfn->is_virtfn = 1;
        virtfn->multifunction = 0;
+       virtfn->virtfn_index = id;
 
        for (i = 0; i < PCI_SRIOV_NUM_BARS; i++) {
                res = &dev->resource[i + PCI_IOV_RESOURCES];
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 353db8d..85c5531 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -356,6 +356,7 @@ struct pci_dev {
        unsigned int    io_window_1k:1; /* Intel P2P bridge 1K I/O windows */
        unsigned int    irq_managed:1;
        pci_dev_flags_t dev_flags;
+       unsigned int    virtfn_index;
        atomic_t        enable_cnt;     /* pci_enable_device has been called */
 
        u32             saved_config_space[16]; /* config space saved at 
suspend time */
-- 
1.8.4.rc0.1.g8f6a3e5.dirty