Subject: [PATCH] PCI, sysfs: Add pcie attrs for pcie device under pci dev dir.

Will put link_disable and link_retrain

Signed-off-by: Yinghai Lu <yinghai@kernel.org>

---
 drivers/pci/Makefile     |    2 +-
 drivers/pci/pci-sysfs.c  |    1 +
 drivers/pci/pci.h        |    1 +
 drivers/pci/pcie-sysfs.c |   23 +++++++++++++++++++++++
 4 files changed, 26 insertions(+), 1 deletion(-)

Index: linux-2.6/drivers/pci/pci-sysfs.c
===================================================================
--- linux-2.6.orig/drivers/pci/pci-sysfs.c
+++ linux-2.6/drivers/pci/pci-sysfs.c
@@ -1608,6 +1608,7 @@ static struct attribute_group pci_dev_br
 static const struct attribute_group *pci_dev_attr_groups[] = {
 	&pci_dev_attr_group,
 	&pci_dev_bridge_attr_group,
+	&pci_dev_pcie_attr_group,
 	&pci_dev_hp_attr_group,
 #ifdef CONFIG_PCI_IOV
 	&sriov_dev_attr_group,
Index: linux-2.6/drivers/pci/pcie-sysfs.c
===================================================================
--- /dev/null
+++ linux-2.6/drivers/pci/pcie-sysfs.c
@@ -0,0 +1,23 @@
+#include <linux/kernel.h>
+#include <linux/pci.h>
+
+static struct attribute *pci_dev_pcie_dev_attrs[] = {
+	NULL,
+};
+
+static umode_t pci_dev_pcie_attrs_are_visible(struct kobject *kobj,
+						struct attribute *a, int n)
+{
+	struct device *dev = container_of(kobj, struct device, kobj);
+	struct pci_dev *pdev = to_pci_dev(dev);
+
+	if (!pci_is_pcie(pdev))
+		return 0;
+
+	return a->mode;
+}
+
+struct attribute_group pci_dev_pcie_attr_group = {
+	.is_visible = pci_dev_pcie_attrs_are_visible,
+	.attrs	    = pci_dev_pcie_dev_attrs,
+};
Index: linux-2.6/drivers/pci/pci.h
===================================================================
--- linux-2.6.orig/drivers/pci/pci.h
+++ linux-2.6/drivers/pci/pci.h
@@ -152,6 +152,7 @@ static inline int pci_no_d1d2(struct pci
 extern const struct attribute_group *pci_dev_groups[];
 extern const struct attribute_group *pcibus_groups[];
 extern struct device_type pci_dev_type;
+extern struct attribute_group pci_dev_pcie_attr_group;
 extern const struct attribute_group *pci_bus_groups[];
 
 
Index: linux-2.6/drivers/pci/Makefile
===================================================================
--- linux-2.6.orig/drivers/pci/Makefile
+++ linux-2.6/drivers/pci/Makefile
@@ -4,7 +4,7 @@
 
 obj-y		+= access.o bus.o probe.o host-bridge.o remove.o pci.o \
 			pci-driver.o search.o pci-sysfs.o rom.o setup-res.o \
-			irq.o vpd.o setup-bus.o pcie-link.o vc.o
+			irq.o vpd.o setup-bus.o pcie-link.o pcie-sysfs.o vc.o
 obj-$(CONFIG_PROC_FS) += proc.o
 obj-$(CONFIG_SYSFS) += slot.o