[S] Change in coreboot[master]: include/device/device_util.c: add helpers to check pci device enabled

[Fabio Aiuto (Code Review)]

Fabio Aiuto has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/68101 )

Change subject: include/device/device_util.c: add helpers to check pci device enabled
......................................................................

include/device/device_util.c: add helpers to check pci device enabled

add helper functions to check whether a device is enabled pci
device or a pci device on a specific bus number.

TEST: compile and qemu run successfully

Signed-off-by: Fabio Aiuto 
Change-Id: I3257c8404017372f6cdd9f6cf9453502447343a0
---
M src/device/device_util.c
M src/include/device/device.h
2 files changed, 33 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/01/68101/1

diff --git a/src/device/device_util.c b/src/device/device_util.c
index 0be6cfb..8bba781 100644
--- a/src/device/device_util.c
+++ b/src/device/device_util.c
@@ -965,3 +965,18 @@
 {
    return is_cpu(cpu) && cpu->enabled;
 }
+
+bool is_pci(const struct device *pci)
+{
+	return pci->bus->dev->path.type == DEVICE_PATH_PCI;
+}
+
+bool is_enabled_pci(const struct device *pci)
+{
+	return is_pci(pci) && pci->enabled;
+}
+
+bool is_pci_dev_on_bus(const struct device *pci, unsigned int bus)
+{
+	return is_pci(pci) && pci->bus->secondary == bus;
+}
diff --git a/src/include/device/device.h b/src/include/device/device.h
index a375639..0f9c39f 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -209,6 +209,9 @@
 bool is_devfn_enabled(unsigned int devfn);
 bool is_cpu(const struct device *cpu);
 bool is_enabled_cpu(const struct device *cpu);
+bool is_pci(const struct device *pci);
+bool is_enabled_pci(const struct device *pci);
+bool is_pci_dev_on_bus(const struct device *pci, unsigned int bus);

/* Returns whether there is a hotplug port on the path to the given device. */
 extern bool dev_path_hotplug(const struct device *);