diff options
| author | Patrick Rudolph <patrick.rudolph@9elements.com> | 2024-10-24 12:49:02 +0200 |
|---|---|---|
| committer | Lean Sheng Tan <sheng.tan@9elements.com> | 2024-11-16 22:08:17 +0000 |
| commit | 4dcda853fd26623c09ce40cfb75e1e25c81434f1 (patch) | |
| tree | 21dc53d0f3bc49f0704d108b8e78189c6eb74a64 | |
| parent | f618b265adb434423ad8c06466e4575c7372f60e (diff) | |
device: Add helper to identify PCI IOAPICs
Add a helper function to identify PCI IOAPICs.
Will be used in the following commits.
Change-Id: Ibe50934260b025575440fd52eace73fe2327a193
Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/84849
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Shuo Liu <shuo.liu@intel.com>
| -rw-r--r-- | src/device/device_util.c | 8 | ||||
| -rw-r--r-- | src/include/device/device.h | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/src/device/device_util.c b/src/device/device_util.c index f33c9250dc..ec2d1591ab 100644 --- a/src/device/device_util.c +++ b/src/device/device_util.c @@ -5,6 +5,7 @@ #include <console/console.h> #include <device/device.h> #include <device/pci_def.h> +#include <device/pci_ids.h> #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -969,3 +970,10 @@ bool is_pci_bridge(const struct device *pci) { return is_pci(pci) && ((pci->hdr_type & 0x7f) == PCI_HEADER_TYPE_BRIDGE); } + +bool is_pci_ioapic(const struct device *pci) +{ + return is_pci(pci) && ((pci->class >> 16) == PCI_BASE_CLASS_SYSTEM) && + ((pci->class >> 8) == PCI_CLASS_SYSTEM_PIC) && + ((pci->class & 0xff) >= 0x10); +} diff --git a/src/include/device/device.h b/src/include/device/device.h index f28a46b3bb..053138db99 100644 --- a/src/include/device/device.h +++ b/src/include/device/device.h @@ -195,6 +195,7 @@ 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); bool is_pci_bridge(const struct device *pci); +bool is_pci_ioapic(const struct device *pci); bool is_domain0(const struct device *dev); bool is_dev_on_domain0(const struct device *dev); |