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authorBjorn Helgaas <bhelgaas@google.com>2014-01-13 16:46:15 -0700
committerBjorn Helgaas <bhelgaas@google.com>2014-01-13 16:46:15 -0700
commit6b9bd1e3ee8f23b55d407becf4f6f422ec4610f2 (patch)
treec5bee117d8ae1b20e6f9de393c382430ecc7faf5
parent96702be560374ee7e7139a34cab03554129abbb4 (diff)
parent339c0fc58618b717565f109d68da50c5bc1a0510 (diff)
downloadtalos-op-linux-6b9bd1e3ee8f23b55d407becf4f6f422ec4610f2.tar.gz
talos-op-linux-6b9bd1e3ee8f23b55d407becf4f6f422ec4610f2.zip
Merge branch 'pci/aer' into next
* pci/aer: PCI/AER: Support ACPI HEST AER error sources for PCI domains other than 0 ACPICA: Add helper macros to extract bus/segment numbers from HEST table.
-rw-r--r--drivers/pci/pcie/aer/aerdrv_acpi.c8
-rw-r--r--include/acpi/actbl1.h10
2 files changed, 13 insertions, 5 deletions
diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c
index 4d6991794fa2..01906576ab91 100644
--- a/drivers/pci/pcie/aer/aerdrv_acpi.c
+++ b/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -23,10 +23,10 @@
static inline int hest_match_pci(struct acpi_hest_aer_common *p,
struct pci_dev *pci)
{
- return (0 == pci_domain_nr(pci->bus) &&
- p->bus == pci->bus->number &&
- p->device == PCI_SLOT(pci->devfn) &&
- p->function == PCI_FUNC(pci->devfn));
+ return ACPI_HEST_SEGMENT(p->bus) == pci_domain_nr(pci->bus) &&
+ ACPI_HEST_BUS(p->bus) == pci->bus->number &&
+ p->device == PCI_SLOT(pci->devfn) &&
+ p->function == PCI_FUNC(pci->devfn);
}
static inline bool hest_match_type(struct acpi_hest_header *hest_hdr,
diff --git a/include/acpi/actbl1.h b/include/acpi/actbl1.h
index 556c83ee6b42..4ec8c194bfe5 100644
--- a/include/acpi/actbl1.h
+++ b/include/acpi/actbl1.h
@@ -457,7 +457,7 @@ struct acpi_hest_aer_common {
u8 enabled;
u32 records_to_preallocate;
u32 max_sections_per_record;
- u32 bus;
+ u32 bus; /* Bus and Segment numbers */
u16 device;
u16 function;
u16 device_control;
@@ -473,6 +473,14 @@ struct acpi_hest_aer_common {
#define ACPI_HEST_FIRMWARE_FIRST (1)
#define ACPI_HEST_GLOBAL (1<<1)
+/*
+ * Macros to access the bus/segment numbers in Bus field above:
+ * Bus number is encoded in bits 7:0
+ * Segment number is encoded in bits 23:8
+ */
+#define ACPI_HEST_BUS(bus) ((bus) & 0xFF)
+#define ACPI_HEST_SEGMENT(bus) (((bus) >> 8) & 0xFFFF)
+
/* Hardware Error Notification */
struct acpi_hest_notify {
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