Merge branch 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6

* 'linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci-2.6: (109 commits)
  PCI: fix coding style issue in pci_save_state()
  PCI: add pci_request_acs
  PCI: fix BUG_ON triggered by logical PCIe root port removal
  PCI: remove ifdefed pci_cleanup_aer_correct_error_status
  PCI: unconditionally clear AER uncorr status register during cleanup
  x86/PCI: claim SR-IOV BARs in pcibios_allocate_resource
  PCI: portdrv: remove redundant definitions
  PCI: portdrv: remove unnecessary struct pcie_port_data
  PCI: portdrv: minor cleanup for pcie_port_device_register
  PCI: portdrv: add missing irq cleanup
  PCI: portdrv: enable device before irq initialization
  PCI: portdrv: cleanup service irqs initialization
  PCI: portdrv: check capabilities first
  PCI: portdrv: move PME capability check
  PCI: portdrv: remove redundant pcie type calculation
  PCI: portdrv: cleanup pcie_device registration
  PCI: portdrv: remove redundant pcie_port_device_probe
  PCI: Always set prefetchable base/limit upper32 registers
  PCI: read-modify-write the pcie device control register when initiating pcie flr
  PCI: show dma_mask bits in /sys
  ...

Fixed up conflicts in:
	arch/x86/kernel/amd_iommu_init.c
	drivers/pci/dmar.c
	drivers/pci/hotplug/acpiphp_glue.c

2 files changed, 136 insertions, 0 deletions

diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile
index 7702118509a0..c7b10b4298e9 100644
--- a/drivers/acpi/Makefile
+++ b/drivers/acpi/Makefile
@@ -19,6 +19,7 @@ obj-y				+= acpi.o \
 
 # All the builtin files are in the "acpi." module_param namespace.
 acpi-y                          += osl.o utils.o reboot.o
+acpi-y                          += hest.o
 
 # sleep related files
 acpi-y                          += wakeup.o
diff --git a/drivers/acpi/hest.c b/drivers/acpi/hest.c
new file mode 100644
index 000000000000..4bb18c980ac6
--- /dev/null
+++ b/drivers/acpi/hest.c
@@ -0,0 +1,135 @@
+#include <linux/acpi.h>
+#include <linux/pci.h>
+
+#define PREFIX "ACPI: "
+
+static inline unsigned long parse_acpi_hest_ia_machine_check(struct acpi_hest_ia_machine_check *p)
+{
+        return sizeof(*p) +
+                (sizeof(struct acpi_hest_ia_error_bank) * p->num_hardware_banks);
+}
+
+static inline unsigned long parse_acpi_hest_ia_corrected(struct acpi_hest_ia_corrected *p)
+{
+        return sizeof(*p) +
+                (sizeof(struct acpi_hest_ia_error_bank) * p->num_hardware_banks);
+}
+
+static inline unsigned long parse_acpi_hest_ia_nmi(struct acpi_hest_ia_nmi *p)
+{
+        return sizeof(*p);
+}
+
+static inline unsigned long parse_acpi_hest_generic(struct acpi_hest_generic *p)
+{
+        return sizeof(*p);
+}
+
+static inline unsigned 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));
+}
+
+static unsigned long parse_acpi_hest_aer(void *hdr, int type, struct pci_dev *pci, int *firmware_first)
+{
+        struct acpi_hest_aer_common *p = hdr + sizeof(struct acpi_hest_header);
+        unsigned long rc=0;
+        u8 pcie_type = 0;
+        u8 bridge = 0;
+        switch (type) {
+        case ACPI_HEST_TYPE_AER_ROOT_PORT:
+                rc = sizeof(struct acpi_hest_aer_root);
+                pcie_type = PCI_EXP_TYPE_ROOT_PORT;
+                break;
+        case ACPI_HEST_TYPE_AER_ENDPOINT:
+                rc = sizeof(struct acpi_hest_aer);
+                pcie_type = PCI_EXP_TYPE_ENDPOINT;
+                break;
+        case ACPI_HEST_TYPE_AER_BRIDGE:
+                rc = sizeof(struct acpi_hest_aer_bridge);
+                if ((pci->class >> 16) == PCI_BASE_CLASS_BRIDGE)
+                        bridge = 1;
+                break;
+        }
+
+        if (p->flags & ACPI_HEST_GLOBAL) {
+                if ((pci->is_pcie && (pci->pcie_type == pcie_type)) || bridge)
+                        *firmware_first = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
+        }
+        else
+                if (hest_match_pci(p, pci))
+                        *firmware_first = !!(p->flags & ACPI_HEST_FIRMWARE_FIRST);
+        return rc;
+}
+
+static int acpi_hest_firmware_first(struct acpi_table_header *stdheader, struct pci_dev *pci)
+{
+        struct acpi_table_hest *hest = (struct acpi_table_hest *)stdheader;
+        void *p = (void *)hest + sizeof(*hest); /* defined by the ACPI 4.0 spec */
+        struct acpi_hest_header *hdr = p;
+
+        int i;
+        int firmware_first = 0;
+        static unsigned char printed_unused = 0;
+        static unsigned char printed_reserved = 0;
+
+        for (i=0, hdr=p; p < (((void *)hest) + hest->header.length) && i < hest->error_source_count; i++) {
+                switch (hdr->type) {
+                case ACPI_HEST_TYPE_IA32_CHECK:
+                        p += parse_acpi_hest_ia_machine_check(p);
+                        break;
+                case ACPI_HEST_TYPE_IA32_CORRECTED_CHECK:
+                        p += parse_acpi_hest_ia_corrected(p);
+                        break;
+                case ACPI_HEST_TYPE_IA32_NMI:
+                        p += parse_acpi_hest_ia_nmi(p);
+                        break;
+                /* These three should never appear */
+                case ACPI_HEST_TYPE_NOT_USED3:
+                case ACPI_HEST_TYPE_NOT_USED4:
+                case ACPI_HEST_TYPE_NOT_USED5:
+                        if (!printed_unused) {
+                                printk(KERN_DEBUG PREFIX
+                                       "HEST Error Source list contains an obsolete type (%d).\n", hdr->type);
+                                printed_unused = 1;
+                        }
+                        break;
+                case ACPI_HEST_TYPE_AER_ROOT_PORT:
+                case ACPI_HEST_TYPE_AER_ENDPOINT:
+                case ACPI_HEST_TYPE_AER_BRIDGE:
+                        p += parse_acpi_hest_aer(p, hdr->type, pci, &firmware_first);
+                        break;
+                case ACPI_HEST_TYPE_GENERIC_ERROR:
+                        p += parse_acpi_hest_generic(p);
+                        break;
+                /* These should never appear either */
+                case ACPI_HEST_TYPE_RESERVED:
+                default:
+                        if (!printed_reserved) {
+                                printk(KERN_DEBUG PREFIX
+                                       "HEST Error Source list contains a reserved type (%d).\n", hdr->type);
+                                printed_reserved = 1;
+                        }
+                        break;
+                }
+        }
+        return firmware_first;
+}
+
+int acpi_hest_firmware_first_pci(struct pci_dev *pci)
+{
+        acpi_status status = AE_NOT_FOUND;
+        struct acpi_table_header *hest = NULL;
+        status = acpi_get_table(ACPI_SIG_HEST, 1, &hest);
+
+        if (ACPI_SUCCESS(status)) {
+                if (acpi_hest_firmware_first(hest, pci)) {
+                        return 1;
+                }
+        }
+        return 0;
+}
+EXPORT_SYMBOL_GPL(acpi_hest_firmware_first_pci);