Commit-ID: 9c72041f719e2864d4208a89341c36b316dbf893
Gitweb: http://git.kernel.org/tip/9c72041f719e2864d4208a89341c36b316dbf893
Author: Joerg Roedel <joerg.roedel@xxxxxxx>
AuthorDate: Wed, 20 May 2009 13:53:57 +0200
Committer: Joerg Roedel <joerg.roedel@xxxxxxx>
CommitDate: Thu, 28 May 2009 17:50:56 +0200
amd-iommu: add dump for iommus described in ivrs table
Add information about IOMMU devices described in the IVRS ACPI table to
the kernel log if amd_iommu_dump was specified on the kernel command
line.
Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
arch/x86/kernel/amd_iommu_init.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 57fb7a7..2816590 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -748,6 +748,15 @@ static int __init init_iommu_all(struct acpi_table_header *table)
h = (struct ivhd_header *)p;
switch (*p) {
case ACPI_IVHD_TYPE:
+
+ DUMP_printk("IOMMU: device: %02x:%02x.%01x cap: %04x "
+ "seg: %d flags: %01x info %04x\n",
+ PCI_BUS(h->devid), PCI_SLOT(h->devid),
+ PCI_FUNC(h->devid), h->cap_ptr,
+ h->pci_seg, h->flags, h->info);
+ DUMP_printk(" mmio-addr: %016llx\n",
+ h->mmio_phys);
+
iommu = kzalloc(sizeof(struct amd_iommu), GFP_KERNEL);
if (iommu == NULL)
return -ENOMEM;
--
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