diff options
| author | Joerg Roedel | 2009-05-20 13:53:57 +0200 |
|---|---|---|
| committer | Joerg Roedel | 2009-05-28 17:50:56 +0200 |
| commit | 9c72041f719e2864d4208a89341c36b316dbf893 (patch) | |
| tree | c60faf8467b7d788bac33d49c4af17d554db1209 /arch/x86/kernel/amd_iommu_init.c | |
| parent | amd-iommu: add amd_iommu_dump parameter (diff) | |
| download | kernel-qcow2-linux-9c72041f719e2864d4208a89341c36b316dbf893.tar.gz kernel-qcow2-linux-9c72041f719e2864d4208a89341c36b316dbf893.tar.xz kernel-qcow2-linux-9c72041f719e2864d4208a89341c36b316dbf893.zip | |
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@amd.com>
Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
| -rw-r--r-- | 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 57fb7a7cb6e8..28165902ae25 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; |