AMD/IOMMU: log IVHD contents

Despite all the verbosity with "iommu=debug", information on the IOMMUs
themselves was missing.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Jason Andryuk <jason.andryuk@amd.com>
Tested-by: Jason Andryuk <jason.andryuk@amd.com>
Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
Release-Acked-by: Oleksii Kurochko<oleksii.kurochko@gmail.com>

diff --git a/xen/drivers/passthrough/amd/iommu_acpi.c b/xen/drivers/passthrough/amd/iommu_acpi.c
index c416120326c9bc3841c169b47f7fe1df7974fb69..5bdbfb5ba8190d69da700928634b65e71663146f 100644 (file)
--- a/xen/drivers/passthrough/amd/iommu_acpi.c
+++ b/xen/drivers/passthrough/amd/iommu_acpi.c
@@ -911,6 +911,11 @@ static int __init parse_ivhd_block(const struct acpi_ivrs_hardware *ivhd_block)
         return -ENODEV;
     }
 
+    AMD_IOMMU_DEBUG("IVHD: IOMMU @ %#lx cap @ %#x seg 0x%04x info %#x attr %#x\n",
+                    ivhd_block->base_address, ivhd_block->capability_offset,
+                    ivhd_block->pci_segment_group, ivhd_block->info,
+                    ivhd_block->iommu_attr);
+
     iommu = find_iommu_from_bdf_cap(ivhd_block->pci_segment_group,
                                     ivhd_block->header.device_id,
                                     ivhd_block->capability_offset);