diff mbox series

[for-4.20?,3/3] AMD/IOMMU: log IVHD contents

Message ID b0b8c35f-5c88-46bb-a882-9ff737683367@suse.com (mailing list archive)
State Superseded
Headers show
Series AMD/IOMMU: assorted corrections | expand

Commit Message

Jan Beulich Jan. 30, 2025, 11:13 a.m. UTC 
Despite all the verbosity with "iommu=debug", information on the IOMMUs
themselves was missing.

Signed-off-by: Jan Beulich <jbeulich@suse.com>

Comments

Jason Andryuk Jan. 31, 2025, 6:47 p.m. UTC | #1 
On 2025-01-30 06:13, Jan Beulich wrote:
> 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>

Thanks,
Jason
Andrew Cooper Feb. 2, 2025, 1:57 p.m. UTC | #2 
On 30/01/2025 11:13 am, Jan Beulich wrote:
> Despite all the verbosity with "iommu=debug", information on the IOMMUs
> themselves was missing.
>
> Signed-off-by: Jan Beulich <jbeulich@suse.com>

Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
diff mbox series

Patch

--- 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
         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);