[xen staging] AMD/IOMMU: log IVHD contents

[patchbot@xxxxxxx]

commit 637d40c604e9e1e3df50258679e6c3577cfd9e17
Author:     Jan Beulich <jbeulich@xxxxxxxx>
AuthorDate: Mon Feb 3 11:43:49 2025 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Feb 3 11:43:49 2025 +0100

    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@xxxxxxxx>
    Reviewed-by: Jason Andryuk <jason.andryuk@xxxxxxx>
    Tested-by: Jason Andryuk <jason.andryuk@xxxxxxx>
    Acked-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Release-Acked-by: Oleksii Kurochko<oleksii.kurochko@xxxxxxxxx>
---
 xen/drivers/passthrough/amd/iommu_acpi.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/xen/drivers/passthrough/amd/iommu_acpi.c 
b/xen/drivers/passthrough/amd/iommu_acpi.c
index c416120326..5bdbfb5ba8 100644
--- 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);
--
generated by git-patchbot for /home/xen/git/xen.git#staging