git: 077cbcaefb25 - stable/14 - amdiommu: Fix device table segment base register offsets

From: Konstantin Belousov <kib_at_FreeBSD.org>
Date: Tue, 03 Dec 2024 00:51:16 UTC
The branch stable/14 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=077cbcaefb252c6ca9b9e64a9b5cf76409d82586

commit 077cbcaefb252c6ca9b9e64a9b5cf76409d82586
Author:     Jason A. Harmening <jah@FreeBSD.org>
AuthorDate: 2024-11-25 23:24:41 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2024-12-03 00:39:21 +0000

    amdiommu: Fix device table segment base register offsets
    
    (cherry picked from commit 5035db222e8fa77d0b40fcd5a92c073dd1c590c2)
---
 sys/x86/iommu/amd_drv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/x86/iommu/amd_drv.c b/sys/x86/iommu/amd_drv.c
index 4373987ae24a..1d9d3b6b72ef 100644
--- a/sys/x86/iommu/amd_drv.c
+++ b/sys/x86/iommu/amd_drv.c
@@ -277,7 +277,7 @@ amdiommu_create_dev_tbl(struct amdiommu_unit *sc)
 			pmap_qenter(seg_vaddr, &m, 1);
 		}
 		reg = i == 0 ? AMDIOMMU_DEVTAB_BASE : AMDIOMMU_DEVTAB_S1_BASE +
-		    i - 1;
+		    ((i - 1) << 3);
 		amdiommu_write8(sc, reg, rval);		
 	}