diff options
Diffstat (limited to 'drivers/iommu/iommu-debug.c')
| -rw-r--r-- | drivers/iommu/iommu-debug.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/iommu/iommu-debug.c b/drivers/iommu/iommu-debug.c index 1db29e054d6d..fba76794ec62 100644 --- a/drivers/iommu/iommu-debug.c +++ b/drivers/iommu/iommu-debug.c @@ -41,6 +41,7 @@ static int iommu_debug_attachment_info_show(struct seq_file *s, void *ignored) { struct iommu_debug_attachment *attach = s->private; phys_addr_t pt_phys; + int coherent_htw_disable; seq_printf(s, "Domain: 0x%p\n", attach->domain); if (iommu_domain_get_attr(attach->domain, DOMAIN_ATTR_PT_BASE_ADDR, @@ -53,6 +54,14 @@ static int iommu_debug_attachment_info_show(struct seq_file *s, void *ignored) pt_virt, &pt_phys); } + seq_puts(s, "COHERENT_HTW_DISABLE: "); + if (iommu_domain_get_attr(attach->domain, + DOMAIN_ATTR_COHERENT_HTW_DISABLE, + &coherent_htw_disable)) + seq_puts(s, "(Unknown)\n"); + else + seq_printf(s, "%d\n", coherent_htw_disable); + return 0; } |