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intel-iommu: Print out iommu seq_id 

more info on system with more than one IOMMU

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
hifive-unleashed-5.1
Yinghai Lu 2010-04-08 19:58:23 +01:00 committed by David Woodhouse
parent 5715f0f9d3
commit 680a752462
3 changed files with 11 additions and 7 deletions
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3
drivers/pci/dmar.c
View File

@ -806,7 +806,8 @@ int alloc_iommu(struct dmar_drhd_unit *drhd)
}
ver = readl(iommu->reg + DMAR_VER_REG);
pr_info("IOMMU %llx: ver %d:%d cap %llx ecap %llx\n",
pr_info("IOMMU %d: reg_base_addr %llx ver %d:%d cap %llx ecap %llx\n",
iommu->seq_id,
(unsigned long long)drhd->reg_base_addr,
DMAR_VER_MAJOR(ver), DMAR_VER_MINOR(ver),
(unsigned long long)iommu->cap,

9
drivers/pci/intel-iommu.c
View File

@ -1150,7 +1150,8 @@ static int iommu_init_domains(struct intel_iommu *iommu)
unsigned long nlongs;
ndomains = cap_ndoms(iommu->cap);
pr_debug("Number of Domains supportd <%ld>\n", ndomains);
pr_debug("IOMMU %d: Number of Domains supportd <%ld>\n", iommu->seq_id,
ndomains);
nlongs = BITS_TO_LONGS(ndomains);
spin_lock_init(&iommu->lock);
@ -2319,14 +2320,16 @@ int __init init_dmars(void)
*/
iommu->flush.flush_context = __iommu_flush_context;
iommu->flush.flush_iotlb = __iommu_flush_iotlb;
printk(KERN_INFO "IOMMU 0x%Lx: using Register based "
printk(KERN_INFO "IOMMU %d 0x%Lx: using Register based "
"invalidation\n",
iommu->seq_id,
(unsigned long long)drhd->reg_base_addr);
} else {
iommu->flush.flush_context = qi_flush_context;
iommu->flush.flush_iotlb = qi_flush_iotlb;
printk(KERN_INFO "IOMMU 0x%Lx: using Queued "
printk(KERN_INFO "IOMMU %d 0x%Lx: using Queued "
"invalidation\n",
iommu->seq_id,
(unsigned long long)drhd->reg_base_addr);
}
}

6
drivers/pci/intr_remapping.c
View File

@ -831,9 +831,9 @@ static int ir_parse_ioapic_hpet_scope(struct acpi_dmar_header *header,
return -1;
}
printk(KERN_INFO "IOAPIC id %d under DRHD base"
" 0x%Lx\n", scope->enumeration_id,
drhd->address);
printk(KERN_INFO "IOAPIC id %d under DRHD base "
" 0x%Lx IOMMU %d\n", scope->enumeration_id,
drhd->address, iommu->seq_id);
ir_parse_one_ioapic_scope(scope, iommu);
} else if (scope->entry_type == ACPI_DMAR_SCOPE_TYPE_HPET) {