From: Jan Beulich <jbeulich@suse.com>
To: Paul Durrant <paul@xen.org>
Cc: xen-devel@lists.xenproject.org,
Paul Durrant <pdurrant@amazon.com>,
Kevin Tian <kevin.tian@intel.com>,
Andrew Cooper <andrew.cooper3@citrix.com>
Subject: Re: [PATCH v4 11/14] iommu: stop calling IOMMU page tables 'p2m tables'
Date: Thu, 6 Aug 2020 14:23:28 +0200 [thread overview]
Message-ID: <5aa64762-4406-8063-2fd0-c55f168dfa72@suse.com> (raw)
In-Reply-To: <20200804134209.8717-12-paul@xen.org>
On 04.08.2020 15:42, Paul Durrant wrote:
> @@ -553,14 +549,7 @@ static void iommu_dump_p2m_table(unsigned char key)
> if ( is_hardware_domain(d) || !is_iommu_enabled(d) )
> continue;
>
> - if ( iommu_use_hap_pt(d) )
> - {
> - printk("\ndomain%d IOMMU p2m table shared with MMU: \n", d->domain_id);
> - continue;
> - }
> -
> - printk("\ndomain%d IOMMU p2m table: \n", d->domain_id);
This (importantish) information was lost.
> @@ -2624,17 +2624,19 @@ static void vtd_dump_p2m_table_level(paddr_t pt_maddr, int level, paddr_t gpa,
> unmap_vtd_domain_page(pt_vaddr);
> }
>
> -static void vtd_dump_p2m_table(struct domain *d)
> +static void vtd_dump_page_tables(struct domain *d)
> {
> - const struct domain_iommu *hd;
> + const struct domain_iommu *hd = dom_iommu(d);
>
> - if ( list_empty(&acpi_drhd_units) )
> + if ( iommu_use_hap_pt(d) )
> + {
> + printk("VT-D sharing EPT table\n");
> return;
> + }
>
> - hd = dom_iommu(d);
> - printk("p2m table has %d levels\n", agaw_to_level(hd->arch.vtd.agaw));
> - vtd_dump_p2m_table_level(hd->arch.vtd.pgd_maddr,
> - agaw_to_level(hd->arch.vtd.agaw), 0, 0);
> + printk("VT-D table has %d levels\n", agaw_to_level(hd->arch.vtd.agaw));
I think it's commonly VT-d (a mixture of case).
Jan
next prev parent reply other threads:[~2020-08-06 12:23 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-04 13:41 [PATCH v4 00/14] IOMMU cleanup Paul Durrant
2020-08-04 13:41 ` [PATCH v4 01/14] x86/iommu: re-arrange arch_iommu to separate common fields Paul Durrant
2020-08-14 6:14 ` Tian, Kevin
2020-08-04 13:41 ` [PATCH v4 02/14] x86/iommu: add common page-table allocator Paul Durrant
2020-08-05 15:39 ` Jan Beulich
2020-08-04 13:41 ` [PATCH v4 03/14] x86/iommu: convert VT-d code to use new page table allocator Paul Durrant
2020-08-14 6:41 ` Tian, Kevin
2020-08-14 7:16 ` Durrant, Paul
2020-08-04 13:41 ` [PATCH v4 04/14] x86/iommu: convert AMD IOMMU " Paul Durrant
2020-08-04 13:42 ` [PATCH v4 05/14] iommu: remove unused iommu_ops method and tasklet Paul Durrant
2020-08-04 13:42 ` [PATCH v4 06/14] iommu: flush I/O TLB if iommu_map() or iommu_unmap() fail Paul Durrant
2020-08-05 16:06 ` Jan Beulich
2020-08-05 16:18 ` Paul Durrant
2020-08-06 11:41 ` Jan Beulich
2020-08-14 6:53 ` Tian, Kevin
2020-08-14 7:19 ` Durrant, Paul
2020-08-04 13:42 ` [PATCH v4 07/14] iommu: make map, unmap and flush all take both an order and a count Paul Durrant
2020-08-06 9:57 ` Jan Beulich
2020-08-11 11:00 ` Durrant, Paul
2020-08-14 6:57 ` Tian, Kevin
2020-08-04 13:42 ` [PATCH v4 08/14] remove remaining uses of iommu_legacy_map/unmap Paul Durrant
2020-08-06 10:28 ` Jan Beulich
2020-08-12 9:36 ` [EXTERNAL] " Paul Durrant
2020-08-04 13:42 ` [PATCH v4 09/14] common/grant_table: batch flush I/O TLB Paul Durrant
2020-08-06 11:49 ` Jan Beulich
2020-08-04 13:42 ` [PATCH v4 10/14] iommu: remove the share_p2m operation Paul Durrant
2020-08-06 12:18 ` Jan Beulich
2020-08-14 7:04 ` Tian, Kevin
2020-08-04 13:42 ` [PATCH v4 11/14] iommu: stop calling IOMMU page tables 'p2m tables' Paul Durrant
2020-08-06 12:23 ` Jan Beulich [this message]
2020-08-14 7:12 ` Tian, Kevin
2020-08-04 13:42 ` [PATCH v4 12/14] vtd: use a bit field for root_entry Paul Durrant
2020-08-06 12:34 ` Jan Beulich
2020-08-12 13:13 ` Durrant, Paul
2020-08-18 8:27 ` Jan Beulich
2020-08-14 7:17 ` Tian, Kevin
2020-08-04 13:42 ` [PATCH v4 13/14] vtd: use a bit field for context_entry Paul Durrant
2020-08-06 12:46 ` Jan Beulich
2020-08-12 13:47 ` Paul Durrant
2020-08-14 7:19 ` Tian, Kevin
2020-08-04 13:42 ` [PATCH v4 14/14] vtd: use a bit field for dma_pte Paul Durrant
2020-08-06 12:53 ` Jan Beulich
2020-08-12 13:49 ` Paul Durrant
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