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[RFC PATCH kernel 04/17] crypto/ccp/tsm: Use TSM API for DOE
- To: <x86@xxxxxxxxxx>
- From: Alexey Kardashevskiy <aik@xxxxxxx>
- Date: Wed, 16 Sep 2026 21:51:44 +1000
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- Cc: <linux-kernel@xxxxxxxxxxxxxxx>, <kvm@xxxxxxxxxxxxxxx>, <linux-crypto@xxxxxxxxxxxxxxx>, <linux-pci@xxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, Sean Christopherson <seanjc@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Andy Lutomirski <luto@xxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Ashish Kalra <ashish.kalra@xxxxxxx>, Tom Lendacky <thomas.lendacky@xxxxxxx>, Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>, Bjorn Helgaas <bhelgaas@xxxxxxxxxx>, Juergen Gross <jgross@xxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Oleksandr Tyshchenko <oleksandr_tyshchenko@xxxxxxxx>, Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>, Robin Murphy <robin.murphy@xxxxxxx>, "Andrew Morton" <akpm@xxxxxxxxxxxxxxxxxxxx>, David Hildenbrand <david@xxxxxxxxxx>, Lorenzo Stoakes <ljs@xxxxxxxxxx>, "Liam R. Howlett" <liam@xxxxxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, "Suren Baghdasaryan" <surenb@xxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, "Catalin Marinas" <catalin.marinas@xxxxxxx>, Jini Susan George <jinisusan.george@xxxxxxx>, Kees Cook <kees@xxxxxxxxxx>, Michael Ellerman <mpe@xxxxxxxxxxxxxx>, Nikunj A Dadhania <nikunj@xxxxxxx>, Ard Biesheuvel <ardb@xxxxxxxxxx>, Eric Biggers <ebiggers@xxxxxxxxxx>, Kim Phillips <kim.phillips@xxxxxxx>, Joerg Roedel <jroedel@xxxxxxx>, Ethan Nelson-Moore <enelsonmoore@xxxxxxxxx>, "Tycho Andersen (AMD)" <tycho@xxxxxxxxxx>, "Liam Merwick" <liam.merwick@xxxxxxxxxx>, Michael Kerrisk <mtk.manpages@xxxxxxxxx>, Suresh Siddha <suresh.b.siddha@xxxxxxxxx>, Xiaotian Feng <dfeng@xxxxxxxxxx>, Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx>, Andi Kleen <ak@xxxxxxxxxxxxxxx>, Kiryl Shutsemau <kas@xxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Jason Gunthorpe <jgg@xxxxxxxx>, Lu Baolu <baolu.lu@xxxxxxxxxxxxxxx>, Xu Yilun <yilun.xu@xxxxxxxxxxxxxxx>, Carlos López <clopez@xxxxxxx>, Jonathan Cameron <jic23@xxxxxxxxxx>, Jori Koolstra <jkoolstra@xxxxxxxxx>, Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx>, "Aneesh Kumar K.V (Arm)" <aneesh.kumar@xxxxxxxxxx>, Ian Campbell <ian.campbell@xxxxxxxxxx>, Jeremy Fitzhardinge <jeremy.fitzhardinge@xxxxxxxxxx>, Petr Tesarik <ptesarik@xxxxxxxx>, "David Howells" <dhowells@xxxxxxxxxx>, Haavard Skinnemoen <hskinnemoen@xxxxxxxxx>, Kenji Kaneshige <kaneshige.kenji@xxxxxxxxxxxxxx>, Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>, "Christian Marangi" <ansuelsmth@xxxxxxxxx>, Dave Jiang <dave.jiang@xxxxxxxxx>, "Michael Kelley" <mhklinux@xxxxxxxxxxx>, Ilias Stamatis <ilstam@xxxxxxxxxx>, "Sumanth Korikkar" <sumanthk@xxxxxxxxxxxxx>, Simona Vetter <simona.vetter@xxxxxxxx>, Toshi Kani <toshi.kani@xxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Vinod Koul <vkoul@xxxxxxxxxx>, Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Anshuman Khandual <anshuman.khandual@xxxxxxx>, Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>, "Palmer Dabbelt" <palmerdabbelt@xxxxxxxxxx>, <linux-coco@xxxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxxx>, <iommu@xxxxxxxxxxxxxxx>, <linux-mm@xxxxxxxxx>, Alexey Kardashevskiy <aik@xxxxxxx>, <aik@xxxxxxxxx>, Santosh Shukla <santosh.shukla@xxxxxxx>, "Pratik R . Sampat" <prsampat@xxxxxxx>, Scott Soule Cheloha <scott.cheloha@xxxxxxx>, Ackerley Tng <ackerleytng@xxxxxxxxxx>, Fuad Tabba <tabba@xxxxxxxxxx>
- Delivery-date: Wed, 16 Sep 2026 11:55:31 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
Compared to the currently used pci_doe(), the pci_tsm_doe_transfer() helper
performs a few more sanity checks, use that helper now.
Signed-off-by: Alexey Kardashevskiy <aik@xxxxxxx>
---
drivers/crypto/ccp/sev-dev-tsm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/crypto/ccp/sev-dev-tsm.c b/drivers/crypto/ccp/sev-dev-tsm.c
index 46f2539d2d5a..6e704ad239af 100644
--- a/drivers/crypto/ccp/sev-dev-tsm.c
+++ b/drivers/crypto/ccp/sev-dev-tsm.c
@@ -40,8 +40,9 @@ static int sev_tio_spdm_cmd(struct tio_dsm *dsm, int ret)
/* ret > 0 means "SPDM requested" */
while (ret == PCI_DOE_FEATURE_CMA || ret == PCI_DOE_FEATURE_SSESSION) {
- ret = pci_doe(dsm->tsm.doe_mb, PCI_VENDOR_ID_PCI_SIG, ret,
- spdm->req, spdm->req_len, spdm->rsp,
spdm->rsp_len);
+ ret = pci_tsm_doe_transfer(dsm->tsm.base_tsm.pdev, ret,
+ spdm->req, spdm->req_len,
+ spdm->rsp, spdm->rsp_len);
if (ret < 0)
break;
--
2.55.0
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