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[RFC,v2,01/22] pci/doe: Define protocol types and make those public

Message ID 20250218111017.491719-2-aik@amd.com (mailing list archive)
State RFC
Delegated to: Bjorn Helgaas
Headers show
Series TSM: Secure VFIO, TDISP, SEV TIO | expand

Commit Message

Alexey Kardashevskiy Feb. 18, 2025, 11:09 a.m. UTC 
Already public pci_doe() takes a protocol type argument.
PCIe 6.0 defines three, define them in a header for use with pci_doe().

Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
---
 include/linux/pci-doe.h | 4 ++++
 drivers/pci/doe.c       | 2 --
 2 files changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/include/linux/pci-doe.h b/include/linux/pci-doe.h
index 0d3d7656c456..82e393ba5465 100644
--- a/include/linux/pci-doe.h
+++ b/include/linux/pci-doe.h
@@ -13,6 +13,10 @@ 
 #ifndef LINUX_PCI_DOE_H
 #define LINUX_PCI_DOE_H
 
+#define PCI_DOE_PROTOCOL_DISCOVERY		0
+#define PCI_DOE_PROTOCOL_CMA_SPDM		1
+#define PCI_DOE_PROTOCOL_SECURED_CMA_SPDM	2
+
 struct pci_doe_mb;
 
 /* Max data object length is 2^18 dwords (including 2 dwords for header) */
diff --git a/drivers/pci/doe.c b/drivers/pci/doe.c
index e4b609f613da..98fd86fae8d8 100644
--- a/drivers/pci/doe.c
+++ b/drivers/pci/doe.c
@@ -22,8 +22,6 @@ 
 
 #include "pci.h"
 
-#define PCI_DOE_PROTOCOL_DISCOVERY 0
-
 /* Timeout of 1 second from 6.30.2 Operation, PCI Spec r6.0 */
 #define PCI_DOE_TIMEOUT HZ
 #define PCI_DOE_POLL_INTERVAL	(PCI_DOE_TIMEOUT / 128)