From: Alexey Kardashevskiy <aik@amd.com>
To: <linux-pci@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Jonathan Cameron <jonathan.cameron@huawei.com>,
Lukas Wunner <lukas@wunner.de>,
Alexey Kardashevskiy <aik@amd.com>
Subject: [PATCH kernel 3/4] pci: Define TEE-IO bit in PCIe device capabilities
Date: Thu, 1 Feb 2024 17:02:27 +1100 [thread overview]
Message-ID: <20240201060228.3070928-4-aik@amd.com> (raw)
In-Reply-To: <20240201060228.3070928-1-aik@amd.com>
A new bit #30 from the PCI Express Device Capabilities Register is defined
in PCIe 6.1 as "TEE Device Interface Security Protocol (TDISP)".
Define the macro.
Signed-off-by: Alexey Kardashevskiy <aik@amd.com>
---
include/uapi/linux/pci_regs.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index b9c681f14181..e60b4df1f7d9 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -498,6 +498,7 @@
#define PCI_EXP_DEVCAP_PWR_VAL 0x03fc0000 /* Slot Power Limit Value */
#define PCI_EXP_DEVCAP_PWR_SCL 0x0c000000 /* Slot Power Limit Scale */
#define PCI_EXP_DEVCAP_FLR 0x10000000 /* Function Level Reset */
+#define PCI_EXP_DEVCAP_TEE_IO 0x40000000 /* TEE-IO Supported (TDISP) */
#define PCI_EXP_DEVCTL 0x08 /* Device Control */
#define PCI_EXP_DEVCTL_CERE 0x0001 /* Correctable Error Reporting En. */
#define PCI_EXP_DEVCTL_NFERE 0x0002 /* Non-Fatal Error Reporting Enable */
--
2.41.0
next prev parent reply other threads:[~2024-02-01 6:04 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-01 6:02 [PATCH kernel 0/4] pci/doe/ide: Capabilities, protocols Alexey Kardashevskiy
2024-02-01 6:02 ` [PATCH kernel 1/4] pci/doe: Define protocol types and make those public Alexey Kardashevskiy
2024-02-01 6:50 ` Lukas Wunner
2024-02-01 10:16 ` Alexey Kardashevskiy
2024-02-09 8:52 ` Lukas Wunner
2024-02-15 11:44 ` Alexey Kardashevskiy
2024-02-08 21:57 ` Bjorn Helgaas
2024-02-01 6:02 ` [PATCH kernel 2/4] pci/doe: Support discovery version Alexey Kardashevskiy
2024-02-08 22:00 ` Bjorn Helgaas
2024-02-01 6:02 ` Alexey Kardashevskiy [this message]
2024-02-01 6:02 ` [PATCH kernel 4/4] pci: Define Integrity and Data Encryption (IDE) extended capability Alexey Kardashevskiy
2024-02-08 22:02 ` Bjorn Helgaas
2024-02-08 21:55 ` [PATCH kernel 0/4] pci/doe/ide: Capabilities, protocols Bjorn Helgaas
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