From: "David E. Box" <david.e.box@linux.intel.com>
To: lee.jones@linaro.org, david.e.box@linux.intel.com,
hdegoede@redhat.com, mgross@linux.intel.com, bhelgaas@google.com
Cc: linux-kernel@vger.kernel.org,
platform-driver-x86@vger.kernel.org, linux-pci@vger.kernel.org
Subject: [PATCH 1/4] PCI: Add #defines for accessing PCIE DVSEC fields
Date: Thu, 17 Jun 2021 14:54:05 -0700 [thread overview]
Message-ID: <20210617215408.1412409-2-david.e.box@linux.intel.com> (raw)
In-Reply-To: <20210617215408.1412409-1-david.e.box@linux.intel.com>
Add #defines for accessing Vendor ID, Revision, Length, and ID offsets
in the Designated Vendor Specific Extended Capability (DVSEC). Defined
in PCIe r5.0, sec 7.9.6.
Signed-off-by: David E. Box <david.e.box@linux.intel.com>
---
include/uapi/linux/pci_regs.h | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index e709ae8235e7..57ee51f19283 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -1080,7 +1080,11 @@
/* Designated Vendor-Specific (DVSEC, PCI_EXT_CAP_ID_DVSEC) */
#define PCI_DVSEC_HEADER1 0x4 /* Designated Vendor-Specific Header1 */
+#define PCI_DVSEC_HEADER1_VID(x) ((x) & 0xffff)
+#define PCI_DVSEC_HEADER1_REV(x) (((x) >> 16) & 0xf)
+#define PCI_DVSEC_HEADER1_LEN(x) (((x) >> 20) & 0xfff)
#define PCI_DVSEC_HEADER2 0x8 /* Designated Vendor-Specific Header2 */
+#define PCI_DVSEC_HEADER2_ID(x) ((x) & 0xffff)
/* Data Link Feature */
#define PCI_DLF_CAP 0x04 /* Capabilities Register */
--
2.25.1
next prev parent reply other threads:[~2021-06-17 21:55 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-17 21:54 [PATCH 0/4] MFD: intel_pmt: Split OOBMSM from intel_pmt driver David E. Box
2021-06-17 21:54 ` David E. Box [this message]
2021-06-22 15:04 ` [PATCH 1/4] PCI: Add #defines for accessing PCIE DVSEC fields Bjorn Helgaas
2021-06-17 21:54 ` [PATCH 2/4] MFD: intel_pmt: Remove OOBMSM device David E. Box
2021-06-30 10:15 ` Lee Jones
2021-06-30 21:11 ` David E. Box
2021-07-01 8:01 ` Lee Jones
2021-07-01 8:39 ` Hans de Goede
2021-07-01 11:23 ` Lee Jones
[not found] ` <CAHp75Vfn6GKSj6USUPEWiPdhWRYcJbirqhU6aOeB4gruekmocg@mail.gmail.com>
2021-07-01 12:06 ` Lee Jones
[not found] ` <CAHp75VdmnRJKSBZ8dmU=7XsGOZ-wX6EpZhtC3X6JEE0mz-UJNg@mail.gmail.com>
2021-07-01 12:26 ` Lee Jones
2021-07-01 22:41 ` David E. Box
2021-07-01 9:43 ` Andy Shevchenko
2021-06-17 21:54 ` [PATCH 3/4] MFD: Intel Out of Band Management Services Module (OOBMSM) driver David E. Box
2021-06-30 10:17 ` Lee Jones
2021-06-17 21:54 ` [PATCH 4/4] MFD: intel-extended-cap: Add support for PCIe VSEC structures David E. Box
2021-11-20 23:17 [PATCH 0/4] Auxiliary bus driver support for Intel PCIe VSEC/DVSEC David E. Box
2021-11-20 23:17 ` [PATCH 1/4] PCI: Add #defines for accessing PCIe DVSEC fields David E. Box
2021-11-21 12:24 ` Greg KH
2021-11-21 15:48 ` David E. Box
2021-11-22 18:28 ` Bjorn Helgaas
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