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Message-Id: <20210624222621.4776-3-pali@kernel.org>
Date: Fri, 25 Jun 2021 00:26:18 +0200
From: Pali Rohár <pali@...nel.org>
To: Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
Bjorn Helgaas <bhelgaas@...gle.com>,
Rob Herring <robh@...nel.org>,
Gregory Clement <gregory.clement@...tlin.com>
Cc: Marek Behún <kabel@...nel.org>,
"Remi Pommarel" <repk@...plefau.lt>, Xogium <contact@...ium.me>,
"Tomasz Maciej Nowak" <tmn505@...il.com>,
Nadav Haklai <nadavh@...vell.com>,
Kostya Porotchkin <kostap@...vell.com>,
linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: [RESEND PATCH 2/5] PCI: Add PCI_EXP_DEVCTL_PAYLOAD_* macros
Define a macro PCI_EXP_DEVCTL_PAYLOAD_* for every possible Max Payload
Size in linux/pci_regs.h, in the same style as PCI_EXP_DEVCTL_READRQ_*.
Signed-off-by: Pali Rohár <pali@...nel.org>
Reviewed-by: Marek Behún <kabel@...nel.org>
---
include/uapi/linux/pci_regs.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h
index e709ae8235e7..ff6ccbc6efe9 100644
--- a/include/uapi/linux/pci_regs.h
+++ b/include/uapi/linux/pci_regs.h
@@ -504,6 +504,12 @@
#define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */
#define PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */
#define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */
+#define PCI_EXP_DEVCTL_PAYLOAD_128B 0x0000 /* 128 Bytes */
+#define PCI_EXP_DEVCTL_PAYLOAD_256B 0x0020 /* 256 Bytes */
+#define PCI_EXP_DEVCTL_PAYLOAD_512B 0x0040 /* 512 Bytes */
+#define PCI_EXP_DEVCTL_PAYLOAD_1024B 0x0060 /* 1024 Bytes */
+#define PCI_EXP_DEVCTL_PAYLOAD_2048B 0x0080 /* 2048 Bytes */
+#define PCI_EXP_DEVCTL_PAYLOAD_4096B 0x00a0 /* 4096 Bytes */
#define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */
#define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */
#define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */
--
2.20.1
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