From: Bjorn Helgaas <bhelgaas@google.com>
Date: Wed, 18 Oct 2023 16:08:31 +0000 (-0500)
Subject: lspci: Decode PCIe DevCtl2 Emergency Power Reduction Request
X-Git-Tag: v3.11.0~87
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=a99d27a34603f3db3a44eab3e6e1c7da383e7051;p=pciutils.git

lspci: Decode PCIe DevCtl2 Emergency Power Reduction Request

Decode the PCIe DevCtl2 Emergency Power Reduction Request bit.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
---

diff --git a/lib/header.h b/lib/header.h
index 5065465..c3a720f 100644
--- a/lib/header.h
+++ b/lib/header.h
@@ -906,6 +906,7 @@
 #define  PCI_EXP_DEVCTL2_IDO_REQ_EN	0x0100	/* Allow IDO for requests */
 #define  PCI_EXP_DEVCTL2_IDO_CMP_EN	0x0200	/* Allow IDO for completions */
 #define  PCI_EXP_DEVCTL2_LTR		0x0400	/* LTR enabled */
+#define  PCI_EXP_DEVCTL2_EPR_REQ	0x0800	/* Emergency Power Reduction Request */
 #define  PCI_EXP_DEVCTL2_10BIT_TAG_REQ	0x1000 /* 10 Bit Tag Requester enabled */
 #define  PCI_EXP_DEVCTL2_OBFF(x)		(((x) >> 13) & 3) /* OBFF enabled */
 #define PCI_EXP_DEVSTA2			0x2a	/* Device Status */
diff --git a/ls-caps.c b/ls-caps.c
index 0c7bef9..19c5953 100644
--- a/ls-caps.c
+++ b/ls-caps.c
@@ -1173,10 +1173,12 @@ static void cap_express_dev2(struct device *d, int where, int type)
         printf(" EgressBlck%c", FLAG(w, PCI_EXP_DEVCTL2_ATOMICOP_EGRESS_BLOCK));
       printf("\n");
     }
-  printf("\t\t\t IDOReq%c IDOCompl%c LTR%c 10BitTagReq%c OBFF %s\n",
+  printf("\t\t\t IDOReq%c IDOCompl%c LTR%c EmergencyPowerReductionReq%c\n",
 	FLAG(w, PCI_EXP_DEVCTL2_IDO_REQ_EN),
 	FLAG(w, PCI_EXP_DEVCTL2_IDO_CMP_EN),
 	FLAG(w, PCI_EXP_DEVCTL2_LTR),
+	FLAG(w, PCI_EXP_DEVCTL2_EPR_REQ));
+  printf("\t\t\t 10BitTagReq%c OBFF %s\n",
 	FLAG(w, PCI_EXP_DEVCTL2_10BIT_TAG_REQ),
 	cap_express_devctl2_obff(PCI_EXP_DEVCTL2_OBFF(w)));
 }