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 5065465c33dbc042144265758785c5cb66bcc809..c3a720f716b7b6adac5258007cd48c71220f3b7a 100644 (file)
--- 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 0c7bef976144d7ec5f09ed1c00e287c353870d97..19c59536f948ec8f43bfee87914177c2b789ebf1 100644 (file)
--- 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)));
 }