lspci: Decode 10-Bit Tag Requester Enable

Decode 10-Bit Tag Requester Enable bit in Device Control 2 Register.

Sample output changes:

  - DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR- OBFF Disabled, ARIFwd-
  + DevCtl2: Completion Timeout: 50us to 50ms, TimeoutDis- LTR- 10BitTagReq- OBFF Disabled, ARIFwd-

Signed-off-by: Dongdong Liu <liudongdong3@huawei.com>

diff --git a/lib/header.h b/lib/header.h
index 5fdea883554d33d264530b0093257a75ff590363..f53ab43f6ddea5c77291a240b6157cfa7a52ab05 100644 (file)
--- a/lib/header.h
+++ b/lib/header.h
@@ -900,6 +900,7 @@
 #define  PCI_EXP_DEVCTL2_ATOMICOP_REQUESTER_EN 0x0040  /* AtomicOp RequesterEnable */
 #define  PCI_EXP_DEVCTL2_ATOMICOP_EGRESS_BLOCK 0x0080  /* AtomicOp Egress Blocking */
 #define  PCI_EXP_DEVCTL2_LTR           0x0400  /* LTR enabled */
+#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 */
 #define PCI_EXP_LNKCAP2                        0x2c    /* Link Capabilities */

diff --git a/ls-caps.c b/ls-caps.c
index a068fd3892519fadd9e5b0f89d4a64c3959da60c..b616a4be66c663aea348d5df0022afab8f4147c0 100644 (file)
--- a/ls-caps.c
+++ b/ls-caps.c
@@ -1134,10 +1134,11 @@ static void cap_express_dev2(struct device *d, int where, int type)
     }
 
   w = get_conf_word(d, where + PCI_EXP_DEVCTL2);
-  printf("\t\tDevCtl2: Completion Timeout: %s, TimeoutDis%c LTR%c OBFF %s,",
+  printf("\t\tDevCtl2: Completion Timeout: %s, TimeoutDis%c LTR%c 10BitTagReq%c OBFF %s,",
        cap_express_dev2_timeout_value(PCI_EXP_DEVCTL2_TIMEOUT_VALUE(w)),
        FLAG(w, PCI_EXP_DEVCTL2_TIMEOUT_DIS),
        FLAG(w, PCI_EXP_DEVCTL2_LTR),
+       FLAG(w, PCI_EXP_DEVCTL2_10BIT_TAG_REQ),
        cap_express_devctl2_obff(PCI_EXP_DEVCTL2_OBFF(w)));
   if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM)
     printf(" ARIFwd%c\n", FLAG(w, PCI_EXP_DEVCTL2_ARI));