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* [PATCH] lspci: Decode 10-Bit Tag Requester Enable
@ 2020-08-01  7:21 Dongdong Liu
  2020-08-28  1:01 ` Dongdong Liu
  2020-08-28 16:49 ` Bjorn Helgaas
  0 siblings, 2 replies; 6+ messages in thread
From: Dongdong Liu @ 2020-08-01  7:21 UTC (permalink / raw)
  To: mj; +Cc: helgaas, linux-pci

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>
---
 lib/header.h | 1 +
 ls-caps.c    | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/header.h b/lib/header.h
index 472816e..eaf6517 100644
--- a/lib/header.h
+++ b/lib/header.h
@@ -898,6 +898,7 @@
 #define  PCI_EXP_DEVCAP2_64BIT_ATOMICOP_COMP	0x0100	/* 64bit AtomicOp Completer Supported */
 #define  PCI_EXP_DEVCAP2_128BIT_CAS_COMP	0x0200	/* 128bit CAS Completer Supported */
 #define  PCI_EXP_DEV2_LTR		0x0400	/* LTR enabled */
+#define  PCI_EXP_DEV2_10BIT_TAG_REQ	0x1000 /* 10 Bit Tag Requester enabled */
 #define  PCI_EXP_DEV2_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 a09b0cf..d17cbad 100644
--- 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_DEV2_TIMEOUT_VALUE(w)),
 	FLAG(w, PCI_EXP_DEV2_TIMEOUT_DIS),
 	FLAG(w, PCI_EXP_DEV2_LTR),
+	FLAG(w, PCI_EXP_DEV2_10BIT_TAG_REQ),
 	cap_express_devctl2_obff(PCI_EXP_DEV2_OBFF(w)));
   if (type == PCI_EXP_TYPE_ROOT_PORT || type == PCI_EXP_TYPE_DOWNSTREAM)
     printf(" ARIFwd%c\n", FLAG(w, PCI_EXP_DEV2_ARI));
-- 
1.9.1


^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2020-08-29  2:05 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2020-08-01  7:21 [PATCH] lspci: Decode 10-Bit Tag Requester Enable Dongdong Liu
2020-08-28  1:01 ` Dongdong Liu
2020-08-28 16:49 ` Bjorn Helgaas
2020-08-28 20:56   ` Martin Mareš
2020-08-29  2:05     ` Dongdong Liu
2020-08-29  2:03   ` Dongdong Liu

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