Linux-PCI Archive on lore.kernel.org
 help / color / Atom feed
From: Dongdong Liu <liudongdong3@huawei.com>
To: <mj@ucw.cz>
Cc: <helgaas@kernel.org>, <linux-pci@vger.kernel.org>
Subject: [PATCH] lspci: Decode 10-Bit Tag Requester Enable
Date: Sat, 1 Aug 2020 15:21:20 +0800
Message-ID: <1596266480-52789-1-git-send-email-liudongdong3@huawei.com> (raw)

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


                 reply index

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1596266480-52789-1-git-send-email-liudongdong3@huawei.com \
    --to=liudongdong3@huawei.com \
    --cc=helgaas@kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=mj@ucw.cz \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

Linux-PCI Archive on lore.kernel.org

Archives are clonable:
	git clone --mirror https://lore.kernel.org/linux-pci/0 linux-pci/git/0.git

	# If you have public-inbox 1.1+ installed, you may
	# initialize and index your mirror using the following commands:
	public-inbox-init -V2 linux-pci linux-pci/ https://lore.kernel.org/linux-pci \
		linux-pci@vger.kernel.org
	public-inbox-index linux-pci

Example config snippet for mirrors

Newsgroup available over NNTP:
	nntp://nntp.lore.kernel.org/org.kernel.vger.linux-pci


AGPL code for this site: git clone https://public-inbox.org/public-inbox.git