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 [thread overview]
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>
---
| 1 +
ls-caps.c | 3 ++-
2 files changed, 3 insertions(+), 1 deletion(-)
--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
next reply other threads:[~2020-08-01 7:44 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-01 7:21 Dongdong Liu [this message]
2020-08-28 1:01 ` [PATCH] lspci: Decode 10-Bit Tag Requester Enable 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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