ping... On 2020/8/1 15:21, Dongdong Liu wrote:
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@xxxxxxxxxx> --- 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));