Decode VF 10-Bit Tag Requester Supported and Enable bit
in SR-IOV Capabilities Register.
Sample output:
IOVCap: Migration-, 10BitTagReq+, Interrupt Message Number: 000
IOVCtl: Enable+ Migration- Interrupt- MSE+ ARIHierarchy- 10BitTagReq+
Signed-off-by: Dongdong Liu <liudongdong3@xxxxxxxxxx>
---
lib/header.h | 2 ++
ls-ecaps.c | 8 ++++----
2 files changed, 6 insertions(+), 4 deletions(-)
diff --git a/lib/header.h b/lib/header.h
index 170e5c1..bff49c2 100644
--- a/lib/header.h
+++ b/lib/header.h
@@ -1126,6 +1126,7 @@
/* Single Root I/O Virtualization */
#define PCI_IOV_CAP 0x04 /* SR-IOV Capability Register */
#define PCI_IOV_CAP_VFM 0x00000001 /* VF Migration Capable */
+#define PCI_IOV_CAP_VF_10BIT_TAG_REQ 0x00000004 /* VF 10-Bit Tag Requester Supported */
#define PCI_IOV_CAP_IMN(x) ((x) >> 21) /* VF Migration Interrupt Message Number */
#define PCI_IOV_CTRL 0x08 /* SR-IOV Control Register */
#define PCI_IOV_CTRL_VFE 0x0001 /* VF Enable */
@@ -1133,6 +1134,7 @@
#define PCI_IOV_CTRL_VFMIE 0x0004 /* VF Migration Interrupt Enable */
#define PCI_IOV_CTRL_MSE 0x0008 /* VF MSE */
#define PCI_IOV_CTRL_ARI 0x0010 /* ARI Capable Hierarchy */
+#define PCI_IOV_CTRL_VF_10BIT_TAG_REQ_EN 0x0020 /* VF 10-Bit Tag Requester Enable */
#define PCI_IOV_STATUS 0x0a /* SR-IOV Status Register */
#define PCI_IOV_STATUS_MS 0x0001 /* VF Migration Status */
#define PCI_IOV_INITIALVF 0x0c /* Number of VFs that are initially associated */
diff --git a/ls-ecaps.c b/ls-ecaps.c
index 99c55ff..9b50aec 100644
--- a/ls-ecaps.c
+++ b/ls-ecaps.c
@@ -369,13 +369,13 @@ cap_sriov(struct device *d, int where)
return;
l = get_conf_long(d, where + PCI_IOV_CAP);
- printf("\t\tIOVCap:\tMigration%c, Interrupt Message Number: %03x\n",
- FLAG(l, PCI_IOV_CAP_VFM), PCI_IOV_CAP_IMN(l));
+ printf("\t\tIOVCap:\tMigration%c, 10BitTagReq%c, Interrupt Message Number: %03x\n",
+ FLAG(l, PCI_IOV_CAP_VFM), FLAG(l, PCI_IOV_CAP_VF_10BIT_TAG_REQ), PCI_IOV_CAP_IMN(l));
w = get_conf_word(d, where + PCI_IOV_CTRL);
- printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c\n",
+ printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%c 10BitTagReq%c\n",
FLAG(w, PCI_IOV_CTRL_VFE), FLAG(w, PCI_IOV_CTRL_VFME),
FLAG(w, PCI_IOV_CTRL_VFMIE), FLAG(w, PCI_IOV_CTRL_MSE),
- FLAG(w, PCI_IOV_CTRL_ARI));
+ FLAG(w, PCI_IOV_CTRL_ARI), FLAG(w, PCI_IOV_CTRL_VF_10BIT_TAG_REQ_EN));
w = get_conf_word(d, where + PCI_IOV_STATUS);
printf("\t\tIOVSta:\tMigration%c\n", FLAG(w, PCI_IOV_STATUS_MS));
w = get_conf_word(d, where + PCI_IOV_INITIALVF);
--
1.9.1
