Signed-off-by: Yu Zhao <yu.zhao@xxxxxxxxx>
lib/header.h | 28 ++++++++++++++++++++++++++++
lspci.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 74 insertions(+)
diff --git a/lib/header.h b/lib/header.h
index 209e60f..28c866e 100644
--- a/lib/header.h
+++ b/lib/header.h
@@ -220,6 +220,7 @@ #define PCI_EXT_CAP_ID_RBCB 0x0a /* Root
#define PCI_EXT_CAP_ID_VNDR 0x0b /* Vendor specific */
#define PCI_EXT_CAP_ID_ACS 0x0d /* Access Controls */
#define PCI_EXT_CAP_ID_ARI 0x0e /* Alternative Routing-ID Interpretation */
+#define PCI_EXT_CAP_ID_SRIOV 0x10 /* Single Root I/O Virtualization */
/* Power Management Registers */
@@ -952,6 +953,33 @@ #define PCI_ARI_CTRL_MFVC 0x0001 /* MFV
#define PCI_ARI_CTRL_ACS 0x0002 /* ACS Function Groups Enable */
#define PCI_ARI_CTRL_FG(x) (((x) >> 4) & 7) /* Function Group */
+/* 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_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 */
+#define PCI_IOV_CTRL_VFME 0x0002 /* VF Migration Enable */
+#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_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 */
+#define PCI_IOV_TOTALVF 0x0e /* Maximum number of VFs that could be associated */
+#define PCI_IOV_NUMVF 0x10 /* Number of VFs that are available */
+#define PCI_IOV_FDL 0x12 /* Function Dependency Link */
+#define PCI_IOV_OFFSET 0x14 /* First VF Offset */
+#define PCI_IOV_STRIDE 0x16 /* Routing ID offset from one VF to the next one */
+#define PCI_IOV_DID 0x1a /* VF Device ID */
+#define PCI_IOV_SUPPS 0x1c /* Supported Page Sizes */
+#define PCI_IOV_SYSPS 0x20 /* System Page Size */
+#define PCI_IOV_BAR_BASE 0x24 /* VF BAR0, VF BAR1, ... VF BAR5 */
+#define PCI_IOV_NUM_BAR 6 /* Number of VF BARs */
+#define PCI_IOV_MSAO 0x3c /* VF Migration State Array Offset */
+#define PCI_IOV_MSA_BIR(x) ((x) & 7) /* VF Migration State BIR */
+#define PCI_IOV_MSA_OFFSET(x) ((x) & 0xfffffff8) /* VF Migration State Offset */
+
/*
* The PCI interface treats multi-function devices as independent
* devices. The slot/function address of each device is encoded
diff --git a/lspci.c b/lspci.c
index 3f29474..06efc2d 100644
--- a/lspci.c
+++ b/lspci.c
@@ -1578,6 +1578,49 @@ cap_ari(struct device *d, int where)
}
static void
+cap_sriov(struct device *d, int where)
+{
+ u16 b;
+ u16 w;
+ u32 l;
+
+ printf("Single Root I/O Virtualization (SR-IOV)\n");
+ if (!config_fetch(d, where + PCI_IOV_CAP, 0x3c))
+ 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));
+ w = get_conf_word(d, where + PCI_IOV_CTRL);
+ printf("\t\tIOVCtl:\tEnable%c Migration%c Interrupt%c MSE%c ARIHierarchy%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));
+ 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);
+ printf("\t\tInitial VFs: %d, ", w);
+ w = get_conf_word(d, where + PCI_IOV_TOTALVF);
+ printf("Total VFs: %d, ", w);
+ w = get_conf_word(d, where + PCI_IOV_NUMVF);
+ printf("Number of VFs: %d, ", w);
+ b = get_conf_byte(d, where + PCI_IOV_FDL);
+ printf("Function Dependency Link: %02x\n", b);
+ w = get_conf_word(d, where + PCI_IOV_OFFSET);
+ printf("\t\tVF offset: %d, ", w);
+ w = get_conf_word(d, where + PCI_IOV_STRIDE);
+ printf("stride: %d, ", w);
+ w = get_conf_word(d, where + PCI_IOV_DID);
+ printf("Device ID: %04x\n", w);
+ l = get_conf_long(d, where + PCI_IOV_SUPPS);
+ printf("\t\tSupported Page Size: %08x, ", l);
+ l = get_conf_long(d, where + PCI_IOV_SYSPS);
+ printf("System Page Size: %08x\n", l);
+ printf("\t\tVF Migration: offset: %08x, BIR: %x\n", PCI_IOV_MSA_OFFSET(l),
+ PCI_IOV_MSA_BIR(l));
+}
+
+static void
show_ext_caps(struct device *d)
{
int where = 0x100;
@@ -1638,6 +1681,9 @@ show_ext_caps(struct device *d)
case PCI_EXT_CAP_ID_ARI:
cap_ari(d, where);
break;
+ case PCI_EXT_CAP_ID_SRIOV:
+ cap_sriov(d, where);
+ break;
default:
printf("#%02x\n", id);
break;
--
To unsubscribe from this list: send the line "unsubscribe linux-pci" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
