src/fi_tostr: add tostr functions for fid_nic

Add default implementation for fid_nic::tostr() call.
Providers may override this call or call it internally
in order to display any provider specific data.

Signed-off-by: Jeff Squyres <jsquyres@cisco.com>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>

include/ofi.h

@@ -119,6 +119,7 @@ int ofi_apply_filter(struct fi_filter *filter, const char *name);
 
 int ofi_nic_close(struct fid *fid);
 struct fid_nic *ofi_nic_dup(const struct fid_nic *nic);
+int ofi_nic_tostr(const struct fid *fid_nic, char *buf, size_t len);
 
 void fi_log_init(void);
 void fi_log_fini(void);

src/fabric.c

@@ -529,6 +529,7 @@ struct fi_ops default_nic_ops = {
 	.size = sizeof(struct fi_ops),
 	.close = ofi_nic_close,
 	.control = ofi_nic_control,
+	.tostr = ofi_nic_tostr,
 };
 
 static int ofi_dup_dev_attr(const struct fi_device_attr *attr,

src/fi_tostr.c

@@ -537,6 +537,102 @@ static void ofi_tostr_fabric_attr(char *buf, const struct fi_fabric_attr *attr,
 		FI_MAJOR(attr->api_version), FI_MINOR(attr->api_version));
 }
 
+static void ofi_tostr_device_attr(char *buf, const struct fi_device_attr *attr)
+{
+	const char *prefix = TAB TAB;
+	ofi_strcatf(buf, "%sfi_device_attr:\n", prefix);
+
+	prefix = TAB TAB TAB;
+	ofi_strcatf(buf, "%sname: %s\n", prefix, attr->name);
+	ofi_strcatf(buf, "%sdevice_id: %s\n", prefix, attr->device_id);
+	ofi_strcatf(buf, "%sdevice_version: %s\n", prefix, attr->device_version);
+	ofi_strcatf(buf, "%svendor_id: %s\n", prefix, attr->vendor_id);
+	ofi_strcatf(buf, "%sdriver: %s\n", prefix, attr->driver);
+	ofi_strcatf(buf, "%sfirmware: %s\n", prefix, attr->firmware);
+}
+
+static void ofi_tostr_pci_attr(char *buf, const struct fi_pci_attr *attr)
+{
+	const char *prefix = TAB TAB TAB;
+	ofi_strcatf(buf, "%sfi_pci_attr:\n", prefix);
+
+	prefix = TAB TAB TAB TAB;
+	ofi_strcatf(buf, "%sdomain_id: %u\n", prefix, attr->domain_id);
+	ofi_strcatf(buf, "%sbus_id: %u\n", prefix, attr->bus_id);
+	ofi_strcatf(buf, "%sdevice_id: %u\n", prefix, attr->device_id);
+	ofi_strcatf(buf, "%sfunction_id: %u\n", prefix, attr->function_id);
+}
+
+static void ofi_tostr_bus_type(char *buf, int type)
+{
+	switch (type) {
+	CASEENUMSTR(FI_BUS_UNKNOWN);
+	CASEENUMSTR(FI_BUS_PCI);
+	default:
+		ofi_strcatf(buf, "Unknown");
+		break;
+	}
+}
+
+static void ofi_tostr_bus_attr(char *buf, const struct fi_bus_attr *attr)
+{
+	const char *prefix = TAB TAB;
+	ofi_strcatf(buf, "%sfi_bus_attr:\n", prefix);
+
+	prefix = TAB TAB TAB;
+	ofi_strcatf(buf, "%sfi_bus_type: ", prefix);
+	ofi_tostr_bus_type(buf, attr->bus_type);
+	ofi_strcatf(buf, "\n");
+
+	switch (attr->bus_type) {
+	case FI_BUS_PCI:
+		ofi_tostr_pci_attr(buf, &attr->attr.pci);
+		break;
+	default:
+		break;
+	}
+}
+
+static void ofi_tostr_link_state(char *buf, int state)
+{
+	switch (state) {
+	CASEENUMSTR(FI_LINK_UNKNOWN);
+	CASEENUMSTR(FI_LINK_DOWN);
+	CASEENUMSTR(FI_LINK_UP);
+	default:
+		ofi_strcatf(buf, "Unknown");
+		break;
+	}
+}
+
+static void ofi_tostr_link_attr(char *buf, const struct fi_link_attr *attr)
+{
+	const char *prefix = TAB TAB;
+	ofi_strcatf(buf, "%sfi_link_attr:\n", prefix);
+
+	prefix = TAB TAB TAB;
+	ofi_strcatf(buf, "%saddress: %s\n", prefix, attr->address);
+	ofi_strcatf(buf, "%smtu: %zu\n", prefix, attr->mtu);
+	ofi_strcatf(buf, "%sspeed: %zu\n", prefix, attr->speed);
+	ofi_strcatf(buf, "%sstate: ", prefix);
+	ofi_tostr_link_state(buf, attr->state);
+	ofi_strcatf(buf, "\n");
+	ofi_strcatf(buf, "%snetwork_type: %s\n", prefix, attr->network_type);
+}
+
+int ofi_nic_tostr(const struct fid *fid_nic, char *buf, size_t len)
+{
+	const struct fid_nic *nic = (const struct fid_nic*) fid_nic;
+
+	assert(fid_nic->fclass == FI_CLASS_NIC);
+	ofi_strcatf(buf, "%sfid_nic:\n", TAB);
+
+	ofi_tostr_device_attr(buf, nic->device_attr);
+	ofi_tostr_bus_attr(buf, nic->bus_attr);
+	ofi_tostr_link_attr(buf, nic->link_attr);
+	return 0;
+}
+
 static void ofi_tostr_info(char *buf, const struct fi_info *info)
 {
 	ofi_strcatf(buf, "fi_info:\n");