/*
* Copyright (c) 2004-2008 Voltaire, Inc. All rights reserved.
* Copyright (c) 2002-2005 Mellanox Technologies LTD. All rights reserved.
* Copyright (c) 1996-2003 Intel Corporation. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* OpenIB.org BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#if HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#if defined(OSM_VENDOR_INTF_MTL) | defined(OSM_VENDOR_INTF_TS)
#undef IN
#undef OUT
#include <stdlib.h>
#include <vapi_types.h>
#include <evapi.h>
#include <vendor/osm_vendor_api.h>
#include <opensm/osm_log.h>
#include <stdio.h>
/********************************************************************************
*
* Provide the functionality for selecting an HCA Port and Obtaining it's guid.
*
********************************************************************************/
/**********************************************************************
* Convert the given GID to GUID by copy of it's upper 8 bytes
*
*
**********************************************************************/
ib_api_status_t
__osm_vendor_gid_to_guid(IN u_int8_t * gid, OUT VAPI_gid_t * guid)
{
memcpy(guid, gid + 8, 8);
return (IB_SUCCESS);
}
/****f* OpenSM: CA Info/osm_ca_info_get_pi_ptr
* NAME
* osm_ca_info_get_pi_ptr
*
* DESCRIPTION
* Returns a pointer to the port attribute of the specified port
* owned by this CA.
*
* SYNOPSIS
*/
static ib_port_attr_t *__osm_ca_info_get_port_attr_ptr(IN const osm_ca_info_t *
const p_ca_info,
IN const uint8_t index)
{
return (&p_ca_info->p_attr->p_port_attr[index]);
}
/*
* PARAMETERS
* p_ca_info
* [in] Pointer to a CA Info object.
*
* index
* [in] Port "index" for which to retrieve the port attribute.
* The index is the offset into the ca's internal array
* of port attributes.
*
* RETURN VALUE
* Returns a pointer to the port attribute of the specified port
* owned by this CA.
*
* NOTES
*
* SEE ALSO
*********/
/********************************************************************************
* get the CA names ava`ilable on the system
* NOTE: user of this function needs to deallocate p_hca_ids after usage.
********************************************************************************/
static ib_api_status_t
__osm_vendor_get_ca_ids(IN osm_vendor_t * const p_vend,
IN VAPI_hca_id_t ** const p_hca_ids,
IN uint32_t * const p_num_guids)
{
ib_api_status_t status;
VAPI_ret_t vapi_res;
OSM_LOG_ENTER(p_vend->p_log);
CL_ASSERT(p_hca_ids);
CL_ASSERT(p_num_guids);
/* first call is just to get the number */
vapi_res = EVAPI_list_hcas(0, p_num_guids, NULL);
/* fail ? */
if (vapi_res == VAPI_EINVAL_PARAM) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"__osm_vendor_get_ca_ids: ERR 7101: "
"Bad parameter in calling: EVAPI_list_hcas. (%d)\n",
vapi_res);
status = IB_ERROR;
goto Exit;
}
/* NO HCA ? */
if (*p_num_guids == 0) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"__osm_vendor_get_ca_ids: ERR 7102: "
"No available channel adapters.\n");
status = IB_INSUFFICIENT_RESOURCES;
goto Exit;
}
/* allocate and really call - user of this function needs to deallocate it */
*p_hca_ids =
(VAPI_hca_id_t *) malloc(*p_num_guids * sizeof(VAPI_hca_id_t));
/* now call it really */
vapi_res = EVAPI_list_hcas(*p_num_guids, p_num_guids, *p_hca_ids);
/* too many ? */
if (vapi_res == VAPI_EAGAIN) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"__osm_vendor_get_ca_ids: ERR 7103: "
"More CA GUIDs than allocated array (%d).\n",
*p_num_guids);
status = IB_ERROR;
goto Exit;
}
/* fail ? */
if (vapi_res != VAPI_OK) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"__osm_vendor_get_ca_ids: ERR 7104: "
"Bad parameter in calling: EVAPI_list_hcas.\n");
status = IB_ERROR;
goto Exit;
}
if (osm_log_is_active(p_vend->p_log, OSM_LOG_DEBUG)) {
osm_log(p_vend->p_log, OSM_LOG_DEBUG,
"__osm_vendor_get_ca_ids: "
"Detected %u local channel adapters.\n", *p_num_guids);
}
status = IB_SUCCESS;
Exit:
OSM_LOG_EXIT(p_vend->p_log);
return (status);
}
/**********************************************************************
* Initialize an Info Struct for the Given HCA by its Id
**********************************************************************/
static ib_api_status_t
__osm_ca_info_init(IN osm_vendor_t * const p_vend,
IN VAPI_hca_id_t ca_id, OUT osm_ca_info_t * const p_ca_info)
{
ib_api_status_t status = IB_ERROR;
VAPI_ret_t vapi_res;
VAPI_hca_hndl_t hca_hndl;
VAPI_hca_vendor_t hca_vendor;
VAPI_hca_cap_t hca_cap;
VAPI_hca_port_t hca_port;
uint8_t port_num;
IB_gid_t *p_port_gid;
uint16_t maxNumGids;
OSM_LOG_ENTER(p_vend->p_log);
/* get the HCA handle */
vapi_res = EVAPI_get_hca_hndl(ca_id, &hca_hndl);
if (vapi_res != VAPI_OK) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"__osm_ca_info_init: ERR 7105: "
"Fail to get HCA handle (%u).\n", vapi_res);
goto Exit;
}
if (osm_log_is_active(p_vend->p_log, OSM_LOG_DEBUG)) {
osm_log(p_vend->p_log, OSM_LOG_DEBUG,
"__osm_ca_info_init: " "Querying CA %s.\n", ca_id);
}
/* query and get the HCA capability */
vapi_res = VAPI_query_hca_cap(hca_hndl, &hca_vendor, &hca_cap);
if (vapi_res != VAPI_OK) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"__osm_ca_info_init: ERR 7106: "
"Fail to get HCA Capabilities (%u).\n", vapi_res);
goto Exit;
}
/* get the guid of the HCA */
memcpy(&(p_ca_info->guid), hca_cap.node_guid, 8 * sizeof(u_int8_t));
p_ca_info->attr_size = 1;
p_ca_info->p_attr = (ib_ca_attr_t *) malloc(sizeof(ib_ca_attr_t));
memcpy(&(p_ca_info->p_attr->ca_guid), hca_cap.node_guid,
8 * sizeof(u_int8_t));
/* now obtain the attributes of the ports */
p_ca_info->p_attr->num_ports = hca_cap.phys_port_num;
p_ca_info->p_attr->p_port_attr =
(ib_port_attr_t *) malloc(hca_cap.phys_port_num *
sizeof(ib_port_attr_t));
for (port_num = 0; port_num < p_ca_info->p_attr->num_ports; port_num++) {
/* query the port attributes */
vapi_res =
VAPI_query_hca_port_prop(hca_hndl, port_num + 1, &hca_port);
if (vapi_res != VAPI_OK) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"__osm_ca_info_init: ERR 7107: "
"Fail to get HCA Port Attributes (%d).\n",
vapi_res);
goto Exit;
}
/* first call to know the size of the gid table */
vapi_res =
VAPI_query_hca_gid_tbl(hca_hndl, port_num + 1, 0,
&maxNumGids, NULL);
p_port_gid = (IB_gid_t *) malloc(maxNumGids * sizeof(IB_gid_t));
vapi_res =
VAPI_query_hca_gid_tbl(hca_hndl, port_num + 1, maxNumGids,
&maxNumGids, p_port_gid);
if (vapi_res != VAPI_OK) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"__osm_ca_info_init: ERR 7108: "
"Fail to get HCA Port GID (%d).\n", vapi_res);
goto Exit;
}
__osm_vendor_gid_to_guid(p_port_gid[0],
(IB_gid_t *) & p_ca_info->p_attr->
p_port_attr[port_num].port_guid);
p_ca_info->p_attr->p_port_attr[port_num].lid = hca_port.lid;
p_ca_info->p_attr->p_port_attr[port_num].link_state =
hca_port.state;
p_ca_info->p_attr->p_port_attr[port_num].sm_lid =
hca_port.sm_lid;
free(p_port_gid);
}
status = IB_SUCCESS;
Exit:
OSM_LOG_EXIT(p_vend->p_log);
return (status);
}
void
osm_ca_info_destroy(IN osm_vendor_t * const p_vend,
IN osm_ca_info_t * const p_ca_info)
{
OSM_LOG_ENTER(p_vend->p_log);
if (p_ca_info->p_attr) {
if (p_ca_info->p_attr->num_ports) {
free(p_ca_info->p_attr->p_port_attr);
}
free(p_ca_info->p_attr);
}
free(p_ca_info);
OSM_LOG_EXIT(p_vend->p_log);
}
/**********************************************************************
* Fill in the array of port_attr with all available ports on ALL the
* avilable CAs on this machine.
* ALSO -
* UPDATE THE VENDOR OBJECT LIST OF CA_INFO STRUCTS
**********************************************************************/
ib_api_status_t
osm_vendor_get_all_port_attr(IN osm_vendor_t * const p_vend,
IN ib_port_attr_t * const p_attr_array,
IN uint32_t * const p_num_ports)
{
ib_api_status_t status;
uint32_t ca;
uint32_t ca_count;
uint32_t port_count = 0;
uint8_t port_num;
uint32_t total_ports = 0;
VAPI_hca_id_t *p_ca_ids = NULL;
osm_ca_info_t *p_ca_info;
OSM_LOG_ENTER(p_vend->p_log);
CL_ASSERT(p_vend);
/*
* 1) Determine the number of CA's
* 2) Allocate an array big enough to hold the ca info objects.
* 3) Call again to retrieve the guids.
*/
status = __osm_vendor_get_ca_ids(p_vend, &p_ca_ids, &ca_count);
if (status != IB_SUCCESS) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osm_vendor_get_all_port_attr: ERR 7109: "
"Fail to get CA Ids.\n");
goto Exit;
}
/* we keep track of all the CAs in this info array */
p_vend->p_ca_info = malloc(ca_count * sizeof(*p_vend->p_ca_info));
if (p_vend->p_ca_info == NULL) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osm_vendor_get_all_port_attr: ERR 7110: "
"Unable to allocate CA information array.\n");
goto Exit;
}
memset(p_vend->p_ca_info, 0, ca_count * sizeof(*p_vend->p_ca_info));
p_vend->ca_count = ca_count;
/*
* For each CA, retrieve the CA info attributes
*/
for (ca = 0; ca < ca_count; ca++) {
p_ca_info = &p_vend->p_ca_info[ca];
status = __osm_ca_info_init(p_vend, p_ca_ids[ca], p_ca_info);
if (status != IB_SUCCESS) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osm_vendor_get_all_port_attr: ERR 7111: "
"Unable to initialize CA Info object (%s).\n",
ib_get_err_str(status));
}
total_ports += osm_ca_info_get_num_ports(p_ca_info);
osm_log(p_vend->p_log, OSM_LOG_DEBUG,
"osm_vendor_get_all_port_attr: "
"osm_vendor_get_all_port_attr: %u got %u ports total:%u\n",
ca, osm_ca_info_get_num_ports(p_ca_info), total_ports);
}
/*
* If the user supplied enough storage, return the port guids,
* otherwise, return the appropriate error.
*/
if (*p_num_ports >= total_ports) {
for (ca = 0; ca < ca_count; ca++) {
uint32_t num_ports;
p_ca_info = &p_vend->p_ca_info[ca];
num_ports = osm_ca_info_get_num_ports(p_ca_info);
for (port_num = 0; port_num < num_ports; port_num++) {
p_attr_array[port_count] =
*__osm_ca_info_get_port_attr_ptr(p_ca_info,
port_num);
port_count++;
}
}
} else {
status = IB_INSUFFICIENT_MEMORY;
goto Exit;
}
status = IB_SUCCESS;
Exit:
*p_num_ports = total_ports;
if (p_ca_ids)
free(p_ca_ids);
OSM_LOG_EXIT(p_vend->p_log);
return (status);
}
/**********************************************************************
* Given the vendor obj and a guid
* return the ca id and port number that have that guid
**********************************************************************/
ib_api_status_t
osm_vendor_get_guid_ca_and_port(IN osm_vendor_t * const p_vend,
IN ib_net64_t const guid,
OUT VAPI_hca_hndl_t * p_hca_hndl,
OUT VAPI_hca_id_t * p_hca_id,
OUT uint32_t * p_port_num)
{
ib_api_status_t status;
VAPI_hca_id_t *p_ca_ids = NULL;
VAPI_ret_t vapi_res;
VAPI_hca_hndl_t hca_hndl;
VAPI_hca_vendor_t hca_vendor;
VAPI_hca_cap_t hca_cap;
IB_gid_t *p_port_gid = NULL;
uint16_t maxNumGids;
ib_net64_t port_guid;
uint32_t ca, portIdx, ca_count;
OSM_LOG_ENTER(p_vend->p_log);
CL_ASSERT(p_vend);
/*
* 1) Determine the number of CA's
* 2) Allocate an array big enough to hold the ca info objects.
* 3) Call again to retrieve the guids.
*/
status = __osm_vendor_get_ca_ids(p_vend, &p_ca_ids, &ca_count);
if (status != IB_SUCCESS) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osm_vendor_get_guid_ca_and_port: ERR 7112: "
"Fail to get CA Ids.\n");
goto Exit;
}
/*
* For each CA, retrieve the CA info attributes
*/
for (ca = 0; ca < ca_count; ca++) {
/* get the HCA handle */
vapi_res = EVAPI_get_hca_hndl(p_ca_ids[ca], &hca_hndl);
if (vapi_res != VAPI_OK) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osm_vendor_get_guid_ca_and_port: ERR 7113: "
"Fail to get HCA handle (%u).\n", vapi_res);
goto Exit;
}
/* get the CA attributes - to know how many ports it has: */
if (osm_log_is_active(p_vend->p_log, OSM_LOG_DEBUG)) {
osm_log(p_vend->p_log, OSM_LOG_DEBUG,
"osm_vendor_get_guid_ca_and_port: "
"Querying CA %s.\n", p_ca_ids[ca]);
}
/* query and get the HCA capability */
vapi_res = VAPI_query_hca_cap(hca_hndl, &hca_vendor, &hca_cap);
if (vapi_res != VAPI_OK) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osm_vendor_get_guid_ca_and_port: ERR 7114: "
"Fail to get HCA Capabilities (%u).\n",
vapi_res);
goto Exit;
}
/* go over all ports - to obtail their guids */
for (portIdx = 0; portIdx < hca_cap.phys_port_num; portIdx++) {
vapi_res =
VAPI_query_hca_gid_tbl(hca_hndl, portIdx + 1, 0,
&maxNumGids, NULL);
p_port_gid =
(IB_gid_t *) malloc(maxNumGids * sizeof(IB_gid_t));
/* get the port guid */
vapi_res =
VAPI_query_hca_gid_tbl(hca_hndl, portIdx + 1,
maxNumGids, &maxNumGids,
p_port_gid);
if (vapi_res != VAPI_OK) {
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osm_vendor_get_guid_ca_and_port: ERR 7115: "
"Fail to get HCA Port GID (%d).\n",
vapi_res);
goto Exit;
}
/* convert to SF style */
__osm_vendor_gid_to_guid(p_port_gid[0],
(VAPI_gid_t *) & port_guid);
/* finally did we find it ? */
if (port_guid == guid) {
*p_hca_hndl = hca_hndl;
memcpy(p_hca_id, p_ca_ids[ca],
sizeof(VAPI_hca_id_t));
*p_port_num = portIdx + 1;
status = IB_SUCCESS;
goto Exit;
}
free(p_port_gid);
p_port_gid = NULL;
} /* ALL PORTS */
} /* all HCAs */
osm_log(p_vend->p_log, OSM_LOG_ERROR,
"osm_vendor_get_guid_ca_and_port: ERR 7116: "
"Fail to find HCA and Port for Port Guid 0x%" PRIx64 "\n",
cl_ntoh64(guid));
status = IB_INVALID_GUID;
Exit:
if (p_ca_ids != NULL)
free(p_ca_ids);
if (p_port_gid != NULL)
free(p_port_gid);
OSM_LOG_EXIT(p_vend->p_log);
return (status);
}
#ifdef __TEST_HCA_GUID__
#define GUID_ARRAY_SIZE 64
#include <stdio.h>
ib_net64_t get_port_guid()
{
uint32_t i;
uint32_t choice = 0;
boolean_t done_flag = FALSE;
ib_api_status_t status;
uint32_t num_ports = GUID_ARRAY_SIZE;
ib_port_attr_t attr_array[GUID_ARRAY_SIZE];
VAPI_hca_id_t ca_id;
uint32_t portNum;
osm_vendor_t vend;
osm_vendor_t *p_vend;
osm_log_t *p_osm_log, tlog;
p_osm_log = &tlog;
status = osm_log_init(p_osm_log, FALSE);
if (status != IB_SUCCESS)
return (status);
osm_log(p_osm_log, OSM_LOG_FUNCS, "get_port_guid: [\n");
p_vend = &vend;
p_vend->p_log = p_osm_log;
/*
* Call the transport layer for a list of local port
* GUID values.
*/
status = osm_vendor_get_all_port_attr(p_vend, attr_array, &num_ports);
if (status != IB_SUCCESS) {
printf("\nError from osm_opensm_init (%x)\n", status);
return (0);
}
if (num_ports == 0) {
printf("\nNo local ports detected!\n");
return (0);
}
while (done_flag == FALSE) {
printf("\nChoose a local port number with which to bind:\n\n");
for (i = 0; i < num_ports; i++) {
/*
* Print the index + 1 since by convention, port numbers
* start with 1 on host channel adapters.
*/
printf("\t%u: GUID = 0x%8" PRIx64
", lid = 0x%04X, state = %s\n", i + 1,
cl_ntoh64(attr_array[i].port_guid),
cl_ntoh16(attr_array[i].lid),
ib_get_port_state_str(attr_array[i].link_state));
}
printf("\nEnter choice (1-%u): ", i);
fflush(stdout);
scanf("%u", &choice);
if (choice > num_ports)
printf("\nError: Lame choice!\n");
else
done_flag = TRUE;
}
status =
osm_vendor_get_guid_ca_and_port(p_vend,
attr_array[choice - 1].port_guid,
&ca_id, &portNum);
if (status != IB_SUCCESS) {
printf("Error obtaining back the HCA and Port\n");
return (0);
}
printf("Selected: CA:%s Port:%d\n", ca_id, portNum);
return (attr_array[choice - 1].port_guid);
}
int main(int argc, char **argv)
{
get_port_guid();
return (0);
}
#endif
#endif