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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sun_sas.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <libdevinfo.h>
#include <netinet/in.h>
#include <inttypes.h>
/*
* structure for di_devlink_walk
*/
typedef struct walk_devlink {
char *path;
size_t len;
char **linkpp;
} walk_devlink_t;
/*
* Free the phy allocation.
*/
static void
free_phy_info(struct sun_sas_port *port_ptr)
{
struct phy_info *phy_ptr, *last_phy;
phy_ptr = port_ptr->first_phy;
while (phy_ptr != NULL) {
last_phy = phy_ptr;
phy_ptr = phy_ptr->next;
free(last_phy);
}
port_ptr->first_phy = NULL;
}
/*
* callback funtion for di_devlink_walk
* Find matching /dev link for the given path argument.
* devlink element and callback function argument.
* The input path is expected to not have "/devices".
*/
extern HBA_STATUS
get_phy_info(di_node_t node, struct sun_sas_port *port_ptr)
{
const char ROUTINE[] = "get_phy_info";
char *portDevpath = NULL;
uchar_t *propByteData = NULL;
struct phy_info *phy_ptr;
uint_t nvcount;
int rval, count, i;
nvlist_t *nvl, **phyInfoVal;
uint8_t phyId;
int8_t negoRate, prgmMinRate, prgmMaxRate, hwMinRate, hwMaxRate;
/*
* When path is specified, it doesn't have minor
* name. Therefore, the ../.. prefixes needs to be stripped.
*/
if ((portDevpath = di_devfs_path(node)) == NULL) {
log(LOG_DEBUG, ROUTINE,
"Unable to get device path from portNode.");
}
count = di_prop_lookup_bytes(DDI_DEV_T_ANY, node, "phy-info",
(uchar_t **)&propByteData);
if (count < 0) {
if (portDevpath) {
log(LOG_DEBUG, ROUTINE,
"Property phy-info not found on port %s%s",
DEVICES_DIR, portDevpath);
di_devfs_path_free(portDevpath);
} else {
log(LOG_DEBUG, ROUTINE, "Property phy-info not found.");
}
return (HBA_STATUS_ERROR);
} else {
rval = nvlist_unpack((char *)propByteData, count, &nvl, 0);
if (rval != 0) {
if (portDevpath) {
log(LOG_DEBUG, ROUTINE,
"nvlist_unpack failed on port %s%s",
DEVICES_DIR, portDevpath);
di_devfs_path_free(portDevpath);
} else {
log(LOG_DEBUG, ROUTINE,
"nvlist_unpack failed.");
}
return (HBA_STATUS_ERROR);
} else {
rval = nvlist_lookup_nvlist_array(nvl, "phy-info-nvl",
&phyInfoVal, &nvcount);
if (rval != 0) {
if (portDevpath) {
log(LOG_DEBUG, ROUTINE,
"nvlist array phy-info-nvl not\
found on port %s%s", DEVICES_DIR,
portDevpath);
di_devfs_path_free(portDevpath);
} else {
log(LOG_DEBUG, ROUTINE,
"nvlist array phy-info-nvl not\
found");
}
nvlist_free(nvl);
return (HBA_STATUS_ERROR);
} else {
/* indentation moved */
for (i = 0; i < nvcount; i++) {
if (nvlist_lookup_uint8(phyInfoVal[i],
"PhyIdentifier", &phyId) != 0) {
/* Indicate a failure : no better way to set */
phyId = 0xff;
}
if (nvlist_lookup_int8(phyInfoVal[i],
"NegotiatedLinkRate", &negoRate) != 0) {
negoRate = HBA_SASSTATE_UNKNOWN;
}
if (nvlist_lookup_int8(phyInfoVal[i],
"ProgrammedMinLinkRate", &prgmMinRate) != 0) {
prgmMinRate = HBA_SASSTATE_UNKNOWN;
}
if (nvlist_lookup_int8(phyInfoVal[i],
"ProgrammedMaxLinkRate", &prgmMaxRate) != 0) {
prgmMaxRate = HBA_SASSTATE_UNKNOWN;
}
if (nvlist_lookup_int8(phyInfoVal[i],
"HardwareMinLinkRate", &hwMinRate) != 0) {
hwMinRate = HBA_SASSTATE_UNKNOWN;
}
if (nvlist_lookup_int8(phyInfoVal[i],
"HardwareMaxLinkRate", &hwMaxRate) != 0) {
hwMaxRate = HBA_SASSTATE_UNKNOWN;
}
if ((phy_ptr = (struct phy_info *)calloc(1,
sizeof (struct phy_info))) == NULL) {
OUT_OF_MEMORY(ROUTINE);
if (portDevpath)
di_devfs_path_free(portDevpath);
free_phy_info(port_ptr);
nvlist_free(nvl);
return (HBA_STATUS_ERROR);
}
phy_ptr->phy.PhyIdentifier = phyId;
phy_ptr->phy.NegotiatedLinkRate = negoRate;
phy_ptr->phy.ProgrammedMinLinkRate = prgmMinRate;
phy_ptr->phy.ProgrammedMaxLinkRate = prgmMaxRate;
phy_ptr->phy.HardwareMinLinkRate = hwMinRate;
phy_ptr->phy.HardwareMaxLinkRate = hwMaxRate;
/*
* we will fill domain port later.
*/
(void) memset(phy_ptr->phy.domainPortWWN.wwn, 0, 8);
phy_ptr->index = i;
if (port_ptr->first_phy == NULL) {
port_ptr->first_phy = phy_ptr;
} else {
phy_ptr->next = port_ptr->first_phy;
port_ptr->first_phy = phy_ptr;
}
}
nvlist_free(nvl);
/* end of indentation move */
}
}
}
if (portDevpath) {
di_devfs_path_free(portDevpath);
}
return (HBA_STATUS_OK);
}
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