fctl.c revision fcf3ce441efd61da9bb2884968af01cb7c1452cc
/*
* 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 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <sys/mdb_modapi.h>
#include <sys/mutex.h>
#include <sys/modctl.h>
#include <time.h>
#include <sys/fibre-channel/fc.h>
#include <sys/fibre-channel/impl/fctl_private.h>
#include <sys/fibre-channel/impl/fc_ulpif.h>
#include <sys/fibre-channel/impl/fc_portif.h>
#include <sys/fibre-channel/impl/fc_fcaif.h>
/*
* If we #include <string.h> then other definitions fail. This is
* the easiest way of getting access to the function
*/
extern char *strtok(char *string, const char *sepset);
/* we need 26 bytes for the cftime() call */
#define TIMESTAMPSIZE 26 * sizeof (char)
/* for backward compatibility */
typedef struct fc_trace_dmsgv1 {
int id_size;
int id_flag;
time_t id_time;
caddr_t id_buf;
struct fc_trace_dmsgv1 *id_next;
} fc_trace_dmsgv1_t;
static struct pwwn_hash *fp_pwwn_table;
static struct d_id_hash *fp_did_table;
static uint32_t pd_hash_index;
struct fc_local_port port;
/*
* Leadville port walker/dcmd code
*/
/*
* Initialize the fc_fca_port_t walker by either using the given starting
* address, or reading the value of the kernel's fctl_fca_portlist pointer.
* We also allocate a fc_fca_port_t for storage, and save this using the
* walk_data pointer.
*/
static int
port_walk_i(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL &&
mdb_readvar(&wsp->walk_addr, "fctl_fca_portlist") == -1) {
mdb_warn("failed to read 'fctl_fca_portlist'");
return (WALK_ERR);
}
wsp->walk_data = mdb_alloc(sizeof (fc_fca_port_t), UM_SLEEP);
return (WALK_NEXT);
}
/*
* At each step, read a fc_fca_port_t into our private storage, and then invoke
* the callback function. We terminate when we reach a NULL p_next pointer.
*/
static int
port_walk_s(mdb_walk_state_t *wsp)
{
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(wsp->walk_data, sizeof (fc_fca_port_t), wsp->walk_addr)
== -1) {
mdb_warn("failed to read fc_fca_port_t at %p", wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr =
(uintptr_t)(((fc_fca_port_t *)wsp->walk_data)->port_next);
return (status);
}
/*
* The walker's fini function is invoked at the end of each walk. Since we
* dynamically allocated a fc_fca_port_t in port_walk_i, we must free it now.
*/
static void
port_walk_f(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (fc_fca_port_t));
}
static int
ports(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
fc_fca_port_t portlist;
fc_local_port_t port;
int longlist = FALSE;
if (argc > 1) {
return (DCMD_USAGE);
}
if (mdb_getopts(argc, argv,
'l', MDB_OPT_SETBITS, TRUE, &longlist) != argc) {
return (DCMD_USAGE);
}
if (!(flags & DCMD_ADDRSPEC)) {
if (longlist == 0) {
if (mdb_walk_dcmd("ports", "ports",
argc, argv) == -1) {
mdb_warn("failed to walk 'fctl_fca_portlist'");
return (DCMD_ERR);
}
} else {
if (mdb_walk_dcmd("ports", "fcport",
argc, argv) == -1) {
mdb_warn("failed to walk 'fctl_fca_portlist'");
return (DCMD_ERR);
}
}
return (DCMD_OK);
}
/*
* If this is the first invocation of the command, print a nice
* header line for the output that will follow.
*/
if (DCMD_HDRSPEC(flags))
mdb_printf("%16s %-2s %4s %-4s%16s %16s %16s\n",
"Port", "I#", "State", "Soft", "FCA Handle",
"Port DIP", "FCA Port DIP");
/*
* For each port, we just need to read the fc_fca_port_t struct, read
* the port_handle
*/
if (mdb_vread(&portlist, sizeof (fc_fca_port_t), addr) ==
sizeof (fc_fca_port_t)) {
/*
* Now read that port in
*/
if (mdb_vread(&port, sizeof (fc_local_port_t), (uintptr_t)
portlist.port_handle) == sizeof (fc_local_port_t)) {
mdb_printf("%16p %2d %4x %4x %16p %16p %16p\n",
portlist.port_handle, port.fp_instance,
port.fp_state, port.fp_soft_state,
port.fp_fca_handle, port.fp_port_dip,
port.fp_fca_dip);
} else
mdb_warn("failed to read port at %p",
portlist.port_handle);
} else
mdb_warn("failed to read port info at %p", addr);
return (DCMD_OK);
}
/*
* Leadville ULP walker/dcmd code
*/
static int
ulp_walk_i(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL &&
mdb_readvar(&wsp->walk_addr, "fctl_ulp_list") == -1) {
mdb_warn("failed to read 'fctl_ulp_list'");
return (WALK_ERR);
}
wsp->walk_data = mdb_alloc(sizeof (fc_ulp_list_t), UM_SLEEP);
return (WALK_NEXT);
}
static int
ulp_walk_s(mdb_walk_state_t *wsp)
{
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(wsp->walk_data, sizeof (fc_ulp_list_t), wsp->walk_addr)
== -1) {
mdb_warn("failed to read fctl_ulp_list %p", wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr =
(uintptr_t)(((fc_ulp_list_t *)wsp->walk_data)->ulp_next);
return (status);
}
static void
ulp_walk_f(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (fc_ulp_list_t));
}
static int
ulps(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
fc_ulp_list_t ulplist;
fc_ulp_modinfo_t ulp;
char ulp_name[30];
if (argc != 0) {
return (DCMD_USAGE);
}
/*
* If no fc_ulp_list_t address was specified on the command line, we can
* print out all processes by invoking the walker, using this
* dcmd itself as the callback.
*/
if (!(flags & DCMD_ADDRSPEC)) {
if (mdb_walk_dcmd("ulps", "ulps", argc, argv) == -1) {
mdb_warn("failed to walk 'fc_ulp_list_t'");
return (DCMD_ERR);
}
return (DCMD_OK);
}
/*
* If this is the first invocation of the command, print a nice
* header line for the output that will follow.
*/
if (DCMD_HDRSPEC(flags))
mdb_printf("%30s %4s %8s\n", "ULP Name", "Type", "Revision");
/*
* For each port, we just need to read the fc_fca_port_t struct, read
* the port_handle
*/
if (mdb_vread(&ulplist, sizeof (fc_ulp_list_t), addr) ==
sizeof (fc_ulp_list_t)) {
/*
* Now read that port in
*/
if (mdb_vread(&ulp, sizeof (fc_ulp_modinfo_t),
(uintptr_t)ulplist.ulp_info) == sizeof (fc_ulp_modinfo_t)) {
if (mdb_vread(&ulp_name, 30,
(uintptr_t)ulp.ulp_name) > 0) {
mdb_printf("%30s %4x %8x\n",
ulp_name, ulp.ulp_type, ulp.ulp_rev);
}
} else
mdb_warn("failed to read ulp at %p",
ulplist.ulp_info);
} else
mdb_warn("failed to read ulplist at %p", addr);
return (DCMD_OK);
}
/*
* Leadville ULP module walker/dcmd code
*/
static int
ulpmod_walk_i(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL &&
mdb_readvar(&wsp->walk_addr, "fctl_ulp_modules") == -1) {
mdb_warn("failed to read 'fctl_ulp_modules'");
return (WALK_ERR);
}
wsp->walk_data = mdb_alloc(sizeof (fc_ulp_module_t), UM_SLEEP);
return (WALK_NEXT);
}
static int
ulpmod_walk_s(mdb_walk_state_t *wsp)
{
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(wsp->walk_data, sizeof (fc_ulp_module_t), wsp->walk_addr)
== -1) {
mdb_warn("failed to read fctl_ulp_modules %p", wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr =
(uintptr_t)(((fc_ulp_module_t *)wsp->walk_data)->mod_next);
return (status);
}
static void
ulpmod_walk_f(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (fc_ulp_module_t));
}
static int
ulpmods(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
fc_ulp_module_t modlist;
fc_ulp_modinfo_t modinfo;
fc_ulp_ports_t ulp_port;
if (argc != 0) {
return (DCMD_USAGE);
}
if (!(flags & DCMD_ADDRSPEC)) {
if (mdb_walk_dcmd("ulpmods", "ulpmods", argc, argv)
== -1) {
mdb_warn("failed to walk 'fc_ulp_module_t'");
return (DCMD_ERR);
}
return (DCMD_OK);
}
/*
* If this is the first invocation of the command, print a nice
* header line for the output that will follow.
*/
if (DCMD_HDRSPEC(flags))
mdb_printf("%4s %16s %8s %8s\n",
"Type", "Port Handle", "dstate", "statec");
/*
* For each port, we just need to read the fc_fca_port_t struct, read
* the port_handle
*/
if (mdb_vread(&modlist, sizeof (fc_ulp_module_t), addr) ==
sizeof (fc_ulp_module_t)) {
/*
* Now read that module info in
*/
if (mdb_vread(&modinfo, sizeof (fc_ulp_modinfo_t),
(uintptr_t)modlist.mod_info) == sizeof (fc_ulp_modinfo_t)) {
/* Now read all the ports for this module */
if (mdb_vread(&ulp_port, sizeof (fc_ulp_ports_t),
(uintptr_t)modlist.mod_ports) ==
sizeof (fc_ulp_ports_t)) {
while (ulp_port.port_handle != NULL) {
mdb_printf("%4x %16p %8x %8x\n",
modinfo.ulp_type,
ulp_port.port_handle,
ulp_port.port_dstate,
ulp_port.port_statec);
if (ulp_port.port_next == NULL)
break;
mdb_vread(&ulp_port,
sizeof (fc_ulp_ports_t),
(uintptr_t)ulp_port.port_next);
}
}
} else
mdb_warn("failed to read modinfo at %p",
modlist.mod_info);
} else
mdb_warn("failed to read modlist at %p", addr);
return (DCMD_OK);
}
/*
* Display an fc_local_port_t struct
*/
static int
fcport(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
fc_fca_port_t portlist;
fc_local_port_t port;
int idx;
int first = 1;
int walking_fc_fca_portlist = 0;
if (argc != 0) {
int result;
if (argc != 1)
return (DCMD_USAGE);
if (argv->a_type != MDB_TYPE_STRING)
return (DCMD_USAGE);
walking_fc_fca_portlist = 1;
}
if (!(flags & DCMD_ADDRSPEC)) {
mdb_printf("Sorry, you must provide an address\n");
return (DCMD_ERR);
}
if (walking_fc_fca_portlist) {
/*
* Must read the fc_fca_portlist to get the fc_local_port addr
*/
if (mdb_vread(&portlist, sizeof (fc_fca_port_t), addr) ==
sizeof (fc_fca_port_t)) {
addr = (uintptr_t)portlist.port_handle;
}
}
mdb_printf("Reading fc_local_port_t at %p:\n", addr);
/*
* For each port, we just need to read the fc_local_port_t struct
*/
if (mdb_vread(&port, sizeof (fc_local_port_t),
addr) == sizeof (fc_local_port_t)) {
mdb_printf(" fp_mutex : 0x%p\n", port.fp_mutex);
mdb_printf(" fp_state : 0x%-8x\n", port.fp_state);
mdb_printf(" fp_port_id : 0x%-06x\n",
port.fp_port_id.port_id);
mdb_printf(" fp_fca_handle : 0x%p\n", port.fp_fca_handle);
mdb_printf(" fp_fca_tran : 0x%p\n", port.fp_fca_tran);
mdb_printf(" fp_job_head : 0x%p\n", port.fp_job_head);
mdb_printf(" fp_job_tail : 0x%p\n", port.fp_job_tail);
mdb_printf(" fp_wait_head : 0x%p\n", port.fp_wait_head);
mdb_printf(" fp_wait_tail : 0x%p\n", port.fp_wait_tail);
mdb_printf(" fp_topology : %u\n", port.fp_topology);
mdb_printf(" fp_task : %d\n", port.fp_task);
mdb_printf(" fp_last_task : %d\n", port.fp_last_task);
mdb_printf(" fp_soft_state : 0x%-4x\n",
port.fp_soft_state);
mdb_printf(" fp_flag : 0x%-2x\n", port.fp_flag);
mdb_printf(" fp_statec_busy : 0x%-8x\n",
port.fp_statec_busy);
mdb_printf(" fp_port_num : %d\n", port.fp_port_num);
mdb_printf(" fp_instance : %d\n", port.fp_instance);
mdb_printf(" fp_ulp_attach : %d\n", port.fp_ulp_attach);
mdb_printf(" fp_dev_count : %d\n", port.fp_dev_count);
mdb_printf(" fp_total_devices : %d\n", port.fp_total_devices);
mdb_printf(" fp_bind_state : 0x%-8x\n",
port.fp_bind_state);
mdb_printf(" fp_options : 0x%-8x\n", port.fp_options);
mdb_printf(" fp_port_type : 0x%-2x\n",
port.fp_port_type.port_type);
mdb_printf(" fp_ub_count : %d\n", port.fp_ub_count);
mdb_printf(" fp_active_ubs : %d\n", port.fp_active_ubs);
mdb_printf(" fp_port_dip : 0x%p\n", port.fp_port_dip);
mdb_printf(" fp_fca_dip : 0x%p\n", port.fp_fca_dip);
for (idx = 0; idx < 16; idx++) {
if (port.fp_ip_addr[idx] != 0)
break;
}
if (idx != 16) {
mdb_printf(" fp_ip_addr : %-2x:%-2x:%-2x:%-2x:"
"%-2x:%-2x:%-2x:%-2x:%-2x:%-2x:%-2x:%-2x:%-2x:%-2x"
":%-2x:%-2x\n",
port.fp_ip_addr[0], port.fp_ip_addr[1],
port.fp_ip_addr[2], port.fp_ip_addr[3],
port.fp_ip_addr[4], port.fp_ip_addr[5],
port.fp_ip_addr[6], port.fp_ip_addr[7],
port.fp_ip_addr[8], port.fp_ip_addr[9],
port.fp_ip_addr[10], port.fp_ip_addr[11],
port.fp_ip_addr[12], port.fp_ip_addr[13],
port.fp_ip_addr[14], port.fp_ip_addr[15]);
} else {
mdb_printf(" fp_ip_addr : N/A\n");
}
mdb_printf(" fp_fc4_types : ");
for (idx = 0; idx < 8; idx++) {
if (port.fp_fc4_types[idx] != 0) {
if (first) {
mdb_printf("%d",
port.fp_fc4_types[idx]);
first = 0;
} else {
mdb_printf(", %d",
port.fp_fc4_types[idx]);
}
}
}
if (first) {
mdb_printf("None\n");
} else {
mdb_printf("\n");
}
mdb_printf(" fp_pm_level : %d\n", port.fp_pm_level);
mdb_printf(" fp_pm_busy : %d\n", port.fp_pm_busy);
mdb_printf(" fp_pm_busy_nocomp : 0x%-8x\n",
port.fp_pm_busy_nocomp);
mdb_printf(" fp_hard_addr : 0x%-6x\n",
port.fp_hard_addr.hard_addr);
mdb_printf(" fp_sym_port_name : \"%s\"\n",
port.fp_sym_port_name);
mdb_printf(" fp_sym_node_name : \"%s\"\n",
port.fp_sym_node_name);
mdb_printf(" fp_rscn_count : %d\n", port.fp_rscn_count);
} else {
mdb_warn("failed to read fc_local_port_t at 0x%p", addr);
}
mdb_printf("\n");
return (DCMD_OK);
}
/*
* Leadville remote_port walker/dcmd code
*/
/*
* We need to be given the address of a port structure in order to start
* walking. From that, we can read the pwwn table.
*/
static int
pd_by_pwwn_walk_i(mdb_walk_state_t *wsp)
{
fc_local_port_t port;
if (wsp->walk_addr == NULL) {
mdb_warn("pd_by_pwwn walk doesn't support global walks\n");
return (WALK_ERR);
}
/*
* Allocate space for the pwwn_hash table
*/
fp_pwwn_table = mdb_alloc(sizeof (struct pwwn_hash) *
PWWN_HASH_TABLE_SIZE, UM_SLEEP);
/*
* Input should be an fc_local_port_t, so read it to get the pwwn
* table's head
*/
if (mdb_vread(&port, sizeof (fc_local_port_t), wsp->walk_addr) !=
sizeof (fc_local_port_t)) {
mdb_warn("Unable to read in the port structure address\n");
return (WALK_ERR);
}
if (mdb_vread(fp_pwwn_table, sizeof (struct pwwn_hash) *
PWWN_HASH_TABLE_SIZE, (uintptr_t)port.fp_pwwn_table) == -1) {
mdb_warn("Unable to read in the pwwn hash table\n");
return (WALK_ERR);
}
pd_hash_index = 0;
while ((fp_pwwn_table[pd_hash_index].pwwn_head == NULL) &&
(pd_hash_index < PWWN_HASH_TABLE_SIZE)) {
pd_hash_index++;
}
wsp->walk_addr = (uintptr_t)fp_pwwn_table[pd_hash_index].pwwn_head;
wsp->walk_data = mdb_alloc(sizeof (fc_remote_port_t), UM_SLEEP);
return (WALK_NEXT);
}
/*
* At each step, read a fc_remote_port_t into our private storage, and then
* invoke the callback function. We terminate when we reach a NULL p_next
* pointer.
*/
static int
pd_by_pwwn_walk_s(mdb_walk_state_t *wsp)
{
int status;
if ((wsp->walk_addr == NULL) &&
(pd_hash_index >= (PWWN_HASH_TABLE_SIZE - 1))) {
return (WALK_DONE);
}
if (mdb_vread(wsp->walk_data, sizeof (fc_remote_port_t), wsp->walk_addr)
== -1) {
mdb_warn("failed to read fc_remote_port at %p", wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr =
(uintptr_t)(((fc_remote_port_t *)wsp->walk_data)->pd_wwn_hnext);
if (wsp->walk_addr == NULL) {
/*
* Try the next hash list, if there is one.
*/
pd_hash_index++;
while ((fp_pwwn_table[pd_hash_index].pwwn_head == NULL) &&
(pd_hash_index < PWWN_HASH_TABLE_SIZE)) {
pd_hash_index++;
}
if (pd_hash_index == PWWN_HASH_TABLE_SIZE) {
/* We're done */
return (status);
}
wsp->walk_addr =
(uintptr_t)fp_pwwn_table[pd_hash_index].pwwn_head;
}
return (status);
}
/*
* The walker's fini function is invoked at the end of each walk.
*/
static void
pd_by_pwwn_walk_f(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (fc_remote_port_t));
mdb_free(fp_pwwn_table, sizeof (struct pwwn_hash) *
PWWN_HASH_TABLE_SIZE);
fp_pwwn_table = NULL;
}
/*
* This is the same walker as pd_by_pwwn, but we walk the D_ID hash table
*/
static int
pd_by_did_walk_i(mdb_walk_state_t *wsp)
{
fc_local_port_t port;
if (wsp->walk_addr == NULL) {
mdb_warn("pd_by_did walk doesn't support global walks\n");
return (WALK_ERR);
}
/*
* Allocate space for the did_hash table
*/
fp_did_table = mdb_alloc(sizeof (struct d_id_hash) *
D_ID_HASH_TABLE_SIZE, UM_SLEEP);
/*
* Input should be an fc_local_port_t, so read it to get the d_id
* table's head
*/
if (mdb_vread(&port, sizeof (fc_local_port_t), wsp->walk_addr) !=
sizeof (fc_local_port_t)) {
mdb_warn("Unable to read in the port structure address\n");
return (WALK_ERR);
}
if (mdb_vread(fp_did_table, sizeof (struct d_id_hash) *
D_ID_HASH_TABLE_SIZE, (uintptr_t)port.fp_did_table) == -1) {
mdb_warn("Unable to read in the D_ID hash table\n");
return (WALK_ERR);
}
pd_hash_index = 0;
while ((fp_did_table[pd_hash_index].d_id_head == NULL) &&
(pd_hash_index < D_ID_HASH_TABLE_SIZE)) {
pd_hash_index++;
}
wsp->walk_addr = (uintptr_t)fp_did_table[pd_hash_index].d_id_head;
wsp->walk_data = mdb_alloc(sizeof (fc_remote_port_t), UM_SLEEP);
return (WALK_NEXT);
}
/*
* At each step, read a fc_remote_port_t into our private storage, and then
* invoke the callback function. We terminate when we reach a NULL p_next
* pointer.
*/
static int
pd_by_did_walk_s(mdb_walk_state_t *wsp)
{
int status;
if ((wsp->walk_addr == NULL) &&
(pd_hash_index >= (D_ID_HASH_TABLE_SIZE - 1))) {
return (WALK_DONE);
}
if (mdb_vread(wsp->walk_data, sizeof (fc_remote_port_t), wsp->walk_addr)
== -1) {
mdb_warn("failed to read fc_remote_port at %p", wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr =
(uintptr_t)(((fc_remote_port_t *)wsp->walk_data)->pd_did_hnext);
if (wsp->walk_addr == NULL) {
/*
* Try the next hash list, if there is one.
*/
pd_hash_index++;
while ((fp_did_table[pd_hash_index].d_id_head == NULL) &&
(pd_hash_index < D_ID_HASH_TABLE_SIZE)) {
pd_hash_index++;
}
if (pd_hash_index == D_ID_HASH_TABLE_SIZE) {
/* We're done */
return (status);
}
wsp->walk_addr =
(uintptr_t)fp_did_table[pd_hash_index].d_id_head;
}
return (status);
}
/*
* The walker's fini function is invoked at the end of each walk.
*/
static void
pd_by_did_walk_f(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (fc_remote_port_t));
mdb_free(fp_did_table, sizeof (struct d_id_hash) *
D_ID_HASH_TABLE_SIZE);
fp_did_table = NULL;
}
/*
* Display a remote_port structure
*/
static int
remote_port(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
fc_remote_port_t pd;
int idx;
int first = 1;
if (argc > 0) {
return (DCMD_USAGE);
}
if (!(flags & DCMD_ADDRSPEC)) {
mdb_printf("Sorry, you must provide an address\n");
return (DCMD_ERR);
}
if (mdb_vread(&pd, sizeof (fc_remote_port_t), addr) !=
sizeof (fc_remote_port_t)) {
mdb_warn("Error reading pd at 0x%x\n", addr);
return (DCMD_ERR);
}
mdb_printf("Reading remote_port at 0x%p\n", addr);
mdb_printf(" mutex : 0x%p\n", pd.pd_mutex);
mdb_printf(" port_id : 0x%-8x\n", pd.pd_port_id);
mdb_printf(" port_name : 0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
pd.pd_port_name.raw_wwn[0], pd.pd_port_name.raw_wwn[1],
pd.pd_port_name.raw_wwn[2], pd.pd_port_name.raw_wwn[3],
pd.pd_port_name.raw_wwn[4], pd.pd_port_name.raw_wwn[5],
pd.pd_port_name.raw_wwn[6], pd.pd_port_name.raw_wwn[7]);
mdb_printf(" login_count : %d\n", pd.pd_login_count);
mdb_printf(" state : 0x%x ", pd.pd_state);
switch (pd.pd_state) {
case PORT_DEVICE_INVALID:
mdb_printf("(invalid)\n");
break;
case PORT_DEVICE_VALID:
mdb_printf("(valid)\n");
break;
case PORT_DEVICE_LOGGED_IN:
mdb_printf("(logged in)\n");
break;
default:
mdb_printf("(Unknown state)\n");
}
mdb_printf(" remote node : 0x%p\n", pd.pd_remote_nodep);
mdb_printf(" hard_addr : 0x%x\n", pd.pd_hard_addr);
mdb_printf(" local port : 0x%p\n", pd.pd_port);
mdb_printf(" type : %d ", pd.pd_type);
switch (pd.pd_type) {
case PORT_DEVICE_NOCHANGE:
mdb_printf("(No change)\n");
break;
case PORT_DEVICE_NEW:
mdb_printf("(New)\n");
break;
case PORT_DEVICE_OLD:
mdb_printf("(Old)\n");
break;
case PORT_DEVICE_CHANGED:
mdb_printf("(Changed)\n");
break;
case PORT_DEVICE_DELETE:
mdb_printf("(Delete)\n");
break;
case PORT_DEVICE_USER_LOGIN:
mdb_printf("(User login)\n");
break;
case PORT_DEVICE_USER_LOGOUT:
mdb_printf("(User logout)\n");
break;
case PORT_DEVICE_USER_CREATE:
mdb_printf("(User create)\n");
break;
case PORT_DEVICE_USER_DELETE:
mdb_printf("(User delete)\n");
break;
default:
mdb_printf("(Unknown type)\n");
}
mdb_printf(" flags : 0x%x ", pd.pd_flags);
switch (pd.pd_flags) {
case PD_IDLE:
mdb_printf("(Idle)\n");
break;
case PD_ELS_IN_PROGRESS:
mdb_printf("(ELS in progress)\n");
break;
case PD_ELS_MARK:
mdb_printf("(Mark)\n");
break;
default:
mdb_printf("(Unknown flag value)\n");
}
mdb_printf(" login_class : 0x%x\n", pd.pd_login_class);
mdb_printf(" recipient : %d\n", pd.pd_recepient);
mdb_printf(" ref_count : %d\n", pd.pd_ref_count);
mdb_printf(" aux_flags : 0x%x ", pd.pd_aux_flags);
first = 1;
if (pd.pd_aux_flags & PD_IN_DID_QUEUE) {
mdb_printf("(IN_DID_QUEUE");
first = 0;
}
if (pd.pd_aux_flags & PD_DISABLE_RELOGIN) {
if (first) {
mdb_printf("(DISABLE_RELOGIN");
} else {
mdb_printf(", DISABLE_RELOGIN");
}
first = 0;
}
if (pd.pd_aux_flags & PD_NEEDS_REMOVAL) {
if (first) {
mdb_printf("(NEEDS_REMOVAL");
} else {
mdb_printf(", NEEDS_REMOVAL");
}
first = 0;
}
if (pd.pd_aux_flags & PD_LOGGED_OUT) {
if (first) {
mdb_printf("(LOGGED_OUT");
} else {
mdb_printf(", LOGGED_OUT");
}
first = 0;
}
if (pd.pd_aux_flags & PD_GIVEN_TO_ULPS) {
if (first) {
mdb_printf("(GIVEN_TO_ULPS");
} else {
mdb_printf(", GIVEN_TO_ULPS");
}
first = 0;
}
if (first == 0) {
mdb_printf(")\n");
} else {
mdb_printf("\n");
}
mdb_printf(" sig : %p\n", pd.pd_logo_tc.sig);
mdb_printf(" active : %d\n", pd.pd_logo_tc.active);
mdb_printf(" counter : %d\n", pd.pd_logo_tc.counter);
mdb_printf(" max_value : %d\n", pd.pd_logo_tc.max_value);
mdb_printf(" timer : %d\n", pd.pd_logo_tc.timer);
mdb_printf("\n");
return (DCMD_OK);
}
int
fc_dump_logmsg(fc_trace_dmsg_t *addr, uint_t pktstart, uint_t pktend,
uint_t *printed)
{
fc_trace_dmsg_t msg;
caddr_t buf;
char merge[1024];
caddr_t tmppkt;
char *tmpbuf; /* for tokenising the buffer */
uint_t pktnum = 0;
while (addr != NULL) {
if (mdb_vread(&msg, sizeof (msg), (uintptr_t)addr) !=
sizeof (msg)) {
mdb_warn("failed to read message pointer in kernel");
return (DCMD_ERR);
}
if (msg.id_size) {
buf = mdb_alloc(msg.id_size + 1, UM_SLEEP);
tmppkt = mdb_alloc(msg.id_size + 1, UM_SLEEP);
if (mdb_vread(buf, msg.id_size,
(uintptr_t)msg.id_buf) != msg.id_size) {
mdb_warn("failed to read buffer contents"
" in kernel");
mdb_free(buf, msg.id_size + 1);
return (DCMD_ERR);
}
if (buf[0] == '\n') {
mdb_printf("There is a problem in"
"the buffer\n");
}
/* funky packet processing stuff */
bcopy(buf, tmppkt, msg.id_size + 1);
/* find the equals sign, and put a null there */
tmpbuf = strchr(tmppkt, '=');
*tmpbuf = 0;
pktnum = (uint_t)mdb_strtoull(tmppkt);
if ((pktnum >= pktstart) && (pktnum <= pktend)) {
(void) mdb_snprintf(merge, sizeof (merge),
"[%09d:%03d:%03d:%03d] %s",
(int)msg.id_time.tv_sec,
(int)msg.id_time.tv_nsec/1000000,
(int)(msg.id_time.tv_nsec/1000)%1000,
(int)msg.id_time.tv_nsec%1000,
buf);
mdb_printf("%s", merge);
if (printed != NULL)
(*printed) ++;
}
mdb_free(buf, msg.id_size + 1);
mdb_free(tmppkt, msg.id_size + 1);
}
addr = msg.id_next;
}
return (DCMD_OK);
}
int
fc_dump_old_logmsg(fc_trace_dmsgv1_t *addr, uint_t pktstart, uint_t pktend,
uint_t *printed)
{
fc_trace_dmsgv1_t msg;
caddr_t buf;
char merge[1024];
caddr_t tmppkt;
char *tmpbuf; /* for tokenising the buffer */
uint_t pktnum = 0;
while (addr != NULL) {
if (mdb_vread(&msg, sizeof (msg), (uintptr_t)addr) !=
sizeof (msg)) {
mdb_warn("failed to read message pointer in kernel");
return (DCMD_ERR);
}
if (msg.id_size) {
buf = mdb_alloc(msg.id_size + 1, UM_SLEEP);
tmppkt = mdb_alloc(msg.id_size + 1, UM_SLEEP);
if (mdb_vread(buf, msg.id_size,
(uintptr_t)msg.id_buf) != msg.id_size) {
mdb_warn("failed to read buffer contents"
" in kernel");
mdb_free(buf, msg.id_size + 1);
return (DCMD_ERR);
}
if (buf[0] == '\n') {
mdb_printf("There is a problem in"
"the buffer\n");
}
/* funky packet processing stuff */
bcopy(buf, tmppkt, msg.id_size + 1);
tmpbuf = strchr(tmppkt, '=');
*tmpbuf = 0;
pktnum = (uint_t)mdb_strtoull(tmppkt);
if ((pktnum >= pktstart) && (pktnum <= pktend)) {
(void) mdb_snprintf(merge, sizeof (merge),
"[%d] %s",
msg.id_time,
buf);
mdb_printf("%s", merge);
if (printed != NULL)
(*printed) ++;
}
mdb_free(buf, msg.id_size + 1);
mdb_free(tmppkt, msg.id_size + 1);
}
addr = msg.id_next;
}
return (DCMD_OK);
}
int
fc_trace_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
fc_trace_logq_t logq;
uint_t pktnum = 0;
uint_t printed = 0; /* have we printed anything? */
uintptr_t pktstart = 0;
uintptr_t pktend = UINT_MAX;
int rval = DCMD_OK;
if (mdb_vread(&logq, sizeof (logq), addr) != sizeof (logq)) {
mdb_warn("Failed to read log queue in kernel");
return (DCMD_ERR);
}
if (mdb_getopts(argc, argv,
's', MDB_OPT_UINTPTR, &pktstart,
'e', MDB_OPT_UINTPTR, &pktend) != argc) {
return (DCMD_USAGE);
}
if (pktstart > pktend) {
return (DCMD_USAGE);
}
if (logq.il_flags & FC_TRACE_LOGQ_V2 != 0) {
rval = fc_dump_logmsg((fc_trace_dmsg_t *)logq.il_msgh, pktstart,
pktend, &printed);
} else {
rval = fc_dump_old_logmsg((fc_trace_dmsgv1_t *)logq.il_msgh,
pktstart, pktend, &printed);
}
if (rval != DCMD_OK) {
return (rval);
}
if (printed == 0) {
mdb_printf("No packets in the buffer match the"
" criteria given");
}
return (rval);
}
int
fp_trace_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
if (mdb_readvar(&addr, "fp_logq") == -1) {
mdb_warn("failed to read fp_logq");
return (DCMD_ERR);
}
if (DCMD_HDRSPEC(flags)) {
mdb_printf("fp trace buffer contents\n");
}
return (fc_trace_dump(addr, flags, argc, argv));
}
int
fcp_trace_dump(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
if (mdb_readvar(&addr, "fcp_logq") == -1) {
mdb_warn("failed to read fcp_logq");
return (DCMD_ERR);
}
if (DCMD_HDRSPEC(flags)) {
mdb_printf("fcp trace buffer contents\n");
}
return (fc_trace_dump(addr, flags, argc, argv));
}
/*
* Leadville job_request walker/dcmd code
*/
/*
* We need to be given the address of a local port structure in order to start
* walking. From that, we can read the job_request list.
*/
static int
job_request_walk_i(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL) {
mdb_warn("The address of a fc_local_port"
" structure must be given\n");
return (WALK_ERR);
}
/*
* Input should be a fc_local_port_t, so read it to get the job_request
* lists's head
*/
if (mdb_vread(&port, sizeof (fc_local_port_t), wsp->walk_addr) !=
sizeof (fc_local_port_t)) {
mdb_warn("Failed to read in the fc_local_port"
" at 0x%p\n", wsp->walk_addr);
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)(port.fp_job_head);
wsp->walk_data = mdb_alloc(sizeof (struct job_request), UM_SLEEP);
return (WALK_NEXT);
}
static int
job_request_walk_s(mdb_walk_state_t *wsp)
{
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(wsp->walk_data, sizeof (struct job_request),
wsp->walk_addr) == -1) {
mdb_warn("Failed to read in the job_request at 0x%p\n",
wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr =
(uintptr_t)(((struct job_request *)wsp->walk_data)->job_next);
return (status);
}
/*
* The walker's fini function is invoked at the end of each walk.
*/
static void
job_request_walk_f(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (struct job_request));
}
/*
* Leadville fc_orphan walker/dcmd code
*/
/*
* We need to be given the address of a port structure in order to start
* walking. From that, we can read the orphan list.
*/
static int
orphan_walk_i(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL) {
mdb_warn("The address of a fc_local_port"
" structure must be given\n");
return (WALK_ERR);
}
/*
* Input should be a fc_local_port_t, so read it to get the orphan
* lists's head
*/
if (mdb_vread(&port, sizeof (fc_local_port_t), wsp->walk_addr) !=
sizeof (fc_local_port_t)) {
mdb_warn("Failed to read in the fc_local_port"
" at 0x%p\n", wsp->walk_addr);
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)(port.fp_orphan_list);
wsp->walk_data = mdb_alloc(sizeof (struct fc_orphan), UM_SLEEP);
return (WALK_NEXT);
}
static int
orphan_walk_s(mdb_walk_state_t *wsp)
{
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(wsp->walk_data, sizeof (struct fc_orphan),
wsp->walk_addr) == -1) {
mdb_warn("Failed to read in the fc_orphan at 0x%p\n",
wsp->walk_addr);
return (WALK_DONE);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
wsp->walk_addr =
(uintptr_t)(((struct fc_orphan *)wsp->walk_data)->orp_next);
return (status);
}
/*
* The walker's fini function is invoked at the end of each walk.
*/
static void
orphan_walk_f(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (struct fc_orphan));
}
/*
* MDB module linkage information:
*
* We declare a list of structures describing our dcmds, a list of structures
* describing our walkers, and a function named _mdb_init to return a pointer
* to our module information.
*/
static const mdb_dcmd_t dcmds[] = {
{ "ports", "[-l]", "Leadville port list", ports },
{ "ulps", NULL, "Leadville ULP list", ulps },
{ "ulpmods", NULL, "Leadville ULP module list", ulpmods },
{ "fcport", NULL, "Display a Leadville fc_local_port structure",
fcport },
{ "remote_port", NULL, "Display fc_remote_port structures",
remote_port },
{ "fcptrace", "[-s m][-e n] (m < n)", "Dump the fcp trace buffer, "
"optionally supplying starting and ending packet numbers.",
fcp_trace_dump, NULL },
{ "fptrace", "[-s m][-e n] (m < n)", "Dump the fp trace buffer, "
"optionally supplying starting and ending packet numbers.",
fp_trace_dump, NULL },
{ NULL }
};
static const mdb_walker_t walkers[] = {
{ "ports", "walk list of Leadville port structures",
port_walk_i, port_walk_s, port_walk_f },
{ "ulps", "walk list of Leadville ULP structures",
ulp_walk_i, ulp_walk_s, ulp_walk_f },
{ "ulpmods", "walk list of Leadville ULP module structures",
ulpmod_walk_i, ulpmod_walk_s, ulpmod_walk_f },
{ "pd_by_pwwn", "walk list of fc_remote_port structures hashed by PWWN",
pd_by_pwwn_walk_i, pd_by_pwwn_walk_s, pd_by_pwwn_walk_f },
{ "pd_by_did", "walk list of fc_remote_port structures hashed by D_ID",
pd_by_did_walk_i, pd_by_did_walk_s, pd_by_did_walk_f },
{ "job_request", "walk list of job_request structures for a local port",
job_request_walk_i, job_request_walk_s, job_request_walk_f },
{ "orphan", "walk list of orphan structures for a local port",
orphan_walk_i, orphan_walk_s, orphan_walk_f },
{ NULL }
};
static const mdb_modinfo_t modinfo = {
MDB_API_VERSION, dcmds, walkers
};
const mdb_modinfo_t *
_mdb_init(void)
{
return (&modinfo);
}