/*
* DRVMGR Command Implementation
*
* COPYRIGHT (c) 2010.
* Cobham Gaisler AB.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.com/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <inttypes.h>
#include <limits.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <drvmgr/drvmgr.h>
#include <rtems.h>
#include <rtems/shell.h>
#include "internal.h"
static void usage(void);
static void *get_obj_adr(char *arg)
{
unsigned long obj_adr;
obj_adr = strtoul(arg, NULL, 16);
if (obj_adr == ULONG_MAX || obj_adr == 0) {
puts(" Not a valid ID");
return NULL;
}
return (void *)obj_adr;
}
/* General info, root bus, number of devices etc. */
static void show_drvmgr_info(void)
{
drvmgr_summary();
drvmgr_print_devs(PRINT_DEVS_ALL);
}
static int shell_drvmgr_topo(int argc, char *argv[])
{
drvmgr_print_topo();
return 0;
}
static int shell_drvmgr_short(int argc, char *argv[])
{
void *obj;
if (argc < 2)
return -1;
if (argc < 3) {
/* All Devices */
drvmgr_info_drvs(0);
drvmgr_info_buses(0);
drvmgr_info_devs(OPTION_DEV_GENINFO);
return 0;
}
/* Get ID from string */
obj = get_obj_adr(argv[2]);
if (!obj)
return -3;
drvmgr_info(obj, OPTION_DEV_GENINFO);
return 0;
}
static int shell_drvmgr_info(int argc, char *argv[])
{
void *obj;
if (argc < 2)
return -1;
if (argc < 3) {
/* All Drivers, Buses and Devices */
drvmgr_info_drvs(OPTION_INFO_ALL);
drvmgr_info_buses(OPTION_INFO_ALL);
drvmgr_info_devs(OPTION_INFO_ALL);
return 0;
}
/* Get ID from string */
obj = get_obj_adr(argv[2]);
if (!obj)
return -3;
drvmgr_info(obj, OPTION_INFO_ALL);
return 0;
}
static int shell_drvmgr_remove(int argc, char *argv[])
{
puts(" Not implemented");
return 0;
}
static int shell_drvmgr_parent(int argc, char *argv[])
{
void *obj;
int obj_type;
struct drvmgr_dev *dev;
struct drvmgr_bus *bus;
/* Get ID from string */
if (argc < 3)
return -2;
obj = get_obj_adr(argv[2]);
if (!obj)
return -3;
obj_type = *(int *)obj;
if (obj_type == DRVMGR_OBJ_BUS) {
bus = obj;
if (!bus->dev) {
puts(" bus has no bridge device");
} else if(!bus->dev->parent) {
puts(" bridge device has no parent");
} else {
dev = bus->dev;
printf(" BUSID=%p\n", dev->parent);
}
} else if (obj_type == DRVMGR_OBJ_DEV) {
dev = obj;
if (!dev->parent) {
puts(" device has no parent bus");
} else {
printf(" BUSID=%p\n", dev->parent);
}
} else {
puts(" ID is not a device or bus");
return 1;
}
return 0;
}
static void shell_drvmgr_print_key_array(struct drvmgr_key *keys)
{
struct drvmgr_key *key;
static char *type_strs[4] = {"UNKNOWN","INTEGER","STRING ","POINTER"};
enum drvmgr_kt type;
union drvmgr_key_value *val;
if (keys == NULL) {
printf(" DEV HAS NO KEYS\n");
return;
}
key = &keys[0];
while (key->key_type != DRVMGR_KT_NONE) {
if (key->key_type > DRVMGR_KT_POINTER)
type = DRVMGR_KT_NONE;
else
type = key->key_type;
printf(" NAME=%-14s TYPE=%s VALUE=", key->key_name, type_strs[type]);
val = &key->key_value;
switch (type) {
default:
case DRVMGR_KT_NONE:
case DRVMGR_KT_INT:
printf("0x%x (%d)\n", val->i, val->i);
break;
case DRVMGR_KT_STRING:
printf("%s\n", val->str);
break;
case DRVMGR_KT_POINTER:
printf("%p\n", val->ptr);
break;
}
key++;
}
}
static void shell_drvmgr_print_res_array(struct drvmgr_drv_res *resources)
{
struct drvmgr_drv_res *res = &resources[0];
struct drvmgr_drv *drv;
char *drv_name;
while (res->drv_id) {
/* Find Driver in order to print name of driver */
drv = drvmgr_drv_by_id(res->drv_id);
if (drv && drv->name)
drv_name = drv->name;
else
drv_name = "UNKNOWN";
printf(" RESOURCES FOR DEVICE[%02d] DRIVER[0x%" PRIu64 " (%s)]\n",
res->minor_bus, res->drv_id, drv_name);
shell_drvmgr_print_key_array(res->keys);
res++;
}
}
static int shell_drvmgr_res(int argc, char *argv[])
{
void *obj;
int obj_type;
struct drvmgr_dev *dev;
struct drvmgr_bus *bus;
struct drvmgr_key *keys;
struct drvmgr_bus_res *lst;
int i;
/* Get ID from string */
if (argc < 3)
return -2;
obj = get_obj_adr(argv[2]);
if (!obj)
return -3;
obj_type = *(int *)obj;
if (obj_type == DRVMGR_OBJ_BUS) {
bus = obj;
lst = bus->reslist;
if (lst == NULL) {
puts(" BUS does not have resources\n");
return 0;
}
i = 0;
while (lst) {
printf(" -- RESOURCES ARRAY %d --\n", i);
shell_drvmgr_print_res_array(lst->resource);
puts("");
i++;
lst = lst->next;
}
} else if (obj_type == DRVMGR_OBJ_DEV) {
dev = obj;
if (dev->drv == NULL) {
puts(" DEVICE has no driver ==> resources not available\n");
return 0;
}
drvmgr_keys_get(dev, &keys);
if (keys == NULL) {
puts(" DEVICE does not have resources\n");
return 0;
}
shell_drvmgr_print_key_array(keys);
} else {
puts(" ID is not a device or bus");
return 1;
}
return 0;
}
static int shell_drvmgr_buses(int argc, char *argv[])
{
drvmgr_info_buses(OPTION_INFO_ALL);
return 0;
}
static int shell_drvmgr_devs(int argc, char *argv[])
{
drvmgr_info_devs(OPTION_INFO_ALL);
return 0;
}
static int shell_drvmgr_drvs(int argc, char *argv[])
{
drvmgr_info_drvs(OPTION_INFO_ALL);
return 0;
}
static int shell_drvmgr_mem(int argc, char *argv[])
{
drvmgr_print_mem();
return 0;
}
static int shell_drvmgr_translate(int argc, char *argv[])
{
int rc, rev, up, obj_type;
void *obj, *dst;
unsigned long src, tmp;
if (argc != 5)
return -1;
obj = get_obj_adr(argv[2]);
if (!obj)
return -3;
obj_type = *(int *)obj;
if (obj_type != DRVMGR_OBJ_DEV) {
puts(" ID is not a device\n");
return 0;
}
tmp = strtoul(argv[3], NULL, 0);
if (tmp > 3) {
puts(" Not a valid option OPT, only [0..3] is valid");
return 0;
}
rev = tmp & DRVMGR_TR_REVERSE;
up = tmp & DRVMGR_TR_PATH;
src = strtoul(argv[4], NULL, 0);
if (src == ULONG_MAX && errno == ERANGE) {
puts(" Not a valid source address");
return 0;
}
rc = drvmgr_translate((struct drvmgr_dev *)obj, up | rev, (void *)src, &dst);
if (rc == 0)
printf(" Address %p could not be translated\n", (void *)src);
else if (rc == 0xffffffff)
printf(" %p => %p (no translation required)\n", (void *)src, dst);
else
printf(" %p => %p (map size 0x%x)\n", (void *)src, dst, rc);
return 0;
}
static const char drvmgr_usage_str[] =
" usage:\n"
" drvmgr buses List bus specfic information on all buses\n"
" drvmgr devs List general and driver specfic information\n"
" about all devices\n"
" drvmgr drvs List driver specfic information on all drivers\n"
" drvmgr info [ID] List general and driver specfic information\n"
" about all devices or one device, bus or driver\n"
" drvmgr mem Dynamically memory usage\n"
" drvmgr parent ID Short info about parent bus of a device\n"
" drvmgr remove ID Remove a device or a bus\n"
" drvmgr res ID List Resources of a device or bus\n"
" drvmgr short [ID] Short info about all devices/buses or one\n"
" device/bus\n"
" drvmgr topo Show bus topology with all devices\n"
" drvmgr tr ID OPT ADR Translate ADR down(0)/up(1) -streams (OPT bit 1) in\n"
" std(0)/reverse(1) (OPT bit 0) direction for device\n"
" drvmgr --help\n";
static void usage(void)
{
puts(drvmgr_usage_str);
}
static int shell_drvmgr_usage(int argc, char *argv[])
{
usage();
return 0;
}
struct shell_drvmgr_modifier {
char *name;
int (*func)(int argc, char *argv[]);
};
#define MODIFIER_NUM 12
static struct shell_drvmgr_modifier shell_drvmgr_modifiers[MODIFIER_NUM] =
{
{"buses", shell_drvmgr_buses},
{"devs", shell_drvmgr_devs},
{"drvs", shell_drvmgr_drvs},
{"info", shell_drvmgr_info},
{"mem", shell_drvmgr_mem},
{"parent", shell_drvmgr_parent},
{"remove", shell_drvmgr_remove},
{"res", shell_drvmgr_res},
{"short", shell_drvmgr_short},
{"topo", shell_drvmgr_topo},
{"tr", shell_drvmgr_translate},
{"--help", shell_drvmgr_usage},
};
static struct shell_drvmgr_modifier *shell_drvmgr_find_modifier(char *name)
{
struct shell_drvmgr_modifier *mod;
int i;
if (name == NULL)
return NULL;
for (i=0, mod=&shell_drvmgr_modifiers[0]; i<MODIFIER_NUM; i++, mod++) {
if (strcmp(name, mod->name) == 0)
return mod;
}
return NULL;
}
static int rtems_shell_main_drvmgr(
int argc,
char *argv[]
)
{
struct shell_drvmgr_modifier *mod;
int rc;
if (argc < 2) {
show_drvmgr_info();
rc = 0;
} else if ((mod=shell_drvmgr_find_modifier(argv[1])) != NULL) {
rc = mod->func(argc, argv);
} else {
rc = -1;
}
if (rc < 0) {
printf(" invalid argument\n");
usage();
}
return rc;
}
rtems_shell_cmd_t rtems_shell_DRVMGR_Command = {
"drvmgr", /* name */
drvmgr_usage_str, /* usage */
"system", /* topic */
rtems_shell_main_drvmgr, /* command */
NULL, /* alias */
NULL /* next */
};
