[219d4045] | 1 | /* |
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| 2 | * DRVMGR Command Implementation |
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| 3 | * |
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| 4 | * COPYRIGHT (c) 2010. |
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| 5 | * Cobham Gaisler AB. |
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| 6 | * |
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| 7 | * The license and distribution terms for this file may be |
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| 8 | * found in the file LICENSE in this distribution or at |
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| 9 | * http://www.rtems.com/license/LICENSE. |
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| 10 | */ |
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| 11 | |
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| 12 | #ifdef HAVE_CONFIG_H |
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| 13 | #include "config.h" |
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| 14 | #endif |
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| 15 | |
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[1f22b26] | 16 | #include <limits.h> |
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[219d4045] | 17 | #include <stdlib.h> |
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| 18 | #include <stdio.h> |
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| 19 | #include <string.h> |
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| 20 | #include <errno.h> |
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| 21 | #include <drvmgr/drvmgr.h> |
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| 22 | |
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| 23 | #include <rtems.h> |
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| 24 | #include <rtems/shell.h> |
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| 25 | #include "internal.h" |
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| 26 | |
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| 27 | static void usage(void); |
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| 28 | |
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| 29 | static void *get_obj_adr(char *arg) |
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| 30 | { |
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| 31 | unsigned long obj_adr; |
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| 32 | |
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| 33 | obj_adr = strtoul(arg, NULL, 16); |
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| 34 | if (obj_adr == ULONG_MAX || obj_adr == 0) { |
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| 35 | puts(" Not a valid ID"); |
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| 36 | return NULL; |
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| 37 | } |
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| 38 | |
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| 39 | return (void *)obj_adr; |
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| 40 | } |
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| 41 | |
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| 42 | /* General info, root bus, number of devices etc. */ |
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| 43 | static void show_drvmgr_info(void) |
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| 44 | { |
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| 45 | drvmgr_summary(); |
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| 46 | drvmgr_print_devs(PRINT_DEVS_ALL); |
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| 47 | } |
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| 48 | |
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| 49 | static int shell_drvmgr_topo(int argc, char *argv[]) |
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| 50 | { |
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| 51 | drvmgr_print_topo(); |
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| 52 | return 0; |
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| 53 | } |
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| 54 | |
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| 55 | static int shell_drvmgr_short(int argc, char *argv[]) |
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| 56 | { |
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| 57 | void *obj; |
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| 58 | |
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| 59 | if (argc < 2) |
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| 60 | return -1; |
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| 61 | if (argc < 3) { |
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| 62 | /* All Devices */ |
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| 63 | drvmgr_info_drvs(0); |
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| 64 | drvmgr_info_buses(0); |
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| 65 | drvmgr_info_devs(OPTION_DEV_GENINFO); |
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| 66 | return 0; |
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| 67 | } |
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| 68 | |
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| 69 | /* Get ID from string */ |
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| 70 | obj = get_obj_adr(argv[2]); |
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| 71 | if (!obj) |
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| 72 | return -3; |
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| 73 | |
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| 74 | drvmgr_info(obj, OPTION_DEV_GENINFO); |
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| 75 | |
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| 76 | return 0; |
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| 77 | } |
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| 78 | |
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| 79 | static int shell_drvmgr_info(int argc, char *argv[]) |
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| 80 | { |
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| 81 | void *obj; |
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| 82 | |
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| 83 | if (argc < 2) |
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| 84 | return -1; |
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| 85 | if (argc < 3) { |
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| 86 | /* All Drivers, Buses and Devices */ |
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| 87 | drvmgr_info_drvs(OPTION_INFO_ALL); |
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| 88 | drvmgr_info_buses(OPTION_INFO_ALL); |
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| 89 | drvmgr_info_devs(OPTION_INFO_ALL); |
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| 90 | return 0; |
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| 91 | } |
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| 92 | |
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| 93 | /* Get ID from string */ |
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| 94 | obj = get_obj_adr(argv[2]); |
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| 95 | if (!obj) |
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| 96 | return -3; |
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| 97 | |
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| 98 | drvmgr_info(obj, OPTION_INFO_ALL); |
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| 99 | |
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| 100 | return 0; |
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| 101 | } |
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| 102 | |
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| 103 | static int shell_drvmgr_remove(int argc, char *argv[]) |
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| 104 | { |
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| 105 | puts(" Not implemented"); |
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| 106 | return 0; |
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| 107 | } |
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| 108 | |
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| 109 | static int shell_drvmgr_parent(int argc, char *argv[]) |
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| 110 | { |
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| 111 | void *obj; |
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| 112 | int obj_type; |
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| 113 | struct drvmgr_dev *dev; |
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| 114 | struct drvmgr_bus *bus; |
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| 115 | |
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| 116 | /* Get ID from string */ |
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| 117 | if (argc < 3) |
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| 118 | return -2; |
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| 119 | obj = get_obj_adr(argv[2]); |
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| 120 | if (!obj) |
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| 121 | return -3; |
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| 122 | |
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| 123 | obj_type = *(int *)obj; |
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| 124 | if (obj_type == DRVMGR_OBJ_BUS) { |
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| 125 | bus = obj; |
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| 126 | if (!bus->dev) { |
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| 127 | puts(" bus has no bridge device"); |
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| 128 | } else if(!bus->dev->parent) { |
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| 129 | puts(" bridge device has no parent"); |
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| 130 | } else { |
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| 131 | dev = bus->dev; |
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| 132 | printf(" BUSID=%p\n", dev->parent); |
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| 133 | } |
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| 134 | } else if (obj_type == DRVMGR_OBJ_DEV) { |
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| 135 | dev = obj; |
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| 136 | if (!dev->parent) { |
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| 137 | puts(" device has no parent bus"); |
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| 138 | } else { |
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| 139 | printf(" BUSID=%p\n", dev->parent); |
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| 140 | } |
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| 141 | } else { |
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| 142 | puts(" ID is not a device or bus"); |
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| 143 | return 1; |
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| 144 | } |
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| 145 | |
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| 146 | return 0; |
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| 147 | } |
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| 148 | |
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| 149 | static void shell_drvmgr_print_key_array(struct drvmgr_key *keys) |
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| 150 | { |
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| 151 | struct drvmgr_key *key; |
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| 152 | static char *type_strs[4] = {"UNKNOWN","INTEGER","STRING ","POINTER"}; |
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[4d3e70f4] | 153 | enum drvmgr_kt type; |
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[219d4045] | 154 | union drvmgr_key_value *val; |
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| 155 | |
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| 156 | if (keys == NULL) { |
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| 157 | printf(" DEV HAS NO KEYS\n"); |
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| 158 | return; |
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| 159 | } |
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| 160 | |
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| 161 | key = &keys[0]; |
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[4d3e70f4] | 162 | while (key->key_type != DRVMGR_KT_NONE) { |
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| 163 | if (key->key_type > DRVMGR_KT_POINTER) |
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| 164 | type = DRVMGR_KT_NONE; |
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[219d4045] | 165 | else |
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| 166 | type = key->key_type; |
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| 167 | printf(" NAME=%-14s TYPE=%s VALUE=", key->key_name, type_strs[type]); |
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| 168 | val = &key->key_value; |
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| 169 | switch (type) { |
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| 170 | default: |
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[4d3e70f4] | 171 | case DRVMGR_KT_NONE: |
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| 172 | case DRVMGR_KT_INT: |
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[219d4045] | 173 | printf("0x%x (%d)\n", val->i, val->i); |
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| 174 | break; |
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[4d3e70f4] | 175 | case DRVMGR_KT_STRING: |
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[219d4045] | 176 | printf("%s\n", val->str); |
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| 177 | break; |
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[4d3e70f4] | 178 | case DRVMGR_KT_POINTER: |
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[219d4045] | 179 | printf("%p\n", val->ptr); |
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| 180 | break; |
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| 181 | } |
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| 182 | key++; |
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| 183 | } |
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| 184 | } |
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| 185 | |
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| 186 | static void shell_drvmgr_print_res_array(struct drvmgr_drv_res *resources) |
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| 187 | { |
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| 188 | struct drvmgr_drv_res *res = &resources[0]; |
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| 189 | struct drvmgr_drv *drv; |
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| 190 | char *drv_name; |
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| 191 | |
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| 192 | while (res->drv_id) { |
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| 193 | /* Find Driver in order to print name of driver */ |
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| 194 | drv = drvmgr_drv_by_id(res->drv_id); |
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| 195 | if (drv && drv->name) |
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| 196 | drv_name = drv->name; |
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| 197 | else |
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| 198 | drv_name = "UNKNOWN"; |
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| 199 | printf(" RESOURCES FOR DEVICE[%02d] DRIVER[0x%llx (%s)]\n", |
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| 200 | res->minor_bus, res->drv_id, drv_name); |
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| 201 | shell_drvmgr_print_key_array(res->keys); |
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| 202 | res++; |
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| 203 | } |
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| 204 | } |
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| 205 | |
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| 206 | static int shell_drvmgr_res(int argc, char *argv[]) |
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| 207 | { |
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| 208 | void *obj; |
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| 209 | int obj_type; |
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| 210 | struct drvmgr_dev *dev; |
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| 211 | struct drvmgr_bus *bus; |
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| 212 | struct drvmgr_key *keys; |
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| 213 | struct drvmgr_bus_res *lst; |
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| 214 | int i; |
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| 215 | |
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| 216 | /* Get ID from string */ |
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| 217 | if (argc < 3) |
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| 218 | return -2; |
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| 219 | obj = get_obj_adr(argv[2]); |
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| 220 | if (!obj) |
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| 221 | return -3; |
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| 222 | |
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| 223 | obj_type = *(int *)obj; |
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| 224 | if (obj_type == DRVMGR_OBJ_BUS) { |
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| 225 | bus = obj; |
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| 226 | lst = bus->reslist; |
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| 227 | if (lst == NULL) { |
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| 228 | puts(" BUS does not have resources\n"); |
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| 229 | return 0; |
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| 230 | } |
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| 231 | i = 0; |
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| 232 | while (lst) { |
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| 233 | printf(" -- RESOURCES ARRAY %d --\n", i); |
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| 234 | shell_drvmgr_print_res_array(lst->resource); |
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| 235 | puts(""); |
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| 236 | i++; |
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| 237 | lst = lst->next; |
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| 238 | } |
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| 239 | } else if (obj_type == DRVMGR_OBJ_DEV) { |
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| 240 | dev = obj; |
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| 241 | if (dev->drv == NULL) { |
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| 242 | puts(" DEVICE has no driver ==> resources not available\n"); |
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| 243 | return 0; |
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| 244 | } |
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| 245 | drvmgr_keys_get(dev, &keys); |
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| 246 | if (keys == NULL) { |
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| 247 | puts(" DEVICE does not have resources\n"); |
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| 248 | return 0; |
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| 249 | } |
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| 250 | shell_drvmgr_print_key_array(keys); |
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| 251 | } else { |
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| 252 | puts(" ID is not a device or bus"); |
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| 253 | return 1; |
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| 254 | } |
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| 255 | |
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| 256 | return 0; |
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| 257 | } |
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| 258 | |
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| 259 | static int shell_drvmgr_buses(int argc, char *argv[]) |
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| 260 | { |
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| 261 | drvmgr_info_buses(OPTION_INFO_ALL); |
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| 262 | return 0; |
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| 263 | } |
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| 264 | |
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| 265 | static int shell_drvmgr_devs(int argc, char *argv[]) |
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| 266 | { |
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| 267 | drvmgr_info_devs(OPTION_INFO_ALL); |
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| 268 | return 0; |
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| 269 | } |
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| 270 | |
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| 271 | static int shell_drvmgr_drvs(int argc, char *argv[]) |
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| 272 | { |
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| 273 | drvmgr_info_drvs(OPTION_INFO_ALL); |
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| 274 | return 0; |
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| 275 | } |
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| 276 | |
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| 277 | static int shell_drvmgr_mem(int argc, char *argv[]) |
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| 278 | { |
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| 279 | drvmgr_print_mem(); |
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| 280 | return 0; |
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| 281 | } |
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| 282 | |
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| 283 | static int shell_drvmgr_translate(int argc, char *argv[]) |
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| 284 | { |
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| 285 | int rc, rev, up, obj_type; |
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| 286 | void *obj, *dst; |
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| 287 | unsigned long src, tmp; |
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| 288 | |
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| 289 | if (argc != 5) |
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| 290 | return -1; |
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| 291 | |
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| 292 | obj = get_obj_adr(argv[2]); |
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| 293 | if (!obj) |
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| 294 | return -3; |
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| 295 | |
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| 296 | obj_type = *(int *)obj; |
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| 297 | if (obj_type != DRVMGR_OBJ_DEV) { |
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| 298 | puts(" ID is not a device\n"); |
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| 299 | return 0; |
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| 300 | } |
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| 301 | |
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| 302 | tmp = strtoul(argv[3], NULL, 0); |
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| 303 | if (tmp > 3) { |
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| 304 | puts(" Not a valid option OPT, only [0..3] is valid"); |
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| 305 | return 0; |
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| 306 | } |
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| 307 | rev = tmp & DRVMGR_TR_REVERSE; |
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| 308 | up = tmp & DRVMGR_TR_PATH; |
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| 309 | |
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| 310 | src = strtoul(argv[4], NULL, 0); |
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| 311 | if (src == ULONG_MAX && errno == ERANGE) { |
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| 312 | puts(" Not a valid source address"); |
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| 313 | return 0; |
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| 314 | } |
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| 315 | |
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| 316 | rc = drvmgr_translate((struct drvmgr_dev *)obj, up | rev, (void *)src, &dst); |
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| 317 | if (rc == 0) |
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| 318 | printf(" Address %p could not be translated\n", (void *)src); |
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| 319 | else if (rc == 0xffffffff) |
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| 320 | printf(" %p => %p (no translation required)\n", (void *)src, dst); |
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| 321 | else |
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| 322 | printf(" %p => %p (map size 0x%x)\n", (void *)src, dst, rc); |
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| 323 | |
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| 324 | return 0; |
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| 325 | } |
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| 326 | |
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| 327 | static const char drvmgr_usage_str[] = |
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| 328 | " usage:\n" |
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| 329 | " drvmgr buses List bus specfic information on all buses\n" |
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| 330 | " drvmgr devs List general and driver specfic information\n" |
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| 331 | " about all devices\n" |
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| 332 | " drvmgr drvs List driver specfic information on all drivers\n" |
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| 333 | " drvmgr info [ID] List general and driver specfic information\n" |
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| 334 | " about all devices or one device, bus or driver\n" |
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| 335 | " drvmgr mem Dynamically memory usage\n" |
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| 336 | " drvmgr parent ID Short info about parent bus of a device\n" |
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| 337 | " drvmgr remove ID Remove a device or a bus\n" |
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| 338 | " drvmgr res ID List Resources of a device or bus\n" |
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| 339 | " drvmgr short [ID] Short info about all devices/buses or one\n" |
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| 340 | " device/bus\n" |
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| 341 | " drvmgr topo Show bus topology with all devices\n" |
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| 342 | " drvmgr tr ID OPT ADR Translate ADR down(0)/up(1) -streams (OPT bit 1) in\n" |
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| 343 | " std(0)/reverse(1) (OPT bit 0) direction for device\n" |
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| 344 | " drvmgr --help\n"; |
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| 345 | |
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| 346 | static void usage(void) |
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| 347 | { |
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| 348 | puts(drvmgr_usage_str); |
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| 349 | } |
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| 350 | |
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| 351 | static int shell_drvmgr_usage(int argc, char *argv[]) |
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| 352 | { |
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| 353 | usage(); |
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| 354 | return 0; |
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| 355 | } |
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| 356 | |
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| 357 | struct shell_drvmgr_modifier { |
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| 358 | char *name; |
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| 359 | int (*func)(int argc, char *argv[]); |
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| 360 | }; |
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| 361 | |
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| 362 | #define MODIFIER_NUM 12 |
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| 363 | static struct shell_drvmgr_modifier shell_drvmgr_modifiers[MODIFIER_NUM] = |
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| 364 | { |
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| 365 | {"buses", shell_drvmgr_buses}, |
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| 366 | {"devs", shell_drvmgr_devs}, |
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| 367 | {"drvs", shell_drvmgr_drvs}, |
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| 368 | {"info", shell_drvmgr_info}, |
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| 369 | {"mem", shell_drvmgr_mem}, |
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| 370 | {"parent", shell_drvmgr_parent}, |
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| 371 | {"remove", shell_drvmgr_remove}, |
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| 372 | {"res", shell_drvmgr_res}, |
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| 373 | {"short", shell_drvmgr_short}, |
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| 374 | {"topo", shell_drvmgr_topo}, |
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| 375 | {"tr", shell_drvmgr_translate}, |
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| 376 | {"--help", shell_drvmgr_usage}, |
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| 377 | }; |
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| 378 | |
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| 379 | static struct shell_drvmgr_modifier *shell_drvmgr_find_modifier(char *name) |
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| 380 | { |
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| 381 | struct shell_drvmgr_modifier *mod; |
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| 382 | int i; |
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| 383 | |
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| 384 | if (name == NULL) |
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| 385 | return NULL; |
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| 386 | |
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| 387 | for (i=0, mod=&shell_drvmgr_modifiers[0]; i<MODIFIER_NUM; i++, mod++) { |
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| 388 | if (strcmp(name, mod->name) == 0) |
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| 389 | return mod; |
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| 390 | } |
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| 391 | |
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| 392 | return NULL; |
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| 393 | } |
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| 394 | |
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| 395 | static int rtems_shell_main_drvmgr( |
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| 396 | int argc, |
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| 397 | char *argv[] |
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| 398 | ) |
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| 399 | { |
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| 400 | struct shell_drvmgr_modifier *mod; |
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| 401 | int rc; |
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| 402 | |
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| 403 | if (argc < 2) { |
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| 404 | show_drvmgr_info(); |
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| 405 | rc = 0; |
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| 406 | } else if ((mod=shell_drvmgr_find_modifier(argv[1])) != NULL) { |
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| 407 | rc = mod->func(argc, argv); |
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| 408 | } else { |
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| 409 | rc = -1; |
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| 410 | } |
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| 411 | |
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| 412 | if (rc < 0) { |
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| 413 | printf(" invalid argument\n"); |
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| 414 | usage(); |
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| 415 | } |
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| 416 | |
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| 417 | return rc; |
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| 418 | } |
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| 419 | |
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| 420 | rtems_shell_cmd_t rtems_shell_DRVMGR_Command = { |
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| 421 | "drvmgr", /* name */ |
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| 422 | drvmgr_usage_str, /* usage */ |
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| 423 | "system", /* topic */ |
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| 424 | rtems_shell_main_drvmgr, /* command */ |
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| 425 | NULL, /* alias */ |
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| 426 | NULL /* next */ |
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| 427 | }; |
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