4 Copyright (C) 2001 Dell Computer Corporation <Matt_Domsch@dell.com>
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 #define __STDC_FORMAT_MACROS
29 #include <netinet/in.h>
32 #include "unparse_path.h"
39 dump_raw_data(void *data, uint64_t length)
41 char buffer1[80], buffer2[80], *b1, *b2, c;
42 unsigned char *p = data;
43 unsigned long column=0;
44 uint64_t length_printed = 0;
45 const char maxcolumn = 16;
46 while (length_printed < length) {
50 column < maxcolumn && length_printed < length;
52 b1 += sprintf(b1, "%02x ",(unsigned int) *p);
53 if (*p < 32 || *p > 126) c = '.';
55 b2 += sprintf(b2, "%c", c);
59 /* pad out the line */
60 for (; column < maxcolumn; column++)
62 b1 += sprintf(b1, " ");
63 b2 += sprintf(b2, " ");
66 printf("%s\t%s\n", buffer1, buffer2);
73 unparse_raw(char *buffer, uint8_t *p, uint64_t length)
75 uint64_t i; unsigned char c;
77 for (i=0; i<length; i++) {
79 //if (c < 32 || c > 127) c = '.';
80 q += sprintf(q, "%02x", c);
86 unparse_raw_text(char *buffer, uint8_t *p, uint64_t length)
88 uint64_t i; unsigned char c;
90 for (i=0; i<length; i++) {
92 if (c < 32 || c > 127) c = '.';
93 q += sprintf(q, "%c", c);
99 unparse_ipv4_port(char *buffer, uint32_t ipaddr, uint16_t port)
102 // ipaddr = nltoh(ipaddr);
103 // port = nstoh(port);
104 ip = (unsigned char *)&ipaddr;
105 return sprintf(buffer, "%hhu.%hhu.%hhu.%hhu:%hu",
106 ip[0], ip[1], ip[2], ip[3],
112 unparse_acpi_path(char *buffer, EFI_DEVICE_PATH *path)
114 ACPI_DEVICE_PATH *acpi = (ACPI_DEVICE_PATH *)path;
116 switch (path->subtype) {
118 return sprintf(buffer, "ACPI(%x,%x)", acpi->_HID, acpi->_UID);
121 return unparse_raw(buffer, (uint8_t *)path, path->length);
128 unparse_vendor_path(char *buffer, VENDOR_DEVICE_PATH *path)
130 char text_guid[40], *p = buffer, *q = (uint8_t *)path + 20;
131 efi_guid_unparse(&path->vendor_guid, text_guid);
132 p += sprintf(p, "Vendor(%s,", text_guid);
133 p += unparse_raw(p, q, path->length - 20);
134 p += sprintf(p, ")");
139 unparse_hardware_path(char *buffer, EFI_DEVICE_PATH *path)
141 PCI_DEVICE_PATH *pci = (PCI_DEVICE_PATH *)path;
142 PCCARD_DEVICE_PATH *pccard = (PCCARD_DEVICE_PATH *)path;
143 MEMORY_MAPPED_DEVICE_PATH *mm = (MEMORY_MAPPED_DEVICE_PATH *)path;
144 CONTROLLER_DEVICE_PATH *ctlr = (CONTROLLER_DEVICE_PATH *)path;
146 switch (path->subtype) {
148 return sprintf(buffer, "PCI(%x,%x)",
149 pci->device, pci->function);
152 return sprintf(buffer, "PCCARD(%x)", pccard->socket);
155 return sprintf(buffer, "MM(%x,%" PRIx64 ",%" PRIx64 ")",
160 return unparse_vendor_path(buffer, (VENDOR_DEVICE_PATH *)path);
164 return sprintf(buffer, "Controller(%x)", ctlr->controller);
168 return unparse_raw(buffer, (uint8_t *)path, path->length);
175 unparse_messaging_path(char *buffer, EFI_DEVICE_PATH *path)
177 ATAPI_DEVICE_PATH *atapi = (ATAPI_DEVICE_PATH *)path;
178 SCSI_DEVICE_PATH *scsi = (SCSI_DEVICE_PATH *)path;
179 FIBRE_CHANNEL_DEVICE_PATH *fc = (FIBRE_CHANNEL_DEVICE_PATH *)path;
180 I1394_DEVICE_PATH *i1394 = (I1394_DEVICE_PATH *)path;
181 USB_DEVICE_PATH *usb = (USB_DEVICE_PATH *)path;
182 MAC_ADDR_DEVICE_PATH *mac = (MAC_ADDR_DEVICE_PATH *)path;
183 USB_CLASS_DEVICE_PATH *usbclass = (USB_CLASS_DEVICE_PATH *)path;
184 I2O_DEVICE_PATH *i2o = (I2O_DEVICE_PATH *)path;
185 IPv4_DEVICE_PATH *ipv4 = (IPv4_DEVICE_PATH *)path;
186 /* IPv6_DEVICE_PATH *ipv6 = (IPv6_DEVICE_PATH *)path; */
189 switch (path->subtype) {
191 return sprintf(buffer, "ATAPI(%x,%x,%x)",
192 atapi->primary_secondary,
193 atapi->slave_master, atapi->lun);
196 return sprintf(buffer, "SCSI(%x,%x)", scsi->id, scsi->lun);
200 return sprintf(buffer, "FC(%" PRIx64 ",%" PRIx64 ")", fc->wwn, fc->lun);
203 return sprintf(buffer, "1394(%" PRIx64 ")", i1394->guid);
206 return sprintf(buffer, "USB(%x,%x)", usb->port, usb->endpoint);
209 return sprintf(buffer, "I2O(%x)", i2o->tid);
212 p += sprintf(p, "MAC(");
213 p += unparse_raw(p, mac->macaddr, 6);
214 p += sprintf(p, ",%hhx)", mac->iftype);
215 return (int) (p - buffer);
218 p += sprintf(p, "IPv4(");
219 p += unparse_ipv4_port(p, ipv4->local_ip, ipv4->local_port);
220 p += sprintf(p, "<->");
221 p += unparse_ipv4_port(p, ipv4->remote_ip, ipv4->remote_port);
222 p += sprintf(p, ",%hx, %hhx", ipv4->protocol, ipv4->static_addr);
223 return (int) (p - buffer);
227 return sprintf(buffer, "USBClass(%hx,%hx,%hhx,%hhx,%hhx)",
228 usbclass->vendor, usbclass->product,
229 usbclass->class, usbclass->subclass,
233 return unparse_raw(buffer, (uint8_t *)path, path->length);
240 unparse_media_hard_drive_path(char *buffer, EFI_DEVICE_PATH *path)
242 HARDDRIVE_DEVICE_PATH *hd = (HARDDRIVE_DEVICE_PATH *)path;
243 char text_uuid[40], *sig=text_uuid;
245 switch (hd->signature_type) {
247 sprintf(sig, "None");
250 sprintf(sig, "%08x", *(uint32_t *)hd->signature);
253 efi_guid_unparse((efi_guid_t *)hd->signature, sig);
259 return sprintf(buffer, "HD(%x,%" PRIx64 ",%" PRIx64 ",%s)",
260 hd->part_num, hd->start, hd->size, sig);
266 unparse_media_path(char *buffer, EFI_DEVICE_PATH *path)
269 CDROM_DEVICE_PATH *cdrom = (CDROM_DEVICE_PATH *)path;
270 MEDIA_PROTOCOL_DEVICE_PATH *media = (MEDIA_PROTOCOL_DEVICE_PATH *)path;
271 FILE_PATH_DEVICE_PATH *file = (FILE_PATH_DEVICE_PATH *)path;
272 char text_guid[40], *p = buffer;
274 memset(file_name, 0, sizeof(file_name));
276 switch (path->subtype) {
278 return unparse_media_hard_drive_path(buffer, path);
281 return sprintf(buffer, "CD-ROM(%x,%" PRIx64 ",%" PRIx64 ")",
282 cdrom->boot_entry, cdrom->start, cdrom->size);
285 return unparse_vendor_path(buffer, (VENDOR_DEVICE_PATH *)path);
288 efichar_to_char(file_name, file->path_name, 80);
289 return sprintf(p, "File(%s)", file_name);
292 efi_guid_unparse(&media->guid, text_guid);
293 return sprintf(buffer, "Media(%s)", text_guid);
302 unparse_bios_path(char *buffer, EFI_DEVICE_PATH *path)
304 BIOS_BOOT_SPEC_DEVICE_PATH *bios = (BIOS_BOOT_SPEC_DEVICE_PATH *)path;
305 char *p = buffer, *q = (uint8_t *)path + 8;
306 p += sprintf(p, "BIOS(%x,%x,",
307 bios->device_type, bios->status_flag);
308 p += unparse_raw(p, q, path->length - 8);
309 p += sprintf(p, ")");
315 unparse_path(char *buffer, EFI_DEVICE_PATH *path, uint16_t pathsize)
317 uint16_t parsed_length = 0;
321 while (parsed_length < pathsize && !exit_now) {
322 switch (path->type) {
324 p += unparse_hardware_path(p, path);
327 p += unparse_acpi_path(p, path);
330 p += unparse_messaging_path(p, path);
333 p += unparse_media_path(p, path);
336 p += unparse_bios_path(p, path);
345 printf("\nwierd path");
346 dump_raw_data(path, 4);
349 // p += sprintf(p, "\\");
350 parsed_length += path->length;
351 path = (EFI_DEVICE_PATH *) ((uint8_t *)path + path->length);
360 unparse_var(efi_variable_t *var)
363 memset(buffer, 0, sizeof(buffer));
365 unparse_path(buffer, (EFI_DEVICE_PATH *)var->Data, var->DataSize);
366 printf("%s\n", buffer);
370 compare_hardware_path_pci(EFI_DEVICE_PATH *path,
371 int device, int func)
373 uint8_t *p = ((void *)path) + OFFSET_OF(EFI_DEVICE_PATH, data);
374 uint8_t path_device, path_func;
376 switch (path->subtype) {
379 path_func = *(uint8_t *)p;
380 path_device = *(uint8_t *)(p+1);
382 return !(path_func == func && path_device == device);
392 compare_hardware_path_scsi(EFI_DEVICE_PATH *path, int id, int lun)
394 uint8_t *p = ((void *)path) + OFFSET_OF(EFI_DEVICE_PATH, data);
395 uint16_t path_id, path_lun;
397 switch (path->subtype) {
400 path_id = *(uint16_t *)p;
401 path_lun = *(uint16_t *)(p+2);
403 return !(path_id == id && path_lun == lun);
412 compare_hardware_path_acpi(EFI_DEVICE_PATH *path, int bus)
414 uint8_t *p = ((void *)path) + OFFSET_OF(EFI_DEVICE_PATH, data);
417 switch (path->subtype) {
420 _HID = *(uint32_t *)p;
421 _UID = *(uint32_t *)(p+4);
423 /* FIXME: Need to convert _HID and _UID to bus number */
434 compare_media_path_harddrive(EFI_DEVICE_PATH *path, uint32_t num,
435 uint64_t start, uint64_t size)
437 HARDDRIVE_DEVICE_PATH *p = (HARDDRIVE_DEVICE_PATH *)path;
440 switch (path->subtype) {
443 return !(p->part_num == num
456 compare_pci_scsi_disk_blk(efi_variable_t *var,
457 int bus, int device, int func,
458 int host, int channel, int id, int lun,
459 uint64_t start, uint64_t size)
462 EFI_DEVICE_PATH *path = (EFI_DEVICE_PATH *) var->Data;
463 uint64_t parsed_length = 0;
467 while (parsed_length < var->DataSize && !exit_now && !rc) {
468 switch (path->type) {
471 rc = compare_hardware_path_pci(path, device, func);
475 rc = compare_hardware_path_acpi(path, bus);
478 /* Messaging (SCSI) */
479 rc = compare_messaging_path_scsi(path, id, lun);
482 /* Media (Hard Drive) */
483 rc = compare_media_path_harddrive(path, 0,
490 case 0x05: /* BIOS */
494 parsed_length += path->length;
495 path = var->Data + parsed_length;
517 printf("Usage: dumppath filename\n");
518 printf("\t where filename is a blkXXXX EFI variable from /proc/efi/vars\n");
522 main(int argc, char **argv)
534 fd = open(argv[1], O_RDONLY);
536 perror("Failed to open file.");
539 size = read(fd, &var, sizeof(var));
540 if (size == -1 || size < sizeof(var)) {
541 perror("Failed to read file.");