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Root/trunk/i386/libsaio/device_inject.c

1/*␊
2 *␉Copyright 2009 Jasmin Fazlic All rights reserved.␊
3 */␊
4/*␊
5 *␉Cleaned and merged by iNDi␊
6 */␊
7␊
8#include "libsaio.h"␊
9#include "boot.h"␊
10#include "bootstruct.h"␊
11#include "pci.h"␊
12#include "pci_root.h"␊
13#include "device_inject.h"␊
14#include "convert.h"␊
15␊
16#ifndef DEBUG_INJECT␊
17#define DEBUG_INJECT 0␊
18#endif␊
19␊
20#if DEBUG_INJECT␊
21#define DBG(x...)␉printf(x)␊
22#else␊
23#define DBG(x...)␊
24#endif␊
25␊
26uint32_t devices_number = 1;␊
27uint32_t builtin_set = 0;␊
28DevPropString *string = 0;␊
29uint8_t *stringdata = 0;␊
30uint32_t stringlength = 0;␊
31␊
32char *efi_inject_get_devprop_string(uint32_t *len)␊
33{␊
34␉if(string) {␊
35␉␉*len = string->length;␊
36␉␉return devprop_generate_string(string);␊
37␉}␊
38␉verbose("efi_inject_get_devprop_string NULL trying stringdata\n");␊
39␉return NULL;␊
40}␊
41␊
42void setupDeviceProperties(Node *node)␊
43{␊
44 const char *val;␊
45 uint8_t *binStr;␊
46 int cnt, cnt2;␊
47␊
48 static char DEVICE_PROPERTIES_PROP[] = "device-properties";␊
49␊
50 /* Generate devprop string.␊
51 */␊
52 uint32_t strlength;␊
53 char *string = efi_inject_get_devprop_string(&strlength);␊
54␊
55 /* Use the static "device-properties" boot config key contents if available,␊
56 * otheriwse use the generated one.␊
57 */ ␊
58␉if (!getValueForKey(kDeviceProperties, &val, &cnt, &bootInfo->chameleonConfig) && string) {␊
59␉␉val = (const char*)string;␊
60␉␉cnt = strlength * 2;␊
61␉}␊
62␊
63␉if (cnt > 1) {␊
64␉␉binStr = convertHexStr2Binary(val, &cnt2);␊
65␉␉if (cnt2 > 0) {␊
66␉␉␉DT__AddProperty(node, DEVICE_PROPERTIES_PROP, cnt2, binStr);␊
67␉␉}␊
68␉}␊
69}␊
70␊
71DevPropString *devprop_create_string(void)␊
72{␊
73␉string = (struct DevPropString*)malloc(sizeof(struct DevPropString));␊
74␊
75␉if(string == NULL) {␊
76␉␉return NULL;␊
77␉}␊
78␉␊
79␉memset(string, 0, sizeof(struct DevPropString));␊
80␉string->length = 12;␊
81␉string->WHAT2 = 0x01000000;␊
82␉return string;␊
83}␊
84␊
85DevPropDevice *devprop_add_device(DevPropString *string, char *path)␊
86{␊
87␉DevPropDevice␉*device = NULL;␊
88␉const char␉␉pciroot_string[] = "PciRoot(0x";␊
89␉const char␉␉pci_device_string[] = "Pci(0x";␊
90␊
91␉if (string == NULL || path == NULL) {␊
92␉␉printf("ERROR null device path\n");␊
93␉␉return NULL;␊
94␉}␊
95␊
96␉if (strncmp(path, pciroot_string, strlen(pciroot_string))) {␊
97␉␉printf("ERROR parsing device path\n");␊
98␉␉return NULL;␊
99␉}␊
100␉if (!(device = malloc(sizeof(DevPropDevice)))) {␊
101␉␉printf("ERROR malloc failed\n");␊
102␉␉return NULL;␊
103␉}␊
104␊
105␉memset(device, 0, sizeof(DevPropDevice));␊
106␉device->acpi_dev_path._UID = getPciRootUID();␊
107␊
108␉int numpaths = 0;␊
109␉int␉␉x, curr = 0;␊
110␉char␉buff[] = "00";␊
111␊
112␉for (x = 0; x < strlen(path); x++) {␊
113␉␉if (!strncmp(&path[x], pci_device_string, strlen(pci_device_string))) {␊
114␉␉␉x+=strlen(pci_device_string);␊
115␉␉␉curr=x;␊
116␉␉␉while(path[++x] != ',');␊
117␉␉␉if(x-curr == 2) {␊
118␉␉␉␉sprintf(buff, "%c%c", path[curr], path[curr+1]);␊
119␉␉␉} else if(x-curr == 1) {␊
120␉␉␉␉sprintf(buff, "%c", path[curr]);␊
121␉␉␉} else {␊
122␉␉␉␉printf("ERROR parsing device path\n");␊
123␉␉␉␉numpaths = 0;␊
124␉␉␉␉break;␊
125␉␉␉}␊
126␉␉␉device->pci_dev_path[numpaths].device =␉ascii_hex_to_int(buff);␊
127␊
128␉␉␉x += 3; // 0x␊
129␉␉␉curr = x;␊
130␉␉␉while(path[++x] != ')');␊
131␉␉␉if(x-curr == 2) {␊
132␉␉␉␉sprintf(buff, "%c%c", path[curr], path[curr+1]);␊
133␉␉␉} else if(x-curr == 1) {␊
134␉␉␉␉sprintf(buff, "%c", path[curr]);␊
135␉␉␉} else {␊
136␉␉␉␉printf("ERROR parsing device path\n");␊
137␉␉␉␉numpaths = 0;␊
138␉␉␉␉break;␊
139␉␉␉}␊
140␉␉␉device->pci_dev_path[numpaths].function = ascii_hex_to_int(buff); // TODO: find dev from char *path␊
141␊
142␉␉␉numpaths++;␊
143␉␉}␊
144␉}␊
145␉␊
146␉if(!numpaths) {␊
147␉␉free(device);␊
148␉␉return NULL;␊
149␉}␊
150␉␊
151␉device->numentries = 0x00;␊
152␉␊
153␉device->acpi_dev_path.length = 0x0c;␊
154␉device->acpi_dev_path.type = 0x02;␊
155␉device->acpi_dev_path.subtype = 0x01;␊
156␉device->acpi_dev_path._HID = 0xd041030a;␊
157␉␊
158␉device->num_pci_devpaths = numpaths;␊
159␉device->length = 24 + (6*numpaths);␊
160␉␊
161␉int␉␉i;␊
162␉␊
163␉for(i = 0; i < numpaths; i++)␊
164␉{␊
165␉␉device->pci_dev_path[i].length = 0x06;␊
166␉␉device->pci_dev_path[i].type = 0x01;␊
167␉␉device->pci_dev_path[i].subtype = 0x01;␊
168␉}␊
169␉␊
170␉device->path_end.length = 0x04;␊
171␉device->path_end.type = 0x7f;␊
172␉device->path_end.subtype = 0xff;␊
173␉␊
174␉device->string = string;␊
175␉device->data = NULL;␊
176␊
177␉if(!string->entries) {␊
178␉␉if (!(string->entries = (struct DevPropDevice**) malloc(sizeof(device) * DEV_PROP_DEVICE_MAX_ENTRIES))) {␊
179␉␉␉free(device);␊
180␉␉␉return NULL;␊
181␉␉}␊
182␉}␊
183␊
184␉/* FIXME: probably needs bounds checking, as well as error handling in event of malloc failure */␊
185␉string->length += device->length;␊
186␉string->entries[string->numentries++] = (DevPropDevice*)malloc(sizeof(device));␊
187␉string->entries[string->numentries-1] = device;␊
188␊
189␉return device;␊
190}␊
191␊
192int devprop_add_value(DevPropDevice *device, char *nm, uint8_t *vl, uint32_t len)␊
193{␊
194␊
195␉if(!nm || !vl || !len) {␊
196␉␉return 0;␊
197␉}␊
198␉uint32_t length = ((strlen(nm) * 2) + len + (2 * sizeof(uint32_t)) + 2);␊
199␉uint8_t *data = (uint8_t*)malloc(length);␊
200␉{␊
201␉␉if(!data) {␊
202␉␉␉return 0;␊
203␉␉}␊
204␊
205␉␉memset(data, 0, length);␊
206␉␉uint32_t off= 0;␊
207␉␉data[off+1] = ((strlen(nm) * 2) + 6) >> 8;␊
208␉␉data[off] = ((strlen(nm) * 2) + 6) & 0x00FF;␊
209␉␉␊
210␉␉off += 4;␊
211␉␉uint32_t i=0, l = strlen(nm);␊
212␉␉for(i = 0 ; i < l ; i++, off += 2) {␊
213␉␉␉data[off] = *nm++;␊
214␉␉}␊
215␊
216␉␉off += 2;␊
217␉␉l = len;␊
218␉␉uint32_t *datalength = (uint32_t*)&data[off];␊
219␉␉*datalength = (uint32_t)(l + 4);␊
220␉␉off += 4;␊
221␉␉for(i = 0 ; i < l ; i++, off++)␊
222␉␉{␊
223␉␉␉data[off] = *vl++;␊
224␉␉}␊
225␉}␊
226␉␊
227␉uint32_t offset = device->length - (24 + (6 * device->num_pci_devpaths));␊
228␉␊
229␉uint8_t *newdata = (uint8_t*)malloc((length + offset));␊
230␉if(!newdata) {␊
231␉␉return 0;␊
232␉}␊
233␉if(device->data) {␊
234␉␉if(offset > 1) {␊
235␉␉␉memcpy(newdata, device->data, offset);␊
236␉␉}␊
237␉}␊
238␊
239␉memcpy(newdata + offset, data, length);␊
240␉␊
241␉device->length += length;␊
242␉device->string->length += length;␊
243␉device->numentries++;␊
244␊
245␉if(!device->data) {␊
246␉␉device->data = (uint8_t*)malloc(sizeof(uint8_t));␊
247␉} else {␊
248␉␉free(device->data);␊
249␉}␊
250␊
251␉free(data);␊
252␉device->data = newdata;␊
253␊
254␉return 1;␊
255}␊
256␊
257char *devprop_generate_string(DevPropString *string)␊
258{␊
259␉char *buffer = (char*)malloc(string->length * 2);␊
260␉char *ptr = buffer;␊
261␊
262␉if(!buffer)␊
263␉{␊
264␉␉return NULL;␊
265␉}␊
266␊
267␉sprintf(buffer, "%08x%08x%04x%04x", dp_swap32(string->length), string->WHAT2,␊
268␉␉␉dp_swap16(string->numentries), string->WHAT3);␊
269␉buffer += 24;␊
270␉int i = 0, x = 0;␊
271␊
272␉while(i < string->numentries)␊
273␉{␊
274␉␉sprintf(buffer, "%08x%04x%04x", dp_swap32(string->entries[i]->length),␊
275␉␉␉␉dp_swap16(string->entries[i]->numentries), string->entries[i]->WHAT2);␊
276␉␉␊
277␉␉buffer += 16;␊
278␉␉sprintf(buffer, "%02x%02x%04x%08x%08x", string->entries[i]->acpi_dev_path.type,␊
279␉␉␉␉string->entries[i]->acpi_dev_path.subtype,␊
280␉␉␉␉dp_swap16(string->entries[i]->acpi_dev_path.length),␊
281␉␉␉␉string->entries[i]->acpi_dev_path._HID,␊
282␉␉␉␉dp_swap32(string->entries[i]->acpi_dev_path._UID));␊
283␊
284␉␉buffer += 24;␊
285␉␉for(x = 0;x < string->entries[i]->num_pci_devpaths; x++)␊
286␉␉{␊
287␉␉␉sprintf(buffer, "%02x%02x%04x%02x%02x", string->entries[i]->pci_dev_path[x].type,␊
288␉␉␉␉␉string->entries[i]->pci_dev_path[x].subtype,␊
289␉␉␉␉␉dp_swap16(string->entries[i]->pci_dev_path[x].length),␊
290␉␉␉␉␉string->entries[i]->pci_dev_path[x].function,␊
291␉␉␉␉␉string->entries[i]->pci_dev_path[x].device);␊
292␉␉␉buffer += 12;␊
293␉␉}␊
294␉␉␊
295␉␉sprintf(buffer, "%02x%02x%04x", string->entries[i]->path_end.type,␊
296␉␉␉␉string->entries[i]->path_end.subtype,␊
297␉␉␉␉dp_swap16(string->entries[i]->path_end.length));␊
298␉␉␊
299␉␉buffer += 8;␊
300␉␉uint8_t *dataptr = string->entries[i]->data;␊
301␉␉for(x = 0; (uint32_t)x < (string->entries[i]->length) - (24 + (6 * string->entries[i]->num_pci_devpaths)) ; x++)␊
302␉␉{␊
303␉␉␉sprintf(buffer, "%02x", *dataptr++);␊
304␉␉␉buffer += 2;␊
305␉␉}␊
306␉␉i++;␊
307␉}␊
308␉return ptr;␊
309}␊
310␊
311void devprop_free_string(DevPropString *string)␊
312{␊
313␊
314␉if(!string) {␊
315␉␉return;␊
316␉}␊
317␊
318␉int i;␊
319␉for(i = 0; i < string->numentries; i++)␊
320␉{␊
321␉␉if(string->entries[i])␊
322␉␉{␊
323␉␉␉if(string->entries[i]->data)␊
324␉␉␉{␊
325␉␉␉␉free(string->entries[i]->data);␊
326␉␉␉␉string->entries[i]->data = NULL;␊
327␉␉␉}␊
328␉␉␉free(string->entries[i]);␊
329␉␉␉string->entries[i] = NULL;␊
330␉␉}␊
331␉}␊
332␊
333␉free(string);␊
334␉string = NULL;␊
335}␊
336␊
337/* ======================================================= */␊
338␊
339␊
340/*******************************************************************␊
341 * Decodes a sequence of 'len' hexadecimal chars from 'hex' into *␊
342 * a binary. returns -1 in case of error (i.e. badly formed chars) *␊
343 *******************************************************************/␊
344int hex2bin(const char *hex, uint8_t *bin, int len)␊
345{␊
346␉char␉*p;␊
347␉int␉i;␊
348␉char␉buf[3];␊
349␊
350␉if (hex == NULL || bin == NULL || len <= 0 || strlen(hex) != len * 2)␊
351␉{␊
352␉␉printf("[ERROR] bin2hex input error\n");␊
353␉␉return -1;␊
354␉}␊
355␊
356␉buf[2] = '\0';␊
357␉p = (char *) hex;␊
358␊
359␉for (i = 0; i < len; i++)␊
360␉{␊
361␉␉if (p[0] == '\0' || p[1] == '\0' || !isxdigit(p[0]) || !isxdigit(p[1]))␊
362␉␉{␊
363␉␉␉printf("[ERROR] bin2hex '%s' syntax error\n", hex);␊
364␉␉␉return -2;␊
365␉␉}␊
366␉␉buf[0] = *p++;␊
367␉␉buf[1] = *p++;␊
368␉␉bin[i] = (unsigned char) strtoul(buf, NULL, 16);␊
369␉}␊
370␉return 0;␊
371}␊
372␊
373/* ======================================================= */␊
374␊
375/* a fine place for this code */␊
376␊
377int devprop_add_network_template(DevPropDevice *device, uint16_t vendor_id)␊
378{␊
379␉if(!device)␊
380␉␉return 0;␊
381␉uint8_t builtin = 0x0;␊
382␉if((vendor_id != 0x168c) && (builtin_set == 0)) ␊
383␉{␊
384␉␉builtin_set = 1;␊
385␉␉builtin = 0x01;␊
386␉}␊
387␉if(!devprop_add_value(device, "built-in", (uint8_t*)&builtin, 1))␊
388␉␉return 0;␊
389␉devices_number++;␊
390␉return 1;␊
391}␊
392␊
393void set_eth_builtin(pci_dt_t *eth_dev)␊
394{␊
395␉char *devicepath = get_pci_dev_path(eth_dev);␊
396␉DevPropDevice *device = NULL;␊
397␊
398␉verbose("LAN Controller [%04x:%04x] :: %s\n", eth_dev->vendor_id, eth_dev->device_id, devicepath);␊
399␊
400␉if(!string) {␊
401␉␉string = devprop_create_string();␊
402␉}␊
403␊
404␉device = devprop_add_device(string, devicepath);␊
405␉if(device) {␊
406␉␉verbose("Setting up lan keys\n");␊
407␉␉devprop_add_network_template(device, eth_dev->vendor_id);␊
408␉␉stringdata = (uint8_t*)malloc(sizeof(uint8_t) * string->length);␊
409␉␉if(stringdata) {␊
410␉␉␉memcpy(stringdata, (uint8_t*)devprop_generate_string(string), string->length);␊
411␉␉␉stringlength = string->length;␊
412␉␉}␊
413␉}␊
414}␊
415

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