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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 "bootstruct.h"␊
10#include "pci.h"␊
11#include "device_inject.h"␊
12␊
13␊
14#ifndef DEBUG_INJECT␊
15#define DEBUG_INJECT 0␊
16#endif␊
17␊
18#if DEBUG_INJECT␊
19#define DBG(x...)␉printf(x)␊
20#else␊
21#define DBG(x...)␊
22#endif␊
23␊
24uint32_t devices_number = 1;␊
25uint32_t builtin_set = 0;␊
26struct DevPropString *string = 0;␊
27uint8_t *stringdata = 0;␊
28uint32_t stringlength = 0;␊
29␊
30char *efi_inject_get_devprop_string(uint32_t *len)␊
31{␊
32␉if(string)␊
33␉{␊
34␉␉*len = string->length;␊
35␉␉return devprop_generate_string(string);␊
36␉}␊
37␉printf("efi_inject_get_devprop_string NULL trying stringdata\n");␊
38␉return NULL;␊
39}␊
40␊
41uint32_t ascii_hex_to_int(char *buff) ␊
42{␊
43␉uint32_t␉value = 0, i, digit;␊
44␉for(i = 0; i < strlen(buff); i++)␊
45␉{␊
46␉␉if (buff[i] >= 48 && buff[i] <= 57)␉␉␉// '0' through '9'␊
47␉␉␉digit = buff[i] - 48;␉␊
48␉␉else if (buff[i] >= 65 && buff[i] <= 70)␉// 'A' through 'F'␊
49␉␉␉digit = buff[i] - 55;␊
50␉␉else if (buff[i] >= 97 && buff[i] <= 102)␉// 'a' through 'f'␊
51␉␉␉digit = buff[i] - 87;␊
52␉␉else␊
53␉␉␉return value;␊
54␉␉␊
55␉␉value = digit + 16 * value;␊
56␉}␊
57␉return␉value;␊
58}␊
59␊
60void *convertHexStr2Binary(const char *hexStr, int *outLength)␊
61{␊
62 int len;␊
63 char hexNibble;␊
64 char hexByte[2];␊
65 uint8_t binChar;␊
66 uint8_t *binStr;␊
67 int hexStrIdx, binStrIdx, hexNibbleIdx;␊
68␊
69 len = strlen(hexStr);␊
70 if (len > 1)␊
71 {␊
72 // the resulting binary will be the half size of the input hex string␊
73 binStr = malloc(len / 2);␊
74 binStrIdx = 0;␊
75 hexNibbleIdx = 0;␊
76 for (hexStrIdx = 0; hexStrIdx < len; hexStrIdx++)␊
77 {␊
78 hexNibble = hexStr[hexStrIdx];␊
79 ␊
80 // ignore all chars except valid hex numbers␊
81 if (hexNibble >= '0' && hexNibble <= '9'␊
82 || hexNibble >= 'A' && hexNibble <= 'F'␊
83 || hexNibble >= 'a' && hexNibble <= 'f')␊
84 {␊
85 hexByte[hexNibbleIdx++] = hexNibble;␊
86 ␊
87 // found both two nibbles, convert to binary␊
88 if (hexNibbleIdx == 2)␊
89 {␊
90 binChar = 0;␊
91 ␊
92 for (hexNibbleIdx = 0; hexNibbleIdx < sizeof(hexByte); hexNibbleIdx++)␊
93 {␊
94 if (hexNibbleIdx > 0) binChar = binChar << 4;␊
95 ␊
96 if (hexByte[hexNibbleIdx] <= '9') binChar += hexByte[hexNibbleIdx] - '0';␊
97 else if (hexByte[hexNibbleIdx] <= 'F') binChar += hexByte[hexNibbleIdx] - ('A' - 10);␊
98 else if (hexByte[hexNibbleIdx] <= 'f') binChar += hexByte[hexNibbleIdx] - ('a' - 10);␊
99 }␊
100 ␊
101 binStr[binStrIdx++] = binChar;␉␉␉␉␉␉␊
102 hexNibbleIdx = 0;␊
103 }␊
104 }␊
105 }␊
106 *outLength = binStrIdx;␊
107 return binStr;␊
108 }␊
109 else␊
110 {␊
111 *outLength = 0;␊
112 return NULL;␊
113 }␊
114}␊
115␊
116void setupDeviceProperties(Node *node)␊
117{␊
118 const char *val;␊
119 uint8_t *binStr;␊
120 int cnt, cnt2;␊
121␊
122 static char DEVICE_PROPERTIES_PROP[] = "device-properties";␊
123␊
124 /* Generate devprop string.␊
125 */␊
126 uint32_t strlength;␊
127 char *string = efi_inject_get_devprop_string(&strlength);␊
128␊
129 /* Use the static "device-properties" boot config key contents if available,␊
130 * otheriwse use the generated one.␊
131 */ ␊
132 if (!getValueForKey(DEVICE_PROPERTIES_PROP, &val, &cnt, &bootInfo->bootConfig) && string)␊
133 {␊
134 val = (const char*)string;␊
135 cnt = strlength * 2;␊
136 } ␊
137 ␊
138 if (cnt > 1)␊
139 {␊
140 binStr = convertHexStr2Binary(val, &cnt2);␊
141 if (cnt2 > 0) DT__AddProperty(node, DEVICE_PROPERTIES_PROP, cnt2, binStr);␊
142 }␊
143}␊
144␊
145uint16_t dp_swap16(uint16_t toswap)␊
146{␊
147␉return (((toswap & 0x00FF) << 8) | ((toswap & 0xFF00) >> 8));␊
148}␊
149␊
150uint32_t dp_swap32(uint32_t toswap)␊
151{␊
152␉return ((toswap & 0x000000FF) << 24) |␊
153␉␉␉((toswap & 0x0000FF00) << 8 ) |␊
154␉␉␉((toswap & 0x00FF0000) >> 8 ) |␊
155␉␉␉((toswap & 0xFF000000) >> 24);␊
156}␉␊
157␊
158struct DevPropString *devprop_create_string(void)␊
159{␊
160␉string = (struct DevPropString*)malloc(sizeof(struct DevPropString));␊
161␉␊
162␉if(string == NULL)␊
163␉␉return NULL;␊
164␉␊
165␉memset(string, 0, sizeof(struct DevPropString));␊
166␉string->length = 12;␊
167␉string->WHAT2 = 0x01000000;␊
168␉return string;␊
169}␊
170 ␊
171struct DevPropDevice *devprop_add_device(struct DevPropString *string, char *path)␊
172{␊
173␉uint32_t PciRootID = 0;␊
174␉const char *val;␊
175␉int len;␊
176␊
177␉struct DevPropDevice *device = (struct DevPropDevice*)malloc(sizeof(struct DevPropDevice));␊
178␉if(!device || !string || !path) {␊
179␉␉if(device)␊
180␉␉␉free(device);␊
181␉␉return NULL;␊
182␉}␊
183␊
184␉const char pciroot_string[]␉␉= "PciRoot(0x";␊
185␉const char pci_device_string[]␉= "Pci(0x";␊
186␊
187␉if (getValueForKey("PciRoot", &val, &len, &bootInfo->bootConfig))␊
188␉ PciRootID = atoi(val);␊
189␉␊
190␉if(strncmp(path, pciroot_string, strlen(pciroot_string)))␊
191␉{␊
192␉␉printf("ERROR parsing device path\n");␊
193␉␉return NULL;␊
194␉}␊
195␉␊
196␉memset(device, 0, sizeof(struct DevPropDevice));␊
197␉␊
198␉device->acpi_dev_path._UID = PciRootID;␊
199␉␊
200␉int numpaths = 0;␊
201␉int␉␉x, curr = 0;␊
202␉char␉buff[] = "00";␊
203␊
204␉for(x = 0; x < strlen(path); x++)␊
205␉{␊
206␉␉if(!strncmp(&path[x], pci_device_string, strlen(pci_device_string)))␊
207␉␉{␊
208␉␉␉x+=strlen(pci_device_string);␊
209␉␉␉curr=x;␊
210␉␉␉while(path[++x] != ',');␊
211␉␉␉if(x-curr == 2)␊
212␉␉␉␉sprintf(buff, "%c%c", path[curr], path[curr+1]);␊
213␉␉␉else if(x-curr == 1)␊
214␉␉␉␉sprintf(buff, "%c", path[curr]);␊
215␉␉␉else ␊
216␉␉␉{␊
217␉␉␉␉printf("ERROR parsing device path\n");␊
218␉␉␉␉numpaths = 0;␊
219␉␉␉␉break;␊
220␉␉␉}␊
221␉␉␉device->pci_dev_path[numpaths].device =␉ascii_hex_to_int(buff);␊
222␉␉␉␊
223␉␉␉x += 3; // 0x␊
224␉␉␉curr = x;␊
225␉␉␉while(path[++x] != ')');␊
226␉␉␉if(x-curr == 2)␊
227␉␉␉␉sprintf(buff, "%c%c", path[curr], path[curr+1]);␊
228␉␉␉else if(x-curr == 1)␊
229␉␉␉␉sprintf(buff, "%c", path[curr]);␊
230␉␉␉else␊
231␉␉␉{␊
232␉␉␉␉printf("ERROR parsing device path\n");␊
233␉␉␉␉numpaths = 0;␊
234␉␉␉␉break;␊
235␉␉␉}␊
236␉␉␉device->pci_dev_path[numpaths].function = ascii_hex_to_int(buff); // TODO: find dev from char *path␊
237␉␉␉␊
238␉␉␉numpaths++;␊
239␉␉}␊
240␉}␊
241␉␊
242␉if(!numpaths)␊
243␉␉return NULL;␊
244␉␊
245␉device->numentries = 0x00;␊
246␉␊
247␉device->acpi_dev_path.length = 0x0c;␊
248␉device->acpi_dev_path.type = 0x02;␊
249␉device->acpi_dev_path.subtype = 0x01;␊
250␉device->acpi_dev_path._HID = 0xd041030a;␊
251␉␊
252␉device->num_pci_devpaths = numpaths;␊
253␉device->length = 24 + (6*numpaths);␊
254␉␊
255␉int␉␉i; ␊
256␉␊
257␉for(i = 0; i < numpaths; i++)␊
258␉{␊
259␉␉device->pci_dev_path[i].length = 0x06;␊
260␉␉device->pci_dev_path[i].type = 0x01;␊
261␉␉device->pci_dev_path[i].subtype = 0x01;␊
262␉}␊
263␉␊
264␉device->path_end.length = 0x04;␊
265␉device->path_end.type = 0x7f;␊
266␉device->path_end.subtype = 0xff;␊
267␉␊
268␉device->string = string;␊
269␉device->data = NULL;␊
270␉string->length += device->length;␊
271␉␊
272␉if(!string->entries)␊
273␉␉if((string->entries = (struct DevPropDevice**)malloc(sizeof(device)))== NULL)␊
274␉␉␉return 0;␊
275␉␊
276␉string->entries[string->numentries++] = (struct DevPropDevice*)malloc(sizeof(device));␊
277␉string->entries[string->numentries-1] = device;␊
278␉␊
279␉return device;␊
280}␊
281␊
282int devprop_add_value(struct DevPropDevice *device, char *nm, uint8_t *vl, uint32_t len)␊
283{␊
284␉␊
285␉if(!nm || !vl || !len)␊
286␉␉return 0;␊
287␉␊
288␉uint32_t length = ((strlen(nm) * 2) + len + (2 * sizeof(uint32_t)) + 2);␊
289␉uint8_t *data = (uint8_t*)malloc(length);␊
290␉{␊
291␉␉if(!data)␊
292␉␉␉return 0;␊
293␉␉␊
294␉␉memset(data, 0, length);␊
295␉␉uint32_t off= 0;␊
296␉␉data[off+1] = ((strlen(nm) * 2) + 6) >> 8;␊
297␉␉data[off] = ((strlen(nm) * 2) + 6) & 0x00FF;␊
298␉␉␊
299␉␉off += 4;␊
300␉␉uint32_t i=0, l = strlen(nm);␊
301␉␉for(i = 0 ; i < l ; i++, off += 2)␊
302␉␉{␊
303␉␉␉data[off] = *nm++;␊
304␉␉}␊
305␉␉␊
306␉␉off += 2;␊
307␉␉l = len;␊
308␉␉uint32_t *datalength = (uint32_t*)&data[off];␊
309␉␉*datalength = l + 4;␊
310␉␉off += 4;␊
311␉␉for(i = 0 ; i < l ; i++, off++)␊
312␉␉{␊
313␉␉␉data[off] = *vl++;␊
314␉␉}␊
315␉}␉␊
316␉␊
317␉uint32_t offset = device->length - (24 + (6 * device->num_pci_devpaths));␊
318␉␊
319␉uint8_t *newdata = (uint8_t*)malloc((length + offset));␊
320␉if(!newdata)␊
321␉␉return 0;␊
322␉if(device->data)␊
323␉␉if(offset > 1)␊
324␉␉␉memcpy(newdata, device->data, offset);␊
325␊
326␉memcpy(newdata + offset, data, length);␊
327␉␊
328␉device->length += length;␊
329␉device->string->length += length;␊
330␉device->numentries++;␊
331␉␊
332␉if(!device->data)␊
333␉␉device->data = (uint8_t*)malloc(sizeof(uint8_t));␊
334␉else␊
335␉␉free(device->data);␊
336␉␊
337␉free(data);␊
338␉device->data = newdata;␊
339␉␊
340␉return 1;␊
341}␊
342␊
343char *devprop_generate_string(struct DevPropString *string)␊
344{␊
345␉char *buffer = (char*)malloc(string->length * 2);␊
346␉char *ptr = buffer;␊
347␉␊
348␉if(!buffer)␊
349␉␉return NULL;␊
350␊
351␉sprintf(buffer, "%08x%08x%04x%04x", dp_swap32(string->length), string->WHAT2,␊
352␉␉␉dp_swap16(string->numentries), string->WHAT3);␊
353␉buffer += 24;␊
354␉int i = 0, x = 0;␊
355␉␊
356␉while(i < string->numentries)␊
357␉{␊
358␉␉sprintf(buffer, "%08x%04x%04x", dp_swap32(string->entries[i]->length),␊
359␉␉␉␉dp_swap16(string->entries[i]->numentries), string->entries[i]->WHAT2);␊
360␉␉␊
361␉␉buffer += 16;␊
362␉␉sprintf(buffer, "%02x%02x%04x%08x%08x", string->entries[i]->acpi_dev_path.type,␊
363␉␉␉␉string->entries[i]->acpi_dev_path.subtype,␊
364␉␉␉␉dp_swap16(string->entries[i]->acpi_dev_path.length),␊
365␉␉␉␉string->entries[i]->acpi_dev_path._HID,␊
366␉␉␉␉dp_swap32(string->entries[i]->acpi_dev_path._UID));␊
367␊
368␉␉buffer += 24;␊
369␉␉for(x=0;x < string->entries[i]->num_pci_devpaths; x++)␊
370␉␉{␊
371␉␉␉sprintf(buffer, "%02x%02x%04x%02x%02x", string->entries[i]->pci_dev_path[x].type,␊
372␉␉␉␉␉string->entries[i]->pci_dev_path[x].subtype,␊
373␉␉␉␉␉dp_swap16(string->entries[i]->pci_dev_path[x].length),␊
374␉␉␉␉␉string->entries[i]->pci_dev_path[x].function,␊
375␉␉␉␉␉string->entries[i]->pci_dev_path[x].device);␊
376␉␉␉buffer += 12;␊
377␉␉}␊
378␉␉␊
379␉␉sprintf(buffer, "%02x%02x%04x", string->entries[i]->path_end.type,␊
380␉␉␉␉string->entries[i]->path_end.subtype,␊
381␉␉␉␉dp_swap16(string->entries[i]->path_end.length));␊
382␉␉␊
383␉␉buffer += 8;␊
384␉␉uint8_t *dataptr = string->entries[i]->data;␊
385␉␉for(x = 0; x < (string->entries[i]->length) - (24 + (6 * string->entries[i]->num_pci_devpaths)) ; x++)␊
386␉␉{␊
387␉␉␉sprintf(buffer, "%02x", *dataptr++);␊
388␉␉␉buffer += 2;␊
389␉␉}␊
390␉␉i++;␊
391␉}␊
392␉return ptr;␊
393}␊
394␊
395void devprop_free_string(struct DevPropString *string)␊
396{␊
397␉if(!string)␊
398␉␉return;␊
399␉␊
400␉int i;␊
401␉for(i = 0; i < string->numentries; i++)␊
402␉{␊
403␉␉if(string->entries[i])␊
404␉␉{␊
405␉␉␉if(string->entries[i]->data)␊
406␉␉␉{␊
407␉␉␉␉free(string->entries[i]->data);␊
408␉␉␉␉string->entries[i]->data = NULL;␊
409␉␉␉}␊
410␉␉␉free(string->entries[i]);␊
411␉␉␉string->entries[i] = NULL;␊
412␉␉}␊
413␉}␊
414␉␊
415␉free(string);␊
416␉string = NULL;␊
417}␊
418␊
419/* a fine place for this code */␊
420␊
421int devprop_add_network_template(struct DevPropDevice *device, uint16_t vendor_id)␊
422{␊
423␉if(!device)␊
424␉␉return 0;␊
425␉uint8_t builtin = 0x0;␊
426␉if((vendor_id != 0x168c) && (builtin_set == 0)) ␊
427␉{␊
428␉␉builtin_set = 1;␊
429␉␉builtin = 0x01;␊
430␉}␊
431␉if(!devprop_add_value(device, "built-in", (uint8_t*)&builtin, 1))␊
432␉␉return 0;␊
433␉devices_number++;␊
434␉return 1;␊
435}␊
436␊
437void set_eth_builtin(pci_dt_t *eth_dev)␊
438{␊
439␉char *devicepath = get_pci_dev_path(eth_dev);␊
440␉struct DevPropDevice *device = (struct DevPropDevice*)malloc(sizeof(struct DevPropDevice));␊
441␊
442␉verbose("LAN Controller [%04x:%04x] :: %s\n", eth_dev->vendor_id, eth_dev->device_id, devicepath);␊
443␊
444␉if (!string)␊
445␉␉string = devprop_create_string();␊
446␊
447␉device = devprop_add_device(string, devicepath);␊
448␉if(device)␊
449␉{␊
450␉␉verbose("Setting up lan keys\n");␊
451␉␉devprop_add_network_template(device, eth_dev->vendor_id);␊
452␉␉stringdata = (uint8_t*)malloc(sizeof(uint8_t) * string->length);␊
453␉␉if(stringdata)␊
454␉␉{␊
455␉␉␉memcpy(stringdata, (uint8_t*)devprop_generate_string(string), string->length);␊
456␉␉␉stringlength = string->length;␊
457␉␉}␊
458␉}␊
459}␊
460

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