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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 "pci_root.h"␊
12#include "device_inject.h"␊
13#include "convert.h"␊
14␊
15#ifndef DEBUG_INJECT␊
16#define DEBUG_INJECT 0␊
17#endif␊
18␊
19#if DEBUG_INJECT␊
20#define DBG(x...)␉printf(x)␊
21#else␊
22#define DBG(x...)␊
23#endif␊
24␊
25uint32_t devices_number = 1;␊
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␉verbose("efi_inject_get_devprop_string NULL trying stringdata\n");␊
38␉return NULL;␊
39}␊
40␊
41void setupDeviceProperties(Node *node)␊
42{␊
43␉const char *val;␊
44␉uint8_t *binStr;␊
45␉int cnt, cnt2;␊
46␉␊
47␉static char DEVICE_PROPERTIES_PROP[] = "device-properties";␊
48␉␊
49␉/* Generate devprop string.␊
50␉ */␊
51␉uint32_t strlength;␊
52␉char *string = efi_inject_get_devprop_string(&strlength);␊
53␉␊
54␉/* Use the static "device-properties" boot config key contents if available,␊
55␉ * otheriwse use the generated one.␊
56␉ */ ␊
57␉if (!getValueForKey(kDeviceProperties, &val, &cnt, DEFAULT_BOOT_CONFIG) && string)␊
58␉{␊
59␉␉val = (const char*)string;␊
60␉␉cnt = strlength * 2;␊
61␉} ␊
62 ␊
63␉if (cnt > 1)␊
64␉{␊
65␉␉binStr = convertHexStr2Binary(val, &cnt2);␊
66␉␉if (cnt2 > 0) DT__AddProperty(node, DEVICE_PROPERTIES_PROP, cnt2, binStr);␊
67␉}␊
68}␊
69␊
70struct DevPropString *devprop_create_string(void)␊
71{␊
72␉string = (struct DevPropString*)malloc(sizeof(struct DevPropString));␊
73␉␊
74␉if(string == NULL)␊
75␉{␊
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␊
85struct DevPropDevice *devprop_add_device(struct DevPropString *string, char *path)␊
86{␊
87␉struct DevPropDevice␉*device;␊
88␉const char␉␉pciroot_string[] = "PciRoot(0x";␊
89␉const char␉␉pci_device_string[] = "Pci(0x";␊
90␉␊
91␉if (string == NULL || path == NULL) {␊
92␉␉return NULL;␊
93␉}␊
94␉device = malloc(sizeof(struct DevPropDevice));␊
95␉if (!device) {␊
96 return NULL;␊
97 }␊
98␉if (strncmp(path, pciroot_string, strlen(pciroot_string))) {␊
99 free(device);␊
100␉␉printf("ERROR parsing device path\n");␊
101␉␉return NULL;␊
102␉}␊
103␉␊
104␉memset(device, 0, sizeof(struct DevPropDevice));␊
105␉device->acpi_dev_path._UID = getPciRootUID();␊
106␉␊
107␉int numpaths = 0;␊
108␉int␉␉x, curr = 0;␊
109␉char␉buff[] = "00";␊
110␉␊
111␉for (x = 0; x < strlen(path); x++) ␊
112␉{␊
113␉␉if (!strncmp(&path[x], pci_device_string, strlen(pci_device_string)))␊
114␉␉{␊
115␉␉␉x+=strlen(pci_device_string);␊
116␉␉␉curr=x;␊
117␉␉␉while(path[++x] != ',');␊
118␉␉␉if(x-curr == 2)␊
119␉␉␉{␊
120␉␉␉␉sprintf(buff, "%c%c", path[curr], path[curr+1]);␊
121␉␉␉}␊
122␉␉␉else if(x-curr == 1)␊
123␉␉␉{␊
124␉␉␉␉sprintf(buff, "%c", path[curr]);␊
125␉␉␉}␊
126␉␉␉else ␊
127␉␉␉{␊
128␉␉␉␉printf("ERROR parsing device path\n");␊
129␉␉␉␉numpaths = 0;␊
130␉␉␉␉break;␊
131␉␉␉}␊
132␉␉␉device->pci_dev_path[numpaths].device =␉ascii_hex_to_int(buff);␊
133␉␉␉␊
134␉␉␉x += 3; // 0x␊
135␉␉␉curr = x;␊
136␉␉␉while(path[++x] != ')');␊
137␉␉␉if(x-curr == 2)␊
138␉␉␉{␊
139␉␉␉␉sprintf(buff, "%c%c", path[curr], path[curr+1]);␊
140␉␉␉}␊
141␉␉␉else if(x-curr == 1)␊
142␉␉␉{␊
143␉␉␉␉sprintf(buff, "%c", path[curr]);␊
144␉␉␉}␊
145␉␉␉else␊
146␉␉␉{␊
147␉␉␉␉printf("ERROR parsing device path\n");␊
148␉␉␉␉numpaths = 0;␊
149␉␉␉␉break;␊
150␉␉␉}␊
151␉␉␉device->pci_dev_path[numpaths].function = ascii_hex_to_int(buff); // TODO: find dev from char *path␊
152␉␉␉␊
153␉␉␉numpaths++;␊
154␉␉}␊
155␉}␊
156␉␊
157␉if(!numpaths)␊
158␉{␊
159 free(device);␊
160␉␉return NULL;␊
161␉}␊
162␉␊
163␉device->numentries = 0x00;␊
164␉␊
165␉device->acpi_dev_path.length = 0x0c;␊
166␉device->acpi_dev_path.type = 0x02;␊
167␉device->acpi_dev_path.subtype = 0x01;␊
168␉device->acpi_dev_path._HID = 0xd041030a;␊
169␉␊
170␉device->num_pci_devpaths = numpaths;␊
171␉device->length = 24 + (6*numpaths);␊
172␉␊
173␉int␉␉i; ␊
174␉␊
175␉for(i = 0; i < numpaths; i++)␊
176␉{␊
177␉␉device->pci_dev_path[i].length = 0x06;␊
178␉␉device->pci_dev_path[i].type = 0x01;␊
179␉␉device->pci_dev_path[i].subtype = 0x01;␊
180␉}␊
181␉␊
182␉device->path_end.length = 0x04;␊
183␉device->path_end.type = 0x7f;␊
184␉device->path_end.subtype = 0xff;␊
185␉␊
186␉device->string = string;␊
187␉device->data = NULL;␊
188␉string->length += device->length;␊
189␉␊
190␉if(!string->entries)␊
191␉{␊
192␉␉if((string->entries = (struct DevPropDevice**)malloc(sizeof(device)))== NULL)␊
193␉␉{␊
194 free(device);␊
195␉␉␉return NULL;␊
196␉␉}␊
197␉}␊
198␉␊
199 if((string->entries[string->numentries++] = (struct DevPropDevice*)malloc(sizeof(device)))== NULL)␊
200 {␊
201 free(device);␊
202 free(string->entries);␊
203 return NULL;␊
204 }␊
205␉string->entries[string->numentries-1] = device;␊
206␉␊
207␉return device;␊
208}␊
209␊
210int devprop_add_value(struct DevPropDevice *device, char *nm, uint8_t *vl, uint32_t len)␊
211{␊
212␉␊
213␉if(!nm || !vl || !len)␊
214␉{␊
215␉␉return 0;␊
216␉}␊
217␉␊
218␉uint32_t length = ((strlen(nm) * 2) + len + (2 * sizeof(uint32_t)) + 2);␊
219␉uint8_t *data = (uint8_t*)malloc(length);␊
220␉{␊
221␉␉if(!data)␊
222␉␉{␊
223␉␉␉return 0;␊
224␉␉}␊
225␉␉␊
226␉␉memset(data, 0, length);␊
227␉␉uint32_t off= 0;␊
228␉␉data[off+1] = ((strlen(nm) * 2) + 6) >> 8;␊
229␉␉data[off] = ((strlen(nm) * 2) + 6) & 0x00FF;␊
230␉␉␊
231␉␉off += 4;␊
232␉␉uint32_t i=0, l = strlen(nm);␊
233␉␉for(i = 0 ; i < l ; i++, off += 2)␊
234␉␉{␊
235␉␉␉data[off] = *nm++;␊
236␉␉}␊
237␉␉␊
238␉␉off += 2;␊
239␉␉l = len;␊
240␉␉uint32_t *datalength = (uint32_t*)&data[off];␊
241␉␉*datalength = l + 4;␊
242␉␉off += 4;␊
243␉␉for(i = 0 ; i < l ; i++, off++)␊
244␉␉{␊
245␉␉␉data[off] = *vl++;␊
246␉␉}␊
247␉}␉␊
248␉␊
249␉uint32_t offset = device->length - (24 + (6 * device->num_pci_devpaths));␊
250␉␊
251␉uint8_t *newdata = (uint8_t*)malloc((length + offset));␊
252␉if(!newdata)␊
253␉{␊
254␉␉return 0;␊
255␉}␊
256␉if(device->data)␊
257␉{␊
258␉␉if(offset > 1)␊
259␉␉{␊
260␉␉␉memcpy(newdata, device->data, offset);␊
261␉␉}␊
262␉}␊
263␉␊
264␉memcpy(newdata + offset, data, length);␊
265␉␊
266␉device->length += length;␊
267␉device->string->length += length;␊
268␉device->numentries++;␊
269␉␊
270␉if(!device->data)␊
271␉{␊
272␉␉//device->data = (uint8_t*)malloc(sizeof(uint8_t)); //IMHO this is useless␊
273␉}␊
274␉else␊
275␉{␊
276␉␉free(device->data);␊
277␉}␊
278␉␊
279␉free(data);␊
280␉device->data = newdata;␊
281␉␊
282␉return 1;␊
283}␊
284␊
285char *devprop_generate_string(struct DevPropString *string)␊
286{␊
287␉char *buffer = (char*)malloc(string->length * 2);␊
288␉char *ptr = buffer;␊
289␉␊
290␉if(!buffer)␊
291␉{␊
292␉␉return NULL;␊
293␉}␊
294␉␊
295␉sprintf(buffer, "%08x%08x%04x%04x", dp_swap32(string->length), string->WHAT2,␊
296␉␉␉dp_swap16(string->numentries), string->WHAT3);␊
297␉buffer += 24;␊
298␉int i = 0, x = 0;␊
299␉␊
300␉while(i < string->numentries)␊
301␉{␊
302␉␉sprintf(buffer, "%08x%04x%04x", dp_swap32(string->entries[i]->length),␊
303␉␉␉␉dp_swap16(string->entries[i]->numentries), string->entries[i]->WHAT2);␊
304␉␉␊
305␉␉buffer += 16;␊
306␉␉sprintf(buffer, "%02x%02x%04x%08x%08x", string->entries[i]->acpi_dev_path.type,␊
307␉␉␉␉string->entries[i]->acpi_dev_path.subtype,␊
308␉␉␉␉dp_swap16(string->entries[i]->acpi_dev_path.length),␊
309␉␉␉␉string->entries[i]->acpi_dev_path._HID,␊
310␉␉␉␉dp_swap32(string->entries[i]->acpi_dev_path._UID));␊
311␉␉␊
312␉␉buffer += 24;␊
313␉␉for(x=0;x < string->entries[i]->num_pci_devpaths; x++)␊
314␉␉{␊
315␉␉␉sprintf(buffer, "%02x%02x%04x%02x%02x", string->entries[i]->pci_dev_path[x].type,␊
316␉␉␉␉␉string->entries[i]->pci_dev_path[x].subtype,␊
317␉␉␉␉␉dp_swap16(string->entries[i]->pci_dev_path[x].length),␊
318␉␉␉␉␉string->entries[i]->pci_dev_path[x].function,␊
319␉␉␉␉␉string->entries[i]->pci_dev_path[x].device);␊
320␉␉␉buffer += 12;␊
321␉␉}␊
322␉␉␊
323␉␉sprintf(buffer, "%02x%02x%04x", string->entries[i]->path_end.type,␊
324␉␉␉␉string->entries[i]->path_end.subtype,␊
325␉␉␉␉dp_swap16(string->entries[i]->path_end.length));␊
326␉␉␊
327␉␉buffer += 8;␊
328␉␉uint8_t *dataptr = string->entries[i]->data;␊
329␉␉for(x = 0; (uint32_t)x < (string->entries[i]->length) - (24 + (6 * string->entries[i]->num_pci_devpaths)) ; x++)␊
330␉␉{␊
331␉␉␉sprintf(buffer, "%02x", *dataptr++);␊
332␉␉␉buffer += 2;␊
333␉␉}␊
334␉␉i++;␊
335␉}␊
336␉return ptr;␊
337}␊
338␊
339void devprop_free_string(struct DevPropString *string)␊
340{␊
341␉if(!string)␊
342␉{␊
343␉␉return;␊
344␉}␊
345␉␊
346␉int i;␊
347␉for(i = 0; i < string->numentries; i++)␊
348␉{␊
349␉␉if(string->entries[i])␊
350␉␉{␊
351␉␉␉if(string->entries[i]->data)␊
352␉␉␉{␊
353␉␉␉␉free(string->entries[i]->data);␊
354␉␉␉␉string->entries[i]->data = NULL;␊
355␉␉␉}␊
356␉␉␉free(string->entries[i]);␊
357␉␉␉string->entries[i] = NULL;␊
358␉␉}␊
359␉}␊
360␉␊
361␉free(string);␊
362␉string = NULL;␊
363}

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