Loading...
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * AMD Secure Processor device driver
4 *
5 * Copyright (C) 2013,2019 Advanced Micro Devices, Inc.
6 *
7 * Author: Tom Lendacky <thomas.lendacky@amd.com>
8 * Author: Gary R Hook <gary.hook@amd.com>
9 */
10
11#include <linux/module.h>
12#include <linux/kernel.h>
13#include <linux/device.h>
14#include <linux/pci.h>
15#include <linux/pci_ids.h>
16#include <linux/dma-mapping.h>
17#include <linux/kthread.h>
18#include <linux/sched.h>
19#include <linux/interrupt.h>
20#include <linux/spinlock.h>
21#include <linux/delay.h>
22#include <linux/ccp.h>
23
24#include "ccp-dev.h"
25#include "psp-dev.h"
26
27#define MSIX_VECTORS 2
28
29struct sp_pci {
30 int msix_count;
31 struct msix_entry msix_entry[MSIX_VECTORS];
32};
33static struct sp_device *sp_dev_master;
34
35#define attribute_show(name, def) \
36static ssize_t name##_show(struct device *d, struct device_attribute *attr, \
37 char *buf) \
38{ \
39 struct sp_device *sp = dev_get_drvdata(d); \
40 struct psp_device *psp = sp->psp_data; \
41 int bit = PSP_SECURITY_##def << PSP_CAPABILITY_PSP_SECURITY_OFFSET; \
42 return sysfs_emit(buf, "%d\n", (psp->capability & bit) > 0); \
43}
44
45attribute_show(fused_part, FUSED_PART)
46static DEVICE_ATTR_RO(fused_part);
47attribute_show(debug_lock_on, DEBUG_LOCK_ON)
48static DEVICE_ATTR_RO(debug_lock_on);
49attribute_show(tsme_status, TSME_STATUS)
50static DEVICE_ATTR_RO(tsme_status);
51attribute_show(anti_rollback_status, ANTI_ROLLBACK_STATUS)
52static DEVICE_ATTR_RO(anti_rollback_status);
53attribute_show(rpmc_production_enabled, RPMC_PRODUCTION_ENABLED)
54static DEVICE_ATTR_RO(rpmc_production_enabled);
55attribute_show(rpmc_spirom_available, RPMC_SPIROM_AVAILABLE)
56static DEVICE_ATTR_RO(rpmc_spirom_available);
57attribute_show(hsp_tpm_available, HSP_TPM_AVAILABLE)
58static DEVICE_ATTR_RO(hsp_tpm_available);
59attribute_show(rom_armor_enforced, ROM_ARMOR_ENFORCED)
60static DEVICE_ATTR_RO(rom_armor_enforced);
61
62static struct attribute *psp_attrs[] = {
63 &dev_attr_fused_part.attr,
64 &dev_attr_debug_lock_on.attr,
65 &dev_attr_tsme_status.attr,
66 &dev_attr_anti_rollback_status.attr,
67 &dev_attr_rpmc_production_enabled.attr,
68 &dev_attr_rpmc_spirom_available.attr,
69 &dev_attr_hsp_tpm_available.attr,
70 &dev_attr_rom_armor_enforced.attr,
71 NULL
72};
73
74static umode_t psp_security_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
75{
76 struct device *dev = kobj_to_dev(kobj);
77 struct sp_device *sp = dev_get_drvdata(dev);
78 struct psp_device *psp = sp->psp_data;
79
80 if (psp && (psp->capability & PSP_CAPABILITY_PSP_SECURITY_REPORTING))
81 return 0444;
82
83 return 0;
84}
85
86static struct attribute_group psp_attr_group = {
87 .attrs = psp_attrs,
88 .is_visible = psp_security_is_visible,
89};
90
91static const struct attribute_group *psp_groups[] = {
92 &psp_attr_group,
93 NULL,
94};
95
96static int sp_get_msix_irqs(struct sp_device *sp)
97{
98 struct sp_pci *sp_pci = sp->dev_specific;
99 struct device *dev = sp->dev;
100 struct pci_dev *pdev = to_pci_dev(dev);
101 int v, ret;
102
103 for (v = 0; v < ARRAY_SIZE(sp_pci->msix_entry); v++)
104 sp_pci->msix_entry[v].entry = v;
105
106 ret = pci_enable_msix_range(pdev, sp_pci->msix_entry, 1, v);
107 if (ret < 0)
108 return ret;
109
110 sp_pci->msix_count = ret;
111 sp->use_tasklet = true;
112
113 sp->psp_irq = sp_pci->msix_entry[0].vector;
114 sp->ccp_irq = (sp_pci->msix_count > 1) ? sp_pci->msix_entry[1].vector
115 : sp_pci->msix_entry[0].vector;
116 return 0;
117}
118
119static int sp_get_msi_irq(struct sp_device *sp)
120{
121 struct device *dev = sp->dev;
122 struct pci_dev *pdev = to_pci_dev(dev);
123 int ret;
124
125 ret = pci_enable_msi(pdev);
126 if (ret)
127 return ret;
128
129 sp->ccp_irq = pdev->irq;
130 sp->psp_irq = pdev->irq;
131
132 return 0;
133}
134
135static int sp_get_irqs(struct sp_device *sp)
136{
137 struct device *dev = sp->dev;
138 int ret;
139
140 ret = sp_get_msix_irqs(sp);
141 if (!ret)
142 return 0;
143
144 /* Couldn't get MSI-X vectors, try MSI */
145 dev_notice(dev, "could not enable MSI-X (%d), trying MSI\n", ret);
146 ret = sp_get_msi_irq(sp);
147 if (!ret)
148 return 0;
149
150 /* Couldn't get MSI interrupt */
151 dev_notice(dev, "could not enable MSI (%d)\n", ret);
152
153 return ret;
154}
155
156static void sp_free_irqs(struct sp_device *sp)
157{
158 struct sp_pci *sp_pci = sp->dev_specific;
159 struct device *dev = sp->dev;
160 struct pci_dev *pdev = to_pci_dev(dev);
161
162 if (sp_pci->msix_count)
163 pci_disable_msix(pdev);
164 else if (sp->psp_irq)
165 pci_disable_msi(pdev);
166
167 sp->ccp_irq = 0;
168 sp->psp_irq = 0;
169}
170
171static bool sp_pci_is_master(struct sp_device *sp)
172{
173 struct device *dev_cur, *dev_new;
174 struct pci_dev *pdev_cur, *pdev_new;
175
176 dev_new = sp->dev;
177 dev_cur = sp_dev_master->dev;
178
179 pdev_new = to_pci_dev(dev_new);
180 pdev_cur = to_pci_dev(dev_cur);
181
182 if (pdev_new->bus->number < pdev_cur->bus->number)
183 return true;
184
185 if (PCI_SLOT(pdev_new->devfn) < PCI_SLOT(pdev_cur->devfn))
186 return true;
187
188 if (PCI_FUNC(pdev_new->devfn) < PCI_FUNC(pdev_cur->devfn))
189 return true;
190
191 return false;
192}
193
194static void psp_set_master(struct sp_device *sp)
195{
196 if (!sp_dev_master) {
197 sp_dev_master = sp;
198 return;
199 }
200
201 if (sp_pci_is_master(sp))
202 sp_dev_master = sp;
203}
204
205static struct sp_device *psp_get_master(void)
206{
207 return sp_dev_master;
208}
209
210static void psp_clear_master(struct sp_device *sp)
211{
212 if (sp == sp_dev_master) {
213 sp_dev_master = NULL;
214 dev_dbg(sp->dev, "Cleared sp_dev_master\n");
215 }
216}
217
218static int sp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
219{
220 struct sp_device *sp;
221 struct sp_pci *sp_pci;
222 struct device *dev = &pdev->dev;
223 void __iomem * const *iomap_table;
224 int bar_mask;
225 int ret;
226
227 ret = -ENOMEM;
228 sp = sp_alloc_struct(dev);
229 if (!sp)
230 goto e_err;
231
232 sp_pci = devm_kzalloc(dev, sizeof(*sp_pci), GFP_KERNEL);
233 if (!sp_pci)
234 goto e_err;
235
236 sp->dev_specific = sp_pci;
237 sp->dev_vdata = (struct sp_dev_vdata *)id->driver_data;
238 if (!sp->dev_vdata) {
239 ret = -ENODEV;
240 dev_err(dev, "missing driver data\n");
241 goto e_err;
242 }
243
244 ret = pcim_enable_device(pdev);
245 if (ret) {
246 dev_err(dev, "pcim_enable_device failed (%d)\n", ret);
247 goto e_err;
248 }
249
250 bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
251 ret = pcim_iomap_regions(pdev, bar_mask, "ccp");
252 if (ret) {
253 dev_err(dev, "pcim_iomap_regions failed (%d)\n", ret);
254 goto e_err;
255 }
256
257 iomap_table = pcim_iomap_table(pdev);
258 if (!iomap_table) {
259 dev_err(dev, "pcim_iomap_table failed\n");
260 ret = -ENOMEM;
261 goto e_err;
262 }
263
264 sp->io_map = iomap_table[sp->dev_vdata->bar];
265 if (!sp->io_map) {
266 dev_err(dev, "ioremap failed\n");
267 ret = -ENOMEM;
268 goto e_err;
269 }
270
271 ret = sp_get_irqs(sp);
272 if (ret)
273 goto e_err;
274
275 pci_set_master(pdev);
276 sp->set_psp_master_device = psp_set_master;
277 sp->get_psp_master_device = psp_get_master;
278 sp->clear_psp_master_device = psp_clear_master;
279
280 ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48));
281 if (ret) {
282 ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
283 if (ret) {
284 dev_err(dev, "dma_set_mask_and_coherent failed (%d)\n",
285 ret);
286 goto free_irqs;
287 }
288 }
289
290 dev_set_drvdata(dev, sp);
291
292 ret = sp_init(sp);
293 if (ret)
294 goto free_irqs;
295
296 return 0;
297
298free_irqs:
299 sp_free_irqs(sp);
300e_err:
301 dev_notice(dev, "initialization failed\n");
302 return ret;
303}
304
305static void sp_pci_shutdown(struct pci_dev *pdev)
306{
307 struct device *dev = &pdev->dev;
308 struct sp_device *sp = dev_get_drvdata(dev);
309
310 if (!sp)
311 return;
312
313 sp_destroy(sp);
314}
315
316static void sp_pci_remove(struct pci_dev *pdev)
317{
318 struct device *dev = &pdev->dev;
319 struct sp_device *sp = dev_get_drvdata(dev);
320
321 if (!sp)
322 return;
323
324 sp_destroy(sp);
325
326 sp_free_irqs(sp);
327}
328
329static int __maybe_unused sp_pci_suspend(struct device *dev)
330{
331 struct sp_device *sp = dev_get_drvdata(dev);
332
333 return sp_suspend(sp);
334}
335
336static int __maybe_unused sp_pci_resume(struct device *dev)
337{
338 struct sp_device *sp = dev_get_drvdata(dev);
339
340 return sp_resume(sp);
341}
342
343#ifdef CONFIG_CRYPTO_DEV_SP_PSP
344static const struct sev_vdata sevv1 = {
345 .cmdresp_reg = 0x10580,
346 .cmdbuff_addr_lo_reg = 0x105e0,
347 .cmdbuff_addr_hi_reg = 0x105e4,
348};
349
350static const struct sev_vdata sevv2 = {
351 .cmdresp_reg = 0x10980,
352 .cmdbuff_addr_lo_reg = 0x109e0,
353 .cmdbuff_addr_hi_reg = 0x109e4,
354};
355
356static const struct tee_vdata teev1 = {
357 .cmdresp_reg = 0x10544,
358 .cmdbuff_addr_lo_reg = 0x10548,
359 .cmdbuff_addr_hi_reg = 0x1054c,
360 .ring_wptr_reg = 0x10550,
361 .ring_rptr_reg = 0x10554,
362};
363
364static const struct psp_vdata pspv1 = {
365 .sev = &sevv1,
366 .feature_reg = 0x105fc,
367 .inten_reg = 0x10610,
368 .intsts_reg = 0x10614,
369};
370
371static const struct psp_vdata pspv2 = {
372 .sev = &sevv2,
373 .feature_reg = 0x109fc,
374 .inten_reg = 0x10690,
375 .intsts_reg = 0x10694,
376};
377
378static const struct psp_vdata pspv3 = {
379 .tee = &teev1,
380 .feature_reg = 0x109fc,
381 .inten_reg = 0x10690,
382 .intsts_reg = 0x10694,
383};
384
385static const struct psp_vdata pspv4 = {
386 .sev = &sevv2,
387 .tee = &teev1,
388 .feature_reg = 0x109fc,
389 .inten_reg = 0x10690,
390 .intsts_reg = 0x10694,
391};
392
393#endif
394
395static const struct sp_dev_vdata dev_vdata[] = {
396 { /* 0 */
397 .bar = 2,
398#ifdef CONFIG_CRYPTO_DEV_SP_CCP
399 .ccp_vdata = &ccpv3,
400#endif
401 },
402 { /* 1 */
403 .bar = 2,
404#ifdef CONFIG_CRYPTO_DEV_SP_CCP
405 .ccp_vdata = &ccpv5a,
406#endif
407#ifdef CONFIG_CRYPTO_DEV_SP_PSP
408 .psp_vdata = &pspv1,
409#endif
410 },
411 { /* 2 */
412 .bar = 2,
413#ifdef CONFIG_CRYPTO_DEV_SP_CCP
414 .ccp_vdata = &ccpv5b,
415#endif
416 },
417 { /* 3 */
418 .bar = 2,
419#ifdef CONFIG_CRYPTO_DEV_SP_CCP
420 .ccp_vdata = &ccpv5a,
421#endif
422#ifdef CONFIG_CRYPTO_DEV_SP_PSP
423 .psp_vdata = &pspv2,
424#endif
425 },
426 { /* 4 */
427 .bar = 2,
428#ifdef CONFIG_CRYPTO_DEV_SP_CCP
429 .ccp_vdata = &ccpv5a,
430#endif
431#ifdef CONFIG_CRYPTO_DEV_SP_PSP
432 .psp_vdata = &pspv3,
433#endif
434 },
435 { /* 5 */
436 .bar = 2,
437#ifdef CONFIG_CRYPTO_DEV_SP_PSP
438 .psp_vdata = &pspv4,
439#endif
440 },
441 { /* 6 */
442 .bar = 2,
443#ifdef CONFIG_CRYPTO_DEV_SP_PSP
444 .psp_vdata = &pspv3,
445#endif
446 },
447};
448static const struct pci_device_id sp_pci_table[] = {
449 { PCI_VDEVICE(AMD, 0x1537), (kernel_ulong_t)&dev_vdata[0] },
450 { PCI_VDEVICE(AMD, 0x1456), (kernel_ulong_t)&dev_vdata[1] },
451 { PCI_VDEVICE(AMD, 0x1468), (kernel_ulong_t)&dev_vdata[2] },
452 { PCI_VDEVICE(AMD, 0x1486), (kernel_ulong_t)&dev_vdata[3] },
453 { PCI_VDEVICE(AMD, 0x15DF), (kernel_ulong_t)&dev_vdata[4] },
454 { PCI_VDEVICE(AMD, 0x1649), (kernel_ulong_t)&dev_vdata[4] },
455 { PCI_VDEVICE(AMD, 0x14CA), (kernel_ulong_t)&dev_vdata[5] },
456 { PCI_VDEVICE(AMD, 0x15C7), (kernel_ulong_t)&dev_vdata[6] },
457 /* Last entry must be zero */
458 { 0, }
459};
460MODULE_DEVICE_TABLE(pci, sp_pci_table);
461
462static SIMPLE_DEV_PM_OPS(sp_pci_pm_ops, sp_pci_suspend, sp_pci_resume);
463
464static struct pci_driver sp_pci_driver = {
465 .name = "ccp",
466 .id_table = sp_pci_table,
467 .probe = sp_pci_probe,
468 .remove = sp_pci_remove,
469 .shutdown = sp_pci_shutdown,
470 .driver.pm = &sp_pci_pm_ops,
471 .dev_groups = psp_groups,
472};
473
474int sp_pci_init(void)
475{
476 return pci_register_driver(&sp_pci_driver);
477}
478
479void sp_pci_exit(void)
480{
481 pci_unregister_driver(&sp_pci_driver);
482}
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * AMD Secure Processor device driver
4 *
5 * Copyright (C) 2013,2019 Advanced Micro Devices, Inc.
6 *
7 * Author: Tom Lendacky <thomas.lendacky@amd.com>
8 * Author: Gary R Hook <gary.hook@amd.com>
9 */
10
11#include <linux/module.h>
12#include <linux/kernel.h>
13#include <linux/device.h>
14#include <linux/pci.h>
15#include <linux/pci_ids.h>
16#include <linux/dma-mapping.h>
17#include <linux/kthread.h>
18#include <linux/sched.h>
19#include <linux/interrupt.h>
20#include <linux/spinlock.h>
21#include <linux/delay.h>
22#include <linux/ccp.h>
23
24#include "ccp-dev.h"
25#include "psp-dev.h"
26
27#define MSIX_VECTORS 2
28
29struct sp_pci {
30 int msix_count;
31 struct msix_entry msix_entry[MSIX_VECTORS];
32};
33static struct sp_device *sp_dev_master;
34
35static int sp_get_msix_irqs(struct sp_device *sp)
36{
37 struct sp_pci *sp_pci = sp->dev_specific;
38 struct device *dev = sp->dev;
39 struct pci_dev *pdev = to_pci_dev(dev);
40 int v, ret;
41
42 for (v = 0; v < ARRAY_SIZE(sp_pci->msix_entry); v++)
43 sp_pci->msix_entry[v].entry = v;
44
45 ret = pci_enable_msix_range(pdev, sp_pci->msix_entry, 1, v);
46 if (ret < 0)
47 return ret;
48
49 sp_pci->msix_count = ret;
50 sp->use_tasklet = true;
51
52 sp->psp_irq = sp_pci->msix_entry[0].vector;
53 sp->ccp_irq = (sp_pci->msix_count > 1) ? sp_pci->msix_entry[1].vector
54 : sp_pci->msix_entry[0].vector;
55 return 0;
56}
57
58static int sp_get_msi_irq(struct sp_device *sp)
59{
60 struct device *dev = sp->dev;
61 struct pci_dev *pdev = to_pci_dev(dev);
62 int ret;
63
64 ret = pci_enable_msi(pdev);
65 if (ret)
66 return ret;
67
68 sp->ccp_irq = pdev->irq;
69 sp->psp_irq = pdev->irq;
70
71 return 0;
72}
73
74static int sp_get_irqs(struct sp_device *sp)
75{
76 struct device *dev = sp->dev;
77 int ret;
78
79 ret = sp_get_msix_irqs(sp);
80 if (!ret)
81 return 0;
82
83 /* Couldn't get MSI-X vectors, try MSI */
84 dev_notice(dev, "could not enable MSI-X (%d), trying MSI\n", ret);
85 ret = sp_get_msi_irq(sp);
86 if (!ret)
87 return 0;
88
89 /* Couldn't get MSI interrupt */
90 dev_notice(dev, "could not enable MSI (%d)\n", ret);
91
92 return ret;
93}
94
95static void sp_free_irqs(struct sp_device *sp)
96{
97 struct sp_pci *sp_pci = sp->dev_specific;
98 struct device *dev = sp->dev;
99 struct pci_dev *pdev = to_pci_dev(dev);
100
101 if (sp_pci->msix_count)
102 pci_disable_msix(pdev);
103 else if (sp->psp_irq)
104 pci_disable_msi(pdev);
105
106 sp->ccp_irq = 0;
107 sp->psp_irq = 0;
108}
109
110static bool sp_pci_is_master(struct sp_device *sp)
111{
112 struct device *dev_cur, *dev_new;
113 struct pci_dev *pdev_cur, *pdev_new;
114
115 dev_new = sp->dev;
116 dev_cur = sp_dev_master->dev;
117
118 pdev_new = to_pci_dev(dev_new);
119 pdev_cur = to_pci_dev(dev_cur);
120
121 if (pdev_new->bus->number < pdev_cur->bus->number)
122 return true;
123
124 if (PCI_SLOT(pdev_new->devfn) < PCI_SLOT(pdev_cur->devfn))
125 return true;
126
127 if (PCI_FUNC(pdev_new->devfn) < PCI_FUNC(pdev_cur->devfn))
128 return true;
129
130 return false;
131}
132
133static void psp_set_master(struct sp_device *sp)
134{
135 if (!sp_dev_master) {
136 sp_dev_master = sp;
137 return;
138 }
139
140 if (sp_pci_is_master(sp))
141 sp_dev_master = sp;
142}
143
144static struct sp_device *psp_get_master(void)
145{
146 return sp_dev_master;
147}
148
149static void psp_clear_master(struct sp_device *sp)
150{
151 if (sp == sp_dev_master) {
152 sp_dev_master = NULL;
153 dev_dbg(sp->dev, "Cleared sp_dev_master\n");
154 }
155}
156
157static int sp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
158{
159 struct sp_device *sp;
160 struct sp_pci *sp_pci;
161 struct device *dev = &pdev->dev;
162 void __iomem * const *iomap_table;
163 int bar_mask;
164 int ret;
165
166 ret = -ENOMEM;
167 sp = sp_alloc_struct(dev);
168 if (!sp)
169 goto e_err;
170
171 sp_pci = devm_kzalloc(dev, sizeof(*sp_pci), GFP_KERNEL);
172 if (!sp_pci)
173 goto e_err;
174
175 sp->dev_specific = sp_pci;
176 sp->dev_vdata = (struct sp_dev_vdata *)id->driver_data;
177 if (!sp->dev_vdata) {
178 ret = -ENODEV;
179 dev_err(dev, "missing driver data\n");
180 goto e_err;
181 }
182
183 ret = pcim_enable_device(pdev);
184 if (ret) {
185 dev_err(dev, "pcim_enable_device failed (%d)\n", ret);
186 goto e_err;
187 }
188
189 bar_mask = pci_select_bars(pdev, IORESOURCE_MEM);
190 ret = pcim_iomap_regions(pdev, bar_mask, "ccp");
191 if (ret) {
192 dev_err(dev, "pcim_iomap_regions failed (%d)\n", ret);
193 goto e_err;
194 }
195
196 iomap_table = pcim_iomap_table(pdev);
197 if (!iomap_table) {
198 dev_err(dev, "pcim_iomap_table failed\n");
199 ret = -ENOMEM;
200 goto e_err;
201 }
202
203 sp->io_map = iomap_table[sp->dev_vdata->bar];
204 if (!sp->io_map) {
205 dev_err(dev, "ioremap failed\n");
206 ret = -ENOMEM;
207 goto e_err;
208 }
209
210 ret = sp_get_irqs(sp);
211 if (ret)
212 goto e_err;
213
214 pci_set_master(pdev);
215 sp->set_psp_master_device = psp_set_master;
216 sp->get_psp_master_device = psp_get_master;
217 sp->clear_psp_master_device = psp_clear_master;
218
219 ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(48));
220 if (ret) {
221 ret = dma_set_mask_and_coherent(dev, DMA_BIT_MASK(32));
222 if (ret) {
223 dev_err(dev, "dma_set_mask_and_coherent failed (%d)\n",
224 ret);
225 goto e_err;
226 }
227 }
228
229 dev_set_drvdata(dev, sp);
230
231 ret = sp_init(sp);
232 if (ret)
233 goto e_err;
234
235 return 0;
236
237e_err:
238 dev_notice(dev, "initialization failed\n");
239 return ret;
240}
241
242static void sp_pci_remove(struct pci_dev *pdev)
243{
244 struct device *dev = &pdev->dev;
245 struct sp_device *sp = dev_get_drvdata(dev);
246
247 if (!sp)
248 return;
249
250 sp_destroy(sp);
251
252 sp_free_irqs(sp);
253}
254
255static int __maybe_unused sp_pci_suspend(struct device *dev)
256{
257 struct sp_device *sp = dev_get_drvdata(dev);
258
259 return sp_suspend(sp);
260}
261
262static int __maybe_unused sp_pci_resume(struct device *dev)
263{
264 struct sp_device *sp = dev_get_drvdata(dev);
265
266 return sp_resume(sp);
267}
268
269#ifdef CONFIG_CRYPTO_DEV_SP_PSP
270static const struct sev_vdata sevv1 = {
271 .cmdresp_reg = 0x10580,
272 .cmdbuff_addr_lo_reg = 0x105e0,
273 .cmdbuff_addr_hi_reg = 0x105e4,
274};
275
276static const struct sev_vdata sevv2 = {
277 .cmdresp_reg = 0x10980,
278 .cmdbuff_addr_lo_reg = 0x109e0,
279 .cmdbuff_addr_hi_reg = 0x109e4,
280};
281
282static const struct tee_vdata teev1 = {
283 .cmdresp_reg = 0x10544,
284 .cmdbuff_addr_lo_reg = 0x10548,
285 .cmdbuff_addr_hi_reg = 0x1054c,
286 .ring_wptr_reg = 0x10550,
287 .ring_rptr_reg = 0x10554,
288};
289
290static const struct psp_vdata pspv1 = {
291 .sev = &sevv1,
292 .feature_reg = 0x105fc,
293 .inten_reg = 0x10610,
294 .intsts_reg = 0x10614,
295};
296
297static const struct psp_vdata pspv2 = {
298 .sev = &sevv2,
299 .feature_reg = 0x109fc,
300 .inten_reg = 0x10690,
301 .intsts_reg = 0x10694,
302};
303
304static const struct psp_vdata pspv3 = {
305 .tee = &teev1,
306 .feature_reg = 0x109fc,
307 .inten_reg = 0x10690,
308 .intsts_reg = 0x10694,
309};
310#endif
311
312static const struct sp_dev_vdata dev_vdata[] = {
313 { /* 0 */
314 .bar = 2,
315#ifdef CONFIG_CRYPTO_DEV_SP_CCP
316 .ccp_vdata = &ccpv3,
317#endif
318 },
319 { /* 1 */
320 .bar = 2,
321#ifdef CONFIG_CRYPTO_DEV_SP_CCP
322 .ccp_vdata = &ccpv5a,
323#endif
324#ifdef CONFIG_CRYPTO_DEV_SP_PSP
325 .psp_vdata = &pspv1,
326#endif
327 },
328 { /* 2 */
329 .bar = 2,
330#ifdef CONFIG_CRYPTO_DEV_SP_CCP
331 .ccp_vdata = &ccpv5b,
332#endif
333 },
334 { /* 3 */
335 .bar = 2,
336#ifdef CONFIG_CRYPTO_DEV_SP_CCP
337 .ccp_vdata = &ccpv5a,
338#endif
339#ifdef CONFIG_CRYPTO_DEV_SP_PSP
340 .psp_vdata = &pspv2,
341#endif
342 },
343 { /* 4 */
344 .bar = 2,
345#ifdef CONFIG_CRYPTO_DEV_SP_CCP
346 .ccp_vdata = &ccpv5a,
347#endif
348#ifdef CONFIG_CRYPTO_DEV_SP_PSP
349 .psp_vdata = &pspv3,
350#endif
351 },
352};
353static const struct pci_device_id sp_pci_table[] = {
354 { PCI_VDEVICE(AMD, 0x1537), (kernel_ulong_t)&dev_vdata[0] },
355 { PCI_VDEVICE(AMD, 0x1456), (kernel_ulong_t)&dev_vdata[1] },
356 { PCI_VDEVICE(AMD, 0x1468), (kernel_ulong_t)&dev_vdata[2] },
357 { PCI_VDEVICE(AMD, 0x1486), (kernel_ulong_t)&dev_vdata[3] },
358 { PCI_VDEVICE(AMD, 0x15DF), (kernel_ulong_t)&dev_vdata[4] },
359 /* Last entry must be zero */
360 { 0, }
361};
362MODULE_DEVICE_TABLE(pci, sp_pci_table);
363
364static SIMPLE_DEV_PM_OPS(sp_pci_pm_ops, sp_pci_suspend, sp_pci_resume);
365
366static struct pci_driver sp_pci_driver = {
367 .name = "ccp",
368 .id_table = sp_pci_table,
369 .probe = sp_pci_probe,
370 .remove = sp_pci_remove,
371 .driver.pm = &sp_pci_pm_ops,
372};
373
374int sp_pci_init(void)
375{
376 return pci_register_driver(&sp_pci_driver);
377}
378
379void sp_pci_exit(void)
380{
381 pci_unregister_driver(&sp_pci_driver);
382}