drivers/char/tpm/tpm_vtpm_proxy.c

101

rc = copy_to_user(buf, proxy_dev->buffer, len);

drivers/char/tpm/tpm_vtpm_proxy.c

102

memset(proxy_dev->buffer, 0, len);

drivers/char/tpm/tpm_vtpm_proxy.c

103

proxy_dev->req_len = 0;

drivers/char/tpm/tpm_vtpm_proxy.c

106

proxy_dev->state |= STATE_WAIT_RESPONSE_FLAG;

drivers/char/tpm/tpm_vtpm_proxy.c

108

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

130

struct proxy_dev *proxy_dev = filp->private_data;

drivers/char/tpm/tpm_vtpm_proxy.c

132

mutex_lock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

134

if (!(proxy_dev->state & STATE_OPENED_FLAG)) {

drivers/char/tpm/tpm_vtpm_proxy.c

135

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

139

if (count > sizeof(proxy_dev->buffer) ||

drivers/char/tpm/tpm_vtpm_proxy.c

140

!(proxy_dev->state & STATE_WAIT_RESPONSE_FLAG)) {

drivers/char/tpm/tpm_vtpm_proxy.c

141

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

145

proxy_dev->state &= ~STATE_WAIT_RESPONSE_FLAG;

drivers/char/tpm/tpm_vtpm_proxy.c

147

proxy_dev->req_len = 0;

drivers/char/tpm/tpm_vtpm_proxy.c

149

if (copy_from_user(proxy_dev->buffer, buf, count)) {

drivers/char/tpm/tpm_vtpm_proxy.c

150

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

154

proxy_dev->resp_len = count;

drivers/char/tpm/tpm_vtpm_proxy.c

156

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

158

wake_up_interruptible(&proxy_dev->wq);

drivers/char/tpm/tpm_vtpm_proxy.c

173

struct proxy_dev *proxy_dev = filp->private_data;

drivers/char/tpm/tpm_vtpm_proxy.c

176

poll_wait(filp, &proxy_dev->wq, wait);

drivers/char/tpm/tpm_vtpm_proxy.c

180

mutex_lock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

182

if (proxy_dev->req_len)

drivers/char/tpm/tpm_vtpm_proxy.c

185

if (!(proxy_dev->state & STATE_OPENED_FLAG))

drivers/char/tpm/tpm_vtpm_proxy.c

188

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

202

struct proxy_dev *proxy_dev = filp->private_data;

drivers/char/tpm/tpm_vtpm_proxy.c

204

proxy_dev->state |= STATE_OPENED_FLAG;

drivers/char/tpm/tpm_vtpm_proxy.c

213

static void vtpm_proxy_fops_undo_open(struct proxy_dev *proxy_dev)

drivers/char/tpm/tpm_vtpm_proxy.c

215

mutex_lock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

217

proxy_dev->state &= ~STATE_OPENED_FLAG;

drivers/char/tpm/tpm_vtpm_proxy.c

219

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

222

wake_up_interruptible(&proxy_dev->wq);

drivers/char/tpm/tpm_vtpm_proxy.c

235

struct proxy_dev *proxy_dev = filp->private_data;

drivers/char/tpm/tpm_vtpm_proxy.c

239

vtpm_proxy_delete_device(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

268

struct proxy_dev *proxy_dev = dev_get_drvdata(&chip->dev);

drivers/char/tpm/tpm_vtpm_proxy.c

272

mutex_lock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

274

if (!(proxy_dev->state & STATE_OPENED_FLAG)) {

drivers/char/tpm/tpm_vtpm_proxy.c

275

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

279

len = proxy_dev->resp_len;

drivers/char/tpm/tpm_vtpm_proxy.c

288

memcpy(buf, proxy_dev->buffer, len);

drivers/char/tpm/tpm_vtpm_proxy.c

289

proxy_dev->resp_len = 0;

drivers/char/tpm/tpm_vtpm_proxy.c

292

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

333

struct proxy_dev *proxy_dev = dev_get_drvdata(&chip->dev);

drivers/char/tpm/tpm_vtpm_proxy.c

335

if (count > sizeof(proxy_dev->buffer)) {

drivers/char/tpm/tpm_vtpm_proxy.c

338

count, sizeof(proxy_dev->buffer));

drivers/char/tpm/tpm_vtpm_proxy.c

342

if (!(proxy_dev->state & STATE_DRIVER_COMMAND) &&

drivers/char/tpm/tpm_vtpm_proxy.c

346

mutex_lock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

348

if (!(proxy_dev->state & STATE_OPENED_FLAG)) {

drivers/char/tpm/tpm_vtpm_proxy.c

349

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

353

proxy_dev->resp_len = 0;

drivers/char/tpm/tpm_vtpm_proxy.c

355

proxy_dev->req_len = count;

drivers/char/tpm/tpm_vtpm_proxy.c

356

memcpy(proxy_dev->buffer, buf, count);

drivers/char/tpm/tpm_vtpm_proxy.c

358

proxy_dev->state &= ~STATE_WAIT_RESPONSE_FLAG;

drivers/char/tpm/tpm_vtpm_proxy.c

360

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

362

wake_up_interruptible(&proxy_dev->wq);

drivers/char/tpm/tpm_vtpm_proxy.c

374

struct proxy_dev *proxy_dev = dev_get_drvdata(&chip->dev);

drivers/char/tpm/tpm_vtpm_proxy.c

376

if (proxy_dev->resp_len)

drivers/char/tpm/tpm_vtpm_proxy.c

384

struct proxy_dev *proxy_dev = dev_get_drvdata(&chip->dev);

drivers/char/tpm/tpm_vtpm_proxy.c

387

mutex_lock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

389

ret = !(proxy_dev->state & STATE_OPENED_FLAG);

drivers/char/tpm/tpm_vtpm_proxy.c

391

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

401

struct proxy_dev *proxy_dev = dev_get_drvdata(&chip->dev);

drivers/char/tpm/tpm_vtpm_proxy.c

413

proxy_dev->state |= STATE_DRIVER_COMMAND;

drivers/char/tpm/tpm_vtpm_proxy.c

417

proxy_dev->state &= ~STATE_DRIVER_COMMAND;

drivers/char/tpm/tpm_vtpm_proxy.c

454

struct proxy_dev *proxy_dev = container_of(work, struct proxy_dev,

drivers/char/tpm/tpm_vtpm_proxy.c

458

rc = tpm_chip_register(proxy_dev->chip);

drivers/char/tpm/tpm_vtpm_proxy.c

460

vtpm_proxy_fops_undo_open(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

462

proxy_dev->state |= STATE_REGISTERED_FLAG;

drivers/char/tpm/tpm_vtpm_proxy.c

471

static void vtpm_proxy_work_stop(struct proxy_dev *proxy_dev)

drivers/char/tpm/tpm_vtpm_proxy.c

473

vtpm_proxy_fops_undo_open(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

474

flush_work(&proxy_dev->work);

drivers/char/tpm/tpm_vtpm_proxy.c

480

static inline void vtpm_proxy_work_start(struct proxy_dev *proxy_dev)

drivers/char/tpm/tpm_vtpm_proxy.c

482

queue_work(workqueue, &proxy_dev->work);

drivers/char/tpm/tpm_vtpm_proxy.c

488

static struct proxy_dev *vtpm_proxy_create_proxy_dev(void)

drivers/char/tpm/tpm_vtpm_proxy.c

490

struct proxy_dev *proxy_dev;

drivers/char/tpm/tpm_vtpm_proxy.c

494

proxy_dev = kzalloc_obj(*proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

495

if (proxy_dev == NULL)

drivers/char/tpm/tpm_vtpm_proxy.c

498

init_waitqueue_head(&proxy_dev->wq);

drivers/char/tpm/tpm_vtpm_proxy.c

499

mutex_init(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

500

INIT_WORK(&proxy_dev->work, vtpm_proxy_work);

drivers/char/tpm/tpm_vtpm_proxy.c

507

dev_set_drvdata(&chip->dev, proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

509

proxy_dev->chip = chip;

drivers/char/tpm/tpm_vtpm_proxy.c

511

return proxy_dev;

drivers/char/tpm/tpm_vtpm_proxy.c

514

kfree(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

522

static inline void vtpm_proxy_delete_proxy_dev(struct proxy_dev *proxy_dev)

drivers/char/tpm/tpm_vtpm_proxy.c

524

put_device(&proxy_dev->chip->dev); /* frees chip */

drivers/char/tpm/tpm_vtpm_proxy.c

525

kfree(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

537

struct proxy_dev *proxy_dev;

drivers/char/tpm/tpm_vtpm_proxy.c

544

proxy_dev = vtpm_proxy_create_proxy_dev();

drivers/char/tpm/tpm_vtpm_proxy.c

545

if (IS_ERR(proxy_dev))

drivers/char/tpm/tpm_vtpm_proxy.c

546

return ERR_CAST(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

548

proxy_dev->flags = vtpm_new_dev->flags;

drivers/char/tpm/tpm_vtpm_proxy.c

55

static void vtpm_proxy_delete_device(struct proxy_dev *proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

557

file = anon_inode_getfile("[vtpms]", &vtpm_proxy_fops, proxy_dev,

drivers/char/tpm/tpm_vtpm_proxy.c

568

if (proxy_dev->flags & VTPM_PROXY_FLAG_TPM2)

drivers/char/tpm/tpm_vtpm_proxy.c

569

proxy_dev->chip->flags |= TPM_CHIP_FLAG_TPM2;

drivers/char/tpm/tpm_vtpm_proxy.c

571

vtpm_proxy_work_start(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

574

vtpm_new_dev->major = MAJOR(proxy_dev->chip->dev.devt);

drivers/char/tpm/tpm_vtpm_proxy.c

575

vtpm_new_dev->minor = MINOR(proxy_dev->chip->dev.devt);

drivers/char/tpm/tpm_vtpm_proxy.c

576

vtpm_new_dev->tpm_num = proxy_dev->chip->dev_num;

drivers/char/tpm/tpm_vtpm_proxy.c

584

vtpm_proxy_delete_proxy_dev(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

592

static void vtpm_proxy_delete_device(struct proxy_dev *proxy_dev)

drivers/char/tpm/tpm_vtpm_proxy.c

594

vtpm_proxy_work_stop(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

601

vtpm_proxy_fops_undo_open(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

603

if (proxy_dev->state & STATE_REGISTERED_FLAG)

drivers/char/tpm/tpm_vtpm_proxy.c

604

tpm_chip_unregister(proxy_dev->chip);

drivers/char/tpm/tpm_vtpm_proxy.c

606

vtpm_proxy_delete_proxy_dev(proxy_dev);

drivers/char/tpm/tpm_vtpm_proxy.c

75

struct proxy_dev *proxy_dev = filp->private_data;

drivers/char/tpm/tpm_vtpm_proxy.c

79

sig = wait_event_interruptible(proxy_dev->wq,

drivers/char/tpm/tpm_vtpm_proxy.c

80

proxy_dev->req_len != 0 ||

drivers/char/tpm/tpm_vtpm_proxy.c

81

!(proxy_dev->state & STATE_OPENED_FLAG));

drivers/char/tpm/tpm_vtpm_proxy.c

85

mutex_lock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

87

if (!(proxy_dev->state & STATE_OPENED_FLAG)) {

drivers/char/tpm/tpm_vtpm_proxy.c

88

mutex_unlock(&proxy_dev->buf_lock);

drivers/char/tpm/tpm_vtpm_proxy.c

92

len = proxy_dev->req_len;

drivers/char/tpm/tpm_vtpm_proxy.c

94

if (count < len || len > sizeof(proxy_dev->buffer)) {

drivers/char/tpm/tpm_vtpm_proxy.c

95

mutex_unlock(&proxy_dev->buf_lock);