typedef enum ap_sm_wait (ap_func_t)(struct ap_queue *queue);
-/* failure injection cmd struct */
-struct ap_fi {
- union {
- u16 cmd; /* fi flags + action */
- struct {
- u8 flags; /* fi flags only */
- u8 action; /* fi action only */
- };
- };
-};
-
-/* all currently known fi actions */
-enum ap_fi_actions {
- AP_FI_ACTION_CCA_AGENT_FF = 0x01,
- AP_FI_ACTION_CCA_DOM_INVAL = 0x02,
- AP_FI_ACTION_NQAP_QID_INVAL = 0x03,
-};
-
-/* all currently known fi flags */
-enum ap_fi_flags {
- AP_FI_FLAG_NO_RETRY = 0x01,
- AP_FI_FLAG_TOGGLE_SPECIAL = 0x02,
-};
-
struct ap_message {
struct list_head list; /* Request queueing. */
unsigned long psmid; /* Message id. */
size_t len; /* actual msg len in msg buffer */
size_t bufsize; /* allocated msg buffer size */
u16 flags; /* Flags, see AP_MSG_FLAG_xxx */
- struct ap_fi fi; /* Failure Injection cmd */
int rc; /* Return code for this message */
void *private; /* ap driver private pointer. */
/* receive is called from tasklet context */
ap_init_message(&ap_msg);
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (tr && tr->fi.cmd)
- ap_msg.fi.cmd = tr->fi.cmd;
-#endif
-
if (mex->outputdatalength < mex->inputdatalength) {
func_code = 0;
rc = -EINVAL;
ap_init_message(&ap_msg);
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (tr && tr->fi.cmd)
- ap_msg.fi.cmd = tr->fi.cmd;
-#endif
-
if (crt->outputdatalength < crt->inputdatalength) {
func_code = 0;
rc = -EINVAL;
xcrb->status = 0;
ap_init_message(&ap_msg);
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (tr && tr->fi.cmd)
- ap_msg.fi.cmd = tr->fi.cmd;
- if (tr && tr->fi.action == AP_FI_ACTION_CCA_AGENT_FF) {
- ZCRYPT_DBF_WARN("%s fi cmd 0x%04x: forcing invalid agent_ID 'FF'\n",
- __func__, tr->fi.cmd);
- xcrb->agent_ID = 0x4646;
- }
-#endif
-
rc = prep_cca_ap_msg(userspace, xcrb, &ap_msg, &func_code, &domain);
if (rc)
goto out;
if (*domain == AUTOSEL_DOM)
*domain = AP_QID_QUEUE(qid);
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (tr && tr->fi.action == AP_FI_ACTION_CCA_DOM_INVAL) {
- ZCRYPT_DBF_WARN("%s fi cmd 0x%04x: forcing invalid domain\n",
- __func__, tr->fi.cmd);
- *domain = 99;
- }
-#endif
-
rc = pref_zq->ops->send_cprb(userspace, pref_zq, xcrb, &ap_msg);
spin_lock(&zcrypt_list_lock);
ap_init_message(&ap_msg);
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (tr && tr->fi.cmd)
- ap_msg.fi.cmd = tr->fi.cmd;
-#endif
-
target_num = (unsigned short)xcrb->targets_num;
/* empty list indicates autoselect (all available targets) */
if (copy_from_user(&mex, umex, sizeof(mex)))
return -EFAULT;
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (mex.inputdatalength & (1U << 31)) {
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- tr.fi.cmd = (u16)(mex.inputdatalength >> 16);
- }
- mex.inputdatalength &= 0x0000FFFF;
-#endif
-
do {
rc = zcrypt_rsa_modexpo(perms, &tr, &mex);
if (rc == -EAGAIN)
tr.again_counter++;
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (rc == -EAGAIN && (tr.fi.flags & AP_FI_FLAG_NO_RETRY))
- break;
-#endif
} while (rc == -EAGAIN && tr.again_counter < TRACK_AGAIN_MAX);
/* on failure: retry once again after a requested rescan */
if ((rc == -ENODEV) && (zcrypt_process_rescan()))
if (copy_from_user(&crt, ucrt, sizeof(crt)))
return -EFAULT;
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (crt.inputdatalength & (1U << 31)) {
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- tr.fi.cmd = (u16)(crt.inputdatalength >> 16);
- }
- crt.inputdatalength &= 0x0000FFFF;
-#endif
-
do {
rc = zcrypt_rsa_crt(perms, &tr, &crt);
if (rc == -EAGAIN)
tr.again_counter++;
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (rc == -EAGAIN && (tr.fi.flags & AP_FI_FLAG_NO_RETRY))
- break;
-#endif
} while (rc == -EAGAIN && tr.again_counter < TRACK_AGAIN_MAX);
/* on failure: retry once again after a requested rescan */
if ((rc == -ENODEV) && (zcrypt_process_rescan()))
if (copy_from_user(&xcrb, uxcrb, sizeof(xcrb)))
return -EFAULT;
-#ifdef CONFIG_ZCRYPT_DEBUG
- if ((xcrb.status & 0x8000FFFF) == 0x80004649 /* 'FI' */) {
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- tr.fi.cmd = (u16)(xcrb.status >> 16);
- }
- xcrb.status = 0;
-#endif
-
do {
rc = _zcrypt_send_cprb(true, perms, &tr, &xcrb);
if (rc == -EAGAIN)
tr.again_counter++;
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (rc == -EAGAIN && (tr.fi.flags & AP_FI_FLAG_NO_RETRY))
- break;
-#endif
} while (rc == -EAGAIN && tr.again_counter < TRACK_AGAIN_MAX);
/* on failure: retry once again after a requested rescan */
if ((rc == -ENODEV) && (zcrypt_process_rescan()))
if (copy_from_user(&xcrb, uxcrb, sizeof(xcrb)))
return -EFAULT;
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (xcrb.req_len & (1ULL << 63)) {
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
- tr.fi.cmd = (u16)(xcrb.req_len >> 48);
- }
- xcrb.req_len &= 0x0000FFFFFFFFFFFFULL;
-#endif
-
do {
rc = _zcrypt_send_ep11_cprb(true, perms, &tr, &xcrb);
if (rc == -EAGAIN)
tr.again_counter++;
-#ifdef CONFIG_ZCRYPT_DEBUG
- if (rc == -EAGAIN && (tr.fi.flags & AP_FI_FLAG_NO_RETRY))
- break;
-#endif
} while (rc == -EAGAIN && tr.again_counter < TRACK_AGAIN_MAX);
/* on failure: retry once again after a requested rescan */
if ((rc == -ENODEV) && (zcrypt_process_rescan()))