diff options
| -rw-r--r-- | block/sed-opal.c | 418 |
1 files changed, 163 insertions, 255 deletions
diff --git a/block/sed-opal.c b/block/sed-opal.c index 4fc4d7b441d5..893557554cc5 100644 --- a/block/sed-opal.c +++ b/block/sed-opal.c @@ -34,7 +34,11 @@ #define IO_BUFFER_LENGTH 2048 #define MAX_TOKS 64 -typedef int (*opal_step)(struct opal_dev *dev); +struct opal_step { + int (*fn)(struct opal_dev *dev, void *data); + void *data; +}; +typedef int (cont_fn)(struct opal_dev *dev); enum opal_atom_width { OPAL_WIDTH_TINY, @@ -80,9 +84,7 @@ struct opal_dev { void *data; sec_send_recv *send_recv; - const opal_step *funcs; - void **func_data; - int state; + const struct opal_step *steps; struct mutex dev_lock; u16 comid; u32 hsn; @@ -213,8 +215,6 @@ static const u8 opalmethod[][OPAL_UID_LENGTH] = { { 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x08, 0x03 }, }; -typedef int (cont_fn)(struct opal_dev *dev); - static int end_opal_session_error(struct opal_dev *dev); struct opal_suspend_data { @@ -375,18 +375,18 @@ static void check_geometry(struct opal_dev *dev, const void *data) static int next(struct opal_dev *dev) { - opal_step func; - int error = 0; + const struct opal_step *step; + int state = 0, error = 0; do { - func = dev->funcs[dev->state]; - if (!func) + step = &dev->steps[state]; + if (!step->fn) break; - error = func(dev); + error = step->fn(dev, step->data); if (error) { pr_err("Error on step function: %d with error %d: %s\n", - dev->state, error, + state, error, opal_error_to_human(error)); /* For each OPAL command we do a discovery0 then we @@ -396,10 +396,10 @@ static int next(struct opal_dev *dev) * session. Therefore we shouldn't attempt to terminate * a session, as one has not yet been created. */ - if (dev->state > 1) + if (state > 1) return end_opal_session_error(dev); } - dev->state++; + state++; } while (!error); return error; @@ -483,7 +483,7 @@ static int opal_discovery0_end(struct opal_dev *dev) return 0; } -static int opal_discovery0(struct opal_dev *dev) +static int opal_discovery0(struct opal_dev *dev, void *data) { int ret; @@ -1018,7 +1018,7 @@ static int finalize_and_send(struct opal_dev *dev, cont_fn cont) return opal_send_recv(dev, cont); } -static int gen_key(struct opal_dev *dev) +static int gen_key(struct opal_dev *dev, void *data) { const u8 *method; u8 uid[OPAL_UID_LENGTH]; @@ -1072,15 +1072,14 @@ static int get_active_key_cont(struct opal_dev *dev) return 0; } -static int get_active_key(struct opal_dev *dev) +static int get_active_key(struct opal_dev *dev, void *data) { u8 uid[OPAL_UID_LENGTH]; int err = 0; - u8 *lr; + u8 *lr = data; clear_opal_cmd(dev); set_comid(dev, dev->comid); - lr = dev->func_data[dev->state]; err = build_locking_range(uid, sizeof(uid), *lr); if (err) @@ -1163,17 +1162,16 @@ static inline int enable_global_lr(struct opal_dev *dev, u8 *uid, return err; } -static int setup_locking_range(struct opal_dev *dev) +static int setup_locking_range(struct opal_dev *dev, void *data) { u8 uid[OPAL_UID_LENGTH]; - struct opal_user_lr_setup *setup; + struct opal_user_lr_setup *setup = data; u8 lr; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); - setup = dev->func_data[dev->state]; lr = setup->session.opal_key.lr; err = build_locking_range(uid, sizeof(uid), lr); if (err) @@ -1286,20 +1284,19 @@ static int start_generic_opal_session(struct opal_dev *dev, return finalize_and_send(dev, start_opal_session_cont); } -static int start_anybodyASP_opal_session(struct opal_dev *dev) +static int start_anybodyASP_opal_session(struct opal_dev *dev, void *data) { return start_generic_opal_session(dev, OPAL_ANYBODY_UID, OPAL_ADMINSP_UID, NULL, 0); } -static int start_SIDASP_opal_session(struct opal_dev *dev) +static int start_SIDASP_opal_session(struct opal_dev *dev, void *data) { int ret; const u8 *key = dev->prev_data; - struct opal_key *okey; if (!key) { - okey = dev->func_data[dev->state]; + const struct opal_key *okey = data; ret = start_generic_opal_session(dev, OPAL_SID_UID, OPAL_ADMINSP_UID, okey->key, @@ -1314,22 +1311,21 @@ static int start_SIDASP_opal_session(struct opal_dev *dev) return ret; } -static inline int start_admin1LSP_opal_session(struct opal_dev *dev) +static int start_admin1LSP_opal_session(struct opal_dev *dev, void *data) { - struct opal_key *key = dev->func_data[dev->state]; - + struct opal_key *key = data; return start_generic_opal_session(dev, OPAL_ADMIN1_UID, OPAL_LOCKINGSP_UID, key->key, key->key_len); } -static int start_auth_opal_session(struct opal_dev *dev) +static int start_auth_opal_session(struct opal_dev *dev, void *data) { + struct opal_session_info *session = data; u8 lk_ul_user[OPAL_UID_LENGTH]; + size_t keylen = session->opal_key.key_len; int err = 0; - struct opal_session_info *session = dev->func_data[dev->state]; - size_t keylen = session->opal_key.key_len; u8 *key = session->opal_key.key; u32 hsn = GENERIC_HOST_SESSION_NUM; @@ -1379,7 +1375,7 @@ static int start_auth_opal_session(struct opal_dev *dev) return finalize_and_send(dev, start_opal_session_cont); } -static int revert_tper(struct opal_dev *dev) +static int revert_tper(struct opal_dev *dev, void *data) { int err = 0; @@ -1401,9 +1397,9 @@ static int revert_tper(struct opal_dev *dev) return finalize_and_send(dev, parse_and_check_status); } -static int internal_activate_user(struct opal_dev *dev) +static int internal_activate_user(struct opal_dev *dev, void *data) { - struct opal_session_info *session = dev->func_data[dev->state]; + struct opal_session_info *session = data; u8 uid[OPAL_UID_LENGTH]; int err = 0; @@ -1436,15 +1432,14 @@ static int internal_activate_user(struct opal_dev *dev) return finalize_and_send(dev, parse_and_check_status); } -static int erase_locking_range(struct opal_dev *dev) +static int erase_locking_range(struct opal_dev *dev, void *data) { - struct opal_session_info *session; + struct opal_session_info *session = data; u8 uid[OPAL_UID_LENGTH]; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); - session = dev->func_data[dev->state]; if (build_locking_range(uid, sizeof(uid), session->opal_key.lr) < 0) return -ERANGE; @@ -1463,9 +1458,9 @@ static int erase_locking_range(struct opal_dev *dev) return finalize_and_send(dev, parse_and_check_status); } -static int set_mbr_done(struct opal_dev *dev) +static int set_mbr_done(struct opal_dev *dev, void *data) { - u8 mbr_done_tf = *(u8 *)dev->func_data[dev->state]; + u8 *mbr_done_tf = data; int err = 0; clear_opal_cmd(dev); @@ -1481,7 +1476,7 @@ static int set_mbr_done(struct opal_dev *dev) add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 2); /* Done */ - add_token_u8(&err, dev, mbr_done_tf); /* Done T or F */ + add_token_u8(&err, dev, *mbr_done_tf); /* Done T or F */ add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); @@ -1495,9 +1490,9 @@ static int set_mbr_done(struct opal_dev *dev) return finalize_and_send(dev, parse_and_check_status); } -static int set_mbr_enable_disable(struct opal_dev *dev) +static int set_mbr_enable_disable(struct opal_dev *dev, void *data) { - u8 mbr_en_dis = *(u8 *)dev->func_data[dev->state]; + u8 *mbr_en_dis = data; int err = 0; clear_opal_cmd(dev); @@ -1513,7 +1508,7 @@ static int set_mbr_enable_disable(struct opal_dev *dev) add_token_u8(&err, dev, OPAL_STARTLIST); add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, 1); - add_token_u8(&err, dev, mbr_en_dis); + add_token_u8(&err, dev, *mbr_en_dis); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); add_token_u8(&err, dev, OPAL_ENDNAME); @@ -1554,11 +1549,10 @@ static int generic_pw_cmd(u8 *key, size_t key_len, u8 *cpin_uid, return err; } -static int set_new_pw(struct opal_dev *dev) +static int set_new_pw(struct opal_dev *dev, void *data) { u8 cpin_uid[OPAL_UID_LENGTH]; - struct opal_session_info *usr = dev->func_data[dev->state]; - + struct opal_session_info *usr = data; memcpy(cpin_uid, opaluid[OPAL_C_PIN_ADMIN1], OPAL_UID_LENGTH); @@ -1579,10 +1573,10 @@ static int set_new_pw(struct opal_dev *dev) return finalize_and_send(dev, parse_and_check_status); } -static int set_sid_cpin_pin(struct opal_dev *dev) +static int set_sid_cpin_pin(struct opal_dev *dev, void *data) { u8 cpin_uid[OPAL_UID_LENGTH]; - struct opal_key *key = dev->func_data[dev->state]; + struct opal_key *key = data; memcpy(cpin_uid, opaluid[OPAL_C_PIN_SID], OPAL_UID_LENGTH); @@ -1593,18 +1587,16 @@ static int set_sid_cpin_pin(struct opal_dev *dev) return finalize_and_send(dev, parse_and_check_status); } -static int add_user_to_lr(struct opal_dev *dev) +static int add_user_to_lr(struct opal_dev *dev, void *data) { u8 lr_buffer[OPAL_UID_LENGTH]; u8 user_uid[OPAL_UID_LENGTH]; - struct opal_lock_unlock *lkul; + struct opal_lock_unlock *lkul = data; int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); - lkul = dev->func_data[dev->state]; - memcpy(lr_buffer, opaluid[OPAL_LOCKINGRANGE_ACE_RDLOCKED], OPAL_UID_LENGTH); @@ -1671,11 +1663,11 @@ static int add_user_to_lr(struct opal_dev *dev) return finalize_and_send(dev, parse_and_check_status); } -static int lock_unlock_locking_range(struct opal_dev *dev) +static int lock_unlock_locking_range(struct opal_dev *dev, void *data) { u8 lr_buffer[OPAL_UID_LENGTH]; const u8 *method; - struct opal_lock_unlock *lkul; + struct opal_lock_unlock *lkul = data; u8 read_locked = 1, write_locked = 1; int err = 0; @@ -1683,7 +1675,6 @@ static int lock_unlock_locking_range(struct opal_dev *dev) set_comid(dev, dev->comid); method = opalmethod[OPAL_SET]; - lkul = dev->func_data[dev->state]; if (build_locking_range(lr_buffer, sizeof(lr_buffer), lkul->session.opal_key.lr) < 0) return -ERANGE; @@ -1735,19 +1726,18 @@ static int lock_unlock_locking_range(struct opal_dev *dev) } -static int lock_unlock_locking_range_sum(struct opal_dev *dev) +static int lock_unlock_locking_range_sum(struct opal_dev *dev, void *data) { u8 lr_buffer[OPAL_UID_LENGTH]; u8 read_locked = 1, write_locked = 1; const u8 *method; - struct opal_lock_unlock *lkul; + struct opal_lock_unlock *lkul = data; int ret; clear_opal_cmd(dev); set_comid(dev, dev->comid); method = opalmethod[OPAL_SET]; - lkul = dev->func_data[dev->state]; if (build_locking_range(lr_buffer, sizeof(lr_buffer), lkul->session.opal_key.lr) < 0) return -ERANGE; @@ -1778,9 +1768,9 @@ static int lock_unlock_locking_range_sum(struct opal_dev *dev) return finalize_and_send(dev, parse_and_check_status); } -static int activate_lsp(struct opal_dev *dev) +static int activate_lsp(struct opal_dev *dev, void *data) { - struct opal_lr_act *opal_act; + struct opal_lr_act *opal_act = data; u8 user_lr[OPAL_UID_LENGTH]; u8 uint_3 = 0x83; int err = 0, i; @@ -1788,8 +1778,6 @@ static int activate_lsp(struct opal_dev *dev) clear_opal_cmd(dev); set_comid(dev, dev->comid); - opal_act = dev->func_data[dev->state]; - add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_LOCKINGSP_UID], OPAL_UID_LENGTH); @@ -1854,7 +1842,7 @@ static int get_lsp_lifecycle_cont(struct opal_dev *dev) } /* Determine if we're in the Manufactured Inactive or Active state */ -static int get_lsp_lifecycle(struct opal_dev *dev) +static int get_lsp_lifecycle(struct opal_dev *dev, void *data) { int err = 0; @@ -1915,14 +1903,13 @@ static int get_msid_cpin_pin_cont(struct opal_dev *dev) return 0; } -static int get_msid_cpin_pin(struct opal_dev *dev) +static int get_msid_cpin_pin(struct opal_dev *dev, void *data) { int err = 0; clear_opal_cmd(dev); set_comid(dev, dev->comid); - add_token_u8(&err, dev, OPAL_CALL); add_token_bytestring(&err, dev, opaluid[OPAL_C_PIN_MSID], OPAL_UID_LENGTH); @@ -1952,58 +1939,48 @@ static int get_msid_cpin_pin(struct opal_dev *dev) return finalize_and_send(dev, get_msid_cpin_pin_cont); } -static int build_end_opal_session(struct opal_dev *dev) +static int end_opal_session(struct opal_dev *dev, void *data) { int err = 0; clear_opal_cmd(dev); - set_comid(dev, dev->comid); add_token_u8(&err, dev, OPAL_ENDOFSESSION); - return err; -} - -static int end_opal_session(struct opal_dev *dev) -{ - int ret = build_end_opal_session(dev); - if (ret < 0) - return ret; + if (err < 0) + return err; return finalize_and_send(dev, end_session_cont); } static int end_opal_session_error(struct opal_dev *dev) { - const opal_step error_end_session[] = { - end_opal_session, - NULL, + const struct opal_step error_end_session[] = { + { end_opal_session, }, + { NULL, } }; - dev->funcs = error_end_session; - dev->state = 0; + dev->steps = error_end_session; return next(dev); } static inline void setup_opal_dev(struct opal_dev *dev, - const opal_step *funcs) + const struct opal_step *steps) { - dev->state = 0; - dev->funcs = funcs; + dev->steps = steps; dev->tsn = 0; dev->hsn = 0; - dev->func_data = NULL; dev->prev_data = NULL; } static int check_opal_support(struct opal_dev *dev) { - static const opal_step funcs[] = { - opal_discovery0, - NULL + const struct opal_step steps[] = { + { opal_discovery0, }, + { NULL, } }; int ret; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, funcs); + setup_opal_dev(dev, steps); ret = next(dev); dev->supported = !ret; mutex_unlock(&dev->dev_lock); @@ -2034,24 +2011,18 @@ EXPORT_SYMBOL(init_opal_dev); static int opal_secure_erase_locking_range(struct opal_dev *dev, struct opal_session_info *opal_session) { - void *data[3] = { NULL }; - static const opal_step erase_funcs[] = { - opal_discovery0, - start_auth_opal_session, - get_active_key, - gen_key, - end_opal_session, - NULL, + const struct opal_step erase_steps[] = { + { opal_discovery0, }, + { start_auth_opal_session, opal_session }, + { get_active_key, &opal_session->opal_key.lr }, + { gen_key, }, + { end_opal_session, }, + { NULL, } }; int ret; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, erase_funcs); - - dev->func_data = data; - dev->func_data[1] = opal_session; - dev->func_data[2] = &opal_session->opal_key.lr; - + setup_opal_dev(dev, erase_steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; @@ -2060,23 +2031,17 @@ static int opal_secure_erase_locking_range(struct opal_dev *dev, static int opal_erase_locking_range(struct opal_dev *dev, struct opal_session_info *opal_session) { - void *data[3] = { NULL }; - static const opal_step erase_funcs[] = { - opal_discovery0, - start_auth_opal_session, - erase_locking_range, - end_opal_session, - NULL, + const struct opal_step erase_steps[] = { + { opal_discovery0, }, + { start_auth_opal_session, opal_session }, + { erase_locking_range, opal_session }, + { end_opal_session, }, + { NULL, } }; int ret; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, erase_funcs); - - dev->func_data = data; - dev->func_data[1] = opal_session; - dev->func_data[2] = opal_session; - + setup_opal_dev(dev, erase_steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; @@ -2085,16 +2050,15 @@ static int opal_erase_locking_range(struct opal_dev *dev, static int opal_enable_disable_shadow_mbr(struct opal_dev *dev, struct opal_mbr_data *opal_mbr) { - void *func_data[6] = { NULL }; - static const opal_step mbr_funcs[] = { - opal_discovery0, - start_admin1LSP_opal_session, - set_mbr_done, - end_opal_session, - start_admin1LSP_opal_session, - set_mbr_enable_disable, - end_opal_session, - NULL, + const struct opal_step mbr_steps[] = { + { opal_discovery0, }, + { start_admin1LSP_opal_session, &opal_mbr->key }, + { set_mbr_done, &opal_mbr->enable_disable }, + { end_opal_session, }, + { start_admin1LSP_opal_session, &opal_mbr->key }, + { set_mbr_enable_disable, &opal_mbr->enable_disable }, + { end_opal_session, }, + { NULL, } }; int ret; @@ -2103,12 +2067,7 @@ static int opal_enable_disable_shadow_mbr(struct opal_dev *dev, return -EINVAL; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, mbr_funcs); - dev->func_data = func_data; - dev->func_data[1] = &opal_mbr->key; - dev->func_data[2] = &opal_mbr->enable_disable; - dev->func_data[4] = &opal_mbr->key; - dev->func_data[5] = &opal_mbr->enable_disable; + setup_opal_dev(dev, mbr_steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; @@ -2135,13 +2094,12 @@ static int opal_save(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) static int opal_add_user_to_lr(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) { - void *func_data[3] = { NULL }; - static const opal_step funcs[] = { - opal_discovery0, - start_admin1LSP_opal_session, - add_user_to_lr, - end_opal_session, - NULL + const struct opal_step steps[] = { + { opal_discovery0, }, + { start_admin1LSP_opal_session, &lk_unlk->session.opal_key }, + { add_user_to_lr, lk_unlk }, + { end_opal_session, }, + { NULL, } }; int ret; @@ -2163,10 +2121,7 @@ static int opal_add_user_to_lr(struct opal_dev *dev, } mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, funcs); - dev->func_data = func_data; - dev->func_data[1] = &lk_unlk->session.opal_key; - dev->func_data[2] = lk_unlk; + setup_opal_dev(dev, steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; @@ -2174,55 +2129,46 @@ static int opal_add_user_to_lr(struct opal_dev *dev, static int opal_reverttper(struct opal_dev *dev, struct opal_key *opal) { - void *data[2] = { NULL }; - static const opal_step revert_funcs[] = { - opal_discovery0, - start_SIDASP_opal_session, - revert_tper, /* controller will terminate session */ - NULL, + const struct opal_step revert_steps[] = { + { opal_discovery0, }, + { start_SIDASP_opal_session, opal }, + { revert_tper, }, /* controller will terminate session */ + { NULL, } }; int ret; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, revert_funcs); - dev->func_data = data; - dev->func_data[1] = opal; + setup_opal_dev(dev, revert_steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; } -static int __opal_lock_unlock_sum(struct opal_dev *dev) +static int __opal_lock_unlock(struct opal_dev *dev, + struct opal_lock_unlock *lk_unlk) { - static const opal_step ulk_funcs_sum[] = { - opal_discovery0, - start_auth_opal_session, - lock_unlock_locking_range_sum, - end_opal_session, - NULL + const struct opal_step unlock_steps[] = { + { opal_discovery0, }, + { start_auth_opal_session, &lk_unlk->session }, + { lock_unlock_locking_range, lk_unlk }, + { end_opal_session, }, + { NULL, } }; - - dev->funcs = ulk_funcs_sum; - return next(dev); -} - -static int __opal_lock_unlock(struct opal_dev *dev) -{ - static const opal_step _unlock_funcs[] = { - opal_discovery0, - start_auth_opal_session, - lock_unlock_locking_range, - end_opal_session, - NULL + const struct opal_step unlock_sum_steps[] = { + { opal_discovery0, }, + { start_auth_opal_session, &lk_unlk->session }, + { lock_unlock_locking_range_sum, lk_unlk }, + { end_opal_session, }, + { NULL, } }; - dev->funcs = _unlock_funcs; + dev->steps = lk_unlk->session.sum ? unlock_sum_steps : unlock_steps; return next(dev); } -static int opal_lock_unlock(struct opal_dev *dev, struct opal_lock_unlock *lk_unlk) +static int opal_lock_unlock(struct opal_dev *dev, + struct opal_lock_unlock *lk_unlk) { - void *func_data[3] = { NULL }; int ret; if (lk_unlk->session.who < OPAL_ADMIN1 || @@ -2230,43 +2176,30 @@ static int opal_lock_unlock(struct opal_dev *dev, struct opal_lock_unlock *lk_un return -EINVAL; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, NULL); - dev->func_data = func_data; - dev->func_data[1] = &lk_unlk->session; - dev->func_data[2] = lk_unlk; - - if (lk_unlk->session.sum) - ret = __opal_lock_unlock_sum(dev); - else - ret = __opal_lock_unlock(dev); - + ret = __opal_lock_unlock(dev, lk_unlk); mutex_unlock(&dev->dev_lock); return ret; } static int opal_take_ownership(struct opal_dev *dev, struct opal_key *opal) { - static const opal_step owner_funcs[] = { - opal_discovery0, - start_anybodyASP_opal_session, - get_msid_cpin_pin, - end_opal_session, - start_SIDASP_opal_session, - set_sid_cpin_pin, - end_opal_session, - NULL + const struct opal_step owner_steps[] = { + { opal_discovery0, }, + { start_anybodyASP_opal_session, }, + { get_msid_cpin_pin, }, + { end_opal_session, }, + { start_SIDASP_opal_session, opal }, + { set_sid_cpin_pin, opal }, + { end_opal_session, }, + { NULL, } }; - void *data[6] = { NULL }; int ret; if (!dev) return -ENODEV; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, owner_funcs); - dev->func_data = data; - dev->func_data[4] = opal; - dev->func_data[5] = opal; + setup_opal_dev(dev, owner_steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; @@ -2274,14 +2207,13 @@ static int opal_take_ownership(struct opal_dev *dev, struct opal_key *opal) static int opal_activate_lsp(struct opal_dev *dev, struct opal_lr_act *opal_lr_act) { - void *data[4] = { NULL }; - static const opal_step active_funcs[] = { - opal_discovery0, - start_SIDASP_opal_session, /* Open session as SID auth */ - get_lsp_lifecycle, - activate_lsp, - end_opal_session, - NULL + const struct opal_step active_steps[] = { + { opal_discovery0, }, + { start_SIDASP_opal_session, &opal_lr_act->key }, + { get_lsp_lifecycle, }, + { activate_lsp, opal_lr_act }, + { end_opal_session, }, + { NULL, } }; int ret; @@ -2289,10 +2221,7 @@ static int opal_activate_lsp(struct opal_dev *dev, struct opal_lr_act *opal_lr_a return -EINVAL; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, active_funcs); - dev->func_data = data; - dev->func_data[1] = &opal_lr_act->key; - dev->func_data[3] = opal_lr_act; + setup_opal_dev(dev, active_steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; @@ -2301,21 +2230,17 @@ static int opal_activate_lsp(struct opal_dev *dev, struct opal_lr_act *opal_lr_a static int opal_setup_locking_range(struct opal_dev *dev, struct opal_user_lr_setup *opal_lrs) { - void *data[3] = { NULL }; - static const opal_step lr_funcs[] = { - opal_discovery0, - start_auth_opal_session, - setup_locking_range, - end_opal_session, - NULL, + const struct opal_step lr_steps[] = { + { opal_discovery0, }, + { start_auth_opal_session, &opal_lrs->session }, + { setup_locking_range, opal_lrs }, + { end_opal_session, }, + { NULL, } }; int ret; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, lr_funcs); - dev->func_data = data; - dev->func_data[1] = &opal_lrs->session; - dev->func_data[2] = opal_lrs; + setup_opal_dev(dev, lr_steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; @@ -2323,14 +2248,13 @@ static int opal_setup_locking_range(struct opal_dev *dev, static int opal_set_new_pw(struct opal_dev *dev, struct opal_new_pw *opal_pw) { - static const opal_step pw_funcs[] = { - opal_discovery0, - start_auth_opal_session, - set_new_pw, - end_opal_session, - NULL + const struct opal_step pw_steps[] = { + { opal_discovery0, }, + { start_auth_opal_session, &opal_pw->session }, + { set_new_pw, &opal_pw->new_user_pw }, + { end_opal_session, }, + { NULL } }; - void *data[3] = { NULL }; int ret; if (opal_pw->session.who < OPAL_ADMIN1 || @@ -2340,11 +2264,7 @@ static int opal_set_new_pw(struct opal_dev *dev, struct opal_new_pw *opal_pw) return -EINVAL; mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, pw_funcs); - dev->func_data = data; - dev->func_data[1] = (void *) &opal_pw->session; - dev->func_data[2] = (void *) &opal_pw->new_user_pw; - + setup_opal_dev(dev, pw_steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; @@ -2353,14 +2273,13 @@ static int opal_set_new_pw(struct opal_dev *dev, struct opal_new_pw *opal_pw) static int opal_activate_user(struct opal_dev *dev, struct opal_session_info *opal_session) { - static const opal_step act_funcs[] = { - opal_discovery0, - start_admin1LSP_opal_session, - internal_activate_user, - end_opal_session, - NULL + const struct opal_step act_steps[] = { + { opal_discovery0, }, + { start_admin1LSP_opal_session, &opal_session->opal_key }, + { internal_activate_user, opal_session }, + { end_opal_session, }, + { NULL, } }; - void *data[3] = { NULL }; int ret; /* We can't activate Admin1 it's active as manufactured */ @@ -2371,10 +2290,7 @@ static int opal_activate_user(struct opal_dev *dev, } mutex_lock(&dev->dev_lock); - setup_opal_dev(dev, act_funcs); - dev->func_data = data; - dev->func_data[1] = &opal_session->opal_key; - dev->func_data[2] = opal_session; + setup_opal_dev(dev, act_steps); ret = next(dev); mutex_unlock(&dev->dev_lock); return ret; @@ -2383,7 +2299,6 @@ static int opal_activate_user(struct opal_dev *dev, bool opal_unlock_from_suspend(struct opal_dev *dev) { struct opal_suspend_data *suspend; - void *func_data[3] = { NULL }; bool was_failure = false; int ret = 0; @@ -2394,19 +2309,12 @@ bool opal_unlock_from_suspend(struct opal_dev *dev) mutex_lock(&dev->dev_lock); setup_opal_dev(dev, NULL); - dev->func_data = func_data; list_for_each_entry(suspend, &dev->unlk_lst, node) { - dev->state = 0; - dev->func_data[1] = &suspend->unlk.session; - dev->func_data[2] = &suspend->unlk; dev->tsn = 0; dev->hsn = 0; - if (suspend->unlk.session.sum) - ret = __opal_lock_unlock_sum(dev); - else - ret = __opal_lock_unlock(dev); + ret = __opal_lock_unlock(dev, &suspend->unlk); if (ret) { pr_warn("Failed to unlock LR %hhu with sum %d\n", suspend->unlk.session.opal_key.lr, @@ -2433,7 +2341,7 @@ int sed_ioctl(struct opal_dev *dev, unsigned int cmd, void __user *arg) return -ENOTSUPP; } - p = memdup_user(arg, _IOC_SIZE(cmd)); + p = memdup_user(arg, _IOC_SIZE(cmd)); if (IS_ERR(p)) return PTR_ERR(p); |