Instead of having multiple places defining the same argument list to get a specific column of a sed-opal table, provide a generic version and call it from those functions. Signed-off-by: Jonas Rabenstein <jonas.rabenstein@xxxxxxxxxxxxxxxxxxxxxxx> diff --git a/block/opal_proto.h b/block/opal_proto.h index e20be8258854..b6e352cfe982 100644 --- a/block/opal_proto.h +++ b/block/opal_proto.h @@ -170,6 +170,8 @@ enum opal_token { OPAL_READLOCKED = 0x07, OPAL_WRITELOCKED = 0x08, OPAL_ACTIVEKEY = 0x0A, + /* lockingsp table */ + OPAL_LIFECYCLE = 0x06, /* locking info table */ OPAL_MAXRANGES = 0x04, /* mbr control */ diff --git a/block/sed-opal.c b/block/sed-opal.c index 4549fa164e98..5b7b23cb95a4 100644 --- a/block/sed-opal.c +++ b/block/sed-opal.c @@ -1076,6 +1076,37 @@ static int finalize_and_send(struct opal_dev *dev, cont_fn cont) return opal_send_recv(dev, cont); } +/* + * request @column from table @table on device @dev. On success, the column + * data will be available in dev->resp->tok[4] + */ +static int generic_get_column(struct opal_dev *dev, const u8 *table, + u64 column) +{ + int err; + + err = start_opal_cmd(dev, table, opalmethod[OPAL_GET]); + + add_token_u8(&err, dev, OPAL_STARTLIST); + + add_token_u8(&err, dev, OPAL_STARTNAME); + add_token_u8(&err, dev, OPAL_STARTCOLUMN); + add_token_u64(&err, dev, column); + add_token_u8(&err, dev, OPAL_ENDNAME); + + add_token_u8(&err, dev, OPAL_STARTNAME); + add_token_u8(&err, dev, OPAL_ENDCOLUMN); + add_token_u64(&err, dev, column); + add_token_u8(&err, dev, OPAL_ENDNAME); + + add_token_u8(&err, dev, OPAL_ENDLIST); + + if (err) + return err; + + return finalize_and_send(dev, parse_and_check_status); +} + static int gen_key(struct opal_dev *dev, void *data) { u8 uid[OPAL_UID_LENGTH]; @@ -1130,23 +1161,11 @@ static int get_active_key(struct opal_dev *dev, void *data) if (err) return err; - err = start_opal_cmd(dev, uid, opalmethod[OPAL_GET]); - add_token_u8(&err, dev, OPAL_STARTLIST); - add_token_u8(&err, dev, OPAL_STARTNAME); - add_token_u8(&err, dev, 3); /* startCloumn */ - add_token_u8(&err, dev, 10); /* ActiveKey */ - add_token_u8(&err, dev, OPAL_ENDNAME); - add_token_u8(&err, dev, OPAL_STARTNAME); - add_token_u8(&err, dev, 4); /* endColumn */ - add_token_u8(&err, dev, 10); /* ActiveKey */ - add_token_u8(&err, dev, OPAL_ENDNAME); - add_token_u8(&err, dev, OPAL_ENDLIST); - if (err) { - pr_debug("Error building get active key command\n"); + err = generic_get_column(dev, uid, OPAL_ACTIVEKEY); + if (err) return err; - } - return finalize_and_send(dev, get_active_key_cont); + return get_active_key_cont(dev); } static int generic_lr_enable_disable(struct opal_dev *dev, @@ -1801,14 +1820,16 @@ static int activate_lsp(struct opal_dev *dev, void *data) return finalize_and_send(dev, parse_and_check_status); } -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, void *data) { u8 lc_status; - int error = 0; + int err; - error = parse_and_check_status(dev); - if (error) - return error; + err = generic_get_column(dev, opaluid[OPAL_LOCKINGSP_UID], + OPAL_LIFECYCLE); + if (err) + return err; lc_status = response_get_u64(&dev->parsed, 4); /* 0x08 is Manufacured Inactive */ @@ -1821,49 +1842,19 @@ static int get_lsp_lifecycle_cont(struct opal_dev *dev) return 0; } -/* Determine if we're in the Manufactured Inactive or Active state */ -static int get_lsp_lifecycle(struct opal_dev *dev, void *data) -{ - int err; - - err = start_opal_cmd(dev, opaluid[OPAL_LOCKINGSP_UID], - opalmethod[OPAL_GET]); - - add_token_u8(&err, dev, OPAL_STARTLIST); - - add_token_u8(&err, dev, OPAL_STARTNAME); - add_token_u8(&err, dev, 3); /* Start Column */ - add_token_u8(&err, dev, 6); /* Lifecycle Column */ - add_token_u8(&err, dev, OPAL_ENDNAME); - - add_token_u8(&err, dev, OPAL_STARTNAME); - add_token_u8(&err, dev, 4); /* End Column */ - add_token_u8(&err, dev, 6); /* Lifecycle Column */ - add_token_u8(&err, dev, OPAL_ENDNAME); - - add_token_u8(&err, dev, OPAL_ENDLIST); - - if (err) { - pr_debug("Error Building GET Lifecycle Status command\n"); - return err; - } - - return finalize_and_send(dev, get_lsp_lifecycle_cont); -} - -static int get_msid_cpin_pin_cont(struct opal_dev *dev) +static int get_msid_cpin_pin(struct opal_dev *dev, void *data) { const char *msid_pin; size_t strlen; - int error = 0; + int err; - error = parse_and_check_status(dev); - if (error) - return error; + err = generic_get_column(dev, opaluid[OPAL_C_PIN_MSID], OPAL_PIN); + if (err) + return err; strlen = response_get_string(&dev->parsed, 4, &msid_pin); if (!msid_pin) { - pr_debug("%s: Couldn't extract PIN from response\n", __func__); + pr_debug("Couldn't extract MSID_CPIN from response\n"); return OPAL_INVAL_PARAM; } @@ -1876,33 +1867,6 @@ static int get_msid_cpin_pin_cont(struct opal_dev *dev) return 0; } -static int get_msid_cpin_pin(struct opal_dev *dev, void *data) -{ - int err; - - err = start_opal_cmd(dev, opaluid[OPAL_C_PIN_MSID], - opalmethod[OPAL_GET]); - - add_token_u8(&err, dev, OPAL_STARTLIST); - add_token_u8(&err, dev, OPAL_STARTNAME); - add_token_u8(&err, dev, 3); /* Start Column */ - add_token_u8(&err, dev, 3); /* PIN */ - add_token_u8(&err, dev, OPAL_ENDNAME); - - add_token_u8(&err, dev, OPAL_STARTNAME); - add_token_u8(&err, dev, 4); /* End Column */ - add_token_u8(&err, dev, 3); /* Lifecycle Column */ - add_token_u8(&err, dev, OPAL_ENDNAME); - add_token_u8(&err, dev, OPAL_ENDLIST); - - if (err) { - pr_debug("Error building Get MSID CPIN PIN command.\n"); - return err; - } - - return finalize_and_send(dev, get_msid_cpin_pin_cont); -} - static int end_opal_session(struct opal_dev *dev, void *data) { int err = 0; -- 2.16.1