diff options
author | Ondrej Kozina <okozina@redhat.com> | 2023-04-05 14:12:22 +0300 |
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committer | Jens Axboe <axboe@kernel.dk> | 2023-04-05 16:46:26 +0300 |
commit | baf82b679cb2c76eb6f4b2881a60380e328ccc79 (patch) | |
tree | 659ea79f7778b61d32ac05d06fba664884acdda9 /block/sed-opal.c | |
parent | 8be19a02f1e373d406b3d9e0c17a90c786c51c1f (diff) | |
download | linux-baf82b679cb2c76eb6f4b2881a60380e328ccc79.tar.xz |
sed-opal: add helper to get multiple columns at once.
Refactors current code querying single column to use the
new helper. Real multi column usage will be added later.
Signed-off-by: Ondrej Kozina <okozina@redhat.com>
Tested-by: Luca Boccassi <bluca@debian.org>
Tested-by: Milan Broz <gmazyland@gmail.com>
Acked-by: Christian Brauner <brauner@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230405111223.272816-5-okozina@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/sed-opal.c')
-rw-r--r-- | block/sed-opal.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/block/sed-opal.c b/block/sed-opal.c index 38cc02b708ac..b95560d9c5eb 100644 --- a/block/sed-opal.c +++ b/block/sed-opal.c @@ -1149,12 +1149,8 @@ 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) +static int generic_get_columns(struct opal_dev *dev, const u8 *table, + u64 start_column, u64 end_column) { int err; @@ -1164,12 +1160,12 @@ static int generic_get_column(struct opal_dev *dev, const u8 *table, add_token_u8(&err, dev, OPAL_STARTNAME); add_token_u8(&err, dev, OPAL_STARTCOLUMN); - add_token_u64(&err, dev, column); + add_token_u64(&err, dev, start_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_u64(&err, dev, end_column); add_token_u8(&err, dev, OPAL_ENDNAME); add_token_u8(&err, dev, OPAL_ENDLIST); @@ -1181,6 +1177,16 @@ static int generic_get_column(struct opal_dev *dev, const u8 *table, } /* + * 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) +{ + return generic_get_columns(dev, table, column, column); +} + +/* * see TCG SAS 5.3.2.3 for a description of the available columns * * the result is provided in dev->resp->tok[4] |