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lightnvm: add 2.0 geometry identification

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Implement the geometry data structures for 2.0 and enable a drive
to be identified as one, including exposing the appropriate 2.0
sysfs entries.

Signed-off-by: Matias Bjørling <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Matias Bjørling 2018-03-30 00:05:02 +02:00 • committed by Jens Axboe
commit 62771fe0aa
3 changed files with 299 additions and 58 deletions
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8
drivers/lightnvm/core.c
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@ -931,11 +931,9 @@ static int nvm_init(struct nvm_dev *dev)
goto err;
}
pr_debug("nvm: ver:%x nvm_vendor:%x\n",
dev->identity.ver_id, dev->identity.vmnt);
if (dev->identity.ver_id != 1) {
pr_err("nvm: device not supported by kernel.");
if (dev->identity.ver_id != 1 && dev->identity.ver_id != 2) {
pr_err("nvm: device ver_id %d not supported by kernel.\n",
dev->identity.ver_id);
goto err;
}