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lightnvm: remove hybrid ocssd 1.2 support

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Now that rrpc have been removed. Also remove the hybrid 1.2 support
from the core.

Signed-off-by: Matias Bjørling <m@bjorling.me>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Matias Bjørling
2018-01-05 14:16:00 +01:00
committed by Jens Axboe
parent 26f76dce60
commit e3e13bcc14
3 changed files with 0 additions and 280 deletions
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141
drivers/lightnvm/core.c
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@@ -45,12 +45,6 @@ struct nvm_dev_map {
int nr_chnls;
};
struct nvm_area {
struct list_head list;
sector_t begin;
sector_t end; /* end is excluded */
};
static struct nvm_target *nvm_find_target(struct nvm_dev *dev, const char *name)
{
struct nvm_target *tgt;
@@ -524,35 +518,6 @@ static void nvm_rq_dev_to_tgt(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd)
nvm_ppa_dev_to_tgt(tgt_dev, rqd->ppa_list, rqd->nr_ppas);
}
void nvm_part_to_tgt(struct nvm_dev *dev, sector_t *entries,
int len)
{
struct nvm_geo *geo = &dev->geo;
struct nvm_dev_map *dev_rmap = dev->rmap;
u64 i;
for (i = 0; i < len; i++) {
struct nvm_ch_map *ch_rmap;
int *lun_roffs;
struct ppa_addr gaddr;
u64 pba = le64_to_cpu(entries[i]);
u64 diff;
if (!pba)
continue;
gaddr = linear_to_generic_addr(geo, pba);
ch_rmap = &dev_rmap->chnls[gaddr.g.ch];
lun_roffs = ch_rmap->lun_offs;
diff = ((ch_rmap->ch_off * geo->luns_per_chnl) +
(lun_roffs[gaddr.g.lun])) * geo->sec_per_lun;
entries[i] -= cpu_to_le64(diff);
}
}
EXPORT_SYMBOL(nvm_part_to_tgt);
int nvm_register_tgt_type(struct nvm_tgt_type *tt)
{
int ret = 0;
@@ -726,112 +691,6 @@ int nvm_submit_io_sync(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd)
}
EXPORT_SYMBOL(nvm_submit_io_sync);
int nvm_erase_sync(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *ppas,
int nr_ppas)
{
struct nvm_geo *geo = &tgt_dev->geo;
struct nvm_rq rqd;
int ret;
memset(&rqd, 0, sizeof(struct nvm_rq));
rqd.opcode = NVM_OP_ERASE;
rqd.flags = geo->plane_mode >> 1;
ret = nvm_set_rqd_ppalist(tgt_dev, &rqd, ppas, nr_ppas);
if (ret)
return ret;
ret = nvm_submit_io_sync(tgt_dev, &rqd);
if (ret) {
pr_err("rrpr: erase I/O submission failed: %d\n", ret);
goto free_ppa_list;
}
free_ppa_list:
nvm_free_rqd_ppalist(tgt_dev, &rqd);
return ret;
}
EXPORT_SYMBOL(nvm_erase_sync);
int nvm_get_l2p_tbl(struct nvm_tgt_dev *tgt_dev, u64 slba, u32 nlb,
nvm_l2p_update_fn *update_l2p, void *priv)
{
struct nvm_dev *dev = tgt_dev->parent;
if (!dev->ops->get_l2p_tbl)
return 0;
return dev->ops->get_l2p_tbl(dev, slba, nlb, update_l2p, priv);
}
EXPORT_SYMBOL(nvm_get_l2p_tbl);
int nvm_get_area(struct nvm_tgt_dev *tgt_dev, sector_t *lba, sector_t len)
{
struct nvm_dev *dev = tgt_dev->parent;
struct nvm_geo *geo = &dev->geo;
struct nvm_area *area, *prev, *next;
sector_t begin = 0;
sector_t max_sectors = (geo->sec_size * dev->total_secs) >> 9;
if (len > max_sectors)
return -EINVAL;
area = kmalloc(sizeof(struct nvm_area), GFP_KERNEL);
if (!area)
return -ENOMEM;
prev = NULL;
spin_lock(&dev->lock);
list_for_each_entry(next, &dev->area_list, list) {
if (begin + len > next->begin) {
begin = next->end;
prev = next;
continue;
}
break;
}
if ((begin + len) > max_sectors) {
spin_unlock(&dev->lock);
kfree(area);
return -EINVAL;
}
area->begin = *lba = begin;
area->end = begin + len;
if (prev) /* insert into sorted order */
list_add(&area->list, &prev->list);
else
list_add(&area->list, &dev->area_list);
spin_unlock(&dev->lock);
return 0;
}
EXPORT_SYMBOL(nvm_get_area);
void nvm_put_area(struct nvm_tgt_dev *tgt_dev, sector_t begin)
{
struct nvm_dev *dev = tgt_dev->parent;
struct nvm_area *area;
spin_lock(&dev->lock);
list_for_each_entry(area, &dev->area_list, list) {
if (area->begin != begin)
continue;
list_del(&area->list);
spin_unlock(&dev->lock);
kfree(area);
return;
}
spin_unlock(&dev->lock);
}
EXPORT_SYMBOL(nvm_put_area);
void nvm_end_io(struct nvm_rq *rqd)
{
struct nvm_tgt_dev *tgt_dev = rqd->dev;