forked from Minki/linux
lightnvm: enable to send hint to erase command
Erases might be subject to host hints. An example is multi-plane programming to erase blocks in parallel. Enable targets to specify this hint. Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@fb.com>
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3dc87dd048
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bb3149792e
@ -202,9 +202,9 @@ int nvm_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
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}
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EXPORT_SYMBOL(nvm_submit_io);
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int nvm_erase_blk(struct nvm_dev *dev, struct nvm_block *blk)
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int nvm_erase_blk(struct nvm_dev *dev, struct nvm_block *blk, int flags)
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{
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return dev->mt->erase_blk(dev, blk, 0);
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return dev->mt->erase_blk(dev, blk, flags);
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}
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EXPORT_SYMBOL(nvm_erase_blk);
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@ -285,7 +285,8 @@ void nvm_free_rqd_ppalist(struct nvm_dev *dev, struct nvm_rq *rqd)
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}
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EXPORT_SYMBOL(nvm_free_rqd_ppalist);
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int nvm_erase_ppa(struct nvm_dev *dev, struct ppa_addr *ppas, int nr_ppas)
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int nvm_erase_ppa(struct nvm_dev *dev, struct ppa_addr *ppas, int nr_ppas,
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int flags)
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{
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struct nvm_rq rqd;
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int ret;
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@ -301,6 +302,8 @@ int nvm_erase_ppa(struct nvm_dev *dev, struct ppa_addr *ppas, int nr_ppas)
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nvm_generic_to_addr_mode(dev, &rqd);
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rqd.flags = flags;
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ret = dev->ops->erase_block(dev, &rqd);
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nvm_free_rqd_ppalist(dev, &rqd);
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@ -593,12 +593,11 @@ static int gen_submit_io(struct nvm_dev *dev, struct nvm_rq *rqd)
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return dev->ops->submit_io(dev, rqd);
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}
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static int gen_erase_blk(struct nvm_dev *dev, struct nvm_block *blk,
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unsigned long flags)
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static int gen_erase_blk(struct nvm_dev *dev, struct nvm_block *blk, int flags)
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{
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struct ppa_addr addr = block_to_ppa(dev, blk);
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return nvm_erase_ppa(dev, &addr, 1);
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return nvm_erase_ppa(dev, &addr, 1, flags);
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}
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static int gen_reserve_lun(struct nvm_dev *dev, int lunid)
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@ -404,7 +404,7 @@ static void rrpc_block_gc(struct work_struct *work)
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if (rrpc_move_valid_pages(rrpc, rblk))
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goto put_back;
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if (nvm_erase_blk(dev, rblk->parent))
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if (nvm_erase_blk(dev, rblk->parent, 0))
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goto put_back;
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rrpc_put_blk(rrpc, rblk);
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@ -379,7 +379,7 @@ static int nvm_prepare_new_sysblks(struct nvm_dev *dev, struct sysblk_scan *s)
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ppa = &s->ppas[scan_ppa_idx(i, nxt_blk)];
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ppa->g.pg = ppa_to_slc(dev, 0);
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ret = nvm_erase_ppa(dev, ppa, 1);
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ret = nvm_erase_ppa(dev, ppa, 1, 0);
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if (ret)
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return ret;
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@ -725,7 +725,7 @@ int nvm_dev_factory(struct nvm_dev *dev, int flags)
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/* continue to erase until list of blks until empty */
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while ((ppa_cnt =
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nvm_fact_get_blks(dev, ppas, max_ppas, blk_bitmap)) > 0)
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nvm_erase_ppa(dev, ppas, ppa_cnt);
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nvm_erase_ppa(dev, ppas, ppa_cnt, 0);
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/* mark host reserved blocks free */
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if (flags & NVM_FACTORY_RESET_HOST_BLKS) {
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@ -526,6 +526,7 @@ static int nvme_nvm_erase_block(struct nvm_dev *dev, struct nvm_rq *rqd)
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c.erase.nsid = cpu_to_le32(ns->ns_id);
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c.erase.spba = cpu_to_le64(rqd->ppa_addr.ppa);
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c.erase.length = cpu_to_le16(rqd->nr_ppas - 1);
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c.erase.control = cpu_to_le16(rqd->flags);
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return nvme_submit_sync_cmd(q, (struct nvme_command *)&c, NULL, 0);
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}
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@ -470,8 +470,7 @@ typedef int (nvmm_open_blk_fn)(struct nvm_dev *, struct nvm_block *);
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typedef int (nvmm_close_blk_fn)(struct nvm_dev *, struct nvm_block *);
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typedef void (nvmm_flush_blk_fn)(struct nvm_dev *, struct nvm_block *);
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typedef int (nvmm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *);
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typedef int (nvmm_erase_blk_fn)(struct nvm_dev *, struct nvm_block *,
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unsigned long);
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typedef int (nvmm_erase_blk_fn)(struct nvm_dev *, struct nvm_block *, int);
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typedef void (nvmm_mark_blk_fn)(struct nvm_dev *, struct ppa_addr, int);
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typedef struct nvm_lun *(nvmm_get_lun_fn)(struct nvm_dev *, int);
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typedef int (nvmm_reserve_lun)(struct nvm_dev *, int);
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@ -537,8 +536,8 @@ extern void nvm_addr_to_generic_mode(struct nvm_dev *, struct nvm_rq *);
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extern int nvm_set_rqd_ppalist(struct nvm_dev *, struct nvm_rq *,
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const struct ppa_addr *, int, int);
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extern void nvm_free_rqd_ppalist(struct nvm_dev *, struct nvm_rq *);
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extern int nvm_erase_ppa(struct nvm_dev *, struct ppa_addr *, int);
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extern int nvm_erase_blk(struct nvm_dev *, struct nvm_block *);
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extern int nvm_erase_ppa(struct nvm_dev *, struct ppa_addr *, int, int);
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extern int nvm_erase_blk(struct nvm_dev *, struct nvm_block *, int);
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extern void nvm_end_io(struct nvm_rq *, int);
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extern int nvm_submit_ppa(struct nvm_dev *, struct ppa_addr *, int, int, int,
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void *, int);
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