lightnvm: remove hybrid ocssd 1.2 support

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>

2 files changed, 0 insertions, 237 deletions

diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c
index 83249b43dd06..390d5efd6287 100644
--- a/drivers/lightnvm/core.c
+++ b/drivers/lightnvm/core.c
@@ -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;
diff --git a/drivers/nvme/host/lightnvm.c b/drivers/nvme/host/lightnvm.c
index ba3d7f3349e5..26f7eccc1684 100644
--- a/drivers/nvme/host/lightnvm.c
+++ b/drivers/nvme/host/lightnvm.c
@@ -31,27 +31,10 @@
 
 enum nvme_nvm_admin_opcode {
 	nvme_nvm_admin_identity		= 0xe2,
-	nvme_nvm_admin_get_l2p_tbl	= 0xea,
 	nvme_nvm_admin_get_bb_tbl	= 0xf2,
 	nvme_nvm_admin_set_bb_tbl	= 0xf1,
 };
 
-struct nvme_nvm_hb_rw {
-	__u8			opcode;
-	__u8			flags;
-	__u16			command_id;
-	__le32			nsid;
-	__u64			rsvd2;
-	__le64			metadata;
-	__le64			prp1;
-	__le64			prp2;
-	__le64			spba;
-	__le16			length;
-	__le16			control;
-	__le32			dsmgmt;
-	__le64			slba;
-};
-
 struct nvme_nvm_ph_rw {
 	__u8			opcode;
 	__u8			flags;
@@ -80,19 +63,6 @@ struct nvme_nvm_identity {
 	__u32			rsvd11[5];
 };
 
-struct nvme_nvm_l2ptbl {
-	__u8			opcode;
-	__u8			flags;
-	__u16			command_id;
-	__le32			nsid;
-	__le32			cdw2[4];
-	__le64			prp1;
-	__le64			prp2;
-	__le64			slba;
-	__le32			nlb;
-	__le16			cdw14[6];
-};
-
 struct nvme_nvm_getbbtbl {
 	__u8			opcode;
 	__u8			flags;
@@ -139,9 +109,7 @@ struct nvme_nvm_command {
 	union {
 		struct nvme_common_command common;
 		struct nvme_nvm_identity identity;
-		struct nvme_nvm_hb_rw hb_rw;
 		struct nvme_nvm_ph_rw ph_rw;
-		struct nvme_nvm_l2ptbl l2p;
 		struct nvme_nvm_getbbtbl get_bb;
 		struct nvme_nvm_setbbtbl set_bb;
 		struct nvme_nvm_erase_blk erase;
@@ -234,11 +202,9 @@ struct nvme_nvm_bb_tbl {
 static inline void _nvme_nvm_check_size(void)
 {
 	BUILD_BUG_ON(sizeof(struct nvme_nvm_identity) != 64);
-	BUILD_BUG_ON(sizeof(struct nvme_nvm_hb_rw) != 64);
 	BUILD_BUG_ON(sizeof(struct nvme_nvm_ph_rw) != 64);
 	BUILD_BUG_ON(sizeof(struct nvme_nvm_getbbtbl) != 64);
 	BUILD_BUG_ON(sizeof(struct nvme_nvm_setbbtbl) != 64);
-	BUILD_BUG_ON(sizeof(struct nvme_nvm_l2ptbl) != 64);
 	BUILD_BUG_ON(sizeof(struct nvme_nvm_erase_blk) != 64);
 	BUILD_BUG_ON(sizeof(struct nvme_nvm_id_group) != 960);
 	BUILD_BUG_ON(sizeof(struct nvme_nvm_addr_format) != 16);
@@ -332,62 +298,6 @@ out:
 	return ret;
 }
 
-static int nvme_nvm_get_l2p_tbl(struct nvm_dev *nvmdev, u64 slba, u32 nlb,
-				nvm_l2p_update_fn *update_l2p, void *priv)
-{
-	struct nvme_ns *ns = nvmdev->q->queuedata;
-	struct nvme_nvm_command c = {};
-	u32 len = queue_max_hw_sectors(ns->ctrl->admin_q) << 9;
-	u32 nlb_pr_rq = len / sizeof(u64);
-	u64 cmd_slba = slba;
-	void *entries;
-	int ret = 0;
-
-	c.l2p.opcode = nvme_nvm_admin_get_l2p_tbl;
-	c.l2p.nsid = cpu_to_le32(ns->head->ns_id);
-	entries = kmalloc(len, GFP_KERNEL);
-	if (!entries)
-		return -ENOMEM;
-
-	while (nlb) {
-		u32 cmd_nlb = min(nlb_pr_rq, nlb);
-		u64 elba = slba + cmd_nlb;
-
-		c.l2p.slba = cpu_to_le64(cmd_slba);
-		c.l2p.nlb = cpu_to_le32(cmd_nlb);
-
-		ret = nvme_submit_sync_cmd(ns->ctrl->admin_q,
-				(struct nvme_command *)&c, entries, len);
-		if (ret) {
-			dev_err(ns->ctrl->device,
-				"L2P table transfer failed (%d)\n", ret);
-			ret = -EIO;
-			goto out;
-		}
-
-		if (unlikely(elba > nvmdev->total_secs)) {
-			pr_err("nvm: L2P data from device is out of bounds!\n");
-			ret = -EINVAL;
-			goto out;
-		}
-
-		/* Transform physical address to target address space */
-		nvm_part_to_tgt(nvmdev, entries, cmd_nlb);
-
-		if (update_l2p(cmd_slba, cmd_nlb, entries, priv)) {
-			ret = -EINTR;
-			goto out;
-		}
-
-		cmd_slba += cmd_nlb;
-		nlb -= cmd_nlb;
-	}
-
-out:
-	kfree(entries);
-	return ret;
-}
-
 static int nvme_nvm_get_bb_tbl(struct nvm_dev *nvmdev, struct ppa_addr ppa,
 								u8 *blks)
 {
@@ -474,10 +384,6 @@ static inline void nvme_nvm_rqtocmd(struct nvm_rq *rqd, struct nvme_ns *ns,
 	c->ph_rw.metadata = cpu_to_le64(rqd->dma_meta_list);
 	c->ph_rw.control = cpu_to_le16(rqd->flags);
 	c->ph_rw.length = cpu_to_le16(rqd->nr_ppas - 1);
-
-	if (rqd->opcode == NVM_OP_HBWRITE || rqd->opcode == NVM_OP_HBREAD)
-		c->hb_rw.slba = cpu_to_le64(nvme_block_nr(ns,
-					rqd->bio->bi_iter.bi_sector));
 }
 
 static void nvme_nvm_end_io(struct request *rq, blk_status_t status)
@@ -597,8 +503,6 @@ static void nvme_nvm_dev_dma_free(void *pool, void *addr,
 static struct nvm_dev_ops nvme_nvm_dev_ops = {
 	.identity		= nvme_nvm_identity,
 
-	.get_l2p_tbl		= nvme_nvm_get_l2p_tbl,
-
 	.get_bb_tbl		= nvme_nvm_get_bb_tbl,
 	.set_bb_tbl		= nvme_nvm_set_bb_tbl,