Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753944AbcKROoq (ORCPT ); Fri, 18 Nov 2016 09:44:46 -0500 Received: from mail-wm0-f53.google.com ([74.125.82.53]:38885 "EHLO mail-wm0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932244AbcKROoT (ORCPT ); Fri, 18 Nov 2016 09:44:19 -0500 From: "=?UTF-8?q?Javier=20Gonz=C3=A1lez?=" X-Google-Original-From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= To: mb@lightnvm.io Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Javier=20Gonz=C3=A1lez?= Subject: [PATCH 20/20] lightnvm: use target nvm on target-specific ops. Date: Fri, 18 Nov 2016 15:43:42 +0100 Message-Id: <1479480222-18790-21-git-send-email-javier@cnexlabs.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1479480222-18790-1-git-send-email-javier@cnexlabs.com> References: <1479480222-18790-1-git-send-email-javier@cnexlabs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5209 Lines: 145 On target-specific operations pass on nvm_tgt_dev instead of the generic nvm device. Signed-off-by: Javier González --- drivers/lightnvm/core.c | 15 ++++++++++----- drivers/lightnvm/rrpc.c | 14 +++++++------- drivers/lightnvm/rrpc.h | 2 +- include/linux/lightnvm.h | 6 +++--- 4 files changed, 21 insertions(+), 16 deletions(-) diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 3d8eaac..07bf989 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -86,8 +86,7 @@ void *nvm_dev_dma_alloc(struct nvm_dev *dev, gfp_t mem_flags, } EXPORT_SYMBOL(nvm_dev_dma_alloc); -void nvm_dev_dma_free(struct nvm_dev *dev, void *addr, - dma_addr_t dma_handler) +void nvm_dev_dma_free(struct nvm_dev *dev, void *addr, dma_addr_t dma_handler) { dev->ops->dev_dma_free(dev->dma_pool, addr, dma_handler); } @@ -227,9 +226,11 @@ int nvm_erase_blk(struct nvm_tgt_dev *tgt_dev, struct ppa_addr *p, int flags) } EXPORT_SYMBOL(nvm_erase_blk); -int nvm_get_l2p_tbl(struct nvm_dev *dev, u64 slba, u32 nlb, +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; @@ -237,14 +238,18 @@ int nvm_get_l2p_tbl(struct nvm_dev *dev, u64 slba, u32 nlb, } EXPORT_SYMBOL(nvm_get_l2p_tbl); -int nvm_get_area(struct nvm_dev *dev, sector_t *lba, sector_t len) +int nvm_get_area(struct nvm_tgt_dev *tgt_dev, sector_t *lba, sector_t len) { + struct nvm_dev *dev = tgt_dev->parent; + return dev->mt->get_area(dev, lba, len); } EXPORT_SYMBOL(nvm_get_area); -void nvm_put_area(struct nvm_dev *dev, sector_t lba) +void nvm_put_area(struct nvm_tgt_dev *tgt_dev, sector_t lba) { + struct nvm_dev *dev = tgt_dev->parent; + dev->mt->put_area(dev, lba); } EXPORT_SYMBOL(nvm_put_area); diff --git a/drivers/lightnvm/rrpc.c b/drivers/lightnvm/rrpc.c index 150b5f30..a9fe89d 100644 --- a/drivers/lightnvm/rrpc.c +++ b/drivers/lightnvm/rrpc.c @@ -983,8 +983,8 @@ static int rrpc_submit_io(struct rrpc *rrpc, struct bio *bio, if (!(flags & NVM_IOTYPE_GC)) { rrpc_unlock_rq(rrpc, rqd); if (rqd->nr_ppas > 1) - nvm_dev_dma_free(dev->parent, - rqd->ppa_list, rqd->dma_ppa_list); + nvm_dev_dma_free(dev->parent, rqd->ppa_list, + rqd->dma_ppa_list); } return NVM_IO_ERR; } @@ -1116,7 +1116,7 @@ static int rrpc_l2p_update(u64 slba, u32 nlb, __le64 *entries, void *private) div_u64_rem(pba, rrpc->nr_sects, &mod); - gaddr = rrpc_recov_addr(dev->parent, pba); + gaddr = rrpc_recov_addr(dev, pba); rlun = rrpc_ppa_to_lun(rrpc, gaddr); if (!rlun) { pr_err("rrpc: unmapped 'ch:%d,lun:%d' l2p corruption\n", @@ -1168,8 +1168,8 @@ static int rrpc_map_init(struct rrpc *rrpc) } /* Bring up the mapping table from device */ - ret = nvm_get_l2p_tbl(dev->parent, rrpc->soffset, rrpc->nr_sects, - rrpc_l2p_update, rrpc); + ret = nvm_get_l2p_tbl(dev, rrpc->soffset, rrpc->nr_sects, + rrpc_l2p_update, rrpc); if (ret) { pr_err("nvm: rrpc: could not read L2P table.\n"); return -EINVAL; @@ -1374,7 +1374,7 @@ static int rrpc_area_init(struct rrpc *rrpc, sector_t *begin) size >>= 9; - ret = nvm_get_area(dev->parent, begin, size); + ret = nvm_get_area(dev, begin, size); if (!ret) *begin >>= (ilog2(dev->geo.sec_size) - 9); @@ -1386,7 +1386,7 @@ static void rrpc_area_free(struct rrpc *rrpc) struct nvm_tgt_dev *dev = rrpc->dev; sector_t begin = rrpc->soffset << (ilog2(dev->geo.sec_size) - 9); - nvm_put_area(dev->parent, begin); + nvm_put_area(dev, begin); } static void rrpc_free(struct rrpc *rrpc) diff --git a/drivers/lightnvm/rrpc.h b/drivers/lightnvm/rrpc.h index bc8adba..94e4d73 100644 --- a/drivers/lightnvm/rrpc.h +++ b/drivers/lightnvm/rrpc.h @@ -184,7 +184,7 @@ static inline struct ppa_addr rrpc_linear_to_generic_addr(struct nvm_geo *geo, return l; } -static inline struct ppa_addr rrpc_recov_addr(struct nvm_dev *dev, u64 pba) +static inline struct ppa_addr rrpc_recov_addr(struct nvm_tgt_dev *dev, u64 pba) { return linear_to_generic_addr(&dev->geo, pba); } diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 44780ef..5a8217f 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -538,10 +538,10 @@ extern int nvm_set_rqd_ppalist(struct nvm_dev *, struct nvm_rq *, extern void nvm_free_rqd_ppalist(struct nvm_dev *, struct nvm_rq *); extern int nvm_erase_ppa(struct nvm_dev *, struct ppa_addr *, int, int); extern int nvm_erase_blk(struct nvm_tgt_dev *, struct ppa_addr *, int); -extern int nvm_get_l2p_tbl(struct nvm_dev *, u64, u32, nvm_l2p_update_fn *, +extern int nvm_get_l2p_tbl(struct nvm_tgt_dev *, u64, u32, nvm_l2p_update_fn *, void *); -extern int nvm_get_area(struct nvm_dev *, sector_t *, sector_t); -extern void nvm_put_area(struct nvm_dev *, sector_t); +extern int nvm_get_area(struct nvm_tgt_dev *, sector_t *, sector_t); +extern void nvm_put_area(struct nvm_tgt_dev *, sector_t); extern void nvm_end_io(struct nvm_rq *, int); extern int nvm_submit_ppa(struct nvm_dev *, struct ppa_addr *, int, int, int, void *, int); -- 2.7.4