From patchwork Wed Sep 4 14:52:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Avri Altman X-Patchwork-Id: 825773 Received: from esa2.hgst.iphmx.com (esa2.hgst.iphmx.com [68.232.143.124]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 52CAF1DC724 for ; Wed, 4 Sep 2024 14:55:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.143.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725461708; cv=none; b=JAP3YyP4uJ6gzs7g6TE2DPReUEIjl5uoBWbnYFhmCLifKYboCAraw+Qp5cWn02NBqdsxKOqNpYhteN7CKX7r9sNrqtEQEuSP7xTfz+o/PE85GwCm1NJFLsezBMB8dDgtqiKZuQPzZw6SEqZj1zBlwbN/b5cRejXCZQqPZCroADE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725461708; c=relaxed/simple; bh=0KCtGpv96/1E4gHzaA3O82LyJ6M9J4NzSYl28bN/Dc8=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=DAyi4lyZ2r+c1wPrrmVDerztak+52t7+9MRZDvb0DGBTie5YH4tUHYaB5c0B9fL94wyNjpPkGmDKycSfqMjhgyTgSKQWndI2lkmBd6c1wtx5fmc0TU/QOJpGvJVzyy2U1+of1pM9d21ZjZxAbReYdXJ7V2pYX4txbQzJSTfaDws= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com; spf=pass smtp.mailfrom=wdc.com; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b=O08xuQgZ; arc=none smtp.client-ip=68.232.143.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wdc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="O08xuQgZ" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1725461706; x=1756997706; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0KCtGpv96/1E4gHzaA3O82LyJ6M9J4NzSYl28bN/Dc8=; b=O08xuQgZyIeX3+NUfQha+8e0qwb/OT5zX+M5q76Q7zTrWzY8SheDQPav TLcvLSeqsluUrys0hner51i/Ervk5qnBwb5OnSMvUBJ920nF2TMxgu7oI OSJQMQJxRkwZMyFb2ttEEfLJNwHwwcf11BquLiJU8tqjlSpo2QssBb848 u1//YCa4vaYVBkqxtTKNVP64rVayOjFyhxZIF4r6iaDsaiYzIAhjF3LBw xApRgJDoR3McuxIC9lLqFucTQUReAsEfrG9AlWsDR2XN476z4JmosxImK stWNPGLqNdfEniIVVb/GQYMdEEe6UxrgVsB+R13Vlx8WirQu7SspkZx/M g==; X-CSE-ConnectionGUID: WUs07+KtTQCWqHrAGi6p+A== X-CSE-MsgGUID: XOei77PqRkCQQn2NKCMusg== X-IronPort-AV: E=Sophos;i="6.10,202,1719849600"; d="scan'208";a="26291314" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 04 Sep 2024 22:55:05 +0800 IronPort-SDR: 66d867f3_8GnOuIOxF81Bm99oXh+/ZcuUQFXMaKRi1ZZGfby3yM0Xyol jJeqvpExhCLRCSw1AfsA2tqOZJcSH60jAF5DM+g== Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 04 Sep 2024 07:00:19 -0700 WDCIronportException: Internal Received: from avri-office.ad.shared (HELO avri-office.sdcorp.global.sandisk.com) ([10.45.31.142]) by uls-op-cesaip01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 04 Sep 2024 07:55:05 -0700 From: Avri Altman To: Ulf Hansson , linux-mmc@vger.kernel.org Cc: Adrian Hunter , Ricky WU , Shawn Lin , Avri Altman Subject: [PATCH v6 5/9] mmc: core: Allow mmc erase to carry large addresses Date: Wed, 4 Sep 2024 17:52:52 +0300 Message-Id: <20240904145256.3670679-6-avri.altman@wdc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240904145256.3670679-1-avri.altman@wdc.com> References: <20240904145256.3670679-1-avri.altman@wdc.com> Precedence: bulk X-Mailing-List: linux-mmc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Preparing for SDUC, Allow the erase address to be larger beyond a 32 bit address. Tested-by: Ricky WU Signed-off-by: Avri Altman --- drivers/mmc/core/block.c | 6 ++++-- drivers/mmc/core/core.c | 33 ++++++++++++++++++--------------- drivers/mmc/core/core.h | 16 ++++++++++++---- 3 files changed, 34 insertions(+), 21 deletions(-) diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 35e82b0f924b..50d37c4f5a50 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -1200,7 +1200,8 @@ static void mmc_blk_issue_erase_rq(struct mmc_queue *mq, struct request *req, { struct mmc_blk_data *md = mq->blkdata; struct mmc_card *card = md->queue.card; - unsigned int from, nr; + unsigned int nr; + sector_t from; int err = 0; blk_status_t status = BLK_STS_OK; @@ -1255,7 +1256,8 @@ static void mmc_blk_issue_secdiscard_rq(struct mmc_queue *mq, { struct mmc_blk_data *md = mq->blkdata; struct mmc_card *card = md->queue.card; - unsigned int from, nr, arg; + unsigned int nr, arg; + sector_t from; int err = 0, type = MMC_BLK_SECDISCARD; blk_status_t status = BLK_STS_OK; diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index a0b2999684b3..06f63fbaadfb 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -1601,8 +1601,8 @@ static unsigned int mmc_erase_timeout(struct mmc_card *card, return mmc_mmc_erase_timeout(card, arg, qty); } -static int mmc_do_erase(struct mmc_card *card, unsigned int from, - unsigned int to, unsigned int arg) +static int mmc_do_erase(struct mmc_card *card, sector_t from, + sector_t to, unsigned int arg) { struct mmc_command cmd = {}; unsigned int qty = 0, busy_timeout = 0; @@ -1633,8 +1633,8 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from, else if (mmc_card_sd(card)) qty += to - from + 1; else - qty += ((to / card->erase_size) - - (from / card->erase_size)) + 1; + qty += (mmc_sector_div(to, card->erase_size) - + mmc_sector_div(from, card->erase_size)) + 1; if (!mmc_card_blockaddr(card)) { from <<= 9; @@ -1703,18 +1703,19 @@ static int mmc_do_erase(struct mmc_card *card, unsigned int from, } static unsigned int mmc_align_erase_size(struct mmc_card *card, - unsigned int *from, - unsigned int *to, + sector_t *from, + sector_t *to, unsigned int nr) { - unsigned int from_new = *from, nr_new = nr, rem; + sector_t from_new = *from; + unsigned int nr_new = nr, rem; /* * When the 'card->erase_size' is power of 2, we can use round_up/down() * to align the erase size efficiently. */ if (is_power_of_2(card->erase_size)) { - unsigned int temp = from_new; + sector_t temp = from_new; from_new = round_up(temp, card->erase_size); rem = from_new - temp; @@ -1726,7 +1727,7 @@ static unsigned int mmc_align_erase_size(struct mmc_card *card, nr_new = round_down(nr_new, card->erase_size); } else { - rem = from_new % card->erase_size; + rem = mmc_sector_mod(from_new, card->erase_size); if (rem) { rem = card->erase_size - rem; from_new += rem; @@ -1759,10 +1760,12 @@ static unsigned int mmc_align_erase_size(struct mmc_card *card, * * Caller must claim host before calling this function. */ -int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr, +int mmc_erase(struct mmc_card *card, sector_t from, unsigned int nr, unsigned int arg) { - unsigned int rem, to = from + nr; + unsigned int rem; + sector_t to = from + nr; + int err; if (!(card->csd.cmdclass & CCC_ERASE)) @@ -1783,7 +1786,7 @@ int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr, return -EOPNOTSUPP; if (arg == MMC_SECURE_ERASE_ARG) { - if (from % card->erase_size || nr % card->erase_size) + if (mmc_sector_mod(from, card->erase_size) || nr % card->erase_size) return -EINVAL; } @@ -1807,7 +1810,7 @@ int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr, * and call mmc_do_erase() twice if necessary. This special case is * identified by the card->eg_boundary flag. */ - rem = card->erase_size - (from % card->erase_size); + rem = card->erase_size - mmc_sector_mod(from, card->erase_size); if ((arg & MMC_TRIM_OR_DISCARD_ARGS) && card->eg_boundary && nr > rem) { err = mmc_do_erase(card, from, from + rem - 1, arg); from += rem; @@ -1866,12 +1869,12 @@ int mmc_can_secure_erase_trim(struct mmc_card *card) } EXPORT_SYMBOL(mmc_can_secure_erase_trim); -int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from, +int mmc_erase_group_aligned(struct mmc_card *card, sector_t from, unsigned int nr) { if (!card->erase_size) return 0; - if (from % card->erase_size || nr % card->erase_size) + if (mmc_sector_mod(from, card->erase_size) || nr % card->erase_size) return 0; return 1; } diff --git a/drivers/mmc/core/core.h b/drivers/mmc/core/core.h index 37091a6589ed..fc9d5e9620b1 100644 --- a/drivers/mmc/core/core.h +++ b/drivers/mmc/core/core.h @@ -116,15 +116,13 @@ bool mmc_is_req_done(struct mmc_host *host, struct mmc_request *mrq); int mmc_start_request(struct mmc_host *host, struct mmc_request *mrq); -int mmc_erase(struct mmc_card *card, unsigned int from, unsigned int nr, - unsigned int arg); +int mmc_erase(struct mmc_card *card, sector_t from, unsigned int nr, unsigned int arg); int mmc_can_erase(struct mmc_card *card); int mmc_can_trim(struct mmc_card *card); int mmc_can_discard(struct mmc_card *card); int mmc_can_sanitize(struct mmc_card *card); int mmc_can_secure_erase_trim(struct mmc_card *card); -int mmc_erase_group_aligned(struct mmc_card *card, unsigned int from, - unsigned int nr); +int mmc_erase_group_aligned(struct mmc_card *card, sector_t from, unsigned int nr); unsigned int mmc_calc_max_discard(struct mmc_card *card); int mmc_set_blocklen(struct mmc_card *card, unsigned int blocklen); @@ -199,4 +197,14 @@ static inline int mmc_flush_cache(struct mmc_host *host) return 0; } +static inline unsigned int mmc_sector_div(sector_t dividend, u32 divisor) +{ + return div_u64(dividend, divisor); +} + +static inline unsigned int mmc_sector_mod(sector_t dividend, u32 divisor) +{ + return sector_div(dividend, divisor); +} + #endif