From patchwork Wed Jan 21 16:02:13 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chuck Lever X-Patchwork-Id: 5678711 Return-Path: X-Original-To: patchwork-linux-nfs@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 66FF89F333 for ; Wed, 21 Jan 2015 16:02:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A96AB204A0 for ; Wed, 21 Jan 2015 16:02:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A9E81204C9 for ; Wed, 21 Jan 2015 16:02:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753940AbbAUQC1 (ORCPT ); Wed, 21 Jan 2015 11:02:27 -0500 Received: from mail-ie0-f170.google.com ([209.85.223.170]:43222 "EHLO mail-ie0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753252AbbAUQCX (ORCPT ); Wed, 21 Jan 2015 11:02:23 -0500 Received: by mail-ie0-f170.google.com with SMTP id y20so16555673ier.1; Wed, 21 Jan 2015 08:02:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:subject:from:to:cc:date:message-id:in-reply-to:references :user-agent:mime-version:content-type:content-transfer-encoding; bh=nK9WWCNfa45LFhFLAtag5YkIV8dbaa1X44p9D1XDpoQ=; b=w4x5hbT9Xu/luyw9Q6+Di4HajBiXzdVV8g11kQACPYkfDCmjr/GQ1yXa3jYIGW0Vnc jQtsZyw/YuojKQ+oyE3iwsm3SwXspKWU+KRC/Y7PAG/GqdjSGclgaBkxSaqCYSvl6zys 3d2ag1BvYZS0aN4m+owv8JhOhNbB+YdBkXNnQ0UAP1hMVFoBoxHZy2HRDbakn2HMhLi1 GRqpOJfrhQGqSA914mNCtfqGdrtztqwiBrbkOKH/810wwHcNh+smSXpva8IHPCZmQt5N NMoxLKWwXaVVly97lSS9vs+Vkx0ej0fqjiXsVmyBlIgdLME1GkEafA0p1GFlK5MmbZfZ nerw== X-Received: by 10.50.79.228 with SMTP id m4mr5285792igx.43.1421856134462; Wed, 21 Jan 2015 08:02:14 -0800 (PST) Received: from manet.1015granger.net ([2604:8800:100:81fc:82ee:73ff:fe43:d64f]) by mx.google.com with ESMTPSA id la3sm6102935igb.0.2015.01.21.08.02.13 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 21 Jan 2015 08:02:14 -0800 (PST) Subject: [PATCH v3 02/20] xprtrdma: Modernize htonl and ntohl From: Chuck Lever To: Anna.Schumaker@netapp.com Cc: linux-rdma@vger.kernel.org, linux-nfs@vger.kernel.org Date: Wed, 21 Jan 2015 11:02:13 -0500 Message-ID: <20150121160213.17297.70220.stgit@manet.1015granger.net> In-Reply-To: <20150121155303.17297.47423.stgit@manet.1015granger.net> References: <20150121155303.17297.47423.stgit@manet.1015granger.net> User-Agent: StGit/0.17.1-3-g7d0f MIME-Version: 1.0 Sender: linux-nfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Clean up: Replace htonl and ntohl with the be32 equivalents. Signed-off-by: Chuck Lever Reviewed-by: Steve Wise --- include/linux/sunrpc/rpc_rdma.h | 9 +++++++ include/linux/sunrpc/svc_rdma.h | 2 -- net/sunrpc/xprtrdma/rpc_rdma.c | 48 +++++++++++++++++++++------------------ 3 files changed, 35 insertions(+), 24 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/include/linux/sunrpc/rpc_rdma.h b/include/linux/sunrpc/rpc_rdma.h index b78f16b..1578ed2 100644 --- a/include/linux/sunrpc/rpc_rdma.h +++ b/include/linux/sunrpc/rpc_rdma.h @@ -42,6 +42,9 @@ #include +#define RPCRDMA_VERSION 1 +#define rpcrdma_version cpu_to_be32(RPCRDMA_VERSION) + struct rpcrdma_segment { __be32 rs_handle; /* Registered memory handle */ __be32 rs_length; /* Length of the chunk in bytes */ @@ -115,4 +118,10 @@ enum rpcrdma_proc { RDMA_ERROR = 4 /* An RPC RDMA encoding error */ }; +#define rdma_msg cpu_to_be32(RDMA_MSG) +#define rdma_nomsg cpu_to_be32(RDMA_NOMSG) +#define rdma_msgp cpu_to_be32(RDMA_MSGP) +#define rdma_done cpu_to_be32(RDMA_DONE) +#define rdma_error cpu_to_be32(RDMA_ERROR) + #endif /* _LINUX_SUNRPC_RPC_RDMA_H */ diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 975da75..ddfe88f 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -63,8 +63,6 @@ extern atomic_t rdma_stat_rq_prod; extern atomic_t rdma_stat_sq_poll; extern atomic_t rdma_stat_sq_prod; -#define RPCRDMA_VERSION 1 - /* * Contexts are built when an RDMA request is created and are a * record of the resources that can be recovered when the request diff --git a/net/sunrpc/xprtrdma/rpc_rdma.c b/net/sunrpc/xprtrdma/rpc_rdma.c index df01d12..a6fb30b 100644 --- a/net/sunrpc/xprtrdma/rpc_rdma.c +++ b/net/sunrpc/xprtrdma/rpc_rdma.c @@ -209,9 +209,11 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target, if (cur_rchunk) { /* read */ cur_rchunk->rc_discrim = xdr_one; /* all read chunks have the same "position" */ - cur_rchunk->rc_position = htonl(pos); - cur_rchunk->rc_target.rs_handle = htonl(seg->mr_rkey); - cur_rchunk->rc_target.rs_length = htonl(seg->mr_len); + cur_rchunk->rc_position = cpu_to_be32(pos); + cur_rchunk->rc_target.rs_handle = + cpu_to_be32(seg->mr_rkey); + cur_rchunk->rc_target.rs_length = + cpu_to_be32(seg->mr_len); xdr_encode_hyper( (__be32 *)&cur_rchunk->rc_target.rs_offset, seg->mr_base); @@ -222,8 +224,10 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target, cur_rchunk++; r_xprt->rx_stats.read_chunk_count++; } else { /* write/reply */ - cur_wchunk->wc_target.rs_handle = htonl(seg->mr_rkey); - cur_wchunk->wc_target.rs_length = htonl(seg->mr_len); + cur_wchunk->wc_target.rs_handle = + cpu_to_be32(seg->mr_rkey); + cur_wchunk->wc_target.rs_length = + cpu_to_be32(seg->mr_len); xdr_encode_hyper( (__be32 *)&cur_wchunk->wc_target.rs_offset, seg->mr_base); @@ -257,7 +261,7 @@ rpcrdma_create_chunks(struct rpc_rqst *rqst, struct xdr_buf *target, *iptr++ = xdr_zero; /* encode a NULL reply chunk */ } else { warray->wc_discrim = xdr_one; - warray->wc_nchunks = htonl(nchunks); + warray->wc_nchunks = cpu_to_be32(nchunks); iptr = (__be32 *) cur_wchunk; if (type == rpcrdma_writech) { *iptr++ = xdr_zero; /* finish the write chunk list */ @@ -404,11 +408,11 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) /* build RDMA header in private area at front */ headerp = (struct rpcrdma_msg *) req->rl_base; - /* don't htonl XID, it's already done in request */ + /* don't byte-swap XID, it's already done in request */ headerp->rm_xid = rqst->rq_xid; - headerp->rm_vers = xdr_one; - headerp->rm_credit = htonl(r_xprt->rx_buf.rb_max_requests); - headerp->rm_type = htonl(RDMA_MSG); + headerp->rm_vers = rpcrdma_version; + headerp->rm_credit = cpu_to_be32(r_xprt->rx_buf.rb_max_requests); + headerp->rm_type = rdma_msg; /* * Chunks needed for results? @@ -482,11 +486,11 @@ rpcrdma_marshal_req(struct rpc_rqst *rqst) RPCRDMA_INLINE_PAD_VALUE(rqst)); if (padlen) { - headerp->rm_type = htonl(RDMA_MSGP); + headerp->rm_type = rdma_msgp; headerp->rm_body.rm_padded.rm_align = - htonl(RPCRDMA_INLINE_PAD_VALUE(rqst)); + cpu_to_be32(RPCRDMA_INLINE_PAD_VALUE(rqst)); headerp->rm_body.rm_padded.rm_thresh = - htonl(RPCRDMA_INLINE_PAD_THRESH); + cpu_to_be32(RPCRDMA_INLINE_PAD_THRESH); headerp->rm_body.rm_padded.rm_pempty[0] = xdr_zero; headerp->rm_body.rm_padded.rm_pempty[1] = xdr_zero; headerp->rm_body.rm_padded.rm_pempty[2] = xdr_zero; @@ -570,7 +574,7 @@ rpcrdma_count_chunks(struct rpcrdma_rep *rep, unsigned int max, int wrchunk, __b unsigned int i, total_len; struct rpcrdma_write_chunk *cur_wchunk; - i = ntohl(**iptrp); /* get array count */ + i = be32_to_cpu(**iptrp); if (i > max) return -1; cur_wchunk = (struct rpcrdma_write_chunk *) (*iptrp + 1); @@ -582,11 +586,11 @@ rpcrdma_count_chunks(struct rpcrdma_rep *rep, unsigned int max, int wrchunk, __b xdr_decode_hyper((__be32 *)&seg->rs_offset, &off); dprintk("RPC: %s: chunk %d@0x%llx:0x%x\n", __func__, - ntohl(seg->rs_length), + be32_to_cpu(seg->rs_length), (unsigned long long)off, - ntohl(seg->rs_handle)); + be32_to_cpu(seg->rs_handle)); } - total_len += ntohl(seg->rs_length); + total_len += be32_to_cpu(seg->rs_length); ++cur_wchunk; } /* check and adjust for properly terminated write chunk */ @@ -749,9 +753,9 @@ rpcrdma_reply_handler(struct rpcrdma_rep *rep) goto repost; } headerp = (struct rpcrdma_msg *) rep->rr_base; - if (headerp->rm_vers != xdr_one) { + if (headerp->rm_vers != rpcrdma_version) { dprintk("RPC: %s: invalid version %d\n", - __func__, ntohl(headerp->rm_vers)); + __func__, be32_to_cpu(headerp->rm_vers)); goto repost; } @@ -793,7 +797,7 @@ repost: /* check for expected message types */ /* The order of some of these tests is important. */ switch (headerp->rm_type) { - case htonl(RDMA_MSG): + case rdma_msg: /* never expect read chunks */ /* never expect reply chunks (two ways to check) */ /* never expect write chunks without having offered RDMA */ @@ -832,7 +836,7 @@ repost: rpcrdma_inline_fixup(rqst, (char *)iptr, rep->rr_len, rdmalen); break; - case htonl(RDMA_NOMSG): + case rdma_nomsg: /* never expect read or write chunks, always reply chunks */ if (headerp->rm_body.rm_chunks[0] != xdr_zero || headerp->rm_body.rm_chunks[1] != xdr_zero || @@ -853,7 +857,7 @@ badheader: dprintk("%s: invalid rpcrdma reply header (type %d):" " chunks[012] == %d %d %d" " expected chunks <= %d\n", - __func__, ntohl(headerp->rm_type), + __func__, be32_to_cpu(headerp->rm_type), headerp->rm_body.rm_chunks[0], headerp->rm_body.rm_chunks[1], headerp->rm_body.rm_chunks[2],