From patchwork Mon Jun 17 02:04:27 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alastair D'Silva X-Patchwork-Id: 10997741 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3B6FC1575 for ; Mon, 17 Jun 2019 02:07:00 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 29E6428807 for ; Mon, 17 Jun 2019 02:07:00 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1D56A28814; Mon, 17 Jun 2019 02:07:00 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1729428815 for ; Mon, 17 Jun 2019 02:06:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727551AbfFQCG6 (ORCPT ); Sun, 16 Jun 2019 22:06:58 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:52494 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727322AbfFQCG5 (ORCPT ); Sun, 16 Jun 2019 22:06:57 -0400 Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5H26rH3108325 for ; Sun, 16 Jun 2019 22:06:56 -0400 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0a-001b2d01.pphosted.com with ESMTP id 2t5x9dw1ha-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Sun, 16 Jun 2019 22:06:55 -0400 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 17 Jun 2019 03:06:44 +0100 Received: from d06av21.portsmouth.uk.ibm.com (d06av21.portsmouth.uk.ibm.com [9.149.105.232]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x5H26hnJ63242362 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 17 Jun 2019 02:06:43 GMT Received: from d06av21.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 2930C52059; Mon, 17 Jun 2019 02:06:43 +0000 (GMT) Received: from ozlabs.au.ibm.com (unknown [9.192.253.14]) by d06av21.portsmouth.uk.ibm.com (Postfix) with ESMTP id 924825204E; Mon, 17 Jun 2019 02:06:42 +0000 (GMT) Received: from adsilva.ozlabs.ibm.com (haven.au.ibm.com [9.192.254.114]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.au.ibm.com (Postfix) with ESMTPSA id 7FC7BA0208; Mon, 17 Jun 2019 12:06:41 +1000 (AEST) From: "Alastair D'Silva" To: alastair@d-silva.org Cc: Jani Nikula , Joonas Lahtinen , Rodrigo Vivi , David Airlie , Daniel Vetter , Dan Carpenter , Karsten Keil , Jassi Brar , Tom Lendacky , "David S. Miller" , Jose Abreu , Kalle Valo , Stanislaw Gruszka , Benson Leung , Enric Balletbo i Serra , "James E.J. Bottomley" , "Martin K. Petersen" , Greg Kroah-Hartman , Alexander Viro , Petr Mladek , Sergey Senozhatsky , Steven Rostedt , David Laight , Andrew Morton , intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, linux-scsi@vger.kernel.org, linux-fbdev@vger.kernel.org, devel@driverdev.osuosl.org, linux-fsdevel@vger.kernel.org Subject: [PATCH v3 4/7] lib/hexdump.c: Replace ascii bool in hex_dump_to_buffer with flags Date: Mon, 17 Jun 2019 12:04:27 +1000 X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190617020430.8708-1-alastair@au1.ibm.com> References: <20190617020430.8708-1-alastair@au1.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 x-cbid: 19061702-0008-0000-0000-000002F449E1 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19061702-0009-0000-0000-000022615945 Message-Id: <20190617020430.8708-5-alastair@au1.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-17_01:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906170019 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Alastair D'Silva In order to support additional features in hex_dump_to_buffer, replace the ascii bool parameter with flags. Signed-off-by: Alastair D'Silva Acked-by: Jani Nikula --- drivers/gpu/drm/i915/intel_engine_cs.c | 2 +- drivers/isdn/hardware/mISDN/mISDNisar.c | 6 ++++-- drivers/mailbox/mailbox-test.c | 2 +- drivers/net/ethernet/amd/xgbe/xgbe-drv.c | 2 +- drivers/net/ethernet/synopsys/dwc-xlgmac-common.c | 2 +- drivers/net/wireless/ath/ath10k/debug.c | 3 ++- drivers/net/wireless/intel/iwlegacy/3945-mac.c | 2 +- drivers/platform/chrome/wilco_ec/debugfs.c | 2 +- drivers/scsi/scsi_logging.c | 8 +++----- drivers/staging/fbtft/fbtft-core.c | 2 +- fs/seq_file.c | 3 ++- include/linux/printk.h | 8 ++++---- lib/hexdump.c | 15 ++++++++------- lib/test_hexdump.c | 5 +++-- 14 files changed, 33 insertions(+), 29 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index eea9bec04f1b..5df5fffdb848 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1340,7 +1340,7 @@ static void hexdump(struct drm_printer *m, const void *buf, size_t len) WARN_ON_ONCE(hex_dump_to_buffer(buf + pos, len - pos, rowsize, sizeof(u32), line, sizeof(line), - false) >= sizeof(line)); + 0) >= sizeof(line)); drm_printf(m, "[%04zx] %s\n", pos, line); prev = buf + pos; diff --git a/drivers/isdn/hardware/mISDN/mISDNisar.c b/drivers/isdn/hardware/mISDN/mISDNisar.c index fd5c52f37802..ccc0ee9d894f 100644 --- a/drivers/isdn/hardware/mISDN/mISDNisar.c +++ b/drivers/isdn/hardware/mISDN/mISDNisar.c @@ -71,7 +71,8 @@ send_mbox(struct isar_hw *isar, u8 his, u8 creg, u8 len, u8 *msg) while (l < (int)len) { hex_dump_to_buffer(msg + l, len - l, 32, 1, - isar->log, 256, 1); + isar->log, 256, + HEXDUMP_ASCII); pr_debug("%s: %s %02x: %s\n", isar->name, __func__, l, isar->log); l += 32; @@ -100,7 +101,8 @@ rcv_mbox(struct isar_hw *isar, u8 *msg) while (l < (int)isar->clsb) { hex_dump_to_buffer(msg + l, isar->clsb - l, 32, - 1, isar->log, 256, 1); + 1, isar->log, 256, + HEXDUMP_ASCII); pr_debug("%s: %s %02x: %s\n", isar->name, __func__, l, isar->log); l += 32; diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c index 4555d678fadd..23c3fbafdcb2 100644 --- a/drivers/mailbox/mailbox-test.c +++ b/drivers/mailbox/mailbox-test.c @@ -209,7 +209,7 @@ static ssize_t mbox_test_message_read(struct file *filp, char __user *userbuf, hex_dump_to_buffer(ptr, MBOX_BYTES_PER_LINE, MBOX_BYTES_PER_LINE, 1, touser + l, - MBOX_HEXDUMP_LINE_LEN, true); + MBOX_HEXDUMP_LINE_LEN, HEXDUMP_ASCII); ptr += MBOX_BYTES_PER_LINE; l += MBOX_HEXDUMP_LINE_LEN; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index 3dd0cecddba8..1e26410cf6c2 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -2992,7 +2992,7 @@ void xgbe_print_pkt(struct net_device *netdev, struct sk_buff *skb, bool tx_rx) unsigned int len = min(skb->len - i, 32U); hex_dump_to_buffer(&skb->data[i], len, 32, 1, - buffer, sizeof(buffer), false); + buffer, sizeof(buffer), 0); netdev_dbg(netdev, " %#06x: %s\n", i, buffer); } diff --git a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c index eb1c6b03c329..b80adfa1f890 100644 --- a/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c +++ b/drivers/net/ethernet/synopsys/dwc-xlgmac-common.c @@ -349,7 +349,7 @@ void xlgmac_print_pkt(struct net_device *netdev, unsigned int len = min(skb->len - i, 32U); hex_dump_to_buffer(&skb->data[i], len, 32, 1, - buffer, sizeof(buffer), false); + buffer, sizeof(buffer), 0); netdev_dbg(netdev, " %#06x: %s\n", i, buffer); } diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c index 32d967a31c65..4c99ea03226d 100644 --- a/drivers/net/wireless/ath/ath10k/debug.c +++ b/drivers/net/wireless/ath/ath10k/debug.c @@ -2662,7 +2662,8 @@ void ath10k_dbg_dump(struct ath10k *ar, (unsigned int)(ptr - buf)); hex_dump_to_buffer(ptr, len - (ptr - buf), 16, 1, linebuf + linebuflen, - sizeof(linebuf) - linebuflen, true); + sizeof(linebuf) - linebuflen, + HEXDUMP_ASCII); dev_printk(KERN_DEBUG, ar->dev, "%s\n", linebuf); } } diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c index b82da75a9ae3..81c4b178527a 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c @@ -3232,7 +3232,7 @@ il3945_show_measurement(struct device *d, struct device_attribute *attr, while (size && PAGE_SIZE - len) { hex_dump_to_buffer(data + ofs, size, 16, 1, buf + len, - PAGE_SIZE - len, true); + PAGE_SIZE - len, HEXDUMP_ASCII); len = strlen(buf); if (PAGE_SIZE - len) buf[len++] = '\n'; diff --git a/drivers/platform/chrome/wilco_ec/debugfs.c b/drivers/platform/chrome/wilco_ec/debugfs.c index f163476d080d..c53b18539f52 100644 --- a/drivers/platform/chrome/wilco_ec/debugfs.c +++ b/drivers/platform/chrome/wilco_ec/debugfs.c @@ -148,7 +148,7 @@ static ssize_t raw_read(struct file *file, char __user *user_buf, size_t count, debug_info->response_size, 16, 1, debug_info->formatted_data, sizeof(debug_info->formatted_data), - true); + HEXDUMP_ASCII); /* Only return response the first time it is read */ debug_info->response_size = 0; } diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c index 39b8cc4574b4..c7f3eb41d32c 100644 --- a/drivers/scsi/scsi_logging.c +++ b/drivers/scsi/scsi_logging.c @@ -262,7 +262,7 @@ void scsi_print_command(struct scsi_cmnd *cmd) "CDB[%02x]: ", k); hex_dump_to_buffer(&cmd->cmnd[k], linelen, 16, 1, logbuf + off, - logbuf_len - off, false); + logbuf_len - off, 0); } dev_printk(KERN_INFO, &cmd->device->sdev_gendev, "%s", logbuf); @@ -273,8 +273,7 @@ void scsi_print_command(struct scsi_cmnd *cmd) if (!WARN_ON(off > logbuf_len - 49)) { off += scnprintf(logbuf + off, logbuf_len - off, " "); hex_dump_to_buffer(cmd->cmnd, cmd->cmd_len, 16, 1, - logbuf + off, logbuf_len - off, - false); + logbuf + off, logbuf_len - off, 0); } out_printk: dev_printk(KERN_INFO, &cmd->device->sdev_gendev, "%s", logbuf); @@ -353,8 +352,7 @@ scsi_log_dump_sense(const struct scsi_device *sdev, const char *name, int tag, off = sdev_format_header(logbuf, logbuf_len, name, tag); hex_dump_to_buffer(&sense_buffer[i], len, 16, 1, - logbuf + off, logbuf_len - off, - false); + logbuf + off, logbuf_len - off, 0); dev_printk(KERN_INFO, &sdev->sdev_gendev, "%s", logbuf); } scsi_log_release_buffer(logbuf); diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c index 9b07badf4c6c..2e5df5cc9d61 100644 --- a/drivers/staging/fbtft/fbtft-core.c +++ b/drivers/staging/fbtft/fbtft-core.c @@ -61,7 +61,7 @@ void fbtft_dbg_hex(const struct device *dev, int groupsize, va_end(args); hex_dump_to_buffer(buf, len, 32, groupsize, text + text_len, - 512 - text_len, false); + 512 - text_len, 0); if (len > 32) dev_info(dev, "%s ...\n", text); diff --git a/fs/seq_file.c b/fs/seq_file.c index abe27ec43176..472a8acb7405 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -874,7 +874,8 @@ void seq_hex_dump(struct seq_file *m, const char *prefix_str, int prefix_type, size = seq_get_buf(m, &buffer); ret = hex_dump_to_buffer(ptr + i, linelen, rowsize, groupsize, - buffer, size, ascii); + buffer, size, + ascii ? HEXDUMP_ASCII : 0); seq_commit(m, ret < size ? ret : -1); seq_putc(m, '\n'); diff --git a/include/linux/printk.h b/include/linux/printk.h index d7754799cfe0..97dd29a2bd77 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -482,13 +482,13 @@ enum { DUMP_PREFIX_OFFSET }; -extern int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, - int groupsize, char *linebuf, size_t linebuflen, - bool ascii); - #define HEXDUMP_ASCII BIT(0) #define HEXDUMP_SUPPRESS_REPEATED BIT(1) +extern int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, + int groupsize, char *linebuf, size_t linebuflen, + u32 flags); + #ifdef CONFIG_PRINTK extern void print_hex_dump_ext(const char *level, const char *prefix_str, int prefix_type, int rowsize, int groupsize, diff --git a/lib/hexdump.c b/lib/hexdump.c index b781f888884e..08c6084d7daa 100644 --- a/lib/hexdump.c +++ b/lib/hexdump.c @@ -85,7 +85,8 @@ EXPORT_SYMBOL(bin2hex); * @groupsize: number of bytes to print at a time (1, 2, 4, 8; default = 1) * @linebuf: where to put the converted data * @linebuflen: total size of @linebuf, including space for terminating NUL - * @ascii: include ASCII after the hex output + * @flags: A bitwise OR of the following flags: + * HEXDUMP_ASCII: include ASCII after the hex output * * hex_dump_to_buffer() works on one "line" of output at a time, converting * bytes of input to hexadecimal (and optionally printable ASCII) @@ -97,7 +98,7 @@ EXPORT_SYMBOL(bin2hex); * * E.g.: * hex_dump_to_buffer(frame->data, frame->len, 16, 1, - * linebuf, sizeof(linebuf), true); + * linebuf, sizeof(linebuf), HEXDUMP_ASCII); * * example output buffer: * 40 41 42 43 44 45 46 47 48 49 4a 4b 4c 4d 4e 4f @ABCDEFGHIJKLMNO @@ -109,7 +110,7 @@ EXPORT_SYMBOL(bin2hex); * string if enough space had been available. */ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, - char *linebuf, size_t linebuflen, bool ascii) + char *linebuf, size_t linebuflen, u32 flags) { const u8 *ptr = buf; int ngroups; @@ -187,7 +188,7 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, if (j) lx--; } - if (!ascii) + if (!(flags & HEXDUMP_ASCII)) goto nil; while (lx < ascii_column) { @@ -207,7 +208,8 @@ int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, overflow2: linebuf[lx++] = '\0'; overflow1: - return ascii ? ascii_column + len : (groupsize * 2 + 1) * ngroups - 1; + return (flags & HEXDUMP_ASCII) ? ascii_column + len : + (groupsize * 2 + 1) * ngroups - 1; } EXPORT_SYMBOL(hex_dump_to_buffer); @@ -336,8 +338,7 @@ void print_hex_dump_ext(const char *level, const char *prefix_str, } hex_dump_to_buffer(ptr + i, linelen, rowsize, groupsize, - linebuf, linebuf_len, - flags & HEXDUMP_ASCII); + linebuf, linebuf_len, flags); switch (prefix_type) { case DUMP_PREFIX_ADDRESS: diff --git a/lib/test_hexdump.c b/lib/test_hexdump.c index 6ab75a209b43..ae340c5c1c6f 100644 --- a/lib/test_hexdump.c +++ b/lib/test_hexdump.c @@ -166,7 +166,7 @@ static void __init test_hexdump(size_t len, int rowsize, int groupsize, memset(real, FILL_CHAR, sizeof(real)); hex_dump_to_buffer(data_b, len, rowsize, groupsize, real, sizeof(real), - ascii); + ascii ? HEXDUMP_ASCII : 0); memset(test, FILL_CHAR, sizeof(test)); test_hexdump_prepare_test(len, rowsize, groupsize, test, sizeof(test), @@ -204,7 +204,8 @@ static void __init test_hexdump_overflow(size_t buflen, size_t len, memset(buf, FILL_CHAR, sizeof(buf)); - rc = hex_dump_to_buffer(data_b, len, rowsize, groupsize, buf, buflen, ascii); + rc = hex_dump_to_buffer(data_b, len, rowsize, groupsize, buf, buflen, + ascii ? HEXDUMP_ASCII : 0); /* * Caller must provide the data length multiple of groupsize. The