[3/4] lib/hexdump.c: Replace ascii bool in hex_dump_to_buffer with flags

Message ID	20190410031720.11067-4-alastair@au1.ibm.com (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-fbdev-owner@kernel.org> Gateway: Authorized Use Only! Violators will be prosecuted for <linux-fbdev@vger.kernel.org> from <alastair@au1.ibm.com>; Wed, 10 Apr 2019 04:18:00 +0100 Gateway: Authorized Use Only! Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Wed, 10 Apr 2019 04:17:50 +0100 From: "Alastair D'Silva" <alastair@au1.ibm.com> To: alastair@d-silva.org Cc: Jani Nikula <jani.nikula@linux.intel.com>, Joonas Lahtinen <joonas.lahtinen@linux.intel.com>, Rodrigo Vivi <rodrigo.vivi@intel.com>, David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>, Karsten Keil <isdn@linux-pingi.de>, Jassi Brar <jassisinghbrar@gmail.com>, Tom Lendacky <thomas.lendacky@amd.com>, "David S. Miller" <davem@davemloft.net>, Jose Abreu <Jose.Abreu@synopsys.com>, Kalle Valo <kvalo@codeaurora.org>, Stanislaw Gruszka <sgruszka@redhat.com>, Benson Leung <bleung@chromium.org>, Enric Balletbo i Serra <enric.balletbo@collabora.com>, "James E.J. Bottomley" <jejb@linux.ibm.com>, "Martin K. Petersen" <martin.petersen@oracle.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Alexander Viro <viro@zeniv.linux.org.uk>, Petr Mladek <pmladek@suse.com>, Sergey Senozhatsky <sergey.senozhatsky@gmail.com>, Steven Rostedt <rostedt@goodmis.org>, Andrew Morton <akpm@linux-foundation.org>, 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 3/4] lib/hexdump.c: Replace ascii bool in hex_dump_to_buffer with flags Date: Wed, 10 Apr 2019 13:17:19 +1000 In-Reply-To: <20190410031720.11067-1-alastair@au1.ibm.com> References: <20190410031720.11067-1-alastair@au1.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-Id: <20190410031720.11067-4-alastair@au1.ibm.com> Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk
Series	Hexdump enhancements \| expand [0/4] Hexdump enhancements [1/4] lib/hexdump.c: Allow 64 bytes per line [2/4] lib/hexdump.c: Optionally suppress lines of filler bytes [3/4] lib/hexdump.c: Replace ascii bool in hex_dump_to_buffer with flags [4/4] lib/hexdump.c: Allow multiple groups to be separated by lines '\|'

diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 49fa43ff02ba..fb133e729f9a 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -1318,7 +1318,7 @@ 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 386731ec2489..f13f34db6c17 100644 --- a/drivers/isdn/hardware/mISDN/mISDNisar.c +++ b/drivers/isdn/hardware/mISDN/mISDNisar.c @@ -84,7 +84,8 @@ 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; @@ -113,7 +114,8 @@ 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 4e4ac4be6423..2f9a094d0259 100644 --- a/drivers/mailbox/mailbox-test.c +++ b/drivers/mailbox/mailbox-test.c @@ -213,7 +213,7 @@ 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 0cc911f928b1..e954a31cee0c 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 271977f7fbb0..acbe26d22c34 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c @@ -3247,7 +3247,7 @@ 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 c090db2cd5be..238ede4a26d8 100644 --- a/drivers/platform/chrome/wilco_ec/debugfs.c +++ b/drivers/platform/chrome/wilco_ec/debugfs.c @@ -174,7 +174,8 @@ static ssize_t raw_read(struct file *file, char __user *user_buf, size_t count, fmt_len = hex_dump_to_buffer(debug_info->raw_data, debug_info->response_size, 16, 1, debug_info->formatted_data, - FORMATTED_BUFFER_SIZE, true); + FORMATTED_BUFFER_SIZE, + 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 bd70339c1242..fce542bb40e6 100644 --- a/drivers/scsi/scsi_logging.c +++ b/drivers/scsi/scsi_logging.c @@ -263,7 +263,7 @@ 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); @@ -274,8 +274,7 @@ 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); @@ -354,8 +353,7 @@ 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 1dea7a8a5255..a0213637af3e 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -873,7 +873,8 @@ 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 c014e5573665..82975853c400 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -493,7 +493,7 @@ enum { extern int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, int groupsize, char *linebuf, size_t linebuflen, - bool ascii); + u64 flags); #ifdef CONFIG_PRINTK extern void print_hex_dump_ext(const char *level, const char *prefix_str, diff --git a/lib/hexdump.c b/lib/hexdump.c index 2f3bafb55a44..79db784577e7 100644 --- a/lib/hexdump.c +++ b/lib/hexdump.c @@ -84,7 +84,8 @@ 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, i.e., * 16, 32 or 64 bytes of input data converted to hex + ASCII output. @@ -95,7 +96,7 @@ 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 @@ -107,7 +108,7 @@ 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, u64 flags) { const u8 *ptr = buf; int ngroups; @@ -184,7 +185,7 @@ 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) { @@ -204,7 +205,8 @@ 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); @@ -299,8 +301,7 @@ void print_hex_dump_ext(const char *level, const char *prefix_str, first_line = false; hex_dump_to_buffer(ptr + i, linelen, rowsize, groupsize, - linebuf, sizeof(linebuf), - flags & HEXDUMP_ASCII); + linebuf, sizeof(linebuf), flags); switch (prefix_type) { case DUMP_PREFIX_ADDRESS: diff --git a/lib/test_hexdump.c b/lib/test_hexdump.c index 5144899d3c6b..16bdb483114d 100644 --- a/lib/test_hexdump.c +++ b/lib/test_hexdump.c @@ -132,7 +132,7 @@ 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), @@ -171,7 +171,8 @@ static void __init test_hexdump_overflow(size_t buflen, size_t len, memset(buf, FILL_CHAR, sizeof(buf)); - r = hex_dump_to_buffer(data_b, len, rs, gs, buf, buflen, ascii); + r = hex_dump_to_buffer(data_b, len, rs, gs, buf, buflen, + ascii ? HEXDUMP_ASCII : 0); /* * Caller must provide the data length multiple of groupsize. The

[3/4] lib/hexdump.c: Replace ascii bool in hex_dump_to_buffer with flags

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