On Wed, 08 May 2019, Alastair D'Silva <alastair@xxxxxxxxxxx> wrote: > From: Alastair D'Silva <alastair@xxxxxxxxxxx> > > In order to support additional features in hex_dump_to_buffer, replace > the ascii bool parameter with flags. > > Signed-off-by: Alastair D'Silva <alastair@xxxxxxxxxxx> > --- > drivers/gpu/drm/i915/intel_engine_cs.c | 2 +- For i915, Acked-by: Jani Nikula <jani.nikula@xxxxxxxxx> > 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 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..26d9ae5c2dc2 100644 > --- a/drivers/platform/chrome/wilco_ec/debugfs.c > +++ b/drivers/platform/chrome/wilco_ec/debugfs.c > @@ -174,7 +174,7 @@ 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 938a67580d78..00a82e468643 100644 > --- a/include/linux/printk.h > +++ b/include/linux/printk.h > @@ -480,13 +480,13 @@ 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 (1 << 0) > #define HEXDUMP_SUPPRESS_REPEATED (1 << 1) > > +extern int hex_dump_to_buffer(const void *buf, size_t len, int rowsize, > + int groupsize, char *linebuf, size_t linebuflen, > + u64 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 d61a1e4f19fa..ddd1697e5f9b 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 > * <groupsize> 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, u64 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 -- Jani Nikula, Intel Open Source Graphics Center