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https://github.com/torvalds/linux.git
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aic7xxx: switch to ->show_info()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
parent
f6f83a6c92
commit
6b3a8bbfd1
@ -803,7 +803,8 @@ struct scsi_host_template aic7xxx_driver_template = {
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.module = THIS_MODULE,
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.name = "aic7xxx",
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.proc_name = "aic7xxx",
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.proc_info = ahc_linux_proc_info,
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.show_info = ahc_linux_show_info,
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.write_info = ahc_proc_write_seeprom,
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.info = ahc_linux_info,
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.queuecommand = ahc_linux_queue,
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.eh_abort_handler = ahc_linux_abort,
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@ -1631,10 +1632,8 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
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switch (code) {
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case AC_TRANSFER_NEG:
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{
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char buf[80];
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struct scsi_target *starget;
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struct ahc_linux_target *targ;
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struct info_str info;
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struct ahc_initiator_tinfo *tinfo;
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struct ahc_tmode_tstate *tstate;
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int target_offset;
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@ -1642,10 +1641,6 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
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BUG_ON(target == CAM_TARGET_WILDCARD);
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info.buffer = buf;
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info.length = sizeof(buf);
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info.offset = 0;
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info.pos = 0;
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tinfo = ahc_fetch_transinfo(ahc, channel,
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channel == 'A' ? ahc->our_id
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: ahc->our_id_b,
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@ -383,14 +383,6 @@ void ahc_insb(struct ahc_softc * ahc, long port,
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int ahc_linux_register_host(struct ahc_softc *,
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struct scsi_host_template *);
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/*************************** Pretty Printing **********************************/
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struct info_str {
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char *buffer;
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int length;
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off_t offset;
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int pos;
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};
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/******************************** Locking *************************************/
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/* Lock protecting internal data structures */
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@ -523,8 +515,8 @@ ahc_flush_device_writes(struct ahc_softc *ahc)
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}
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/**************************** Proc FS Support *********************************/
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int ahc_linux_proc_info(struct Scsi_Host *, char *, char **,
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off_t, int, int);
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int ahc_proc_write_seeprom(struct Scsi_Host *, char *, int);
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int ahc_linux_show_info(struct seq_file *, struct Scsi_Host *);
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/*************************** Domain Validation ********************************/
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/*********************** Transaction Access Wrappers *************************/
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@ -43,16 +43,12 @@
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#include "aic7xxx_inline.h"
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#include "aic7xxx_93cx6.h"
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static void copy_mem_info(struct info_str *info, char *data, int len);
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static int copy_info(struct info_str *info, char *fmt, ...);
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static void ahc_dump_target_state(struct ahc_softc *ahc,
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struct info_str *info,
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struct seq_file *m,
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u_int our_id, char channel,
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u_int target_id, u_int target_offset);
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static void ahc_dump_device_state(struct info_str *info,
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static void ahc_dump_device_state(struct seq_file *m,
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struct scsi_device *dev);
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static int ahc_proc_write_seeprom(struct ahc_softc *ahc,
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char *buffer, int length);
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/*
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* Table of syncrates that don't follow the "divisible by 4"
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@ -94,51 +90,8 @@ ahc_calc_syncsrate(u_int period_factor)
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return (10000000 / (period_factor * 4 * 10));
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}
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static void
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copy_mem_info(struct info_str *info, char *data, int len)
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{
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if (info->pos + len > info->offset + info->length)
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len = info->offset + info->length - info->pos;
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if (info->pos + len < info->offset) {
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info->pos += len;
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return;
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}
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if (info->pos < info->offset) {
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off_t partial;
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partial = info->offset - info->pos;
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data += partial;
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info->pos += partial;
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len -= partial;
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}
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if (len > 0) {
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memcpy(info->buffer, data, len);
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info->pos += len;
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info->buffer += len;
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}
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}
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static int
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copy_info(struct info_str *info, char *fmt, ...)
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{
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va_list args;
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char buf[256];
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int len;
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va_start(args, fmt);
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len = vsprintf(buf, fmt, args);
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va_end(args);
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copy_mem_info(info, buf, len);
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return (len);
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}
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static void
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ahc_format_transinfo(struct info_str *info, struct ahc_transinfo *tinfo)
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ahc_format_transinfo(struct seq_file *m, struct ahc_transinfo *tinfo)
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{
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u_int speed;
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u_int freq;
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@ -153,12 +106,12 @@ ahc_format_transinfo(struct info_str *info, struct ahc_transinfo *tinfo)
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speed *= (0x01 << tinfo->width);
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mb = speed / 1000;
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if (mb > 0)
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copy_info(info, "%d.%03dMB/s transfers", mb, speed % 1000);
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seq_printf(m, "%d.%03dMB/s transfers", mb, speed % 1000);
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else
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copy_info(info, "%dKB/s transfers", speed);
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seq_printf(m, "%dKB/s transfers", speed);
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if (freq != 0) {
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copy_info(info, " (%d.%03dMHz%s, offset %d",
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seq_printf(m, " (%d.%03dMHz%s, offset %d",
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freq / 1000, freq % 1000,
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(tinfo->ppr_options & MSG_EXT_PPR_DT_REQ) != 0
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? " DT" : "", tinfo->offset);
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@ -166,19 +119,19 @@ ahc_format_transinfo(struct info_str *info, struct ahc_transinfo *tinfo)
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if (tinfo->width > 0) {
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if (freq != 0) {
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copy_info(info, ", ");
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seq_printf(m, ", ");
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} else {
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copy_info(info, " (");
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seq_printf(m, " (");
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}
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copy_info(info, "%dbit)", 8 * (0x01 << tinfo->width));
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seq_printf(m, "%dbit)", 8 * (0x01 << tinfo->width));
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} else if (freq != 0) {
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copy_info(info, ")");
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seq_printf(m, ")");
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}
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copy_info(info, "\n");
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seq_printf(m, "\n");
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}
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static void
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ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info,
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ahc_dump_target_state(struct ahc_softc *ahc, struct seq_file *m,
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u_int our_id, char channel, u_int target_id,
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u_int target_offset)
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{
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@ -190,18 +143,18 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info,
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tinfo = ahc_fetch_transinfo(ahc, channel, our_id,
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target_id, &tstate);
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if ((ahc->features & AHC_TWIN) != 0)
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copy_info(info, "Channel %c ", channel);
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copy_info(info, "Target %d Negotiation Settings\n", target_id);
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copy_info(info, "\tUser: ");
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ahc_format_transinfo(info, &tinfo->user);
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seq_printf(m, "Channel %c ", channel);
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seq_printf(m, "Target %d Negotiation Settings\n", target_id);
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seq_printf(m, "\tUser: ");
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ahc_format_transinfo(m, &tinfo->user);
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starget = ahc->platform_data->starget[target_offset];
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if (!starget)
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return;
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copy_info(info, "\tGoal: ");
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ahc_format_transinfo(info, &tinfo->goal);
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copy_info(info, "\tCurr: ");
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ahc_format_transinfo(info, &tinfo->curr);
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seq_printf(m, "\tGoal: ");
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ahc_format_transinfo(m, &tinfo->goal);
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seq_printf(m, "\tCurr: ");
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ahc_format_transinfo(m, &tinfo->curr);
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for (lun = 0; lun < AHC_NUM_LUNS; lun++) {
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struct scsi_device *sdev;
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@ -211,29 +164,30 @@ ahc_dump_target_state(struct ahc_softc *ahc, struct info_str *info,
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if (sdev == NULL)
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continue;
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ahc_dump_device_state(info, sdev);
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ahc_dump_device_state(m, sdev);
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}
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}
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static void
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ahc_dump_device_state(struct info_str *info, struct scsi_device *sdev)
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ahc_dump_device_state(struct seq_file *m, struct scsi_device *sdev)
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{
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struct ahc_linux_device *dev = scsi_transport_device_data(sdev);
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copy_info(info, "\tChannel %c Target %d Lun %d Settings\n",
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seq_printf(m, "\tChannel %c Target %d Lun %d Settings\n",
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sdev->sdev_target->channel + 'A',
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sdev->sdev_target->id, sdev->lun);
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copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued);
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copy_info(info, "\t\tCommands Active %d\n", dev->active);
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copy_info(info, "\t\tCommand Openings %d\n", dev->openings);
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copy_info(info, "\t\tMax Tagged Openings %d\n", dev->maxtags);
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copy_info(info, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
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seq_printf(m, "\t\tCommands Queued %ld\n", dev->commands_issued);
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seq_printf(m, "\t\tCommands Active %d\n", dev->active);
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seq_printf(m, "\t\tCommand Openings %d\n", dev->openings);
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seq_printf(m, "\t\tMax Tagged Openings %d\n", dev->maxtags);
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seq_printf(m, "\t\tDevice Queue Frozen Count %d\n", dev->qfrozen);
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}
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static int
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ahc_proc_write_seeprom(struct ahc_softc *ahc, char *buffer, int length)
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int
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ahc_proc_write_seeprom(struct Scsi_Host *shost, char *buffer, int length)
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{
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struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
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struct seeprom_descriptor sd;
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int have_seeprom;
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u_long s;
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@ -332,53 +286,36 @@ done:
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* Return information to handle /proc support for the driver.
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*/
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int
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ahc_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
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off_t offset, int length, int inout)
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ahc_linux_show_info(struct seq_file *m, struct Scsi_Host *shost)
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{
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struct ahc_softc *ahc = *(struct ahc_softc **)shost->hostdata;
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struct info_str info;
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char ahc_info[256];
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u_int max_targ;
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u_int i;
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int retval;
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/* Has data been written to the file? */
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if (inout == TRUE) {
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retval = ahc_proc_write_seeprom(ahc, buffer, length);
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goto done;
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}
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if (start)
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*start = buffer;
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info.buffer = buffer;
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info.length = length;
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info.offset = offset;
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info.pos = 0;
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copy_info(&info, "Adaptec AIC7xxx driver version: %s\n",
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seq_printf(m, "Adaptec AIC7xxx driver version: %s\n",
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AIC7XXX_DRIVER_VERSION);
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copy_info(&info, "%s\n", ahc->description);
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seq_printf(m, "%s\n", ahc->description);
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ahc_controller_info(ahc, ahc_info);
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copy_info(&info, "%s\n", ahc_info);
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copy_info(&info, "Allocated SCBs: %d, SG List Length: %d\n\n",
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seq_printf(m, "%s\n", ahc_info);
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seq_printf(m, "Allocated SCBs: %d, SG List Length: %d\n\n",
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ahc->scb_data->numscbs, AHC_NSEG);
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if (ahc->seep_config == NULL)
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copy_info(&info, "No Serial EEPROM\n");
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seq_printf(m, "No Serial EEPROM\n");
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else {
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copy_info(&info, "Serial EEPROM:\n");
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seq_printf(m, "Serial EEPROM:\n");
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for (i = 0; i < sizeof(*ahc->seep_config)/2; i++) {
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if (((i % 8) == 0) && (i != 0)) {
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copy_info(&info, "\n");
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seq_printf(m, "\n");
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}
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copy_info(&info, "0x%.4x ",
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seq_printf(m, "0x%.4x ",
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((uint16_t*)ahc->seep_config)[i]);
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}
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copy_info(&info, "\n");
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seq_printf(m, "\n");
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}
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copy_info(&info, "\n");
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seq_printf(m, "\n");
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max_targ = 16;
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if ((ahc->features & (AHC_WIDE|AHC_TWIN)) == 0)
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@ -398,10 +335,8 @@ ahc_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
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target_id = i % 8;
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}
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ahc_dump_target_state(ahc, &info, our_id,
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ahc_dump_target_state(ahc, m, our_id,
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channel, target_id, i);
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}
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retval = info.pos > info.offset ? info.pos - info.offset : 0;
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done:
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return (retval);
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return 0;
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}
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