sym53c8xx_2: switch to ->show_info()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index 5995682..bac55f7 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -1171,112 +1171,36 @@
#endif /* SYM_LINUX_USER_COMMAND_SUPPORT */
-#ifdef SYM_LINUX_USER_INFO_SUPPORT
-/*
- * Informations through the proc file system.
- */
-struct info_str {
- char *buffer;
- int length;
- int offset;
- int pos;
-};
-
-static void copy_mem_info(struct info_str *info, char *data, int len)
-{
- if (info->pos + len > info->length)
- len = info->length - info->pos;
-
- if (info->pos + len < info->offset) {
- info->pos += len;
- return;
- }
- if (info->pos < info->offset) {
- data += (info->offset - info->pos);
- len -= (info->offset - info->pos);
- }
-
- if (len > 0) {
- memcpy(info->buffer + info->pos, data, len);
- info->pos += len;
- }
-}
-
-static int copy_info(struct info_str *info, char *fmt, ...)
-{
- va_list args;
- char buf[81];
- int len;
-
- va_start(args, fmt);
- len = vsprintf(buf, fmt, args);
- va_end(args);
-
- copy_mem_info(info, buf, len);
- return len;
-}
-
/*
* Copy formatted information into the input buffer.
*/
-static int sym_host_info(struct Scsi_Host *shost, char *ptr, off_t offset, int len)
+static int sym_show_info(struct seq_file *m, struct Scsi_Host *shost)
{
+#ifdef SYM_LINUX_USER_INFO_SUPPORT
struct sym_data *sym_data = shost_priv(shost);
struct pci_dev *pdev = sym_data->pdev;
struct sym_hcb *np = sym_data->ncb;
- struct info_str info;
- info.buffer = ptr;
- info.length = len;
- info.offset = offset;
- info.pos = 0;
-
- copy_info(&info, "Chip " NAME53C "%s, device id 0x%x, "
- "revision id 0x%x\n", np->s.chip_name,
- pdev->device, pdev->revision);
- copy_info(&info, "At PCI address %s, IRQ %u\n",
+ seq_printf(m, "Chip " NAME53C "%s, device id 0x%x, "
+ "revision id 0x%x\n", np->s.chip_name,
+ pdev->device, pdev->revision);
+ seq_printf(m, "At PCI address %s, IRQ %u\n",
pci_name(pdev), pdev->irq);
- copy_info(&info, "Min. period factor %d, %s SCSI BUS%s\n",
- (int) (np->minsync_dt ? np->minsync_dt : np->minsync),
- np->maxwide ? "Wide" : "Narrow",
- np->minsync_dt ? ", DT capable" : "");
+ seq_printf(m, "Min. period factor %d, %s SCSI BUS%s\n",
+ (int) (np->minsync_dt ? np->minsync_dt : np->minsync),
+ np->maxwide ? "Wide" : "Narrow",
+ np->minsync_dt ? ", DT capable" : "");
- copy_info(&info, "Max. started commands %d, "
- "max. commands per LUN %d\n",
- SYM_CONF_MAX_START, SYM_CONF_MAX_TAG);
+ seq_printf(m, "Max. started commands %d, "
+ "max. commands per LUN %d\n",
+ SYM_CONF_MAX_START, SYM_CONF_MAX_TAG);
- return info.pos > info.offset? info.pos - info.offset : 0;
-}
+ return 0;
+#else
+ return -EINVAL;
#endif /* SYM_LINUX_USER_INFO_SUPPORT */
-
-/*
- * Entry point of the scsi proc fs of the driver.
- * - func = 0 means read (returns adapter infos)
- * - func = 1 means write (not yet merget from sym53c8xx)
- */
-static int sym53c8xx_proc_info(struct Scsi_Host *shost, char *buffer,
- char **start, off_t offset, int length, int func)
-{
- int retv;
-
- if (func) {
-#ifdef SYM_LINUX_USER_COMMAND_SUPPORT
- retv = sym_user_command(shost, buffer, length);
-#else
- retv = -EINVAL;
-#endif
- } else {
- if (start)
- *start = buffer;
-#ifdef SYM_LINUX_USER_INFO_SUPPORT
- retv = sym_host_info(shost, buffer, offset, length);
-#else
- retv = -EINVAL;
-#endif
- }
-
- return retv;
}
+
#endif /* SYM_LINUX_PROC_INFO_SUPPORT */
/*
@@ -1742,7 +1666,10 @@
.use_clustering = ENABLE_CLUSTERING,
.max_sectors = 0xFFFF,
#ifdef SYM_LINUX_PROC_INFO_SUPPORT
- .proc_info = sym53c8xx_proc_info,
+ .show_info = sym_show_info,
+#ifdef SYM_LINUX_USER_COMMAND_SUPPORT
+ .write_info = sym_user_command,
+#endif
.proc_name = NAME53C8XX,
#endif
};