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Date: Wed, 10 Apr 2013 13:52:09 +0200
From: Geert Uytterhoeven <geert@...ux-m68k.org>
To: Al Viro <viro@...iv.linux.org.uk>
Cc: Sam Creasey <sammy@...my.net>, linux-scsi@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH -next 2/2] sun3_scsi: switch to ->show_info()
Based on Al's changes to atari_scsi.
Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
http://kisskb.ellerman.id.au/kisskb/buildresult/8543326/
drivers/scsi/sun3_NCR5380.c | 185 ++++++++++++++++++------------------------
drivers/scsi/sun3_scsi.c | 2 +-
drivers/scsi/sun3_scsi.h | 2 +-
3 files changed, 81 insertions(+), 108 deletions(-)
diff --git a/drivers/scsi/sun3_NCR5380.c b/drivers/scsi/sun3_NCR5380.c
index 7e12a2e..636bbe0 100644
--- a/drivers/scsi/sun3_NCR5380.c
+++ b/drivers/scsi/sun3_NCR5380.c
@@ -661,121 +661,94 @@ static void __init NCR5380_print_options (struct Scsi_Host *instance)
* Inputs : instance, pointer to this instance.
*/
-static void NCR5380_print_status (struct Scsi_Host *instance)
+static void lprint_Scsi_Cmnd(Scsi_Cmnd *cmd)
{
- char *pr_bfr;
- char *start;
- int len;
-
- NCR_PRINT(NDEBUG_ANY);
- NCR_PRINT_PHASE(NDEBUG_ANY);
-
- pr_bfr = (char *) __get_free_page(GFP_ATOMIC);
- if (!pr_bfr) {
- printk("NCR5380_print_status: no memory for print buffer\n");
- return;
- }
- len = NCR5380_proc_info(instance, pr_bfr, &start, 0, PAGE_SIZE, 0);
- pr_bfr[len] = 0;
- printk("\n%s\n", pr_bfr);
- free_page((unsigned long) pr_bfr);
+ int i, s;
+ unsigned char *command;
+ printk("scsi%d: destination target %d, lun %d\n",
+ H_NO(cmd), cmd->device->id, cmd->device->lun);
+ printk(KERN_CONT " command = ");
+ command = cmd->cmnd;
+ printk(KERN_CONT "%2d (0x%02x)", command[0], command[0]);
+ for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
+ printk(KERN_CONT " %02x", command[i]);
+ printk("\n");
}
-
-/******************************************/
-/*
- * /proc/scsi/[dtc pas16 t128 generic]/[0-ASC_NUM_BOARD_SUPPORTED]
- *
- * *buffer: I/O buffer
- * **start: if inout == FALSE pointer into buffer where user read should start
- * offset: current offset
- * length: length of buffer
- * hostno: Scsi_Host host_no
- * inout: TRUE - user is writing; FALSE - user is reading
- *
- * Return the number of bytes read from or written
-*/
-
-#undef SPRINTF
-#define SPRINTF(fmt,args...) \
- do { if (pos + strlen(fmt) + 20 /* slop */ < buffer + length) \
- pos += sprintf(pos, fmt , ## args); } while(0)
-static
-char *lprint_Scsi_Cmnd(struct scsi_cmnd *cmd, char *pos, char *buffer,
- int length);
-
-static int NCR5380_proc_info(struct Scsi_Host *instance, char *buffer,
- char **start, off_t offset, int length, int inout)
+static void NCR5380_print_status(struct Scsi_Host *instance)
{
- char *pos = buffer;
- struct NCR5380_hostdata *hostdata;
- struct scsi_cmnd *ptr;
- unsigned long flags;
- off_t begin = 0;
-#define check_offset() \
- do { \
- if (pos - buffer < offset - begin) { \
- begin += pos - buffer; \
- pos = buffer; \
- } \
- } while (0)
-
- hostdata = (struct NCR5380_hostdata *)instance->hostdata;
-
- if (inout) { /* Has data been written to the file ? */
- return(-ENOSYS); /* Currently this is a no-op */
- }
- SPRINTF("NCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
- check_offset();
- local_irq_save(flags);
- SPRINTF("NCR5380: coroutine is%s running.\n", main_running ? "" : "n't");
- check_offset();
- if (!hostdata->connected)
- SPRINTF("scsi%d: no currently connected command\n", HOSTNO);
- else
- pos = lprint_Scsi_Cmnd ((struct scsi_cmnd *) hostdata->connected,
- pos, buffer, length);
- SPRINTF("scsi%d: issue_queue\n", HOSTNO);
- check_offset();
- for (ptr = (struct scsi_cmnd *) hostdata->issue_queue; ptr; ptr = NEXT(ptr))
- {
- pos = lprint_Scsi_Cmnd (ptr, pos, buffer, length);
- check_offset();
- }
-
- SPRINTF("scsi%d: disconnected_queue\n", HOSTNO);
- check_offset();
- for (ptr = (struct scsi_cmnd *) hostdata->disconnected_queue; ptr;
- ptr = NEXT(ptr)) {
- pos = lprint_Scsi_Cmnd (ptr, pos, buffer, length);
- check_offset();
- }
+ struct NCR5380_hostdata *hostdata;
+ Scsi_Cmnd *ptr;
+ unsigned long flags;
+
+ NCR_PRINT(NDEBUG_ANY);
+ NCR_PRINT_PHASE(NDEBUG_ANY);
+
+ hostdata = (struct NCR5380_hostdata *)instance->hostdata;
+
+ printk("\nNCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
+ local_irq_save(flags);
+ printk("NCR5380: coroutine is%s running.\n",
+ main_running ? "" : "n't");
+ if (!hostdata->connected)
+ printk("scsi%d: no currently connected command\n", HOSTNO);
+ else
+ lprint_Scsi_Cmnd((Scsi_Cmnd *) hostdata->connected);
+ printk("scsi%d: issue_queue\n", HOSTNO);
+ for (ptr = (Scsi_Cmnd *)hostdata->issue_queue; ptr; ptr = NEXT(ptr))
+ lprint_Scsi_Cmnd(ptr);
+
+ printk("scsi%d: disconnected_queue\n", HOSTNO);
+ for (ptr = (Scsi_Cmnd *) hostdata->disconnected_queue; ptr;
+ ptr = NEXT(ptr))
+ lprint_Scsi_Cmnd(ptr);
- local_irq_restore(flags);
- *start = buffer + (offset - begin);
- if (pos - buffer < offset - begin)
- return 0;
- else if (pos - buffer - (offset - begin) < length)
- return pos - buffer - (offset - begin);
- return length;
+ local_irq_restore(flags);
+ printk("\n");
}
-static char *lprint_Scsi_Cmnd(struct scsi_cmnd *cmd, char *pos, char *buffer,
- int length)
+static void show_Scsi_Cmnd(Scsi_Cmnd *cmd, struct seq_file *m)
{
- int i, s;
- unsigned char *command;
- SPRINTF("scsi%d: destination target %d, lun %d\n",
- H_NO(cmd), cmd->device->id, cmd->device->lun);
- SPRINTF(" command = ");
- command = cmd->cmnd;
- SPRINTF("%2d (0x%02x)", command[0], command[0]);
- for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
- SPRINTF(" %02x", command[i]);
- SPRINTF("\n");
- return pos;
+ int i, s;
+ unsigned char *command;
+ seq_printf(m, "scsi%d: destination target %d, lun %d\n",
+ H_NO(cmd), cmd->device->id, cmd->device->lun);
+ seq_printf(m, " command = ");
+ command = cmd->cmnd;
+ seq_printf(m, "%2d (0x%02x)", command[0], command[0]);
+ for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
+ seq_printf(m, " %02x", command[i]);
+ seq_printf(m, "\n");
}
+static int NCR5380_show_info(struct seq_file *m, struct Scsi_Host *instance)
+{
+ struct NCR5380_hostdata *hostdata;
+ Scsi_Cmnd *ptr;
+ unsigned long flags;
+
+ hostdata = (struct NCR5380_hostdata *)instance->hostdata;
+
+ seq_printf(m, "NCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
+ local_irq_save(flags);
+ seq_printf(m, "NCR5380: coroutine is%s running.\n",
+ main_running ? "" : "n't");
+ if (!hostdata->connected)
+ seq_printf(m, "scsi%d: no currently connected command\n", HOSTNO);
+ else
+ show_Scsi_Cmnd((Scsi_Cmnd *) hostdata->connected, m);
+ seq_printf(m, "scsi%d: issue_queue\n", HOSTNO);
+ for (ptr = (Scsi_Cmnd *)hostdata->issue_queue; ptr; ptr = NEXT(ptr))
+ show_Scsi_Cmnd(ptr, m);
+
+ seq_printf(m, "scsi%d: disconnected_queue\n", HOSTNO);
+ for (ptr = (Scsi_Cmnd *) hostdata->disconnected_queue; ptr;
+ ptr = NEXT(ptr))
+ show_Scsi_Cmnd(ptr, m);
+
+ local_irq_restore(flags);
+ return 0;
+}
/*
* Function : void NCR5380_init (struct Scsi_Host *instance)
diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c
index b0dc034..e2c009b 100644
--- a/drivers/scsi/sun3_scsi.c
+++ b/drivers/scsi/sun3_scsi.c
@@ -626,7 +626,7 @@ static int sun3scsi_dma_finish(int write_flag)
#include "sun3_NCR5380.c"
static struct scsi_host_template driver_template = {
- .proc_info = sun3scsi_proc_info,
+ .show_info = sun3scsi_show_info,
.name = SUN3_SCSI_NAME,
.detect = sun3scsi_detect,
.release = sun3scsi_release,
diff --git a/drivers/scsi/sun3_scsi.h b/drivers/scsi/sun3_scsi.h
index bcefd84..a8da9c7 100644
--- a/drivers/scsi/sun3_scsi.h
+++ b/drivers/scsi/sun3_scsi.h
@@ -100,7 +100,7 @@ static int sun3scsi_release (struct Scsi_Host *);
#define NCR5380_queue_command sun3scsi_queue_command
#define NCR5380_bus_reset sun3scsi_bus_reset
#define NCR5380_abort sun3scsi_abort
-#define NCR5380_proc_info sun3scsi_proc_info
+#define NCR5380_show_info sun3scsi_show_info
#define NCR5380_dma_xfer_len(i, cmd, phase) \
sun3scsi_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1)
--
1.7.0.4
--
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