sun3_scsi: add ->show_info()
Based on Al's changes to atari_scsi. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Geert Uytterhoeven
Al Viro
Родитель
e765acb467
Коммит
9dcc26cf67
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@ -661,122 +661,95 @@ static void __init NCR5380_print_options (struct Scsi_Host *instance)
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* Inputs : instance, pointer to this instance.
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*/
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static void NCR5380_print_status (struct Scsi_Host *instance)
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static void lprint_Scsi_Cmnd(Scsi_Cmnd *cmd)
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{
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char *pr_bfr;
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char *start;
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int len;
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NCR_PRINT(NDEBUG_ANY);
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NCR_PRINT_PHASE(NDEBUG_ANY);
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pr_bfr = (char *) __get_free_page(GFP_ATOMIC);
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if (!pr_bfr) {
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printk("NCR5380_print_status: no memory for print buffer\n");
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return;
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}
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len = NCR5380_proc_info(instance, pr_bfr, &start, 0, PAGE_SIZE, 0);
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pr_bfr[len] = 0;
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printk("\n%s\n", pr_bfr);
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free_page((unsigned long) pr_bfr);
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int i, s;
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unsigned char *command;
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printk("scsi%d: destination target %d, lun %d\n",
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H_NO(cmd), cmd->device->id, cmd->device->lun);
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printk(KERN_CONT " command = ");
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command = cmd->cmnd;
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printk(KERN_CONT "%2d (0x%02x)", command[0], command[0]);
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for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
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printk(KERN_CONT " %02x", command[i]);
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printk("\n");
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}
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/******************************************/
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/*
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* /proc/scsi/[dtc pas16 t128 generic]/[0-ASC_NUM_BOARD_SUPPORTED]
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*
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* *buffer: I/O buffer
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* **start: if inout == FALSE pointer into buffer where user read should start
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* offset: current offset
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* length: length of buffer
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* hostno: Scsi_Host host_no
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* inout: TRUE - user is writing; FALSE - user is reading
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*
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* Return the number of bytes read from or written
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*/
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#undef SPRINTF
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#define SPRINTF(fmt,args...) \
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do { if (pos + strlen(fmt) + 20 /* slop */ < buffer + length) \
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pos += sprintf(pos, fmt , ## args); } while(0)
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static
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char *lprint_Scsi_Cmnd(struct scsi_cmnd *cmd, char *pos, char *buffer,
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int length);
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static int NCR5380_proc_info(struct Scsi_Host *instance, char *buffer,
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char **start, off_t offset, int length, int inout)
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static void NCR5380_print_status(struct Scsi_Host *instance)
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{
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char *pos = buffer;
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struct NCR5380_hostdata *hostdata;
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struct scsi_cmnd *ptr;
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unsigned long flags;
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off_t begin = 0;
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#define check_offset() \
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do { \
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if (pos - buffer < offset - begin) { \
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begin += pos - buffer; \
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pos = buffer; \
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} \
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} while (0)
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struct NCR5380_hostdata *hostdata;
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Scsi_Cmnd *ptr;
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unsigned long flags;
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hostdata = (struct NCR5380_hostdata *)instance->hostdata;
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NCR_PRINT(NDEBUG_ANY);
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NCR_PRINT_PHASE(NDEBUG_ANY);
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if (inout) { /* Has data been written to the file ? */
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return(-ENOSYS); /* Currently this is a no-op */
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}
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SPRINTF("NCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
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check_offset();
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local_irq_save(flags);
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SPRINTF("NCR5380: coroutine is%s running.\n", main_running ? "" : "n't");
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check_offset();
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if (!hostdata->connected)
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SPRINTF("scsi%d: no currently connected command\n", HOSTNO);
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else
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pos = lprint_Scsi_Cmnd ((struct scsi_cmnd *) hostdata->connected,
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pos, buffer, length);
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SPRINTF("scsi%d: issue_queue\n", HOSTNO);
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check_offset();
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for (ptr = (struct scsi_cmnd *) hostdata->issue_queue; ptr; ptr = NEXT(ptr))
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{
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pos = lprint_Scsi_Cmnd (ptr, pos, buffer, length);
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check_offset();
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}
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hostdata = (struct NCR5380_hostdata *)instance->hostdata;
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SPRINTF("scsi%d: disconnected_queue\n", HOSTNO);
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check_offset();
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for (ptr = (struct scsi_cmnd *) hostdata->disconnected_queue; ptr;
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ptr = NEXT(ptr)) {
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pos = lprint_Scsi_Cmnd (ptr, pos, buffer, length);
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check_offset();
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}
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printk("\nNCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
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local_irq_save(flags);
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printk("NCR5380: coroutine is%s running.\n",
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main_running ? "" : "n't");
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if (!hostdata->connected)
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printk("scsi%d: no currently connected command\n", HOSTNO);
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else
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lprint_Scsi_Cmnd((Scsi_Cmnd *) hostdata->connected);
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printk("scsi%d: issue_queue\n", HOSTNO);
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for (ptr = (Scsi_Cmnd *)hostdata->issue_queue; ptr; ptr = NEXT(ptr))
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lprint_Scsi_Cmnd(ptr);
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local_irq_restore(flags);
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*start = buffer + (offset - begin);
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if (pos - buffer < offset - begin)
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printk("scsi%d: disconnected_queue\n", HOSTNO);
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for (ptr = (Scsi_Cmnd *) hostdata->disconnected_queue; ptr;
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ptr = NEXT(ptr))
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lprint_Scsi_Cmnd(ptr);
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local_irq_restore(flags);
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printk("\n");
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}
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static void show_Scsi_Cmnd(Scsi_Cmnd *cmd, struct seq_file *m)
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{
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int i, s;
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unsigned char *command;
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seq_printf(m, "scsi%d: destination target %d, lun %d\n",
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H_NO(cmd), cmd->device->id, cmd->device->lun);
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seq_printf(m, " command = ");
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command = cmd->cmnd;
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seq_printf(m, "%2d (0x%02x)", command[0], command[0]);
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for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
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seq_printf(m, " %02x", command[i]);
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seq_printf(m, "\n");
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}
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static int NCR5380_show_info(struct seq_file *m, struct Scsi_Host *instance)
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{
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struct NCR5380_hostdata *hostdata;
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Scsi_Cmnd *ptr;
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unsigned long flags;
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hostdata = (struct NCR5380_hostdata *)instance->hostdata;
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seq_printf(m, "NCR5380 core release=%d.\n", NCR5380_PUBLIC_RELEASE);
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local_irq_save(flags);
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seq_printf(m, "NCR5380: coroutine is%s running.\n",
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main_running ? "" : "n't");
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if (!hostdata->connected)
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seq_printf(m, "scsi%d: no currently connected command\n", HOSTNO);
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else
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show_Scsi_Cmnd((Scsi_Cmnd *) hostdata->connected, m);
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seq_printf(m, "scsi%d: issue_queue\n", HOSTNO);
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for (ptr = (Scsi_Cmnd *)hostdata->issue_queue; ptr; ptr = NEXT(ptr))
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show_Scsi_Cmnd(ptr, m);
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seq_printf(m, "scsi%d: disconnected_queue\n", HOSTNO);
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for (ptr = (Scsi_Cmnd *) hostdata->disconnected_queue; ptr;
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ptr = NEXT(ptr))
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show_Scsi_Cmnd(ptr, m);
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local_irq_restore(flags);
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return 0;
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else if (pos - buffer - (offset - begin) < length)
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return pos - buffer - (offset - begin);
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return length;
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}
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static char *lprint_Scsi_Cmnd(struct scsi_cmnd *cmd, char *pos, char *buffer,
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int length)
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{
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int i, s;
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unsigned char *command;
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SPRINTF("scsi%d: destination target %d, lun %d\n",
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H_NO(cmd), cmd->device->id, cmd->device->lun);
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SPRINTF(" command = ");
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command = cmd->cmnd;
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SPRINTF("%2d (0x%02x)", command[0], command[0]);
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for (i = 1, s = COMMAND_SIZE(command[0]); i < s; ++i)
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SPRINTF(" %02x", command[i]);
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SPRINTF("\n");
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return pos;
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}
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/*
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* Function : void NCR5380_init (struct Scsi_Host *instance)
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*
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@ -626,6 +626,7 @@ static int sun3scsi_dma_finish(int write_flag)
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#include "sun3_NCR5380.c"
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static struct scsi_host_template driver_template = {
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.show_info = sun3scsi_show_info,
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.name = SUN3_SCSI_NAME,
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.detect = sun3scsi_detect,
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.release = sun3scsi_release,
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@ -100,7 +100,7 @@ static int sun3scsi_release (struct Scsi_Host *);
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#define NCR5380_queue_command sun3scsi_queue_command
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#define NCR5380_bus_reset sun3scsi_bus_reset
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#define NCR5380_abort sun3scsi_abort
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#define NCR5380_proc_info sun3scsi_proc_info
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#define NCR5380_show_info sun3scsi_show_info
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#define NCR5380_dma_xfer_len(i, cmd, phase) \
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sun3scsi_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1)
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