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Commit 1af6f603 authored by Hannes Reinecke's avatar Hannes Reinecke Committed by Christoph Hellwig
Browse files

esp_scsi: debug event and command 



Add new debug definitions for event and command logging.

Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Acked-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarHannes Reinecke <hare@suse.de>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent a1a75b35

drivers/scsi/esp_scsi.c

+15 −0
Original line number Diff line number Diff line
@@ -49,6 +49,8 @@ static u32 esp_debug; 
#define ESP_DEBUG_DATADONE	0x00000100

#define ESP_DEBUG_RECONNECT	0x00000200

#define ESP_DEBUG_AUTOSENSE	0x00000400

#define ESP_DEBUG_EVENT		0x00000800

#define ESP_DEBUG_COMMAND	0x00001000



#define esp_log_intr(f, a...) \

do {	if (esp_debug & ESP_DEBUG_INTR) \
@@ -100,6 +102,16 @@ do { if (esp_debug & ESP_DEBUG_AUTOSENSE) \ 
		shost_printk(KERN_DEBUG, esp->host, f, ## a);	\

} while (0)



#define esp_log_event(f, a...) \

do {   if (esp_debug & ESP_DEBUG_EVENT)	\

		shost_printk(KERN_DEBUG, esp->host, f, ## a);	\

} while (0)



#define esp_log_command(f, a...) \

do {   if (esp_debug & ESP_DEBUG_COMMAND)	\

		shost_printk(KERN_DEBUG, esp->host, f, ## a);	\

} while (0)



#define esp_read8(REG)		esp->ops->esp_read8(esp, REG)

#define esp_write8(VAL,REG)	esp->ops->esp_write8(esp, VAL, REG)
@@ -126,6 +138,7 @@ void scsi_esp_cmd(struct esp *esp, u8 val) 


	esp->esp_event_cur = (idx + 1) & (ESP_EVENT_LOG_SZ - 1);



	esp_log_command("cmd[%02x]\n", val);

	esp_write8(val, ESP_CMD);

}

EXPORT_SYMBOL(scsi_esp_cmd);
@@ -1638,6 +1651,8 @@ static int esp_process_event(struct esp *esp) 


again:

	write = 0;

	esp_log_event("process event %d phase %x\n",

		      esp->event, esp->sreg & ESP_STAT_PMASK);

	switch (esp->event) {

	case ESP_EVENT_CHECK_PHASE:

		switch (esp->sreg & ESP_STAT_PMASK) {