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esp_scsi: debug event and command 

Add new debug definitions for event and command logging.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Hannes Reinecke 2014-11-24 15:37:22 +01:00 committed by Christoph Hellwig
parent a1a75b35fc
commit 1af6f60368
1 changed files with 15 additions and 0 deletions
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15
drivers/scsi/esp_scsi.c
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@ -49,6 +49,8 @@ static u32 esp_debug;
#define ESP_DEBUG_DATADONE 0x00000100 #define ESP_DEBUG_DATADONE 0x00000100
#define ESP_DEBUG_RECONNECT 0x00000200 #define ESP_DEBUG_RECONNECT 0x00000200
#define ESP_DEBUG_AUTOSENSE 0x00000400 #define ESP_DEBUG_AUTOSENSE 0x00000400
#define ESP_DEBUG_EVENT 0x00000800
#define ESP_DEBUG_COMMAND 0x00001000
#define esp_log_intr(f, a...) \ #define esp_log_intr(f, a...) \
do { if (esp_debug & ESP_DEBUG_INTR) \ 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); \ shost_printk(KERN_DEBUG, esp->host, f, ## a); \
} while (0) } 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_read8(REG) esp->ops->esp_read8(esp, REG)
#define esp_write8(VAL,REG) esp->ops->esp_write8(esp, VAL, 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->esp_event_cur = (idx + 1) & (ESP_EVENT_LOG_SZ - 1);
esp_log_command("cmd[%02x]\n", val);
esp_write8(val, ESP_CMD); esp_write8(val, ESP_CMD);
} }
EXPORT_SYMBOL(scsi_esp_cmd); EXPORT_SYMBOL(scsi_esp_cmd);
@ -1638,6 +1651,8 @@ static int esp_process_event(struct esp *esp)
again: again:
write = 0; write = 0;
esp_log_event("process event %d phase %x\n",
esp->event, esp->sreg & ESP_STAT_PMASK);
switch (esp->event) { switch (esp->event) {
case ESP_EVENT_CHECK_PHASE: case ESP_EVENT_CHECK_PHASE:
switch (esp->sreg & ESP_STAT_PMASK) { switch (esp->sreg & ESP_STAT_PMASK) {