diff options
| author | Hannes Reinecke <hare@suse.de> | 2014-11-24 15:37:22 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2014-11-24 16:10:23 +0100 |
| commit | 1af6f60368b3f5be6a89350ccd23e218120fd3d1 (patch) | |
| tree | c4b834193158f3c8f7834265090d68e73774a247 /drivers/scsi/esp_scsi.c | |
| parent | a1a75b35fc47dede004fb579f86bf1ac12e2bff5 (diff) | |
| download | lwn-1af6f60368b3f5be6a89350ccd23e218120fd3d1.tar.gz lwn-1af6f60368b3f5be6a89350ccd23e218120fd3d1.zip | |
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>
Diffstat (limited to 'drivers/scsi/esp_scsi.c')
| -rw-r--r-- | drivers/scsi/esp_scsi.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/scsi/esp_scsi.c b/drivers/scsi/esp_scsi.c index d85f2392c6ae..800ff3ea501d 100644 --- a/drivers/scsi/esp_scsi.c +++ b/drivers/scsi/esp_scsi.c @@ -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) { |