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authorMike Hernandez <michael.hernandez@qlogic.com>2012-01-11 14:44:15 +0400
committerJames Bottomley <JBottomley@Parallels.com>2012-01-16 12:30:59 +0400
commit4f77083ed0325ceb9cd5701c0f335583df3dded2 (patch)
tree1ee36bd0de99439d0337d48f37a618296de4256e /drivers/scsi/qla4xxx/ql4_nx.h
parent124dd90f6525ee785b47b59aebadd4a35f797dc1 (diff)
downloadlinux-4f77083ed0325ceb9cd5701c0f335583df3dded2.tar.xz
[SCSI] qla4xxx: Temperature monitoring for ISP82XX core.
During watchdog, need to monitor temperature of ISP82XX core and set device state to FAILED when temperature reaches "Panic" level. Signed-off-by: Mike Hernandez <michael.hernandez@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_nx.h')
-rw-r--r--drivers/scsi/qla4xxx/ql4_nx.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_nx.h b/drivers/scsi/qla4xxx/ql4_nx.h
index 35376a1c3f1b..cfb2f2edac3a 100644
--- a/drivers/scsi/qla4xxx/ql4_nx.h
+++ b/drivers/scsi/qla4xxx/ql4_nx.h
@@ -19,12 +19,25 @@
#define PHAN_PEG_RCV_INITIALIZED 0xff01
/*CRB_RELATED*/
-#define QLA82XX_CRB_BASE QLA82XX_CAM_RAM(0x200)
-#define QLA82XX_REG(X) (QLA82XX_CRB_BASE+(X))
-
+#define QLA82XX_CRB_BASE (QLA82XX_CAM_RAM(0x200))
+#define QLA82XX_REG(X) (QLA82XX_CRB_BASE+(X))
#define CRB_CMDPEG_STATE QLA82XX_REG(0x50)
#define CRB_RCVPEG_STATE QLA82XX_REG(0x13c)
#define CRB_DMA_SHIFT QLA82XX_REG(0xcc)
+#define CRB_TEMP_STATE QLA82XX_REG(0x1b4)
+
+#define qla82xx_get_temp_val(x) ((x) >> 16)
+#define qla82xx_get_temp_state(x) ((x) & 0xffff)
+#define qla82xx_encode_temp(val, state) (((val) << 16) | (state))
+
+/*
+ * Temperature control.
+ */
+enum {
+ QLA82XX_TEMP_NORMAL = 0x1, /* Normal operating range */
+ QLA82XX_TEMP_WARN, /* Sound alert, temperature getting high */
+ QLA82XX_TEMP_PANIC /* Fatal error, hardware has shut down. */
+};
#define QLA82XX_HW_H0_CH_HUB_ADR 0x05
#define QLA82XX_HW_H1_CH_HUB_ADR 0x0E