*
* Linux MegaRAID driver for SAS based RAID controllers
*
- * Copyright (c) 2003-2005 LSI Logic Corporation.
+ * Copyright (c) 2003-2005 LSI Corporation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
#ifndef LSI_MEGARAID_SAS_H
#define LSI_MEGARAID_SAS_H
-/**
+/*
* MegaRAID SAS Driver meta data
*/
-#define MEGASAS_VERSION "00.00.03.05"
-#define MEGASAS_RELDATE "Oct 02, 2006"
-#define MEGASAS_EXT_VERSION "Mon Oct 02 11:21:32 PDT 2006"
+#define MEGASAS_VERSION "00.00.03.16-rc1"
+#define MEGASAS_RELDATE "Nov. 07, 2007"
+#define MEGASAS_EXT_VERSION "Thu. Nov. 07 10:09:32 PDT 2007"
/*
* Device IDs
* "message frames"
*/
-/**
+/*
* FW posts its state in upper 4 bits of outbound_msg_0 register
*/
#define MFI_STATE_MASK 0xF0000000
#define MEGAMFI_FRAME_SIZE 64
-/**
+/*
* During FW init, clear pending cmds & reset state using inbound_msg_0
*
* ABORT : Abort all pending cmds
MFI_INIT_MFIMODE| \
MFI_INIT_ABORT
-/**
+/*
* MFI frame flags
*/
#define MFI_FRAME_POST_IN_REPLY_QUEUE 0x0000
#define MFI_FRAME_DIR_READ 0x0010
#define MFI_FRAME_DIR_BOTH 0x0018
-/**
+/*
* Definition for cmd_status
*/
#define MFI_CMD_STATUS_POLL_MODE 0xFF
-/**
+/*
* MFI command opcodes
*/
#define MFI_CMD_INIT 0x00
#define MR_FLUSH_DISK_CACHE 0x02
#define MR_DCMD_CTRL_SHUTDOWN 0x01050000
+#define MR_DCMD_HIBERNATE_SHUTDOWN 0x01060000
#define MR_ENABLE_DRIVE_SPINDOWN 0x01
#define MR_DCMD_CTRL_EVENT_GET_INFO 0x01040100
#define MR_DCMD_CLUSTER_RESET_ALL 0x08010100
#define MR_DCMD_CLUSTER_RESET_LD 0x08010200
-/**
+/*
* MFI command completion codes
*/
enum MFI_STAT {
#define MEGASAS_DBG_LVL 1
+#define MEGASAS_FW_BUSY 1
+
/*
* When SCSI mid-layer calls driver's reset routine, driver waits for
* MEGASAS_RESET_WAIT_TIME seconds for all outstanding IO to complete. Note
#define MEGASAS_RESET_WAIT_TIME 180
#define MEGASAS_INTERNAL_CMD_WAIT_TIME 180
#define MEGASAS_RESET_NOTICE_INTERVAL 5
-
#define MEGASAS_IOCTL_CMD 0
+#define MEGASAS_DEFAULT_CMD_TIMEOUT 90
/*
* FW reports the maximum of number of commands that it can accept (maximum
#define IS_DMA64 (sizeof(dma_addr_t) == 8)
#define MFI_OB_INTR_STATUS_MASK 0x00000002
-#define MFI_POLL_TIMEOUT_SECS 10
+#define MFI_POLL_TIMEOUT_SECS 60
+#define MEGASAS_COMPLETION_TIMER_INTERVAL (HZ/10)
#define MFI_REPLY_1078_MESSAGE_INTERRUPT 0x80000000
struct megasas_register_set __iomem *reg_set;
s8 init_id;
- u8 reserved[3];
u16 max_num_sge;
u16 max_fw_cmds;
struct megasas_cmd **cmd_list;
struct list_head cmd_pool;
spinlock_t cmd_pool_lock;
+ /* used to synch producer, consumer ptrs in dpc */
+ spinlock_t completion_lock;
struct dma_pool *frame_dma_pool;
struct dma_pool *sense_dma_pool;
struct megasas_evt_detail *evt_detail;
dma_addr_t evt_detail_h;
struct megasas_cmd *aen_cmd;
- struct semaphore aen_mutex;
+ struct mutex aen_mutex;
struct semaphore ioctl_sem;
struct Scsi_Host *host;
struct megasas_instance_template *instancet;
struct tasklet_struct isr_tasklet;
+
+ u8 flag;
+ unsigned long last_time;
+
+ struct timer_list io_completion_timer;
};
#define MEGASAS_IS_LOGICAL(scp) \