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/*
*
* Linux MegaRAID device driver
*
* Copyright ( c ) 2003 - 2004 LSI Logic Corporation .
*
* This program is free software ; you can redistribute it and / or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation ; either version
* 2 of the License , or ( at your option ) any later version .
*
* FILE : megaraid_mbox . h
*/
# ifndef _MEGARAID_H_
# define _MEGARAID_H_
# include "mega_common.h"
# include "mbox_defs.h"
# include "megaraid_ioctl.h"
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# define MEGARAID_VERSION "2.20.5.1"
# define MEGARAID_EXT_VERSION "(Release Date: Thu Nov 16 15:32:35 EST 2006)"
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/*
* Define some PCI values here until they are put in the kernel
*/
# define PCI_DEVICE_ID_PERC4_DI_DISCOVERY 0x000E
# define PCI_SUBSYS_ID_PERC4_DI_DISCOVERY 0x0123
# define PCI_DEVICE_ID_PERC4_SC 0x1960
# define PCI_SUBSYS_ID_PERC4_SC 0x0520
# define PCI_DEVICE_ID_PERC4_DC 0x1960
# define PCI_SUBSYS_ID_PERC4_DC 0x0518
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# define PCI_DEVICE_ID_VERDE 0x0407
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# define PCI_DEVICE_ID_PERC4_DI_EVERGLADES 0x000F
# define PCI_SUBSYS_ID_PERC4_DI_EVERGLADES 0x014A
# define PCI_DEVICE_ID_PERC4E_SI_BIGBEND 0x0013
# define PCI_SUBSYS_ID_PERC4E_SI_BIGBEND 0x016c
# define PCI_DEVICE_ID_PERC4E_DI_KOBUK 0x0013
# define PCI_SUBSYS_ID_PERC4E_DI_KOBUK 0x016d
# define PCI_DEVICE_ID_PERC4E_DI_CORVETTE 0x0013
# define PCI_SUBSYS_ID_PERC4E_DI_CORVETTE 0x016e
# define PCI_DEVICE_ID_PERC4E_DI_EXPEDITION 0x0013
# define PCI_SUBSYS_ID_PERC4E_DI_EXPEDITION 0x016f
# define PCI_DEVICE_ID_PERC4E_DI_GUADALUPE 0x0013
# define PCI_SUBSYS_ID_PERC4E_DI_GUADALUPE 0x0170
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# define PCI_DEVICE_ID_DOBSON 0x0408
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# define PCI_DEVICE_ID_MEGARAID_SCSI_320_0 0x1960
# define PCI_SUBSYS_ID_MEGARAID_SCSI_320_0 0xA520
# define PCI_DEVICE_ID_MEGARAID_SCSI_320_1 0x1960
# define PCI_SUBSYS_ID_MEGARAID_SCSI_320_1 0x0520
# define PCI_DEVICE_ID_MEGARAID_SCSI_320_2 0x1960
# define PCI_SUBSYS_ID_MEGARAID_SCSI_320_2 0x0518
# define PCI_DEVICE_ID_MEGARAID_I4_133_RAID 0x1960
# define PCI_SUBSYS_ID_MEGARAID_I4_133_RAID 0x0522
# define PCI_DEVICE_ID_MEGARAID_SATA_150_4 0x1960
# define PCI_SUBSYS_ID_MEGARAID_SATA_150_4 0x4523
# define PCI_DEVICE_ID_MEGARAID_SATA_150_6 0x1960
# define PCI_SUBSYS_ID_MEGARAID_SATA_150_6 0x0523
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# define PCI_DEVICE_ID_LINDSAY 0x0409
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# define PCI_DEVICE_ID_INTEL_RAID_SRCS16 0x1960
# define PCI_SUBSYS_ID_INTEL_RAID_SRCS16 0x0523
# define PCI_DEVICE_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x1960
# define PCI_SUBSYS_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x0520
# define PCI_SUBSYS_ID_PERC3_QC 0x0471
# define PCI_SUBSYS_ID_PERC3_DC 0x0493
# define PCI_SUBSYS_ID_PERC3_SC 0x0475
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# define PCI_SUBSYS_ID_CERC_ATA100_4CH 0x0511
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# define MBOX_MAX_SCSI_CMDS 128 // number of cmds reserved for kernel
# define MBOX_MAX_USER_CMDS 32 // number of cmds for applications
# define MBOX_DEF_CMD_PER_LUN 64 // default commands per lun
# define MBOX_DEFAULT_SG_SIZE 26 // default sg size supported by all fw
# define MBOX_MAX_SG_SIZE 32 // maximum scatter-gather list size
# define MBOX_MAX_SECTORS 128 // maximum sectors per IO
# define MBOX_TIMEOUT 30 // timeout value for internal cmds
# define MBOX_BUSY_WAIT 10 // max usec to wait for busy mailbox
# define MBOX_RESET_WAIT 180 // wait these many seconds in reset
# define MBOX_RESET_EXT_WAIT 120 // extended wait reset
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# define MBOX_SYNC_WAIT_CNT 0xFFFF // wait loop index for synchronous mode
# define MBOX_SYNC_DELAY_200 200 // 200 micro-seconds
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/*
* maximum transfer that can happen through the firmware commands issued
* internnaly from the driver .
*/
# define MBOX_IBUF_SIZE 4096
/**
* mbox_ccb_t - command control block specific to mailbox based controllers
* @ raw_mbox : raw mailbox pointer
* @ mbox : mailbox
* @ mbox64 : extended mailbox
* @ mbox_dma_h : maibox dma address
* @ sgl64 : 64 - bit scatter - gather list
* @ sgl32 : 32 - bit scatter - gather list
* @ sgl_dma_h : dma handle for the scatter - gather list
* @ pthru : passthru structure
* @ pthru_dma_h : dma handle for the passthru structure
* @ epthru : extended passthru structure
* @ epthru_dma_h : dma handle for extended passthru structure
* @ buf_dma_h : dma handle for buffers w / o sg list
*
* command control block specific to the mailbox based controllers
*/
typedef struct {
uint8_t * raw_mbox ;
mbox_t * mbox ;
mbox64_t * mbox64 ;
dma_addr_t mbox_dma_h ;
mbox_sgl64 * sgl64 ;
mbox_sgl32 * sgl32 ;
dma_addr_t sgl_dma_h ;
mraid_passthru_t * pthru ;
dma_addr_t pthru_dma_h ;
mraid_epassthru_t * epthru ;
dma_addr_t epthru_dma_h ;
dma_addr_t buf_dma_h ;
} mbox_ccb_t ;
/**
* mraid_device_t - adapter soft state structure for mailbox controllers
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* @ una_mbox64 : 64 - bit mbox - unaligned
* @ una_mbox64_dma : mbox dma addr - unaligned
* @ mbox : 32 - bit mbox - aligned
* @ mbox64 : 64 - bit mbox - aligned
* @ mbox_dma : mbox dma addr - aligned
* @ mailbox_lock : exclusion lock for the mailbox
* @ baseport : base port of hba memory
* @ baseaddr : mapped addr of hba memory
* @ mbox_pool : pool of mailboxes
* @ mbox_pool_handle : handle for the mailbox pool memory
* @ epthru_pool : a pool for extended passthru commands
* @ epthru_pool_handle : handle to the pool above
* @ sg_pool : pool of scatter - gather lists for this driver
* @ sg_pool_handle : handle to the pool above
* @ ccb_list : list of our command control blocks
* @ uccb_list : list of cmd control blocks for mgmt module
* @ umbox64 : array of mailbox for user commands ( cmm )
* @ pdrv_state : array for state of each physical drive .
* @ last_disp : flag used to show device scanning
* @ hw_error : set if FW not responding
* @ fast_load : If set , skip physical device scanning
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* @ channel_class : channel class , RAID or SCSI
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* @ sysfs_mtx : mutex to serialize access to sysfs res .
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* @ sysfs_uioc : management packet to issue FW calls from sysfs
* @ sysfs_mbox64 : mailbox packet to issue FW calls from sysfs
* @ sysfs_buffer : data buffer for FW commands issued from sysfs
* @ sysfs_buffer_dma : DMA buffer for FW commands issued from sysfs
* @ sysfs_wait_q : wait queue for sysfs operations
* @ random_del_supported : set if the random deletion is supported
* @ curr_ldmap : current LDID map
*
* Initialization structure for mailbox controllers : memory based and IO based
* All the fields in this structure are LLD specific and may be discovered at
* init ( ) or start ( ) time .
*
* NOTE : The fields of this structures are placed to minimize cache misses
*/
# define MAX_LD_EXTENDED64 64
typedef struct {
mbox64_t * una_mbox64 ;
dma_addr_t una_mbox64_dma ;
mbox_t * mbox ;
mbox64_t * mbox64 ;
dma_addr_t mbox_dma ;
spinlock_t mailbox_lock ;
unsigned long baseport ;
void __iomem * baseaddr ;
struct mraid_pci_blk mbox_pool [ MBOX_MAX_SCSI_CMDS ] ;
struct dma_pool * mbox_pool_handle ;
struct mraid_pci_blk epthru_pool [ MBOX_MAX_SCSI_CMDS ] ;
struct dma_pool * epthru_pool_handle ;
struct mraid_pci_blk sg_pool [ MBOX_MAX_SCSI_CMDS ] ;
struct dma_pool * sg_pool_handle ;
mbox_ccb_t ccb_list [ MBOX_MAX_SCSI_CMDS ] ;
mbox_ccb_t uccb_list [ MBOX_MAX_USER_CMDS ] ;
mbox64_t umbox64 [ MBOX_MAX_USER_CMDS ] ;
uint8_t pdrv_state [ MBOX_MAX_PHYSICAL_DRIVES ] ;
uint32_t last_disp ;
int hw_error ;
int fast_load ;
uint8_t channel_class ;
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struct mutex sysfs_mtx ;
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uioc_t * sysfs_uioc ;
mbox64_t * sysfs_mbox64 ;
caddr_t sysfs_buffer ;
dma_addr_t sysfs_buffer_dma ;
wait_queue_head_t sysfs_wait_q ;
int random_del_supported ;
uint16_t curr_ldmap [ MAX_LD_EXTENDED64 ] ;
} mraid_device_t ;
// route to raid device from adapter
# define ADAP2RAIDDEV(adp) ((mraid_device_t *)((adp)->raid_device))
# define MAILBOX_LOCK(rdev) (&(rdev)->mailbox_lock)
// Find out if this channel is a RAID or SCSI
# define IS_RAID_CH(rdev, ch) (((rdev)->channel_class >> (ch)) & 0x01)
# define RDINDOOR(rdev) readl((rdev)->baseaddr + 0x20)
# define RDOUTDOOR(rdev) readl((rdev)->baseaddr + 0x2C)
# define WRINDOOR(rdev, value) writel(value, (rdev)->baseaddr + 0x20)
# define WROUTDOOR(rdev, value) writel(value, (rdev)->baseaddr + 0x2C)
# endif // _MEGARAID_H_
// vim: set ts=8 sw=8 tw=78: