drivers/scsi/megaraid/megaraid_mbox.h - maze/linux - Git at Google

 /*
  *
  *			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"


 #define MEGARAID_VERSION	"2.20.4.9"
 #define MEGARAID_EXT_VERSION	"(Release Date: Sun Jul 16 12:27:22 EST 2006)"


 /*
  * 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

 #define PCI_DEVICE_ID_VERDE				0x0407

 #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

 #define PCI_DEVICE_ID_DOBSON				0x0408

 #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

 #define PCI_DEVICE_ID_LINDSAY				0x0409

 #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


 #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
 #define MBOX_SYNC_WAIT_CNT	0xFFFF	// wait loop index for synchronous mode

 #define MBOX_SYNC_DELAY_200	200	// 200 micro-seconds

 /*
  * 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
  * @param una_mbox64		: 64-bit mbox - unaligned
  * @param una_mbox64_dma	: mbox dma addr - unaligned
  * @param mbox			: 32-bit mbox - aligned
  * @param mbox64		: 64-bit mbox - aligned
  * @param mbox_dma		: mbox dma addr - aligned
  * @param mailbox_lock		: exclusion lock for the mailbox
  * @param baseport		: base port of hba memory
  * @param baseaddr		: mapped addr of hba memory
  * @param mbox_pool		: pool of mailboxes
  * @param mbox_pool_handle	: handle for the mailbox pool memory
  * @param epthru_pool		: a pool for extended passthru commands
  * @param epthru_pool_handle	: handle to the pool above
  * @param sg_pool		: pool of scatter-gather lists for this driver
  * @param sg_pool_handle	: handle to the pool above
  * @param ccb_list		: list of our command control blocks
  * @param uccb_list		: list of cmd control blocks for mgmt module
  * @param umbox64		: array of mailbox for user commands (cmm)
  * @param pdrv_state		: array for state of each physical drive.
  * @param last_disp		: flag used to show device scanning
  * @param hw_error		: set if FW not responding
  * @param fast_load		: If set, skip physical device scanning
  * @channel_class		: channel class, RAID or SCSI
  * @sysfs_sem			: semaphore to serialize access to sysfs res.
  * @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;
 	struct semaphore		sysfs_sem;
 	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:
	/*
	*
	* 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"


	#define MEGARAID_VERSION "2.20.4.9"
	#define MEGARAID_EXT_VERSION "(Release Date: Sun Jul 16 12:27:22 EST 2006)"


	/*
	* 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

	#define PCI_DEVICE_ID_VERDE 0x0407

	#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

	#define PCI_DEVICE_ID_DOBSON 0x0408

	#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

	#define PCI_DEVICE_ID_LINDSAY 0x0409

	#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


	#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
	#define MBOX_SYNC_WAIT_CNT 0xFFFF // wait loop index for synchronous mode

	#define MBOX_SYNC_DELAY_200 200 // 200 micro-seconds

	/*
	* 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
	* @param una_mbox64 : 64-bit mbox - unaligned
	* @param una_mbox64_dma : mbox dma addr - unaligned
	* @param mbox : 32-bit mbox - aligned
	* @param mbox64 : 64-bit mbox - aligned
	* @param mbox_dma : mbox dma addr - aligned
	* @param mailbox_lock : exclusion lock for the mailbox
	* @param baseport : base port of hba memory
	* @param baseaddr : mapped addr of hba memory
	* @param mbox_pool : pool of mailboxes
	* @param mbox_pool_handle : handle for the mailbox pool memory
	* @param epthru_pool : a pool for extended passthru commands
	* @param epthru_pool_handle : handle to the pool above
	* @param sg_pool : pool of scatter-gather lists for this driver
	* @param sg_pool_handle : handle to the pool above
	* @param ccb_list : list of our command control blocks
	* @param uccb_list : list of cmd control blocks for mgmt module
	* @param umbox64 : array of mailbox for user commands (cmm)
	* @param pdrv_state : array for state of each physical drive.
	* @param last_disp : flag used to show device scanning
	* @param hw_error : set if FW not responding
	* @param fast_load : If set, skip physical device scanning
	* @channel_class : channel class, RAID or SCSI
	* @sysfs_sem : semaphore to serialize access to sysfs res.
	* @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;
	struct semaphore sysfs_sem;
	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: