/* * * 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 "2.20.5.1" #define MEGARAID_EXT_VERSION "(Release Date: Thu Nov 16 15:32:35 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 * @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 * @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: