--- /dev/null
+/*
+ *
+ * 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 PCI_SUBSYS_ID_CERC_ATA100_4CH 0x0511
+
+
+#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_mtx : mutex 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 mutex sysfs_mtx;
+ 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:
Code Review / kvmfornfv.git / blobdiff