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234 lines
7.7 KiB
234 lines
7.7 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* |
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* Linux MegaRAID device driver |
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* |
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* Copyright (c) 2003-2004 LSI Logic Corporation. |
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* |
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* FILE : megaraid_mbox.h |
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*/ |
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#ifndef _MEGARAID_H_ |
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#define _MEGARAID_H_ |
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#include "mega_common.h" |
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#include "mbox_defs.h" |
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#include "megaraid_ioctl.h" |
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#define MEGARAID_VERSION "2.20.5.1" |
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#define MEGARAID_EXT_VERSION "(Release Date: Thu Nov 16 15:32:35 EST 2006)" |
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/* |
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* Define some PCI values here until they are put in the kernel |
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*/ |
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#define PCI_DEVICE_ID_PERC4_DI_DISCOVERY 0x000E |
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#define PCI_SUBSYS_ID_PERC4_DI_DISCOVERY 0x0123 |
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#define PCI_DEVICE_ID_PERC4_SC 0x1960 |
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#define PCI_SUBSYS_ID_PERC4_SC 0x0520 |
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#define PCI_DEVICE_ID_PERC4_DC 0x1960 |
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#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 |
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#define PCI_SUBSYS_ID_PERC4_DI_EVERGLADES 0x014A |
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#define PCI_DEVICE_ID_PERC4E_SI_BIGBEND 0x0013 |
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#define PCI_SUBSYS_ID_PERC4E_SI_BIGBEND 0x016c |
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#define PCI_DEVICE_ID_PERC4E_DI_KOBUK 0x0013 |
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#define PCI_SUBSYS_ID_PERC4E_DI_KOBUK 0x016d |
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#define PCI_DEVICE_ID_PERC4E_DI_CORVETTE 0x0013 |
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#define PCI_SUBSYS_ID_PERC4E_DI_CORVETTE 0x016e |
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#define PCI_DEVICE_ID_PERC4E_DI_EXPEDITION 0x0013 |
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#define PCI_SUBSYS_ID_PERC4E_DI_EXPEDITION 0x016f |
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#define PCI_DEVICE_ID_PERC4E_DI_GUADALUPE 0x0013 |
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#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 |
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#define PCI_SUBSYS_ID_MEGARAID_SCSI_320_0 0xA520 |
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#define PCI_DEVICE_ID_MEGARAID_SCSI_320_1 0x1960 |
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#define PCI_SUBSYS_ID_MEGARAID_SCSI_320_1 0x0520 |
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#define PCI_DEVICE_ID_MEGARAID_SCSI_320_2 0x1960 |
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#define PCI_SUBSYS_ID_MEGARAID_SCSI_320_2 0x0518 |
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#define PCI_DEVICE_ID_MEGARAID_I4_133_RAID 0x1960 |
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#define PCI_SUBSYS_ID_MEGARAID_I4_133_RAID 0x0522 |
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#define PCI_DEVICE_ID_MEGARAID_SATA_150_4 0x1960 |
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#define PCI_SUBSYS_ID_MEGARAID_SATA_150_4 0x4523 |
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#define PCI_DEVICE_ID_MEGARAID_SATA_150_6 0x1960 |
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#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 |
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#define PCI_SUBSYS_ID_INTEL_RAID_SRCS16 0x0523 |
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#define PCI_DEVICE_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x1960 |
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#define PCI_SUBSYS_ID_INTEL_RAID_SRCU41L_LAKE_SHETEK 0x0520 |
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#define PCI_SUBSYS_ID_PERC3_QC 0x0471 |
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#define PCI_SUBSYS_ID_PERC3_DC 0x0493 |
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#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 |
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#define MBOX_MAX_USER_CMDS 32 // number of cmds for applications |
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#define MBOX_DEF_CMD_PER_LUN 64 // default commands per lun |
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#define MBOX_DEFAULT_SG_SIZE 26 // default sg size supported by all fw |
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#define MBOX_MAX_SG_SIZE 32 // maximum scatter-gather list size |
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#define MBOX_MAX_SECTORS 128 // maximum sectors per IO |
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#define MBOX_TIMEOUT 30 // timeout value for internal cmds |
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#define MBOX_BUSY_WAIT 10 // max usec to wait for busy mailbox |
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#define MBOX_RESET_WAIT 180 // wait these many seconds in reset |
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#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 |
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#define MBOX_SYNC_DELAY_200 200 // 200 micro-seconds |
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/* |
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* maximum transfer that can happen through the firmware commands issued |
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* internnaly from the driver. |
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*/ |
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#define MBOX_IBUF_SIZE 4096 |
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/** |
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* mbox_ccb_t - command control block specific to mailbox based controllers |
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* @raw_mbox : raw mailbox pointer |
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* @mbox : mailbox |
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* @mbox64 : extended mailbox |
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* @mbox_dma_h : mailbox dma address |
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* @sgl64 : 64-bit scatter-gather list |
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* @sgl32 : 32-bit scatter-gather list |
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* @sgl_dma_h : dma handle for the scatter-gather list |
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* @pthru : passthru structure |
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* @pthru_dma_h : dma handle for the passthru structure |
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* @epthru : extended passthru structure |
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* @epthru_dma_h : dma handle for extended passthru structure |
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* @buf_dma_h : dma handle for buffers w/o sg list |
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* |
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* command control block specific to the mailbox based controllers |
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*/ |
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typedef struct { |
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uint8_t *raw_mbox; |
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mbox_t *mbox; |
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mbox64_t *mbox64; |
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dma_addr_t mbox_dma_h; |
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mbox_sgl64 *sgl64; |
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mbox_sgl32 *sgl32; |
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dma_addr_t sgl_dma_h; |
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mraid_passthru_t *pthru; |
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dma_addr_t pthru_dma_h; |
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mraid_epassthru_t *epthru; |
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dma_addr_t epthru_dma_h; |
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dma_addr_t buf_dma_h; |
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} mbox_ccb_t; |
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/** |
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* mraid_device_t - adapter soft state structure for mailbox controllers |
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* @una_mbox64 : 64-bit mbox - unaligned |
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* @una_mbox64_dma : mbox dma addr - unaligned |
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* @mbox : 32-bit mbox - aligned |
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* @mbox64 : 64-bit mbox - aligned |
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* @mbox_dma : mbox dma addr - aligned |
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* @mailbox_lock : exclusion lock for the mailbox |
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* @baseport : base port of hba memory |
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* @baseaddr : mapped addr of hba memory |
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* @mbox_pool : pool of mailboxes |
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* @mbox_pool_handle : handle for the mailbox pool memory |
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* @epthru_pool : a pool for extended passthru commands |
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* @epthru_pool_handle : handle to the pool above |
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* @sg_pool : pool of scatter-gather lists for this driver |
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* @sg_pool_handle : handle to the pool above |
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* @ccb_list : list of our command control blocks |
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* @uccb_list : list of cmd control blocks for mgmt module |
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* @umbox64 : array of mailbox for user commands (cmm) |
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* @pdrv_state : array for state of each physical drive. |
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* @last_disp : flag used to show device scanning |
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* @hw_error : set if FW not responding |
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* @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 |
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* @sysfs_mbox64 : mailbox packet to issue FW calls from sysfs |
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* @sysfs_buffer : data buffer for FW commands issued from sysfs |
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* @sysfs_buffer_dma : DMA buffer for FW commands issued from sysfs |
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* @sysfs_wait_q : wait queue for sysfs operations |
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* @random_del_supported : set if the random deletion is supported |
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* @curr_ldmap : current LDID map |
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* |
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* Initialization structure for mailbox controllers: memory based and IO based |
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* All the fields in this structure are LLD specific and may be discovered at |
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* init() or start() time. |
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* |
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* NOTE: The fields of this structures are placed to minimize cache misses |
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*/ |
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#define MAX_LD_EXTENDED64 64 |
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typedef struct { |
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mbox64_t *una_mbox64; |
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dma_addr_t una_mbox64_dma; |
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mbox_t *mbox; |
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mbox64_t *mbox64; |
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dma_addr_t mbox_dma; |
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spinlock_t mailbox_lock; |
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unsigned long baseport; |
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void __iomem * baseaddr; |
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struct mraid_pci_blk mbox_pool[MBOX_MAX_SCSI_CMDS]; |
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struct dma_pool *mbox_pool_handle; |
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struct mraid_pci_blk epthru_pool[MBOX_MAX_SCSI_CMDS]; |
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struct dma_pool *epthru_pool_handle; |
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struct mraid_pci_blk sg_pool[MBOX_MAX_SCSI_CMDS]; |
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struct dma_pool *sg_pool_handle; |
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mbox_ccb_t ccb_list[MBOX_MAX_SCSI_CMDS]; |
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mbox_ccb_t uccb_list[MBOX_MAX_USER_CMDS]; |
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mbox64_t umbox64[MBOX_MAX_USER_CMDS]; |
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uint8_t pdrv_state[MBOX_MAX_PHYSICAL_DRIVES]; |
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uint32_t last_disp; |
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int hw_error; |
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int fast_load; |
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uint8_t channel_class; |
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struct mutex sysfs_mtx; |
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uioc_t *sysfs_uioc; |
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mbox64_t *sysfs_mbox64; |
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caddr_t sysfs_buffer; |
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dma_addr_t sysfs_buffer_dma; |
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wait_queue_head_t sysfs_wait_q; |
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int random_del_supported; |
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uint16_t curr_ldmap[MAX_LD_EXTENDED64]; |
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} mraid_device_t; |
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// route to raid device from adapter |
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#define ADAP2RAIDDEV(adp) ((mraid_device_t *)((adp)->raid_device)) |
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#define MAILBOX_LOCK(rdev) (&(rdev)->mailbox_lock) |
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// Find out if this channel is a RAID or SCSI |
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#define IS_RAID_CH(rdev, ch) (((rdev)->channel_class >> (ch)) & 0x01) |
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#define RDINDOOR(rdev) readl((rdev)->baseaddr + 0x20) |
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#define RDOUTDOOR(rdev) readl((rdev)->baseaddr + 0x2C) |
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#define WRINDOOR(rdev, value) writel(value, (rdev)->baseaddr + 0x20) |
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#define WROUTDOOR(rdev, value) writel(value, (rdev)->baseaddr + 0x2C) |
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#endif // _MEGARAID_H_ |
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// vim: set ts=8 sw=8 tw=78:
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