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Diffstat (limited to 'kernel/drivers/scsi/dpti.h')
| -rw-r--r-- | kernel/drivers/scsi/dpti.h | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/kernel/drivers/scsi/dpti.h b/kernel/drivers/scsi/dpti.h new file mode 100644 index 000000000..1fa345ab8 --- /dev/null +++ b/kernel/drivers/scsi/dpti.h @@ -0,0 +1,336 @@ +/*************************************************************************** + dpti.h - description + ------------------- + begin : Thu Sep 7 2000 + copyright : (C) 2001 by Adaptec + + See Documentation/scsi/dpti.txt for history, notes, license info + and credits + ***************************************************************************/ + +/*************************************************************************** + * * + * 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. * + * * + ***************************************************************************/ + +#ifndef _DPT_H +#define _DPT_H + +#define MAX_TO_IOP_MESSAGES (255) +#define MAX_FROM_IOP_MESSAGES (255) + + +/* + * SCSI interface function Prototypes + */ + +static int adpt_detect(struct scsi_host_template * sht); +static int adpt_queue(struct Scsi_Host *h, struct scsi_cmnd * cmd); +static int adpt_abort(struct scsi_cmnd * cmd); +static int adpt_reset(struct scsi_cmnd* cmd); +static int adpt_release(struct Scsi_Host *host); +static int adpt_slave_configure(struct scsi_device *); + +static const char *adpt_info(struct Scsi_Host *pSHost); +static int adpt_bios_param(struct scsi_device * sdev, struct block_device *dev, + sector_t, int geom[]); + +static int adpt_bus_reset(struct scsi_cmnd* cmd); +static int adpt_device_reset(struct scsi_cmnd* cmd); + + +/* + * struct scsi_host_template (see scsi/scsi_host.h) + */ + +#define DPT_DRIVER_NAME "Adaptec I2O RAID" + +#ifndef HOSTS_C + +#include "dpt/sys_info.h" +#include <linux/wait.h> +#include "dpt/dpti_i2o.h" +#include "dpt/dpti_ioctl.h" + +#define DPT_I2O_VERSION "2.4 Build 5go" +#define DPT_VERSION 2 +#define DPT_REVISION '4' +#define DPT_SUBREVISION '5' +#define DPT_BETA "" +#define DPT_MONTH 8 +#define DPT_DAY 7 +#define DPT_YEAR (2001-1980) + +#define DPT_DRIVER "dpt_i2o" +#define DPTI_I2O_MAJOR (151) +#define DPT_ORGANIZATION_ID (0x1B) /* For Private Messages */ +#define DPTI_MAX_HBA (16) +#define MAX_CHANNEL (5) // Maximum Channel # Supported +#define MAX_ID (128) // Maximum Target ID Supported + +/* Sizes in 4 byte words */ +#define REPLY_FRAME_SIZE (17) +#define MAX_MESSAGE_SIZE (128) +#define SG_LIST_ELEMENTS (56) + +#define EMPTY_QUEUE 0xffffffff +#define I2O_INTERRUPT_PENDING_B (0x08) + +#define PCI_DPT_VENDOR_ID (0x1044) // DPT PCI Vendor ID +#define PCI_DPT_DEVICE_ID (0xA501) // DPT PCI I2O Device ID +#define PCI_DPT_RAPTOR_DEVICE_ID (0xA511) + +/* Debugging macro from Linux Device Drivers - Rubini */ +#undef PDEBUG +#ifdef DEBUG +//TODO add debug level switch +# define PDEBUG(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args) +# define PDEBUGV(fmt, args...) printk(KERN_DEBUG "dpti: " fmt, ##args) +#else +# define PDEBUG(fmt, args...) /* not debugging: nothing */ +# define PDEBUGV(fmt, args...) /* not debugging: nothing */ +#endif + +#define PERROR(fmt, args...) printk(KERN_ERR fmt, ##args) +#define PWARN(fmt, args...) printk(KERN_WARNING fmt, ##args) +#define PINFO(fmt, args...) printk(KERN_INFO fmt, ##args) +#define PCRIT(fmt, args...) printk(KERN_CRIT fmt, ##args) + +#define SHUTDOWN_SIGS (sigmask(SIGKILL)|sigmask(SIGINT)|sigmask(SIGTERM)) + +// Command timeouts +#define FOREVER (0) +#define TMOUT_INQUIRY (20) +#define TMOUT_FLUSH (360/45) +#define TMOUT_ABORT (30) +#define TMOUT_SCSI (300) +#define TMOUT_IOPRESET (360) +#define TMOUT_GETSTATUS (15) +#define TMOUT_INITOUTBOUND (15) +#define TMOUT_LCT (360) + + +#define I2O_SCSI_DEVICE_DSC_MASK 0x00FF + +#define I2O_DETAIL_STATUS_UNSUPPORTED_FUNCTION 0x000A + +#define I2O_SCSI_DSC_MASK 0xFF00 +#define I2O_SCSI_DSC_SUCCESS 0x0000 +#define I2O_SCSI_DSC_REQUEST_ABORTED 0x0200 +#define I2O_SCSI_DSC_UNABLE_TO_ABORT 0x0300 +#define I2O_SCSI_DSC_COMPLETE_WITH_ERROR 0x0400 +#define I2O_SCSI_DSC_ADAPTER_BUSY 0x0500 +#define I2O_SCSI_DSC_REQUEST_INVALID 0x0600 +#define I2O_SCSI_DSC_PATH_INVALID 0x0700 +#define I2O_SCSI_DSC_DEVICE_NOT_PRESENT 0x0800 +#define I2O_SCSI_DSC_UNABLE_TO_TERMINATE 0x0900 +#define I2O_SCSI_DSC_SELECTION_TIMEOUT 0x0A00 +#define I2O_SCSI_DSC_COMMAND_TIMEOUT 0x0B00 +#define I2O_SCSI_DSC_MR_MESSAGE_RECEIVED 0x0D00 +#define I2O_SCSI_DSC_SCSI_BUS_RESET 0x0E00 +#define I2O_SCSI_DSC_PARITY_ERROR_FAILURE 0x0F00 +#define I2O_SCSI_DSC_AUTOSENSE_FAILED 0x1000 +#define I2O_SCSI_DSC_NO_ADAPTER 0x1100 +#define I2O_SCSI_DSC_DATA_OVERRUN 0x1200 +#define I2O_SCSI_DSC_UNEXPECTED_BUS_FREE 0x1300 +#define I2O_SCSI_DSC_SEQUENCE_FAILURE 0x1400 +#define I2O_SCSI_DSC_REQUEST_LENGTH_ERROR 0x1500 +#define I2O_SCSI_DSC_PROVIDE_FAILURE 0x1600 +#define I2O_SCSI_DSC_BDR_MESSAGE_SENT 0x1700 +#define I2O_SCSI_DSC_REQUEST_TERMINATED 0x1800 +#define I2O_SCSI_DSC_IDE_MESSAGE_SENT 0x3300 +#define I2O_SCSI_DSC_RESOURCE_UNAVAILABLE 0x3400 +#define I2O_SCSI_DSC_UNACKNOWLEDGED_EVENT 0x3500 +#define I2O_SCSI_DSC_MESSAGE_RECEIVED 0x3600 +#define I2O_SCSI_DSC_INVALID_CDB 0x3700 +#define I2O_SCSI_DSC_LUN_INVALID 0x3800 +#define I2O_SCSI_DSC_SCSI_TID_INVALID 0x3900 +#define I2O_SCSI_DSC_FUNCTION_UNAVAILABLE 0x3A00 +#define I2O_SCSI_DSC_NO_NEXUS 0x3B00 +#define I2O_SCSI_DSC_SCSI_IID_INVALID 0x3C00 +#define I2O_SCSI_DSC_CDB_RECEIVED 0x3D00 +#define I2O_SCSI_DSC_LUN_ALREADY_ENABLED 0x3E00 +#define I2O_SCSI_DSC_BUS_BUSY 0x3F00 +#define I2O_SCSI_DSC_QUEUE_FROZEN 0x4000 + + +#ifndef TRUE +#define TRUE 1 +#define FALSE 0 +#endif + +#define HBA_FLAGS_INSTALLED_B 0x00000001 // Adapter Was Installed +#define HBA_FLAGS_BLINKLED_B 0x00000002 // Adapter In Blink LED State +#define HBA_FLAGS_IN_RESET 0x00000040 /* in reset */ +#define HBA_HOSTRESET_FAILED 0x00000080 /* adpt_resethost failed */ + + +// Device state flags +#define DPTI_DEV_ONLINE 0x00 +#define DPTI_DEV_UNSCANNED 0x01 +#define DPTI_DEV_RESET 0x02 +#define DPTI_DEV_OFFLINE 0x04 + + +struct adpt_device { + struct adpt_device* next_lun; + u32 flags; + u32 type; + u32 capacity; + u32 block_size; + u8 scsi_channel; + u8 scsi_id; + u64 scsi_lun; + u8 state; + u16 tid; + struct i2o_device* pI2o_dev; + struct scsi_device *pScsi_dev; +}; + +struct adpt_channel { + struct adpt_device* device[MAX_ID]; /* used as an array of 128 scsi ids */ + u8 scsi_id; + u8 type; + u16 tid; + u32 state; + struct i2o_device* pI2o_dev; +}; + +// HBA state flags +#define DPTI_STATE_RESET (0x01) + +typedef struct _adpt_hba { + struct _adpt_hba *next; + struct pci_dev *pDev; + struct Scsi_Host *host; + u32 state; + spinlock_t state_lock; + int unit; + int host_no; /* SCSI host number */ + u8 initialized; + u8 in_use; /* is the management node open*/ + + char name[32]; + char detail[55]; + + void __iomem *base_addr_virt; + void __iomem *msg_addr_virt; + ulong base_addr_phys; + void __iomem *post_port; + void __iomem *reply_port; + void __iomem *irq_mask; + u16 post_count; + u32 post_fifo_size; + u32 reply_fifo_size; + u32* reply_pool; + dma_addr_t reply_pool_pa; + u32 sg_tablesize; // Scatter/Gather List Size. + u8 top_scsi_channel; + u8 top_scsi_id; + u64 top_scsi_lun; + u8 dma64; + + i2o_status_block* status_block; + dma_addr_t status_block_pa; + i2o_hrt* hrt; + dma_addr_t hrt_pa; + i2o_lct* lct; + dma_addr_t lct_pa; + uint lct_size; + struct i2o_device* devices; + struct adpt_channel channel[MAX_CHANNEL]; + struct proc_dir_entry* proc_entry; /* /proc dir */ + + void __iomem *FwDebugBuffer_P; // Virtual Address Of FW Debug Buffer + u32 FwDebugBufferSize; // FW Debug Buffer Size In Bytes + void __iomem *FwDebugStrLength_P;// Virtual Addr Of FW Debug String Len + void __iomem *FwDebugFlags_P; // Virtual Address Of FW Debug Flags + void __iomem *FwDebugBLEDflag_P;// Virtual Addr Of FW Debug BLED + void __iomem *FwDebugBLEDvalue_P;// Virtual Addr Of FW Debug BLED + u32 FwDebugFlags; + u32 *ioctl_reply_context[4]; +} adpt_hba; + +struct sg_simple_element { + u32 flag_count; + u32 addr_bus; +}; + +/* + * Function Prototypes + */ + +static void adpt_i2o_sys_shutdown(void); +static int adpt_init(void); +static int adpt_i2o_build_sys_table(void); +static irqreturn_t adpt_isr(int irq, void *dev_id); + +static void adpt_i2o_report_hba_unit(adpt_hba* pHba, struct i2o_device *d); +static int adpt_i2o_query_scalar(adpt_hba* pHba, int tid, + int group, int field, void *buf, int buflen); +#ifdef DEBUG +static const char *adpt_i2o_get_class_name(int class); +#endif +static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid, + void *opblk, dma_addr_t opblk_pa, int oplen, + void *resblk, dma_addr_t resblk_pa, int reslen); +static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout); +static int adpt_i2o_lct_get(adpt_hba* pHba); +static int adpt_i2o_parse_lct(adpt_hba* pHba); +static int adpt_i2o_activate_hba(adpt_hba* pHba); +static int adpt_i2o_enable_hba(adpt_hba* pHba); +static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d); +static s32 adpt_i2o_post_this(adpt_hba* pHba, u32* data, int len); +static s32 adpt_i2o_quiesce_hba(adpt_hba* pHba); +static s32 adpt_i2o_status_get(adpt_hba* pHba); +static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba); +static s32 adpt_i2o_hrt_get(adpt_hba* pHba); +static s32 adpt_scsi_to_i2o(adpt_hba* pHba, struct scsi_cmnd* cmd, struct adpt_device* dptdevice); +static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd); +static s32 adpt_scsi_host_alloc(adpt_hba* pHba,struct scsi_host_template * sht); +static s32 adpt_hba_reset(adpt_hba* pHba); +static s32 adpt_i2o_reset_hba(adpt_hba* pHba); +static s32 adpt_rescan(adpt_hba* pHba); +static s32 adpt_i2o_reparse_lct(adpt_hba* pHba); +static s32 adpt_send_nop(adpt_hba*pHba,u32 m); +static void adpt_i2o_delete_hba(adpt_hba* pHba); +static void adpt_inquiry(adpt_hba* pHba); +static void adpt_fail_posted_scbs(adpt_hba* pHba); +static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u64 lun); +static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev) ; +static int adpt_i2o_online_hba(adpt_hba* pHba); +static void adpt_i2o_post_wait_complete(u32, int); +static int adpt_i2o_systab_send(adpt_hba* pHba); + +static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg); +static int adpt_open(struct inode *inode, struct file *file); +static int adpt_close(struct inode *inode, struct file *file); + + +#ifdef UARTDELAY +static void adpt_delay(int millisec); +#endif + +#define PRINT_BUFFER_SIZE 512 + +#define HBA_FLAGS_DBG_FLAGS_MASK 0xffff0000 // Mask for debug flags +#define HBA_FLAGS_DBG_KERNEL_PRINT_B 0x00010000 // Kernel Debugger Print +#define HBA_FLAGS_DBG_FW_PRINT_B 0x00020000 // Firmware Debugger Print +#define HBA_FLAGS_DBG_FUNCTION_ENTRY_B 0x00040000 // Function Entry Point +#define HBA_FLAGS_DBG_FUNCTION_EXIT_B 0x00080000 // Function Exit +#define HBA_FLAGS_DBG_ERROR_B 0x00100000 // Error Conditions +#define HBA_FLAGS_DBG_INIT_B 0x00200000 // Init Prints +#define HBA_FLAGS_DBG_OS_COMMANDS_B 0x00400000 // OS Command Info +#define HBA_FLAGS_DBG_SCAN_B 0x00800000 // Device Scan + +#define FW_DEBUG_STR_LENGTH_OFFSET 0 +#define FW_DEBUG_FLAGS_OFFSET 4 +#define FW_DEBUG_BLED_OFFSET 8 + +#define FW_DEBUG_FLAGS_NO_HEADERS_B 0x01 +#endif /* !HOSTS_C */ +#endif /* _DPT_H */ |