megaraid_sas.h

最新的Megaraid SAS卡驱动源代码

	u32 	reserved_1[2];			/*0038h*/

	u32 	inbound_queue_port;		/*0040h*/
	u32 	outbound_queue_port;		/*0044h*/

	u32 	reserved_2[22];			/*0048h*/

	u32 	outbound_doorbell_clear;	/*00A0h*/

	u32 	reserved_3[3];			/*00A4h*/

	u32 	outbound_scratch_pad ;		/*00B0h*/

	u32 	reserved_4[3];			/*00B4h*/

	u32 	inbound_low_queue_port ;	/*00C0h*/

	u32 	inbound_high_queue_port ;	/*00C4h*/

	u32 	reserved_5;			/*00C8h*/
	u32 	index_registers[820];		/*00CCh*/

} __attribute__ ((packed));

struct megasas_sge32 {

	u32 phys_addr;
	u32 length;

} __attribute__ ((packed));

struct megasas_sge64 {

	u64 phys_addr;
	u32 length;

} __attribute__ ((packed));

union megasas_sgl {

	struct megasas_sge32 sge32[1];
	struct megasas_sge64 sge64[1];

} __attribute__ ((packed));

struct megasas_header {

	u8 cmd;			/*00h */
	u8 sense_len;		/*01h */
	u8 cmd_status;		/*02h */
	u8 scsi_status;		/*03h */

	u8 target_id;		/*04h */
	u8 lun;			/*05h */
	u8 cdb_len;		/*06h */
	u8 sge_count;		/*07h */

	u32 context;		/*08h */
	u32 pad_0;		/*0Ch */

	u16 flags;		/*10h */
	u16 timeout;		/*12h */
	u32 data_xferlen;	/*14h */

} __attribute__ ((packed));

union megasas_sgl_frame {

	struct megasas_sge32 sge32[8];
	struct megasas_sge64 sge64[5];

} __attribute__ ((packed));

struct megasas_init_frame {

	u8 cmd;			/*00h */
	u8 reserved_0;		/*01h */
	u8 cmd_status;		/*02h */

	u8 reserved_1;		/*03h */
	u32 reserved_2;		/*04h */

	u32 context;		/*08h */
	u32 pad_0;		/*0Ch */

	u16 flags;		/*10h */
	u16 reserved_3;		/*12h */
	u32 data_xfer_len;	/*14h */

	u32 queue_info_new_phys_addr_lo;	/*18h */
	u32 queue_info_new_phys_addr_hi;	/*1Ch */
	u32 queue_info_old_phys_addr_lo;	/*20h */
	u32 queue_info_old_phys_addr_hi;	/*24h */

	u32 reserved_4[6];	/*28h */

} __attribute__ ((packed));

struct megasas_init_queue_info {

	u32 init_flags;		/*00h */
	u32 reply_queue_entries;	/*04h */

	u32 reply_queue_start_phys_addr_lo;	/*08h */
	u32 reply_queue_start_phys_addr_hi;	/*0Ch */
	u32 producer_index_phys_addr_lo;	/*10h */
	u32 producer_index_phys_addr_hi;	/*14h */
	u32 consumer_index_phys_addr_lo;	/*18h */
	u32 consumer_index_phys_addr_hi;	/*1Ch */

} __attribute__ ((packed));

struct megasas_io_frame {

	u8 cmd;			/*00h */
	u8 sense_len;		/*01h */
	u8 cmd_status;		/*02h */
	u8 scsi_status;		/*03h */

	u8 target_id;		/*04h */
	u8 access_byte;		/*05h */
	u8 reserved_0;		/*06h */
	u8 sge_count;		/*07h */

	u32 context;		/*08h */
	u32 pad_0;		/*0Ch */

	u16 flags;		/*10h */
	u16 timeout;		/*12h */
	u32 lba_count;		/*14h */

	u32 sense_buf_phys_addr_lo;	/*18h */
	u32 sense_buf_phys_addr_hi;	/*1Ch */

	u32 start_lba_lo;	/*20h */
	u32 start_lba_hi;	/*24h */

	union megasas_sgl sgl;	/*28h */

} __attribute__ ((packed));

struct megasas_pthru_frame {

	u8 cmd;			/*00h */
	u8 sense_len;		/*01h */
	u8 cmd_status;		/*02h */
	u8 scsi_status;		/*03h */

	u8 target_id;		/*04h */
	u8 lun;			/*05h */
	u8 cdb_len;		/*06h */
	u8 sge_count;		/*07h */

	u32 context;		/*08h */
	u32 pad_0;		/*0Ch */

	u16 flags;		/*10h */
	u16 timeout;		/*12h */
	u32 data_xfer_len;	/*14h */

	u32 sense_buf_phys_addr_lo;	/*18h */
	u32 sense_buf_phys_addr_hi;	/*1Ch */

	u8 cdb[16];		/*20h */
	union megasas_sgl sgl;	/*30h */

} __attribute__ ((packed));

struct megasas_dcmd_frame {

	u8 cmd;			/*00h */
	u8 reserved_0;		/*01h */
	u8 cmd_status;		/*02h */
	u8 reserved_1[4];	/*03h */
	u8 sge_count;		/*07h */

	u32 context;		/*08h */
	u32 pad_0;		/*0Ch */

	u16 flags;		/*10h */
	u16 timeout;		/*12h */

	u32 data_xfer_len;	/*14h */
	u32 opcode;		/*18h */

	union {			/*1Ch */
		u8 b[12];
		u16 s[6];
		u32 w[3];
	} mbox;

	union megasas_sgl sgl;	/*28h */

} __attribute__ ((packed));

struct megasas_abort_frame {

	u8 cmd;			/*00h */
	u8 reserved_0;		/*01h */
	u8 cmd_status;		/*02h */

	u8 reserved_1;		/*03h */
	u32 reserved_2;		/*04h */

	u32 context;		/*08h */
	u32 pad_0;		/*0Ch */

	u16 flags;		/*10h */
	u16 reserved_3;		/*12h */
	u32 reserved_4;		/*14h */

	u32 abort_context;	/*18h */
	u32 pad_1;		/*1Ch */

	u32 abort_mfi_phys_addr_lo;	/*20h */
	u32 abort_mfi_phys_addr_hi;	/*24h */

	u32 reserved_5[6];	/*28h */

} __attribute__ ((packed));

struct megasas_smp_frame {

	u8 cmd;			/*00h */
	u8 reserved_1;		/*01h */
	u8 cmd_status;		/*02h */
	u8 connection_status;	/*03h */

	u8 reserved_2[3];	/*04h */
	u8 sge_count;		/*07h */

	u32 context;		/*08h */
	u32 pad_0;		/*0Ch */

	u16 flags;		/*10h */
	u16 timeout;		/*12h */

	u32 data_xfer_len;	/*14h */
	u64 sas_addr;		/*18h */

	union {
		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: req */
		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: req */
	} sgl;

} __attribute__ ((packed));

struct megasas_stp_frame {

	u8 cmd;			/*00h */
	u8 reserved_1;		/*01h */
	u8 cmd_status;		/*02h */
	u8 reserved_2;		/*03h */

	u8 target_id;		/*04h */
	u8 reserved_3[2];	/*05h */
	u8 sge_count;		/*07h */

	u32 context;		/*08h */
	u32 pad_0;		/*0Ch */

	u16 flags;		/*10h */
	u16 timeout;		/*12h */

	u32 data_xfer_len;	/*14h */

	u16 fis[10];		/*18h */
	u32 stp_flags;

	union {
		struct megasas_sge32 sge32[2];	/* [0]: resp [1]: data */
		struct megasas_sge64 sge64[2];	/* [0]: resp [1]: data */
	} sgl;

} __attribute__ ((packed));

union megasas_frame {

	struct megasas_header hdr;
	struct megasas_init_frame init;
	struct megasas_io_frame io;
	struct megasas_pthru_frame pthru;
	struct megasas_dcmd_frame dcmd;
	struct megasas_abort_frame abort;
	struct megasas_smp_frame smp;
	struct megasas_stp_frame stp;

	u8 raw_bytes[64];
};

struct megasas_cmd;

union megasas_evt_class_locale {

	struct {
		u16 locale;
		u8 reserved;
		s8 class;
	} __attribute__ ((packed)) members;

	u32 word;

} __attribute__ ((packed));

struct megasas_evt_log_info {
	u32 newest_seq_num;
	u32 oldest_seq_num;
	u32 clear_seq_num;
	u32 shutdown_seq_num;
	u32 boot_seq_num;

} __attribute__ ((packed));

struct megasas_progress {

	u16 progress;
	u16 elapsed_seconds;

} __attribute__ ((packed));

struct megasas_evtarg_ld {

	u16 target_id;
	u8 ld_index;
	u8 reserved;

} __attribute__ ((packed));

struct megasas_evtarg_pd {
	u16 device_id;
	u8 encl_index;
	u8 slot_number;

} __attribute__ ((packed));

struct megasas_evt_detail {

	u32 seq_num;
	u32 time_stamp;
	u32 code;
	union megasas_evt_class_locale cl;
	u8 arg_type;
	u8 reserved1[15];

	union {
		struct {
			struct megasas_evtarg_pd pd;
			u8 cdb_length;
			u8 sense_length;
			u8 reserved[2];
			u8 cdb[16];
			u8 sense[64];
		} __attribute__ ((packed)) cdbSense;

		struct megasas_evtarg_ld ld;

		struct {
			struct megasas_evtarg_ld ld;
			u64 count;
		} __attribute__ ((packed)) ld_count;

		struct {
			u64 lba;
			struct megasas_evtarg_ld ld;
		} __attribute__ ((packed)) ld_lba;

		struct {
			struct megasas_evtarg_ld ld;
			u32 prevOwner;
			u32 newOwner;
		} __attribute__ ((packed)) ld_owner;

		struct {
			u64 ld_lba;
			u64 pd_lba;
			struct megasas_evtarg_ld ld;
			struct megasas_evtarg_pd pd;
		} __attribute__ ((packed)) ld_lba_pd_lba;

		struct {
			struct megasas_evtarg_ld ld;
			struct megasas_progress prog;
		} __attribute__ ((packed)) ld_prog;

		struct {
			struct megasas_evtarg_ld ld;
			u32 prev_state;
			u32 new_state;
		} __attribute__ ((packed)) ld_state;

		struct {
			u64 strip;
			struct megasas_evtarg_ld ld;
		} __attribute__ ((packed)) ld_strip;

		struct megasas_evtarg_pd pd;

		struct {
			struct megasas_evtarg_pd pd;
			u32 err;
		} __attribute__ ((packed)) pd_err;

		struct {
			u64 lba;
			struct megasas_evtarg_pd pd;
		} __attribute__ ((packed)) pd_lba;

		struct {
			u64 lba;
			struct megasas_evtarg_pd pd;
			struct megasas_evtarg_ld ld;
		} __attribute__ ((packed)) pd_lba_ld;

		struct {
			struct megasas_evtarg_pd pd;
			struct megasas_progress prog;
		} __attribute__ ((packed)) pd_prog;

		struct {
			struct megasas_evtarg_pd pd;
			u32 prevState;
			u32 newState;
		} __attribute__ ((packed)) pd_state;

		struct {
			u16 vendorId;
			u16 deviceId;
			u16 subVendorId;
			u16 subDeviceId;
		} __attribute__ ((packed)) pci;

		u32 rate;
		char str[96];

		struct {
			u32 rtc;
			u32 elapsedSeconds;
		} __attribute__ ((packed)) time;

		struct {
			u32 ecar;
			u32 elog;
			char str[64];
		} __attribute__ ((packed)) ecc;

		u8 b[96];
		u16 s[48];
		u32 w[24];
		u64 d[12];
	} args;

	char description[128];

} __attribute__ ((packed));

 struct megasas_instance_template {
	void (*fire_cmd)(dma_addr_t ,u32 ,struct megasas_register_set __iomem *);

	void (*enable_intr)(struct megasas_register_set __iomem *) ;
	void (*disable_intr)(struct megasas_register_set __iomem *);

	int (*clear_intr)(struct megasas_register_set __iomem *);

	u32 (*read_fw_status_reg)(struct megasas_register_set __iomem *);
 };

struct megasas_instance {

	u32 *producer;
	dma_addr_t producer_h;
	u32 *consumer;
	dma_addr_t consumer_h;

	u32 *reply_queue;
	dma_addr_t reply_queue_h;

	unsigned long base_addr;
	struct megasas_register_set __iomem *reg_set;

	s8 init_id;

	u16 max_num_sge;
	u16 max_fw_cmds;
	u32 max_sectors_per_req;
	u32 cmd_per_lun;

	struct megasas_cmd **cmd_list;
	struct list_head cmd_pool;
	spinlock_t cmd_pool_lock;
	spinlock_t completion_lock;
	struct dma_pool *frame_dma_pool;
	struct dma_pool *sense_dma_pool;

	struct megasas_evt_detail *evt_detail;
	dma_addr_t evt_detail_h;
	struct megasas_cmd *aen_cmd;
	struct semaphore aen_mutex;
	struct semaphore ioctl_sem;

	struct Scsi_Host *host;

	wait_queue_head_t int_cmd_wait_q;
	wait_queue_head_t abort_cmd_wait_q;

	struct pci_dev *pdev;
	u32 unique_id;

	atomic_t fw_outstanding;
	u32 hw_crit_error;
	
	struct megasas_instance_template *instancet;
	struct tasklet_struct isr_tasklet;

	u8 flag;
	unsigned long last_time;
};

#define MEGASAS_IS_LOGICAL(scp)						\
	(scp->device->channel < MEGASAS_MAX_PD_CHANNELS) ? 0 : 1

#define MEGASAS_DEV_INDEX(inst, scp)					\
	((scp->device->channel % 2) * MEGASAS_MAX_DEV_PER_CHANNEL) + 	\
	scp->device->id

struct megasas_cmd {

	union megasas_frame *frame;
	dma_addr_t frame_phys_addr;
	u8 *sense;
	dma_addr_t sense_phys_addr;

	u32 index;
	u8 sync_cmd;
	u8 cmd_status;
	u16 abort_aen;

	struct list_head list;
	struct scsi_cmnd *scmd;
	struct megasas_instance *instance;
	u32 frame_count;
};

#define MAX_MGMT_ADAPTERS		1024
#define MAX_IOCTL_SGE			16

struct megasas_iocpacket {

	u16 host_no;
	u16 __pad1;
	u32 sgl_off;
	u32 sge_count;
	u32 sense_off;
	u32 sense_len;
	union {
		u8 raw[128];
		struct megasas_header hdr;
	} frame;

	struct iovec sgl[MAX_IOCTL_SGE];

} __attribute__ ((packed));

struct megasas_aen {
	u16 host_no;
	u16 __pad1;
	u32 seq_num;
	u32 class_locale_word;
} __attribute__ ((packed));

#ifdef CONFIG_COMPAT
struct compat_megasas_iocpacket {
	u16 host_no;
	u16 __pad1;
	u32 sgl_off;
	u32 sge_count;
	u32 sense_off;
	u32 sense_len;
	union {
		u8 raw[128];
		struct megasas_header hdr;
	} frame;
	struct compat_iovec sgl[MAX_IOCTL_SGE];
} __attribute__ ((packed));

#define MEGASAS_IOC_FIRMWARE32	_IOWR('M', 1, struct compat_megasas_iocpacket)
#endif

#define MEGASAS_IOC_FIRMWARE	_IOWR('M', 1, struct megasas_iocpacket)
#define MEGASAS_IOC_GET_AEN	_IOW('M', 3, struct megasas_aen)

struct megasas_mgmt_info {

	u16 count;
	struct megasas_instance *instance[MAX_MGMT_ADAPTERS];
	int max_index;
};

#endif				/*LSI_MEGARAID_SAS_H */