X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fieee1394%2Fsbp2.h;h=f4ccc9d0fba4106d6a8da4e6f886b45f3172993f;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=d12f8e160a8092924d2b9c2216257b588093f88c;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git diff --git a/drivers/ieee1394/sbp2.h b/drivers/ieee1394/sbp2.h index d12f8e160..f4ccc9d0f 100644 --- a/drivers/ieee1394/sbp2.h +++ b/drivers/ieee1394/sbp2.h @@ -33,15 +33,17 @@ #define ORB_DIRECTION_NO_DATA_TRANSFER 0x2 #define ORB_SET_NULL_PTR(value) ((value & 0x1) << 31) -#define ORB_SET_NOTIFY(value) ((value & 0x1) << 31) -#define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */ +#define ORB_SET_NOTIFY(value) ((value & 0x1) << 31) +#define ORB_SET_RQ_FMT(value) ((value & 0x3) << 29) /* unused ? */ #define ORB_SET_NODE_ID(value) ((value & 0xffff) << 16) -#define ORB_SET_DATA_SIZE(value) (value & 0xffff) -#define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16) -#define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19) -#define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20) -#define ORB_SET_SPEED(value) ((value & 0x7) << 24) -#define ORB_SET_DIRECTION(value) ((value & 0x1) << 27) +#define ORB_SET_STATUS_FIFO_HI(value, id) (value >> 32 | ORB_SET_NODE_ID(id)) +#define ORB_SET_STATUS_FIFO_LO(value) (value & 0xffffffff) +#define ORB_SET_DATA_SIZE(value) (value & 0xffff) +#define ORB_SET_PAGE_SIZE(value) ((value & 0x7) << 16) +#define ORB_SET_PAGE_TABLE_PRESENT(value) ((value & 0x1) << 19) +#define ORB_SET_MAX_PAYLOAD(value) ((value & 0xf) << 20) +#define ORB_SET_SPEED(value) ((value & 0x7) << 24) +#define ORB_SET_DIRECTION(value) ((value & 0x1) << 27) struct sbp2_command_orb { volatile u32 next_ORB_hi; @@ -52,15 +54,15 @@ struct sbp2_command_orb { u8 cdb[12]; }; -#define LOGIN_REQUEST 0x0 -#define QUERY_LOGINS_REQUEST 0x1 -#define RECONNECT_REQUEST 0x3 -#define SET_PASSWORD_REQUEST 0x4 -#define LOGOUT_REQUEST 0x7 -#define ABORT_TASK_REQUEST 0xb -#define ABORT_TASK_SET 0xc -#define LOGICAL_UNIT_RESET 0xe -#define TARGET_RESET_REQUEST 0xf +#define SBP2_LOGIN_REQUEST 0x0 +#define SBP2_QUERY_LOGINS_REQUEST 0x1 +#define SBP2_RECONNECT_REQUEST 0x3 +#define SBP2_SET_PASSWORD_REQUEST 0x4 +#define SBP2_LOGOUT_REQUEST 0x7 +#define SBP2_ABORT_TASK_REQUEST 0xb +#define SBP2_ABORT_TASK_SET 0xc +#define SBP2_LOGICAL_UNIT_RESET 0xe +#define SBP2_TARGET_RESET_REQUEST 0xf #define ORB_SET_LUN(value) (value & 0xffff) #define ORB_SET_FUNCTION(value) ((value & 0xf) << 16) @@ -76,8 +78,8 @@ struct sbp2_login_orb { u32 login_response_lo; u32 lun_misc; u32 passwd_resp_lengths; - u32 status_FIFO_hi; - u32 status_FIFO_lo; + u32 status_fifo_hi; + u32 status_fifo_lo; }; #define RESPONSE_GET_LOGIN_ID(value) (value & 0xffff) @@ -102,8 +104,8 @@ struct sbp2_query_logins_orb { u32 query_response_lo; u32 lun_misc; u32 reserved_resp_length; - u32 status_FIFO_hi; - u32 status_FIFO_lo; + u32 status_fifo_hi; + u32 status_fifo_lo; }; #define RESPONSE_GET_MAX_LOGINS(value) (value & 0xffff) @@ -119,23 +121,23 @@ struct sbp2_query_logins_response { struct sbp2_reconnect_orb { u32 reserved1; u32 reserved2; - u32 reserved3; - u32 reserved4; + u32 reserved3; + u32 reserved4; u32 login_ID_misc; u32 reserved5; - u32 status_FIFO_hi; - u32 status_FIFO_lo; + u32 status_fifo_hi; + u32 status_fifo_lo; }; struct sbp2_logout_orb { u32 reserved1; u32 reserved2; - u32 reserved3; - u32 reserved4; + u32 reserved3; + u32 reserved4; u32 login_ID_misc; u32 reserved5; - u32 status_FIFO_hi; - u32 status_FIFO_lo; + u32 status_fifo_hi; + u32 status_fifo_lo; }; #define PAGE_TABLE_SET_SEGMENT_BASE_HI(value) (value & 0xffff) @@ -188,37 +190,13 @@ struct sbp2_unrestricted_page_table { struct sbp2_status_block { u32 ORB_offset_hi_misc; u32 ORB_offset_lo; - u8 command_set_dependent[24]; + u8 command_set_dependent[24]; }; /* * Miscellaneous SBP2 related config rom defines */ -/* The status fifo address definition below is used as a base for each - * node, which a chunk seperately assigned to each unit directory in the - * node. For example, 0xfffe00000000ULL is used for the first sbp2 device - * detected on node 0, 0xfffe00000020ULL for the next sbp2 device on node - * 0, and so on. - * - * Note: We could use a single status fifo address for all sbp2 devices, - * and figure out which sbp2 device the status belongs to by looking at - * the source node id of the status write... but, using separate addresses - * for each sbp2 unit directory allows for better code and the ability to - * support multiple luns within a single 1394 node. - * - * Also note that we choose the address range below as it is a region - * specified for write posting, where the ohci controller will - * automatically send an ack_complete when the status is written by the - * sbp2 device... saving a split transaction. =) - */ -#define SBP2_STATUS_FIFO_ADDRESS 0xfffe00000000ULL -#define SBP2_STATUS_FIFO_ADDRESS_HI 0xfffe -#define SBP2_STATUS_FIFO_ADDRESS_LO 0x0 - -#define SBP2_STATUS_FIFO_ENTRY_TO_OFFSET(entry) ((entry) << 5) -#define SBP2_STATUS_FIFO_OFFSET_TO_ENTRY(offset) ((offset) >> 5) - #define SBP2_UNIT_DIRECTORY_OFFSET_KEY 0xd1 #define SBP2_CSR_OFFSET_KEY 0x54 #define SBP2_UNIT_SPEC_ID_KEY 0x12 @@ -229,9 +207,6 @@ struct sbp2_status_block { #define SBP2_DEVICE_TYPE_AND_LUN_KEY 0x14 #define SBP2_FIRMWARE_REVISION_KEY 0x3c -#define SBP2_DEVICE_TYPE(q) (((q) >> 16) & 0x1f) -#define SBP2_DEVICE_LUN(q) ((q) & 0xffff) - #define SBP2_AGENT_STATE_OFFSET 0x00ULL #define SBP2_AGENT_RESET_OFFSET 0x04ULL #define SBP2_ORB_POINTER_OFFSET 0x08ULL @@ -251,63 +226,20 @@ struct sbp2_status_block { #define SBP2_UNIT_SPEC_ID_ENTRY 0x0000609e #define SBP2_SW_VERSION_ENTRY 0x00010483 -/* - * Other misc defines - */ -#define SBP2_128KB_BROKEN_FIRMWARE 0xa0b800 - -#define SBP2_DEVICE_TYPE_LUN_UNINITIALIZED 0xffffffff - /* * SCSI specific stuff */ #define SBP2_MAX_SG_ELEMENT_LENGTH 0xf000 -#define SBP2_MAX_UDS_PER_NODE 16 /* Maximum scsi devices per node */ #define SBP2_MAX_SECTORS 255 /* Max sectors supported */ +#define SBP2_MAX_CMDS 8 /* This should be safe */ -#ifndef TYPE_SDAD -#define TYPE_SDAD 0x0e /* simplified direct access device */ -#endif - -/* - * SCSI direction table... - * (now used as a back-up in case the direction passed down from above is "unknown") - * - * DIN = IN data direction - * DOU = OUT data direction - * DNO = No data transfer - * DUN = Unknown data direction - * - * Opcode 0xec (Teac specific "opc execute") possibly should be DNO, - * but we'll change it when somebody reports a problem with this. - */ -#define DIN ORB_DIRECTION_READ_FROM_MEDIA -#define DOU ORB_DIRECTION_WRITE_TO_MEDIA -#define DNO ORB_DIRECTION_NO_DATA_TRANSFER -#define DUN DIN - -static unchar sbp2scsi_direction_table[0x100] = { - DNO,DNO,DIN,DIN,DOU,DIN,DIN,DOU,DIN,DUN,DOU,DOU,DUN,DUN,DUN,DIN, - DNO,DIN,DIN,DOU,DIN,DOU,DNO,DNO,DOU,DNO,DIN,DNO,DIN,DOU,DNO,DUN, - DIN,DUN,DIN,DIN,DOU,DIN,DUN,DUN,DIN,DIN,DOU,DNO,DUN,DIN,DOU,DOU, - DOU,DOU,DOU,DNO,DIN,DNO,DNO,DIN,DOU,DOU,DOU,DOU,DIN,DOU,DIN,DOU, - DOU,DOU,DIN,DIN,DIN,DNO,DIN,DNO,DNO,DNO,DUN,DNO,DOU,DIN,DNO,DUN, - DUN,DIN,DIN,DNO,DNO,DOU,DUN,DUN,DNO,DIN,DIN,DNO,DIN,DOU,DUN,DUN, - DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, - DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, - DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, - DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, - DUN,DNO,DOU,DOU,DIN,DNO,DNO,DNO,DIN,DNO,DOU,DUN,DNO,DIN,DOU,DOU, - DOU,DOU,DOU,DNO,DUN,DIN,DOU,DIN,DIN,DIN,DNO,DNO,DNO,DIN,DIN,DUN, - DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, - DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, - DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DOU,DUN,DUN,DUN,DUN,DUN, - DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN -}; - -/* This should be safe */ -#define SBP2_MAX_CMDS 8 +/* Flags for detected oddities and brokeness */ +#define SBP2_WORKAROUND_128K_MAX_TRANS 0x1 +#define SBP2_WORKAROUND_INQUIRY_36 0x2 +#define SBP2_WORKAROUND_MODE_SENSE_8 0x4 +#define SBP2_WORKAROUND_FIX_CAPACITY 0x8 +#define SBP2_WORKAROUND_OVERRIDE 0x100 /* This is the two dma types we use for cmd_dma below */ enum cmd_dma_types { @@ -324,8 +256,8 @@ struct sbp2_command_info { struct list_head list; struct sbp2_command_orb command_orb ____cacheline_aligned; dma_addr_t command_orb_dma ____cacheline_aligned; - Scsi_Cmnd *Current_SCpnt; - void (*Current_done)(Scsi_Cmnd *); + struct scsi_cmnd *Current_SCpnt; + void (*Current_done)(struct scsi_cmnd *); /* Also need s/g structure for each sbp2 command */ struct sbp2_unrestricted_page_table scatter_gather_element[SG_ALL] ____cacheline_aligned; @@ -338,14 +270,8 @@ struct sbp2_command_info { }; -/* A list of flags for detected oddities and brokeness. */ -#define SBP2_BREAKAGE_128K_MAX_TRANSFER 0x1 -#define SBP2_BREAKAGE_INQUIRY_HACK 0x2 - - struct sbp2scsi_host_info; - /* * Information needed on a per scsi id basis (one for each sbp2 device) */ @@ -383,9 +309,14 @@ struct scsi_id_instance_data { u32 sbp2_command_set_spec_id; u32 sbp2_command_set; u32 sbp2_unit_characteristics; - u32 sbp2_device_type_and_lun; + u32 sbp2_lun; u32 sbp2_firmware_revision; + /* + * Address for the device to write status blocks to + */ + u64 status_fifo_addr; + /* * Variable used for logins, reconnects, logouts, query logins */ @@ -412,10 +343,9 @@ struct scsi_id_instance_data { struct Scsi_Host *scsi_host; /* Device specific workarounds/brokeness */ - u32 workarounds; + unsigned workarounds; }; - /* Sbp2 host data structure (one per IEEE1394 host) */ struct sbp2scsi_host_info { struct hpsb_host *host; /* IEEE1394 host */ @@ -434,8 +364,8 @@ static void sbp2util_remove_command_orb_pool(struct scsi_id_instance_data *scsi_ static struct sbp2_command_info *sbp2util_find_command_for_orb(struct scsi_id_instance_data *scsi_id, dma_addr_t orb); static struct sbp2_command_info *sbp2util_find_command_for_SCpnt(struct scsi_id_instance_data *scsi_id, void *SCpnt); static struct sbp2_command_info *sbp2util_allocate_command_orb(struct scsi_id_instance_data *scsi_id, - Scsi_Cmnd *Current_SCpnt, - void (*Current_done)(Scsi_Cmnd *)); + struct scsi_cmnd *Current_SCpnt, + void (*Current_done)(struct scsi_cmnd *)); static void sbp2util_mark_command_completed(struct scsi_id_instance_data *scsi_id, struct sbp2_command_info *command); @@ -460,20 +390,14 @@ static int sbp2_logout_device(struct scsi_id_instance_data *scsi_id); static int sbp2_handle_status_write(struct hpsb_host *host, int nodeid, int destid, quadlet_t *data, u64 addr, size_t length, u16 flags); static int sbp2_agent_reset(struct scsi_id_instance_data *scsi_id, int wait); -static int sbp2_create_command_orb(struct scsi_id_instance_data *scsi_id, - struct sbp2_command_info *command, - unchar *scsi_cmd, - unsigned int scsi_use_sg, - unsigned int scsi_request_bufflen, - void *scsi_request_buffer, - unsigned char scsi_dir); static int sbp2_link_orb_command(struct scsi_id_instance_data *scsi_id, struct sbp2_command_info *command); static int sbp2_send_command(struct scsi_id_instance_data *scsi_id, - Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)); + struct scsi_cmnd *SCpnt, + void (*done)(struct scsi_cmnd *)); static unsigned int sbp2_status_to_sense_data(unchar *sbp2_status, unchar *sense_data); -static void sbp2_check_sbp2_command(struct scsi_id_instance_data *scsi_id, unchar *cmd); -static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id, Scsi_Cmnd *SCpnt); +static void sbp2_check_sbp2_response(struct scsi_id_instance_data *scsi_id, + struct scsi_cmnd *SCpnt); static void sbp2_parse_unit_directory(struct scsi_id_instance_data *scsi_id, struct unit_directory *ud); static int sbp2_set_busy_timeout(struct scsi_id_instance_data *scsi_id);