diff options
Diffstat (limited to 'drivers/s390/net/claw.h')
| -rw-r--r-- | drivers/s390/net/claw.h | 348 |
1 files changed, 0 insertions, 348 deletions
diff --git a/drivers/s390/net/claw.h b/drivers/s390/net/claw.h deleted file mode 100644 index 3339b9b607b3..000000000000 --- a/drivers/s390/net/claw.h +++ /dev/null @@ -1,348 +0,0 @@ -/******************************************************* -* Define constants * -* * -********************************************************/ - -/*-----------------------------------------------------* -* CCW command codes for CLAW protocol * -*------------------------------------------------------*/ - -#define CCW_CLAW_CMD_WRITE 0x01 /* write - not including link */ -#define CCW_CLAW_CMD_READ 0x02 /* read */ -#define CCW_CLAW_CMD_NOP 0x03 /* NOP */ -#define CCW_CLAW_CMD_SENSE 0x04 /* Sense */ -#define CCW_CLAW_CMD_SIGNAL_SMOD 0x05 /* Signal Status Modifier */ -#define CCW_CLAW_CMD_TIC 0x08 /* TIC */ -#define CCW_CLAW_CMD_READHEADER 0x12 /* read header data */ -#define CCW_CLAW_CMD_READFF 0x22 /* read an FF */ -#define CCW_CLAW_CMD_SENSEID 0xe4 /* Sense ID */ - - -/*-----------------------------------------------------* -* CLAW Unique constants * -*------------------------------------------------------*/ - -#define MORE_to_COME_FLAG 0x04 /* OR with write CCW in case of m-t-c */ -#define CLAW_IDLE 0x00 /* flag to indicate CLAW is idle */ -#define CLAW_BUSY 0xff /* flag to indicate CLAW is busy */ -#define CLAW_PENDING 0x00 /* flag to indicate i/o is pending */ -#define CLAW_COMPLETE 0xff /* flag to indicate i/o completed */ - -/*-----------------------------------------------------* -* CLAW control command code * -*------------------------------------------------------*/ - -#define SYSTEM_VALIDATE_REQUEST 0x01 /* System Validate request */ -#define SYSTEM_VALIDATE_RESPONSE 0x02 /* System Validate response */ -#define CONNECTION_REQUEST 0x21 /* Connection request */ -#define CONNECTION_RESPONSE 0x22 /* Connection response */ -#define CONNECTION_CONFIRM 0x23 /* Connection confirm */ -#define DISCONNECT 0x24 /* Disconnect */ -#define CLAW_ERROR 0x41 /* CLAW error message */ -#define CLAW_VERSION_ID 2 /* CLAW version ID */ - -/*-----------------------------------------------------* -* CLAW adater sense bytes * -*------------------------------------------------------*/ - -#define CLAW_ADAPTER_SENSE_BYTE 0x41 /* Stop command issued to adapter */ - -/*-----------------------------------------------------* -* CLAW control command return codes * -*------------------------------------------------------*/ - -#define CLAW_RC_NAME_MISMATCH 166 /* names do not match */ -#define CLAW_RC_WRONG_VERSION 167 /* wrong CLAW version number */ -#define CLAW_RC_HOST_RCV_TOO_SMALL 180 /* Host maximum receive is */ - /* less than Linux on zSeries*/ - /* transmit size */ - -/*-----------------------------------------------------* -* CLAW Constants application name * -*------------------------------------------------------*/ - -#define HOST_APPL_NAME "TCPIP " -#define WS_APPL_NAME_IP_LINK "TCPIP " -#define WS_APPL_NAME_IP_NAME "IP " -#define WS_APPL_NAME_API_LINK "API " -#define WS_APPL_NAME_PACKED "PACKED " -#define WS_NAME_NOT_DEF "NOT_DEF " -#define PACKING_ASK 1 -#define PACK_SEND 2 -#define DO_PACKED 3 - -#define MAX_ENVELOPE_SIZE 65536 -#define CLAW_DEFAULT_MTU_SIZE 4096 -#define DEF_PACK_BUFSIZE 32768 -#define READ_CHANNEL 0 -#define WRITE_CHANNEL 1 - -#define TB_TX 0 /* sk buffer handling in process */ -#define TB_STOP 1 /* network device stop in process */ -#define TB_RETRY 2 /* retry in process */ -#define TB_NOBUFFER 3 /* no buffer on free queue */ -#define CLAW_MAX_LINK_ID 1 -#define CLAW_MAX_DEV 256 /* max claw devices */ -#define MAX_NAME_LEN 8 /* host name, adapter name length */ -#define CLAW_FRAME_SIZE 4096 -#define CLAW_ID_SIZE 20+3 - -/* state machine codes used in claw_irq_handler */ - -#define CLAW_STOP 0 -#define CLAW_START_HALT_IO 1 -#define CLAW_START_SENSEID 2 -#define CLAW_START_READ 3 -#define CLAW_START_WRITE 4 - -/*-----------------------------------------------------* -* Lock flag * -*------------------------------------------------------*/ -#define LOCK_YES 0 -#define LOCK_NO 1 - -/*-----------------------------------------------------* -* DBF Debug macros * -*------------------------------------------------------*/ -#define CLAW_DBF_TEXT(level, name, text) \ - do { \ - debug_text_event(claw_dbf_##name, level, text); \ - } while (0) - -#define CLAW_DBF_HEX(level,name,addr,len) \ -do { \ - debug_event(claw_dbf_##name,level,(void*)(addr),len); \ -} while (0) - -#define CLAW_DBF_TEXT_(level,name,text...) \ - do { \ - if (debug_level_enabled(claw_dbf_##name, level)) { \ - sprintf(debug_buffer, text); \ - debug_text_event(claw_dbf_##name, level, \ - debug_buffer); \ - } \ - } while (0) - -/** - * Enum for classifying detected devices. - */ -enum claw_channel_types { - /* Device is not a channel */ - claw_channel_type_none, - - /* Device is a CLAW channel device */ - claw_channel_type_claw -}; - - -/******************************************************* -* Define Control Blocks * -* * -********************************************************/ - -/*------------------------------------------------------*/ -/* CLAW header */ -/*------------------------------------------------------*/ - -struct clawh { - __u16 length; /* length of data read by preceding read CCW */ - __u8 opcode; /* equivalent read CCW */ - __u8 flag; /* flag of FF to indicate read was completed */ -}; - -/*------------------------------------------------------*/ -/* CLAW Packing header 4 bytes */ -/*------------------------------------------------------*/ -struct clawph { - __u16 len; /* Length of Packed Data Area */ - __u8 flag; /* Reserved not used */ - __u8 link_num; /* Link ID */ -}; - -/*------------------------------------------------------*/ -/* CLAW Ending struct ccwbk */ -/*------------------------------------------------------*/ -struct endccw { - __u32 real; /* real address of this block */ - __u8 write1; /* write 1 is active */ - __u8 read1; /* read 1 is active */ - __u16 reserved; /* reserved for future use */ - struct ccw1 write1_nop1; - struct ccw1 write1_nop2; - struct ccw1 write2_nop1; - struct ccw1 write2_nop2; - struct ccw1 read1_nop1; - struct ccw1 read1_nop2; - struct ccw1 read2_nop1; - struct ccw1 read2_nop2; -}; - -/*------------------------------------------------------*/ -/* CLAW struct ccwbk */ -/*------------------------------------------------------*/ -struct ccwbk { - void *next; /* pointer to next ccw block */ - __u32 real; /* real address of this ccw */ - void *p_buffer; /* virtual address of data */ - struct clawh header; /* claw header */ - struct ccw1 write; /* write CCW */ - struct ccw1 w_read_FF; /* read FF */ - struct ccw1 w_TIC_1; /* TIC */ - struct ccw1 read; /* read CCW */ - struct ccw1 read_h; /* read header */ - struct ccw1 signal; /* signal SMOD */ - struct ccw1 r_TIC_1; /* TIC1 */ - struct ccw1 r_read_FF; /* read FF */ - struct ccw1 r_TIC_2; /* TIC2 */ -}; - -/*------------------------------------------------------*/ -/* CLAW control block */ -/*------------------------------------------------------*/ -struct clawctl { - __u8 command; /* control command */ - __u8 version; /* CLAW protocol version */ - __u8 linkid; /* link ID */ - __u8 correlator; /* correlator */ - __u8 rc; /* return code */ - __u8 reserved1; /* reserved */ - __u8 reserved2; /* reserved */ - __u8 reserved3; /* reserved */ - __u8 data[24]; /* command specific fields */ -}; - -/*------------------------------------------------------*/ -/* Data for SYSTEMVALIDATE command */ -/*------------------------------------------------------*/ -struct sysval { - char WS_name[8]; /* Workstation System name */ - char host_name[8]; /* Host system name */ - __u16 read_frame_size; /* read frame size */ - __u16 write_frame_size; /* write frame size */ - __u8 reserved[4]; /* reserved */ -}; - -/*------------------------------------------------------*/ -/* Data for Connect command */ -/*------------------------------------------------------*/ -struct conncmd { - char WS_name[8]; /* Workstation application name */ - char host_name[8]; /* Host application name */ - __u16 reserved1[2]; /* read frame size */ - __u8 reserved2[4]; /* reserved */ -}; - -/*------------------------------------------------------*/ -/* Data for CLAW error */ -/*------------------------------------------------------*/ -struct clawwerror { - char reserved1[8]; /* reserved */ - char reserved2[8]; /* reserved */ - char reserved3[8]; /* reserved */ -}; - -/*------------------------------------------------------*/ -/* Data buffer for CLAW */ -/*------------------------------------------------------*/ -struct clawbuf { - char buffer[MAX_ENVELOPE_SIZE]; /* data buffer */ -}; - -/*------------------------------------------------------*/ -/* Channel control block for read and write channel */ -/*------------------------------------------------------*/ - -struct chbk { - unsigned int devno; - int irq; - char id[CLAW_ID_SIZE]; - __u32 IO_active; - __u8 claw_state; - struct irb *irb; - struct ccw_device *cdev; /* pointer to the channel device */ - struct net_device *ndev; - wait_queue_head_t wait; - struct tasklet_struct tasklet; - struct timer_list timer; - unsigned long flag_a; /* atomic flags */ -#define CLAW_BH_ACTIVE 0 - unsigned long flag_b; /* atomic flags */ -#define CLAW_WRITE_ACTIVE 0 - __u8 last_dstat; - __u8 flag; - struct sk_buff_head collect_queue; - spinlock_t collect_lock; -#define CLAW_WRITE 0x02 /* - Set if this is a write channel */ -#define CLAW_READ 0x01 /* - Set if this is a read channel */ -#define CLAW_TIMER 0x80 /* - Set if timer made the wake_up */ -}; - -/*--------------------------------------------------------------* -* CLAW environment block * -*---------------------------------------------------------------*/ - -struct claw_env { - unsigned int devno[2]; /* device number */ - char host_name[9]; /* Host name */ - char adapter_name [9]; /* adapter name */ - char api_type[9]; /* TCPIP, API or PACKED */ - void *p_priv; /* privptr */ - __u16 read_buffers; /* read buffer number */ - __u16 write_buffers; /* write buffer number */ - __u16 read_size; /* read buffer size */ - __u16 write_size; /* write buffer size */ - __u16 dev_id; /* device ident */ - __u8 packing; /* are we packing? */ - __u8 in_use; /* device active flag */ - struct net_device *ndev; /* backward ptr to the net dev*/ -}; - -/*--------------------------------------------------------------* -* CLAW main control block * -*---------------------------------------------------------------*/ - -struct claw_privbk { - void *p_buff_ccw; - __u32 p_buff_ccw_num; - void *p_buff_read; - __u32 p_buff_read_num; - __u32 p_buff_pages_perread; - void *p_buff_write; - __u32 p_buff_write_num; - __u32 p_buff_pages_perwrite; - long active_link_ID; /* Active logical link ID */ - struct ccwbk *p_write_free_chain; /* pointer to free ccw chain */ - struct ccwbk *p_write_active_first; /* ptr to the first write ccw */ - struct ccwbk *p_write_active_last; /* ptr to the last write ccw */ - struct ccwbk *p_read_active_first; /* ptr to the first read ccw */ - struct ccwbk *p_read_active_last; /* ptr to the last read ccw */ - struct endccw *p_end_ccw; /*ptr to ending ccw */ - struct ccwbk *p_claw_signal_blk; /* ptr to signal block */ - __u32 write_free_count; /* number of free bufs for write */ - struct net_device_stats stats; /* device status */ - struct chbk channel[2]; /* Channel control blocks */ - __u8 mtc_skipping; - int mtc_offset; - int mtc_logical_link; - void *p_mtc_envelope; - struct sk_buff *pk_skb; /* packing buffer */ - int pk_cnt; - struct clawctl ctl_bk; - struct claw_env *p_env; - __u8 system_validate_comp; - __u8 release_pend; - __u8 checksum_received_ip_pkts; - __u8 buffs_alloc; - struct endccw end_ccw; - unsigned long tbusy; - -}; - - -/************************************************************/ -/* define global constants */ -/************************************************************/ - -#define CCWBK_SIZE sizeof(struct ccwbk) - - |