ibmtr.h
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上传日期:2013-04-10
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- #ifndef __LINUX_IBMTR_H__
- #define __LINUX_IBMTR_H__
- /* Definitions for an IBM Token Ring card. */
- /* This file is distributed under the GNU GPL */
- /* ported to the Alpha architecture 02/20/96 (just used the HZ macro) */
- #define TR_RETRY_INTERVAL (30*HZ) /* 500 on PC = 5 s */
- #define TR_RST_TIME (HZ/20) /* 5 on PC = 50 ms */
- #define TR_BUSY_INTERVAL (HZ/5) /* 5 on PC = 200 ms */
- #define TR_SPIN_INTERVAL (3*HZ) /* 3 seconds before init timeout */
- #define TR_ISA 1
- #define TR_MCA 2
- #define TR_ISAPNP 3
- #define NOTOK 0
- #define IBMTR_SHARED_RAM_SIZE 0x10000
- #define IBMTR_IO_EXTENT 4
- #define IBMTR_MAX_ADAPTERS 4
- #define CHANNEL_ID 0X1F30
- #define AIP 0X1F00
- #define AIPADAPTYPE 0X1FA0
- #define AIPDATARATE 0X1FA2
- #define AIPEARLYTOKEN 0X1FA4
- #define AIPAVAILSHRAM 0X1FA6
- #define AIPSHRAMPAGE 0X1FA8
- #define AIP4MBDHB 0X1FAA
- #define AIP16MBDHB 0X1FAC
- #define AIPFID 0X1FBA
- #define ADAPTRESET 0x1 /* Control Adapter reset (add to base) */
- #define ADAPTRESETREL 0x2 /* Release Adapter from reset ( """) */
- #define ADAPTINTREL 0x3 /* Adapter interrupt release */
- #define GLOBAL_INT_ENABLE 0x02f0
- /* MMIO bits 0-4 select register */
- #define RRR_EVEN 0x00 /* Shared RAM relocation registers - even and odd */
- /* Used to set the starting address of shared RAM */
- /* Bits 1 through 7 of this register map to bits 13 through 19 of the shared
- RAM address.*/
- /* ie: 0x02 sets RAM address to ...ato! issy su wazzoo !! GODZILLA!!! */
- #define RRR_ODD 0x01
- /* Bits 2 and 3 of this register can be read to determine shared RAM size */
- /* 00 for 8k, 01 for 16k, 10 for 32k, 11 for 64k */
- #define WRBR_EVEN 0x02 /* Write region base registers - even and odd */
- #define WRBR_ODD 0x03
- #define WWOR_EVEN 0x04 /* Write window open registers - even and odd */
- #define WWOR_ODD 0x05
- #define WWCR_EVEN 0x06 /* Write window close registers - even and odd */
- #define WWCR_ODD 0x07
- /* Interrupt status registers - PC system - even and odd */
- #define ISRP_EVEN 0x08
- #define TCR_INT 0x10 /* Bit 4 - Timer interrupt. The TVR_EVEN timer has
- expired. */
- #define ERR_INT 0x08 /* Bit 3 - Error interrupt. The adapter has had an
- internal error. */
- #define ACCESS_INT 0x04 /* Bit 2 - Access interrupt. You have attempted to
- write to an invalid area of shared RAM
- or an invalid register within the MMIO. */
- /* In addition, the following bits within ISRP_EVEN can be turned on or off */
- /* by you to control the interrupt processing: */
- #define INT_ENABLE 0x40 /* Bit 6 - Interrupt enable. If 0, no interrupts will
- occur. If 1, interrupts will occur normally.
- Normally set to 1. */
- /* Bit 0 - Primary or alternate adapter. Set to zero if this adapter is the
- primary adapter, 1 if this adapter is the alternate adapter. */
- #define ISRP_ODD 0x09
- #define ADAP_CHK_INT 0x40 /* Bit 6 - Adapter check. the adapter has
- encountered a serious problem and has closed
- itself. Whoa. */
- #define SRB_RESP_INT 0x20 /* Bit 5 - SRB response. The adapter has accepted
- an SRB request and set the return code within
- the SRB. */
- #define ASB_FREE_INT 0x10 /* Bit 4 - ASB free. The adapter has read the ASB
- and this area can be safely reused. This interrupt
- is only used if your application has set the ASB
- free request bit in ISRA_ODD or if an error was
- detected in your response. */
- #define ARB_CMD_INT 0x08 /* Bit 3 - ARB command. The adapter has given you a
- command for action. The command is located in the
- ARB area of shared memory. */
- #define SSB_RESP_INT 0x04 /* Bit 2 - SSB response. The adapter has posted a
- response to your SRB (the response is located in
- the SSB area of shared memory). */
- /* Bit 1 - Bridge frame forward complete. */
- #define ISRA_EVEN 0x0A /*Interrupt status registers - adapter - even and odd */
- /* Bit 7 - Internal parity error (on adapter's internal bus) */
- /* Bit 6 - Timer interrupt pending */
- /* Bit 5 - Access interrupt (attempt by adapter to access illegal address) */
- /* Bit 4 - Adapter microcode problem (microcode dead-man timer expired) */
- /* Bit 3 - Adapter processor check status */
- /* Bit 2 - Reserved */
- /* Bit 1 - Adapter hardware interrupt mask (prevents internal interrupts) */
- /* Bit 0 - Adapter software interrupt mask (prevents internal software ints) */
- #define ISRA_ODD 0x0B
- #define CMD_IN_SRB 0x20 /* Bit 5 - Indicates that you have placed a new
- command in the SRB and are ready for the adapter to
- process the command. */
- #define RESP_IN_ASB 0x10 /* Bit 4 - Indicates that you have placed a response
- (an ASB) in the shared RAM which is available for
- the adapter's use. */
- /* Bit 3 - Indicates that you are ready to put an SRB in the shared RAM, but
- that a previous command is still pending. The adapter will then
- interrupt you when the previous command is completed */
- /* Bit 2 - Indicates that you are ready to put an ASB in the shared RAM, but
- that a previous ASB is still pending. The adapter will then interrupt
- you when the previous ASB is copied. */
- #define ARB_FREE 0x2
- #define SSB_FREE 0x1
- #define TCR_EVEN 0x0C /* Timer control registers - even and odd */
- #define TCR_ODD 0x0D
- #define TVR_EVEN 0x0E /* Timer value registers - even and odd */
- #define TVR_ODD 0x0F
- #define SRPR_EVEN 0x18 /* Shared RAM paging registers - even and odd */
- #define SRPR_ENABLE_PAGING 0xc0
- #define SRPR_ODD 0x19 /* Not used. */
- #define TOKREAD 0x60
- #define TOKOR 0x40
- #define TOKAND 0x20
- #define TOKWRITE 0x00
- /* MMIO bits 5-6 select operation */
- /* 00 is used to write to a register */
- /* 01 is used to bitwise AND a byte with a register */
- /* 10 is used to bitwise OR a byte with a register */
- /* 11 is used to read from a register */
- /* MMIO bits 7-8 select area of interest.. see below */
- /* 00 selects attachment control area. */
- /* 01 is reserved. */
- /* 10 selects adapter identification area A containing the adapter encoded
- address. */
- /* 11 selects the adapter identification area B containing test patterns. */
- #define PCCHANNELID 5049434F3631313039393020
- #define MCCHANNELID 4D4152533633583435313820
- #define ACA_OFFSET 0x1e00
- #define ACA_SET 0x40
- #define ACA_RESET 0x20
- #define ACA_RW 0x00
- #ifdef ENABLE_PAGING
- #define SET_PAGE(x) (writeb((x), ti->mmio + ACA_OFFSET+ ACA_RW + SRPR_EVEN))
- #else
- #define SET_PAGE(x)
- #endif
- /* do_tok_int possible values */
- #define FIRST_INT 1
- #define NOT_FIRST 2
- typedef enum { CLOSED, OPEN } open_state;
- //staic const char *printstate[] = { "CLOSED","OPEN"};
- struct tok_info {
- unsigned char irq;
- void *mmio;
- unsigned char hw_address[32];
- unsigned char adapter_type;
- unsigned char data_rate;
- unsigned char token_release;
- unsigned char avail_shared_ram;
- unsigned char shared_ram_paging;
- unsigned char turbo;
- unsigned short dhb_size4mb;
- unsigned short rbuf_len4;
- unsigned short rbuf_cnt4;
- unsigned short maxmtu4;
- unsigned short dhb_size16mb;
- unsigned short rbuf_len16;
- unsigned short rbuf_cnt16;
- unsigned short maxmtu16;
- /* Additions by David Morris */
- unsigned char do_tok_int;
- wait_queue_head_t wait_for_reset;
- unsigned char sram_base;
- /* Additions by Peter De Schrijver */
- unsigned char page_mask; /* mask to select RAM page to Map*/
- unsigned char mapped_ram_size; /* size of RAM page */
- __u32 sram_virt; /* Shared memory base address */
- __u32 init_srb; /* Initial System Request Block address */
- __u32 srb; /* System Request Block address */
- __u32 ssb; /* System Status Block address */
- __u32 arb; /* Adapter Request Block address */
- __u32 asb; /* Adapter Status Block address */
- __u8 init_srb_page;
- __u8 srb_page;
- __u8 ssb_page;
- __u8 arb_page;
- __u8 asb_page;
- unsigned short exsap_station_id;
- unsigned short global_int_enable;
- struct sk_buff *current_skb;
- struct net_device_stats tr_stats;
- unsigned char auto_speedsave;
- open_state open_status, sap_status;
- enum {MANUAL, AUTOMATIC} open_mode;
- enum {FAIL, RESTART, REOPEN} open_action;
- enum {NO, YES} open_failure;
- unsigned char readlog_pending;
- unsigned short adapter_int_enable; /* Adapter-specific int enable */
- struct timer_list tr_timer;
- unsigned char ring_speed;
- spinlock_t lock; /* SMP protection */
- };
- /* token ring adapter commands */
- #define DIR_INTERRUPT 0x00 /* struct srb_interrupt */
- #define DIR_MOD_OPEN_PARAMS 0x01
- #define DIR_OPEN_ADAPTER 0x03 /* struct dir_open_adapter */
- #define DIR_CLOSE_ADAPTER 0x04
- #define DIR_SET_GRP_ADDR 0x06
- #define DIR_SET_FUNC_ADDR 0x07 /* struct srb_set_funct_addr */
- #define DIR_READ_LOG 0x08 /* struct srb_read_log */
- #define DLC_OPEN_SAP 0x15 /* struct dlc_open_sap */
- #define DLC_CLOSE_SAP 0x16
- #define DATA_LOST 0x20 /* struct asb_rec */
- #define REC_DATA 0x81 /* struct arb_rec_req */
- #define XMIT_DATA_REQ 0x82 /* struct arb_xmit_req */
- #define DLC_STATUS 0x83 /* struct arb_dlc_status */
- #define RING_STAT_CHANGE 0x84 /* struct dlc_open_sap ??? */
- /* DIR_OPEN_ADAPTER options */
- #define OPEN_PASS_BCON_MAC 0x0100
- #define NUM_RCV_BUF 2
- #define RCV_BUF_LEN 1024
- #define DHB_LENGTH 2048
- #define NUM_DHB 2
- #define DLC_MAX_SAP 2
- #define DLC_MAX_STA 1
- /* DLC_OPEN_SAP options */
- #define MAX_I_FIELD 0x0088
- #define SAP_OPEN_IND_SAP 0x04
- #define SAP_OPEN_PRIORITY 0x20
- #define SAP_OPEN_STATION_CNT 0x1
- #define XMIT_DIR_FRAME 0x0A
- #define XMIT_UI_FRAME 0x0d
- #define XMIT_XID_CMD 0x0e
- #define XMIT_TEST_CMD 0x11
- /* srb close return code */
- #define SIGNAL_LOSS 0x8000
- #define HARD_ERROR 0x4000
- #define XMIT_BEACON 0x1000
- #define LOBE_FAULT 0x0800
- #define AUTO_REMOVAL 0x0400
- #define REMOVE_RECV 0x0100
- #define LOG_OVERFLOW 0x0080
- #define RING_RECOVER 0x0020
- struct srb_init_response {
- unsigned char command;
- unsigned char init_status;
- unsigned char init_status_2;
- unsigned char reserved[3];
- __u16 bring_up_code;
- __u16 encoded_address;
- __u16 level_address;
- __u16 adapter_address;
- __u16 parms_address;
- __u16 mac_address;
- };
- struct dir_open_adapter {
- unsigned char command;
- char reserved[7];
- __u16 open_options;
- unsigned char node_address[6];
- unsigned char group_address[4];
- unsigned char funct_address[4];
- __u16 num_rcv_buf;
- __u16 rcv_buf_len;
- __u16 dhb_length;
- unsigned char num_dhb;
- char reserved2;
- unsigned char dlc_max_sap;
- unsigned char dlc_max_sta;
- unsigned char dlc_max_gsap;
- unsigned char dlc_max_gmem;
- unsigned char dlc_t1_tick_1;
- unsigned char dlc_t2_tick_1;
- unsigned char dlc_ti_tick_1;
- unsigned char dlc_t1_tick_2;
- unsigned char dlc_t2_tick_2;
- unsigned char dlc_ti_tick_2;
- unsigned char product_id[18];
- };
- struct dlc_open_sap {
- unsigned char command;
- unsigned char reserved1;
- unsigned char ret_code;
- unsigned char reserved2;
- __u16 station_id;
- unsigned char timer_t1;
- unsigned char timer_t2;
- unsigned char timer_ti;
- unsigned char maxout;
- unsigned char maxin;
- unsigned char maxout_incr;
- unsigned char max_retry_count;
- unsigned char gsap_max_mem;
- __u16 max_i_field;
- unsigned char sap_value;
- unsigned char sap_options;
- unsigned char station_count;
- unsigned char sap_gsap_mem;
- unsigned char gsap[0];
- };
- struct srb_xmit {
- unsigned char command;
- unsigned char cmd_corr;
- unsigned char ret_code;
- unsigned char reserved1;
- __u16 station_id;
- };
- struct arb_rec_req {
- unsigned char command;
- unsigned char reserved1[3];
- __u16 station_id;
- __u16 rec_buf_addr;
- unsigned char lan_hdr_len;
- unsigned char dlc_hdr_len;
- __u16 frame_len;
- unsigned char msg_type;
- };
- struct asb_rec {
- unsigned char command;
- unsigned char reserved1;
- unsigned char ret_code;
- unsigned char reserved2;
- __u16 station_id;
- __u16 rec_buf_addr;
- };
- struct rec_buf {
- unsigned char reserved1[2];
- __u16 buf_ptr;
- unsigned char reserved2;
- unsigned char receive_fs;
- __u16 buf_len;
- unsigned char data[0];
- };
- struct srb_set_funct_addr {
- unsigned char command;
- unsigned char reserved1;
- unsigned char ret_code;
- unsigned char reserved2[3];
- unsigned char funct_address[4];
- };
- #endif