| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds | 1988 | 97.79% | 1 | 14.29% |
| James Bottomley | 28 | 1.38% | 1 | 14.29% |
| Matthew Wilcox | 8 | 0.39% | 3 | 42.86% |
| Matt Domsch | 7 | 0.34% | 1 | 14.29% |
| Thomas Gleixner | 2 | 0.10% | 1 | 14.29% |
| Total | 2033 | 7 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Device driver for the SYMBIOS/LSILOGIC 53C8XX and 53C1010 family * of PCI-SCSI IO processors. * * Copyright (C) 1999-2001 Gerard Roudier <groudier@free.fr> * * This driver is derived from the Linux sym53c8xx driver. * Copyright (C) 1998-2000 Gerard Roudier * * The sym53c8xx driver is derived from the ncr53c8xx driver that had been * a port of the FreeBSD ncr driver to Linux-1.2.13. * * The original ncr driver has been written for 386bsd and FreeBSD by * Wolfgang Stanglmeier <wolf@cologne.de> * Stefan Esser <se@mi.Uni-Koeln.de> * Copyright (C) 1994 Wolfgang Stanglmeier * * Other major contributions: * * NVRAM detection and reading. * Copyright (C) 1997 Richard Waltham <dormouse@farsrobt.demon.co.uk> * *----------------------------------------------------------------------------- */ #ifndef SYM_DEFS_H #define SYM_DEFS_H #define SYM_VERSION "2.2.3" #define SYM_DRIVER_NAME "sym-" SYM_VERSION /* * SYM53C8XX device features descriptor. */ struct sym_chip { u_short device_id; u_short revision_id; char *name; u_char burst_max; /* log-base-2 of max burst */ u_char offset_max; u_char nr_divisor; u_char lp_probe_bit; u_int features; #define FE_LED0 (1<<0) #define FE_WIDE (1<<1) /* Wide data transfers */ #define FE_ULTRA (1<<2) /* Ultra speed 20Mtrans/sec */ #define FE_ULTRA2 (1<<3) /* Ultra 2 - 40 Mtrans/sec */ #define FE_DBLR (1<<4) /* Clock doubler present */ #define FE_QUAD (1<<5) /* Clock quadrupler present */ #define FE_ERL (1<<6) /* Enable read line */ #define FE_CLSE (1<<7) /* Cache line size enable */ #define FE_WRIE (1<<8) /* Write & Invalidate enable */ #define FE_ERMP (1<<9) /* Enable read multiple */ #define FE_BOF (1<<10) /* Burst opcode fetch */ #define FE_DFS (1<<11) /* DMA fifo size */ #define FE_PFEN (1<<12) /* Prefetch enable */ #define FE_LDSTR (1<<13) /* Load/Store supported */ #define FE_RAM (1<<14) /* On chip RAM present */ #define FE_VARCLK (1<<15) /* Clock frequency may vary */ #define FE_RAM8K (1<<16) /* On chip RAM sized 8Kb */ #define FE_64BIT (1<<17) /* 64-bit PCI BUS interface */ #define FE_IO256 (1<<18) /* Requires full 256 bytes in PCI space */ #define FE_NOPM (1<<19) /* Scripts handles phase mismatch */ #define FE_LEDC (1<<20) /* Hardware control of LED */ #define FE_ULTRA3 (1<<21) /* Ultra 3 - 80 Mtrans/sec DT */ #define FE_66MHZ (1<<22) /* 66MHz PCI support */ #define FE_CRC (1<<23) /* CRC support */ #define FE_DIFF (1<<24) /* SCSI HVD support */ #define FE_DFBC (1<<25) /* Have DFBC register */ #define FE_LCKFRQ (1<<26) /* Have LCKFRQ */ #define FE_C10 (1<<27) /* Various C10 core (mis)features */ #define FE_U3EN (1<<28) /* U3EN bit usable */ #define FE_DAC (1<<29) /* Support PCI DAC (64 bit addressing) */ #define FE_ISTAT1 (1<<30) /* Have ISTAT1, MBOX0, MBOX1 registers */ #define FE_CACHE_SET (FE_ERL|FE_CLSE|FE_WRIE|FE_ERMP) #define FE_CACHE0_SET (FE_CACHE_SET & ~FE_ERL) }; /* * SYM53C8XX IO register data structure. */ struct sym_reg { /*00*/ u8 nc_scntl0; /* full arb., ena parity, par->ATN */ /*01*/ u8 nc_scntl1; /* no reset */ #define ISCON 0x10 /* connected to scsi */ #define CRST 0x08 /* force reset */ #define IARB 0x02 /* immediate arbitration */ /*02*/ u8 nc_scntl2; /* no disconnect expected */ #define SDU 0x80 /* cmd: disconnect will raise error */ #define CHM 0x40 /* sta: chained mode */ #define WSS 0x08 /* sta: wide scsi send [W]*/ #define WSR 0x01 /* sta: wide scsi received [W]*/ /*03*/ u8 nc_scntl3; /* cnf system clock dependent */ #define EWS 0x08 /* cmd: enable wide scsi [W]*/ #define ULTRA 0x80 /* cmd: ULTRA enable */ /* bits 0-2, 7 rsvd for C1010 */ /*04*/ u8 nc_scid; /* cnf host adapter scsi address */ #define RRE 0x40 /* r/w:e enable response to resel. */ #define SRE 0x20 /* r/w:e enable response to select */ /*05*/ u8 nc_sxfer; /* ### Sync speed and count */ /* bits 6-7 rsvd for C1010 */ /*06*/ u8 nc_sdid; /* ### Destination-ID */ /*07*/ u8 nc_gpreg; /* ??? IO-Pins */ /*08*/ u8 nc_sfbr; /* ### First byte received */ /*09*/ u8 nc_socl; #define CREQ 0x80 /* r/w: SCSI-REQ */ #define CACK 0x40 /* r/w: SCSI-ACK */ #define CBSY 0x20 /* r/w: SCSI-BSY */ #define CSEL 0x10 /* r/w: SCSI-SEL */ #define CATN 0x08 /* r/w: SCSI-ATN */ #define CMSG 0x04 /* r/w: SCSI-MSG */ #define CC_D 0x02 /* r/w: SCSI-C_D */ #define CI_O 0x01 /* r/w: SCSI-I_O */ /*0a*/ u8 nc_ssid; /*0b*/ u8 nc_sbcl; /*0c*/ u8 nc_dstat; #define DFE 0x80 /* sta: dma fifo empty */ #define MDPE 0x40 /* int: master data parity error */ #define BF 0x20 /* int: script: bus fault */ #define ABRT 0x10 /* int: script: command aborted */ #define SSI 0x08 /* int: script: single step */ #define SIR 0x04 /* int: script: interrupt instruct. */ #define IID 0x01 /* int: script: illegal instruct. */ /*0d*/ u8 nc_sstat0; #define ILF 0x80 /* sta: data in SIDL register lsb */ #define ORF 0x40 /* sta: data in SODR register lsb */ #define OLF 0x20 /* sta: data in SODL register lsb */ #define AIP 0x10 /* sta: arbitration in progress */ #define LOA 0x08 /* sta: arbitration lost */ #define WOA 0x04 /* sta: arbitration won */ #define IRST 0x02 /* sta: scsi reset signal */ #define SDP 0x01 /* sta: scsi parity signal */ /*0e*/ u8 nc_sstat1; #define FF3210 0xf0 /* sta: bytes in the scsi fifo */ /*0f*/ u8 nc_sstat2; #define ILF1 0x80 /* sta: data in SIDL register msb[W]*/ #define ORF1 0x40 /* sta: data in SODR register msb[W]*/ #define OLF1 0x20 /* sta: data in SODL register msb[W]*/ #define DM 0x04 /* sta: DIFFSENS mismatch (895/6 only) */ #define LDSC 0x02 /* sta: disconnect & reconnect */ /*10*/ u8 nc_dsa; /* --> Base page */ /*11*/ u8 nc_dsa1; /*12*/ u8 nc_dsa2; /*13*/ u8 nc_dsa3; /*14*/ u8 nc_istat; /* --> Main Command and status */ #define CABRT 0x80 /* cmd: abort current operation */ #define SRST 0x40 /* mod: reset chip */ #define SIGP 0x20 /* r/w: message from host to script */ #define SEM 0x10 /* r/w: message between host + script */ #define CON 0x08 /* sta: connected to scsi */ #define INTF 0x04 /* sta: int on the fly (reset by wr)*/ #define SIP 0x02 /* sta: scsi-interrupt */ #define DIP 0x01 /* sta: host/script interrupt */ /*15*/ u8 nc_istat1; /* 896 only */ #define FLSH 0x04 /* sta: chip is flushing */ #define SCRUN 0x02 /* sta: scripts are running */ #define SIRQD 0x01 /* r/w: disable INT pin */ /*16*/ u8 nc_mbox0; /* 896 only */ /*17*/ u8 nc_mbox1; /* 896 only */ /*18*/ u8 nc_ctest0; /*19*/ u8 nc_ctest1; /*1a*/ u8 nc_ctest2; #define CSIGP 0x40 /* bits 0-2,7 rsvd for C1010 */ /*1b*/ u8 nc_ctest3; #define FLF 0x08 /* cmd: flush dma fifo */ #define CLF 0x04 /* cmd: clear dma fifo */ #define FM 0x02 /* mod: fetch pin mode */ #define WRIE 0x01 /* mod: write and invalidate enable */ /* bits 4-7 rsvd for C1010 */ /*1c*/ u32 nc_temp; /* ### Temporary stack */ /*20*/ u8 nc_dfifo; /*21*/ u8 nc_ctest4; #define BDIS 0x80 /* mod: burst disable */ #define MPEE 0x08 /* mod: master parity error enable */ /*22*/ u8 nc_ctest5; #define DFS 0x20 /* mod: dma fifo size */ /* bits 0-1, 3-7 rsvd for C1010 */ /*23*/ u8 nc_ctest6; /*24*/ u32 nc_dbc; /* ### Byte count and command */ /*28*/ u32 nc_dnad; /* ### Next command register */ /*2c*/ u32 nc_dsp; /* --> Script Pointer */ /*30*/ u32 nc_dsps; /* --> Script pointer save/opcode#2 */ /*34*/ u8 nc_scratcha; /* Temporary register a */ /*35*/ u8 nc_scratcha1; /*36*/ u8 nc_scratcha2; /*37*/ u8 nc_scratcha3; /*38*/ u8 nc_dmode; #define BL_2 0x80 /* mod: burst length shift value +2 */ #define BL_1 0x40 /* mod: burst length shift value +1 */ #define ERL 0x08 /* mod: enable read line */ #define ERMP 0x04 /* mod: enable read multiple */ #define BOF 0x02 /* mod: burst op code fetch */ /*39*/ u8 nc_dien; /*3a*/ u8 nc_sbr; /*3b*/ u8 nc_dcntl; /* --> Script execution control */ #define CLSE 0x80 /* mod: cache line size enable */ #define PFF 0x40 /* cmd: pre-fetch flush */ #define PFEN 0x20 /* mod: pre-fetch enable */ #define SSM 0x10 /* mod: single step mode */ #define IRQM 0x08 /* mod: irq mode (1 = totem pole !) */ #define STD 0x04 /* cmd: start dma mode */ #define IRQD 0x02 /* mod: irq disable */ #define NOCOM 0x01 /* cmd: protect sfbr while reselect */ /* bits 0-1 rsvd for C1010 */ /*3c*/ u32 nc_adder; /*40*/ u16 nc_sien; /* -->: interrupt enable */ /*42*/ u16 nc_sist; /* <--: interrupt status */ #define SBMC 0x1000/* sta: SCSI Bus Mode Change (895/6 only) */ #define STO 0x0400/* sta: timeout (select) */ #define GEN 0x0200/* sta: timeout (general) */ #define HTH 0x0100/* sta: timeout (handshake) */ #define MA 0x80 /* sta: phase mismatch */ #define CMP 0x40 /* sta: arbitration complete */ #define SEL 0x20 /* sta: selected by another device */ #define RSL 0x10 /* sta: reselected by another device*/ #define SGE 0x08 /* sta: gross error (over/underflow)*/ #define UDC 0x04 /* sta: unexpected disconnect */ #define RST 0x02 /* sta: scsi bus reset detected */ #define PAR 0x01 /* sta: scsi parity error */ /*44*/ u8 nc_slpar; /*45*/ u8 nc_swide; /*46*/ u8 nc_macntl; /*47*/ u8 nc_gpcntl; /*48*/ u8 nc_stime0; /* cmd: timeout for select&handshake*/ /*49*/ u8 nc_stime1; /* cmd: timeout user defined */ /*4a*/ u16 nc_respid; /* sta: Reselect-IDs */ /*4c*/ u8 nc_stest0; /*4d*/ u8 nc_stest1; #define SCLK 0x80 /* Use the PCI clock as SCSI clock */ #define DBLEN 0x08 /* clock doubler running */ #define DBLSEL 0x04 /* clock doubler selected */ /*4e*/ u8 nc_stest2; #define ROF 0x40 /* reset scsi offset (after gross error!) */ #define EXT 0x02 /* extended filtering */ /*4f*/ u8 nc_stest3; #define TE 0x80 /* c: tolerAnt enable */ #define HSC 0x20 /* c: Halt SCSI Clock */ #define CSF 0x02 /* c: clear scsi fifo */ /*50*/ u16 nc_sidl; /* Lowlevel: latched from scsi data */ /*52*/ u8 nc_stest4; #define SMODE 0xc0 /* SCSI bus mode (895/6 only) */ #define SMODE_HVD 0x40 /* High Voltage Differential */ #define SMODE_SE 0x80 /* Single Ended */ #define SMODE_LVD 0xc0 /* Low Voltage Differential */ #define LCKFRQ 0x20 /* Frequency Lock (895/6 only) */ /* bits 0-5 rsvd for C1010 */ /*53*/ u8 nc_53_; /*54*/ u16 nc_sodl; /* Lowlevel: data out to scsi data */ /*56*/ u8 nc_ccntl0; /* Chip Control 0 (896) */ #define ENPMJ 0x80 /* Enable Phase Mismatch Jump */ #define PMJCTL 0x40 /* Phase Mismatch Jump Control */ #define ENNDJ 0x20 /* Enable Non Data PM Jump */ #define DISFC 0x10 /* Disable Auto FIFO Clear */ #define DILS 0x02 /* Disable Internal Load/Store */ #define DPR 0x01 /* Disable Pipe Req */ /*57*/ u8 nc_ccntl1; /* Chip Control 1 (896) */ #define ZMOD 0x80 /* High Impedance Mode */ #define DDAC 0x08 /* Disable Dual Address Cycle */ #define XTIMOD 0x04 /* 64-bit Table Ind. Indexing Mode */ #define EXTIBMV 0x02 /* Enable 64-bit Table Ind. BMOV */ #define EXDBMV 0x01 /* Enable 64-bit Direct BMOV */ /*58*/ u16 nc_sbdl; /* Lowlevel: data from scsi data */ /*5a*/ u16 nc_5a_; /*5c*/ u8 nc_scr0; /* Working register B */ /*5d*/ u8 nc_scr1; /*5e*/ u8 nc_scr2; /*5f*/ u8 nc_scr3; /*60*/ u8 nc_scrx[64]; /* Working register C-R */ /*a0*/ u32 nc_mmrs; /* Memory Move Read Selector */ /*a4*/ u32 nc_mmws; /* Memory Move Write Selector */ /*a8*/ u32 nc_sfs; /* Script Fetch Selector */ /*ac*/ u32 nc_drs; /* DSA Relative Selector */ /*b0*/ u32 nc_sbms; /* Static Block Move Selector */ /*b4*/ u32 nc_dbms; /* Dynamic Block Move Selector */ /*b8*/ u32 nc_dnad64; /* DMA Next Address 64 */ /*bc*/ u16 nc_scntl4; /* C1010 only */ #define U3EN 0x80 /* Enable Ultra 3 */ #define AIPCKEN 0x40 /* AIP checking enable */ /* Also enable AIP generation on C10-33*/ #define XCLKH_DT 0x08 /* Extra clock of data hold on DT edge */ #define XCLKH_ST 0x04 /* Extra clock of data hold on ST edge */ #define XCLKS_DT 0x02 /* Extra clock of data set on DT edge */ #define XCLKS_ST 0x01 /* Extra clock of data set on ST edge */ /*be*/ u8 nc_aipcntl0; /* AIP Control 0 C1010 only */ /*bf*/ u8 nc_aipcntl1; /* AIP Control 1 C1010 only */ #define DISAIP 0x08 /* Disable AIP generation C10-66 only */ /*c0*/ u32 nc_pmjad1; /* Phase Mismatch Jump Address 1 */ /*c4*/ u32 nc_pmjad2; /* Phase Mismatch Jump Address 2 */ /*c8*/ u8 nc_rbc; /* Remaining Byte Count */ /*c9*/ u8 nc_rbc1; /*ca*/ u8 nc_rbc2; /*cb*/ u8 nc_rbc3; /*cc*/ u8 nc_ua; /* Updated Address */ /*cd*/ u8 nc_ua1; /*ce*/ u8 nc_ua2; /*cf*/ u8 nc_ua3; /*d0*/ u32 nc_esa; /* Entry Storage Address */ /*d4*/ u8 nc_ia; /* Instruction Address */ /*d5*/ u8 nc_ia1; /*d6*/ u8 nc_ia2; /*d7*/ u8 nc_ia3; /*d8*/ u32 nc_sbc; /* SCSI Byte Count (3 bytes only) */ /*dc*/ u32 nc_csbc; /* Cumulative SCSI Byte Count */ /* Following for C1010 only */ /*e0*/ u16 nc_crcpad; /* CRC Value */ /*e2*/ u8 nc_crccntl0; /* CRC control register */ #define SNDCRC 0x10 /* Send CRC Request */ /*e3*/ u8 nc_crccntl1; /* CRC control register */ /*e4*/ u32 nc_crcdata; /* CRC data register */ /*e8*/ u32 nc_e8_; /*ec*/ u32 nc_ec_; /*f0*/ u16 nc_dfbc; /* DMA FIFO byte count */ }; /*----------------------------------------------------------- * * Utility macros for the script. * *----------------------------------------------------------- */ #define REGJ(p,r) (offsetof(struct sym_reg, p ## r)) #define REG(r) REGJ (nc_, r) /*----------------------------------------------------------- * * SCSI phases * *----------------------------------------------------------- */ #define SCR_DATA_OUT 0x00000000 #define SCR_DATA_IN 0x01000000 #define SCR_COMMAND 0x02000000 #define SCR_STATUS 0x03000000 #define SCR_DT_DATA_OUT 0x04000000 #define SCR_DT_DATA_IN 0x05000000 #define SCR_MSG_OUT 0x06000000 #define SCR_MSG_IN 0x07000000 /* DT phases are illegal for non Ultra3 mode */ #define SCR_ILG_OUT 0x04000000 #define SCR_ILG_IN 0x05000000 /*----------------------------------------------------------- * * Data transfer via SCSI. * *----------------------------------------------------------- * * MOVE_ABS (LEN) * <<start address>> * * MOVE_IND (LEN) * <<dnad_offset>> * * MOVE_TBL * <<dnad_offset>> * *----------------------------------------------------------- */ #define OPC_MOVE 0x08000000 #define SCR_MOVE_ABS(l) ((0x00000000 | OPC_MOVE) | (l)) /* #define SCR_MOVE_IND(l) ((0x20000000 | OPC_MOVE) | (l)) */ #define SCR_MOVE_TBL (0x10000000 | OPC_MOVE) #define SCR_CHMOV_ABS(l) ((0x00000000) | (l)) /* #define SCR_CHMOV_IND(l) ((0x20000000) | (l)) */ #define SCR_CHMOV_TBL (0x10000000) #ifdef SYM_CONF_TARGET_ROLE_SUPPORT /* We steal the `indirect addressing' flag for target mode MOVE in scripts */ #define OPC_TCHMOVE 0x08000000 #define SCR_TCHMOVE_ABS(l) ((0x20000000 | OPC_TCHMOVE) | (l)) #define SCR_TCHMOVE_TBL (0x30000000 | OPC_TCHMOVE) #define SCR_TMOV_ABS(l) ((0x20000000) | (l)) #define SCR_TMOV_TBL (0x30000000) #endif struct sym_tblmove { u32 size; u32 addr; }; /*----------------------------------------------------------- * * Selection * *----------------------------------------------------------- * * SEL_ABS | SCR_ID (0..15) [ | REL_JMP] * <<alternate_address>> * * SEL_TBL | << dnad_offset>> [ | REL_JMP] * <<alternate_address>> * *----------------------------------------------------------- */ #define SCR_SEL_ABS 0x40000000 #define SCR_SEL_ABS_ATN 0x41000000 #define SCR_SEL_TBL 0x42000000 #define SCR_SEL_TBL_ATN 0x43000000 #ifdef SYM_CONF_TARGET_ROLE_SUPPORT #define SCR_RESEL_ABS 0x40000000 #define SCR_RESEL_ABS_ATN 0x41000000 #define SCR_RESEL_TBL 0x42000000 #define SCR_RESEL_TBL_ATN 0x43000000 #endif struct sym_tblsel { u_char sel_scntl4; /* C1010 only */ u_char sel_sxfer; u_char sel_id; u_char sel_scntl3; }; #define SCR_JMP_REL 0x04000000 #define SCR_ID(id) (((u32)(id)) << 16) /*----------------------------------------------------------- * * Waiting for Disconnect or Reselect * *----------------------------------------------------------- * * WAIT_DISC * dummy: <<alternate_address>> * * WAIT_RESEL * <<alternate_address>> * *----------------------------------------------------------- */ #define SCR_WAIT_DISC 0x48000000 #define SCR_WAIT_RESEL 0x50000000 #ifdef SYM_CONF_TARGET_ROLE_SUPPORT #define SCR_DISCONNECT 0x48000000 #endif /*----------------------------------------------------------- * * Bit Set / Reset * *----------------------------------------------------------- * * SET (flags {|.. }) * * CLR (flags {|.. }) * *----------------------------------------------------------- */ #define SCR_SET(f) (0x58000000 | (f)) #define SCR_CLR(f) (0x60000000 | (f)) #define SCR_CARRY 0x00000400 #define SCR_TRG 0x00000200 #define SCR_ACK 0x00000040 #define SCR_ATN 0x00000008 /*----------------------------------------------------------- * * Memory to memory move * *----------------------------------------------------------- * * COPY (bytecount) * << source_address >> * << destination_address >> * * SCR_COPY sets the NO FLUSH option by default. * SCR_COPY_F does not set this option. * * For chips which do not support this option, * sym_fw_bind_script() will remove this bit. * *----------------------------------------------------------- */ #define SCR_NO_FLUSH 0x01000000 #define SCR_COPY(n) (0xc0000000 | SCR_NO_FLUSH | (n)) #define SCR_COPY_F(n) (0xc0000000 | (n)) /*----------------------------------------------------------- * * Register move and binary operations * *----------------------------------------------------------- * * SFBR_REG (reg, op, data) reg = SFBR op data * << 0 >> * * REG_SFBR (reg, op, data) SFBR = reg op data * << 0 >> * * REG_REG (reg, op, data) reg = reg op data * << 0 >> * *----------------------------------------------------------- * * On 825A, 875, 895 and 896 chips the content * of SFBR register can be used as data (SCR_SFBR_DATA). * The 896 has additionnal IO registers starting at * offset 0x80. Bit 7 of register offset is stored in * bit 7 of the SCRIPTS instruction first DWORD. * *----------------------------------------------------------- */ #define SCR_REG_OFS(ofs) ((((ofs) & 0x7f) << 16ul) + ((ofs) & 0x80)) #define SCR_SFBR_REG(reg,op,data) \ (0x68000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) #define SCR_REG_SFBR(reg,op,data) \ (0x70000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) #define SCR_REG_REG(reg,op,data) \ (0x78000000 | (SCR_REG_OFS(REG(reg))) | (op) | (((data)&0xff)<<8ul)) #define SCR_LOAD 0x00000000 #define SCR_SHL 0x01000000 #define SCR_OR 0x02000000 #define SCR_XOR 0x03000000 #define SCR_AND 0x04000000 #define SCR_SHR 0x05000000 #define SCR_ADD 0x06000000 #define SCR_ADDC 0x07000000 #define SCR_SFBR_DATA (0x00800000>>8ul) /* Use SFBR as data */ /*----------------------------------------------------------- * * FROM_REG (reg) SFBR = reg * << 0 >> * * TO_REG (reg) reg = SFBR * << 0 >> * * LOAD_REG (reg, data) reg = <data> * << 0 >> * * LOAD_SFBR(data) SFBR = <data> * << 0 >> * *----------------------------------------------------------- */ #define SCR_FROM_REG(reg) \ SCR_REG_SFBR(reg,SCR_OR,0) #define SCR_TO_REG(reg) \ SCR_SFBR_REG(reg,SCR_OR,0) #define SCR_LOAD_REG(reg,data) \ SCR_REG_REG(reg,SCR_LOAD,data) #define SCR_LOAD_SFBR(data) \ (SCR_REG_SFBR (gpreg, SCR_LOAD, data)) /*----------------------------------------------------------- * * LOAD from memory to register. * STORE from register to memory. * * Only supported by 810A, 860, 825A, 875, 895 and 896. * *----------------------------------------------------------- * * LOAD_ABS (LEN) * <<start address>> * * LOAD_REL (LEN) (DSA relative) * <<dsa_offset>> * *----------------------------------------------------------- */ #define SCR_REG_OFS2(ofs) (((ofs) & 0xff) << 16ul) #define SCR_NO_FLUSH2 0x02000000 #define SCR_DSA_REL2 0x10000000 #define SCR_LOAD_R(reg, how, n) \ (0xe1000000 | how | (SCR_REG_OFS2(REG(reg))) | (n)) #define SCR_STORE_R(reg, how, n) \ (0xe0000000 | how | (SCR_REG_OFS2(REG(reg))) | (n)) #define SCR_LOAD_ABS(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2, n) #define SCR_LOAD_REL(reg, n) SCR_LOAD_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2, n) #define SCR_LOAD_ABS_F(reg, n) SCR_LOAD_R(reg, 0, n) #define SCR_LOAD_REL_F(reg, n) SCR_LOAD_R(reg, SCR_DSA_REL2, n) #define SCR_STORE_ABS(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2, n) #define SCR_STORE_REL(reg, n) SCR_STORE_R(reg, SCR_NO_FLUSH2|SCR_DSA_REL2,n) #define SCR_STORE_ABS_F(reg, n) SCR_STORE_R(reg, 0, n) #define SCR_STORE_REL_F(reg, n) SCR_STORE_R(reg, SCR_DSA_REL2, n) /*----------------------------------------------------------- * * Waiting for Disconnect or Reselect * *----------------------------------------------------------- * * JUMP [ | IFTRUE/IFFALSE ( ... ) ] * <<address>> * * JUMPR [ | IFTRUE/IFFALSE ( ... ) ] * <<distance>> * * CALL [ | IFTRUE/IFFALSE ( ... ) ] * <<address>> * * CALLR [ | IFTRUE/IFFALSE ( ... ) ] * <<distance>> * * RETURN [ | IFTRUE/IFFALSE ( ... ) ] * <<dummy>> * * INT [ | IFTRUE/IFFALSE ( ... ) ] * <<ident>> * * INT_FLY [ | IFTRUE/IFFALSE ( ... ) ] * <<ident>> * * Conditions: * WHEN (phase) * IF (phase) * CARRYSET * DATA (data, mask) * *----------------------------------------------------------- */ #define SCR_NO_OP 0x80000000 #define SCR_JUMP 0x80080000 #define SCR_JUMP64 0x80480000 #define SCR_JUMPR 0x80880000 #define SCR_CALL 0x88080000 #define SCR_CALLR 0x88880000 #define SCR_RETURN 0x90080000 #define SCR_INT 0x98080000 #define SCR_INT_FLY 0x98180000 #define IFFALSE(arg) (0x00080000 | (arg)) #define IFTRUE(arg) (0x00000000 | (arg)) #define WHEN(phase) (0x00030000 | (phase)) #define IF(phase) (0x00020000 | (phase)) #define DATA(D) (0x00040000 | ((D) & 0xff)) #define MASK(D,M) (0x00040000 | (((M ^ 0xff) & 0xff) << 8ul)|((D) & 0xff)) #define CARRYSET (0x00200000) /*----------------------------------------------------------- * * SCSI constants. * *----------------------------------------------------------- */ /* * Messages */ #define M_COMPLETE COMMAND_COMPLETE #define M_EXTENDED EXTENDED_MESSAGE #define M_SAVE_DP SAVE_POINTERS #define M_RESTORE_DP RESTORE_POINTERS #define M_DISCONNECT DISCONNECT #define M_ID_ERROR INITIATOR_ERROR #define M_ABORT ABORT_TASK_SET #define M_REJECT MESSAGE_REJECT #define M_NOOP NOP #define M_PARITY MSG_PARITY_ERROR #define M_LCOMPLETE LINKED_CMD_COMPLETE #define M_FCOMPLETE LINKED_FLG_CMD_COMPLETE #define M_RESET TARGET_RESET #define M_ABORT_TAG ABORT_TASK #define M_CLEAR_QUEUE CLEAR_TASK_SET #define M_INIT_REC INITIATE_RECOVERY #define M_REL_REC RELEASE_RECOVERY #define M_TERMINATE (0x11) #define M_SIMPLE_TAG SIMPLE_QUEUE_TAG #define M_HEAD_TAG HEAD_OF_QUEUE_TAG #define M_ORDERED_TAG ORDERED_QUEUE_TAG #define M_IGN_RESIDUE IGNORE_WIDE_RESIDUE #define M_X_MODIFY_DP EXTENDED_MODIFY_DATA_POINTER #define M_X_SYNC_REQ EXTENDED_SDTR #define M_X_WIDE_REQ EXTENDED_WDTR #define M_X_PPR_REQ EXTENDED_PPR /* * PPR protocol options */ #define PPR_OPT_IU (0x01) #define PPR_OPT_DT (0x02) #define PPR_OPT_QAS (0x04) #define PPR_OPT_MASK (0x07) /* * Status */ #define S_GOOD SAM_STAT_GOOD #define S_CHECK_COND SAM_STAT_CHECK_CONDITION #define S_COND_MET SAM_STAT_CONDITION_MET #define S_BUSY SAM_STAT_BUSY #define S_INT SAM_STAT_INTERMEDIATE #define S_INT_COND_MET SAM_STAT_INTERMEDIATE_CONDITION_MET #define S_CONFLICT SAM_STAT_RESERVATION_CONFLICT #define S_TERMINATED SAM_STAT_COMMAND_TERMINATED #define S_QUEUE_FULL SAM_STAT_TASK_SET_FULL #define S_ILLEGAL (0xff) #endif /* defined SYM_DEFS_H */
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