sym_fw.h
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上传日期:2013-04-10
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- /*
- * 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>
- *
- *-----------------------------------------------------------------------------
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * Where this Software is combined with software released under the terms of
- * the GNU Public License ("GPL") and the terms of the GPL would require the
- * combined work to also be released under the terms of the GPL, the terms
- * and conditions of this License will apply in addition to those of the
- * GPL with the exception of any terms or conditions of this License that
- * conflict with, or are expressly prohibited by, the GPL.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
- #ifndef SYM_FW_H
- #define SYM_FW_H
- /*
- * Macro used to generate interfaces for script A.
- */
- #define SYM_GEN_FW_A(s)
- SYM_GEN_A(s, start) SYM_GEN_A(s, getjob_begin)
- SYM_GEN_A(s, getjob_end)
- SYM_GEN_A(s, select) SYM_GEN_A(s, wf_sel_done)
- SYM_GEN_A(s, send_ident)
- SYM_GEN_A(s, dispatch) SYM_GEN_A(s, init)
- SYM_GEN_A(s, clrack) SYM_GEN_A(s, complete_error)
- SYM_GEN_A(s, done) SYM_GEN_A(s, done_end)
- SYM_GEN_A(s, idle) SYM_GEN_A(s, ungetjob)
- SYM_GEN_A(s, reselect)
- SYM_GEN_A(s, resel_tag) SYM_GEN_A(s, resel_dsa)
- SYM_GEN_A(s, resel_no_tag)
- SYM_GEN_A(s, data_in) SYM_GEN_A(s, data_in2)
- SYM_GEN_A(s, data_out) SYM_GEN_A(s, data_out2)
- SYM_GEN_A(s, pm0_data) SYM_GEN_A(s, pm1_data)
- /*
- * Macro used to generate interfaces for script B.
- */
- #define SYM_GEN_FW_B(s)
- SYM_GEN_B(s, no_data)
- SYM_GEN_B(s, sel_for_abort) SYM_GEN_B(s, sel_for_abort_1)
- SYM_GEN_B(s, msg_bad) SYM_GEN_B(s, msg_weird)
- SYM_GEN_B(s, wdtr_resp) SYM_GEN_B(s, send_wdtr)
- SYM_GEN_B(s, sdtr_resp) SYM_GEN_B(s, send_sdtr)
- SYM_GEN_B(s, ppr_resp) SYM_GEN_B(s, send_ppr)
- SYM_GEN_B(s, nego_bad_phase)
- SYM_GEN_B(s, ident_break) SYM_GEN_B(s, ident_break_atn)
- SYM_GEN_B(s, sdata_in) SYM_GEN_B(s, resel_bad_lun)
- SYM_GEN_B(s, bad_i_t_l) SYM_GEN_B(s, bad_i_t_l_q)
- SYM_GEN_B(s, wsr_ma_helper)
- /*
- * Macro used to generate interfaces for script Z.
- */
- #define SYM_GEN_FW_Z(s)
- SYM_GEN_Z(s, snooptest) SYM_GEN_Z(s, snoopend)
- /*
- * Generates structure interface that contains
- * offsets within script A, B and Z.
- */
- #define SYM_GEN_A(s, label) s label;
- #define SYM_GEN_B(s, label) s label;
- #define SYM_GEN_Z(s, label) s label;
- struct sym_fwa_ofs {
- SYM_GEN_FW_A(u_short)
- };
- struct sym_fwb_ofs {
- SYM_GEN_FW_B(u_short)
- #ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
- SYM_GEN_B(u_short, data_io)
- #endif
- SYM_GEN_B(u_short, start64)
- SYM_GEN_B(u_short, pm_handle)
- };
- struct sym_fwz_ofs {
- SYM_GEN_FW_Z(u_short)
- #ifdef SYM_OPT_NO_BUS_MEMORY_MAPPING
- SYM_GEN_Z(u_short, start_ram)
- SYM_GEN_Z(u_short, start_ram64)
- #endif
- };
- /*
- * Generates structure interface that contains
- * bus addresses within script A, B and Z.
- */
- struct sym_fwa_ba {
- SYM_GEN_FW_A(u32)
- };
- struct sym_fwb_ba {
- SYM_GEN_FW_B(u32)
- #ifdef SYM_OPT_HANDLE_DIR_UNKNOWN
- SYM_GEN_B(u32, data_io)
- #endif
- SYM_GEN_B(u32, start64);
- SYM_GEN_B(u32, pm_handle);
- };
- struct sym_fwz_ba {
- SYM_GEN_FW_Z(u32)
- #ifdef SYM_OPT_NO_BUS_MEMORY_MAPPING
- SYM_GEN_Z(u32, start_ram)
- SYM_GEN_Z(u32, start_ram64)
- #endif
- };
- #undef SYM_GEN_A
- #undef SYM_GEN_B
- #undef SYM_GEN_Z
- /*
- * Let cc know about the name of the controller data structure.
- * We need this for function prototype declarations just below.
- */
- struct sym_hcb;
- /*
- * Generic structure that defines a firmware.
- */
- struct sym_fw {
- char *name; /* Name we want to print out */
- u32 *a_base; /* Pointer to script A template */
- int a_size; /* Size of script A */
- struct sym_fwa_ofs
- *a_ofs; /* Useful offsets in script A */
- u32 *b_base; /* Pointer to script B template */
- int b_size; /* Size of script B */
- struct sym_fwb_ofs
- *b_ofs; /* Useful offsets in script B */
- u32 *z_base; /* Pointer to script Z template */
- int z_size; /* Size of script Z */
- struct sym_fwz_ofs
- *z_ofs; /* Useful offsets in script Z */
- /* Setup and patch methods for this firmware */
- void (*setup)(struct sym_hcb *, struct sym_fw *);
- void (*patch)(struct sym_hcb *);
- };
- /*
- * Macro used to declare a firmware.
- */
- #define SYM_FW_ENTRY(fw, name)
- {
- name,
- (u32 *) &fw##a_scr, sizeof(fw##a_scr), &fw##a_ofs,
- (u32 *) &fw##b_scr, sizeof(fw##b_scr), &fw##b_ofs,
- (u32 *) &fw##z_scr, sizeof(fw##z_scr), &fw##z_ofs,
- fw##_setup, fw##_patch
- }
- /*
- * Macros used from the C code to get useful
- * SCRIPTS bus addresses.
- */
- #define SCRIPTA_BA(np, label) (np->fwa_bas.label)
- #define SCRIPTB_BA(np, label) (np->fwb_bas.label)
- #define SCRIPTZ_BA(np, label) (np->fwz_bas.label)
- /*
- * Macros used by scripts definitions.
- *
- * HADDR_1 generates a reference to a field of the controller data.
- * HADDR_2 generates a reference to a field of the controller data
- * with offset.
- * RADDR_1 generates a reference to a script processor register.
- * RADDR_2 generates a reference to a script processor register
- * with offset.
- * PADDR_A generates a reference to another part of script A.
- * PADDR_B generates a reference to another part of script B.
- *
- * SYM_GEN_PADDR_A and SYM_GEN_PADDR_B are used to define respectively
- * the PADDR_A and PADDR_B macros for each firmware by setting argument
- * `s' to the name of the corresponding structure.
- *
- * SCR_DATA_ZERO is used to allocate a DWORD of data in scripts areas.
- */
- #define RELOC_SOFTC 0x40000000
- #define RELOC_LABEL_A 0x50000000
- #define RELOC_REGISTER 0x60000000
- #define RELOC_LABEL_B 0x80000000
- #define RELOC_MASK 0xf0000000
- #define HADDR_1(label) (RELOC_SOFTC | offsetof(struct sym_hcb, label))
- #define HADDR_2(label,ofs) (RELOC_SOFTC |
- (offsetof(struct sym_hcb, label)+(ofs)))
- #define RADDR_1(label) (RELOC_REGISTER | REG(label))
- #define RADDR_2(label,ofs) (RELOC_REGISTER | ((REG(label))+(ofs)))
- #define SYM_GEN_PADDR_A(s, label) (RELOC_LABEL_A | offsetof(s, label))
- #define SYM_GEN_PADDR_B(s, label) (RELOC_LABEL_B | offsetof(s, label))
- #define SCR_DATA_ZERO 0xf00ff00f
- #endif /* SYM_FW_H */