diff options
Diffstat (limited to 'sys/dev/aic7xxx/aic7xxx.h')
| -rw-r--r-- | sys/dev/aic7xxx/aic7xxx.h | 90 |
1 files changed, 66 insertions, 24 deletions
diff --git a/sys/dev/aic7xxx/aic7xxx.h b/sys/dev/aic7xxx/aic7xxx.h index cc5bf76..6de2450 100644 --- a/sys/dev/aic7xxx/aic7xxx.h +++ b/sys/dev/aic7xxx/aic7xxx.h @@ -2,6 +2,7 @@ * Core definitions and data structures shareable across OS platforms. * * Copyright (c) 1994-2001 Justin T. Gibbs. + * Copyright (c) 2000-2001 Adaptec Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -10,25 +11,33 @@ * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer, * without modification. - * 2. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. + * 2. Redistributions in binary form must reproduce at minimum a disclaimer + * substantially similar to the "NO WARRANTY" disclaimer below + * ("Disclaimer") and any redistribution must be conditioned upon + * including a substantially similar Disclaimer requirement for further + * binary redistribution. + * 3. Neither the names of the above-listed copyright holders nor the names + * of any contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. * * Alternatively, this software may be distributed under the terms of the - * GNU Public License ("GPL"). + * GNU General Public License ("GPL") version 2 as published by the Free + * Software Foundation. * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 + * NO WARRANTY + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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. + * 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 DAMAGES. * - * $Id: //depot/src/aic7xxx/aic7xxx.h#29 $ + * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.h#40 $ * * $FreeBSD$ */ @@ -42,6 +51,7 @@ /************************* Forward Declarations *******************************/ struct ahc_platform_data; struct scb_platform_data; +struct seeprom_descriptor; /****************************** Useful Macros *********************************/ #ifndef MAX @@ -147,6 +157,13 @@ struct scb_platform_data; #define AHC_MAX_QUEUE 253 /* + * The maximum amount of SCB storage we allocate in host memory. This + * number should reflect the 1 additional SCB we require to handle our + * qinfifo mechanism. + */ +#define AHC_SCB_MAX_ALLOC (AHC_MAX_QUEUE+1) + +/* * Ring Buffer of incoming target commands. * We allocate 256 to simplify the logic in the sequencer * by using the natural wrap point of an 8bit counter. @@ -373,10 +390,12 @@ struct status_pkt { * Target mode version of the shared data SCB segment. */ struct target_data { - uint8_t target_phases; /* Bitmap of phases to execute */ - uint8_t data_phase; /* Data-In or Data-Out */ - uint8_t scsi_status; /* SCSI status to give to initiator */ - uint8_t initiator_tag; /* Initiator's transaction tag */ + uint32_t residual_datacnt; /* Residual in the current S/G seg */ + uint32_t residual_sg_ptr; /* The next S/G for this transfer */ + uint8_t scsi_status; /* SCSI status to give to initiator */ + uint8_t target_phases; /* Bitmap of phases to execute */ + uint8_t data_phase; /* Data-In or Data-Out */ + uint8_t initiator_tag; /* Initiator's transaction tag */ }; struct hardware_scb { @@ -387,10 +406,10 @@ struct hardware_scb { * of the cdb payload as seen by the chip and a DMA * is used to pull it in. */ - uint8_t cdb[12]; - uint32_t cdb_ptr; - struct status_pkt status; - struct target_data tdata; + uint8_t cdb[12]; + uint32_t cdb_ptr; + struct status_pkt status; + struct target_data tdata; } shared_data; /* * A word about residuals. @@ -544,7 +563,15 @@ struct scb_data { * Pool of SCBs ready to be assigned * commands to execute. */ - struct scb *scbindex[AHC_SCB_MAX + 1];/* Mapping from tag to SCB */ + struct scb *scbindex[256]; /* + * Mapping from tag to SCB. + * As tag identifiers are an + * 8bit value, we provide space + * for all possible tag values. + * Any lookups to entries at or + * above AHC_SCB_MAX_ALLOC will + * always fail. + */ struct hardware_scb *hscbs; /* Array of hardware SCBs */ struct scb *scbarray; /* Array of kernel SCBs */ struct scsi_sense_data *sense; /* Per SCB sense data */ @@ -1067,7 +1094,8 @@ int ahc_pci_config(struct ahc_softc *, /*************************** EISA/VL Front End ********************************/ struct aic7770_identity *aic7770_find_device(uint32_t); int aic7770_config(struct ahc_softc *ahc, - struct aic7770_identity *); + struct aic7770_identity *, + u_int port); /************************** SCB and SCB queue management **********************/ int ahc_probe_scbs(struct ahc_softc *); @@ -1090,6 +1118,7 @@ void ahc_pause_and_flushwork(struct ahc_softc *ahc); int ahc_suspend(struct ahc_softc *ahc); int ahc_resume(struct ahc_softc *ahc); void ahc_softc_insert(struct ahc_softc *); +struct ahc_softc *ahc_find_softc(struct ahc_softc *ahc); void ahc_set_unit(struct ahc_softc *, int); void ahc_set_name(struct ahc_softc *, char *); void ahc_alloc_scbs(struct ahc_softc *ahc); @@ -1127,8 +1156,12 @@ int ahc_search_disc_list(struct ahc_softc *ahc, int target, void ahc_freeze_devq(struct ahc_softc *ahc, struct scb *scb); int ahc_reset_channel(struct ahc_softc *ahc, char channel, int initiate_reset); +int ahc_abort_scbs(struct ahc_softc *ahc, int target, + char channel, int lun, u_int tag, + role_t role, uint32_t status); void ahc_restart(struct ahc_softc *ahc); -void ahc_calc_residual(struct scb *scb); +void ahc_calc_residual(struct ahc_softc *ahc, + struct scb *scb); /*************************** Utility Functions ********************************/ struct ahc_phase_table_entry* ahc_lookup_phase_entry(int phase); @@ -1190,6 +1223,15 @@ cam_status ahc_find_tmode_devs(struct ahc_softc *ahc, #endif #endif /******************************* Debug ***************************************/ +#ifdef AHC_DEBUG +extern int ahc_debug; +#define AHC_SHOWMISC 0x1 +#define AHC_SHOWSENSE 0x2 +#endif void ahc_print_scb(struct scb *scb); void ahc_dump_card_state(struct ahc_softc *ahc); +/******************************* SEEPROM *************************************/ +int ahc_acquire_seeprom(struct ahc_softc *ahc, + struct seeprom_descriptor *sd); +void ahc_release_seeprom(struct seeprom_descriptor *sd); #endif /* _AIC7XXX_H_ */ |
