On Fri, 21 Nov 2014, Hannes Reinecke wrote: > The am53c974 is a re-implementation of the tmscsim driver, > and provides the same functionality. > So remove the tmscsim driver and make am53c974 an alias to tmscsim. > > Cc: Guennadi Liakhovetski <[email protected]> > Signed-off-by: Hannes Reinecke <[email protected]> > --- > MAINTAINERS | 7 +- > drivers/scsi/Kconfig | 16 - > drivers/scsi/Makefile | 1 - > drivers/scsi/am53c974.c | 1 + > drivers/scsi/tmscsim.c | 2626 > ----------------------------------------------- > drivers/scsi/tmscsim.h | 549 ---------- > 6 files changed, 4 insertions(+), 3196 deletions(-) > delete mode 100644 drivers/scsi/tmscsim.c > delete mode 100644 drivers/scsi/tmscsim.h > > diff --git a/MAINTAINERS b/MAINTAINERS > index d206f37..d780e46 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -2862,11 +2862,10 @@ F: Documentation/networking/dmfe.txt > F: drivers/net/ethernet/dec/tulip/dmfe.c > > DC390/AM53C974 SCSI driver > -M: Kurt Garloff <[email protected]> > -W: http://www.garloff.de/kurt/linux/dc390/ > -M: Guennadi Liakhovetski <[email protected]> > +M: Hannes Reinecke <[email protected]> > +L: [email protected] > S: Maintained > -F: drivers/scsi/tmscsim.* > +F: drivers/scsi/am53c974.c > > DC395x SCSI driver > M: Oliver Neukum <[email protected]>
Acked-by: Guennadi Liakhovetski <[email protected]> Thanks Guennadi > diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig > index 519c3ef..f871a80 100644 > --- a/drivers/scsi/Kconfig > +++ b/drivers/scsi/Kconfig > @@ -1341,22 +1341,6 @@ config SCSI_DC395x > To compile this driver as a module, choose M here: the > module will be called dc395x. > > -config SCSI_DC390T > - tristate "Tekram DC390(T) and Am53/79C974 SCSI support" > - depends on PCI && SCSI > - ---help--- > - This driver supports PCI SCSI host adapters based on the Am53C974A > - chip, e.g. Tekram DC390(T), DawiControl 2974 and some onboard > - PCscsi/PCnet (Am53/79C974) solutions. > - > - Documentation can be found in <file:Documentation/scsi/tmscsim.txt>. > - > - Note that this driver does NOT support Tekram DC390W/U/F, which are > - based on NCR/Symbios chips. Use "NCR53C8XX SCSI support" for those. > - > - To compile this driver as a module, choose M here: the > - module will be called tmscsim. > - > config SCSI_AM53C974 > tristate "Tekram DC390(T) and Am53/79C974 SCSI support (new driver)" > depends on PCI && SCSI > diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile > index 79a6571..a9f3fa8 100644 > --- a/drivers/scsi/Makefile > +++ b/drivers/scsi/Makefile > @@ -100,7 +100,6 @@ obj-$(CONFIG_SCSI_EATA_PIO) += eata_pio.o > obj-$(CONFIG_SCSI_7000FASST) += wd7000.o > obj-$(CONFIG_SCSI_EATA) += eata.o > obj-$(CONFIG_SCSI_DC395x) += dc395x.o > -obj-$(CONFIG_SCSI_DC390T) += tmscsim.o > obj-$(CONFIG_SCSI_AM53C974) += esp_scsi.o am53c974.o > obj-$(CONFIG_MEGARAID_LEGACY) += megaraid.o > obj-$(CONFIG_MEGARAID_NEWGEN) += megaraid/ > diff --git a/drivers/scsi/am53c974.c b/drivers/scsi/am53c974.c > index 55622eb..5ce2bb2 100644 > --- a/drivers/scsi/am53c974.c > +++ b/drivers/scsi/am53c974.c > @@ -572,6 +572,7 @@ MODULE_DESCRIPTION("AM53C974 SCSI driver"); > MODULE_AUTHOR("Hannes Reinecke <[email protected]>"); > MODULE_LICENSE("GPL"); > MODULE_VERSION(DRV_MODULE_VERSION); > +MODULE_ALIAS("tmscsim"); > > module_param(am53c974_fenab, bool, 0444); > MODULE_PARM_DESC(am53c974_fenab, "Enable 24-bit DMA transfer sizes"); > diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c > deleted file mode 100644 > index 844c9a0..0000000 > --- a/drivers/scsi/tmscsim.c > +++ /dev/null > @@ -1,2626 +0,0 @@ > -/************************************************************************ > - * FILE NAME : TMSCSIM.C * > - * BY : C.L. Huang, [email protected] * > - * Description: Device Driver for Tekram DC-390(T) PCI SCSI * > - * Bus Master Host Adapter * > - * (C)Copyright 1995-1996 Tekram Technology Co., Ltd. > * > - ************************************************************************ > - * (C) Copyright: put under GNU GPL in 10/96 * > - * (see Documentation/scsi/tmscsim.txt) * > - ************************************************************************ > - * $Id: tmscsim.c,v 2.60.2.30 2000/12/20 01:07:12 garloff Exp $ > * > - * Enhancements and bugfixes by * > - * Kurt Garloff <[email protected]> <[email protected]> * > - ************************************************************************ > - * HISTORY: * > - * * > - * REV# DATE NAME DESCRIPTION * > - * 1.00 96/04/24 CLH First release * > - * 1.01 96/06/12 CLH Fixed bug of Media Change for Removable * > - * Device, scan all LUN. Support Pre2.0.10 * > - * 1.02 96/06/18 CLH Fixed bug of Command timeout ... * > - * 1.03 96/09/25 KG Added tmscsim_proc_info() * > - * 1.04 96/10/11 CLH Updating for support KV 2.0.x * > - * 1.05 96/10/18 KG Fixed bug in DC390_abort(null ptr deref)* > - * 1.06 96/10/25 KG Fixed module support * > - * 1.07 96/11/09 KG Fixed tmscsim_proc_info() * > - * 1.08 96/11/18 KG Fixed null ptr in DC390_Disconnect() * > - * 1.09 96/11/30 KG Added register the allocated IO space * > - * 1.10 96/12/05 CLH Modified tmscsim_proc_info(), and reset * > - * pending interrupt in DC390_detect() * > - * 1.11 97/02/05 KG/CLH Fixeds problem with partitions greater * > - * than 1GB * > - * 1.12 98/02/15 MJ Rewritten PCI probing * > - * 1.13 98/04/08 KG Support for non DC390, __initfunc decls,* > - * changed max devs from 10 to 16 * > - * 1.14a 98/05/05 KG Dynamic DCB allocation, add-single-dev * > - * for LUNs if LUN_SCAN (BIOS) not set * > - * runtime config using /proc interface * > - * 1.14b 98/05/06 KG eliminated cli (); sti (); spinlocks * > - * 1.14c 98/05/07 KG 2.0.x compatibility * > - * 1.20a 98/05/07 KG changed names of funcs to be consistent * > - * DC390_ (entry points), dc390_ (internal)* > - * reworked locking * > - * 1.20b 98/05/12 KG bugs: version, kfree, _ctmp * > - * debug output * > - * 1.20c 98/05/12 KG bugs: kfree, parsing, EEpromDefaults * > - * 1.20d 98/05/14 KG bugs: list linkage, clear flag after * > - * reset on startup, code cleanup * > - * 1.20e 98/05/15 KG spinlock comments, name space cleanup * > - * pLastDCB now part of ACB structure * > - * added stats, timeout for 2.1, TagQ bug * > - * RESET and INQUIRY interface commands * > - * 1.20f 98/05/18 KG spinlocks fixes, max_lun fix, free DCBs * > - * for missing LUNs, pending int * > - * 1.20g 98/05/19 KG Clean up: Avoid short * > - * 1.20h 98/05/21 KG Remove AdaptSCSIID, max_lun ... * > - * 1.20i 98/05/21 KG Aiiie: Bug with TagQMask * > - * 1.20j 98/05/24 KG Handle STAT_BUSY, handle pACB->pLinkDCB * > - * == 0 in remove_dev and DoingSRB_Done * > - * 1.20k 98/05/25 KG DMA_INT (experimental) * > - * 1.20l 98/05/27 KG remove DMA_INT; DMA_IDLE cmds added; * > - * 1.20m 98/06/10 KG glitch configurable; made some global * > - * vars part of ACB; use DC390_readX * > - * 1.20n 98/06/11 KG startup params * > - * 1.20o 98/06/15 KG added TagMaxNum to boot/module params * > - * Device Nr -> Idx, TagMaxNum power of 2 * > - * 1.20p 98/06/17 KG Docu updates. Reset depends on settings * > - * pci_set_master added; 2.0.xx: pcibios_* * > - * used instead of MechNum things ... * > - * 1.20q 98/06/23 KG Changed defaults. Added debug code for * > - * removable media and fixed it. TagMaxNum * > - * fixed for DC390. Locking: ACB, DRV for * > - * better IRQ sharing. Spelling: Queueing * > - * Parsing and glitch_cfg changes. Display * > - * real SyncSpeed value. Made DisConn * > - * functional (!) * > - * 1.20r 98/06/30 KG Debug macros, allow disabling DsCn, set * > - * BIT4 in CtrlR4, EN_PAGE_INT, 2.0 module * > - * param -1 fixed. * > - * 1.20s 98/08/20 KG Debug info on abort(), try to check PCI,* > - * phys_to_bus instead of phys_to_virt, * > - * fixed sel. process, fixed locking, * > - * added MODULE_XXX infos, changed IRQ * > - * request flags, disable DMA_INT * > - * 1.20t 98/09/07 KG TagQ report fixed; Write Erase DMA Stat;* > - * initfunc -> __init; better abort; * > - * Timeout for XFER_DONE & BLAST_COMPLETE; * > - * Allow up to 33 commands being processed * > - * 2.0a 98/10/14 KG Max Cmnds back to 17. DMA_Stat clearing * > - * all flags. Clear within while() loops * > - * in DataIn_0/Out_0. Null ptr in dumpinfo * > - * for pSRB==0. Better locking during init.* > - * bios_param() now respects part. table. * > - * 2.0b 98/10/24 KG Docu fixes. Timeout Msg in DMA Blast. * > - * Disallow illegal idx in INQUIRY/REMOVE * > - * 2.0c 98/11/19 KG Cleaned up detect/init for SMP boxes, * > - * Write Erase DMA (1.20t) caused problems * > - * 2.0d 98/12/25 KG Christmas release ;-) Message handling * > - * completely reworked. Handle target ini- * > - * tiated SDTR correctly. * > - * 2.0d1 99/01/25 KG Try to handle RESTORE_PTR * > - * 2.0d2 99/02/08 KG Check for failure of kmalloc, correct * > - * inclusion of scsicam.h, DelayReset * > - * 2.0d3 99/05/31 KG DRIVER_OK -> DID_OK, DID_NO_CONNECT, * > - * detect Target mode and warn. * > - * pcmd->result handling cleaned up. * > - * 2.0d4 99/06/01 KG Cleaned selection process. Found bug * > - * which prevented more than 16 tags. Now: * > - * 24. SDTR cleanup. Cleaner multi-LUN * > - * handling. Don't modify ControlRegs/FIFO * > - * when connected. * > - * 2.0d5 99/06/01 KG Clear DevID, Fix INQUIRY after cfg chg. * > - * 2.0d6 99/06/02 KG Added ADD special command to allow cfg. * > - * before detection. Reset SYNC_NEGO_DONE * > - * after a bus reset. * > - * 2.0d7 99/06/03 KG Fixed bugs wrt add,remove commands * > - * 2.0d8 99/06/04 KG Removed copying of cmnd into CmdBlock. * > - * Fixed Oops in _release(). * > - * 2.0d9 99/06/06 KG Also tag queue INQUIRY, T_U_R, ... * > - * Allow arb. no. of Tagged Cmnds. Max 32 * > - * 2.0d1099/06/20 KG TagMaxNo changes now honoured! Queueing * > - * clearified (renamed ..) TagMask handling* > - * cleaned. * > - * 2.0d1199/06/28 KG cmd->result now identical to 2.0d2 * > - * 2.0d1299/07/04 KG Changed order of processing in IRQ * > - * 2.0d1399/07/05 KG Don't update DCB fields if removed * > - * 2.0d1499/07/05 KG remove_dev: Move kfree() to the end * > - * 2.0d1599/07/12 KG use_new_eh_code: 0, ULONG -> UINT where * > - * appropriate * > - * 2.0d1699/07/13 KG Reenable StartSCSI interrupt, Retry msg * > - * 2.0d1799/07/15 KG Remove debug msg. Disable recfg. when * > - * there are queued cmnds * > - * 2.0d1899/07/18 KG Selection timeout: Don't requeue * > - * 2.0d1999/07/18 KG Abort: Only call scsi_done if dequeued * > - * 2.0d2099/07/19 KG Rst_Detect: DoingSRB_Done * > - * 2.0d2199/08/15 KG dev_id for request/free_irq, cmnd[0] for* > - * RETRY, SRBdone does DID_ABORT for the * > - * cmd passed by DC390_reset() * > - * 2.0d2299/08/25 KG dev_id fixed. can_queue: 42 * > - * 2.0d2399/08/25 KG Removed some debugging code. dev_id * > - * now is set to pACB. Use u8,u16,u32. * > - * 2.0d2499/11/14 KG Unreg. I/O if failed IRQ alloc. Call * > - * done () w/ DID_BAD_TARGET in case of * > - * missing DCB. We are old EH!! * > - * 2.0d2500/01/15 KG 2.3.3x compat from Andreas Schultz * > - * set unique_id. Disable RETRY message. * > - * 2.0d2600/01/29 KG Go to new EH. * > - * 2.0d2700/01/31 KG ... but maintain 2.0 compat. * > - * and fix DCB freeing * > - * 2.0d2800/02/14 KG Queue statistics fixed, dump special cmd* > - * Waiting_Timer for failed StartSCSI * > - * New EH: Don't return cmnds to ML on RST * > - * Use old EH (don't have new EH fns yet) * > - * Reset: Unlock, but refuse to queue * > - * 2.3 __setup function * > - * 2.0e 00/05/22 KG Return residual for 2.3 * > - * 2.0e1 00/05/25 KG Compile fixes for 2.3.99 * > - * 2.0e2 00/05/27 KG Jeff Garzik's pci_enable_device() * > - * 2.0e3 00/09/29 KG Some 2.4 changes. Don't try Sync Nego * > - * before INQUIRY has reported ability. * > - * Recognise INQUIRY as scanning command. * > - * 2.0e4 00/10/13 KG Allow compilation into 2.4 kernel * > - * 2.0e5 00/11/17 KG Store Inq.flags in DCB * > - * 2.0e6 00/11/22 KG 2.4 init function (Thx to O.Schumann) * > - * 2.4 PCI device table (Thx to A.Richter) * > - * 2.0e7 00/11/28 KG Allow overriding of BIOS settings * > - * 2.0f 00/12/20 KG Handle failed INQUIRYs during scan * > - * 2.1a 03/11/29 GL, KG Initial fixing for 2.6. Convert to * > - * use the current PCI-mapping API, update * > - * command-queuing. * > - * 2.1b 04/04/13 GL Fix for 64-bit platforms * > - * 2.1b1 04/01/31 GL (applied 05.04) Remove internal * > - * command-queuing. * > - * 2.1b2 04/02/01 CH (applied 05.04) Fix error-handling * > - * 2.1c 04/05/23 GL Update to use the new pci_driver API, * > - * some scsi EH updates, more cleanup. * > - * 2.1d 04/05/27 GL Moved setting of scan_devices to * > - * slave_alloc/_configure/_destroy, as * > - * suggested by CH. * > - ***********************************************************************/ > - > -/* DEBUG options */ > -//#define DC390_DEBUG0 > -//#define DC390_DEBUG1 > -//#define DC390_DCBDEBUG > -//#define DC390_PARSEDEBUG > -//#define DC390_REMOVABLEDEBUG > -//#define DC390_LOCKDEBUG > - > -//#define NOP do{}while(0) > -#define C_NOP > - > -/* Debug definitions */ > -#ifdef DC390_DEBUG0 > -# define DEBUG0(x) x > -#else > -# define DEBUG0(x) C_NOP > -#endif > -#ifdef DC390_DEBUG1 > -# define DEBUG1(x) x > -#else > -# define DEBUG1(x) C_NOP > -#endif > -#ifdef DC390_DCBDEBUG > -# define DCBDEBUG(x) x > -#else > -# define DCBDEBUG(x) C_NOP > -#endif > -#ifdef DC390_PARSEDEBUG > -# define PARSEDEBUG(x) x > -#else > -# define PARSEDEBUG(x) C_NOP > -#endif > -#ifdef DC390_REMOVABLEDEBUG > -# define REMOVABLEDEBUG(x) x > -#else > -# define REMOVABLEDEBUG(x) C_NOP > -#endif > -#define DCBDEBUG1(x) C_NOP > - > -#include <linux/module.h> > -#include <linux/delay.h> > -#include <linux/signal.h> > -#include <linux/errno.h> > -#include <linux/kernel.h> > -#include <linux/ioport.h> > -#include <linux/pci.h> > -#include <linux/proc_fs.h> > -#include <linux/string.h> > -#include <linux/mm.h> > -#include <linux/blkdev.h> > -#include <linux/timer.h> > -#include <linux/interrupt.h> > -#include <linux/init.h> > -#include <linux/spinlock.h> > -#include <linux/slab.h> > -#include <asm/io.h> > - > -#include <scsi/scsi.h> > -#include <scsi/scsi_cmnd.h> > -#include <scsi/scsi_device.h> > -#include <scsi/scsi_host.h> > -#include <scsi/scsicam.h> > -#include <scsi/scsi_tcq.h> > - > -#define DC390_BANNER "Tekram DC390/AM53C974" > -#define DC390_VERSION "2.1d 2004-05-27" > - > -#define PCI_DEVICE_ID_AMD53C974 PCI_DEVICE_ID_AMD_SCSI > - > -#include "tmscsim.h" > - > - > -static void dc390_DataOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, > u8 *psstatus); > -static void dc390_DataIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, > u8 *psstatus); > -static void dc390_Command_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, > u8 *psstatus); > -static void dc390_Status_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, > u8 *psstatus); > -static void dc390_MsgOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, > u8 *psstatus); > -static void dc390_MsgIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, > u8 *psstatus); > -static void dc390_DataOutPhase( struct dc390_acb* pACB, struct dc390_srb* > pSRB, u8 *psstatus); > -static void dc390_DataInPhase( struct dc390_acb* pACB, struct dc390_srb* > pSRB, u8 *psstatus); > -static void dc390_CommandPhase( struct dc390_acb* pACB, struct dc390_srb* > pSRB, u8 *psstatus); > -static void dc390_StatusPhase( struct dc390_acb* pACB, struct dc390_srb* > pSRB, u8 *psstatus); > -static void dc390_MsgOutPhase( struct dc390_acb* pACB, struct dc390_srb* > pSRB, u8 *psstatus); > -static void dc390_MsgInPhase( struct dc390_acb* pACB, struct dc390_srb* > pSRB, u8 *psstatus); > -static void dc390_Nop_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 > *psstatus); > -static void dc390_Nop_1( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 > *psstatus); > - > -static void dc390_SetXferRate( struct dc390_acb* pACB, struct dc390_dcb* > pDCB ); > -static void dc390_Disconnect( struct dc390_acb* pACB ); > -static void dc390_Reselect( struct dc390_acb* pACB ); > -static void dc390_SRBdone( struct dc390_acb* pACB, struct dc390_dcb* pDCB, > struct dc390_srb* pSRB ); > -static void dc390_ScsiRstDetect( struct dc390_acb* pACB ); > -static void dc390_EnableMsgOut_Abort(struct dc390_acb*, struct dc390_srb*); > -static void dc390_dumpinfo(struct dc390_acb* pACB, struct dc390_dcb* pDCB, > struct dc390_srb* pSRB); > -static void dc390_ResetDevParam(struct dc390_acb* pACB); > - > -static u32 dc390_laststatus = 0; > -static u8 dc390_adapterCnt = 0; > - > -static int disable_clustering; > -module_param(disable_clustering, int, S_IRUGO); > -MODULE_PARM_DESC(disable_clustering, "If you experience problems with your > devices, try setting to 1"); > - > -/* Startup values, to be overriden on the commandline */ > -static int tmscsim[] = {-2, -2, -2, -2, -2, -2}; > - > -module_param_array(tmscsim, int, NULL, 0); > -MODULE_PARM_DESC(tmscsim, "Host SCSI ID, Speed (0=10MHz), Device Flags, > Adapter Flags, Max Tags (log2(tags)-1), DelayReset (s)"); > -MODULE_AUTHOR("C.L. Huang / Kurt Garloff"); > -MODULE_DESCRIPTION("SCSI host adapter driver for Tekram DC390 and other > AMD53C974A based PCI SCSI adapters"); > -MODULE_LICENSE("GPL"); > -MODULE_SUPPORTED_DEVICE("sd,sr,sg,st"); > - > -static void *dc390_phase0[]={ > - dc390_DataOut_0, > - dc390_DataIn_0, > - dc390_Command_0, > - dc390_Status_0, > - dc390_Nop_0, > - dc390_Nop_0, > - dc390_MsgOut_0, > - dc390_MsgIn_0, > - dc390_Nop_1 > - }; > - > -static void *dc390_phase1[]={ > - dc390_DataOutPhase, > - dc390_DataInPhase, > - dc390_CommandPhase, > - dc390_StatusPhase, > - dc390_Nop_0, > - dc390_Nop_0, > - dc390_MsgOutPhase, > - dc390_MsgInPhase, > - dc390_Nop_1 > - }; > - > -#ifdef DC390_DEBUG1 > -static char* dc390_p0_str[] = { > - "dc390_DataOut_0", > - "dc390_DataIn_0", > - "dc390_Command_0", > - "dc390_Status_0", > - "dc390_Nop_0", > - "dc390_Nop_0", > - "dc390_MsgOut_0", > - "dc390_MsgIn_0", > - "dc390_Nop_1" > - }; > - > -static char* dc390_p1_str[] = { > - "dc390_DataOutPhase", > - "dc390_DataInPhase", > - "dc390_CommandPhase", > - "dc390_StatusPhase", > - "dc390_Nop_0", > - "dc390_Nop_0", > - "dc390_MsgOutPhase", > - "dc390_MsgInPhase", > - "dc390_Nop_1" > - }; > -#endif > - > -static u8 dc390_eepromBuf[MAX_ADAPTER_NUM][EE_LEN]; > -static u8 dc390_clock_period1[] = {4, 5, 6, 7, 8, 10, 13, 20}; > -static u8 dc390_clock_speed[] = {100,80,67,57,50, 40, 31, 20}; > - > -/*********************************************************************** > - * Functions for the management of the internal structures > - * (DCBs, SRBs, Queueing) > - * > - **********************************************************************/ > -static void inline dc390_start_segment(struct dc390_srb* pSRB) > -{ > - struct scatterlist *psgl = pSRB->pSegmentList; > - > - /* start new sg segment */ > - pSRB->SGBusAddr = sg_dma_address(psgl); > - pSRB->SGToBeXferLen = sg_dma_len(psgl); > -} > - > -static unsigned long inline dc390_advance_segment(struct dc390_srb* pSRB, > u32 residue) > -{ > - unsigned long xfer = pSRB->SGToBeXferLen - residue; > - > - /* xfer more bytes transferred */ > - pSRB->SGBusAddr += xfer; > - pSRB->TotalXferredLen += xfer; > - pSRB->SGToBeXferLen = residue; > - > - return xfer; > -} > - > -static struct dc390_dcb __inline__ *dc390_findDCB ( struct dc390_acb* pACB, > u8 id, u8 lun) > -{ > - struct dc390_dcb* pDCB = pACB->pLinkDCB; if (!pDCB) return NULL; > - while (pDCB->TargetID != id || pDCB->TargetLUN != lun) > - { > - pDCB = pDCB->pNextDCB; > - if (pDCB == pACB->pLinkDCB) > - return NULL; > - } > - DCBDEBUG1( printk (KERN_DEBUG "DCB %p (%02x,%02x) found.\n", \ > - pDCB, pDCB->TargetID, pDCB->TargetLUN)); > - return pDCB; > -} > - > -/* Insert SRB oin top of free list */ > -static __inline__ void dc390_Free_insert (struct dc390_acb* pACB, struct > dc390_srb* pSRB) > -{ > - DEBUG0(printk ("DC390: Free SRB %p\n", pSRB)); > - pSRB->pNextSRB = pACB->pFreeSRB; > - pACB->pFreeSRB = pSRB; > -} > - > -static __inline__ void dc390_Going_append (struct dc390_dcb* pDCB, struct > dc390_srb* pSRB) > -{ > - pDCB->GoingSRBCnt++; > - DEBUG0(printk("DC390: Append SRB %p to Going\n", pSRB)); > - /* Append to the list of Going commands */ > - if( pDCB->pGoingSRB ) > - pDCB->pGoingLast->pNextSRB = pSRB; > - else > - pDCB->pGoingSRB = pSRB; > - > - pDCB->pGoingLast = pSRB; > - /* No next one in sent list */ > - pSRB->pNextSRB = NULL; > -} > - > -static __inline__ void dc390_Going_remove (struct dc390_dcb* pDCB, struct > dc390_srb* pSRB) > -{ > - DEBUG0(printk("DC390: Remove SRB %p from Going\n", pSRB)); > - if (pSRB == pDCB->pGoingSRB) > - pDCB->pGoingSRB = pSRB->pNextSRB; > - else > - { > - struct dc390_srb* psrb = pDCB->pGoingSRB; > - while (psrb && psrb->pNextSRB != pSRB) > - psrb = psrb->pNextSRB; > - if (!psrb) > - { printk (KERN_ERR "DC390: Remove non-ex. SRB %p from Going!\n", > pSRB); return; } > - psrb->pNextSRB = pSRB->pNextSRB; > - if (pSRB == pDCB->pGoingLast) > - pDCB->pGoingLast = psrb; > - } > - pDCB->GoingSRBCnt--; > -} > - > -static struct scatterlist* dc390_sg_build_single(struct scatterlist *sg, > void *addr, unsigned int length) > -{ > - sg_init_one(sg, addr, length); > - return sg; > -} > - > -/* Create pci mapping */ > -static int dc390_pci_map (struct dc390_srb* pSRB) > -{ > - int error = 0; > - struct scsi_cmnd *pcmd = pSRB->pcmd; > - struct pci_dev *pdev = pSRB->pSRBDCB->pDCBACB->pdev; > - dc390_cmd_scp_t* cmdp = ((dc390_cmd_scp_t*)(&pcmd->SCp)); > - > - /* Map sense buffer */ > - if (pSRB->SRBFlag & AUTO_REQSENSE) { > - pSRB->pSegmentList = > dc390_sg_build_single(&pSRB->Segmentx, pcmd->sense_buffer, > SCSI_SENSE_BUFFERSIZE); > - pSRB->SGcount = pci_map_sg(pdev, pSRB->pSegmentList, > 1, > - DMA_FROM_DEVICE); > - cmdp->saved_dma_handle = sg_dma_address(pSRB->pSegmentList); > - > - /* TODO: error handling */ > - if (pSRB->SGcount != 1) > - error = 1; > - DEBUG1(printk("%s(): Mapped sense buffer %p at %x\n", __func__, > pcmd->sense_buffer, cmdp->saved_dma_handle)); > - /* Map SG list */ > - } else if (scsi_sg_count(pcmd)) { > - int nseg; > - > - nseg = scsi_dma_map(pcmd); > - > - pSRB->pSegmentList = scsi_sglist(pcmd); > - pSRB->SGcount = nseg; > - > - /* TODO: error handling */ > - if (nseg < 0) > - error = 1; > - DEBUG1(printk("%s(): Mapped SG %p with %d (%d) elements\n",\ > - __func__, scsi_sglist(pcmd), nseg, > scsi_sg_count(pcmd))); > - /* Map single segment */ > - } else > - pSRB->SGcount = 0; > - > - return error; > -} > - > -/* Remove pci mapping */ > -static void dc390_pci_unmap (struct dc390_srb* pSRB) > -{ > - struct scsi_cmnd *pcmd = pSRB->pcmd; > - struct pci_dev *pdev = pSRB->pSRBDCB->pDCBACB->pdev; > - DEBUG1(dc390_cmd_scp_t* cmdp = ((dc390_cmd_scp_t*)(&pcmd->SCp))); > - > - if (pSRB->SRBFlag) { > - pci_unmap_sg(pdev, &pSRB->Segmentx, 1, DMA_FROM_DEVICE); > - DEBUG1(printk("%s(): Unmapped sense buffer at %x\n", __func__, > cmdp->saved_dma_handle)); > - } else { > - scsi_dma_unmap(pcmd); > - DEBUG1(printk("%s(): Unmapped SG at %p with %d elements\n", > - __func__, scsi_sglist(pcmd), > scsi_sg_count(pcmd))); > - } > -} > - > -static void __inline__ > -dc390_freetag (struct dc390_dcb* pDCB, struct dc390_srb* pSRB) > -{ > - if (pSRB->TagNumber != SCSI_NO_TAG) { > - pDCB->TagMask &= ~(1 << pSRB->TagNumber); /* free tag mask */ > - pSRB->TagNumber = SCSI_NO_TAG; > - } > -} > - > - > -static int > -dc390_StartSCSI( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct > dc390_srb* pSRB ) > -{ > - struct scsi_cmnd *scmd = pSRB->pcmd; > - struct scsi_device *sdev = scmd->device; > - u8 cmd, disc_allowed, try_sync_nego; > - > - pSRB->ScsiPhase = SCSI_NOP0; > - > - if (pACB->Connected) > - { > - // Should not happen normally > - printk (KERN_WARNING "DC390: Can't select when connected! > (%08x,%02x)\n", > - pSRB->SRBState, pSRB->SRBFlag); > - pSRB->SRBState = SRB_READY; > - pACB->SelConn++; > - return 1; > - } > - if (time_before (jiffies, pACB->last_reset)) > - { > - DEBUG0(printk ("DC390: We were just reset and don't accept commands > yet!\n")); > - return 1; > - } > - /* KG: Moved pci mapping here */ > - dc390_pci_map(pSRB); > - /* TODO: error handling */ > - DC390_write8 (Scsi_Dest_ID, pDCB->TargetID); > - DC390_write8 (Sync_Period, pDCB->SyncPeriod); > - DC390_write8 (Sync_Offset, pDCB->SyncOffset); > - DC390_write8 (CtrlReg1, pDCB->CtrlR1); > - DC390_write8 (CtrlReg3, pDCB->CtrlR3); > - DC390_write8 (CtrlReg4, pDCB->CtrlR4); > - DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); /* Flush FIFO */ > - DEBUG1(printk (KERN_INFO "DC390: Start SCSI command: %02x > (Sync:%02x)\n",\ > - scmd->cmnd[0], pDCB->SyncMode)); > - > - /* Don't disconnect on AUTO_REQSENSE, cause it might be an > - * Contingent Allegiance Condition (6.6), where no tags should be used. > - * All other have to be allowed to disconnect to prevent Incorrect > - * Initiator Connection (6.8.2/6.5.2) */ > - /* Changed KG, 99/06/06 */ > - if (! (pSRB->SRBFlag & AUTO_REQSENSE)) > - disc_allowed = pDCB->DevMode & EN_DISCONNECT_; > - else > - disc_allowed = 0; > - > - if ((pDCB->SyncMode & SYNC_ENABLE) && pDCB->TargetLUN == 0 && sdev->sdtr > && > - (((scmd->cmnd[0] == REQUEST_SENSE || (pSRB->SRBFlag & AUTO_REQSENSE)) && > - !(pDCB->SyncMode & SYNC_NEGO_DONE)) || scmd->cmnd[0] == INQUIRY)) > - try_sync_nego = 1; > - else > - try_sync_nego = 0; > - > - pSRB->MsgCnt = 0; > - cmd = SEL_W_ATN; > - DC390_write8 (ScsiFifo, IDENTIFY(disc_allowed, pDCB->TargetLUN)); > - /* Change 99/05/31: Don't use tags when not disconnecting (BUSY) */ > - if ((pDCB->SyncMode & EN_TAG_QUEUEING) && disc_allowed && (scmd->flags & > SCMD_TAGGED)) { > - DC390_write8(ScsiFifo, MSG_SIMPLE_TAG); > - pDCB->TagMask |= 1 << scmd->request->tag; > - pSRB->TagNumber = scmd->request->tag; > - DC390_write8(ScsiFifo, scmd->request->tag); > - DEBUG1(printk(KERN_INFO "DC390: Select w/DisCn for SRB %p, block tag > %02x\n", pSRB, tag[1])); > - cmd = SEL_W_ATN3; > - } else { > - /* No TagQ */ > -//no_tag: > - DEBUG1(printk(KERN_INFO "DC390: Select w%s/DisCn for SRB %p, No > TagQ\n", disc_allowed ? "" : "o", pSRB)); > - } > - > - pSRB->SRBState = SRB_START_; > - > - if (try_sync_nego) > - { > - u8 Sync_Off = pDCB->SyncOffset; > - DEBUG0(printk (KERN_INFO "DC390: NEW Sync Nego code triggered (%i > %i)\n", pDCB->TargetID, pDCB->TargetLUN)); > - pSRB->MsgOutBuf[0] = EXTENDED_MESSAGE; > - pSRB->MsgOutBuf[1] = 3; > - pSRB->MsgOutBuf[2] = EXTENDED_SDTR; > - pSRB->MsgOutBuf[3] = pDCB->NegoPeriod; > - if (!(Sync_Off & 0x0f)) Sync_Off = SYNC_NEGO_OFFSET; > - pSRB->MsgOutBuf[4] = Sync_Off; > - pSRB->MsgCnt = 5; > - //pSRB->SRBState = SRB_MSGOUT_; > - pSRB->SRBState |= DO_SYNC_NEGO; > - cmd = SEL_W_ATN_STOP; > - } > - > - /* Command is written in CommandPhase, if SEL_W_ATN_STOP ... */ > - if (cmd != SEL_W_ATN_STOP) > - { > - if( pSRB->SRBFlag & AUTO_REQSENSE ) > - { > - DC390_write8 (ScsiFifo, REQUEST_SENSE); > - DC390_write8 (ScsiFifo, pDCB->TargetLUN << 5); > - DC390_write8 (ScsiFifo, 0); > - DC390_write8 (ScsiFifo, 0); > - DC390_write8 (ScsiFifo, SCSI_SENSE_BUFFERSIZE); > - DC390_write8 (ScsiFifo, 0); > - DEBUG1(printk (KERN_DEBUG "DC390: AutoReqSense !\n")); > - } > - else /* write cmnd to bus */ > - { > - u8 *ptr; u8 i; > - ptr = (u8 *)scmd->cmnd; > - for (i = 0; i < scmd->cmd_len; i++) > - DC390_write8 (ScsiFifo, *(ptr++)); > - } > - } > - DEBUG0(if (pACB->pActiveDCB) \ > - printk (KERN_WARNING "DC390: ActiveDCB != 0\n")); > - DEBUG0(if (pDCB->pActiveSRB) \ > - printk (KERN_WARNING "DC390: ActiveSRB != 0\n")); > - //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD); > - if (DC390_read8 (Scsi_Status) & INTERRUPT) > - { > - dc390_freetag (pDCB, pSRB); > - DEBUG0(printk ("DC390: Interrupt during Start SCSI (target > %02i-%02i)\n", > - scmd->device->id, (u8)scmd->device->lun)); > - pSRB->SRBState = SRB_READY; > - //DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); > - pACB->SelLost++; > - return 1; > - } > - DC390_write8 (ScsiCmd, cmd); > - pACB->pActiveDCB = pDCB; > - pDCB->pActiveSRB = pSRB; > - pACB->Connected = 1; > - pSRB->ScsiPhase = SCSI_NOP1; > - return 0; > -} > - > - > -static void __inline__ > -dc390_InvalidCmd(struct dc390_acb* pACB) > -{ > - if (pACB->pActiveDCB->pActiveSRB->SRBState & (SRB_START_ | SRB_MSGOUT)) > - DC390_write8(ScsiCmd, CLEAR_FIFO_CMD); > -} > - > - > -static irqreturn_t __inline__ > -DC390_Interrupt(void *dev_id) > -{ > - struct dc390_acb *pACB = dev_id; > - struct dc390_dcb *pDCB; > - struct dc390_srb *pSRB; > - u8 sstatus=0; > - u8 phase; > - void (*stateV)( struct dc390_acb*, struct dc390_srb*, u8 *); > - u8 istate, istatus; > - > - sstatus = DC390_read8 (Scsi_Status); > - if( !(sstatus & INTERRUPT) ) > - return IRQ_NONE; > - > - DEBUG1(printk (KERN_DEBUG "sstatus=%02x,", sstatus)); > - > - //DC390_write32 (DMA_ScsiBusCtrl, WRT_ERASE_DMA_STAT | > EN_INT_ON_PCI_ABORT); > - //dstatus = DC390_read8 (DMA_Status); > - //DC390_write32 (DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT); > - > - spin_lock_irq(pACB->pScsiHost->host_lock); > - > - istate = DC390_read8 (Intern_State); > - istatus = DC390_read8 (INT_Status); /* This clears Scsi_Status, > Intern_State and INT_Status ! */ > - > - DEBUG1(printk (KERN_INFO > "Istatus(Res,Inv,Dis,Serv,Succ,ReS,SelA,Sel)=%02x,",istatus)); > - dc390_laststatus &= ~0x00ffffff; > - dc390_laststatus |= /* dstatus<<24 | */ sstatus<<16 | istate<<8 | > istatus; > - > - if (sstatus & ILLEGAL_OP_ERR) > - { > - printk ("DC390: Illegal Operation detected (%08x)!\n", > dc390_laststatus); > - dc390_dumpinfo (pACB, pACB->pActiveDCB, pACB->pActiveDCB->pActiveSRB); > - } > - > - else if (istatus & INVALID_CMD) > - { > - printk ("DC390: Invalid Command detected (%08x)!\n", dc390_laststatus); > - dc390_InvalidCmd( pACB ); > - goto unlock; > - } > - > - if (istatus & SCSI_RESET) > - { > - dc390_ScsiRstDetect( pACB ); > - goto unlock; > - } > - > - if (istatus & DISCONNECTED) > - { > - dc390_Disconnect( pACB ); > - goto unlock; > - } > - > - if (istatus & RESELECTED) > - { > - dc390_Reselect( pACB ); > - goto unlock; > - } > - > - else if (istatus & (SELECTED | SEL_ATTENTION)) > - { > - printk (KERN_ERR "DC390: Target mode not supported!\n"); > - goto unlock; > - } > - > - if (istatus & (SUCCESSFUL_OP|SERVICE_REQUEST) ) > - { > - pDCB = pACB->pActiveDCB; > - if (!pDCB) > - { > - printk (KERN_ERR "DC390: Suc. op/ Serv. req: pActiveDCB = > 0!\n"); > - goto unlock; > - } > - pSRB = pDCB->pActiveSRB; > - if( pDCB->DCBFlag & ABORT_DEV_ ) > - dc390_EnableMsgOut_Abort (pACB, pSRB); > - > - phase = pSRB->ScsiPhase; > - DEBUG1(printk (KERN_INFO "DC390: [%i]%s(0) (%02x)\n", phase, > dc390_p0_str[phase], sstatus)); > - stateV = (void *) dc390_phase0[phase]; > - ( *stateV )( pACB, pSRB, &sstatus ); > - > - pSRB->ScsiPhase = sstatus & 7; > - phase = (u8) sstatus & 7; > - DEBUG1(printk (KERN_INFO "DC390: [%i]%s(1) (%02x)\n", phase, > dc390_p1_str[phase], sstatus)); > - stateV = (void *) dc390_phase1[phase]; > - ( *stateV )( pACB, pSRB, &sstatus ); > - } > - > - unlock: > - spin_unlock_irq(pACB->pScsiHost->host_lock); > - return IRQ_HANDLED; > -} > - > -static irqreturn_t do_DC390_Interrupt(int irq, void *dev_id) > -{ > - irqreturn_t ret; > - DEBUG1(printk (KERN_INFO "DC390: Irq (%i) caught: ", irq)); > - /* Locking is done in DC390_Interrupt */ > - ret = DC390_Interrupt(dev_id); > - DEBUG1(printk (".. IRQ returned\n")); > - return ret; > -} > - > -static void > -dc390_DataOut_0(struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) > -{ > - u8 sstatus; > - u32 ResidCnt; > - u8 dstate = 0; > - > - sstatus = *psstatus; > - > - if( !(pSRB->SRBState & SRB_XFERPAD) ) > - { > - if( sstatus & (PARITY_ERR | ILLEGAL_OP_ERR) ) > - pSRB->SRBStatus |= PARITY_ERROR; > - > - if( sstatus & COUNT_2_ZERO ) > - { > - unsigned long timeout = jiffies + HZ; > - > - /* Function called from the ISR with the host_lock held and > interrupts disabled */ > - if (pSRB->SGToBeXferLen) > - while (time_before(jiffies, timeout) && !((dstate = DC390_read8 > (DMA_Status)) & DMA_XFER_DONE)) { > - spin_unlock_irq(pACB->pScsiHost->host_lock); > - udelay(50); > - spin_lock_irq(pACB->pScsiHost->host_lock); > - } > - if (!time_before(jiffies, timeout)) > - printk (KERN_CRIT "DC390: Deadlock in DataOut_0: DMA aborted > unfinished: %06x bytes remain!!\n", > - DC390_read32 (DMA_Wk_ByteCntr)); > - dc390_laststatus &= ~0xff000000; > - dc390_laststatus |= dstate << 24; > - pSRB->TotalXferredLen += pSRB->SGToBeXferLen; > - pSRB->SGIndex++; > - if( pSRB->SGIndex < pSRB->SGcount ) > - { > - pSRB->pSegmentList++; > - > - dc390_start_segment(pSRB); > - } > - else > - pSRB->SGToBeXferLen = 0; > - } > - else > - { > - ResidCnt = ((u32) DC390_read8 (Current_Fifo) & 0x1f) + > - (((u32) DC390_read8 (CtcReg_High) << 16) | > - ((u32) DC390_read8 (CtcReg_Mid) << 8) | > - (u32) DC390_read8 (CtcReg_Low)); > - > - dc390_advance_segment(pSRB, ResidCnt); > - } > - } > - if ((*psstatus & 7) != SCSI_DATA_OUT) > - { > - DC390_write8 (DMA_Cmd, WRITE_DIRECTION+DMA_IDLE_CMD); > - DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); > - } > -} > - > -static void > -dc390_DataIn_0(struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) > -{ > - u8 sstatus, residual, bval; > - u32 ResidCnt, i; > - unsigned long xferCnt; > - > - sstatus = *psstatus; > - > - if( !(pSRB->SRBState & SRB_XFERPAD) ) > - { > - if( sstatus & (PARITY_ERR | ILLEGAL_OP_ERR)) > - pSRB->SRBStatus |= PARITY_ERROR; > - > - if( sstatus & COUNT_2_ZERO ) > - { > - int dstate = 0; > - unsigned long timeout = jiffies + HZ; > - > - /* Function called from the ISR with the host_lock held and > interrupts disabled */ > - if (pSRB->SGToBeXferLen) > - while (time_before(jiffies, timeout) && !((dstate = DC390_read8 > (DMA_Status)) & DMA_XFER_DONE)) { > - spin_unlock_irq(pACB->pScsiHost->host_lock); > - udelay(50); > - spin_lock_irq(pACB->pScsiHost->host_lock); > - } > - if (!time_before(jiffies, timeout)) { > - printk (KERN_CRIT "DC390: Deadlock in DataIn_0: DMA aborted > unfinished: %06x bytes remain!!\n", > - DC390_read32 (DMA_Wk_ByteCntr)); > - printk (KERN_CRIT "DC390: DataIn_0: DMA State: %i\n", dstate); > - } > - dc390_laststatus &= ~0xff000000; > - dc390_laststatus |= dstate << 24; > - DEBUG1(ResidCnt = ((unsigned long) DC390_read8 (CtcReg_High) << 16) > \ > - + ((unsigned long) DC390_read8 (CtcReg_Mid) << 8) > \ > - + ((unsigned long) DC390_read8 (CtcReg_Low))); > - DEBUG1(printk (KERN_DEBUG "Count_2_Zero > (ResidCnt=%u,ToBeXfer=%lu),", ResidCnt, pSRB->SGToBeXferLen)); > - > - DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); > - > - pSRB->TotalXferredLen += pSRB->SGToBeXferLen; > - pSRB->SGIndex++; > - if( pSRB->SGIndex < pSRB->SGcount ) > - { > - pSRB->pSegmentList++; > - > - dc390_start_segment(pSRB); > - } > - else > - pSRB->SGToBeXferLen = 0; > - } > - else /* phase changed */ > - { > - residual = 0; > - bval = DC390_read8 (Current_Fifo); > - while( bval & 0x1f ) > - { > - DEBUG1(printk (KERN_DEBUG "Check for residuals,")); > - if( (bval & 0x1f) == 1 ) > - { > - for(i=0; i < 0x100; i++) > - { > - bval = DC390_read8 (Current_Fifo); > - if( !(bval & 0x1f) ) > - goto din_1; > - else if( i == 0x0ff ) > - { > - residual = 1; /* ;1 residual byte */ > - goto din_1; > - } > - } > - } > - else > - bval = DC390_read8 (Current_Fifo); > - } > -din_1: > - DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_BLAST_CMD); > - for (i = 0xa000; i; i--) > - { > - bval = DC390_read8 (DMA_Status); > - if (bval & BLAST_COMPLETE) > - break; > - } > - /* It seems a DMA Blast abort isn't that bad ... */ > - if (!i) printk (KERN_ERR "DC390: DMA Blast aborted unfinished!\n"); > - //DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); > - dc390_laststatus &= ~0xff000000; > - dc390_laststatus |= bval << 24; > - > - DEBUG1(printk (KERN_DEBUG "Blast: Read %i times DMA_Status %02x", > 0xa000-i, bval)); > - ResidCnt = (((u32) DC390_read8 (CtcReg_High) << 16) | > - ((u32) DC390_read8 (CtcReg_Mid) << 8)) | > - (u32) DC390_read8 (CtcReg_Low); > - > - xferCnt = dc390_advance_segment(pSRB, ResidCnt); > - > - if (residual) { > - size_t count = 1; > - size_t offset = pSRB->SGBusAddr - > sg_dma_address(pSRB->pSegmentList); > - unsigned long flags; > - u8 *ptr; > - > - bval = DC390_read8 (ScsiFifo); /* get one residual byte */ > - > - local_irq_save(flags); > - ptr = scsi_kmap_atomic_sg(pSRB->pSegmentList, pSRB->SGcount, > &offset, &count); > - if (likely(ptr)) { > - *(ptr + offset) = bval; > - scsi_kunmap_atomic_sg(ptr); > - } > - local_irq_restore(flags); > - WARN_ON(!ptr); > - > - /* 1 more byte read */ > - xferCnt += dc390_advance_segment(pSRB, pSRB->SGToBeXferLen - 1); > - } > - DEBUG1(printk (KERN_DEBUG "Xfered: %lu, Total: %lu, Remaining: > %lu\n", xferCnt,\ > - pSRB->TotalXferredLen, pSRB->SGToBeXferLen)); > - } > - } > - if ((*psstatus & 7) != SCSI_DATA_IN) > - { > - DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); > - DC390_write8 (DMA_Cmd, READ_DIRECTION+DMA_IDLE_CMD); > - } > -} > - > -static void > -dc390_Command_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 > *psstatus) > -{ > -} > - > -static void > -dc390_Status_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) > -{ > - > - pSRB->TargetStatus = DC390_read8 (ScsiFifo); > - //udelay (1); > - pSRB->EndMessage = DC390_read8 (ScsiFifo); /* get message */ > - > - *psstatus = SCSI_NOP0; > - pSRB->SRBState = SRB_COMPLETED; > - DC390_write8 (ScsiCmd, MSG_ACCEPTED_CMD); > -} > - > -static void > -dc390_MsgOut_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) > -{ > - if( pSRB->SRBState & (SRB_UNEXPECT_RESEL+SRB_ABORT_SENT) ) > - *psstatus = SCSI_NOP0; > - //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD); > -} > - > - > -static void __inline__ > -dc390_reprog (struct dc390_acb* pACB, struct dc390_dcb* pDCB) > -{ > - DC390_write8 (Sync_Period, pDCB->SyncPeriod); > - DC390_write8 (Sync_Offset, pDCB->SyncOffset); > - DC390_write8 (CtrlReg3, pDCB->CtrlR3); > - DC390_write8 (CtrlReg4, pDCB->CtrlR4); > - dc390_SetXferRate (pACB, pDCB); > -} > - > - > -#ifdef DC390_DEBUG0 > -static void > -dc390_printMsg (u8 *MsgBuf, u8 len) > -{ > - int i; > - printk (" %02x", MsgBuf[0]); > - for (i = 1; i < len; i++) > - printk (" %02x", MsgBuf[i]); > - printk ("\n"); > -} > -#endif > - > -#define DC390_ENABLE_MSGOUT DC390_write8 (ScsiCmd, SET_ATN_CMD) > - > -/* reject_msg */ > -static void __inline__ > -dc390_MsgIn_reject (struct dc390_acb* pACB, struct dc390_srb* pSRB) > -{ > - pSRB->MsgOutBuf[0] = MESSAGE_REJECT; > - pSRB->MsgCnt = 1; > - DC390_ENABLE_MSGOUT; > - DEBUG0 (printk (KERN_INFO "DC390: Reject message\n")); > -} > - > -/* abort command */ > -static void > -dc390_EnableMsgOut_Abort ( struct dc390_acb* pACB, struct dc390_srb* pSRB ) > -{ > - pSRB->MsgOutBuf[0] = ABORT; > - pSRB->MsgCnt = 1; DC390_ENABLE_MSGOUT; > - pSRB->pSRBDCB->DCBFlag &= ~ABORT_DEV_; > -} > - > -static struct dc390_srb* > -dc390_MsgIn_QTag (struct dc390_acb* pACB, struct dc390_dcb* pDCB, s8 tag) > -{ > - struct dc390_srb* pSRB = pDCB->pGoingSRB; > - > - if (pSRB) > - { > - struct scsi_cmnd *scmd = scsi_find_tag(pSRB->pcmd->device, tag); > - pSRB = (struct dc390_srb *)scmd->host_scribble; > - > - if (pDCB->DCBFlag & ABORT_DEV_) > - { > - pSRB->SRBState = SRB_ABORT_SENT; > - dc390_EnableMsgOut_Abort( pACB, pSRB ); > - } > - > - if (!(pSRB->SRBState & SRB_DISCONNECT)) > - goto mingx0; > - > - pDCB->pActiveSRB = pSRB; > - pSRB->SRBState = SRB_DATA_XFER; > - } > - else > - { > - mingx0: > - pSRB = pACB->pTmpSRB; > - pSRB->SRBState = SRB_UNEXPECT_RESEL; > - pDCB->pActiveSRB = pSRB; > - pSRB->MsgOutBuf[0] = ABORT_TAG; > - pSRB->MsgCnt = 1; DC390_ENABLE_MSGOUT; > - } > - return pSRB; > -} > - > - > -/* set async transfer mode */ > -static void > -dc390_MsgIn_set_async (struct dc390_acb* pACB, struct dc390_srb* pSRB) > -{ > - struct dc390_dcb* pDCB = pSRB->pSRBDCB; > - if (!(pSRB->SRBState & DO_SYNC_NEGO)) > - printk (KERN_INFO "DC390: Target %i initiates Non-Sync?\n", > pDCB->TargetID); > - pSRB->SRBState &= ~DO_SYNC_NEGO; > - pDCB->SyncMode &= ~(SYNC_ENABLE+SYNC_NEGO_DONE); > - pDCB->SyncPeriod = 0; > - pDCB->SyncOffset = 0; > - //pDCB->NegoPeriod = 50; /* 200ns <=> 5 MHz */ > - pDCB->CtrlR3 = FAST_CLK; /* fast clock / normal scsi */ > - pDCB->CtrlR4 &= 0x3f; > - pDCB->CtrlR4 |= pACB->glitch_cfg; /* glitch eater */ > - dc390_reprog (pACB, pDCB); > -} > - > -/* set sync transfer mode */ > -static void > -dc390_MsgIn_set_sync (struct dc390_acb* pACB, struct dc390_srb* pSRB) > -{ > - u8 bval; > - u16 wval, wval1; > - struct dc390_dcb* pDCB = pSRB->pSRBDCB; > - u8 oldsyncperiod = pDCB->SyncPeriod; > - u8 oldsyncoffset = pDCB->SyncOffset; > - > - if (!(pSRB->SRBState & DO_SYNC_NEGO)) > - { > - printk (KERN_INFO "DC390: Target %i initiates Sync: %ins %i ... answer > ...\n", > - pDCB->TargetID, pSRB->MsgInBuf[3]<<2, pSRB->MsgInBuf[4]); > - > - /* reject */ > - //dc390_MsgIn_reject (pACB, pSRB); > - //return dc390_MsgIn_set_async (pACB, pSRB); > - > - /* Reply with corrected SDTR Message */ > - if (pSRB->MsgInBuf[4] > 15) > - { > - printk (KERN_INFO "DC390: Lower Sync Offset to 15\n"); > - pSRB->MsgInBuf[4] = 15; > - } > - if (pSRB->MsgInBuf[3] < pDCB->NegoPeriod) > - { > - printk (KERN_INFO "DC390: Set sync nego period to %ins\n", > pDCB->NegoPeriod << 2); > - pSRB->MsgInBuf[3] = pDCB->NegoPeriod; > - } > - memcpy (pSRB->MsgOutBuf, pSRB->MsgInBuf, 5); > - pSRB->MsgCnt = 5; > - DC390_ENABLE_MSGOUT; > - } > - > - pSRB->SRBState &= ~DO_SYNC_NEGO; > - pDCB->SyncMode |= SYNC_ENABLE+SYNC_NEGO_DONE; > - pDCB->SyncOffset &= 0x0f0; > - pDCB->SyncOffset |= pSRB->MsgInBuf[4]; > - pDCB->NegoPeriod = pSRB->MsgInBuf[3]; > - > - wval = (u16) pSRB->MsgInBuf[3]; > - wval = wval << 2; wval -= 3; wval1 = wval / 25; /* compute speed */ > - if( (wval1 * 25) != wval) wval1++; > - bval = FAST_CLK+FAST_SCSI; /* fast clock / fast scsi */ > - > - pDCB->CtrlR4 &= 0x3f; /* Glitch eater: 12ns less than normal > */ > - if (pACB->glitch_cfg != NS_TO_GLITCH(0)) > - pDCB->CtrlR4 |= NS_TO_GLITCH(((GLITCH_TO_NS(pACB->glitch_cfg)) - 1)); > - else > - pDCB->CtrlR4 |= NS_TO_GLITCH(0); > - if (wval1 < 4) pDCB->CtrlR4 |= NS_TO_GLITCH(0); /* Ultra */ > - > - if (wval1 >= 8) > - { > - wval1--; /* Timing computation differs by 1 from FAST_SCSI */ > - bval = FAST_CLK; /* fast clock / normal scsi */ > - pDCB->CtrlR4 |= pACB->glitch_cfg; /* glitch eater */ > - } > - > - pDCB->CtrlR3 = bval; > - pDCB->SyncPeriod = (u8)wval1; > - > - if ((oldsyncperiod != wval1 || oldsyncoffset != pDCB->SyncOffset) && > pDCB->TargetLUN == 0) > - { > - if (! (bval & FAST_SCSI)) wval1++; > - printk (KERN_INFO "DC390: Target %i: Sync transfer %i.%1i MHz, Offset > %i\n", pDCB->TargetID, > - 40/wval1, ((40%wval1)*10+wval1/2)/wval1, pDCB->SyncOffset & 0x0f); > - } > - > - dc390_reprog (pACB, pDCB); > -} > - > - > -/* handle RESTORE_PTR */ > -/* This doesn't look very healthy... to-be-fixed */ > -static void > -dc390_restore_ptr (struct dc390_acb* pACB, struct dc390_srb* pSRB) > -{ > - struct scsi_cmnd *pcmd = pSRB->pcmd; > - struct scatterlist *psgl; > - pSRB->TotalXferredLen = 0; > - pSRB->SGIndex = 0; > - if (scsi_sg_count(pcmd)) { > - size_t saved; > - pSRB->pSegmentList = scsi_sglist(pcmd); > - psgl = pSRB->pSegmentList; > - //dc390_pci_sync(pSRB); > - > - while (pSRB->TotalXferredLen + (unsigned long) sg_dma_len(psgl) < > pSRB->Saved_Ptr) > - { > - pSRB->TotalXferredLen += (unsigned long) sg_dma_len(psgl); > - pSRB->SGIndex++; > - if( pSRB->SGIndex < pSRB->SGcount ) > - { > - pSRB->pSegmentList++; > - > - dc390_start_segment(pSRB); > - } > - else > - pSRB->SGToBeXferLen = 0; > - } > - > - saved = pSRB->Saved_Ptr - pSRB->TotalXferredLen; > - pSRB->SGToBeXferLen -= saved; > - pSRB->SGBusAddr += saved; > - printk (KERN_INFO "DC390: Pointer restored. Segment %i, Total %li, Bus > %08lx\n", > - pSRB->SGIndex, pSRB->Saved_Ptr, pSRB->SGBusAddr); > - > - } else { > - pSRB->SGcount = 0; > - printk (KERN_INFO "DC390: RESTORE_PTR message for Transfer without > Scatter-Gather ??\n"); > - } > - > - pSRB->TotalXferredLen = pSRB->Saved_Ptr; > -} > - > - > -/* According to the docs, the AM53C974 reads the message and > - * generates a Successful Operation IRQ before asserting ACK for > - * the last byte (how does it know whether it's the last ?) */ > -/* The old code handled it in another way, indicating, that on > - * every message byte an IRQ is generated and every byte has to > - * be manually ACKed. Hmmm ? (KG, 98/11/28) */ > -/* The old implementation was correct. Sigh! */ > - > -/* Check if the message is complete */ > -static u8 __inline__ > -dc390_MsgIn_complete (u8 *msgbuf, u32 len) > -{ > - if (*msgbuf == EXTENDED_MESSAGE) > - { > - if (len < 2) return 0; > - if (len < msgbuf[1] + 2) return 0; > - } > - else if (*msgbuf >= 0x20 && *msgbuf <= 0x2f) // two byte messages > - if (len < 2) return 0; > - return 1; > -} > - > - > - > -/* read and eval received messages */ > -static void > -dc390_MsgIn_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) > -{ > - struct dc390_dcb* pDCB = pACB->pActiveDCB; > - > - /* Read the msg */ > - > - pSRB->MsgInBuf[pACB->MsgLen++] = DC390_read8 (ScsiFifo); > - //pSRB->SRBState = 0; > - > - /* Msg complete ? */ > - if (dc390_MsgIn_complete (pSRB->MsgInBuf, pACB->MsgLen)) > - { > - DEBUG0 (printk (KERN_INFO "DC390: MsgIn:"); dc390_printMsg > (pSRB->MsgInBuf, pACB->MsgLen)); > - /* Now eval the msg */ > - switch (pSRB->MsgInBuf[0]) > - { > - case DISCONNECT: > - pSRB->SRBState = SRB_DISCONNECT; break; > - > - case SIMPLE_QUEUE_TAG: > - case HEAD_OF_QUEUE_TAG: > - case ORDERED_QUEUE_TAG: > - pSRB = dc390_MsgIn_QTag (pACB, pDCB, pSRB->MsgInBuf[1]); > - break; > - > - case MESSAGE_REJECT: > - DC390_write8 (ScsiCmd, RESET_ATN_CMD); > - pDCB->NegoPeriod = 50; /* 200ns <=> 5 MHz */ > - if( pSRB->SRBState & DO_SYNC_NEGO) > - dc390_MsgIn_set_async (pACB, pSRB); > - break; > - > - case EXTENDED_MESSAGE: > - /* reject every extended msg but SDTR */ > - if (pSRB->MsgInBuf[1] != 3 || pSRB->MsgInBuf[2] != EXTENDED_SDTR) > - dc390_MsgIn_reject (pACB, pSRB); > - else > - { > - if (pSRB->MsgInBuf[3] == 0 || pSRB->MsgInBuf[4] == 0) > - dc390_MsgIn_set_async (pACB, pSRB); > - else > - dc390_MsgIn_set_sync (pACB, pSRB); > - } > - > - // nothing has to be done > - case COMMAND_COMPLETE: break; > - > - // SAVE POINTER may be ignored as we have the struct dc390_srb* > associated with the > - // scsi command. Thanks, Gerard, for pointing it out. > - case SAVE_POINTERS: > - pSRB->Saved_Ptr = pSRB->TotalXferredLen; > - break; > - // The device might want to restart transfer with a RESTORE > - case RESTORE_POINTERS: > - DEBUG0(printk ("DC390: RESTORE POINTER message received ... try to > handle\n")); > - dc390_restore_ptr (pACB, pSRB); > - break; > - > - // reject unknown messages > - default: dc390_MsgIn_reject (pACB, pSRB); > - } > - > - /* Clear counter and MsgIn state */ > - pSRB->SRBState &= ~SRB_MSGIN; > - pACB->MsgLen = 0; > - } > - > - *psstatus = SCSI_NOP0; > - DC390_write8 (ScsiCmd, MSG_ACCEPTED_CMD); > - //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD); > -} > - > - > -static void > -dc390_DataIO_Comm( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 ioDir) > -{ > - unsigned long lval; > - struct dc390_dcb* pDCB = pACB->pActiveDCB; > - > - if (pSRB == pACB->pTmpSRB) > - { > - if (pDCB) > - printk(KERN_ERR "DC390: pSRB == pTmpSRB! (TagQ Error?) > (%02i-%i)\n", pDCB->TargetID, pDCB->TargetLUN); > - else > - printk(KERN_ERR "DC390: pSRB == pTmpSRB! (TagQ Error?) (DCB > 0!)\n"); > - > - /* Try to recover - some broken disks react badly to tagged INQUIRY */ > - if (pDCB && pACB->scan_devices && pDCB->GoingSRBCnt == 1) { > - pSRB = pDCB->pGoingSRB; > - pDCB->pActiveSRB = pSRB; > - } else { > - pSRB->pSRBDCB = pDCB; > - dc390_EnableMsgOut_Abort(pACB, pSRB); > - if (pDCB) > - pDCB->DCBFlag |= ABORT_DEV; > - return; > - } > - } > - > - if( pSRB->SGIndex < pSRB->SGcount ) > - { > - DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); > - if( !pSRB->SGToBeXferLen ) > - { > - dc390_start_segment(pSRB); > - > - DEBUG1(printk (KERN_DEBUG " DC390: Next SG segment.")); > - } > - lval = pSRB->SGToBeXferLen; > - DEBUG1(printk (KERN_DEBUG " DC390: Start transfer: %li bytes (address > %08lx)\n", lval, pSRB->SGBusAddr)); > - DC390_write8 (CtcReg_Low, (u8) lval); > - lval >>= 8; > - DC390_write8 (CtcReg_Mid, (u8) lval); > - lval >>= 8; > - DC390_write8 (CtcReg_High, (u8) lval); > - > - DC390_write32 (DMA_XferCnt, pSRB->SGToBeXferLen); > - DC390_write32 (DMA_XferAddr, pSRB->SGBusAddr); > - > - //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); > - pSRB->SRBState = SRB_DATA_XFER; > - > - DC390_write8 (ScsiCmd, DMA_COMMAND+INFO_XFER_CMD); > - > - DC390_write8 (DMA_Cmd, DMA_START_CMD | ioDir); > - //DEBUG1(DC390_write32 (DMA_ScsiBusCtrl, WRT_ERASE_DMA_STAT | > EN_INT_ON_PCI_ABORT)); > - //DEBUG1(printk (KERN_DEBUG "DC390: DMA_Status: %02x\n", DC390_read8 > (DMA_Status))); > - //DEBUG1(DC390_write32 (DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT)); > - } > - else /* xfer pad */ > - { > - if( pSRB->SGcount ) > - { > - pSRB->AdaptStatus = H_OVER_UNDER_RUN; > - pSRB->SRBStatus |= OVER_RUN; > - DEBUG0(printk (KERN_WARNING " DC390: Overrun -")); > - } > - DEBUG0(printk (KERN_WARNING " Clear transfer pad \n")); > - DC390_write8 (CtcReg_Low, 0); > - DC390_write8 (CtcReg_Mid, 0); > - DC390_write8 (CtcReg_High, 0); > - > - pSRB->SRBState |= SRB_XFERPAD; > - DC390_write8 (ScsiCmd, DMA_COMMAND+XFER_PAD_BYTE); > -/* > - DC390_write8 (DMA_Cmd, DMA_IDLE_CMD | ioDir); > - DC390_write8 (DMA_Cmd, DMA_START_CMD | ioDir); > -*/ > - } > -} > - > - > -static void > -dc390_DataOutPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 > *psstatus) > -{ > - dc390_DataIO_Comm (pACB, pSRB, WRITE_DIRECTION); > -} > - > -static void > -dc390_DataInPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 > *psstatus) > -{ > - dc390_DataIO_Comm (pACB, pSRB, READ_DIRECTION); > -} > - > -static void > -dc390_CommandPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 > *psstatus) > -{ > - struct dc390_dcb* pDCB; > - u8 i, cnt; > - u8 *ptr; > - > - DC390_write8 (ScsiCmd, RESET_ATN_CMD); > - DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); > - if( !(pSRB->SRBFlag & AUTO_REQSENSE) ) > - { > - cnt = (u8) pSRB->pcmd->cmd_len; > - ptr = (u8 *) pSRB->pcmd->cmnd; > - for(i=0; i < cnt; i++) > - DC390_write8 (ScsiFifo, *(ptr++)); > - } > - else > - { > - DC390_write8 (ScsiFifo, REQUEST_SENSE); > - pDCB = pACB->pActiveDCB; > - DC390_write8 (ScsiFifo, pDCB->TargetLUN << 5); > - DC390_write8 (ScsiFifo, 0); > - DC390_write8 (ScsiFifo, 0); > - DC390_write8 (ScsiFifo, SCSI_SENSE_BUFFERSIZE); > - DC390_write8 (ScsiFifo, 0); > - DEBUG0(printk(KERN_DEBUG "DC390: AutoReqSense (CmndPhase)!\n")); > - } > - pSRB->SRBState = SRB_COMMAND; > - DC390_write8 (ScsiCmd, INFO_XFER_CMD); > -} > - > -static void > -dc390_StatusPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 > *psstatus) > -{ > - DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); > - pSRB->SRBState = SRB_STATUS; > - DC390_write8 (ScsiCmd, INITIATOR_CMD_CMPLTE); > - //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD); > -} > - > -static void > -dc390_MsgOutPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 > *psstatus) > -{ > - u8 bval, i, cnt; > - u8 *ptr; > - struct dc390_dcb* pDCB; > - > - DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); > - pDCB = pACB->pActiveDCB; > - if( !(pSRB->SRBState & SRB_MSGOUT) ) > - { > - cnt = pSRB->MsgCnt; > - if( cnt ) > - { > - ptr = (u8 *) pSRB->MsgOutBuf; > - for(i=0; i < cnt; i++) > - DC390_write8 (ScsiFifo, *(ptr++)); > - pSRB->MsgCnt = 0; > - if( (pDCB->DCBFlag & ABORT_DEV_) && > - (pSRB->MsgOutBuf[0] == ABORT) ) > - pSRB->SRBState = SRB_ABORT_SENT; > - } > - else > - { > - bval = ABORT; /* ??? MSG_NOP */ > - if( (pSRB->pcmd->cmnd[0] == INQUIRY ) || > - (pSRB->pcmd->cmnd[0] == REQUEST_SENSE) || > - (pSRB->SRBFlag & AUTO_REQSENSE) ) > - { > - if( pDCB->SyncMode & SYNC_ENABLE ) > - goto mop1; > - } > - DC390_write8 (ScsiFifo, bval); > - } > - DC390_write8 (ScsiCmd, INFO_XFER_CMD); > - } > - else > - { > -mop1: > - printk (KERN_ERR "DC390: OLD Sync Nego code triggered! (%i %i)\n", > pDCB->TargetID, pDCB->TargetLUN); > - DC390_write8 (ScsiFifo, EXTENDED_MESSAGE); > - DC390_write8 (ScsiFifo, 3); /* ;length of extended msg */ > - DC390_write8 (ScsiFifo, EXTENDED_SDTR); /* ; sync nego */ > - DC390_write8 (ScsiFifo, pDCB->NegoPeriod); > - if (pDCB->SyncOffset & 0x0f) > - DC390_write8 (ScsiFifo, pDCB->SyncOffset); > - else > - DC390_write8 (ScsiFifo, SYNC_NEGO_OFFSET); > - pSRB->SRBState |= DO_SYNC_NEGO; > - DC390_write8 (ScsiCmd, INFO_XFER_CMD); > - } > -} > - > -static void > -dc390_MsgInPhase( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 > *psstatus) > -{ > - DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); > - if( !(pSRB->SRBState & SRB_MSGIN) ) > - { > - pSRB->SRBState &= ~SRB_DISCONNECT; > - pSRB->SRBState |= SRB_MSGIN; > - } > - DC390_write8 (ScsiCmd, INFO_XFER_CMD); > - //DC390_write8 (DMA_Cmd, DMA_IDLE_CMD); > -} > - > -static void > -dc390_Nop_0( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) > -{ > -} > - > -static void > -dc390_Nop_1( struct dc390_acb* pACB, struct dc390_srb* pSRB, u8 *psstatus) > -{ > -} > - > - > -static void > -dc390_SetXferRate( struct dc390_acb* pACB, struct dc390_dcb* pDCB ) > -{ > - u8 bval, i, cnt; > - struct dc390_dcb* ptr; > - > - if( !(pDCB->TargetLUN) ) > - { > - if( !pACB->scan_devices ) > - { > - ptr = pACB->pLinkDCB; > - cnt = pACB->DCBCnt; > - bval = pDCB->TargetID; > - for(i=0; i<cnt; i++) > - { > - if( ptr->TargetID == bval ) > - { > - ptr->SyncPeriod = pDCB->SyncPeriod; > - ptr->SyncOffset = pDCB->SyncOffset; > - ptr->CtrlR3 = pDCB->CtrlR3; > - ptr->CtrlR4 = pDCB->CtrlR4; > - ptr->SyncMode = pDCB->SyncMode; > - } > - ptr = ptr->pNextDCB; > - } > - } > - } > - return; > -} > - > - > -static void > -dc390_Disconnect( struct dc390_acb* pACB ) > -{ > - struct dc390_dcb *pDCB; > - struct dc390_srb *pSRB, *psrb; > - u8 i, cnt; > - > - DEBUG0(printk(KERN_INFO "DISC,")); > - > - if (!pACB->Connected) printk(KERN_ERR "DC390: Disconnect not-connected > bus?\n"); > - pACB->Connected = 0; > - pDCB = pACB->pActiveDCB; > - if (!pDCB) > - { > - DEBUG0(printk(KERN_ERR "ACB:%p->ActiveDCB:%p IOPort:%04x IRQ:%02x !\n",\ > - pACB, pDCB, pACB->IOPortBase, pACB->IRQLevel)); > - mdelay(400); > - DC390_read8 (INT_Status); /* Reset Pending INT */ > - DC390_write8 (ScsiCmd, EN_SEL_RESEL); > - return; > - } > - DC390_write8 (ScsiCmd, EN_SEL_RESEL); > - pSRB = pDCB->pActiveSRB; > - pACB->pActiveDCB = NULL; > - pSRB->ScsiPhase = SCSI_NOP0; > - if( pSRB->SRBState & SRB_UNEXPECT_RESEL ) > - pSRB->SRBState = 0; > - else if( pSRB->SRBState & SRB_ABORT_SENT ) > - { > - pDCB->TagMask = 0; > - pDCB->DCBFlag = 0; > - cnt = pDCB->GoingSRBCnt; > - pDCB->GoingSRBCnt = 0; > - pSRB = pDCB->pGoingSRB; > - for( i=0; i < cnt; i++) > - { > - psrb = pSRB->pNextSRB; > - dc390_Free_insert (pACB, pSRB); > - pSRB = psrb; > - } > - pDCB->pGoingSRB = NULL; > - } > - else > - { > - if( (pSRB->SRBState & (SRB_START_+SRB_MSGOUT)) || > - !(pSRB->SRBState & (SRB_DISCONNECT+SRB_COMPLETED)) ) > - { /* Selection time out */ > - pSRB->AdaptStatus = H_SEL_TIMEOUT; > - pSRB->TargetStatus = 0; > - goto disc1; > - } > - else if (!(pSRB->SRBState & SRB_DISCONNECT) && (pSRB->SRBState & > SRB_COMPLETED)) > - { > -disc1: > - dc390_freetag (pDCB, pSRB); > - pDCB->pActiveSRB = NULL; > - pSRB->SRBState = SRB_FREE; > - dc390_SRBdone( pACB, pDCB, pSRB); > - } > - } > - pACB->MsgLen = 0; > -} > - > - > -static void > -dc390_Reselect( struct dc390_acb* pACB ) > -{ > - struct dc390_dcb* pDCB; > - struct dc390_srb* pSRB; > - u8 id, lun; > - > - DEBUG0(printk(KERN_INFO "RSEL,")); > - pACB->Connected = 1; > - pDCB = pACB->pActiveDCB; > - if( pDCB ) > - { /* Arbitration lost but Reselection won */ > - DEBUG0(printk ("DC390: (ActiveDCB != 0: Arb. lost but resel. won)!\n")); > - pSRB = pDCB->pActiveSRB; > - if( !( pACB->scan_devices ) ) > - { > - struct scsi_cmnd *pcmd = pSRB->pcmd; > - scsi_set_resid(pcmd, scsi_bufflen(pcmd)); > - SET_RES_DID(pcmd->result, DID_SOFT_ERROR); > - dc390_Going_remove(pDCB, pSRB); > - dc390_Free_insert(pACB, pSRB); > - pcmd->scsi_done (pcmd); > - DEBUG0(printk(KERN_DEBUG"DC390: Return SRB %p to free\n", pSRB)); > - } > - } > - /* Get ID */ > - lun = DC390_read8 (ScsiFifo); > - DEBUG0(printk ("Dev %02x,", lun)); > - if (!(lun & (1 << pACB->pScsiHost->this_id))) > - printk (KERN_ERR "DC390: Reselection must select host adapter: > %02x!\n", lun); > - else > - lun ^= 1 << pACB->pScsiHost->this_id; /* Mask AdapterID */ > - id = 0; while (lun >>= 1) id++; > - /* Get LUN */ > - lun = DC390_read8 (ScsiFifo); > - if (!(lun & IDENTIFY_BASE)) printk (KERN_ERR "DC390: Resel: Expect > identify message!\n"); > - lun &= 7; > - DEBUG0(printk ("(%02i-%i),", id, lun)); > - pDCB = dc390_findDCB (pACB, id, lun); > - if (!pDCB) > - { > - printk (KERN_ERR "DC390: Reselect from non existing device (%02i-%i)\n", > - id, lun); > - return; > - } > - pACB->pActiveDCB = pDCB; > - /* TagQ: We expect a message soon, so never mind the exact SRB */ > - if( pDCB->SyncMode & EN_TAG_QUEUEING ) > - { > - pSRB = pACB->pTmpSRB; > - pDCB->pActiveSRB = pSRB; > - } > - else > - { > - pSRB = pDCB->pActiveSRB; > - if( !pSRB || !(pSRB->SRBState & SRB_DISCONNECT) ) > - { > - pSRB= pACB->pTmpSRB; > - pSRB->SRBState = SRB_UNEXPECT_RESEL; > - printk (KERN_ERR "DC390: Reselect without outstanding cmnd > (%02i-%i)\n", > - id, lun); > - pDCB->pActiveSRB = pSRB; > - dc390_EnableMsgOut_Abort ( pACB, pSRB ); > - } > - else > - { > - if( pDCB->DCBFlag & ABORT_DEV_ ) > - { > - pSRB->SRBState = SRB_ABORT_SENT; > - printk (KERN_INFO "DC390: Reselect: Abort (%02i-%i)\n", > - id, lun); > - dc390_EnableMsgOut_Abort( pACB, pSRB ); > - } > - else > - pSRB->SRBState = SRB_DATA_XFER; > - } > - } > - > - DEBUG1(printk (KERN_DEBUG "Resel SRB(%p): TagNum (%02x)\n", pSRB, > pSRB->TagNumber)); > - pSRB->ScsiPhase = SCSI_NOP0; > - DC390_write8 (Scsi_Dest_ID, pDCB->TargetID); > - DC390_write8 (Sync_Period, pDCB->SyncPeriod); > - DC390_write8 (Sync_Offset, pDCB->SyncOffset); > - DC390_write8 (CtrlReg1, pDCB->CtrlR1); > - DC390_write8 (CtrlReg3, pDCB->CtrlR3); > - DC390_write8 (CtrlReg4, pDCB->CtrlR4); /* ; Glitch eater */ > - DC390_write8 (ScsiCmd, MSG_ACCEPTED_CMD); /* ;to release the /ACK > signal */ > -} > - > -static int __inline__ > -dc390_RequestSense(struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct > dc390_srb* pSRB) > -{ > - struct scsi_cmnd *pcmd; > - > - pcmd = pSRB->pcmd; > - > - REMOVABLEDEBUG(printk(KERN_INFO "DC390: RequestSense(Cmd %02x, Id %02x, > LUN %02x)\n",\ > - pcmd->cmnd[0], pDCB->TargetID, pDCB->TargetLUN)); > - > - pSRB->SRBFlag |= AUTO_REQSENSE; > - pSRB->SavedTotXLen = pSRB->TotalXferredLen; > - pSRB->AdaptStatus = 0; > - pSRB->TargetStatus = 0; /* CHECK_CONDITION<<1; */ > - > - /* We are called from SRBdone, original PCI mapping has been removed > - * already, new one is set up from StartSCSI */ > - pSRB->SGIndex = 0; > - > - pSRB->TotalXferredLen = 0; > - pSRB->SGToBeXferLen = 0; > - return dc390_StartSCSI(pACB, pDCB, pSRB); > -} > - > - > -static void > -dc390_SRBdone( struct dc390_acb* pACB, struct dc390_dcb* pDCB, struct > dc390_srb* pSRB ) > -{ > - u8 status; > - struct scsi_cmnd *pcmd; > - > - pcmd = pSRB->pcmd; > - /* KG: Moved pci_unmap here */ > - dc390_pci_unmap(pSRB); > - > - status = pSRB->TargetStatus; > - > - DEBUG0(printk (" SRBdone (%02x,%08x), SRB %p\n", status, pcmd->result, > pSRB)); > - if(pSRB->SRBFlag & AUTO_REQSENSE) > - { /* Last command was a Request Sense */ > - pSRB->SRBFlag &= ~AUTO_REQSENSE; > - pSRB->AdaptStatus = 0; > - pSRB->TargetStatus = SAM_STAT_CHECK_CONDITION; > - > - //pcmd->result = MK_RES(DRIVER_SENSE,DID_OK,0,status); > - if (status == SAM_STAT_CHECK_CONDITION) > - pcmd->result = MK_RES_LNX(0, DID_BAD_TARGET, 0, > /*CHECK_CONDITION*/0); > - else /* Retry */ > - { > - if( pSRB->pcmd->cmnd[0] == TEST_UNIT_READY /* || > pSRB->pcmd->cmnd[0] == START_STOP */) > - { > - /* Don't retry on TEST_UNIT_READY */ > - pcmd->result = MK_RES_LNX(DRIVER_SENSE, DID_OK, 0, > SAM_STAT_CHECK_CONDITION); > - REMOVABLEDEBUG(printk(KERN_INFO "Cmd=%02x, Result=%08x, > XferL=%08x\n",pSRB->pcmd->cmnd[0],\ > - (u32) pcmd->result, (u32) pSRB->TotalXferredLen)); > - } else { > - SET_RES_DRV(pcmd->result, DRIVER_SENSE); > - //pSRB->ScsiCmdLen = (u8) (pSRB->Segment1[0] >> 8); > - DEBUG0 (printk ("DC390: RETRY (%02x), target %02i-%02i\n", > pcmd->cmnd[0], pcmd->device->id, (u8)pcmd->device->lun)); > - pSRB->TotalXferredLen = 0; > - SET_RES_DID(pcmd->result, DID_SOFT_ERROR); > - } > - } > - goto cmd_done; > - } > - if( status ) > - { > - if (status == SAM_STAT_CHECK_CONDITION) > - { > - if (dc390_RequestSense(pACB, pDCB, pSRB)) { > - SET_RES_DID(pcmd->result, DID_ERROR); > - goto cmd_done; > - } > - return; > - } > - else if (status == SAM_STAT_TASK_SET_FULL) > - { > - scsi_track_queue_full(pcmd->device, pDCB->GoingSRBCnt - 1); > - DEBUG0 (printk ("DC390: RETRY (%02x), target %02i-%02i\n", > pcmd->cmnd[0], pcmd->device->id, (u8)pcmd->device->lun)); > - pSRB->TotalXferredLen = 0; > - SET_RES_DID(pcmd->result, DID_SOFT_ERROR); > - } > - else if (status == SAM_STAT_BUSY && > - (pcmd->cmnd[0] == TEST_UNIT_READY || pcmd->cmnd[0] == INQUIRY) > && > - pACB->scan_devices) > - { > - pSRB->AdaptStatus = 0; > - pSRB->TargetStatus = status; > - pcmd->result = MK_RES(0,0,pSRB->EndMessage,/*status*/0); > - } > - else > - { /* Another error */ > - pSRB->TotalXferredLen = 0; > - SET_RES_DID(pcmd->result, DID_SOFT_ERROR); > - goto cmd_done; > - } > - } > - else > - { /* Target status == 0 */ > - status = pSRB->AdaptStatus; > - if (status == H_OVER_UNDER_RUN) > - { > - pSRB->TargetStatus = 0; > - SET_RES_DID(pcmd->result,DID_OK); > - SET_RES_MSG(pcmd->result,pSRB->EndMessage); > - } > - else if (status == H_SEL_TIMEOUT) > - { > - pcmd->result = MK_RES(0, DID_NO_CONNECT, 0, 0); > - /* Devices are removed below ... */ > - } > - else if( pSRB->SRBStatus & PARITY_ERROR) > - { > - //pcmd->result = MK_RES(0,DID_PARITY,pSRB->EndMessage,0); > - SET_RES_DID(pcmd->result,DID_PARITY); > - SET_RES_MSG(pcmd->result,pSRB->EndMessage); > - } > - else /* No error */ > - { > - pSRB->AdaptStatus = 0; > - pSRB->TargetStatus = 0; > - SET_RES_DID(pcmd->result,DID_OK); > - } > - } > - > -cmd_done: > - scsi_set_resid(pcmd, scsi_bufflen(pcmd) - pSRB->TotalXferredLen); > - > - dc390_Going_remove (pDCB, pSRB); > - /* Add to free list */ > - dc390_Free_insert (pACB, pSRB); > - > - DEBUG0(printk (KERN_DEBUG "DC390: SRBdone: done\n")); > - pcmd->scsi_done (pcmd); > - > - return; > -} > - > - > -/* Remove all SRBs from Going list and inform midlevel */ > -static void > -dc390_DoingSRB_Done(struct dc390_acb* pACB, struct scsi_cmnd *cmd) > -{ > - struct dc390_dcb *pDCB, *pdcb; > - struct dc390_srb *psrb, *psrb2; > - int i; > - struct scsi_cmnd *pcmd; > - > - pDCB = pACB->pLinkDCB; > - pdcb = pDCB; > - if (! pdcb) return; > - do > - { > - psrb = pdcb->pGoingSRB; > - for (i = 0; i < pdcb->GoingSRBCnt; i++) > - { > - psrb2 = psrb->pNextSRB; > - pcmd = psrb->pcmd; > - dc390_Free_insert (pACB, psrb); > - psrb = psrb2; > - } > - pdcb->GoingSRBCnt = 0; > - pdcb->pGoingSRB = NULL; > - pdcb->TagMask = 0; > - pdcb = pdcb->pNextDCB; > - } while( pdcb != pDCB ); > -} > - > - > -static void > -dc390_ResetSCSIBus( struct dc390_acb* pACB ) > -{ > - //DC390_write8 (ScsiCmd, RST_DEVICE_CMD); > - //udelay (250); > - //DC390_write8 (ScsiCmd, NOP_CMD); > - > - DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); > - DC390_write8 (DMA_Cmd, DMA_IDLE_CMD); > - DC390_write8 (ScsiCmd, RST_SCSI_BUS_CMD); > - pACB->Connected = 0; > - > - return; > -} > - > -static void > -dc390_ScsiRstDetect( struct dc390_acb* pACB ) > -{ > - printk ("DC390: Rst_Detect: laststat = %08x\n", dc390_laststatus); > - //DEBUG0(printk(KERN_INFO "RST_DETECT,")); > - > - DC390_write8 (DMA_Cmd, DMA_IDLE_CMD); > - /* Unlock before ? */ > - /* delay half a second */ > - udelay (1000); > - DC390_write8 (ScsiCmd, CLEAR_FIFO_CMD); > - pACB->last_reset = jiffies + 5*HZ/2 > - + HZ * dc390_eepromBuf[pACB->AdapterIndex][EE_DELAY]; > - pACB->Connected = 0; > - > - if( pACB->ACBFlag & RESET_DEV ) > - pACB->ACBFlag |= RESET_DONE; > - else > - { /* Reset was issued by sb else */ > - pACB->ACBFlag |= RESET_DETECT; > - > - dc390_ResetDevParam( pACB ); > - dc390_DoingSRB_Done( pACB, NULL); > - //dc390_RecoverSRB( pACB ); > - pACB->pActiveDCB = NULL; > - pACB->ACBFlag = 0; > - } > - return; > -} > - > -static int DC390_queuecommand_lck(struct scsi_cmnd *cmd, > - void (*done)(struct scsi_cmnd *)) > -{ > - struct scsi_device *sdev = cmd->device; > - struct dc390_acb *acb = (struct dc390_acb *)sdev->host->hostdata; > - struct dc390_dcb *dcb = sdev->hostdata; > - struct dc390_srb *srb; > - > - if (sdev->queue_depth <= dcb->GoingSRBCnt) > - goto device_busy; > - if (acb->pActiveDCB) > - goto host_busy; > - if (acb->ACBFlag & (RESET_DETECT|RESET_DONE|RESET_DEV)) > - goto host_busy; > - > - srb = acb->pFreeSRB; > - if (unlikely(srb == NULL)) > - goto host_busy; > - > - cmd->scsi_done = done; > - cmd->result = 0; > - acb->Cmds++; > - > - acb->pFreeSRB = srb->pNextSRB; > - srb->pNextSRB = NULL; > - > - srb->pSRBDCB = dcb; > - srb->pcmd = cmd; > - cmd->host_scribble = (char *)srb; > - > - srb->SGIndex = 0; > - srb->AdaptStatus = 0; > - srb->TargetStatus = 0; > - srb->MsgCnt = 0; > - > - srb->SRBStatus = 0; > - srb->SRBFlag = 0; > - srb->SRBState = 0; > - srb->TotalXferredLen = 0; > - srb->SGBusAddr = 0; > - srb->SGToBeXferLen = 0; > - srb->ScsiPhase = 0; > - srb->EndMessage = 0; > - srb->TagNumber = SCSI_NO_TAG; > - > - if (dc390_StartSCSI(acb, dcb, srb)) { > - dc390_Free_insert(acb, srb); > - goto host_busy; > - } > - > - dc390_Going_append(dcb, srb); > - > - return 0; > - > - host_busy: > - return SCSI_MLQUEUE_HOST_BUSY; > - > - device_busy: > - return SCSI_MLQUEUE_DEVICE_BUSY; > -} > - > -static DEF_SCSI_QCMD(DC390_queuecommand) > - > -static void dc390_dumpinfo (struct dc390_acb* pACB, struct dc390_dcb* pDCB, > struct dc390_srb* pSRB) > -{ > - struct pci_dev *pdev; > - u16 pstat; > - > - if (!pDCB) pDCB = pACB->pActiveDCB; > - if (!pSRB && pDCB) pSRB = pDCB->pActiveSRB; > - > - if (pSRB) > - { > - printk ("DC390: SRB: Xferred %08lx, Remain %08lx, State %08x, Phase > %02x\n", > - pSRB->TotalXferredLen, pSRB->SGToBeXferLen, pSRB->SRBState, > - pSRB->ScsiPhase); > - printk ("DC390: AdpaterStatus: %02x, SRB Status %02x\n", > pSRB->AdaptStatus, pSRB->SRBStatus); > - } > - printk ("DC390: Status of last IRQ (DMA/SC/Int/IRQ): %08x\n", > dc390_laststatus); > - printk ("DC390: Register dump: SCSI block:\n"); > - printk ("DC390: XferCnt Cmd Stat IntS IRQS FFIS Ctl1 Ctl2 Ctl3 Ctl4\n"); > - printk ("DC390: %06x %02x %02x %02x", > - DC390_read8(CtcReg_Low) + (DC390_read8(CtcReg_Mid) << 8) + > (DC390_read8(CtcReg_High) << 16), > - DC390_read8(ScsiCmd), DC390_read8(Scsi_Status), > DC390_read8(Intern_State)); > - printk (" %02x %02x %02x %02x %02x %02x\n", > - DC390_read8(INT_Status), DC390_read8(Current_Fifo), > DC390_read8(CtrlReg1), > - DC390_read8(CtrlReg2), DC390_read8(CtrlReg3), > DC390_read8(CtrlReg4)); > - DC390_write32 (DMA_ScsiBusCtrl, WRT_ERASE_DMA_STAT | > EN_INT_ON_PCI_ABORT); > - if (DC390_read8(Current_Fifo) & 0x1f) > - { > - printk ("DC390: FIFO:"); > - while (DC390_read8(Current_Fifo) & 0x1f) printk (" %02x", > DC390_read8(ScsiFifo)); > - printk ("\n"); > - } > - printk ("DC390: Register dump: DMA engine:\n"); > - printk ("DC390: Cmd STrCnt SBusA WrkBC WrkAC Stat > SBusCtrl\n"); > - printk ("DC390: %02x %08x %08x %08x %08x %02x %08x\n", > - DC390_read8(DMA_Cmd), DC390_read32(DMA_XferCnt), > DC390_read32(DMA_XferAddr), > - DC390_read32(DMA_Wk_ByteCntr), DC390_read32(DMA_Wk_AddrCntr), > - DC390_read8(DMA_Status), DC390_read32(DMA_ScsiBusCtrl)); > - DC390_write32 (DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT); > - > - pdev = pACB->pdev; > - pci_read_config_word(pdev, PCI_STATUS, &pstat); > - printk ("DC390: Register dump: PCI Status: %04x\n", pstat); > - printk ("DC390: In case of driver trouble read > Documentation/scsi/tmscsim.txt\n"); > -} > - > - > -static int DC390_abort(struct scsi_cmnd *cmd) > -{ > - struct dc390_acb *pACB = (struct dc390_acb*) > cmd->device->host->hostdata; > - struct dc390_dcb *pDCB = (struct dc390_dcb*) cmd->device->hostdata; > - > - scmd_printk(KERN_WARNING, cmd, "DC390: Abort command\n"); > - > - /* abort() is too stupid for already sent commands at the moment. > - * If it's called we are in trouble anyway, so let's dump some info > - * into the syslog at least. (KG, 98/08/20,99/06/20) */ > - dc390_dumpinfo(pACB, pDCB, NULL); > - > - pDCB->DCBFlag |= ABORT_DEV_; > - printk(KERN_INFO "DC390: Aborted.\n"); > - > - return FAILED; > -} > - > - > -static void dc390_ResetDevParam( struct dc390_acb* pACB ) > -{ > - struct dc390_dcb *pDCB, *pdcb; > - > - pDCB = pACB->pLinkDCB; > - if (! pDCB) return; > - pdcb = pDCB; > - do > - { > - pDCB->SyncMode &= ~SYNC_NEGO_DONE; > - pDCB->SyncPeriod = 0; > - pDCB->SyncOffset = 0; > - pDCB->TagMask = 0; > - pDCB->CtrlR3 = FAST_CLK; > - pDCB->CtrlR4 &= NEGATE_REQACKDATA | CTRL4_RESERVED | NEGATE_REQACK; > - pDCB->CtrlR4 |= pACB->glitch_cfg; > - pDCB = pDCB->pNextDCB; > - } > - while( pdcb != pDCB ); > - pACB->ACBFlag &= ~(RESET_DEV | RESET_DONE | RESET_DETECT); > - > -} > - > -static int DC390_bus_reset (struct scsi_cmnd *cmd) > -{ > - struct dc390_acb* pACB = (struct dc390_acb*) > cmd->device->host->hostdata; > - u8 bval; > - > - spin_lock_irq(cmd->device->host->host_lock); > - > - bval = DC390_read8(CtrlReg1) | DIS_INT_ON_SCSI_RST; > - DC390_write8(CtrlReg1, bval); /* disable IRQ on bus reset */ > - > - pACB->ACBFlag |= RESET_DEV; > - dc390_ResetSCSIBus(pACB); > - > - dc390_ResetDevParam(pACB); > - mdelay(1); > - pACB->last_reset = jiffies + 3*HZ/2 > - + HZ * dc390_eepromBuf[pACB->AdapterIndex][EE_DELAY]; > - > - DC390_write8(ScsiCmd, CLEAR_FIFO_CMD); > - DC390_read8(INT_Status); /* Reset Pending INT */ > - > - dc390_DoingSRB_Done(pACB, cmd); > - > - pACB->pActiveDCB = NULL; > - pACB->ACBFlag = 0; > - > - bval = DC390_read8(CtrlReg1) & ~DIS_INT_ON_SCSI_RST; > - DC390_write8(CtrlReg1, bval); /* re-enable interrupt */ > - > - spin_unlock_irq(cmd->device->host->host_lock); > - > - return SUCCESS; > -} > - > -/** > - * dc390_slave_alloc - Called by the scsi mid layer to tell us about a new > - * scsi device that we need to deal with. > - * > - * @scsi_device: The new scsi device that we need to handle. > - */ > -static int dc390_slave_alloc(struct scsi_device *scsi_device) > -{ > - struct dc390_acb *pACB = (struct dc390_acb*) > scsi_device->host->hostdata; > - struct dc390_dcb *pDCB, *pDCB2 = NULL; > - uint id = scsi_device->id; > - uint lun = scsi_device->lun; > - > - pDCB = kzalloc(sizeof(struct dc390_dcb), GFP_KERNEL); > - if (!pDCB) > - return -ENOMEM; > - > - if (!pACB->DCBCnt++) { > - pACB->pLinkDCB = pDCB; > - pACB->pDCBRunRobin = pDCB; > - } else { > - pACB->pLastDCB->pNextDCB = pDCB; > - } > - > - pDCB->pNextDCB = pACB->pLinkDCB; > - pACB->pLastDCB = pDCB; > - > - pDCB->pDCBACB = pACB; > - pDCB->TargetID = id; > - pDCB->TargetLUN = lun; > - > - /* > - * Some values are for all LUNs: Copy them > - * In a clean way: We would have an own structure for a SCSI-ID > - */ > - if (lun && (pDCB2 = dc390_findDCB(pACB, id, 0))) { > - pDCB->DevMode = pDCB2->DevMode; > - pDCB->SyncMode = pDCB2->SyncMode & SYNC_NEGO_DONE; > - pDCB->SyncPeriod = pDCB2->SyncPeriod; > - pDCB->SyncOffset = pDCB2->SyncOffset; > - pDCB->NegoPeriod = pDCB2->NegoPeriod; > - > - pDCB->CtrlR3 = pDCB2->CtrlR3; > - pDCB->CtrlR4 = pDCB2->CtrlR4; > - } else { > - u8 index = pACB->AdapterIndex; > - PEEprom prom = (PEEprom) &dc390_eepromBuf[index][id << 2]; > - > - pDCB->DevMode = prom->EE_MODE1; > - pDCB->NegoPeriod = > - (dc390_clock_period1[prom->EE_SPEED] * 25) >> 2; > - pDCB->CtrlR3 = FAST_CLK; > - pDCB->CtrlR4 = pACB->glitch_cfg | CTRL4_RESERVED; > - if (dc390_eepromBuf[index][EE_MODE2] & ACTIVE_NEGATION) > - pDCB->CtrlR4 |= NEGATE_REQACKDATA | NEGATE_REQACK; > - } > - > - if (pDCB->DevMode & SYNC_NEGO_) > - pDCB->SyncMode |= SYNC_ENABLE; > - else { > - pDCB->SyncMode = 0; > - pDCB->SyncOffset &= ~0x0f; > - } > - > - pDCB->CtrlR1 = pACB->pScsiHost->this_id; > - if (pDCB->DevMode & PARITY_CHK_) > - pDCB->CtrlR1 |= PARITY_ERR_REPO; > - > - pACB->scan_devices = 1; > - scsi_device->hostdata = pDCB; > - return 0; > -} > - > -/** > - * dc390_slave_destroy - Called by the scsi mid layer to tell us about a > - * device that is going away. > - * > - * @scsi_device: The scsi device that we need to remove. > - */ > -static void dc390_slave_destroy(struct scsi_device *scsi_device) > -{ > - struct dc390_acb* pACB = (struct dc390_acb*) > scsi_device->host->hostdata; > - struct dc390_dcb* pDCB = (struct dc390_dcb*) scsi_device->hostdata; > - struct dc390_dcb* pPrevDCB = pACB->pLinkDCB; > - > - pACB->scan_devices = 0; > - > - BUG_ON(pDCB->GoingSRBCnt > 1); > - > - if (pDCB == pACB->pLinkDCB) { > - if (pACB->pLastDCB == pDCB) { > - pDCB->pNextDCB = NULL; > - pACB->pLastDCB = NULL; > - } > - pACB->pLinkDCB = pDCB->pNextDCB; > - } else { > - while (pPrevDCB->pNextDCB != pDCB) > - pPrevDCB = pPrevDCB->pNextDCB; > - pPrevDCB->pNextDCB = pDCB->pNextDCB; > - if (pDCB == pACB->pLastDCB) > - pACB->pLastDCB = pPrevDCB; > - } > - > - if (pDCB == pACB->pActiveDCB) > - pACB->pActiveDCB = NULL; > - if (pDCB == pACB->pLinkDCB) > - pACB->pLinkDCB = pDCB->pNextDCB; > - if (pDCB == pACB->pDCBRunRobin) > - pACB->pDCBRunRobin = pDCB->pNextDCB; > - kfree(pDCB); > - > - pACB->DCBCnt--; > -} > - > -static int dc390_slave_configure(struct scsi_device *sdev) > -{ > - struct dc390_acb *acb = (struct dc390_acb *)sdev->host->hostdata; > - struct dc390_dcb *dcb = (struct dc390_dcb *)sdev->hostdata; > - > - acb->scan_devices = 0; > - > - /* > - * XXX: Note that while this driver used to called scsi_activate_tcq, > - * it never actually set a tag type, so emulate the old behavior. > - */ > - scsi_set_tag_type(sdev, 0); > - > - if (sdev->tagged_supported && (dcb->DevMode & TAG_QUEUEING_)) { > - dcb->SyncMode |= EN_TAG_QUEUEING; > - scsi_adjust_queue_depth(sdev, acb->TagMaxNum); > - } > - > - return 0; > -} > - > -static struct scsi_host_template driver_template = { > - .module = THIS_MODULE, > - .proc_name = "tmscsim", > - .name = DC390_BANNER " V" DC390_VERSION, > - .slave_alloc = dc390_slave_alloc, > - .slave_configure = dc390_slave_configure, > - .slave_destroy = dc390_slave_destroy, > - .queuecommand = DC390_queuecommand, > - .eh_abort_handler = DC390_abort, > - .eh_bus_reset_handler = DC390_bus_reset, > - .can_queue = 1, > - .this_id = 7, > - .sg_tablesize = SG_ALL, > - .cmd_per_lun = 1, > - .use_clustering = ENABLE_CLUSTERING, > - .max_sectors = 0x4000, /* 8MiB = 16 * 1024 * 512 */ > - .use_blk_tags = 1, > -}; > - > -/*********************************************************************** > - * Functions for access to DC390 EEPROM > - * and some to emulate it > - * > - **********************************************************************/ > - > -static void dc390_eeprom_prepare_read(struct pci_dev *pdev, u8 cmd) > -{ > - u8 carryFlag = 1, j = 0x80, bval; > - int i; > - > - for (i = 0; i < 9; i++) { > - if (carryFlag) { > - pci_write_config_byte(pdev, 0x80, 0x40); > - bval = 0xc0; > - } else > - bval = 0x80; > - > - udelay(160); > - pci_write_config_byte(pdev, 0x80, bval); > - udelay(160); > - pci_write_config_byte(pdev, 0x80, 0); > - udelay(160); > - > - carryFlag = (cmd & j) ? 1 : 0; > - j >>= 1; > - } > -} > - > -static u16 dc390_eeprom_get_data(struct pci_dev *pdev) > -{ > - int i; > - u16 wval = 0; > - u8 bval; > - > - for (i = 0; i < 16; i++) { > - wval <<= 1; > - > - pci_write_config_byte(pdev, 0x80, 0x80); > - udelay(160); > - pci_write_config_byte(pdev, 0x80, 0x40); > - udelay(160); > - pci_read_config_byte(pdev, 0x00, &bval); > - > - if (bval == 0x22) > - wval |= 1; > - } > - > - return wval; > -} > - > -static void dc390_read_eeprom(struct pci_dev *pdev, u16 *ptr) > -{ > - u8 cmd = EEPROM_READ, i; > - > - for (i = 0; i < 0x40; i++) { > - pci_write_config_byte(pdev, 0xc0, 0); > - udelay(160); > - > - dc390_eeprom_prepare_read(pdev, cmd++); > - *ptr++ = dc390_eeprom_get_data(pdev); > - > - pci_write_config_byte(pdev, 0x80, 0); > - pci_write_config_byte(pdev, 0x80, 0); > - udelay(160); > - } > -} > - > -/* Override EEprom values with explicitly set values */ > -static void dc390_eeprom_override(u8 index) > -{ > - u8 *ptr = (u8 *) dc390_eepromBuf[index], id; > - > - /* Adapter Settings */ > - if (tmscsim[0] != -2) > - ptr[EE_ADAPT_SCSI_ID] = (u8)tmscsim[0]; /* Adapter ID */ > - if (tmscsim[3] != -2) > - ptr[EE_MODE2] = (u8)tmscsim[3]; > - if (tmscsim[5] != -2) > - ptr[EE_DELAY] = tmscsim[5]; /* Reset delay */ > - if (tmscsim[4] != -2) > - ptr[EE_TAG_CMD_NUM] = (u8)tmscsim[4]; /* Tagged Cmds */ > - > - /* Device Settings */ > - for (id = 0; id < MAX_SCSI_ID; id++) { > - if (tmscsim[2] != -2) > - ptr[id << 2] = (u8)tmscsim[2]; /* EE_MODE1 */ > - if (tmscsim[1] != -2) > - ptr[(id << 2) + 1] = (u8)tmscsim[1]; /* EE_Speed */ > - } > -} > - > -static int tmscsim_def[] = { > - 7, > - 0 /* 10MHz */, > - PARITY_CHK_ | SEND_START_ | EN_DISCONNECT_ | SYNC_NEGO_ | TAG_QUEUEING_, > - MORE2_DRV | GREATER_1G | RST_SCSI_BUS | ACTIVE_NEGATION | LUN_CHECK, > - 3 /* 16 Tags per LUN */, > - 1 /* s delay after Reset */, > -}; > - > -/* Copy defaults over set values where missing */ > -static void dc390_fill_with_defaults (void) > -{ > - int i; > - > - for (i = 0; i < 6; i++) { > - if (tmscsim[i] < 0 || tmscsim[i] > 255) > - tmscsim[i] = tmscsim_def[i]; > - } > - > - /* Sanity checks */ > - if (tmscsim[0] > 7) > - tmscsim[0] = 7; > - if (tmscsim[1] > 7) > - tmscsim[1] = 4; > - if (tmscsim[4] > 5) > - tmscsim[4] = 4; > - if (tmscsim[5] > 180) > - tmscsim[5] = 180; > -} > - > -static void dc390_check_eeprom(struct pci_dev *pdev, u8 index) > -{ > - u8 interpd[] = {1, 3, 5, 10, 16, 30, 60, 120}; > - u8 EEbuf[128]; > - u16 *ptr = (u16 *)EEbuf, wval = 0; > - int i; > - > - dc390_read_eeprom(pdev, ptr); > - memcpy(dc390_eepromBuf[index], EEbuf, EE_ADAPT_SCSI_ID); > - memcpy(&dc390_eepromBuf[index][EE_ADAPT_SCSI_ID], > - &EEbuf[REAL_EE_ADAPT_SCSI_ID], EE_LEN - EE_ADAPT_SCSI_ID); > - > - dc390_eepromBuf[index][EE_DELAY] = > interpd[dc390_eepromBuf[index][EE_DELAY]]; > - > - for (i = 0; i < 0x40; i++, ptr++) > - wval += *ptr; > - > - /* no Tekram EEprom found */ > - if (wval != 0x1234) { > - int speed; > - > - printk(KERN_INFO "DC390_init: No EEPROM found! Trying default > settings ...\n"); > - > - /* > - * XXX(hch): bogus, because we might have tekram and > - * non-tekram hbas in a single machine. > - */ > - dc390_fill_with_defaults(); > - > - speed = dc390_clock_speed[tmscsim[1]]; > - printk(KERN_INFO "DC390: Used defaults: AdaptID=%i, SpeedIdx=%i > (%i.%i MHz), " > - "DevMode=0x%02x, AdaptMode=0x%02x, TaggedCmnds=%i (%i), > DelayReset=%is\n", > - tmscsim[0], tmscsim[1], speed / 10, speed % 10, > - (u8)tmscsim[2], (u8)tmscsim[3], tmscsim[4], 2 << > (tmscsim[4]), tmscsim[5]); > - } > -} > - > -static void dc390_init_hw(struct dc390_acb *pACB, u8 index) > -{ > - struct Scsi_Host *shost = pACB->pScsiHost; > - u8 dstate; > - > - /* Disable SCSI bus reset interrupt */ > - DC390_write8(CtrlReg1, DIS_INT_ON_SCSI_RST | shost->this_id); > - > - if (pACB->Gmode2 & RST_SCSI_BUS) { > - dc390_ResetSCSIBus(pACB); > - udelay(1000); > - pACB->last_reset = jiffies + HZ/2 + > - HZ * dc390_eepromBuf[pACB->AdapterIndex][EE_DELAY]; > - } > - > - pACB->ACBFlag = 0; > - > - /* Reset Pending INT */ > - DC390_read8(INT_Status); > - > - /* 250ms selection timeout */ > - DC390_write8(Scsi_TimeOut, SEL_TIMEOUT); > - > - /* Conversion factor = 0 , 40MHz clock */ > - DC390_write8(Clk_Factor, CLK_FREQ_40MHZ); > - > - /* NOP cmd - clear command register */ > - DC390_write8(ScsiCmd, NOP_CMD); > - > - /* Enable Feature and SCSI-2 */ > - DC390_write8(CtrlReg2, EN_FEATURE+EN_SCSI2_CMD); > - > - /* Fast clock */ > - DC390_write8(CtrlReg3, FAST_CLK); > - > - /* Negation */ > - DC390_write8(CtrlReg4, pACB->glitch_cfg | /* glitch eater */ > - (dc390_eepromBuf[index][EE_MODE2] & ACTIVE_NEGATION) ? > - NEGATE_REQACKDATA : 0); > - > - /* Clear Transfer Count High: ID */ > - DC390_write8(CtcReg_High, 0); > - DC390_write8(DMA_Cmd, DMA_IDLE_CMD); > - DC390_write8(ScsiCmd, CLEAR_FIFO_CMD); > - DC390_write32(DMA_ScsiBusCtrl, EN_INT_ON_PCI_ABORT); > - > - dstate = DC390_read8(DMA_Status); > - DC390_write8(DMA_Status, dstate); > -} > - > -static int dc390_probe_one(struct pci_dev *pdev, const struct pci_device_id > *id) > -{ > - struct dc390_acb *pACB; > - struct Scsi_Host *shost; > - unsigned long io_port; > - int error = -ENODEV, i; > - > - if (pci_enable_device(pdev)) > - goto out; > - > - pci_set_master(pdev); > - > - error = -ENOMEM; > - if (disable_clustering) > - driver_template.use_clustering = DISABLE_CLUSTERING; > - shost = scsi_host_alloc(&driver_template, sizeof(struct dc390_acb)); > - if (!shost) > - goto out_disable_device; > - > - pACB = (struct dc390_acb *)shost->hostdata; > - memset(pACB, 0, sizeof(struct dc390_acb)); > - > - dc390_check_eeprom(pdev, dc390_adapterCnt); > - dc390_eeprom_override(dc390_adapterCnt); > - > - io_port = pci_resource_start(pdev, 0); > - > - shost->this_id = dc390_eepromBuf[dc390_adapterCnt][EE_ADAPT_SCSI_ID]; > - shost->io_port = io_port; > - shost->n_io_port = 0x80; > - shost->irq = pdev->irq; > - shost->base = io_port; > - shost->unique_id = io_port; > - > - pACB->last_reset = jiffies; > - pACB->pScsiHost = shost; > - pACB->IOPortBase = (u16) io_port; > - pACB->IRQLevel = pdev->irq; > - > - shost->max_id = 8; > - > - if (shost->max_id - 1 == > - dc390_eepromBuf[dc390_adapterCnt][EE_ADAPT_SCSI_ID]) > - shost->max_id--; > - > - if (dc390_eepromBuf[dc390_adapterCnt][EE_MODE2] & LUN_CHECK) > - shost->max_lun = 8; > - else > - shost->max_lun = 1; > - > - pACB->pFreeSRB = pACB->SRB_array; > - pACB->SRBCount = MAX_SRB_CNT; > - pACB->AdapterIndex = dc390_adapterCnt; > - pACB->TagMaxNum = > - 2 << dc390_eepromBuf[dc390_adapterCnt][EE_TAG_CMD_NUM]; > - pACB->Gmode2 = dc390_eepromBuf[dc390_adapterCnt][EE_MODE2]; > - > - for (i = 0; i < pACB->SRBCount-1; i++) > - pACB->SRB_array[i].pNextSRB = &pACB->SRB_array[i+1]; > - pACB->SRB_array[pACB->SRBCount-1].pNextSRB = NULL; > - pACB->pTmpSRB = &pACB->TmpSRB; > - > - pACB->sel_timeout = SEL_TIMEOUT; > - pACB->glitch_cfg = EATER_25NS; > - pACB->pdev = pdev; > - > - if (!request_region(io_port, shost->n_io_port, "tmscsim")) { > - printk(KERN_ERR "DC390: register IO ports error!\n"); > - goto out_host_put; > - } > - > - /* Reset Pending INT */ > - DC390_read8_(INT_Status, io_port); > - > - if (request_irq(pdev->irq, do_DC390_Interrupt, IRQF_SHARED, > - "tmscsim", pACB)) { > - printk(KERN_ERR "DC390: register IRQ error!\n"); > - goto out_release_region; > - } > - > - dc390_init_hw(pACB, dc390_adapterCnt); > - > - dc390_adapterCnt++; > - > - pci_set_drvdata(pdev, shost); > - > - error = scsi_add_host(shost, &pdev->dev); > - if (error) > - goto out_free_irq; > - scsi_scan_host(shost); > - return 0; > - > - out_free_irq: > - free_irq(pdev->irq, pACB); > - out_release_region: > - release_region(io_port, shost->n_io_port); > - out_host_put: > - scsi_host_put(shost); > - out_disable_device: > - pci_disable_device(pdev); > - out: > - return error; > -} > - > -/** > - * dc390_remove_one - Called to remove a single instance of the adapter. > - * > - * @dev: The PCI device to remove. > - */ > -static void dc390_remove_one(struct pci_dev *dev) > -{ > - struct Scsi_Host *scsi_host = pci_get_drvdata(dev); > - unsigned long iflags; > - struct dc390_acb* pACB = (struct dc390_acb*) scsi_host->hostdata; > - u8 bval; > - > - scsi_remove_host(scsi_host); > - > - spin_lock_irqsave(scsi_host->host_lock, iflags); > - pACB->ACBFlag = RESET_DEV; > - bval = DC390_read8(CtrlReg1) | DIS_INT_ON_SCSI_RST; > - DC390_write8 (CtrlReg1, bval); /* disable interrupt */ > - if (pACB->Gmode2 & RST_SCSI_BUS) > - dc390_ResetSCSIBus(pACB); > - spin_unlock_irqrestore(scsi_host->host_lock, iflags); > - > - free_irq(scsi_host->irq, pACB); > - release_region(scsi_host->io_port, scsi_host->n_io_port); > - > - pci_disable_device(dev); > - scsi_host_put(scsi_host); > -} > - > -static struct pci_device_id tmscsim_pci_tbl[] = { > - { PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD53C974, > - PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, > - { } > -}; > -MODULE_DEVICE_TABLE(pci, tmscsim_pci_tbl); > - > -static struct pci_driver dc390_driver = { > - .name = "tmscsim", > - .id_table = tmscsim_pci_tbl, > - .probe = dc390_probe_one, > - .remove = dc390_remove_one, > -}; > - > -static int __init dc390_module_init(void) > -{ > - if (!disable_clustering) { > - printk(KERN_INFO "DC390: clustering now enabled by default. If > you get problems load\n"); > - printk(KERN_INFO " with \"disable_clustering=1\" and > report to maintainers\n"); > - } > - > - if (tmscsim[0] == -1 || tmscsim[0] > 15) { > - tmscsim[0] = 7; > - tmscsim[1] = 4; > - tmscsim[2] = PARITY_CHK_ | TAG_QUEUEING_; > - tmscsim[3] = MORE2_DRV | GREATER_1G | RST_SCSI_BUS | > ACTIVE_NEGATION; > - tmscsim[4] = 2; > - tmscsim[5] = 10; > - printk (KERN_INFO "DC390: Using safe settings.\n"); > - } > - > - return pci_register_driver(&dc390_driver); > -} > - > -static void __exit dc390_module_exit(void) > -{ > - pci_unregister_driver(&dc390_driver); > -} > - > -module_init(dc390_module_init); > -module_exit(dc390_module_exit); > - > -#ifndef MODULE > -static int __init dc390_setup (char *str) > -{ > - int ints[8],i, im; > - > - get_options(str, ARRAY_SIZE(ints), ints); > - im = ints[0]; > - > - if (im > 6) { > - printk (KERN_NOTICE "DC390: ignore extra params!\n"); > - im = 6; > - } > - > - for (i = 0; i < im; i++) > - tmscsim[i] = ints[i+1]; > - /* dc390_checkparams (); */ > - return 1; > -} > - > -__setup("tmscsim=", dc390_setup); > -#endif > diff --git a/drivers/scsi/tmscsim.h b/drivers/scsi/tmscsim.h > deleted file mode 100644 > index c9ad4bb..0000000 > --- a/drivers/scsi/tmscsim.h > +++ /dev/null > @@ -1,549 +0,0 @@ > -/*********************************************************************** > -;* File Name : TMSCSIM.H * > -;* TEKRAM DC-390(T) PCI SCSI Bus Master Host Adapter * > -;* Device Driver * > -;***********************************************************************/ > -/* $Id: tmscsim.h,v 2.15.2.3 2000/11/17 20:52:27 garloff Exp $ */ > - > -#ifndef _TMSCSIM_H > -#define _TMSCSIM_H > - > -#include <linux/types.h> > - > -#define MAX_ADAPTER_NUM 4 > -#define MAX_SG_LIST_BUF 16 /* Not used */ > -#define MAX_SCSI_ID 8 > -#define MAX_SRB_CNT 50 /* Max number of started commands */ > - > -#define SEL_TIMEOUT 153 /* 250 ms selection timeout (@ 40 MHz) > */ > - > -/* > -;----------------------------------------------------------------------- > -; SCSI Request Block > -;----------------------------------------------------------------------- > -*/ > -struct dc390_srb > -{ > -//u8 CmdBlock[12]; > - > -struct dc390_srb *pNextSRB; > -struct dc390_dcb *pSRBDCB; > -struct scsi_cmnd *pcmd; > -struct scatterlist *pSegmentList; > - > -struct scatterlist Segmentx; /* make a one entry of S/G list table */ > - > -unsigned long SGBusAddr; /*;a segment starting address as seen > by AM53C974A > - in CPU endianness. We're only getting 32-bit > bus > - addresses by default */ > -unsigned long SGToBeXferLen; /*; to be xfer length */ > -unsigned long TotalXferredLen; > -unsigned long SavedTotXLen; > -unsigned long Saved_Ptr; > -u32 SRBState; > - > -u8 SRBStatus; > -u8 SRBFlag; /*; b0-AutoReqSense,b6-Read,b7-write */ > - /*; b4-settimeout,b5-Residual valid */ > -u8 AdaptStatus; > -u8 TargetStatus; > - > -u8 ScsiPhase; > -s8 TagNumber; > -u8 SGIndex; > -u8 SGcount; > - > -u8 MsgCnt; > -u8 EndMessage; > - > -u8 MsgInBuf[6]; > -u8 MsgOutBuf[6]; > - > -//u8 IORBFlag; /*;81h-Reset, 2-retry */ > -}; > - > - > -/* > -;----------------------------------------------------------------------- > -; Device Control Block > -;----------------------------------------------------------------------- > -*/ > -struct dc390_dcb > -{ > -struct dc390_dcb *pNextDCB; > -struct dc390_acb *pDCBACB; > - > -/* Queued SRBs */ > -struct dc390_srb *pGoingSRB; > -struct dc390_srb *pGoingLast; > -struct dc390_srb *pActiveSRB; > -u8 GoingSRBCnt; > - > -u32 TagMask; > - > -u8 TargetID; /*; SCSI Target ID (SCSI Only) */ > -u8 TargetLUN; /*; SCSI Log. Unit (SCSI Only) */ > -u8 DevMode; > -u8 DCBFlag; > - > -u8 CtrlR1; > -u8 CtrlR3; > -u8 CtrlR4; > - > -u8 SyncMode; /*; 0:async mode */ > -u8 NegoPeriod; /*;for nego. */ > -u8 SyncPeriod; /*;for reg. */ > -u8 SyncOffset; /*;for reg. and nego.(low nibble) */ > -}; > - > - > -/* > -;----------------------------------------------------------------------- > -; Adapter Control Block > -;----------------------------------------------------------------------- > -*/ > -struct dc390_acb > -{ > -struct Scsi_Host *pScsiHost; > -u16 IOPortBase; > -u8 IRQLevel; > -u8 status; > - > -u8 SRBCount; > -u8 AdapterIndex; /*; nth Adapter this driver */ > -u8 DCBCnt; > - > -u8 TagMaxNum; > -u8 ACBFlag; > -u8 Gmode2; > -u8 scan_devices; > - > -struct dc390_dcb *pLinkDCB; > -struct dc390_dcb *pLastDCB; > -struct dc390_dcb *pDCBRunRobin; > - > -struct dc390_dcb *pActiveDCB; > -struct dc390_srb *pFreeSRB; > -struct dc390_srb *pTmpSRB; > - > -u8 msgin123[4]; > -u8 Connected; > -u8 pad; > - > -#if defined(USE_SPINLOCKS) && USE_SPINLOCKS > 1 && (defined(CONFIG_SMP) || > DEBUG_SPINLOCKS > 0) > -spinlock_t lock; > -#endif > -u8 sel_timeout; > -u8 glitch_cfg; > - > -u8 MsgLen; > -u8 Ignore_IRQ; /* Not used */ > - > -struct pci_dev *pdev; > - > -unsigned long last_reset; > -unsigned long Cmds; > -u32 SelLost; > -u32 SelConn; > -u32 CmdInQ; > -u32 CmdOutOfSRB; > - > -struct dc390_srb TmpSRB; > -struct dc390_srb SRB_array[MAX_SRB_CNT]; /* 50 SRBs */ > -}; > - > - > -/*;-----------------------------------------------------------------------*/ > - > - > -#define BIT31 0x80000000 > -#define BIT30 0x40000000 > -#define BIT29 0x20000000 > -#define BIT28 0x10000000 > -#define BIT27 0x08000000 > -#define BIT26 0x04000000 > -#define BIT25 0x02000000 > -#define BIT24 0x01000000 > -#define BIT23 0x00800000 > -#define BIT22 0x00400000 > -#define BIT21 0x00200000 > -#define BIT20 0x00100000 > -#define BIT19 0x00080000 > -#define BIT18 0x00040000 > -#define BIT17 0x00020000 > -#define BIT16 0x00010000 > -#define BIT15 0x00008000 > -#define BIT14 0x00004000 > -#define BIT13 0x00002000 > -#define BIT12 0x00001000 > -#define BIT11 0x00000800 > -#define BIT10 0x00000400 > -#define BIT9 0x00000200 > -#define BIT8 0x00000100 > -#define BIT7 0x00000080 > -#define BIT6 0x00000040 > -#define BIT5 0x00000020 > -#define BIT4 0x00000010 > -#define BIT3 0x00000008 > -#define BIT2 0x00000004 > -#define BIT1 0x00000002 > -#define BIT0 0x00000001 > - > -/*;---UnitCtrlFlag */ > -#define UNIT_ALLOCATED BIT0 > -#define UNIT_INFO_CHANGED BIT1 > -#define FORMATING_MEDIA BIT2 > -#define UNIT_RETRY BIT3 > - > -/*;---UnitFlags */ > -#define DASD_SUPPORT BIT0 > -#define SCSI_SUPPORT BIT1 > -#define ASPI_SUPPORT BIT2 > - > -/*;----SRBState machine definition */ > -#define SRB_FREE 0 > -#define SRB_WAIT BIT0 > -#define SRB_READY BIT1 > -#define SRB_MSGOUT BIT2 /*;arbitration+msg_out 1st byte*/ > -#define SRB_MSGIN BIT3 > -#define SRB_MSGIN_MULTI BIT4 > -#define SRB_COMMAND BIT5 > -#define SRB_START_ BIT6 /*;arbitration+msg_out+command_out*/ > -#define SRB_DISCONNECT BIT7 > -#define SRB_DATA_XFER BIT8 > -#define SRB_XFERPAD BIT9 > -#define SRB_STATUS BIT10 > -#define SRB_COMPLETED BIT11 > -#define SRB_ABORT_SENT BIT12 > -#define DO_SYNC_NEGO BIT13 > -#define SRB_UNEXPECT_RESEL BIT14 > - > -/*;---SRBstatus */ > -#define SRB_OK BIT0 > -#define ABORTION BIT1 > -#define OVER_RUN BIT2 > -#define UNDER_RUN BIT3 > -#define PARITY_ERROR BIT4 > -#define SRB_ERROR BIT5 > - > -/*;---ACBFlag */ > -#define RESET_DEV BIT0 > -#define RESET_DETECT BIT1 > -#define RESET_DONE BIT2 > - > -/*;---DCBFlag */ > -#define ABORT_DEV_ BIT0 > - > -/*;---SRBFlag */ > -#define DATAOUT BIT7 > -#define DATAIN BIT6 > -#define RESIDUAL_VALID BIT5 > -#define ENABLE_TIMER BIT4 > -#define RESET_DEV0 BIT2 > -#define ABORT_DEV BIT1 > -#define AUTO_REQSENSE BIT0 > - > -/*;---Adapter status */ > -#define H_STATUS_GOOD 0 > -#define H_SEL_TIMEOUT 0x11 > -#define H_OVER_UNDER_RUN 0x12 > -#define H_UNEXP_BUS_FREE 0x13 > -#define H_TARGET_PHASE_F 0x14 > -#define H_INVALID_CCB_OP 0x16 > -#define H_LINK_CCB_BAD 0x17 > -#define H_BAD_TARGET_DIR 0x18 > -#define H_DUPLICATE_CCB 0x19 > -#define H_BAD_CCB_OR_SG 0x1A > -#define H_ABORT 0x0FF > - > -/* cmd->result */ > -#define RES_TARGET 0x000000FF /* Target State */ > -#define RES_TARGET_LNX STATUS_MASK /* Only official ... */ > -#define RES_ENDMSG 0x0000FF00 /* End Message */ > -#define RES_DID 0x00FF0000 /* DID_ codes */ > -#define RES_DRV 0xFF000000 /* DRIVER_ codes */ > - > -#define MK_RES(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | > (int)(msg)<<8 | (int)(tgt)) > -#define MK_RES_LNX(drv,did,msg,tgt) ((int)(drv)<<24 | (int)(did)<<16 | > (int)(msg)<<8 | (int)(tgt)) > - > -#define SET_RES_TARGET(who, tgt) do { who &= ~RES_TARGET; who |= (int)(tgt); > } while (0) > -#define SET_RES_TARGET_LNX(who, tgt) do { who &= ~RES_TARGET_LNX; who |= > (int)(tgt) << 1; } while (0) > -#define SET_RES_MSG(who, msg) do { who &= ~RES_ENDMSG; who |= (int)(msg) << > 8; } while (0) > -#define SET_RES_DID(who, did) do { who &= ~RES_DID; who |= (int)(did) << 16; > } while (0) > -#define SET_RES_DRV(who, drv) do { who &= ~RES_DRV; who |= (int)(drv) << 24; > } while (0) > - > -/*;---Sync_Mode */ > -#define SYNC_DISABLE 0 > -#define SYNC_ENABLE BIT0 > -#define SYNC_NEGO_DONE BIT1 > -#define WIDE_ENABLE BIT2 /* Not used ;-) */ > -#define WIDE_NEGO_DONE BIT3 /* Not used ;-) */ > -#define EN_TAG_QUEUEING BIT4 > -#define EN_ATN_STOP BIT5 > - > -#define SYNC_NEGO_OFFSET 15 > - > -/*;---SCSI bus phase*/ > -#define SCSI_DATA_OUT 0 > -#define SCSI_DATA_IN 1 > -#define SCSI_COMMAND 2 > -#define SCSI_STATUS_ 3 > -#define SCSI_NOP0 4 > -#define SCSI_NOP1 5 > -#define SCSI_MSG_OUT 6 > -#define SCSI_MSG_IN 7 > - > -/*;----SCSI MSG BYTE*/ /* see scsi/scsi.h */ /* One is missing ! */ > -#define ABORT_TAG 0x0d > - > -/* > - * SISC query queue > - */ > -typedef struct { > - dma_addr_t saved_dma_handle; > -} dc390_cmd_scp_t; > - > -/* > -;========================================================== > -; EEPROM byte offset > -;========================================================== > -*/ > -typedef struct _EEprom > -{ > -u8 EE_MODE1; > -u8 EE_SPEED; > -u8 xx1; > -u8 xx2; > -} EEprom, *PEEprom; > - > -#define REAL_EE_ADAPT_SCSI_ID 64 > -#define REAL_EE_MODE2 65 > -#define REAL_EE_DELAY 66 > -#define REAL_EE_TAG_CMD_NUM 67 > - > -#define EE_ADAPT_SCSI_ID 32 > -#define EE_MODE2 33 > -#define EE_DELAY 34 > -#define EE_TAG_CMD_NUM 35 > - > -#define EE_LEN 40 > - > -/*; EE_MODE1 bits definition*/ > -#define PARITY_CHK_ BIT0 > -#define SYNC_NEGO_ BIT1 > -#define EN_DISCONNECT_ BIT2 > -#define SEND_START_ BIT3 > -#define TAG_QUEUEING_ BIT4 > - > -/*; EE_MODE2 bits definition*/ > -#define MORE2_DRV BIT0 > -#define GREATER_1G BIT1 > -#define RST_SCSI_BUS BIT2 > -#define ACTIVE_NEGATION BIT3 > -#define NO_SEEK BIT4 > -#define LUN_CHECK BIT5 > - > -#define ENABLE_CE 1 > -#define DISABLE_CE 0 > -#define EEPROM_READ 0x80 > - > -/* > -;========================================================== > -; AMD 53C974 Registers bit Definition > -;========================================================== > -*/ > -/* > -;==================== > -; SCSI Register > -;==================== > -*/ > - > -/*; Command Reg.(+0CH) (rw) */ > -#define DMA_COMMAND BIT7 > -#define NOP_CMD 0 > -#define CLEAR_FIFO_CMD 1 > -#define RST_DEVICE_CMD 2 > -#define RST_SCSI_BUS_CMD 3 > - > -#define INFO_XFER_CMD 0x10 > -#define INITIATOR_CMD_CMPLTE 0x11 > -#define MSG_ACCEPTED_CMD 0x12 > -#define XFER_PAD_BYTE 0x18 > -#define SET_ATN_CMD 0x1A > -#define RESET_ATN_CMD 0x1B > - > -#define SEL_WO_ATN 0x41 /* currently not used */ > -#define SEL_W_ATN 0x42 > -#define SEL_W_ATN_STOP 0x43 > -#define SEL_W_ATN3 0x46 > -#define EN_SEL_RESEL 0x44 > -#define DIS_SEL_RESEL 0x45 /* currently not used */ > -#define RESEL 0x40 /* " */ > -#define RESEL_ATN3 0x47 /* " */ > - > -#define DATA_XFER_CMD INFO_XFER_CMD > - > - > -/*; SCSI Status Reg.(+10H) (r) */ > -#define INTERRUPT BIT7 > -#define ILLEGAL_OP_ERR BIT6 > -#define PARITY_ERR BIT5 > -#define COUNT_2_ZERO BIT4 > -#define GROUP_CODE_VALID BIT3 > -#define SCSI_PHASE_MASK (BIT2+BIT1+BIT0) > -/* BIT2: MSG phase; BIT1: C/D physe; BIT0: I/O phase */ > - > -/*; Interrupt Status Reg.(+14H) (r) */ > -#define SCSI_RESET BIT7 > -#define INVALID_CMD BIT6 > -#define DISCONNECTED BIT5 > -#define SERVICE_REQUEST BIT4 > -#define SUCCESSFUL_OP BIT3 > -#define RESELECTED BIT2 > -#define SEL_ATTENTION BIT1 > -#define SELECTED BIT0 > - > -/*; Internal State Reg.(+18H) (r) */ > -#define SYNC_OFFSET_FLAG BIT3 > -#define INTRN_STATE_MASK (BIT2+BIT1+BIT0) > -/* 0x04: Sel. successful (w/o stop), 0x01: Sel. successful (w/ stop) */ > - > -/*; Clock Factor Reg.(+24H) (w) */ > -#define CLK_FREQ_40MHZ 0 > -#define CLK_FREQ_35MHZ (BIT2+BIT1+BIT0) > -#define CLK_FREQ_30MHZ (BIT2+BIT1) > -#define CLK_FREQ_25MHZ (BIT2+BIT0) > -#define CLK_FREQ_20MHZ BIT2 > -#define CLK_FREQ_15MHZ (BIT1+BIT0) > -#define CLK_FREQ_10MHZ BIT1 > - > -/*; Control Reg. 1(+20H) (rw) */ > -#define EXTENDED_TIMING BIT7 > -#define DIS_INT_ON_SCSI_RST BIT6 > -#define PARITY_ERR_REPO BIT4 > -#define SCSI_ID_ON_BUS (BIT2+BIT1+BIT0) /* host adapter ID */ > - > -/*; Control Reg. 2(+2CH) (rw) */ > -#define EN_FEATURE BIT6 > -#define EN_SCSI2_CMD BIT3 > - > -/*; Control Reg. 3(+30H) (rw) */ > -#define ID_MSG_CHECK BIT7 > -#define EN_QTAG_MSG BIT6 > -#define EN_GRP2_CMD BIT5 > -#define FAST_SCSI BIT4 /* ;10MB/SEC */ > -#define FAST_CLK BIT3 /* ;25 - 40 MHZ */ > - > -/*; Control Reg. 4(+34H) (rw) */ > -#define EATER_12NS 0 > -#define EATER_25NS BIT7 > -#define EATER_35NS BIT6 > -#define EATER_0NS (BIT7+BIT6) > -#define REDUCED_POWER BIT5 > -#define CTRL4_RESERVED BIT4 /* must be 1 acc. to AM53C974.c > */ > -#define NEGATE_REQACKDATA BIT2 > -#define NEGATE_REQACK BIT3 > - > -#define GLITCH_TO_NS(x) (((~x>>6 & 2) >> 1) | ((x>>6 & 1) << 1 ^ (x>>6 & 2))) > -#define NS_TO_GLITCH(y) (((~y<<7) | ~((y<<6) ^ ((y<<5 & 1<<6) | ~0x40))) & > 0xc0) > - > -/* > -;==================== > -; DMA Register > -;==================== > -*/ > -/*; DMA Command Reg.(+40H) (rw) */ > -#define READ_DIRECTION BIT7 > -#define WRITE_DIRECTION 0 > -#define EN_DMA_INT BIT6 > -#define EN_PAGE_INT BIT5 /* page transfer interrupt enable */ > -#define MAP_TO_MDL BIT4 > -#define DIAGNOSTIC BIT2 > -#define DMA_IDLE_CMD 0 > -#define DMA_BLAST_CMD BIT0 > -#define DMA_ABORT_CMD BIT1 > -#define DMA_START_CMD (BIT1+BIT0) > - > -/*; DMA Status Reg.(+54H) (r) */ > -#define PCI_MS_ABORT BIT6 > -#define BLAST_COMPLETE BIT5 > -#define SCSI_INTERRUPT BIT4 > -#define DMA_XFER_DONE BIT3 > -#define DMA_XFER_ABORT BIT2 > -#define DMA_XFER_ERROR BIT1 > -#define POWER_DOWN BIT0 > - > -/*; DMA SCSI Bus and Ctrl.(+70H) */ > -#define EN_INT_ON_PCI_ABORT BIT25 > -#define WRT_ERASE_DMA_STAT BIT24 > -#define PW_DOWN_CTRL BIT21 > -#define SCSI_BUSY BIT20 > -#define SCLK BIT19 > -#define SCAM BIT18 > -#define SCSI_LINES 0x0003ffff > - > -/* > -;========================================================== > -; SCSI Chip register address offset > -;========================================================== > -;Registers are rw unless declared otherwise > -*/ > -#define CtcReg_Low 0x00 /* r curr. transfer count */ > -#define CtcReg_Mid 0x04 /* r */ > -#define CtcReg_High 0x38 /* r */ > -#define ScsiFifo 0x08 > -#define ScsiCmd 0x0C > -#define Scsi_Status 0x10 /* r */ > -#define INT_Status 0x14 /* r */ > -#define Sync_Period 0x18 /* w */ > -#define Sync_Offset 0x1C /* w */ > -#define Clk_Factor 0x24 /* w */ > -#define CtrlReg1 0x20 > -#define CtrlReg2 0x2C > -#define CtrlReg3 0x30 > -#define CtrlReg4 0x34 > -#define DMA_Cmd 0x40 > -#define DMA_XferCnt 0x44 /* rw starting transfer count (32 bit) */ > -#define DMA_XferAddr 0x48 /* rw starting physical address (32 bit) */ > -#define DMA_Wk_ByteCntr 0x4C /* r working byte counter */ > -#define DMA_Wk_AddrCntr 0x50 /* r working address counter */ > -#define DMA_Status 0x54 /* r */ > -#define DMA_MDL_Addr 0x58 /* rw starting MDL address */ > -#define DMA_Wk_MDL_Cntr 0x5C /* r working MDL counter */ > -#define DMA_ScsiBusCtrl 0x70 /* rw SCSI Bus, PCI/DMA Ctrl */ > - > -#define StcReg_Low CtcReg_Low /* w start transfer count */ > -#define StcReg_Mid CtcReg_Mid /* w */ > -#define StcReg_High CtcReg_High /* w */ > -#define Scsi_Dest_ID Scsi_Status /* w */ > -#define Scsi_TimeOut INT_Status /* w */ > -#define Intern_State Sync_Period /* r */ > -#define Current_Fifo Sync_Offset /* r Curr. FIFO / int. state */ > - > - > -#define DC390_read8(address) \ > - (inb (pACB->IOPortBase + (address))) > - > -#define DC390_read8_(address, base) \ > - (inb ((u16)(base) + (address))) > - > -#define DC390_read16(address) \ > - (inw (pACB->IOPortBase + (address))) > - > -#define DC390_read32(address) \ > - (inl (pACB->IOPortBase + (address))) > - > -#define DC390_write8(address,value) \ > - outb ((value), pACB->IOPortBase + (address)) > - > -#define DC390_write8_(address,value,base) \ > - outb ((value), (u16)(base) + (address)) > - > -#define DC390_write16(address,value) \ > - outw ((value), pACB->IOPortBase + (address)) > - > -#define DC390_write32(address,value) \ > - outl ((value), pACB->IOPortBase + (address)) > - > - > -#endif /* _TMSCSIM_H */ > -- > 1.8.5.2 > -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
