scsi/sym53c8xx_2/sym_hipd.h

1 /* SPDX-License-Identifier: GPL-2.0-or-later */
4  * of PCI-SCSI IO processors.
6  * Copyright (C) 1999-2001  Gerard Roudier <groudier@free.fr>
9  * Copyright (C) 1998-2000  Gerard Roudier
12  * a port of the FreeBSD ncr driver to Linux-1.2.13.
16  *         Stefan Esser                <se@mi.Uni-Koeln.de>
24  *-----------------------------------------------------------------------------
33  *  Generic driver options.
75 #define sym_verbose	(np->verbose)
131  *    Asynchronous pre-scaler (ns). Shall be 40 for
153 #define SYM_MEM_CLUSTER_MASK	(SYM_MEM_CLUSTER_SIZE-1)
165 #define	SYM_CONF_MAX_START (SYM_CONF_MAX_QUEUE-2)
172 #define	SYM_CONF_MAX_START (SYM_CONF_MAX_QUEUE-2)
176  *  For this one, we want a short name :-)
184 #define INB_OFF(np, o)		ioread8(np->s.ioaddr + (o))
185 #define INW_OFF(np, o)		ioread16(np->s.ioaddr + (o))
186 #define INL_OFF(np, o)		ioread32(np->s.ioaddr + (o))
188 #define OUTB_OFF(np, o, val)	iowrite8((val), np->s.ioaddr + (o))
189 #define OUTW_OFF(np, o, val)	iowrite16((val), np->s.ioaddr + (o))
190 #define OUTL_OFF(np, o, val)	iowrite32((val), np->s.ioaddr + (o))
295 #define CCB_HASH_MASK		(CCB_HASH_SIZE-1)
306  *  16 segments registers -> up to 64 GB addressable.
310 #define SYM_DMAP_MASK	(SYM_DMAP_SIZE-1)
322  *  Host adapter miscellaneous flags.
359 	 *  LUN #0 is a special case, since multi-lun devices are rare,
360 	 *  and we we want to speed-up the general case and not waste
370 /*0*/	u_char	uval;		/* -> SCNTL4 register		*/
371 /*1*/	u_char	sval;		/* -> SXFER  io register	*/
373 /*3*/	u_char	wval;		/* -> SCNTL3 io register	*/
568 #define sym_lp(tp, lun) (!lun) ? (tp)->lun0p : NULL
571 	(!lun) ? (tp)->lun0p : (tp)->lunmp ? (tp)->lunmp[((u8)lun)] : NULL
575  *  Status are used by the host and the script processor.
596  *  Last four bytes (host)
604  *  Host flags
618  *  More host flags
659  *  We must distinguish between the LOAD/STORE-based SCRIPTS
660  *  that use directly the header in the CCB, and the NCR-GENERIC
666 		if (np->features & FE_LDSTR)			\
667 			cp->phys.head.lastp = cpu_to_scr(dp);	\
669 			np->ccb_head.lastp = cpu_to_scr(dp);	\
672 	scr_to_cpu((np->features & FE_LDSTR) ?			\
673 		cp->phys.head.lastp : np->ccb_head.lastp)
677 		cp->phys.head.lastp = cpu_to_scr(dp);		\
680 #define sym_get_script_dp(np, cp) (cp->phys.head.lastp)
730 	 *  Pointer to CAM ccb and related stuff.
732 	struct scsi_cmnd *cmd;	/* CAM scsiio ccb		*/
740 	unsigned char odd_byte_adjustment;	/* odd-sized req on wide bus */
774 	struct sym_ccb *link_ccbh;	/* Host adapter CCB hash chain	*/
790 #define CCB_BA(cp,lbl)	cpu_to_scr(cp->ccb_ba + offsetof(struct sym_ccb, lbl))
795  *  Host Control Block
824 	 *  Bus address of this host control block.
829 	 *  Bit 32-63 of the on-chip RAM bus address in LE format.
882 	 *  'script'  is loaded in the on-chip RAM if present.
884 	 *  53C895A, 53C896 and 53C1010 that provide 8K on-chip RAM.
923 	u32	pciclk_khz;	/* Estimated PCI clock  in KHz	*/
926 	 *  It is filled up by the host processor and accessed by the
945 	 *  Miscellaneous buffers accessed by the scripts-processor.
1013 	u_char	use_dac;		/* Use PCI DAC cycles		*/
1025 #define use_dac(np)	(np)->use_dac
1026 #define set_dac(np)	(np)->use_dac = 1
1029 #define HCB_BA(np, lbl)	(np->hcb_ba + offsetof(struct sym_hcb, lbl))
1067  *  to provide bus address bits 32-39 to the SCRIPTS processor.
1075 	(data)->addr = cpu_to_scr(badd);	\
1076 	(data)->size = cpu_to_scr(len);		\
1082 	(data)->addr = cpu_to_scr(badd);				\
1083 	(data)->size = cpu_to_scr((((badd) >> 8) & 0xff000000) + len);	\
1094 	if (h != np->dmap_bah[s])  in sym_build_sge()
1097 	(data)->addr = cpu_to_scr(badd);  in sym_build_sge()
1098 	(data)->size = cpu_to_scr((s<<24) + len);  in sym_build_sge()
1137 #define VTOB_HASH_MASK		(VTOB_HASH_SIZE-1)
1156 #define M_GET_MEM_CLUSTER()		mp->get_mem_cluster(mp)
1157 #define M_FREE_MEM_CLUSTER(p)		mp->free_mem_cluster(mp, p)
1161 	struct sym_m_link h[SYM_MEM_CLUSTER_SHIFT - SYM_MEM_SHIFT + 1];
1179 #define _sym_calloc_dma(np, l, n)	__sym_calloc_dma(np->bus_dmat, l, n)
1181 			__sym_mfree_dma(np->bus_dmat, _uvptv_(p), l, n)
1184 #define vtobus(p)			__vtobus(np->bus_dmat, _uvptv_(p))
1198 	vaddr = dma_alloc_coherent(mp->dev_dmat, SYM_MEM_CLUSTER_SIZE, &baddr,  in sym_m_get_dma_mem_cluster()
1201 		vbp->vaddr = vaddr;  in sym_m_get_dma_mem_cluster()
1202 		vbp->baddr = baddr;  in sym_m_get_dma_mem_cluster()
1209 	dma_free_coherent(mp->dev_dmat, SYM_MEM_CLUSTER_SIZE, vbp->vaddr,  in sym_m_free_dma_mem_cluster()
1210 			vbp->baddr);  in sym_m_free_dma_mem_cluster()