Add ahd. ok krw@

1 files changed, 539 insertions, 0 deletions

diff --git a/sys/dev/ic/aic79xx_openbsd.h b/sys/dev/ic/aic79xx_openbsd.h
new file mode 100644
index 00000000000..07334f0f5fa
--- /dev/null
+++ b/sys/dev/ic/aic79xx_openbsd.h
@@ -0,0 +1,539 @@
+/*	$OpenBSD: aic79xx_openbsd.h,v 1.1 2004/05/20 03:11:45 marco Exp $	*/
+/*
+ * FreeBSD platform specific driver option settings, data structures,
+ * function declarations and includes.
+ *
+ * Copyright (c) 1994-2001 Justin T. Gibbs.
+ * Copyright (c) 2001-2002 Adaptec Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU Public License ("GPL").
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: aic79xx_openbsd.h,v 1.1 2004/05/20 03:11:45 marco Exp $
+ *
+ * $FreeBSD: src/sys/dev/aic7xxx/aic79xx_osm.h,v 1.13 2003/12/17 00:02:09 gibbs Exp $
+ *
+ * Additional copyrights by:
+ * Milos Urbanek
+ * Kenneth R. Westerback
+ * Marco Peereboom
+ *
+ */
+
+#ifndef _AIC79XX_OPENBSD_H_
+#define _AIC79XX_OPENBSD_H_
+
+#include "pci.h"		/* for config options */
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/systm.h>
+#include <sys/device.h>
+#include <sys/malloc.h>
+#include <sys/buf.h>
+#include <sys/proc.h>
+#include <sys/queue.h>
+
+#define AIC_PCI_CONFIG 1
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+
+#include <machine/bus.h>
+#include <machine/intr.h>
+
+#include <scsi/scsi_all.h>
+#include <scsi/scsi_message.h>
+#include <scsi/scsi_debug.h>
+#include <scsi/scsiconf.h>
+
+#include <uvm/uvm_extern.h>
+
+#ifdef DEBUG
+#define bootverbose     1
+#else 
+#define bootverbose     0
+#endif
+/****************************** Platform Macros *******************************/
+#define	SCSI_IS_SCSIBUS_B(ahd, sc_link)	\
+	(0)
+#define	SCSI_CHANNEL(ahd, sc_link)	\
+	('A')
+#define	SCSI_SCSI_ID(ahd, sc_link)	\
+	(ahd->our_id)
+#define BUILD_SCSIID(ahd, sc_link, target_id, our_id) \
+        ((((target_id) << TID_SHIFT) & TID) | (our_id))
+        
+#ifndef offsetof
+#define offsetof(type, member)  ((size_t)(&((type *)0)->member))
+#endif
+
+/************************* Forward Declarations *******************************/typedef struct pci_attach_args * ahd_dev_softc_t;
+
+/***************************** Bus Space/DMA **********************************/
+
+/* XXX Need to update Bus DMA for partial map syncs */
+#define ahd_dmamap_sync(ahc, dma_tag, dmamap, offset, len, op)		\
+	bus_dmamap_sync(dma_tag, dmamap, offset, len, op)
+
+/************************ Tunable Driver Parameters  **************************/
+/*
+ * The number of dma segments supported.  The sequencer can handle any number
+ * of physically contiguous S/G entrys.  To reduce the driver's memory
+ * consumption, we limit the number supported to be sufficient to handle
+ * the largest mapping supported by the kernel, MAXPHYS.  Assuming the
+ * transfer is as fragmented as possible and unaligned, this turns out to
+ * be the number of paged sized transfers in MAXPHYS plus an extra element
+ * to handle any unaligned residual.  The sequencer fetches SG elements
+ * in cacheline sized chucks, so make the number per-transaction an even
+ * multiple of 16 which should align us on even the largest of cacheline
+ * boundaries. 
+ */
+#define AHD_NSEG (roundup(btoc(MAXPHYS) + 1, 16))
+
+/* This driver supports target mode */
+// #define AHD_TARGET_MODE 1
+
+/************************** Softc/SCB Platform Data ***************************/
+struct ahd_platform_data {
+};
+
+struct scb_platform_data {
+};
+
+/********************************* Byte Order *********************************/
+#define ahd_htobe16(x) htobe16(x)
+#define ahd_htobe32(x) htobe32(x)
+#define ahd_htobe64(x) htobe64(x)
+#define ahd_htole16(x) htole16(x)
+#define ahd_htole32(x) htole32(x)
+#define ahd_htole64(x) htole64(x)
+
+#define ahd_be16toh(x) be16toh(x)
+#define ahd_be32toh(x) be32toh(x)
+#define ahd_be64toh(x) be64toh(x)
+#define ahd_le16toh(x) letoh16(x)
+#define ahd_le32toh(x) letoh32(x)
+#define ahd_le64toh(x) letoh64(x)
+
+/************************** Timer DataStructures ******************************/
+typedef struct timeout ahd_timer_t;
+
+/***************************** Core Includes **********************************/
+
+#if AHD_REG_PRETTY_PRINT
+#define AIC_DEBUG_REGISTERS 1
+#else
+#define AIC_DEBUG_REGISTERS 0
+#endif
+#include <dev/ic/aic79xx.h>
+
+/***************************** Timer Facilities *******************************/
+void ahd_timeout(void*);
+
+ahd_callback_t  ahd_reset_poll;
+ahd_callback_t  ahd_stat_timer;
+
+#define ahd_timer_init callout_init
+#define ahd_timer_stop callout_stop
+
+static __inline void
+ahd_timer_reset(ahd_timer_t *timer, u_int usec, ahd_callback_t *func, void *arg)
+{
+	callout_reset(timer, (usec * hz)/1000000, func, arg);
+}
+
+static __inline void
+ahd_scb_timer_reset(struct scb *scb, u_int usec)
+{
+	if (!(scb->xs->xs_control & XS_CTL_POLL)) {
+		callout_reset(&scb->xs->xs_callout,
+		    (usec * hz)/1000000, ahd_timeout, scb);
+	}
+}
+
+/*************************** Device Access ************************************/
+#define ahd_inb(ahd, port)					\
+	bus_space_read_1((ahd)->tags[(port) >> 8],		\
+			 (ahd)->bshs[(port) >> 8], (port) & 0xFF)
+
+#define ahd_outb(ahd, port, value)				\
+	bus_space_write_1((ahd)->tags[(port) >> 8],		\
+			  (ahd)->bshs[(port) >> 8], (port) & 0xFF, value)
+
+#define ahd_inw_atomic(ahd, port)				\
+	ahd_le16toh(bus_space_read_2((ahd)->tags[(port) >> 8],	\
+				     (ahd)->bshs[(port) >> 8], (port) & 0xFF))
+
+#define ahd_outw_atomic(ahd, port, value)			\
+	bus_space_write_2((ahd)->tags[(port) >> 8],		\
+			  (ahd)->bshs[(port) >> 8],		\
+			  (port & 0xFF), ahd_htole16(value))
+
+#define ahd_outsb(ahd, port, valp, count)			\
+	bus_space_write_multi_1((ahd)->tags[(port) >> 8],	\
+				(ahd)->bshs[(port) >> 8],	\
+				(port & 0xFF), valp, count)
+
+#define ahd_insb(ahd, port, valp, count)			\
+	bus_space_read_multi_1((ahd)->tags[(port) >> 8],	\
+			       (ahd)->bshs[(port) >> 8],	\
+			       (port & 0xFF), valp, count)
+
+static __inline void ahd_flush_device_writes(struct ahd_softc *);
+
+static __inline void
+ahd_flush_device_writes(struct ahd_softc *ahd)
+{
+	/* XXX Is this sufficient for all architectures??? */
+	ahd_inb(ahd, INTSTAT);
+}
+
+/**************************** Locking Primitives ******************************/
+/* Lock protecting internal data structures */
+static __inline void ahd_lockinit(struct ahd_softc *);
+static __inline void ahd_lock(struct ahd_softc *, int *flags);
+static __inline void ahd_unlock(struct ahd_softc *, int *flags);
+
+/* Lock held during command compeletion to the upper layer */
+static __inline void ahd_done_lockinit(struct ahd_softc *);
+static __inline void ahd_done_lock(struct ahd_softc *, int *flags);
+static __inline void ahd_done_unlock(struct ahd_softc *, int *flags);
+
+/* Lock held during ahd_list manipulation and ahd softc frees */
+static __inline void ahd_list_lockinit(void);
+static __inline void ahd_list_lock(int *flags);
+static __inline void ahd_list_unlock(int *flags);
+
+static __inline void
+ahd_lockinit(struct ahd_softc *ahd)
+{
+}
+
+static __inline void
+ahd_lock(struct ahd_softc *ahd, int *flags)
+{
+	*flags = splbio();
+}
+
+static __inline void
+ahd_unlock(struct ahd_softc *ahd, int *flags)
+{
+	splx(*flags);
+}
+
+/* Lock held during command compeletion to the upper layer */
+static __inline void
+ahd_done_lockinit(struct ahd_softc *ahd)
+{
+}
+
+static __inline void
+ahd_done_lock(struct ahd_softc *ahd, int *flags)
+{
+}
+
+static __inline void
+ahd_done_unlock(struct ahd_softc *ahd, int *flags)
+{
+}
+
+/* Lock held during ahd_list manipulation and ahd softc frees */
+static __inline void
+ahd_list_lockinit(void)
+{
+}
+
+static __inline void
+ahd_list_lock(int *flags)
+{
+}
+
+static __inline void
+ahd_list_unlock(int *flags)
+{
+}
+
+/****************************** OS Primitives *********************************/
+#define ahd_delay DELAY
+
+/************************** Transaction Operations ****************************/
+static __inline void ahd_set_transaction_status(struct scb *, uint32_t);
+static __inline void ahd_set_scsi_status(struct scb *, uint32_t);
+static __inline uint32_t ahd_get_transaction_status(struct scb *);
+static __inline uint32_t ahd_get_scsi_status(struct scb *);
+static __inline void ahd_set_transaction_tag(struct scb *, int, u_int);
+static __inline u_long ahd_get_transfer_length(struct scb *);
+static __inline int ahd_get_transfer_dir(struct scb *);
+static __inline void ahd_set_residual(struct scb *, u_long);
+static __inline void ahd_set_sense_residual(struct scb *, u_long);
+static __inline u_long ahd_get_residual(struct scb *);
+static __inline int ahd_perform_autosense(struct scb *);
+static __inline uint32_t ahd_get_sense_bufsize(struct ahd_softc*, struct scb*);
+static __inline void ahd_freeze_simq(struct ahd_softc *);
+static __inline void ahd_release_simq(struct ahd_softc *);
+static __inline void ahd_freeze_scb(struct scb *);
+static __inline void ahd_platform_freeze_devq(struct ahd_softc *, struct scb *);
+static __inline int  ahd_platform_abort_scbs(struct ahd_softc *, int,
+		    char, int, u_int, role_t, uint32_t);
+
+static __inline
+void ahd_set_transaction_status(struct scb *scb, uint32_t status)
+{
+	scb->xs->error = status;
+}
+
+static __inline
+void ahd_set_scsi_status(struct scb *scb, uint32_t status)
+{
+	scb->xs->xs_status = status;
+}
+
+static __inline
+uint32_t ahd_get_transaction_status(struct scb *scb)
+{
+	if (scb->xs->flags & ITSDONE)
+		return CAM_REQ_CMP;
+	else
+		return scb->xs->error;
+}
+
+static __inline
+uint32_t ahd_get_scsi_status(struct scb *scb)
+{
+	return (scb->xs->status);
+}
+
+static __inline
+void ahd_set_transaction_tag(struct scb *scb, int enabled, u_int type)
+{
+}
+
+static __inline
+u_long ahd_get_transfer_length(struct scb *scb)
+{
+	return (scb->xs->datalen);
+}
+
+static __inline
+int ahd_get_transfer_dir(struct scb *scb)
+{
+	return (scb->xs->flags & (SCSI_DATA_IN | SCSI_DATA_OUT));
+}
+
+static __inline
+void ahd_set_residual(struct scb *scb, u_long resid)
+{
+	scb->xs->resid = resid;
+}
+
+static __inline
+void ahd_set_sense_residual(struct scb *scb, u_long resid)
+{
+	scb->xs->resid = resid;
+}
+
+static __inline
+u_long ahd_get_residual(struct scb *scb)
+{
+	return (scb->xs->resid);
+}
+
+static __inline
+int ahd_perform_autosense(struct scb *scb)
+{
+	/* Return true for OpenBSD */
+	return (1);
+}
+
+static __inline uint32_t
+ahd_get_sense_bufsize(struct ahd_softc *ahd, struct scb *scb)
+{
+	return (sizeof(struct scsi_sense_data));
+}
+
+static __inline void
+ahd_freeze_simq(struct ahd_softc *ahd)
+{
+        /* do nothing for now */
+}
+
+static __inline void
+ahd_release_simq(struct ahd_softc *ahd)
+{
+        /* do nothing for now */
+}
+
+static __inline void
+ahd_freeze_scb(struct scb *scb)
+{
+	struct scsi_xfer *xs = scb->xs;
+	int target;
+
+	target = xs->sc_link->target;
+	if (!(scb->flags & SCB_FREEZE_QUEUE)) {
+		scb->flags |= SCB_FREEZE_QUEUE;
+	}
+}
+
+static __inline void
+ahd_platform_freeze_devq(struct ahd_softc *ahd, struct scb *scb)
+{
+}
+
+static __inline int
+ahd_platform_abort_scbs(struct ahd_softc *ahd, int target,
+			char channel, int lun, u_int tag,
+			role_t role, uint32_t status)
+{
+	return (0);
+}
+
+static __inline void
+ahd_platform_scb_free(struct ahd_softc *ahd, struct scb *scb)
+{
+	int s;
+
+	ahd_lock(ahd, &s);
+
+	if ((ahd->flags & AHD_RESOURCE_SHORTAGE) != 0 ||
+	    (scb->flags & SCB_RECOVERY_SCB) != 0) {
+		ahd->flags &= ~AHD_RESOURCE_SHORTAGE;
+	}
+
+	timeout_del(&scb->xs->stimeout);
+
+	ahd_unlock(ahd, &s);
+}
+
+/********************************** PCI ***************************************/
+#if AHD_PCI_CONFIG > 0
+static __inline uint32_t ahd_pci_read_config(ahd_dev_softc_t, int, int);
+static __inline void	ahd_pci_write_config(ahd_dev_softc_t, int,
+		uint32_t, int);
+static __inline int	ahd_get_pci_function(ahd_dev_softc_t);
+static __inline int	ahd_get_pci_slot(ahd_dev_softc_t);
+static __inline int	ahd_get_pci_bus(ahd_dev_softc_t);
+
+int			ahd_pci_map_registers(struct ahd_softc *);
+int			ahd_pci_map_int(struct ahd_softc *);
+
+static __inline uint32_t
+ahd_pci_read_config(ahd_dev_softc_t pci, int reg, int width)
+{
+	return (pci_conf_read(pci->pa_pc, pci->pa_tag, reg));
+}
+
+static __inline void
+ahd_pci_write_config(ahd_dev_softc_t pci, int reg, uint32_t value, int width)
+{
+	pci_conf_write(pci->pa_pc, pci->pa_tag, reg, value);
+}
+
+static __inline int
+ahd_get_pci_function(ahd_dev_softc_t pci)
+{
+	return (pci->pa_function);
+}
+
+static __inline int
+ahd_get_pci_slot(ahd_dev_softc_t pci)
+{
+	return (pci->pa_device);
+}
+
+
+static __inline int
+ahd_get_pci_bus(ahd_dev_softc_t pci)
+{
+	return (pci->pa_bus);
+}
+#endif
+
+typedef enum
+{
+	AHD_POWER_STATE_D0,
+	AHD_POWER_STATE_D1,
+	AHD_POWER_STATE_D2,
+	AHD_POWER_STATE_D3
+} ahd_power_state;
+
+void ahd_power_state_change(struct ahd_softc *, ahd_power_state);
+
+/******************************** VL/EISA *************************************/
+int aic7770_map_registers(struct ahd_softc *);
+int aic7770_map_int(struct ahd_softc *, int);
+
+/********************************* Debug **************************************/
+static __inline void	ahd_print_path(struct ahd_softc *, struct scb *);
+static __inline void	ahd_platform_dump_card_state(struct ahd_softc *ahd);
+
+static __inline void
+ahd_print_path(struct ahd_softc *ahd, struct scb *scb)
+{
+	sc_print_addr(scb->xs->sc_link);
+}
+
+static __inline void
+ahd_platform_dump_card_state(struct ahd_softc *ahd)
+{
+	/* Nothing to do here for OpenBSD */
+	printf("FEATURES = 0x%x, FLAGS = 0x%x, CHIP = 0x%x BUGS =0x%x\n",
+		ahd->features, ahd->flags, ahd->chip, ahd->bugs);
+}
+/**************************** Transfer Settings *******************************/
+void	  ahd_notify_xfer_settings_change(struct ahd_softc *,
+					  struct ahd_devinfo *);
+void	  ahd_platform_set_tags(struct ahd_softc *, struct ahd_devinfo *,
+				ahd_queue_alg);
+
+/************************* Initialization/Teardown ****************************/
+int	  ahd_platform_alloc(struct ahd_softc *, void *);
+void	  ahd_platform_free(struct ahd_softc *);
+int	  ahd_attach(struct ahd_softc *);
+int	  ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd);
+int	  ahd_detach(struct device *, int);
+#define	ahd_platform_init
+
+/****************************** Interrupts ************************************/
+int			ahd_platform_intr(void *);
+static __inline void	ahd_platform_flushwork(struct ahd_softc *ahd);
+static __inline void
+ahd_platform_flushwork(struct ahd_softc *ahd)
+{
+}
+
+/************************ Misc Function Declarations **************************/
+void	  ahd_done(struct ahd_softc *, struct scb *);
+void	  ahd_send_async(struct ahd_softc *, char /*channel*/,
+			 u_int /*target*/, u_int /*lun*/, ac_code, void *arg);
+/************************ SCSI task management **************************/
+#define SIU_TASKMGMT_NONE               0x00
+#define SIU_TASKMGMT_ABORT_TASK         0x01
+#define SIU_TASKMGMT_ABORT_TASK_SET     0x02
+#define SIU_TASKMGMT_CLEAR_TASK_SET     0x04
+#define SIU_TASKMGMT_LUN_RESET          0x08
+#define SIU_TASKMGMT_TARGET_RESET       0x20
+#define SIU_TASKMGMT_CLEAR_ACA          0x40
+#endif  /* _AIC79XX_OPENBSD_H_ */