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Diffstat (limited to 'include/asm-powerpc/iseries/vio.h')
| -rw-r--r-- | include/asm-powerpc/iseries/vio.h | 265 |
1 files changed, 0 insertions, 265 deletions
diff --git a/include/asm-powerpc/iseries/vio.h b/include/asm-powerpc/iseries/vio.h deleted file mode 100644 index f9ac0d00b95..00000000000 --- a/include/asm-powerpc/iseries/vio.h +++ /dev/null @@ -1,265 +0,0 @@ -/* -*- linux-c -*- - * - * iSeries Virtual I/O Message Path header - * - * Authors: Dave Boutcher <boutcher@us.ibm.com> - * Ryan Arnold <ryanarn@us.ibm.com> - * Colin Devilbiss <devilbis@us.ibm.com> - * - * (C) Copyright 2000 IBM Corporation - * - * This header file is used by the iSeries virtual I/O device - * drivers. It defines the interfaces to the common functions - * (implemented in drivers/char/viopath.h) as well as defining - * common functions and structures. Currently (at the time I - * wrote this comment) the iSeries virtual I/O device drivers - * that use this are - * drivers/block/viodasd.c - * drivers/char/viocons.c - * drivers/char/viotape.c - * drivers/cdrom/viocd.c - * - * The iSeries virtual ethernet support (veth.c) uses a whole - * different set of functions. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or (at your option) anyu later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ -#ifndef _ASM_POWERPC_ISERIES_VIO_H -#define _ASM_POWERPC_ISERIES_VIO_H - -#include <asm/iseries/hv_types.h> -#include <asm/iseries/hv_lp_event.h> - -/* - * iSeries virtual I/O events use the subtype field in - * HvLpEvent to figure out what kind of vio event is coming - * in. We use a table to route these, and this defines - * the maximum number of distinct subtypes - */ -#define VIO_MAX_SUBTYPES 8 - -#define VIOMAXBLOCKDMA 12 - -struct open_data { - u64 disk_size; - u16 max_disk; - u16 cylinders; - u16 tracks; - u16 sectors; - u16 bytes_per_sector; -}; - -struct rw_data { - u64 offset; - struct { - u32 token; - u32 reserved; - u64 len; - } dma_info[VIOMAXBLOCKDMA]; -}; - -struct vioblocklpevent { - struct HvLpEvent event; - u32 reserved; - u16 version; - u16 sub_result; - u16 disk; - u16 flags; - union { - struct open_data open_data; - struct rw_data rw_data; - u64 changed; - } u; -}; - -#define vioblockflags_ro 0x0001 - -enum vioblocksubtype { - vioblockopen = 0x0001, - vioblockclose = 0x0002, - vioblockread = 0x0003, - vioblockwrite = 0x0004, - vioblockflush = 0x0005, - vioblockcheck = 0x0007 -}; - -struct viocdlpevent { - struct HvLpEvent event; - u32 reserved; - u16 version; - u16 sub_result; - u16 disk; - u16 flags; - u32 token; - u64 offset; /* On open, max number of disks */ - u64 len; /* On open, size of the disk */ - u32 block_size; /* Only set on open */ - u32 media_size; /* Only set on open */ -}; - -enum viocdsubtype { - viocdopen = 0x0001, - viocdclose = 0x0002, - viocdread = 0x0003, - viocdwrite = 0x0004, - viocdlockdoor = 0x0005, - viocdgetinfo = 0x0006, - viocdcheck = 0x0007 -}; - -struct viotapelpevent { - struct HvLpEvent event; - u32 reserved; - u16 version; - u16 sub_type_result; - u16 tape; - u16 flags; - u32 token; - u64 len; - union { - struct { - u32 tape_op; - u32 count; - } op; - struct { - u32 type; - u32 resid; - u32 dsreg; - u32 gstat; - u32 erreg; - u32 file_no; - u32 block_no; - } get_status; - struct { - u32 block_no; - } get_pos; - } u; -}; - -enum viotapesubtype { - viotapeopen = 0x0001, - viotapeclose = 0x0002, - viotaperead = 0x0003, - viotapewrite = 0x0004, - viotapegetinfo = 0x0005, - viotapeop = 0x0006, - viotapegetpos = 0x0007, - viotapesetpos = 0x0008, - viotapegetstatus = 0x0009 -}; - -/* - * Each subtype can register a handler to process their events. - * The handler must have this interface. - */ -typedef void (vio_event_handler_t) (struct HvLpEvent * event); - -extern int viopath_open(HvLpIndex remoteLp, int subtype, int numReq); -extern int viopath_close(HvLpIndex remoteLp, int subtype, int numReq); -extern int vio_setHandler(int subtype, vio_event_handler_t * beh); -extern int vio_clearHandler(int subtype); -extern int viopath_isactive(HvLpIndex lp); -extern HvLpInstanceId viopath_sourceinst(HvLpIndex lp); -extern HvLpInstanceId viopath_targetinst(HvLpIndex lp); -extern void vio_set_hostlp(void); -extern void *vio_get_event_buffer(int subtype); -extern void vio_free_event_buffer(int subtype, void *buffer); - -extern struct vio_dev *vio_create_viodasd(u32 unit); - -extern HvLpIndex viopath_hostLp; -extern HvLpIndex viopath_ourLp; - -#define VIOCHAR_MAX_DATA 200 - -#define VIOMAJOR_SUBTYPE_MASK 0xff00 -#define VIOMINOR_SUBTYPE_MASK 0x00ff -#define VIOMAJOR_SUBTYPE_SHIFT 8 - -#define VIOVERSION 0x0101 - -/* - * This is the general structure for VIO errors; each module should have - * a table of them, and each table should be terminated by an entry of - * { 0, 0, NULL }. Then, to find a specific error message, a module - * should pass its local table and the return code. - */ -struct vio_error_entry { - u16 rc; - int errno; - const char *msg; -}; -extern const struct vio_error_entry *vio_lookup_rc( - const struct vio_error_entry *local_table, u16 rc); - -enum viosubtypes { - viomajorsubtype_monitor = 0x0100, - viomajorsubtype_blockio = 0x0200, - viomajorsubtype_chario = 0x0300, - viomajorsubtype_config = 0x0400, - viomajorsubtype_cdio = 0x0500, - viomajorsubtype_tape = 0x0600, - viomajorsubtype_scsi = 0x0700 -}; - -enum vioconfigsubtype { - vioconfigget = 0x0001, -}; - -enum viorc { - viorc_good = 0x0000, - viorc_noConnection = 0x0001, - viorc_noReceiver = 0x0002, - viorc_noBufferAvailable = 0x0003, - viorc_invalidMessageType = 0x0004, - viorc_invalidRange = 0x0201, - viorc_invalidToken = 0x0202, - viorc_DMAError = 0x0203, - viorc_useError = 0x0204, - viorc_releaseError = 0x0205, - viorc_invalidDisk = 0x0206, - viorc_openRejected = 0x0301 -}; - -/* - * The structure of the events that flow between us and OS/400 for chario - * events. You can't mess with this unless the OS/400 side changes too. - */ -struct viocharlpevent { - struct HvLpEvent event; - u32 reserved; - u16 version; - u16 subtype_result_code; - u8 virtual_device; - u8 len; - u8 data[VIOCHAR_MAX_DATA]; -}; - -#define VIOCHAR_WINDOW 10 - -enum viocharsubtype { - viocharopen = 0x0001, - viocharclose = 0x0002, - viochardata = 0x0003, - viocharack = 0x0004, - viocharconfig = 0x0005 -}; - -enum viochar_rc { - viochar_rc_ebusy = 1 -}; - -#endif /* _ASM_POWERPC_ISERIES_VIO_H */ |