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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License (the "License").
      6  * You may not use this file except in compliance with the License.
      7  *
      8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
      9  * or http://www.opensolaris.org/os/licensing.
     10  * See the License for the specific language governing permissions
     11  * and limitations under the License.
     12  *
     13  * When distributing Covered Code, include this CDDL HEADER in each
     14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     15  * If applicable, add the following below this CDDL HEADER, with the
     16  * fields enclosed by brackets "[]" replaced with your own identifying
     17  * information: Portions Copyright [yyyy] [name of copyright owner]
     18  *
     19  * CDDL HEADER END
     20  */
     21 /*
     22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
     23  * Use is subject to license terms.
     24  */
     25 
     26 #ifndef _SYS_DDI_IMPLDEFS_H
     27 #define	_SYS_DDI_IMPLDEFS_H
     28 
     29 #include <sys/types.h>
     30 #include <sys/param.h>
     31 #include <sys/t_lock.h>
     32 #include <sys/ddipropdefs.h>
     33 #include <sys/devops.h>
     34 #include <sys/autoconf.h>
     35 #include <sys/mutex.h>
     36 #include <vm/page.h>
     37 #include <sys/dacf_impl.h>
     38 #include <sys/ndifm.h>
     39 #include <sys/epm.h>
     40 #include <sys/ddidmareq.h>
     41 #include <sys/ddi_intr.h>
     42 #include <sys/ddi_hp.h>
     43 #include <sys/ddi_hp_impl.h>
     44 #include <sys/ddi_isa.h>
     45 #include <sys/id_space.h>
     46 #include <sys/modhash.h>
     47 #include <sys/bitset.h>
     48 
     49 #ifdef	__cplusplus
     50 extern "C" {
     51 #endif
     52 
     53 /*
     54  * The device id implementation has been switched to be based on properties.
     55  * For compatibility with di_devid libdevinfo interface the following
     56  * must be defined:
     57  */
     58 #define	DEVID_COMPATIBILITY	((ddi_devid_t)-1)
     59 
     60 /*
     61  * Definitions for node class.
     62  * DDI_NC_PROM: a node with a nodeid that may be used in a promif call.
     63  * DDI_NC_PSEUDO: a software created node with a software assigned nodeid.
     64  */
     65 typedef enum {
     66 	DDI_NC_PROM = 0,
     67 	DDI_NC_PSEUDO
     68 } ddi_node_class_t;
     69 
     70 /*
     71  * Definitions for generic callback mechanism.
     72  */
     73 typedef enum {
     74 	DDI_CB_INTR_ADD,		/* More available interrupts */
     75 	DDI_CB_INTR_REMOVE		/* Fewer available interrupts */
     76 } ddi_cb_action_t;
     77 
     78 typedef enum {
     79 	DDI_CB_FLAG_INTR = 0x1		/* Driver is IRM aware */
     80 } ddi_cb_flags_t;
     81 
     82 #define	DDI_CB_FLAG_VALID(f)	((f) & DDI_CB_FLAG_INTR)
     83 
     84 typedef int	(*ddi_cb_func_t)(dev_info_t *dip, ddi_cb_action_t action,
     85 		    void *cbarg, void *arg1, void *arg2);
     86 
     87 typedef struct ddi_cb {
     88 	uint64_t	cb_flags;
     89 	dev_info_t	*cb_dip;
     90 	ddi_cb_func_t	cb_func;
     91 	void		*cb_arg1;
     92 	void		*cb_arg2;
     93 } ddi_cb_t;
     94 
     95 /*
     96  * dev_info:	The main device information structure this is intended to be
     97  *		opaque to drivers and drivers should use ddi functions to
     98  *		access *all* driver accessible fields.
     99  *
    100  * devi_parent_data includes property lists (interrupts, registers, etc.)
    101  * devi_driver_data includes whatever the driver wants to place there.
    102  */
    103 struct devinfo_audit;
    104 
    105 typedef struct devi_port {
    106 	union {
    107 		struct {
    108 			uint32_t type;
    109 			uint32_t pad;
    110 		} port;
    111 		uint64_t type64;
    112 	} info;
    113 	void	*priv_p;
    114 } devi_port_t;
    115 
    116 typedef struct devi_bus_priv {
    117 	devi_port_t port_up;
    118 	devi_port_t port_down;
    119 } devi_bus_priv_t;
    120 
    121 struct iommulib_unit;
    122 typedef struct iommulib_unit *iommulib_handle_t;
    123 typedef uint8_t	ndi_flavor_t;
    124 struct ddi_hp_cn_handle;
    125 
    126 struct dev_info  {
    127 
    128 	struct dev_info *devi_parent;	/* my parent node in tree	*/
    129 	struct dev_info *devi_child;	/* my child list head		*/
    130 	struct dev_info *devi_sibling;	/* next element on my level	*/
    131 
    132 	char	*devi_binding_name;	/* name used to bind driver:	*/
    133 					/* shared storage, points to	*/
    134 					/* devi_node_name, devi_compat_names */
    135 					/* or devi_rebinding_name	*/
    136 
    137 	char	*devi_addr;		/* address part of name		*/
    138 
    139 	int	devi_nodeid;		/* device nodeid		*/
    140 	int	devi_instance;		/* device instance number	*/
    141 
    142 	struct dev_ops *devi_ops;	/* driver operations		*/
    143 
    144 	void	*devi_parent_data;	/* parent private data		*/
    145 	void	*devi_driver_data;	/* driver private data		*/
    146 
    147 	ddi_prop_t *devi_drv_prop_ptr;	/* head of driver prop list */
    148 	ddi_prop_t *devi_sys_prop_ptr;	/* head of system prop list */
    149 
    150 	struct ddi_minor_data *devi_minor;	/* head of minor list */
    151 	struct dev_info *devi_next;	/* Next instance of this device */
    152 	kmutex_t devi_lock;		/* Protects per-devinfo data */
    153 
    154 	/* logical parents for busop primitives */
    155 
    156 	struct dev_info *devi_bus_map_fault;	/* bus_map_fault parent	 */
    157 	struct dev_info *devi_bus_dma_map;	/* bus_dma_map parent	 */
    158 	struct dev_info *devi_bus_dma_allochdl; /* bus_dma_newhdl parent */
    159 	struct dev_info *devi_bus_dma_freehdl;  /* bus_dma_freehdl parent */
    160 	struct dev_info *devi_bus_dma_bindhdl;  /* bus_dma_bindhdl parent */
    161 	struct dev_info *devi_bus_dma_unbindhdl; /* bus_dma_unbindhdl parent */
    162 	struct dev_info *devi_bus_dma_flush;    /* bus_dma_flush parent	 */
    163 	struct dev_info *devi_bus_dma_win;	/* bus_dma_win parent	 */
    164 	struct dev_info *devi_bus_dma_ctl;	/* bus_dma_ctl parent	 */
    165 	struct dev_info	*devi_bus_ctl;		/* bus_ctl parent	 */
    166 
    167 	ddi_prop_t *devi_hw_prop_ptr;		/* head of hw prop list */
    168 
    169 	char	*devi_node_name;		/* The 'name' of the node */
    170 	char	*devi_compat_names;		/* A list of driver names */
    171 	size_t	devi_compat_length;		/* Size of compat_names */
    172 
    173 	int (*devi_bus_dma_bindfunc)(dev_info_t *, dev_info_t *,
    174 	    ddi_dma_handle_t, struct ddi_dma_req *, ddi_dma_cookie_t *,
    175 	    uint_t *);
    176 	int (*devi_bus_dma_unbindfunc)(dev_info_t *, dev_info_t *,
    177 	    ddi_dma_handle_t);
    178 
    179 	char		*devi_devid_str;	/* registered device id */
    180 
    181 	/*
    182 	 * power management entries
    183 	 * components exist even if the device is not currently power managed
    184 	 */
    185 	struct pm_info *devi_pm_info;		/* 0 => dev not power managed */
    186 	uint_t		devi_pm_flags;		/* pm flags */
    187 	int		devi_pm_num_components;	/* number of components */
    188 	size_t		devi_pm_comp_size;	/* size of devi_components */
    189 	struct pm_component *devi_pm_components; /* array of pm components */
    190 	struct dev_info *devi_pm_ppm;		/* ppm attached to this one */
    191 	void		*devi_pm_ppm_private;	/* for use by ppm driver */
    192 	int		devi_pm_dev_thresh;	/* "device" threshold */
    193 	uint_t		devi_pm_kidsupcnt;	/* # of kids powered up */
    194 	struct pm_scan	*devi_pm_scan;		/* pm scan info */
    195 	uint_t		devi_pm_noinvolpm;	/* # of descendents no-invol */
    196 	uint_t		devi_pm_volpmd;		/* # of voluntarily pm'ed */
    197 	kmutex_t	devi_pm_lock;		/* pm lock for state */
    198 	kmutex_t	devi_pm_busy_lock;	/* for component busy count */
    199 
    200 	uint_t		devi_state;		/* device/bus state flags */
    201 						/* see below for definitions */
    202 	kcondvar_t	devi_cv;		/* cv */
    203 	int		devi_ref;		/* reference count */
    204 
    205 	dacf_rsrvlist_t *devi_dacf_tasks;	/* dacf reservation queue */
    206 
    207 	ddi_node_class_t devi_node_class;	/* Node class */
    208 	int		devi_node_attributes;	/* Node attributes: See below */
    209 
    210 	char		*devi_device_class;
    211 
    212 	/*
    213 	 * New mpxio kernel hooks entries
    214 	 */
    215 	int		devi_mdi_component;	/* mpxio component type */
    216 	void		*devi_mdi_client;	/* mpxio client information */
    217 	void		*devi_mdi_xhci;		/* vhci/phci info */
    218 
    219 	ddi_prop_list_t	*devi_global_prop_list;	/* driver global properties */
    220 	major_t		devi_major;		/* driver major number */
    221 	ddi_node_state_t devi_node_state;	/* state of node */
    222 	uint_t		devi_flags;		/* configuration flags */
    223 	int		devi_circular;		/* for recursive operations */
    224 	void		*devi_busy_thread;	/* thread operating on node */
    225 	void		*devi_taskq;		/* hotplug taskq */
    226 
    227 	/* device driver statistical and audit info */
    228 	struct devinfo_audit *devi_audit;		/* last state change */
    229 
    230 	/*
    231 	 * FMA support for resource caches and error handlers
    232 	 */
    233 	struct i_ddi_fmhdl	*devi_fmhdl;
    234 
    235 	uint_t		devi_cpr_flags;
    236 
    237 	/* Owned by DDI interrupt framework */
    238 	devinfo_intr_t	*devi_intr_p;
    239 
    240 	void		*devi_nex_pm;		/* nexus PM private */
    241 
    242 	char		*devi_addr_buf;		/* buffer for devi_addr */
    243 
    244 	char		*devi_rebinding_name;	/* binding_name of rebind */
    245 
    246 	/* For device contracts that have this dip's minor node as resource */
    247 	kmutex_t	devi_ct_lock;		/* contract lock */
    248 	kcondvar_t	devi_ct_cv;		/* contract cv */
    249 	int		devi_ct_count;		/* # of outstanding responses */
    250 	int		devi_ct_neg;		/* neg. occurred on dip */
    251 	list_t		devi_ct;
    252 
    253 	/* owned by bus framework */
    254 	devi_bus_priv_t	devi_bus;		/* bus private data */
    255 
    256 	/* Declarations of the pure dynamic properties to snapshot */
    257 	struct i_ddi_prop_dyn	*devi_prop_dyn_driver;	/* prop_op */
    258 	struct i_ddi_prop_dyn	*devi_prop_dyn_parent;	/* bus_prop_op */
    259 
    260 	/* For intel iommu support */
    261 	void		*devi_iommu_private;
    262 
    263 	/* IOMMU handle */
    264 	iommulib_handle_t	devi_iommulib_handle;
    265 
    266 	/* Generic callback mechanism */
    267 	ddi_cb_t	*devi_cb_p;
    268 
    269 	/* ndi 'flavors' */
    270 	ndi_flavor_t	devi_flavor;		/* flavor assigned by parent */
    271 	ndi_flavor_t	devi_flavorv_n;		/* number of child-flavors */
    272 	void		**devi_flavorv;		/* child-flavor specific data */
    273 
    274 	/* Owned by hotplug framework */
    275 	struct ddi_hp_cn_handle *devi_hp_hdlp;   /* hotplug handle list */
    276 };
    277 
    278 #define	DEVI(dev_info_type)	((struct dev_info *)(dev_info_type))
    279 
    280 /*
    281  * NB: The 'name' field, for compatibility with old code (both existing
    282  * device drivers and userland code), is now defined as the name used
    283  * to bind the node to a device driver, and not the device node name.
    284  * If the device node name does not define a binding to a device driver,
    285  * and the framework uses a different algorithm to create the binding to
    286  * the driver, the node name and binding name will be different.
    287  *
    288  * Note that this implies that the node name plus instance number does
    289  * NOT create a unique driver id; only the binding name plus instance
    290  * number creates a unique driver id.
    291  *
    292  * New code should not use 'devi_name'; use 'devi_binding_name' or
    293  * 'devi_node_name' and/or the routines that access those fields.
    294  */
    295 
    296 #define	devi_name devi_binding_name
    297 
    298 /*
    299  * DDI_CF1, DDI_CF2 and DDI_DRV_UNLOADED are obsolete. They are kept
    300  * around to allow legacy drivers to to compile.
    301  */
    302 #define	DDI_CF1(devi)		(DEVI(devi)->devi_addr != NULL)
    303 #define	DDI_CF2(devi)		(DEVI(devi)->devi_ops != NULL)
    304 #define	DDI_DRV_UNLOADED(devi)	(DEVI(devi)->devi_ops == &mod_nodev_ops)
    305 
    306 /*
    307  * The device state flags (devi_state) contains information regarding
    308  * the state of the device (Online/Offline/Down).  For bus nexus
    309  * devices, the device state also contains state information regarding
    310  * the state of the bus represented by this nexus node.
    311  *
    312  * Device state information is stored in bits [0-7], bus state in bits
    313  * [8-15].
    314  *
    315  * NOTE: all devi_state updates should be protected by devi_lock.
    316  */
    317 #define	DEVI_DEVICE_OFFLINE	0x00000001
    318 #define	DEVI_DEVICE_DOWN	0x00000002
    319 #define	DEVI_DEVICE_DEGRADED	0x00000004
    320 #define	DEVI_DEVICE_REMOVED	0x00000008 /* hardware removed */
    321 
    322 #define	DEVI_BUS_QUIESCED	0x00000100
    323 #define	DEVI_BUS_DOWN		0x00000200
    324 #define	DEVI_NDI_CONFIG		0x00000400 /* perform config when attaching */
    325 
    326 #define	DEVI_S_ATTACHING	0x00010000
    327 #define	DEVI_S_DETACHING	0x00020000
    328 #define	DEVI_S_ONLINING		0x00040000
    329 #define	DEVI_S_OFFLINING	0x00080000
    330 
    331 #define	DEVI_S_INVOKING_DACF	0x00100000 /* busy invoking a dacf task */
    332 
    333 #define	DEVI_S_UNBOUND		0x00200000
    334 #define	DEVI_S_REPORT		0x08000000 /* report status change */
    335 
    336 #define	DEVI_S_EVADD		0x10000000 /* state of devfs event */
    337 #define	DEVI_S_EVREMOVE		0x20000000 /* state of devfs event */
    338 #define	DEVI_S_NEED_RESET	0x40000000 /* devo_reset should be called */
    339 
    340 /*
    341  * Device state macros.
    342  * o All SET/CLR/DONE users must protect context with devi_lock.
    343  * o DEVI_SET_DEVICE_ONLINE users must do his own DEVI_SET_REPORT.
    344  * o DEVI_SET_DEVICE_{DOWN|DEGRADED|UP} should only be used when !OFFLINE.
    345  * o DEVI_SET_DEVICE_UP clears DOWN and DEGRADED.
    346  */
    347 #define	DEVI_IS_DEVICE_OFFLINE(dip)					\
    348 	((DEVI(dip)->devi_state & DEVI_DEVICE_OFFLINE) == DEVI_DEVICE_OFFLINE)
    349 
    350 #define	DEVI_SET_DEVICE_ONLINE(dip)	{				\
    351 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    352 	if (DEVI(dip)->devi_state & DEVI_DEVICE_DEGRADED) {		\
    353 		mutex_exit(&DEVI(dip)->devi_lock);			\
    354 		e_ddi_undegrade_finalize(dip);				\
    355 		mutex_enter(&DEVI(dip)->devi_lock);			\
    356 	}								\
    357 	/* setting ONLINE clears DOWN, DEGRADED, OFFLINE */		\
    358 	DEVI(dip)->devi_state &= ~(DEVI_DEVICE_DOWN |			\
    359 	    DEVI_DEVICE_DEGRADED | DEVI_DEVICE_OFFLINE);		\
    360 	}
    361 
    362 #define	DEVI_SET_DEVICE_OFFLINE(dip)	{				\
    363 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    364 	DEVI(dip)->devi_state |= (DEVI_DEVICE_OFFLINE | DEVI_S_REPORT);	\
    365 	}
    366 
    367 #define	DEVI_IS_DEVICE_DOWN(dip)					\
    368 	((DEVI(dip)->devi_state & DEVI_DEVICE_DOWN) == DEVI_DEVICE_DOWN)
    369 
    370 #define	DEVI_SET_DEVICE_DOWN(dip)	{				\
    371 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    372 	ASSERT(!DEVI_IS_DEVICE_OFFLINE(dip));				\
    373 	DEVI(dip)->devi_state |= (DEVI_DEVICE_DOWN | DEVI_S_REPORT);	\
    374 	}
    375 
    376 #define	DEVI_IS_DEVICE_DEGRADED(dip)					\
    377 	((DEVI(dip)->devi_state &					\
    378 	    (DEVI_DEVICE_DEGRADED|DEVI_DEVICE_DOWN)) == DEVI_DEVICE_DEGRADED)
    379 
    380 #define	DEVI_SET_DEVICE_DEGRADED(dip)	{				\
    381 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    382 	ASSERT(!DEVI_IS_DEVICE_OFFLINE(dip));				\
    383 	mutex_exit(&DEVI(dip)->devi_lock);				\
    384 	e_ddi_degrade_finalize(dip);					\
    385 	mutex_enter(&DEVI(dip)->devi_lock);				\
    386 	DEVI(dip)->devi_state |= (DEVI_DEVICE_DEGRADED | DEVI_S_REPORT); \
    387 	}
    388 
    389 #define	DEVI_SET_DEVICE_UP(dip)		{				\
    390 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    391 	ASSERT(!DEVI_IS_DEVICE_OFFLINE(dip));				\
    392 	if (DEVI(dip)->devi_state & DEVI_DEVICE_DEGRADED) {		\
    393 		mutex_exit(&DEVI(dip)->devi_lock);			\
    394 		e_ddi_undegrade_finalize(dip);				\
    395 		mutex_enter(&DEVI(dip)->devi_lock);			\
    396 	}								\
    397 	DEVI(dip)->devi_state &= ~(DEVI_DEVICE_DEGRADED | DEVI_DEVICE_DOWN); \
    398 	DEVI(dip)->devi_state |= DEVI_S_REPORT;				\
    399 	}
    400 
    401 /* Device removal and insertion */
    402 #define	DEVI_IS_DEVICE_REMOVED(dip)					\
    403 	((DEVI(dip)->devi_state & DEVI_DEVICE_REMOVED) == DEVI_DEVICE_REMOVED)
    404 
    405 #define	DEVI_SET_DEVICE_REMOVED(dip)	{				\
    406 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    407 	DEVI(dip)->devi_state |= DEVI_DEVICE_REMOVED | DEVI_S_REPORT;	\
    408 	}
    409 
    410 #define	DEVI_SET_DEVICE_REINSERTED(dip)	{				\
    411 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    412 	DEVI(dip)->devi_state &= ~DEVI_DEVICE_REMOVED;			\
    413 	DEVI(dip)->devi_state |= DEVI_S_REPORT;				\
    414 	}
    415 
    416 /* Bus state change macros */
    417 #define	DEVI_IS_BUS_QUIESCED(dip)					\
    418 	((DEVI(dip)->devi_state & DEVI_BUS_QUIESCED) == DEVI_BUS_QUIESCED)
    419 
    420 #define	DEVI_SET_BUS_ACTIVE(dip)	{				\
    421 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    422 	DEVI(dip)->devi_state &= ~DEVI_BUS_QUIESCED;			\
    423 	DEVI(dip)->devi_state |= DEVI_S_REPORT;				\
    424 	}
    425 
    426 #define	DEVI_SET_BUS_QUIESCE(dip)	{				\
    427 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    428 	DEVI(dip)->devi_state |= (DEVI_BUS_QUIESCED | DEVI_S_REPORT);	\
    429 	}
    430 
    431 #define	DEVI_IS_BUS_DOWN(dip)						\
    432 	((DEVI(dip)->devi_state & DEVI_BUS_DOWN) == DEVI_BUS_DOWN)
    433 
    434 #define	DEVI_SET_BUS_UP(dip)		{				\
    435 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    436 	DEVI(dip)->devi_state &= ~DEVI_BUS_DOWN;			\
    437 	DEVI(dip)->devi_state |= DEVI_S_REPORT;				\
    438 	}
    439 
    440 #define	DEVI_SET_BUS_DOWN(dip)		{				\
    441 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    442 	DEVI(dip)->devi_state |= (DEVI_BUS_DOWN | DEVI_S_REPORT);	\
    443 	}
    444 
    445 /* Status change report needed */
    446 #define	DEVI_NEED_REPORT(dip)						\
    447 	((DEVI(dip)->devi_state & DEVI_S_REPORT) == DEVI_S_REPORT)
    448 
    449 #define	DEVI_SET_REPORT(dip)		{				\
    450 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    451 	DEVI(dip)->devi_state |= DEVI_S_REPORT;				\
    452 	}
    453 
    454 #define	DEVI_REPORT_DONE(dip)		{				\
    455 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    456 	DEVI(dip)->devi_state &= ~DEVI_S_REPORT;			\
    457 	}
    458 
    459 /* Do an NDI_CONFIG for its children */
    460 #define	DEVI_NEED_NDI_CONFIG(dip)					\
    461 	((DEVI(dip)->devi_state & DEVI_NDI_CONFIG) == DEVI_NDI_CONFIG)
    462 
    463 #define	DEVI_SET_NDI_CONFIG(dip)	{				\
    464 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    465 	DEVI(dip)->devi_state |= DEVI_NDI_CONFIG;			\
    466 	}
    467 
    468 #define	DEVI_CLR_NDI_CONFIG(dip)	{				\
    469 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    470 	DEVI(dip)->devi_state &= ~DEVI_NDI_CONFIG;			\
    471 	}
    472 
    473 /* Attaching or detaching state */
    474 #define	DEVI_IS_ATTACHING(dip)						\
    475 	((DEVI(dip)->devi_state & DEVI_S_ATTACHING) == DEVI_S_ATTACHING)
    476 
    477 #define	DEVI_SET_ATTACHING(dip)		{				\
    478 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    479 	DEVI(dip)->devi_state |= DEVI_S_ATTACHING;			\
    480 	}
    481 
    482 #define	DEVI_CLR_ATTACHING(dip)		{				\
    483 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    484 	DEVI(dip)->devi_state &= ~DEVI_S_ATTACHING;			\
    485 	}
    486 
    487 #define	DEVI_IS_DETACHING(dip)						\
    488 	((DEVI(dip)->devi_state & DEVI_S_DETACHING) == DEVI_S_DETACHING)
    489 
    490 #define	DEVI_SET_DETACHING(dip)		{				\
    491 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    492 	DEVI(dip)->devi_state |= DEVI_S_DETACHING;			\
    493 	}
    494 
    495 #define	DEVI_CLR_DETACHING(dip)		{				\
    496 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    497 	DEVI(dip)->devi_state &= ~DEVI_S_DETACHING;			\
    498 	}
    499 
    500 /* Onlining or offlining state */
    501 #define	DEVI_IS_ONLINING(dip)						\
    502 	((DEVI(dip)->devi_state & DEVI_S_ONLINING) == DEVI_S_ONLINING)
    503 
    504 #define	DEVI_SET_ONLINING(dip)		{				\
    505 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    506 	DEVI(dip)->devi_state |= DEVI_S_ONLINING;			\
    507 	}
    508 
    509 #define	DEVI_CLR_ONLINING(dip)		{				\
    510 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    511 	DEVI(dip)->devi_state &= ~DEVI_S_ONLINING;			\
    512 	}
    513 
    514 #define	DEVI_IS_OFFLINING(dip)						\
    515 	((DEVI(dip)->devi_state & DEVI_S_OFFLINING) == DEVI_S_OFFLINING)
    516 
    517 #define	DEVI_SET_OFFLINING(dip)		{				\
    518 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    519 	DEVI(dip)->devi_state |= DEVI_S_OFFLINING;			\
    520 	}
    521 
    522 #define	DEVI_CLR_OFFLINING(dip)		{				\
    523 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    524 	DEVI(dip)->devi_state &= ~DEVI_S_OFFLINING;			\
    525 	}
    526 
    527 #define	DEVI_IS_IN_RECONFIG(dip)					\
    528 	(DEVI(dip)->devi_state & (DEVI_S_OFFLINING | DEVI_S_ONLINING))
    529 
    530 /* Busy invoking a dacf task against this node */
    531 #define	DEVI_IS_INVOKING_DACF(dip)					\
    532 	((DEVI(dip)->devi_state & DEVI_S_INVOKING_DACF) == DEVI_S_INVOKING_DACF)
    533 
    534 #define	DEVI_SET_INVOKING_DACF(dip)	{				\
    535 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    536 	DEVI(dip)->devi_state |= DEVI_S_INVOKING_DACF;			\
    537 	}
    538 
    539 #define	DEVI_CLR_INVOKING_DACF(dip)	{				\
    540 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    541 	DEVI(dip)->devi_state &= ~DEVI_S_INVOKING_DACF;			\
    542 	}
    543 
    544 /* Events for add/remove */
    545 #define	DEVI_EVADD(dip)							\
    546 	((DEVI(dip)->devi_state & DEVI_S_EVADD) == DEVI_S_EVADD)
    547 
    548 #define	DEVI_SET_EVADD(dip)		{				\
    549 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    550 	DEVI(dip)->devi_state &= ~DEVI_S_EVREMOVE;			\
    551 	DEVI(dip)->devi_state |= DEVI_S_EVADD;				\
    552 	}
    553 
    554 #define	DEVI_EVREMOVE(dip)						\
    555 	((DEVI(dip)->devi_state & DEVI_S_EVREMOVE) == DEVI_S_EVREMOVE)
    556 
    557 #define	DEVI_SET_EVREMOVE(dip)		{				\
    558 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    559 	DEVI(dip)->devi_state &= ~DEVI_S_EVADD;				\
    560 	DEVI(dip)->devi_state |= DEVI_S_EVREMOVE;			\
    561 	}
    562 
    563 #define	DEVI_SET_EVUNINIT(dip)		{				\
    564 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    565 	DEVI(dip)->devi_state &= ~(DEVI_S_EVADD | DEVI_S_EVREMOVE);	\
    566 	}
    567 
    568 /* Need to call the devo_reset entry point for this device at shutdown */
    569 #define	DEVI_NEED_RESET(dip)						\
    570 	((DEVI(dip)->devi_state & DEVI_S_NEED_RESET) == DEVI_S_NEED_RESET)
    571 
    572 #define	DEVI_SET_NEED_RESET(dip)	{				\
    573 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    574 	DEVI(dip)->devi_state |= DEVI_S_NEED_RESET;			\
    575 	}
    576 
    577 #define	DEVI_CLR_NEED_RESET(dip)	{				\
    578 	ASSERT(mutex_owned(&DEVI(dip)->devi_lock));			\
    579 	DEVI(dip)->devi_state &= ~DEVI_S_NEED_RESET;			\
    580 	}
    581 
    582 /*
    583  * devi_flags bits
    584  *
    585  * NOTE: all devi_state updates should be protected by devi_lock.
    586  */
    587 #define	DEVI_BUSY		0x00000001 /* busy configuring children */
    588 #define	DEVI_MADE_CHILDREN	0x00000002 /* children made from specs */
    589 #define	DEVI_ATTACHED_CHILDREN	0x00000004 /* attached all existing children */
    590 #define	DEVI_BRANCH_HELD	0x00000008 /* branch rooted at this dip held */
    591 #define	DEVI_NO_BIND		0x00000010 /* prevent driver binding */
    592 #define	DEVI_REGISTERED_DEVID	0x00000020 /* device registered a devid */
    593 #define	DEVI_PHCI_SIGNALS_VHCI	0x00000040 /* pHCI ndi_devi_exit signals vHCI */
    594 #define	DEVI_REBIND		0x00000080 /* post initchild driver rebind */
    595 #define	DEVI_RETIRED		0x00000100 /* device is retired */
    596 #define	DEVI_RETIRING		0x00000200 /* being evaluated for retire */
    597 #define	DEVI_R_CONSTRAINT	0x00000400 /* constraints have been applied  */
    598 #define	DEVI_R_BLOCKED		0x00000800 /* constraints block retire  */
    599 #define	DEVI_CT_NOP		0x00001000 /*  NOP contract event occurred */
    600 
    601 #define	DEVI_BUSY_CHANGING(dip)	(DEVI(dip)->devi_flags & DEVI_BUSY)
    602 #define	DEVI_BUSY_OWNED(dip)	(DEVI_BUSY_CHANGING(dip) &&	\
    603 	((DEVI(dip))->devi_busy_thread == curthread))
    604 
    605 char	*i_ddi_devi_class(dev_info_t *);
    606 int	i_ddi_set_devi_class(dev_info_t *, char *, int);
    607 
    608 /*
    609  * This structure represents one piece of bus space occupied by a given
    610  * device. It is used in an array for devices with multiple address windows.
    611  */
    612 struct regspec {
    613 	uint_t regspec_bustype;		/* cookie for bus type it's on */
    614 	uint_t regspec_addr;		/* address of reg relative to bus */
    615 	uint_t regspec_size;		/* size of this register set */
    616 };
    617 
    618 /*
    619  * This structure represents one piece of nexus bus space.
    620  * It is used in an array for nexi with multiple bus spaces
    621  * to define the childs offsets in the parents bus space.
    622  */
    623 struct rangespec {
    624 	uint_t rng_cbustype;		/* Child's address, hi order */
    625 	uint_t rng_coffset;		/* Child's address, lo order */
    626 	uint_t rng_bustype;		/* Parent's address, hi order */
    627 	uint_t rng_offset;		/* Parent's address, lo order */
    628 	uint_t rng_size;		/* size of space for this entry */
    629 };
    630 
    631 #ifdef _KERNEL
    632 
    633 typedef enum {
    634 	DDI_PRE = 0,
    635 	DDI_POST = 1
    636 } ddi_pre_post_t;
    637 
    638 /*
    639  * This structure represents notification of a child attach event
    640  * These could both be the same if attach/detach commands were in the
    641  * same name space.
    642  * Note that the target dip is passed as an arg already.
    643  */
    644 struct attachspec {
    645 	ddi_attach_cmd_t cmd;	/* type of event */
    646 	ddi_pre_post_t	when;	/* one of DDI_PRE or DDI_POST */
    647 	dev_info_t	*pdip;	/* parent of attaching node */
    648 	int		result;	/* result of attach op (post command only) */
    649 };
    650 
    651 /*
    652  * This structure represents notification of a child detach event
    653  * Note that the target dip is passed as an arg already.
    654  */
    655 struct detachspec {
    656 	ddi_detach_cmd_t cmd;	/* type of event */
    657 	ddi_pre_post_t	when;	/* one of DDI_PRE or DDI_POST */
    658 	dev_info_t	*pdip;	/* parent of detaching node */
    659 	int		result;	/* result of detach op (post command only) */
    660 };
    661 
    662 #endif /* _KERNEL */
    663 
    664 typedef enum {
    665 	DDM_MINOR = 0,
    666 	DDM_ALIAS,
    667 	DDM_DEFAULT,
    668 	DDM_INTERNAL_PATH
    669 } ddi_minor_type;
    670 
    671 /* implementation flags for driver specified device access control */
    672 #define	DM_NO_FSPERM	0x1
    673 
    674 struct devplcy;
    675 
    676 struct ddi_minor {
    677 	char		*name;		/* name of node */
    678 	dev_t		dev;		/* device number */
    679 	int		spec_type;	/* block or char */
    680 	int		flags;		/* access flags */
    681 	char		*node_type;	/* block, byte, serial, network */
    682 	struct devplcy	*node_priv;	/* privilege for this minor */
    683 	mode_t		priv_mode;	/* default apparent privilege mode */
    684 };
    685 
    686 /*
    687  * devi_node_attributes contains node attributes private to the
    688  * ddi implementation. As a consumer, do not use these bit definitions
    689  * directly, use the ndi functions that check for the existence of the
    690  * specific node attributes.
    691  *
    692  * DDI_PERSISTENT indicates a 'persistent' node; one that is not
    693  * automatically freed by the framework if the driver is unloaded
    694  * or the driver fails to attach to this node.
    695  *
    696  * DDI_AUTO_ASSIGNED_NODEID indicates that the nodeid was auto-assigned
    697  * by the framework and should be auto-freed if the node is removed.
    698  *
    699  * DDI_VHCI_NODE indicates that the node type is VHCI. This flag
    700  * must be set by ndi_devi_config_vhci() routine only.
    701  *
    702  * DDI_HIDDEN_NODE indicates that the node should not show up in snapshots
    703  * or in /devices.
    704  *
    705  * DDI_HOTPLUG_NODE indicates that the node created by nexus hotplug.
    706  */
    707 #define	DDI_PERSISTENT			0x01
    708 #define	DDI_AUTO_ASSIGNED_NODEID	0x02
    709 #define	DDI_VHCI_NODE			0x04
    710 #define	DDI_HIDDEN_NODE			0x08
    711 #define	DDI_HOTPLUG_NODE		0x10
    712 
    713 #define	DEVI_VHCI_NODE(dip)						\
    714 	(DEVI(dip)->devi_node_attributes & DDI_VHCI_NODE)
    715 
    716 /*
    717  * The ddi_minor_data structure gets filled in by ddi_create_minor_node.
    718  * It then gets attached to the devinfo node as a property.
    719  */
    720 struct ddi_minor_data {
    721 	struct ddi_minor_data *next;	/* next one in the chain */
    722 	dev_info_t	*dip;		/* pointer to devinfo node */
    723 	ddi_minor_type	type;		/* Following data type */
    724 	struct ddi_minor d_minor;	/* Actual minor node data */
    725 };
    726 
    727 #define	ddm_name	d_minor.name
    728 #define	ddm_dev		d_minor.dev
    729 #define	ddm_flags	d_minor.flags
    730 #define	ddm_spec_type	d_minor.spec_type
    731 #define	ddm_node_type	d_minor.node_type
    732 #define	ddm_node_priv	d_minor.node_priv
    733 #define	ddm_priv_mode	d_minor.priv_mode
    734 
    735 /*
    736  * parent private data structure contains register, interrupt, property
    737  * and range information.
    738  */
    739 struct ddi_parent_private_data {
    740 	int par_nreg;			/* number of regs */
    741 	struct regspec *par_reg;	/* array of regs */
    742 	int par_nintr;			/* number of interrupts */
    743 	struct intrspec *par_intr;	/* array of possible interrupts */
    744 	int par_nrng;			/* number of ranges */
    745 	struct rangespec *par_rng;	/* array of ranges */
    746 };
    747 #define	DEVI_PD(d)	\
    748 	((struct ddi_parent_private_data *)DEVI((d))->devi_parent_data)
    749 
    750 #define	sparc_pd_getnreg(dev)		(DEVI_PD(dev)->par_nreg)
    751 #define	sparc_pd_getnintr(dev)		(DEVI_PD(dev)->par_nintr)
    752 #define	sparc_pd_getnrng(dev)		(DEVI_PD(dev)->par_nrng)
    753 #define	sparc_pd_getreg(dev, n)		(&DEVI_PD(dev)->par_reg[(n)])
    754 #define	sparc_pd_getintr(dev, n)	(&DEVI_PD(dev)->par_intr[(n)])
    755 #define	sparc_pd_getrng(dev, n)		(&DEVI_PD(dev)->par_rng[(n)])
    756 
    757 #ifdef _KERNEL
    758 /*
    759  * This data structure is private to the indexed soft state allocator.
    760  */
    761 typedef struct i_ddi_soft_state {
    762 	void		**array;	/* the array of pointers */
    763 	kmutex_t	lock;		/* serialize access to this struct */
    764 	size_t		size;		/* how many bytes per state struct */
    765 	size_t		n_items;	/* how many structs herein */
    766 	struct i_ddi_soft_state *next;	/* 'dirty' elements */
    767 } i_ddi_soft_state;
    768 
    769 /*
    770  * This data structure is private to the stringhashed soft state allocator.
    771  */
    772 typedef struct i_ddi_soft_state_bystr {
    773 	size_t		ss_size;	/* how many bytes per state struct */
    774 	mod_hash_t	*ss_mod_hash;	/* hash implementation */
    775 } i_ddi_soft_state_bystr;
    776 
    777 /*
    778  * This data structure is private to the ddi_strid_* implementation
    779  */
    780 typedef struct i_ddi_strid {
    781 	size_t		strid_chunksz;
    782 	size_t		strid_spacesz;
    783 	id_space_t	*strid_space;
    784 	mod_hash_t	*strid_byid;
    785 	mod_hash_t	*strid_bystr;
    786 } i_ddi_strid;
    787 #endif /* _KERNEL */
    788 
    789 /*
    790  * Solaris DDI DMA implementation structure and function definitions.
    791  *
    792  * Note: no callers of DDI functions must depend upon data structures
    793  * declared below. They are not guaranteed to remain constant.
    794  */
    795 
    796 /*
    797  * Implementation DMA mapping structure.
    798  *
    799  * The publicly visible ddi_dma_req structure is filled
    800  * in by a caller that wishes to map a memory object
    801  * for DMA. Internal to this implementation of the public
    802  * DDI DMA functions this request structure is put together
    803  * with bus nexus specific functions that have additional
    804  * information and constraints as to how to go about doing
    805  * the requested mapping function
    806  *
    807  * In this implementation, some of the information from the
    808  * original requester is retained throughout the lifetime
    809  * of the I/O mapping being active.
    810  */
    811 
    812 /*
    813  * This is the implementation specific description
    814  * of how we've mapped an object for DMA.
    815  */
    816 #if defined(__sparc)
    817 typedef struct ddi_dma_impl {
    818 	/*
    819 	 * DMA mapping information
    820 	 */
    821 	ulong_t	dmai_mapping;	/* mapping cookie */
    822 
    823 	/*
    824 	 * Size of the current mapping, in bytes.
    825 	 *
    826 	 * Note that this is distinct from the size of the object being mapped
    827 	 * for DVMA. We might have only a portion of the object mapped at any
    828 	 * given point in time.
    829 	 */
    830 	uint_t	dmai_size;
    831 
    832 	/*
    833 	 * Offset, in bytes, into object that is currently mapped.
    834 	 */
    835 	off_t	dmai_offset;
    836 
    837 	/*
    838 	 * Information gathered from the original DMA mapping
    839 	 * request and saved for the lifetime of the mapping.
    840 	 */
    841 	uint_t		dmai_minxfer;
    842 	uint_t		dmai_burstsizes;
    843 	uint_t		dmai_ndvmapages;
    844 	uint_t		dmai_pool;	/* cached DVMA space */
    845 	uint_t		dmai_rflags;	/* requester's flags + ours */
    846 	uint_t		dmai_inuse;	/* active handle? */
    847 	uint_t		dmai_nwin;
    848 	uint_t		dmai_winsize;
    849 	caddr_t		dmai_nexus_private;
    850 	void		*dmai_iopte;
    851 	uint_t		*dmai_sbi;
    852 	void		*dmai_minfo;	/* random mapping information */
    853 	dev_info_t	*dmai_rdip;	/* original requester's dev_info_t */
    854 	ddi_dma_obj_t	dmai_object;	/* requester's object */
    855 	ddi_dma_attr_t	dmai_attr;	/* DMA attributes */
    856 	ddi_dma_cookie_t *dmai_cookie;	/* pointer to first DMA cookie */
    857 
    858 	int		(*dmai_fault_check)(struct ddi_dma_impl *handle);
    859 	void		(*dmai_fault_notify)(struct ddi_dma_impl *handle);
    860 	int		dmai_fault;
    861 	ndi_err_t	dmai_error;
    862 
    863 } ddi_dma_impl_t;
    864 
    865 #elif defined(__x86)
    866 
    867 /*
    868  * ddi_dma_impl portion that genunix (sunddi.c) depends on. x86 rootnex
    869  * implementation specific state is in dmai_private.
    870  */
    871 typedef struct ddi_dma_impl {
    872 	ddi_dma_cookie_t *dmai_cookie; /* array of DMA cookies */
    873 	void		*dmai_private;
    874 
    875 	/*
    876 	 * Information gathered from the original dma mapping
    877 	 * request and saved for the lifetime of the mapping.
    878 	 */
    879 	uint_t		dmai_minxfer;
    880 	uint_t		dmai_burstsizes;
    881 	uint_t		dmai_rflags;	/* requester's flags + ours */
    882 	int		dmai_nwin;
    883 	dev_info_t	*dmai_rdip;	/* original requester's dev_info_t */
    884 
    885 	ddi_dma_attr_t	dmai_attr;	/* DMA attributes */
    886 
    887 	int		(*dmai_fault_check)(struct ddi_dma_impl *handle);
    888 	void		(*dmai_fault_notify)(struct ddi_dma_impl *handle);
    889 	int		dmai_fault;
    890 	ndi_err_t	dmai_error;
    891 } ddi_dma_impl_t;
    892 
    893 #else
    894 #error "struct ddi_dma_impl not defined for this architecture"
    895 #endif  /* defined(__sparc) */
    896 
    897 /*
    898  * For now DMA segments share state with the DMA handle
    899  */
    900 typedef ddi_dma_impl_t ddi_dma_seg_impl_t;
    901 
    902 /*
    903  * These flags use reserved bits from the dma request flags.
    904  *
    905  * A note about the DMP_NOSYNC flags: the root nexus will
    906  * set these as it sees best. If an intermediate nexus
    907  * actually needs these operations, then during the unwind
    908  * from the call to ddi_dma_bind, the nexus driver *must*
    909  * clear the appropriate flag(s). This is because, as an
    910  * optimization, ddi_dma_sync(9F) looks at these flags before
    911  * deciding to spend the time going back up the tree.
    912  */
    913 
    914 #define	_DMCM1	DDI_DMA_RDWR|DDI_DMA_REDZONE|DDI_DMA_PARTIAL
    915 #define	_DMCM2	DDI_DMA_CONSISTENT|DMP_VMEREQ
    916 #define	DMP_DDIFLAGS	(_DMCM1|_DMCM2)
    917 #define	DMP_SHADOW	0x20
    918 #define	DMP_LKIOPB	0x40
    919 #define	DMP_LKSYSV	0x80
    920 #define	DMP_IOCACHE	0x100
    921 #define	DMP_USEHAT	0x200
    922 #define	DMP_PHYSADDR	0x400
    923 #define	DMP_INVALID	0x800
    924 #define	DMP_NOLIMIT	0x1000
    925 #define	DMP_VMEREQ	0x10000000
    926 #define	DMP_BYPASSNEXUS	0x20000000
    927 #define	DMP_NODEVSYNC	0x40000000
    928 #define	DMP_NOCPUSYNC	0x80000000
    929 #define	DMP_NOSYNC	(DMP_NODEVSYNC|DMP_NOCPUSYNC)
    930 
    931 /*
    932  * In order to complete a device to device mapping that
    933  * has percolated as high as an IU nexus (gone that high
    934  * because the DMA request is a VADDR type), we define
    935  * structure to use with the DDI_CTLOPS_DMAPMAPC request
    936  * that re-traverses the request tree to finish the
    937  * DMA 'mapping' for a device.
    938  */
    939 struct dma_phys_mapc {
    940 	struct ddi_dma_req *dma_req;	/* original request */
    941 	ddi_dma_impl_t *mp;		/* current handle, or none */
    942 	int nptes;			/* number of ptes */
    943 	void *ptes;			/* ptes already read */
    944 };
    945 
    946 #define	MAXCALLBACK		20
    947 
    948 /*
    949  * Callback definitions
    950  */
    951 struct ddi_callback {
    952 	struct ddi_callback	*c_nfree;
    953 	struct ddi_callback	*c_nlist;
    954 	int			(*c_call)();
    955 	int			c_count;
    956 	caddr_t			c_arg;
    957 	size_t			c_size;
    958 };
    959 
    960 /*
    961  * Pure dynamic property declaration. A pure dynamic property is a property
    962  * for which a driver's prop_op(9E) implementation will return a value on
    963  * demand, but the property name does not exist on a property list (global,
    964  * driver, system, or hardware) - the person asking for the value must know
    965  * the name and type information.
    966  *
    967  * For a pure dynamic property to show up in a di_init() devinfo shapshot, the
    968  * devinfo driver must know name and type. The i_ddi_prop_dyn_t mechanism
    969  * allows a driver to define an array of the name/type information of its
    970  * dynamic properties. When a driver declares its dynamic properties in a
    971  * i_ddi_prop_dyn_t array, and registers that array using
    972  * i_ddi_prop_dyn_driver_set() the devinfo driver has sufficient information
    973  * to represent the properties in a snapshot - calling the driver's
    974  * prop_op(9E) to obtain values.
    975  *
    976  * The last element of a i_ddi_prop_dyn_t is detected via a NULL dp_name value.
    977  *
    978  * A pure dynamic property name associated with a minor_node/dev_t should be
    979  * defined with a dp_spec_type of S_IFCHR or S_IFBLK, as appropriate.  The
    980  * driver's prop_op(9E) entry point will be called for all
    981  * ddi_create_minor_node(9F) nodes of the specified spec_type. For a driver
    982  * where not all minor_node/dev_t combinations support the same named
    983  * properties, it is the responsibility of the prop_op(9E) implementation to
    984  * sort out what combinations are appropriate.
    985  *
    986  * A pure dynamic property of a devinfo node should be defined with a
    987  * dp_spec_type of 0.
    988  *
    989  * NB: Public DDI property interfaces no longer support pure dynamic
    990  * properties, but they are still still used.  A prime example is the cmlb
    991  * implementation of size(9P) properties. Using pure dynamic properties
    992  * reduces the space required to maintain per-partition information. Since
    993  * there are no public interfaces to create pure dynamic properties,
    994  * the i_ddi_prop_dyn_t mechanism should remain private.
    995  */
    996 typedef struct i_ddi_prop_dyn {
    997 	char	*dp_name;		/* name of dynamic property */
    998 	int	dp_type;		/* DDI_PROP_TYPE_ of property */
    999 	int	dp_spec_type;		/* 0, S_IFCHR, S_IFBLK */
   1000 } i_ddi_prop_dyn_t;
   1001 void			i_ddi_prop_dyn_driver_set(dev_info_t *,
   1002 			    i_ddi_prop_dyn_t *);
   1003 i_ddi_prop_dyn_t	*i_ddi_prop_dyn_driver_get(dev_info_t *);
   1004 void			i_ddi_prop_dyn_parent_set(dev_info_t *,
   1005 			    i_ddi_prop_dyn_t *);
   1006 i_ddi_prop_dyn_t	*i_ddi_prop_dyn_parent_get(dev_info_t *);
   1007 void			i_ddi_prop_dyn_cache_invalidate(dev_info_t *,
   1008 			    i_ddi_prop_dyn_t *);
   1009 
   1010 /*
   1011  * Device id - Internal definition.
   1012  */
   1013 #define	DEVID_MAGIC_MSB		0x69
   1014 #define	DEVID_MAGIC_LSB		0x64
   1015 #define	DEVID_REV_MSB		0x00
   1016 #define	DEVID_REV_LSB		0x01
   1017 #define	DEVID_HINT_SIZE		4
   1018 
   1019 typedef struct impl_devid {
   1020 	uchar_t	did_magic_hi;			/* device id magic # (msb) */
   1021 	uchar_t	did_magic_lo;			/* device id magic # (lsb) */
   1022 	uchar_t	did_rev_hi;			/* device id revision # (msb) */
   1023 	uchar_t	did_rev_lo;			/* device id revision # (lsb) */
   1024 	uchar_t	did_type_hi;			/* device id type (msb) */
   1025 	uchar_t	did_type_lo;			/* device id type (lsb) */
   1026 	uchar_t	did_len_hi;			/* length of devid data (msb) */
   1027 	uchar_t	did_len_lo;			/* length of devid data (lsb) */
   1028 	char	did_driver[DEVID_HINT_SIZE];	/* driver name - HINT */
   1029 	char	did_id[1];			/* start of device id data */
   1030 } impl_devid_t;
   1031 
   1032 #define	DEVID_GETTYPE(devid)		((ushort_t) \
   1033 					    (((devid)->did_type_hi << NBBY) + \
   1034 					    (devid)->did_type_lo))
   1035 
   1036 #define	DEVID_FORMTYPE(devid, type)	(devid)->did_type_hi = hibyte((type)); \
   1037 					(devid)->did_type_lo = lobyte((type));
   1038 
   1039 #define	DEVID_GETLEN(devid)		((ushort_t) \
   1040 					    (((devid)->did_len_hi << NBBY) + \
   1041 					    (devid)->did_len_lo))
   1042 
   1043 #define	DEVID_FORMLEN(devid, len)	(devid)->did_len_hi = hibyte((len)); \
   1044 					(devid)->did_len_lo = lobyte((len));
   1045 
   1046 /*
   1047  * Per PSARC/1995/352, a binary devid contains fields for <magic number>,
   1048  * <revision>, <driver_hint>, <type>, <id_length>, and the <id> itself.
   1049  * This proposal would encode the binary devid into a string consisting
   1050  * of "<magic><revision>,<driver_hint>@<type><id>" as indicated below
   1051  * (<id_length> is rederived from the length of the string
   1052  * representation of the <id>):
   1053  *
   1054  *	<magic>		->"id"
   1055  *
   1056  *	<rev>		->"%d"	// "0" -> type of DEVID_NONE  "id0"
   1057  *				// NOTE: PSARC/1995/352 <revision> is "1".
   1058  *				// NOTE: support limited to 10 revisions
   1059  *				//	in current implementation
   1060  *
   1061  *	<driver_hint>	->"%s"	// "sd"/"ssd"
   1062  *				// NOTE: driver names limited to 4
   1063  *				//	characters for <revision> "1"
   1064  *
   1065  *	<type>		->'w' |	// DEVID_SCSI3_WWN	<hex_id>
   1066  *			'W' |	// DEVID_SCSI3_WWN	<ascii_id>
   1067  *			't' |	// DEVID_SCSI3_VPD_T10	<hex_id>
   1068  *			'T' |	// DEVID_SCSI3_VPD_T10	<ascii_id>
   1069  *			'x' |	// DEVID_SCSI3_VPD_EUI	<hex_id>
   1070  *			'X' |	// DEVID_SCSI3_VPD_EUI	<ascii_id>
   1071  *			'n' |	// DEVID_SCSI3_VPD_NAA	<hex_id>
   1072  *			'N' |	// DEVID_SCSI3_VPD_NAA	<ascii_id>
   1073  *			's' |	// DEVID_SCSI_SERIAL	<hex_id>
   1074  *			'S' |	// DEVID_SCSI_SERIAL	<ascii_id>
   1075  *			'f' |	// DEVID_FAB		<hex_id>
   1076  *			'F' |	// DEVID_FAB		<ascii_id>
   1077  *			'e' |	// DEVID_ENCAP		<hex_id>
   1078  *			'E' |	// DEVID_ENCAP		<ascii_id>
   1079  *			'a' |	// DEVID_ATA_SERIAL	<hex_id>
   1080  *			'A' |	// DEVID_ATA_SERIAL	<ascii_id>
   1081  *			'u' |	// unknown		<hex_id>
   1082  *			'U'	// unknown		<ascii_id>
   1083  *				// NOTE:lower case -> <hex_id>
   1084  *				//	upper case -> <ascii_id>
   1085  *				// NOTE:this covers all types currently
   1086  *				//	defined for <revision> 1.
   1087  *				// NOTE:a <type> can be added
   1088  *				//	without changing the <revision>.
   1089  *
   1090  *	<id>		-> <ascii_id> |	// <type> is upper case
   1091  *			<hex_id>	// <type> is lower case
   1092  *
   1093  *	<ascii_id>	// only if all bytes of binary <id> field
   1094  *			// are in the set:
   1095  *			//	[A-Z][a-z][0-9]+-.= and space and 0x00
   1096  *			// the encoded form is:
   1097  *			//	[A-Z][a-z][0-9]+-.= and _ and ~
   1098  *			//	NOTE: ' ' <=> '_', 0x00 <=> '~'
   1099  *			// these sets are chosen to avoid shell
   1100  *			// and conflicts with DDI node names.
   1101  *
   1102  *	<hex_id>	// if not <ascii_id>; each byte of binary
   1103  *			// <id> maps a to 2 digit ascii hex
   1104  *			// representation in the string.
   1105  *
   1106  * This encoding provides a meaningful correlation between the /devices
   1107  * path and the devid string where possible.
   1108  *
   1109  *   Fibre:
   1110  *	sbus@6,0/SUNW,socal@d,10000/sf@1,0/ssd@w21000020370bb488,0:c,raw
   1111  *	id1,ssd@w20000020370bb488:c,raw
   1112  *
   1113  *   Copper:
   1114  *	sbus@7,0/SUNW,fas@3,8800000/sd@a,0:c
   1115  *	id1,sd@SIBM_____1XY210__________:c
   1116  */
   1117 /* determine if a byte of an id meets ASCII representation requirements */
   1118 #define	DEVID_IDBYTE_ISASCII(b)		(				\
   1119 	(((b) >= 'a') && ((b) <= 'z')) ||				\
   1120 	(((b) >= 'A') && ((b) <= 'Z')) ||				\
   1121 	(((b) >= '0') && ((b) <= '9')) ||				\
   1122 	(b == '+') || (b == '-') || (b == '.') || (b == '=') ||		\
   1123 	(b == ' ') || (b == 0x00))
   1124 
   1125 /* set type to lower case to indicate that the did_id field is ascii */
   1126 #define	DEVID_TYPE_SETASCII(c)	(c - 0x20)	/* 'a' -> 'A' */
   1127 
   1128 /* determine from type if did_id field is binary or ascii */
   1129 #define	DEVID_TYPE_ISASCII(c)	(((c) >= 'A') && ((c) <= 'Z'))
   1130 
   1131 /* convert type field from binary to ascii */
   1132 #define	DEVID_TYPE_BINTOASCII(b)	(				\
   1133 	((b) == DEVID_SCSI3_WWN)	? 'w' :				\
   1134 	((b) == DEVID_SCSI3_VPD_T10)	? 't' :				\
   1135 	((b) == DEVID_SCSI3_VPD_EUI)	? 'x' :				\
   1136 	((b) == DEVID_SCSI3_VPD_NAA)	? 'n' :				\
   1137 	((b) == DEVID_SCSI_SERIAL)	? 's' :				\
   1138 	((b) == DEVID_FAB)		? 'f' :				\
   1139 	((b) == DEVID_ENCAP)		? 'e' :				\
   1140 	((b) == DEVID_ATA_SERIAL)	? 'a' :				\
   1141 	'u')						/* unknown */
   1142 
   1143 /* convert type field from ascii to binary */
   1144 #define	DEVID_TYPE_ASCIITOBIN(c)	(				\
   1145 	(((c) == 'w') || ((c) == 'W'))	? DEVID_SCSI3_WWN :		\
   1146 	(((c) == 't') || ((c) == 'T'))	? DEVID_SCSI3_VPD_T10 :		\
   1147 	(((c) == 'x') || ((c) == 'X'))	? DEVID_SCSI3_VPD_EUI :		\
   1148 	(((c) == 'n') || ((c) == 'N'))	? DEVID_SCSI3_VPD_NAA :		\
   1149 	(((c) == 's') || ((c) == 'S'))	? DEVID_SCSI_SERIAL :		\
   1150 	(((c) == 'f') || ((c) == 'F'))	? DEVID_FAB :			\
   1151 	(((c) == 'e') || ((c) == 'E'))	? DEVID_ENCAP :			\
   1152 	(((c) == 'a') || ((c) == 'A'))	? DEVID_ATA_SERIAL :		\
   1153 	DEVID_MAXTYPE +1)				/* unknown */
   1154 
   1155 /* determine if the type should be forced to hex encoding (non-ascii) */
   1156 #define	DEVID_TYPE_BIN_FORCEHEX(b) (	\
   1157 	((b) == DEVID_SCSI3_WWN) ||	\
   1158 	((b) == DEVID_SCSI3_VPD_EUI) ||	\
   1159 	((b) == DEVID_SCSI3_VPD_NAA) ||	\
   1160 	((b) == DEVID_FAB))
   1161 
   1162 /* determine if the type is from a scsi3 vpd */
   1163 #define	IS_DEVID_SCSI3_VPD_TYPE(b) (	\
   1164 	((b) == DEVID_SCSI3_VPD_T10) ||	\
   1165 	((b) == DEVID_SCSI3_VPD_EUI) ||	\
   1166 	((b) == DEVID_SCSI3_VPD_NAA))
   1167 
   1168 /* convert rev field from binary to ascii (only supports 10 revs) */
   1169 #define	DEVID_REV_BINTOASCII(b) (b + '0')
   1170 
   1171 /* convert rev field from ascii to binary (only supports 10 revs) */
   1172 #define	DEVID_REV_ASCIITOBIN(c) (c - '0')
   1173 
   1174 /* name of devid property */
   1175 #define	DEVID_PROP_NAME	"devid"
   1176 
   1177 /*
   1178  * prop_name used by pci_{save,restore}_config_regs()
   1179  */
   1180 #define	SAVED_CONFIG_REGS "pci-config-regs"
   1181 #define	SAVED_CONFIG_REGS_MASK "pcie-config-regs-mask"
   1182 #define	SAVED_CONFIG_REGS_CAPINFO "pci-cap-info"
   1183 
   1184 typedef struct pci_config_header_state {
   1185 	uint16_t	chs_command;
   1186 	uint8_t		chs_cache_line_size;
   1187 	uint8_t		chs_latency_timer;
   1188 	uint8_t		chs_header_type;
   1189 	uint8_t		chs_sec_latency_timer;
   1190 	uint8_t		chs_bridge_control;
   1191 	uint32_t	chs_base0;
   1192 	uint32_t	chs_base1;
   1193 	uint32_t	chs_base2;
   1194 	uint32_t	chs_base3;
   1195 	uint32_t	chs_base4;
   1196 	uint32_t	chs_base5;
   1197 } pci_config_header_state_t;
   1198 
   1199 #ifdef _KERNEL
   1200 
   1201 typedef struct pci_cap_save_desc {
   1202 	uint16_t	cap_offset;
   1203 	uint16_t	cap_id;
   1204 	uint32_t	cap_nregs;
   1205 } pci_cap_save_desc_t;
   1206 
   1207 typedef struct pci_cap_entry {
   1208 	uint16_t		cap_id;
   1209 	uint16_t		cap_reg;
   1210 	uint16_t		cap_mask;
   1211 	uint32_t		cap_ndwords;
   1212 	uint32_t (*cap_save_func)(ddi_acc_handle_t confhdl, uint16_t cap_ptr,
   1213 	    uint32_t *regbuf, uint32_t ndwords);
   1214 } pci_cap_entry_t;
   1215 
   1216 #endif /* _KERNEL */
   1217 
   1218 #ifdef	__cplusplus
   1219 }
   1220 #endif
   1221 
   1222 #endif	/* _SYS_DDI_IMPLDEFS_H */
   1223