[thirdparty/qemu.git] / include / hw / ppc / spapr_drc.h

/*
 * QEMU SPAPR Dynamic Reconfiguration Connector Implementation
 *
 * Copyright IBM Corp. 2014
 *
 * Authors:
 *  Michael Roth      <mdroth@linux.vnet.ibm.com>
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or later.
 * See the COPYING file in the top-level directory.
 */

#ifndef HW_SPAPR_DRC_H
#define HW_SPAPR_DRC_H

#include <libfdt.h>
#include "qapi/qapi-types-run-state.h"
#include "qom/object.h"
#include "sysemu/sysemu.h"
#include "hw/qdev.h"

#define TYPE_SPAPR_DR_CONNECTOR "spapr-dr-connector"
#define SPAPR_DR_CONNECTOR_GET_CLASS(obj) \
        OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DR_CONNECTOR)
#define SPAPR_DR_CONNECTOR_CLASS(klass) \
        OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, \
                           TYPE_SPAPR_DR_CONNECTOR)
#define SPAPR_DR_CONNECTOR(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
                                             TYPE_SPAPR_DR_CONNECTOR)

#define TYPE_SPAPR_DRC_PHYSICAL "spapr-drc-physical"
#define SPAPR_DRC_PHYSICAL_GET_CLASS(obj) \
        OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_PHYSICAL)
#define SPAPR_DRC_PHYSICAL_CLASS(klass) \
        OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, \
                           TYPE_SPAPR_DRC_PHYSICAL)
#define SPAPR_DRC_PHYSICAL(obj) OBJECT_CHECK(sPAPRDRCPhysical, (obj), \
                                             TYPE_SPAPR_DRC_PHYSICAL)

#define TYPE_SPAPR_DRC_LOGICAL "spapr-drc-logical"
#define SPAPR_DRC_LOGICAL_GET_CLASS(obj) \
        OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_LOGICAL)
#define SPAPR_DRC_LOGICAL_CLASS(klass) \
        OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, \
                           TYPE_SPAPR_DRC_LOGICAL)
#define SPAPR_DRC_LOGICAL(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
                                             TYPE_SPAPR_DRC_LOGICAL)

#define TYPE_SPAPR_DRC_CPU "spapr-drc-cpu"
#define SPAPR_DRC_CPU_GET_CLASS(obj) \
        OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_CPU)
#define SPAPR_DRC_CPU_CLASS(klass) \
        OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, TYPE_SPAPR_DRC_CPU)
#define SPAPR_DRC_CPU(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
                                        TYPE_SPAPR_DRC_CPU)

#define TYPE_SPAPR_DRC_PCI "spapr-drc-pci"
#define SPAPR_DRC_PCI_GET_CLASS(obj) \
        OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_PCI)
#define SPAPR_DRC_PCI_CLASS(klass) \
        OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, TYPE_SPAPR_DRC_PCI)
#define SPAPR_DRC_PCI(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
                                        TYPE_SPAPR_DRC_PCI)

#define TYPE_SPAPR_DRC_LMB "spapr-drc-lmb"
#define SPAPR_DRC_LMB_GET_CLASS(obj) \
        OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_LMB)
#define SPAPR_DRC_LMB_CLASS(klass) \
        OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, TYPE_SPAPR_DRC_LMB)
#define SPAPR_DRC_LMB(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
                                        TYPE_SPAPR_DRC_LMB)

/*
 * Various hotplug types managed by sPAPRDRConnector
 *
 * these are somewhat arbitrary, but to make things easier
 * when generating DRC indexes later we've aligned the bit
 * positions with the values used to assign DRC indexes on
 * pSeries. we use those values as bit shifts to allow for
 * the OR'ing of these values in various QEMU routines, but
 * for values exposed to the guest (via DRC indexes for
 * instance) we will use the shift amounts.
 */
typedef enum {
    SPAPR_DR_CONNECTOR_TYPE_SHIFT_CPU = 1,
    SPAPR_DR_CONNECTOR_TYPE_SHIFT_PHB = 2,
    SPAPR_DR_CONNECTOR_TYPE_SHIFT_VIO = 3,
    SPAPR_DR_CONNECTOR_TYPE_SHIFT_PCI = 4,
    SPAPR_DR_CONNECTOR_TYPE_SHIFT_LMB = 8,
} sPAPRDRConnectorTypeShift;

typedef enum {
    SPAPR_DR_CONNECTOR_TYPE_ANY = ~0,
    SPAPR_DR_CONNECTOR_TYPE_CPU = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_CPU,
    SPAPR_DR_CONNECTOR_TYPE_PHB = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_PHB,
    SPAPR_DR_CONNECTOR_TYPE_VIO = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_VIO,
    SPAPR_DR_CONNECTOR_TYPE_PCI = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_PCI,
    SPAPR_DR_CONNECTOR_TYPE_LMB = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_LMB,
} sPAPRDRConnectorType;

/*
 * set via set-indicator RTAS calls
 * as documented by PAPR+ 2.7 13.5.3.4, Table 177
 *
 * isolated: put device under firmware control
 * unisolated: claim OS control of device (may or may not be in use)
 */
typedef enum {
    SPAPR_DR_ISOLATION_STATE_ISOLATED   = 0,
    SPAPR_DR_ISOLATION_STATE_UNISOLATED = 1
} sPAPRDRIsolationState;

/*
 * set via set-indicator RTAS calls
 * as documented by PAPR+ 2.7 13.5.3.4, Table 177
 *
 * unusable: mark device as unavailable to OS
 * usable: mark device as available to OS
 * exchange: (currently unused)
 * recover: (currently unused)
 */
typedef enum {
    SPAPR_DR_ALLOCATION_STATE_UNUSABLE  = 0,
    SPAPR_DR_ALLOCATION_STATE_USABLE    = 1,
    SPAPR_DR_ALLOCATION_STATE_EXCHANGE  = 2,
    SPAPR_DR_ALLOCATION_STATE_RECOVER   = 3
} sPAPRDRAllocationState;

/*
 * DR-indicator (LED/visual indicator)
 *
 * set via set-indicator RTAS calls
 * as documented by PAPR+ 2.7 13.5.3.4, Table 177,
 * and PAPR+ 2.7 13.5.4.1, Table 180
 *
 * inactive: hotpluggable entity inactive and safely removable
 * active: hotpluggable entity in use and not safely removable
 * identify: (currently unused)
 * action: (currently unused)
 */
typedef enum {
    SPAPR_DR_INDICATOR_INACTIVE   = 0,
    SPAPR_DR_INDICATOR_ACTIVE     = 1,
    SPAPR_DR_INDICATOR_IDENTIFY   = 2,
    SPAPR_DR_INDICATOR_ACTION     = 3,
} sPAPRDRIndicatorState;

/*
 * returned via get-sensor-state RTAS calls
 * as documented by PAPR+ 2.7 13.5.3.3, Table 175:
 *
 * empty: connector slot empty (e.g. empty hotpluggable PCI slot)
 * present: connector slot populated and device available to OS
 * unusable: device not currently available to OS
 * exchange: (currently unused)
 * recover: (currently unused)
 */
typedef enum {
    SPAPR_DR_ENTITY_SENSE_EMPTY     = 0,
    SPAPR_DR_ENTITY_SENSE_PRESENT   = 1,
    SPAPR_DR_ENTITY_SENSE_UNUSABLE  = 2,
    SPAPR_DR_ENTITY_SENSE_EXCHANGE  = 3,
    SPAPR_DR_ENTITY_SENSE_RECOVER   = 4,
} sPAPRDREntitySense;

typedef enum {
    SPAPR_DR_CC_RESPONSE_NEXT_SIB         = 1, /* currently unused */
    SPAPR_DR_CC_RESPONSE_NEXT_CHILD       = 2,
    SPAPR_DR_CC_RESPONSE_NEXT_PROPERTY    = 3,
    SPAPR_DR_CC_RESPONSE_PREV_PARENT      = 4,
    SPAPR_DR_CC_RESPONSE_SUCCESS          = 0,
    SPAPR_DR_CC_RESPONSE_ERROR            = -1,
    SPAPR_DR_CC_RESPONSE_CONTINUE         = -2,
    SPAPR_DR_CC_RESPONSE_NOT_CONFIGURABLE = -9003,
} sPAPRDRCCResponse;

typedef enum {
    /*
     * Values come from Fig. 12 in LoPAPR section 13.4
     *
     * These are exposed in the migration stream, so don't change
     * them.
     */
    SPAPR_DRC_STATE_INVALID             = 0,
    SPAPR_DRC_STATE_LOGICAL_UNUSABLE    = 1,
    SPAPR_DRC_STATE_LOGICAL_AVAILABLE   = 2,
    SPAPR_DRC_STATE_LOGICAL_UNISOLATE   = 3,
    SPAPR_DRC_STATE_LOGICAL_CONFIGURED  = 4,
    SPAPR_DRC_STATE_PHYSICAL_AVAILABLE  = 5,
    SPAPR_DRC_STATE_PHYSICAL_POWERON    = 6,
    SPAPR_DRC_STATE_PHYSICAL_UNISOLATE  = 7,
    SPAPR_DRC_STATE_PHYSICAL_CONFIGURED = 8,
} sPAPRDRCState;

typedef struct sPAPRDRConnector {
    /*< private >*/
    DeviceState parent;

    uint32_t id;
    Object *owner;

    uint32_t state;

    /* RTAS ibm,configure-connector state */
    /* (only valid in UNISOLATE state) */
    int ccs_offset;
    int ccs_depth;

    /* device pointer, via link property */
    DeviceState *dev;
    bool unplug_requested;
    void *fdt;
    int fdt_start_offset;
} sPAPRDRConnector;

typedef struct sPAPRDRConnectorClass {
    /*< private >*/
    DeviceClass parent;
    sPAPRDRCState empty_state;
    sPAPRDRCState ready_state;

    /*< public >*/
    sPAPRDRConnectorTypeShift typeshift;
    const char *typename; /* used in device tree, PAPR 13.5.2.6 & C.6.1 */
    const char *drc_name_prefix; /* used other places in device tree */

    sPAPRDREntitySense (*dr_entity_sense)(sPAPRDRConnector *drc);
    uint32_t (*isolate)(sPAPRDRConnector *drc);
    uint32_t (*unisolate)(sPAPRDRConnector *drc);
    void (*release)(DeviceState *dev);
} sPAPRDRConnectorClass;

typedef struct sPAPRDRCPhysical {
    /*< private >*/
    sPAPRDRConnector parent;

    /* DR-indicator */
    uint32_t dr_indicator;
} sPAPRDRCPhysical;

static inline bool spapr_drc_hotplugged(DeviceState *dev)
{
    return dev->hotplugged && !runstate_check(RUN_STATE_INMIGRATE);
}

void spapr_drc_reset(sPAPRDRConnector *drc);

uint32_t spapr_drc_index(sPAPRDRConnector *drc);
sPAPRDRConnectorType spapr_drc_type(sPAPRDRConnector *drc);

sPAPRDRConnector *spapr_dr_connector_new(Object *owner, const char *type,
                                         uint32_t id);
sPAPRDRConnector *spapr_drc_by_index(uint32_t index);
sPAPRDRConnector *spapr_drc_by_id(const char *type, uint32_t id);
int spapr_drc_populate_dt(void *fdt, int fdt_offset, Object *owner,
                          uint32_t drc_type_mask);

void spapr_drc_attach(sPAPRDRConnector *drc, DeviceState *d, void *fdt,
                      int fdt_start_offset, Error **errp);
void spapr_drc_detach(sPAPRDRConnector *drc);
bool spapr_drc_needed(void *opaque);

static inline bool spapr_drc_unplug_requested(sPAPRDRConnector *drc)
{
    return drc->unplug_requested;
}

#endif /* HW_SPAPR_DRC_H */
Commit	Line	Data
bbf5c878 MR	1	/*
	2	* QEMU SPAPR Dynamic Reconfiguration Connector Implementation
	3	*
	4	* Copyright IBM Corp. 2014
	5	*
	6	* Authors:
	7	* Michael Roth <mdroth@linux.vnet.ibm.com>
	8	*
	9	* This work is licensed under the terms of the GNU GPL, version 2 or later.
	10	* See the COPYING file in the top-level directory.
	11	*/
2a6a4076 MA	12
	13	#ifndef HW_SPAPR_DRC_H
	14	#define HW_SPAPR_DRC_H
bbf5c878	15
a9c94277	16	#include <libfdt.h>
9af23989	17	#include "qapi/qapi-types-run-state.h"
bbf5c878	18	#include "qom/object.h"
94fd9cba	19	#include "sysemu/sysemu.h"
bbf5c878	20	#include "hw/qdev.h"
bbf5c878 MR	21
	22	#define TYPE_SPAPR_DR_CONNECTOR "spapr-dr-connector"
	23	#define SPAPR_DR_CONNECTOR_GET_CLASS(obj) \
	24	OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DR_CONNECTOR)
	25	#define SPAPR_DR_CONNECTOR_CLASS(klass) \
	26	OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, \
	27	TYPE_SPAPR_DR_CONNECTOR)
	28	#define SPAPR_DR_CONNECTOR(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
	29	TYPE_SPAPR_DR_CONNECTOR)
	30
2d335818 DG	31	#define TYPE_SPAPR_DRC_PHYSICAL "spapr-drc-physical"
	32	#define SPAPR_DRC_PHYSICAL_GET_CLASS(obj) \
	33	OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_PHYSICAL)
	34	#define SPAPR_DRC_PHYSICAL_CLASS(klass) \
	35	OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, \
	36	TYPE_SPAPR_DRC_PHYSICAL)
67fea71b	37	#define SPAPR_DRC_PHYSICAL(obj) OBJECT_CHECK(sPAPRDRCPhysical, (obj), \
2d335818 DG	38	TYPE_SPAPR_DRC_PHYSICAL)
	39
	40	#define TYPE_SPAPR_DRC_LOGICAL "spapr-drc-logical"
	41	#define SPAPR_DRC_LOGICAL_GET_CLASS(obj) \
	42	OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_LOGICAL)
	43	#define SPAPR_DRC_LOGICAL_CLASS(klass) \
	44	OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, \
	45	TYPE_SPAPR_DRC_LOGICAL)
	46	#define SPAPR_DRC_LOGICAL(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
	47	TYPE_SPAPR_DRC_LOGICAL)
	48
	49	#define TYPE_SPAPR_DRC_CPU "spapr-drc-cpu"
	50	#define SPAPR_DRC_CPU_GET_CLASS(obj) \
	51	OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_CPU)
	52	#define SPAPR_DRC_CPU_CLASS(klass) \
	53	OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, TYPE_SPAPR_DRC_CPU)
	54	#define SPAPR_DRC_CPU(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
	55	TYPE_SPAPR_DRC_CPU)
	56
	57	#define TYPE_SPAPR_DRC_PCI "spapr-drc-pci"
	58	#define SPAPR_DRC_PCI_GET_CLASS(obj) \
	59	OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_PCI)
	60	#define SPAPR_DRC_PCI_CLASS(klass) \
	61	OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, TYPE_SPAPR_DRC_PCI)
	62	#define SPAPR_DRC_PCI(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
	63	TYPE_SPAPR_DRC_PCI)
	64
	65	#define TYPE_SPAPR_DRC_LMB "spapr-drc-lmb"
	66	#define SPAPR_DRC_LMB_GET_CLASS(obj) \
	67	OBJECT_GET_CLASS(sPAPRDRConnectorClass, obj, TYPE_SPAPR_DRC_LMB)
	68	#define SPAPR_DRC_LMB_CLASS(klass) \
	69	OBJECT_CLASS_CHECK(sPAPRDRConnectorClass, klass, TYPE_SPAPR_DRC_LMB)
	70	#define SPAPR_DRC_LMB(obj) OBJECT_CHECK(sPAPRDRConnector, (obj), \
	71	TYPE_SPAPR_DRC_LMB)
	72
bbf5c878 MR	73	/*
	74	* Various hotplug types managed by sPAPRDRConnector
	75	*
	76	* these are somewhat arbitrary, but to make things easier
	77	* when generating DRC indexes later we've aligned the bit
	78	* positions with the values used to assign DRC indexes on
	79	* pSeries. we use those values as bit shifts to allow for
	80	* the OR'ing of these values in various QEMU routines, but
	81	* for values exposed to the guest (via DRC indexes for
	82	* instance) we will use the shift amounts.
	83	*/
	84	typedef enum {
	85	SPAPR_DR_CONNECTOR_TYPE_SHIFT_CPU = 1,
	86	SPAPR_DR_CONNECTOR_TYPE_SHIFT_PHB = 2,
	87	SPAPR_DR_CONNECTOR_TYPE_SHIFT_VIO = 3,
	88	SPAPR_DR_CONNECTOR_TYPE_SHIFT_PCI = 4,
	89	SPAPR_DR_CONNECTOR_TYPE_SHIFT_LMB = 8,
	90	} sPAPRDRConnectorTypeShift;
	91
	92	typedef enum {
	93	SPAPR_DR_CONNECTOR_TYPE_ANY = ~0,
	94	SPAPR_DR_CONNECTOR_TYPE_CPU = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_CPU,
	95	SPAPR_DR_CONNECTOR_TYPE_PHB = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_PHB,
	96	SPAPR_DR_CONNECTOR_TYPE_VIO = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_VIO,
	97	SPAPR_DR_CONNECTOR_TYPE_PCI = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_PCI,
	98	SPAPR_DR_CONNECTOR_TYPE_LMB = 1 << SPAPR_DR_CONNECTOR_TYPE_SHIFT_LMB,
	99	} sPAPRDRConnectorType;
	100
	101	/*
	102	* set via set-indicator RTAS calls
	103	* as documented by PAPR+ 2.7 13.5.3.4, Table 177
	104	*
	105	* isolated: put device under firmware control
	106	* unisolated: claim OS control of device (may or may not be in use)
	107	*/
	108	typedef enum {
	109	SPAPR_DR_ISOLATION_STATE_ISOLATED = 0,
	110	SPAPR_DR_ISOLATION_STATE_UNISOLATED = 1
	111	} sPAPRDRIsolationState;
	112
	113	/*
	114	* set via set-indicator RTAS calls
	115	* as documented by PAPR+ 2.7 13.5.3.4, Table 177
	116	*
	117	* unusable: mark device as unavailable to OS
	118	* usable: mark device as available to OS
	119	* exchange: (currently unused)
	120	* recover: (currently unused)
	121	*/
	122	typedef enum {
	123	SPAPR_DR_ALLOCATION_STATE_UNUSABLE = 0,
	124	SPAPR_DR_ALLOCATION_STATE_USABLE = 1,
	125	SPAPR_DR_ALLOCATION_STATE_EXCHANGE = 2,
	126	SPAPR_DR_ALLOCATION_STATE_RECOVER = 3
	127	} sPAPRDRAllocationState;
	128
	129	/*
cd74d27e	130	* DR-indicator (LED/visual indicator)
bbf5c878 MR	131	*
	132	* set via set-indicator RTAS calls
	133	* as documented by PAPR+ 2.7 13.5.3.4, Table 177,
	134	* and PAPR+ 2.7 13.5.4.1, Table 180
	135	*
	136	* inactive: hotpluggable entity inactive and safely removable
	137	* active: hotpluggable entity in use and not safely removable
	138	* identify: (currently unused)
	139	* action: (currently unused)
	140	*/
	141	typedef enum {
cd74d27e DG	142	SPAPR_DR_INDICATOR_INACTIVE = 0,
	143	SPAPR_DR_INDICATOR_ACTIVE = 1,
	144	SPAPR_DR_INDICATOR_IDENTIFY = 2,
	145	SPAPR_DR_INDICATOR_ACTION = 3,
bbf5c878 MR	146	} sPAPRDRIndicatorState;
	147
	148	/*
	149	* returned via get-sensor-state RTAS calls
	150	* as documented by PAPR+ 2.7 13.5.3.3, Table 175:
	151	*
	152	* empty: connector slot empty (e.g. empty hotpluggable PCI slot)
	153	* present: connector slot populated and device available to OS
	154	* unusable: device not currently available to OS
	155	* exchange: (currently unused)
	156	* recover: (currently unused)
	157	*/
	158	typedef enum {
	159	SPAPR_DR_ENTITY_SENSE_EMPTY = 0,
	160	SPAPR_DR_ENTITY_SENSE_PRESENT = 1,
	161	SPAPR_DR_ENTITY_SENSE_UNUSABLE = 2,
	162	SPAPR_DR_ENTITY_SENSE_EXCHANGE = 3,
	163	SPAPR_DR_ENTITY_SENSE_RECOVER = 4,
	164	} sPAPRDREntitySense;
	165
	166	typedef enum {
e6fc9568 BR	167	SPAPR_DR_CC_RESPONSE_NEXT_SIB = 1, /* currently unused */
	168	SPAPR_DR_CC_RESPONSE_NEXT_CHILD = 2,
	169	SPAPR_DR_CC_RESPONSE_NEXT_PROPERTY = 3,
	170	SPAPR_DR_CC_RESPONSE_PREV_PARENT = 4,
	171	SPAPR_DR_CC_RESPONSE_SUCCESS = 0,
	172	SPAPR_DR_CC_RESPONSE_ERROR = -1,
	173	SPAPR_DR_CC_RESPONSE_CONTINUE = -2,
	174	SPAPR_DR_CC_RESPONSE_NOT_CONFIGURABLE = -9003,
bbf5c878 MR	175	} sPAPRDRCCResponse;
bbf5c878 MR	176
9d4c0f4f DG	177	typedef enum {
	178	/*
	179	* Values come from Fig. 12 in LoPAPR section 13.4
	180	*
	181	* These are exposed in the migration stream, so don't change
	182	* them.
	183	*/
	184	SPAPR_DRC_STATE_INVALID = 0,
	185	SPAPR_DRC_STATE_LOGICAL_UNUSABLE = 1,
	186	SPAPR_DRC_STATE_LOGICAL_AVAILABLE = 2,
	187	SPAPR_DRC_STATE_LOGICAL_UNISOLATE = 3,
	188	SPAPR_DRC_STATE_LOGICAL_CONFIGURED = 4,
	189	SPAPR_DRC_STATE_PHYSICAL_AVAILABLE = 5,
	190	SPAPR_DRC_STATE_PHYSICAL_POWERON = 6,
	191	SPAPR_DRC_STATE_PHYSICAL_UNISOLATE = 7,
	192	SPAPR_DRC_STATE_PHYSICAL_CONFIGURED = 8,
	193	} sPAPRDRCState;
	194
bbf5c878 MR	195	typedef struct sPAPRDRConnector {
	196	/< private >/
	197	DeviceState parent;
	198
bbf5c878 MR	199	uint32_t id;
bbf5c878 MR	200	Object *owner;
bbf5c878	201
9d4c0f4f	202	uint32_t state;
bbf5c878	203
4445b1d2 DG	204	/* RTAS ibm,configure-connector state */
	205	/* (only valid in UNISOLATE state) */
	206	int ccs_offset;
	207	int ccs_depth;
bbf5c878	208
bbf5c878 MR	209	/* device pointer, via link property */
bbf5c878 MR	210	DeviceState *dev;
f1c52354	211	bool unplug_requested;
4445b1d2 DG	212	void *fdt;
4445b1d2 DG	213	int fdt_start_offset;
bbf5c878 MR	214	} sPAPRDRConnector;
	215
	216	typedef struct sPAPRDRConnectorClass {
	217	/< private >/
	218	DeviceClass parent;
9d4c0f4f DG	219	sPAPRDRCState empty_state;
9d4c0f4f DG	220	sPAPRDRCState ready_state;
bbf5c878 MR	221
bbf5c878 MR	222	/< public >/
2d335818	223	sPAPRDRConnectorTypeShift typeshift;
1693ea16	224	const char typename; / used in device tree, PAPR 13.5.2.6 & C.6.1 */
79808336	225	const char drc_name_prefix; / used other places in device tree */
bbf5c878	226
f224d35b	227	sPAPRDREntitySense (dr_entity_sense)(sPAPRDRConnector drc);
0dfabd39 DG	228	uint32_t (isolate)(sPAPRDRConnector drc);
0dfabd39 DG	229	uint32_t (unisolate)(sPAPRDRConnector drc);
6b762f29	230	void (release)(DeviceState dev);
bbf5c878 MR	231	} sPAPRDRConnectorClass;
bbf5c878 MR	232
67fea71b DG	233	typedef struct sPAPRDRCPhysical {
	234	/< private >/
	235	sPAPRDRConnector parent;
	236
	237	/* DR-indicator */
	238	uint32_t dr_indicator;
	239	} sPAPRDRCPhysical;
	240
94fd9cba LV	241	static inline bool spapr_drc_hotplugged(DeviceState *dev)
	242	{
	243	return dev->hotplugged && !runstate_check(RUN_STATE_INMIGRATE);
	244	}
	245
	246	void spapr_drc_reset(sPAPRDRConnector *drc);
	247
0b55aa91 DG	248	uint32_t spapr_drc_index(sPAPRDRConnector *drc);
	249	sPAPRDRConnectorType spapr_drc_type(sPAPRDRConnector *drc);
	250
2d335818	251	sPAPRDRConnector spapr_dr_connector_new(Object owner, const char *type,
bbf5c878	252	uint32_t id);
fbf55397 DG	253	sPAPRDRConnector *spapr_drc_by_index(uint32_t index);
fbf55397 DG	254	sPAPRDRConnector spapr_drc_by_id(const char type, uint32_t id);
e4b798bb MR	255	int spapr_drc_populate_dt(void fdt, int fdt_offset, Object owner,
e4b798bb MR	256	uint32_t drc_type_mask);
bbf5c878	257
0be4e886	258	void spapr_drc_attach(sPAPRDRConnector drc, DeviceState d, void *fdt,
5c1da812	259	int fdt_start_offset, Error **errp);
a8dc47fd	260	void spapr_drc_detach(sPAPRDRConnector *drc);
10f12e64	261	bool spapr_drc_needed(void *opaque);
0be4e886	262
f1c52354 DG	263	static inline bool spapr_drc_unplug_requested(sPAPRDRConnector *drc)
	264	{
	265	return drc->unplug_requested;
	266	}
	267
2a6a4076	268	#endif /* HW_SPAPR_DRC_H */