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Initial commit of OpenSPARC T2 architecture model.
[OpenSPARC-T2-SAM] / hypervisor / src / greatlakes / common / include / vdev_intr.h
/*
* ========== Copyright Header Begin ==========================================
*
* Hypervisor Software File: vdev_intr.h
*
* Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
*
* - Do no alter or remove copyright notices
*
* - Redistribution and use of this software in source and binary forms, with
* or without modification, are permitted provided that the following
* conditions are met:
*
* - Redistribution of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind.
* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN
* OR ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR
* FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed, licensed or
* intended for use in the design, construction, operation or maintenance of
* any nuclear facility.
*
* ========== Copyright Header End ============================================
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _VDEV_INTR_H
#define _VDEV_INTR_H
#pragma ident "@(#)vdev_intr.h 1.13 07/05/03 SMI"
#ifdef __cplusplus
extern "C" {
#endif
#include <hypervisor.h>
#include <hprivregs.h>
#include <intr.h>
/* BEGIN CSTYLED */
/*
* vino2inst
* +--------+
* dev2inst 0x0| |
* +--------+ +--------+
* 0x0| | devinstances | |
* +--------+ +---------+--------+ +--------+
* | | | | | | |
* +--------+ +---------+--------+ +--------+
* | inst -+-------> *cookiep| *ops | +-----| inst |
* +--------+ +---------+--------+ | +--------+
* | | | | | | ..........
* +--------+ +---------+--------+ | ..........
* .......... | *cookiep| *ops <----+ ..........
* .......... +---------+--------+ ..........
* .......... | | | | |
* .......... +---------+--------+ +--------+
* | | | *cookiep| *ops |--+ | |
* +--------+ +---------+--------+ | +--------+
* | | | | |
* +--------+ devops | +--------+
* | | +----------+<---- + | |
* +--------+ | dev2vino | +--------+
* | | +----------+ 0x7ff| |
* +--------+ | getvalid | +--------+
*0x1f| | +----------+
* +--------+ | setvalid |
* +----------+
* | getstate |
* +----------+
* | setstate |
* ............
* ............
* ............
* ............
* +----------+
* | |
* +----------+
* | |
* +----------+
*
*/
#define NDEVIDS 0x20
#define DEVIDMASK (NDEVIDS - 1)
#define NINOSPERDEV 64
#define DEVINOMASK (NINOSPERDEV - 1)
#define NVINOS (NINOSPERDEV * NDEVIDS)
#define NFIREDEVS 2
/*
* Number of devinstances
* defined to be <= 256 so a single byte
* can be used to hold an index value to this table.
*/
#define NDEV_INSTS 256
#define DEVCFGPA_MASK 0x1f
#define DEVCFGPA_SHIFT 6
/*
* Find the "opsvec" structure for a "vino"
*/
#define VINO2DEVINST(guest, vino, devinst, faillabel) \
cmp vino, NVINOS ;\
bgeu,pn %xcc, faillabel ;\
sethi %hi(GUEST_VINO2INST), devinst ;\
or devinst, %lo(GUEST_VINO2INST), devinst ;\
add guest, devinst, devinst ;\
ldub [devinst + vino], devinst ;\
brz,pn devinst, faillabel ;\
nop
/*
* Get the cookie for a devinst
*
* devinst and cookie may be the same register
*/
#define DEVINST2COOKIE(guest, devinst, cookie, scr, faillabel) \
brz,pn devinst, faillabel ;\
sllx devinst, DEVINST_SIZE_SHIFT, cookie ;\
ldx [guest + GUEST_CONFIGP], scr ;\
ldx [scr + CONFIG_DEVINSTANCES], scr ;\
add scr, cookie, cookie ;\
ldx [cookie + DEVINST_COOKIE], cookie
/*
* Find the "opsvec" structure for devhandle "handle"
*/
#define _DEVHANDLE2DEVINST(handle, opsvec, faillabel) \
btst DEVINOMASK, handle ;\
bnz,pn %xcc, faillabel ;\
srlx handle, DEVCFGPA_SHIFT, opsvec ;\
and opsvec, DEVIDMASK, opsvec
#define DEVINST2INDEX(guest, devinst, index, scr, faillabel) \
add guest, GUEST_DEV2INST, scr ;\
ldub [scr + devinst], index ;\
brz index, faillabel ;\
nop
#define _DEVHANDLE2OPSVEC(guest, handle, opsvec, scr, faillabel) \
_DEVHANDLE2DEVINST(handle, opsvec, faillabel) ;\
DEVINST2INDEX(guest, opsvec, opsvec, scr, faillabel)
/*
* Jump to a opsvec[devop] with a pointer to the "cookie"
*/
#define _JMPL_DEVOP(guest, devinst, devop, cookie, faillabel) \
sllx devinst, DEVINST_SIZE_SHIFT, devinst ;\
ldx [guest + GUEST_CONFIGP], cookie ;\
ldx [cookie + CONFIG_DEVINSTANCES], cookie ;\
add cookie, devinst, cookie ;\
ldx [cookie + DEVINST_OPS], devinst ;\
brz,pn devinst, faillabel ;\
ldx [cookie + DEVINST_COOKIE], cookie ;\
ldx [devinst + devop], devinst ;\
brz,pn devinst, faillabel ;\
nop ;\
jmpl devinst, %g0 ;\
nop
/*
* Jmp to "devop" for "vino" with pointer to the "cookie"
*/
#define JMPL_VINO2DEVOP(vino, devop, cookie, scr, label) \
GUEST_STRUCT(cookie) ;\
VINO2DEVINST(cookie, vino, scr, label) ;\
_JMPL_DEVOP(cookie, scr, devop, cookie, label)
/*
* Jmp to "devop" of device "handle" with "cookie"
*/
#define JMPL_DEVHANDLE2DEVOP(handle, devop, cookie, scr1, scr2, faillabel) \
GUEST_STRUCT(cookie) ;\
_DEVHANDLE2OPSVEC(cookie, handle, scr1, scr2, faillabel) ;\
_JMPL_DEVOP(cookie, scr1, devop, cookie, faillabel)
/* END CSTYLED */
/*
* The virtual interrupt management framework.
* When a guest binds to a vintr we lookup the virtual->physical
* mapping and store the physical cpu info in the vintr table.
*/
#define NUM_VINTRS 64 /* Must be a power of two */
#define VINTR_INO_MASK (NUM_VINTRS - 1)
/* BEGIN CSTYLED */
/* guest and vdevstate may NOT be the same register */
#define GUEST2VDEVSTATE(guest, vdevstate) \
set GUEST_VDEV_STATE, vdevstate ; \
add guest, vdevstate, vdevstate
/* vino and mapreg may be the same register */
#define VINO2MAPREG(state, vino, mapreg) \
and vino, DEVINOMASK, mapreg ; \
sllx mapreg, MAPREG_SHIFT, mapreg ; \
add state, mapreg, mapreg ; \
add mapreg, VDEV_STATE_MAPREG, mapreg
/* END CSTYLED */
#ifndef _ASM
struct devinst {
void *cookie;
struct devopsvec *ops;
};
typedef struct devinst devinst_t;
extern devinst_t devinstances[];
/*
* Virtual INO to Device Instance
*
* This byte array contains the indexes into array of struct devinst
*
* It is used to go from vINO => device instance
*/
typedef struct vino2inst vino2inst_t;
struct vino2inst {
uint8_t vino [NVINOS];
};
typedef struct vino_pcie vino_pcie_t;
struct vino_pcie {
uint8_t vino [NPCIEDEVS][NINOSPERDEV];
};
extern const struct vino2inst config_vino2inst;
extern const uint8_t config_dev2inst[NDEVIDS];
extern const struct vino_pcie config_pcie_vinos;
/*
* Virtual Interrupt Mapping Register (vmapreg), one per interrupt
*
* The virtual mapping register is split into two 32-bit words. The
* first word is modified by the hypervisor asynchronously. The
* second word contains state that is modified by the guest.
*
* The state field contains a sun4v interrupt state:
* INTR_IDLE (0), INTR_RECEIVED (1), INTR_DELIVERED (2)
*
* The physical cpu number (pcu) is cached in the vmapreg and
* is a translation of the guest's virtual cpu number.
* This framework will require changes to support Dynamic
* Reconfiguration (DR) of processors.
* pcpu is never returned to a guest; this is for reverse lookup
*
* XXX have a flag or a pointer to 7 words to use in addition to data0
*/
typedef struct vdev_mapreg vdev_mapreg_t;
struct vdev_mapreg {
uint8_t state;
uint8_t valid;
uint16_t pcpu;
uint16_t vcpu;
uint8_t ino;
uint8_t reserved;
uint64_t data0;
uint64_t devcookie;
uint64_t getstate;
uint64_t setstate;
uint64_t _padding[3];
};
/*
* vdev nexus state structure, one per guest
*/
typedef struct vdev_state vdev_state_t;
struct vdev_state {
uint64_t handle;
struct vdev_mapreg mapreg[NUM_VINTRS];
uint16_t inomax; /* Max INO */
uint16_t vinobase; /* First Vino */
};
/*
* Definitions for vdev_intr_register & its C wrapper
*/
typedef int (*intr_getstate_f)(void *);
typedef void (*intr_setstate_f)(void *, int);
extern uint64_t c_vdev_intr_register(void *, int, void *,
intr_getstate_f, intr_setstate_f);
#endif /* !_ASM */
#ifdef __cplusplus
}
#endif
#endif /* _VDEV_INTR_H */
Full OpenSPARC architecture tarball including simulator, hypervisor, and OBP.