1*25cf1a30Sjl /* 2*25cf1a30Sjl * CDDL HEADER START 3*25cf1a30Sjl * 4*25cf1a30Sjl * The contents of this file are subject to the terms of the 5*25cf1a30Sjl * Common Development and Distribution License (the "License"). 6*25cf1a30Sjl * You may not use this file except in compliance with the License. 7*25cf1a30Sjl * 8*25cf1a30Sjl * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9*25cf1a30Sjl * or http://www.opensolaris.org/os/licensing. 10*25cf1a30Sjl * See the License for the specific language governing permissions 11*25cf1a30Sjl * and limitations under the License. 12*25cf1a30Sjl * 13*25cf1a30Sjl * When distributing Covered Code, include this CDDL HEADER in each 14*25cf1a30Sjl * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15*25cf1a30Sjl * If applicable, add the following below this CDDL HEADER, with the 16*25cf1a30Sjl * fields enclosed by brackets "[]" replaced with your own identifying 17*25cf1a30Sjl * information: Portions Copyright [yyyy] [name of copyright owner] 18*25cf1a30Sjl * 19*25cf1a30Sjl * CDDL HEADER END 20*25cf1a30Sjl */ 21*25cf1a30Sjl /* 22*25cf1a30Sjl * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23*25cf1a30Sjl * Use is subject to license terms. 24*25cf1a30Sjl */ 25*25cf1a30Sjl 26*25cf1a30Sjl #ifndef _SYS_PCMU_IB_H 27*25cf1a30Sjl #define _SYS_PCMU_IB_H 28*25cf1a30Sjl 29*25cf1a30Sjl #pragma ident "%Z%%M% %I% %E% SMI" 30*25cf1a30Sjl 31*25cf1a30Sjl #ifdef __cplusplus 32*25cf1a30Sjl extern "C" { 33*25cf1a30Sjl #endif 34*25cf1a30Sjl 35*25cf1a30Sjl #include <sys/ddi_subrdefs.h> 36*25cf1a30Sjl 37*25cf1a30Sjl typedef uint8_t pcmu_ib_ino_t; 38*25cf1a30Sjl typedef uint16_t pcmu_ib_mondo_t; 39*25cf1a30Sjl 40*25cf1a30Sjl /* 41*25cf1a30Sjl * The following structure represents an interrupt entry for an INO. 42*25cf1a30Sjl */ 43*25cf1a30Sjl typedef struct ih { 44*25cf1a30Sjl dev_info_t *ih_dip; /* devinfo structure */ 45*25cf1a30Sjl uint32_t ih_inum; /* interrupt number for this device */ 46*25cf1a30Sjl uint_t ih_intr_state; /* Only used for fixed interrupts */ 47*25cf1a30Sjl uint_t (*ih_handler)(); /* interrupt handler */ 48*25cf1a30Sjl caddr_t ih_handler_arg1; /* interrupt handler argument #1 */ 49*25cf1a30Sjl caddr_t ih_handler_arg2; /* interrupt handler argument #2 */ 50*25cf1a30Sjl ddi_acc_handle_t ih_config_handle; /* config space reg map handle */ 51*25cf1a30Sjl struct ih *ih_next; /* next entry in list */ 52*25cf1a30Sjl } ih_t; 53*25cf1a30Sjl 54*25cf1a30Sjl /* 55*25cf1a30Sjl * ino structure : one per CMU-CH ino with interrupt registered 56*25cf1a30Sjl */ 57*25cf1a30Sjl typedef struct pcmu_ib_ino_info { 58*25cf1a30Sjl struct pcmu_ib_ino_info *pino_next; 59*25cf1a30Sjl pcmu_ib_ino_t pino_ino; /* INO number - 8 bit */ 60*25cf1a30Sjl uint8_t pino_slot_no; /* PCI slot number 0-8 */ 61*25cf1a30Sjl uint16_t pino_ih_size; /* size of the pci intrspec list */ 62*25cf1a30Sjl ih_t *pino_ih_head; /* intr spec (part of ppd) list head */ 63*25cf1a30Sjl ih_t *pino_ih_tail; /* intr spec (part of ppd) list tail */ 64*25cf1a30Sjl ih_t *pino_ih_start; /* starting point in intr spec list */ 65*25cf1a30Sjl pcmu_ib_t *pino_ib_p; /* link back to interrupt block state */ 66*25cf1a30Sjl volatile uint64_t *pino_clr_reg; /* ino interrupt clear register */ 67*25cf1a30Sjl volatile uint64_t *pino_map_reg; /* ino interrupt mapping register */ 68*25cf1a30Sjl uint64_t pino_map_reg_save; /* = *pino_map_reg if saved */ 69*25cf1a30Sjl uint32_t pino_pil; /* PIL for this ino */ 70*25cf1a30Sjl volatile uint_t pino_unclaimed; /* number of unclaimed interrupts */ 71*25cf1a30Sjl clock_t pino_spurintr_begin; /* begin time of spurious intr series */ 72*25cf1a30Sjl int pino_established; /* ino has been associated with a cpu */ 73*25cf1a30Sjl uint32_t pino_cpuid; /* cpu that ino is targeting */ 74*25cf1a30Sjl int32_t pino_intr_weight; /* intr weight of devices sharing ino */ 75*25cf1a30Sjl } pcmu_ib_ino_info_t; 76*25cf1a30Sjl 77*25cf1a30Sjl /* 78*25cf1a30Sjl * interrupt block soft state structure: 79*25cf1a30Sjl */ 80*25cf1a30Sjl struct pcmu_ib { 81*25cf1a30Sjl pcmu_t *pib_pcmu_p; /* link back to pci soft state */ 82*25cf1a30Sjl pcmu_ign_t pib_ign; /* interrupt group # */ 83*25cf1a30Sjl uintptr_t pib_obio_intr_map_regs; /* onboard intr map register */ 84*25cf1a30Sjl uintptr_t pib_obio_clear_intr_regs; /* onboard intr clear reg */ 85*25cf1a30Sjl volatile uint64_t *pib_upa_imr[2]; /* UPA expansion intr map register */ 86*25cf1a30Sjl uint64_t pib_upa_imr_state[2]; /* UPA intr map state */ /* RAGS */ 87*25cf1a30Sjl volatile uint64_t *pib_intr_retry_timer_reg; /* intr retry register */ 88*25cf1a30Sjl volatile uint64_t *pib_obio_intr_state_diag_reg; /* onboard intr st. */ 89*25cf1a30Sjl uint_t pib_max_ino; /* largest supported INO */ 90*25cf1a30Sjl pcmu_ib_ino_info_t *pib_ino_lst; /* ino link list */ 91*25cf1a30Sjl kmutex_t pib_ino_lst_mutex; /* mutex for ino link list */ 92*25cf1a30Sjl kmutex_t pib_intr_lock; /* lock for internal intr */ 93*25cf1a30Sjl }; 94*25cf1a30Sjl 95*25cf1a30Sjl #define PCMU_MAX_INO 0x3f 96*25cf1a30Sjl #define PCMU_INO_BITS 6 /* INO#s are 6 bits long */ 97*25cf1a30Sjl 98*25cf1a30Sjl /* 99*25cf1a30Sjl * Only used for fixed or legacy interrupts 100*25cf1a30Sjl */ 101*25cf1a30Sjl #define PCMU_INTR_STATE_DISABLE 0 /* disabled */ 102*25cf1a30Sjl #define PCMU_INTR_STATE_ENABLE 1 /* enabled */ 103*25cf1a30Sjl 104*25cf1a30Sjl #define PCMU_IB_INTR_WAIT 1 /* wait for inter completion */ 105*25cf1a30Sjl #define PCMU_IB_INTR_NOWAIT 0 /* handling intr, no wait */ 106*25cf1a30Sjl 107*25cf1a30Sjl #define PCMU_IB2CB(pib_p) ((pib_p)->pib_pcmu_p->pcmu_cb_p) 108*25cf1a30Sjl 109*25cf1a30Sjl #define PCMU_IB_MONDO_TO_INO(mondo) ((pcmu_ib_ino_t)((mondo) & 0x3f)) 110*25cf1a30Sjl #define PCMU_IB_INO_INTR_ON(reg_p) *(reg_p) |= PCMU_INTR_MAP_REG_VALID 111*25cf1a30Sjl #define PCMU_IB_INO_INTR_OFF(reg_p) *(reg_p) &= ~PCMU_INTR_MAP_REG_VALID 112*25cf1a30Sjl #define PCMU_IB_INO_INTR_STATE_REG(pib_p, ino) \ 113*25cf1a30Sjl (pib_p->pib_obio_intr_state_diag_reg) 114*25cf1a30Sjl 115*25cf1a30Sjl #define PCMU_IB_INO_INTR_PENDING(reg_p, ino) \ 116*25cf1a30Sjl (((*(reg_p) >> (((ino) & 0x1f) << 1)) & \ 117*25cf1a30Sjl PCMU_CLEAR_INTR_REG_MASK) == PCMU_CLEAR_INTR_REG_PENDING) 118*25cf1a30Sjl 119*25cf1a30Sjl #define PCMU_IB_INO_INTR_CLEAR(reg_p) *(reg_p) = PCMU_CLEAR_INTR_REG_IDLE 120*25cf1a30Sjl #define PCMU_IB_INO_INTR_PEND(reg_p) *(reg_p) = PCMU_CLEAR_INTR_REG_PENDING 121*25cf1a30Sjl #define PCMU_IB_INO_INTR_ISON(imr) ((imr) >> 31) 122*25cf1a30Sjl 123*25cf1a30Sjl #define PCMU_IB_IMR2MONDO(imr) ((imr) & \ 124*25cf1a30Sjl (PCMU_INTR_MAP_REG_IGN | PCMU_INTR_MAP_REG_INO)) 125*25cf1a30Sjl 126*25cf1a30Sjl #define PCMU_IB_IS_OBIO_INO(ino) (ino & 0x20) 127*25cf1a30Sjl 128*25cf1a30Sjl #define PCMU_IB_IGN_TO_MONDO(ign, ino) (((ign) << PCMU_INO_BITS) | (ino)) 129*25cf1a30Sjl #define PCMU_IB_INO_TO_MONDO(pib_p, ino) \ 130*25cf1a30Sjl PCMU_IB_IGN_TO_MONDO((pib_p)->pib_ign, ino) 131*25cf1a30Sjl 132*25cf1a30Sjl 133*25cf1a30Sjl extern int pcmu_pil[]; 134*25cf1a30Sjl 135*25cf1a30Sjl /* 136*25cf1a30Sjl * Prototypes 137*25cf1a30Sjl */ 138*25cf1a30Sjl extern void pcmu_ib_create(pcmu_t *pcmu_p); 139*25cf1a30Sjl extern void pcmu_ib_destroy(pcmu_t *pcmu_p); 140*25cf1a30Sjl extern void pcmu_ib_configure(pcmu_ib_t *pib_p); 141*25cf1a30Sjl extern uint64_t ib_get_map_reg(pcmu_ib_mondo_t mondo, uint32_t cpu_id); 142*25cf1a30Sjl extern void pcmu_ib_intr_enable(pcmu_t *pcmu_p, pcmu_ib_ino_t ino); 143*25cf1a30Sjl extern void pcmu_ib_intr_disable(pcmu_ib_t *pib_p, pcmu_ib_ino_t ino, int wait); 144*25cf1a30Sjl extern void pcmu_ib_nintr_clear(pcmu_ib_t *pib_p, pcmu_ib_ino_t ino); 145*25cf1a30Sjl extern void pcmu_ib_suspend(pcmu_ib_t *pib_p); 146*25cf1a30Sjl extern void pcmu_ib_resume(pcmu_ib_t *pib_p); 147*25cf1a30Sjl extern pcmu_ib_ino_info_t *pcmu_ib_locate_ino(pcmu_ib_t *pib_p, 148*25cf1a30Sjl pcmu_ib_ino_t ino_num); 149*25cf1a30Sjl extern pcmu_ib_ino_info_t *pcmu_ib_new_ino(pcmu_ib_t *pib_p, 150*25cf1a30Sjl pcmu_ib_ino_t ino_num, ih_t *ih_p); 151*25cf1a30Sjl extern void pcmu_ib_delete_ino(pcmu_ib_t *pib_p, pcmu_ib_ino_info_t *ino_p); 152*25cf1a30Sjl extern void pcmu_ib_free_ino_all(pcmu_ib_t *pib_p); 153*25cf1a30Sjl extern int pcmu_ib_update_intr_state(pcmu_t *pcmu_p, dev_info_t *rdip, 154*25cf1a30Sjl ddi_intr_handle_impl_t *hdlp, uint_t new_intr_state); 155*25cf1a30Sjl extern void pcmu_ib_ino_add_intr(pcmu_t *pcmu_p, 156*25cf1a30Sjl pcmu_ib_ino_info_t *ino_p, ih_t *ih_p); 157*25cf1a30Sjl extern void pcmu_ib_ino_rem_intr(pcmu_t *pcmu_p, 158*25cf1a30Sjl pcmu_ib_ino_info_t *ino_p, ih_t *ih_p); 159*25cf1a30Sjl extern ih_t *pcmu_ib_ino_locate_intr(pcmu_ib_ino_info_t *ino_p, 160*25cf1a30Sjl dev_info_t *dip, uint32_t inum); 161*25cf1a30Sjl extern ih_t *pcmu_ib_alloc_ih(dev_info_t *dip, uint32_t inum, 162*25cf1a30Sjl uint_t (*int_handler)(caddr_t int_handler_arg1, caddr_t int_handler_arg2), 163*25cf1a30Sjl caddr_t int_handler_arg1, caddr_t int_handler_arg2); 164*25cf1a30Sjl extern void pcmu_ib_intr_dist_nintr(pcmu_ib_t *pib_p, pcmu_ib_ino_t ino, 165*25cf1a30Sjl volatile uint64_t *imr_p); 166*25cf1a30Sjl extern void pcmu_ib_intr_dist_all(void *arg, 167*25cf1a30Sjl int32_t max_weight, int32_t weight); 168*25cf1a30Sjl 169*25cf1a30Sjl #ifdef __cplusplus 170*25cf1a30Sjl } 171*25cf1a30Sjl #endif 172*25cf1a30Sjl 173*25cf1a30Sjl #endif /* _SYS_PCMU_IB_H */ 174