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 2008 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _SYS_PX_FM_H 27 #define _SYS_PX_FM_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #define PX_ERR_PIL 14 36 #define PX_ERR_LOW_PIL 9 37 38 /* 39 * Error handlers maybe called due to trap or interrupts 40 * occured. 41 */ 42 #define PX_TRAP_CALL 0 43 #define PX_INTR_CALL 1 44 #define PX_LIB_CALL 2 45 46 /* 47 * Definition of Fire internal error severity - 48 * HW Reset Errors that cause hardware to automatically reset. Software is 49 * being reset along, sticky status bits need to be cleaned up upon 50 * system initialization. 51 * Panic Errors that definitely result in panic'ing the system. 52 * Expected Expected error, do not panic, plus do not send ereport. 53 * Protected Errors SW to determine panic or not, forgivable for safe access. 54 * Set when SW determines this error is forgivable during safe acc. 55 * No-panic Errors that don't directly result in panic'ing the system. 56 * No-Error When an interrupt occured and no errors were seen 57 */ 58 #define PX_HW_RESET (0x1 << 5) 59 #define PX_PANIC (0x1 << 4) 60 #define PX_EXPECTED (0x1 << 3) 61 #define PX_PROTECTED (0x1 << 2) 62 #define PX_NO_PANIC (0x1 << 1) 63 #define PX_NO_ERROR (0x1 << 0) 64 65 #define PX_HB (0x1 << 2) 66 #define PX_RP (0x1 << 1) 67 #define PX_RC (0x1 << 0) 68 69 /* 70 * Generic PCIe Root Port Error Handling 71 * This struct must align with px_pec_err_t in sun4v/io/px/px_err.h 72 */ 73 typedef struct px_err_pcie { 74 uint32_t tx_hdr1; /* sysino */ 75 uint32_t tx_hdr2; /* sysino */ 76 uint32_t tx_hdr3; /* ehdl */ 77 uint32_t tx_hdr4; /* ehdl */ 78 uint32_t primary_ue; /* stick */ 79 uint32_t rsvd0; /* stick */ 80 uint32_t rsvd1; /* pec_desc */ 81 uint16_t pci_err_status; 82 uint16_t pcie_err_status; 83 uint32_t ce_reg; 84 uint32_t ue_reg; 85 uint32_t rx_hdr1; /* hdr[0] */ 86 uint32_t rx_hdr2; /* hdr[0] */ 87 uint32_t rx_hdr3; /* hdr[1] */ 88 uint32_t rx_hdr4; /* hdr[1] */ 89 uint32_t rsvd3; /* err_src_reg */ 90 uint32_t rsvd4; /* root err status */ 91 } px_err_pcie_t; 92 93 #define PX_FM_BLOCK_HOST (0x1 << 0) 94 #define PX_FM_BLOCK_PCIE (0x1 << 1) 95 #define PX_FM_BLOCK_ALL (PX_FM_BLOCK_HOST | PX_FM_BLOCK_PCIE) 96 97 /* 98 * Error handling FMA hook 99 */ 100 extern void px_bus_enter(dev_info_t *dip, ddi_acc_handle_t handle); 101 extern void px_bus_exit(dev_info_t *dip, ddi_acc_handle_t handle); 102 extern int px_fm_attach(px_t *px_p); 103 extern void px_fm_detach(px_t *px_p); 104 extern int px_fm_init_child(dev_info_t *, dev_info_t *, int, 105 ddi_iblock_cookie_t *); 106 extern void px_fm_acc_setup(ddi_map_req_t *, dev_info_t *, pci_regspec_t *rp); 107 extern int px_fm_callback(dev_info_t *, ddi_fm_error_t *, const void *); 108 extern int px_err_cmn_intr(px_t *, ddi_fm_error_t *, int, int); 109 110 /* 111 * Fire interrupt handlers 112 */ 113 extern uint_t px_err_cb_intr(caddr_t arg); 114 extern uint_t px_err_dmc_pec_intr(caddr_t arg); 115 extern uint_t px_err_fabric_intr(px_t *px_p, msgcode_t msg_code, 116 pcie_req_id_t rid); 117 118 /* 119 * Common error handling functions 120 */ 121 extern int px_scan_fabric(px_t *px_p, dev_info_t *rdip, ddi_fm_error_t *derr); 122 extern void px_err_safeacc_check(px_t *px_p, ddi_fm_error_t *derr); 123 extern int px_err_check_eq(dev_info_t *dip); 124 extern int px_err_check_pcie(dev_info_t *dip, ddi_fm_error_t *derr, 125 px_err_pcie_t *regs); 126 extern int px_fm_enter(px_t *px_p); 127 extern void px_fm_exit(px_t *px_p); 128 extern void px_err_panic(int err, int msg, int fab_err, boolean_t isTest); 129 extern void px_rp_en_q(px_t *px_p, pcie_req_id_t fault_bdf, 130 uint32_t fault_addr, uint16_t s_status); 131 132 /* 133 * Sparc specific cfg, pio and dma handle lookup/check functions 134 */ 135 extern int px_err_cfg_hdl_check(dev_info_t *dip, const void *handle, 136 const void *addr, const void *not_used); 137 extern int px_err_pio_hdl_check(dev_info_t *dip, const void *handle, 138 const void *addr, const void *not_used); 139 extern int px_err_dma_hdl_check(dev_info_t *dip, const void *handle, 140 const void *addr, const void *not_used); 141 142 #ifdef __cplusplus 143 } 144 #endif 145 146 #endif /* _SYS_PX_FM_H */ 147