xref: /titanic_52/usr/src/uts/sun4/io/px/px_var.h (revision b7d62af5b42f0da2eb668e8d33d24d2f4fdd98a8)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef _SYS_PX_VAR_H
28 #define	_SYS_PX_VAR_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * offsets of PCI address spaces from base address:
38  */
39 #define	PX_CONFIG		0x001000000ull
40 #define	PX_A_IO			0x002000000ull
41 #define	PX_B_IO			0x002010000ull
42 #define	PX_A_MEMORY		0x100000000ull
43 #define	PX_B_MEMORY		0x180000000ull
44 #define	PX_IO_SIZE		0x000010000ull
45 #define	PX_MEM_SIZE		0x080000000ull
46 
47 /*
48  * The following typedef is used to represent a
49  * 1275 "bus-range" property of a PCI Bus node.
50  */
51 typedef struct px_bus_range {
52 	uint32_t lo;
53 	uint32_t hi;
54 } px_bus_range_t;
55 
56 /*
57  * The following typedef is used to represent an entry in the "ranges"
58  * property of a device node.
59  */
60 typedef struct px_ranges {
61 	uint32_t child_high;
62 	uint32_t child_mid;
63 	uint32_t child_low;
64 	uint32_t parent_high;
65 	uint32_t parent_low;
66 	uint32_t size_high;
67 	uint32_t size_low;
68 } px_ranges_t;
69 
70 /*
71  * The following typedef is used to represent a
72  * 1275 "reg" property of a PCI nexus.
73  */
74 typedef struct px_nexus_regspec {
75 	uint64_t phys_addr;
76 	uint64_t size;
77 } px_nexus_regspec_t;
78 
79 typedef enum { PX_NEW, PX_ATTACHED, PX_DETACHED, PX_SUSPENDED } px_state_t;
80 enum { PX_INTR_XBC, PX_INTR_PEC };
81 
82 #define	PX_ATTACH_RETCODE(obj, op, err) \
83 	((err) ? (obj) << 8 | (op) << 4 | (err) & 0xf : DDI_SUCCESS)
84 
85 /*
86  * px soft state structure:
87  *
88  * Each px node has a px soft state structure.
89  */
90 struct px {
91 	/*
92 	 * State flags and mutex:
93 	 */
94 	px_state_t px_state;
95 	uint_t px_soft_state;
96 	uint_t px_open_count;
97 	kmutex_t px_mutex;
98 
99 	/*
100 	 * Links to other state structures:
101 	 */
102 	dev_info_t *px_dip;		/* devinfo structure */
103 	devhandle_t px_dev_hdl;		/* device handle */
104 	px_cb_t *px_cb_p;		/* XBC block */
105 	px_ib_t *px_ib_p;			/* interrupt block */
106 	px_pec_t *px_pec_p;		/* PEC block */
107 	px_mmu_t *px_mmu_p;		/* IOMMU block */
108 
109 	/*
110 	 * px device node properties:
111 	 */
112 	px_bus_range_t px_bus_range;	/* "bus-range" */
113 	px_ranges_t *px_ranges_p;	/* "ranges" data & length */
114 	int px_ranges_length;
115 	devino_t *px_inos;		/* inos from "interrupts" prop */
116 	int px_inos_len;		/* "interrupts" length */
117 	int pci_numproxy;		/* upa interrupt proxies */
118 	int px_thermal_interrupt;	/* node has thermal interrupt */
119 
120 	/* Interrupt support */
121 	int intr_map_size;
122 	struct intr_map *intr_map;
123 	struct intr_map_mask *intr_map_mask;
124 
125 	/* Error handling */
126 	px_fault_t px_fault;
127 	px_fault_t px_cb_fault;
128 
129 	/* FMA */
130 	int px_fm_cap;
131 	ddi_iblock_cookie_t px_fm_ibc;
132 
133 	/* Platform specific information */
134 	void	*px_plat_p;
135 
136 	/* Power Management fields */
137 	kmutex_t	px_l23ready_lock; /* used in PME_To_ACK interrupt */
138 	kcondvar_t	px_l23ready_cv;	/* used in PME_TO_ACK timeout */
139 
140 	/* Fields below deal with link up interrupt */
141 	kmutex_t	px_lup_lock;
142 	kcondvar_t	px_lup_cv;	/* used in LUP event timeout */
143 	kmutex_t	px_lupsoft_lock;
144 	ddi_softintr_t	px_lupsoft_id;
145 	int		px_lupsoft_pending;
146 	int		px_pm_flags;
147 	msiqid_t	px_pm_msiq_id;	/* EQ id for PCIE_PME_ACK_MSG Message */
148 	uint32_t	px_pmetoack_ignored; /* count of PME_To_ACKs ignored */
149 	uint32_t	px_pme_ignored; /* count of PME ignored */
150 	uint32_t	px_lup_ignored; /* count of link up events ignored */
151 
152 };
153 
154 /* px soft state flag */
155 #define	PX_SOFT_STATE_OPEN		0x01
156 #define	PX_SOFT_STATE_OPEN_EXCL		0x02
157 #define	PX_SOFT_STATE_CLOSED		0x04
158 #define	PX_BYPASS_DMA_ALLOWED		0x10
159 
160 /* px_pm_flags definitions used with interrupts and FMA code */
161 #define	PX_PMETOACK_RECVD		0x01 /* With PME_To_ACK interrupt */
162 #define	PX_PME_TURNOFF_PENDING		0x02 /* With PME_To_ACK interrupt */
163 #define	PX_LINKUP_RECVD			0x04 /* With link up soft interrupt */
164 #define	PX_LINKUP_PENDING		0x08 /* With link up soft interrupt */
165 #define	PX_LUP_EXPECTED			0x10 /* With FMA code */
166 #define	PX_LDN_EXPECTED			0x20 /* With FMA code */
167 
168 #define	DIP_TO_INST(dip)	ddi_get_instance(dip)
169 #define	INST_TO_STATE(inst)	ddi_get_soft_state(px_state_p, inst)
170 #define	DIP_TO_STATE(dip)	INST_TO_STATE(DIP_TO_INST(dip))
171 
172 #define	DEV_TO_SOFTSTATE(dev)	((px_t *)ddi_get_soft_state( \
173 	px_state_p, PCIHP_AP_MINOR_NUM_TO_INSTANCE(getminor(dev))))
174 
175 extern void *px_state_p;
176 
177 /*
178  * function prototypes for bus ops routines:
179  */
180 extern int
181 px_map(dev_info_t *dip, dev_info_t *rdip, ddi_map_req_t *mp,
182 	off_t offset, off_t len, caddr_t *addrp);
183 extern int
184 px_dma_setup(dev_info_t *dip, dev_info_t *rdip,
185 	ddi_dma_req_t *dmareq, ddi_dma_handle_t *handlep);
186 extern int
187 px_dma_allochdl(dev_info_t *dip, dev_info_t *rdip, ddi_dma_attr_t *attrp,
188 	int (*waitfp)(caddr_t), caddr_t arg, ddi_dma_handle_t *handlep);
189 extern int
190 px_dma_bindhdl(dev_info_t *dip, dev_info_t *rdip,
191 	ddi_dma_handle_t handle, ddi_dma_req_t *dmareq,
192 	ddi_dma_cookie_t *cookiep, uint_t *ccountp);
193 extern int
194 px_dma_unbindhdl(dev_info_t *dip, dev_info_t *rdip,
195 	ddi_dma_handle_t handle);
196 extern int
197 px_dma_ctlops(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle,
198 	enum ddi_dma_ctlops cmd, off_t *offp, size_t *lenp, caddr_t *objp,
199 	uint_t cache_flags);
200 extern int
201 px_ctlops(dev_info_t *dip, dev_info_t *rdip,
202 	ddi_ctl_enum_t op, void *arg, void *result);
203 extern int
204 px_intr_ops(dev_info_t *dip, dev_info_t *rdip, ddi_intr_op_t intr_op,
205 	ddi_intr_handle_impl_t *handle, void *result);
206 
207 #ifdef	__cplusplus
208 }
209 #endif
210 
211 #endif	/* _SYS_PX_VAR_H */
212