xref: /titanic_41/usr/src/uts/sun4/io/px/px_lib.h (revision 28cdc3d776761766afeb198769d1b70ed7e0f2e1)
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 2006 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_PX_LIB_H
27 #define	_SYS_PX_LIB_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * Include all data structures and definitions in this file that are
37  * required between the common and hardware specific code.
38  */
39 
40 #define	DIP_TO_HANDLE(dip)	((px_t *)DIP_TO_STATE(dip))->px_dev_hdl
41 
42 /*
43  * The following macros define	the mmu page size and related operations.
44  */
45 #define	MMU_PAGE_SHIFT		13
46 #define	MMU_PAGE_SIZE		(1 << MMU_PAGE_SHIFT)
47 #define	MMU_PAGE_MASK		~(MMU_PAGE_SIZE - 1)
48 #define	MMU_PAGE_OFFSET		(MMU_PAGE_SIZE - 1)
49 #define	MMU_PTOB(x)		(((uint64_t)(x)) << MMU_PAGE_SHIFT)
50 #define	MMU_BTOP(x)		((x) >> MMU_PAGE_SHIFT)
51 #define	MMU_BTOPR(x)		MMU_BTOP((x) + MMU_PAGE_OFFSET)
52 
53 /* MMU map flags */
54 #define	MMU_MAP_PFN		1
55 #define	MMU_MAP_BUF		2
56 
57 typedef struct px px_t;
58 typedef struct px_msiq px_msiq_t;
59 
60 extern int px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl);
61 extern int px_lib_dev_fini(dev_info_t *dip);
62 extern int px_lib_map_vconfig(dev_info_t *dip, ddi_map_req_t *mp,
63     pci_config_offset_t off, pci_regspec_t *rp, caddr_t *addrp);
64 extern void px_lib_map_attr_check(ddi_map_req_t *mp);
65 
66 extern int px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino,
67     sysino_t *sysino);
68 extern int px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino,
69     intr_valid_state_t *intr_valid_state);
70 extern int px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino,
71     intr_valid_state_t intr_valid_state);
72 extern int px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino,
73     intr_state_t *intr_state);
74 extern int px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino,
75     intr_state_t intr_state);
76 extern int px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino,
77     cpuid_t *cpuid);
78 extern int px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino,
79     cpuid_t cpuid);
80 extern int px_lib_intr_reset(dev_info_t *dip);
81 
82 #ifdef FMA
83 extern void px_fill_rc_status(px_fault_t *px_fault_p,
84     pciex_rc_error_regs_t *rc_status);
85 #endif
86 
87 extern int px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages,
88     io_attributes_t attr, void *addr, size_t pfn_index, int flags);
89 extern int px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages);
90 extern int px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid,
91     io_attributes_t *attr_p, r_addr_t *r_addr_p);
92 extern int px_lib_dma_bypass_rngchk(dev_info_t *dip, ddi_dma_attr_t *attr_p,
93     uint64_t *lo_p, uint64_t *hi_p);
94 extern int px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra,
95     io_attributes_t attr, io_addr_t *io_addr_p);
96 extern int px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip,
97     ddi_dma_handle_t handle, off_t off, size_t len, uint_t cache_flags);
98 
99 /*
100  * MSIQ Functions:
101  */
102 extern int px_lib_msiq_init(dev_info_t *dip);
103 extern int px_lib_msiq_fini(dev_info_t *dip);
104 extern int px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id,
105     r_addr_t *ra_p, uint_t *msiq_rec_cnt_p);
106 extern int px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
107     pci_msiq_valid_state_t *msiq_valid_state);
108 extern int px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
109     pci_msiq_valid_state_t msiq_valid_state);
110 extern int px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
111     pci_msiq_state_t *msiq_state);
112 extern int px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
113     pci_msiq_state_t msiq_state);
114 extern int px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
115     msiqhead_t *msiq_head);
116 extern int px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
117     msiqhead_t msiq_head);
118 extern int px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
119     msiqtail_t *msiq_tail);
120 extern void px_lib_get_msiq_rec(dev_info_t *dip, px_msiq_t *msiq_p,
121     msiq_rec_t *msiq_rec_p);
122 
123 /*
124  * MSI Functions:
125  */
126 extern int px_lib_msi_init(dev_info_t *dip);
127 extern int px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
128     msiqid_t *msiq_id);
129 extern int px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
130     msiqid_t msiq_id, msi_type_t msitype);
131 extern int px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
132     pci_msi_valid_state_t *msi_valid_state);
133 extern int px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
134     pci_msi_valid_state_t msi_valid_state);
135 extern int px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
136     pci_msi_state_t *msi_state);
137 extern int px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
138     pci_msi_state_t msi_state);
139 
140 /*
141  * MSG Functions:
142  */
143 extern int px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
144     msiqid_t *msiq_id);
145 extern int px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
146     msiqid_t msiq_id);
147 extern int px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
148     pcie_msg_valid_state_t *msg_valid_state);
149 extern int px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
150     pcie_msg_valid_state_t msg_valid_state);
151 
152 /*
153  * PM/CPR Functions:
154  */
155 extern int px_lib_suspend(dev_info_t *dip);
156 extern void px_lib_resume(dev_info_t *dip);
157 extern void px_cpr_add_callb(px_t *);
158 extern void px_cpr_rem_callb(px_t *);
159 extern int px_lib_pmctl(int cmd, px_t *px_p);
160 extern uint_t px_pmeq_intr(caddr_t arg);
161 
162 /*
163  * Common range property functions and definitions.
164  */
165 #define	PX_RANGE_PROP_MASK	0x7ff
166 extern uint64_t px_get_rng_parent_hi_mask(px_t *px_p);
167 
168 /*
169  * Peek and poke access ddi_ctlops helper functions
170  */
171 extern int px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
172     peekpoke_ctlops_t *in_args);
173 extern int px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
174     peekpoke_ctlops_t *in_args, void *result);
175 
176 /*
177  * Error handling functions
178  */
179 #define	PX_INTR_PAYLOAD_SIZE	8	/* 64 bit words */
180 typedef struct px_fault {
181 	dev_info_t	*px_fh_dip;
182 	sysino_t	px_fh_sysino;
183 	uint_t		(*px_err_func)(caddr_t px_fault);
184 	devino_t	px_intr_ino;
185 	uint64_t	px_intr_payload[PX_INTR_PAYLOAD_SIZE];
186 } px_fault_t;
187 
188 extern int px_err_add_intr(px_fault_t *px_fault_p);
189 extern void px_err_rem_intr(px_fault_t *px_fault_p);
190 extern int px_cb_add_intr(px_fault_t *);
191 extern void px_cb_rem_intr(px_fault_t *);
192 extern void px_cb_intr_redist(px_t *);
193 extern uint32_t px_fab_get(px_t *px_p, pcie_req_id_t bdf,
194     uint16_t offset);
195 extern void px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
196     uint32_t val);
197 
198 /*
199  * CPR callback
200  */
201 extern void px_cpr_add_callb(px_t *);
202 extern void px_cpr_rem_callb(px_t *);
203 
204 /*
205  * Hotplug functions
206  */
207 extern int px_lib_hotplug_init(dev_info_t *dip, void *regops);
208 extern void px_lib_hotplug_uninit(dev_info_t *dip);
209 
210 #ifdef	__cplusplus
211 }
212 #endif
213 
214 #endif	/* _SYS_PX_LIB_H */
215