xref: /titanic_51/usr/src/uts/sun4/io/px/px_lib.h (revision 7962806f7d687e6068b5eaf4397dfb03a8d7383b)
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_LIB_H
27 #define	_SYS_PX_LIB_H
28 
29 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 /*
34  * Include all data structures and definitions in this file that are
35  * required between the common and hardware specific code.
36  */
37 
38 #define	DIP_TO_HANDLE(dip)	((px_t *)DIP_TO_STATE(dip))->px_dev_hdl
39 
40 /*
41  * The following macros define	the mmu page size and related operations.
42  */
43 #define	MMU_PAGE_SHIFT		13
44 #define	MMU_PAGE_SIZE		(1 << MMU_PAGE_SHIFT)
45 #define	MMU_PAGE_MASK		~(MMU_PAGE_SIZE - 1)
46 #define	MMU_PAGE_OFFSET		(MMU_PAGE_SIZE - 1)
47 #define	MMU_PTOB(x)		(((uint64_t)(x)) << MMU_PAGE_SHIFT)
48 #define	MMU_BTOP(x)		((x) >> MMU_PAGE_SHIFT)
49 #define	MMU_BTOPR(x)		MMU_BTOP((x) + MMU_PAGE_OFFSET)
50 
51 /* MMU map flags */
52 #define	MMU_MAP_PFN		1
53 #define	MMU_MAP_BUF		2
54 
55 typedef struct px px_t;
56 typedef struct px_msiq px_msiq_t;
57 
58 extern int px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl);
59 extern int px_lib_dev_fini(dev_info_t *dip);
60 extern int px_lib_map_vconfig(dev_info_t *dip, ddi_map_req_t *mp,
61     pci_config_offset_t off, pci_regspec_t *rp, caddr_t *addrp);
62 extern void px_lib_map_attr_check(ddi_map_req_t *mp);
63 
64 extern int px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino,
65     sysino_t *sysino);
66 extern int px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino,
67     intr_valid_state_t *intr_valid_state);
68 extern int px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino,
69     intr_valid_state_t intr_valid_state);
70 extern int px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino,
71     intr_state_t *intr_state);
72 extern int px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino,
73     intr_state_t intr_state);
74 extern int px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino,
75     cpuid_t *cpuid);
76 extern int px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino,
77     cpuid_t cpuid);
78 extern int px_lib_intr_reset(dev_info_t *dip);
79 
80 #ifdef FMA
81 extern void px_fill_rc_status(px_fault_t *px_fault_p,
82     pciex_rc_error_regs_t *rc_status);
83 #endif
84 
85 extern int px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages,
86     io_attributes_t attr, void *addr, size_t pfn_index, int flags);
87 extern int px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages);
88 extern int px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid,
89     io_attributes_t *attr_p, r_addr_t *r_addr_p);
90 extern int px_lib_dma_bypass_rngchk(dev_info_t *dip, ddi_dma_attr_t *attr_p,
91     uint64_t *lo_p, uint64_t *hi_p);
92 extern int px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra,
93     io_attributes_t attr, io_addr_t *io_addr_p);
94 extern int px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip,
95     ddi_dma_handle_t handle, off_t off, size_t len, uint_t cache_flags);
96 
97 /*
98  * MSIQ Functions:
99  */
100 extern int px_lib_msiq_init(dev_info_t *dip);
101 extern int px_lib_msiq_fini(dev_info_t *dip);
102 extern int px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id,
103     r_addr_t *ra_p, uint_t *msiq_rec_cnt_p);
104 extern int px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id,
105     pci_msiq_valid_state_t *msiq_valid_state);
106 extern int px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id,
107     pci_msiq_valid_state_t msiq_valid_state);
108 extern int px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id,
109     pci_msiq_state_t *msiq_state);
110 extern int px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id,
111     pci_msiq_state_t msiq_state);
112 extern int px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id,
113     msiqhead_t *msiq_head);
114 extern int px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id,
115     msiqhead_t msiq_head);
116 extern int px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id,
117     msiqtail_t *msiq_tail);
118 extern void px_lib_get_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p,
119     msiq_rec_t *msiq_rec_p);
120 extern void px_lib_clr_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p);
121 
122 /*
123  * MSI Functions:
124  */
125 extern int px_lib_msi_init(dev_info_t *dip);
126 extern int px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num,
127     msiqid_t *msiq_id);
128 extern int px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num,
129     msiqid_t msiq_id, msi_type_t msitype);
130 extern int px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num,
131     pci_msi_valid_state_t *msi_valid_state);
132 extern int px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num,
133     pci_msi_valid_state_t msi_valid_state);
134 extern int px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num,
135     pci_msi_state_t *msi_state);
136 extern int px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num,
137     pci_msi_state_t msi_state);
138 
139 /*
140  * MSG Functions:
141  */
142 extern int px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
143     msiqid_t *msiq_id);
144 extern int px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type,
145     msiqid_t msiq_id);
146 extern int px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
147     pcie_msg_valid_state_t *msg_valid_state);
148 extern int px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type,
149     pcie_msg_valid_state_t msg_valid_state);
150 
151 /*
152  * PM/CPR Functions:
153  */
154 extern int px_lib_suspend(dev_info_t *dip);
155 extern void px_lib_resume(dev_info_t *dip);
156 extern void px_cpr_add_callb(px_t *);
157 extern void px_cpr_rem_callb(px_t *);
158 extern int px_lib_pmctl(int cmd, px_t *px_p);
159 extern uint_t px_pmeq_intr(caddr_t arg);
160 
161 /*
162  * Common range property functions and definitions.
163  */
164 #define	PX_RANGE_PROP_MASK	0x7ff
165 extern uint64_t px_get_rng_parent_hi_mask(px_t *px_p);
166 
167 /*
168  * Peek and poke access ddi_ctlops helper functions
169  */
170 extern int px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
171     peekpoke_ctlops_t *in_args);
172 extern int px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
173     peekpoke_ctlops_t *in_args, void *result);
174 
175 /*
176  * Error handling functions
177  */
178 #define	PX_INTR_PAYLOAD_SIZE	8	/* 64 bit words */
179 typedef struct px_fault {
180 	dev_info_t	*px_fh_dip;
181 	sysino_t	px_fh_sysino;
182 	uint_t		(*px_err_func)(caddr_t px_fault);
183 	devino_t	px_intr_ino;
184 	uint64_t	px_intr_payload[PX_INTR_PAYLOAD_SIZE];
185 } px_fault_t;
186 
187 extern int px_err_add_intr(px_fault_t *px_fault_p);
188 extern void px_err_rem_intr(px_fault_t *px_fault_p);
189 extern int px_cb_add_intr(px_fault_t *);
190 extern void px_cb_rem_intr(px_fault_t *);
191 extern uint32_t px_fab_get(px_t *px_p, pcie_req_id_t bdf,
192     uint16_t offset);
193 extern void px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
194     uint32_t val);
195 
196 /*
197  * CPR callback
198  */
199 extern void px_cpr_add_callb(px_t *);
200 extern void px_cpr_rem_callb(px_t *);
201 
202 /*
203  * Hotplug functions
204  */
205 extern int px_lib_hotplug_init(dev_info_t *dip, void *regops);
206 extern void px_lib_hotplug_uninit(dev_info_t *dip);
207 extern void px_hp_intr_redist(px_t *px_p);
208 
209 extern boolean_t px_lib_is_in_drain_state(px_t *px_p);
210 extern pcie_req_id_t px_lib_get_bdf(px_t *px_p);
211 
212 extern int px_lib_get_root_complex_mps(px_t *px_p, dev_info_t *dip, int *mps);
213 extern int px_lib_set_root_complex_mps(px_t *px_p,  dev_info_t *dip, int mps);
214 
215 #ifdef	__cplusplus
216 }
217 #endif
218 
219 #endif	/* _SYS_PX_LIB_H */
220