xref: /titanic_44/usr/src/uts/sun4/io/px/px_lib.h (revision 7950274e5799b56695a76f974ac361411ec2e515)
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_LIB_H
28 #define	_SYS_PX_LIB_H
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * Include all data structures and definitions in this file that are
38  * required between the common and hardware specific code.
39  */
40 
41 #define	DIP_TO_HANDLE(dip)	((px_t *)DIP_TO_STATE(dip))->px_dev_hdl
42 
43 /*
44  * The following macros define	the mmu page size and related operations.
45  */
46 #define	MMU_PAGE_SHIFT		13
47 #define	MMU_PAGE_SIZE		(1 << MMU_PAGE_SHIFT)
48 #define	MMU_PAGE_MASK		~(MMU_PAGE_SIZE - 1)
49 #define	MMU_PAGE_OFFSET		(MMU_PAGE_SIZE - 1)
50 #define	MMU_PTOB(x)		(((uint64_t)(x)) << MMU_PAGE_SHIFT)
51 #define	MMU_BTOP(x)		((x) >> MMU_PAGE_SHIFT)
52 #define	MMU_BTOPR(x)		MMU_BTOP((x) + MMU_PAGE_OFFSET)
53 
54 /* MMU map flags */
55 #define	MMU_MAP_MP		0
56 #define	MMU_MAP_BUF		1
57 
58 typedef struct px px_t;
59 typedef struct px_msiq px_msiq_t;
60 
61 extern int px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl);
62 extern int px_lib_dev_fini(dev_info_t *dip);
63 extern int px_lib_map_vconfig(dev_info_t *dip, ddi_map_req_t *mp,
64     pci_config_offset_t off, pci_regspec_t *rp, caddr_t *addrp);
65 extern void px_lib_map_attr_check(ddi_map_req_t *mp);
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 io_attributes, void *addr, size_t pfn_index, int flag);
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 *attributes_p, r_addr_t *r_addr_p);
92 extern int px_lib_dma_bypass_rngchk(ddi_dma_attr_t *attrp, uint64_t *lo_p,
93     uint64_t *hi_p);
94 extern int px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra,
95     io_attributes_t io_attributes, 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  * CPR Suspend/Resume Functions:
154  */
155 extern int px_lib_suspend(dev_info_t *dip);
156 extern void px_lib_resume(dev_info_t *dip);
157 
158 /*
159  * PCI tool Functions:
160  */
161 extern int px_lib_tools_dev_reg_ops(dev_info_t *dip, void *arg,
162     int cmd, int mode);
163 extern int px_lib_tools_bus_reg_ops(dev_info_t *dip, void *arg, int cmd,
164     int mode);
165 extern int px_lib_tools_intr_admn(dev_info_t *dip, void *arg, int cmd,
166     int mode);
167 
168 /*
169  * PPM interface
170  */
171 extern int px_lib_pmctl(int cmd, px_t *px_p);
172 
173 /*
174  * Misc Functions:
175  */
176 extern uint64_t px_lib_get_cb(dev_info_t *dip);
177 extern void px_lib_set_cb(dev_info_t *dip, uint64_t val);
178 extern uint_t px_pmeq_intr(caddr_t arg);
179 
180 /*
181  * Peek and poke access ddi_ctlops helper functions
182  */
183 extern int px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip,
184     peekpoke_ctlops_t *in_args);
185 extern int px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip,
186     peekpoke_ctlops_t *in_args, void *result);
187 
188 /*
189  * Error handling functions
190  */
191 #define	PX_INTR_PAYLOAD_SIZE	8	/* 64 bit words */
192 typedef struct px_fault {
193 	dev_info_t	*px_fh_dip;
194 	sysino_t	px_fh_sysino;
195 	uint_t		(*px_err_func)(caddr_t px_fault);
196 	devino_t	px_intr_ino;
197 	uint64_t	px_intr_payload[PX_INTR_PAYLOAD_SIZE];
198 } px_fault_t;
199 
200 extern int px_err_add_intr(px_fault_t *px_fault_p);
201 extern void px_err_rem_intr(px_fault_t *px_fault_p);
202 extern uint32_t px_fab_get(px_t *px_p, pcie_req_id_t bdf,
203     uint16_t offset);
204 extern void px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset,
205     uint32_t val);
206 
207 /*
208  * CPR callback
209  */
210 extern void px_cpr_add_callb(px_t *);
211 extern void px_cpr_rem_callb(px_t *);
212 
213 #ifdef	__cplusplus
214 }
215 #endif
216 
217 #endif	/* _SYS_PX_LIB_H */
218