xref: /illumos-gate/usr/src/uts/sun4v/io/px/px_lib4v.h (revision d6bb6a8465e557cb946ef49d56ed3202f6218652)
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_LIB4V_H
27 #define	_SYS_PX_LIB4V_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 /*
32  * SUN4V IO API - Version 1.11
33  */
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 /*
40  * The device handle uniquely identifies a SUN4V device.
41  * It consists of the lower 28-bits of the hi-cell of the
42  * first entry of the SUN4V device's "reg" property as
43  * defined by the SUN4V Bus Binding to Open Firmware.
44  */
45 #define	DEVHDLE_MASK	0xFFFFFFF
46 
47 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
48 #define	PX_RA_BDF_SHIFT			8
49 
50 #define	PX_ADDR2PFN(addr, index, flags, i) \
51 	((flags & MMU_MAP_PFN) ? \
52 	PX_GET_MP_PFN((ddi_dma_impl_t *)(addr), (index + i)) : \
53 	hat_getpfnum(kas.a_hat, ((caddr_t)addr + (MMU_PAGE_SIZE * i))))
54 
55 /*
56  * VPCI API versioning.
57  *
58  * Currently PX nexus driver supports VPCI API version 1.0.
59  */
60 #define	PX_VPCI_MAJOR_VER_1	0x1ull
61 #define	PX_VPCI_MAJOR_VER	PX_VPCI_MAJOR_VER_1
62 
63 #define	PX_VPCI_MINOR_VER_0	0x0ull
64 #define	PX_VPCI_MINOR_VER	PX_VPCI_MINOR_VER_0
65 
66 extern uint64_t hvio_config_get(devhandle_t dev_hdl, pci_device_t bdf,
67     pci_config_offset_t off, pci_config_size_t size, pci_cfg_data_t *data_p);
68 extern uint64_t hvio_config_put(devhandle_t dev_hdl, pci_device_t bdf,
69     pci_config_offset_t off, pci_config_size_t size, pci_cfg_data_t data);
70 
71 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, tsbid_t tsbid,
72     pages_t pages, io_attributes_t attr, io_page_list_t *io_page_list_p,
73     pages_t *pages_mapped);
74 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, tsbid_t tsbid,
75     pages_t pages, pages_t *pages_demapped);
76 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, tsbid_t tsbid,
77     io_attributes_t *attr_p, r_addr_t *r_addr_p);
78 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra,
79     io_attributes_t attr, io_addr_t *io_addr_p);
80 extern uint64_t hvio_dma_sync(devhandle_t dev_hdl, r_addr_t ra,
81     size_t num_bytes, io_sync_direction_t io_sync_direction,
82     size_t *bytes_synched);
83 
84 /*
85  * MSIQ Functions:
86  */
87 extern uint64_t hvio_msiq_conf(devhandle_t dev_hdl, msiqid_t msiq_id,
88     r_addr_t ra, uint_t msiq_rec_cnt);
89 extern uint64_t hvio_msiq_info(devhandle_t dev_hdl, msiqid_t msiq_id,
90     r_addr_t *ra_p, uint_t *msiq_rec_cnt_p);
91 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
92     pci_msiq_valid_state_t *msiq_valid_state);
93 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
94     pci_msiq_valid_state_t msiq_valid_state);
95 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
96     pci_msiq_state_t *msiq_state);
97 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
98     pci_msiq_state_t msiq_state);
99 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
100     msiqhead_t *msiq_head);
101 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
102     msiqhead_t msiq_head);
103 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
104     msiqtail_t *msiq_tail);
105 
106 /*
107  * MSI Functions:
108  */
109 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
110     msiqid_t *msiq_id);
111 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
112     msiqid_t msiq_id, msi_type_t msitype);
113 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
114     pci_msi_valid_state_t *msi_valid_state);
115 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
116     pci_msi_valid_state_t msi_valid_state);
117 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
118     pci_msi_state_t *msi_state);
119 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
120     pci_msi_state_t msi_state);
121 
122 /*
123  * MSG Functions:
124  */
125 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
126     msiqid_t *msiq_id);
127 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
128     msiqid_t msiq_id);
129 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
130     pcie_msg_valid_state_t *msg_valid_state);
131 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
132     pcie_msg_valid_state_t msg_valid_state);
133 
134 typedef struct px_config_acc_pvt {
135 	dev_info_t *dip;
136 	uint32_t raddr;
137 	uint32_t vaddr;
138 } px_config_acc_pvt_t;
139 
140 /*
141  * Peek/poke functionality:
142  */
143 
144 extern uint64_t hvio_peek(devhandle_t dev_hdl, r_addr_t ra, size_t size,
145     uint32_t *status, uint64_t *data_p);
146 extern uint64_t hvio_poke(devhandle_t dev_hdl, r_addr_t ra, size_t size,
147     uint64_t data, pci_device_t bdf, uint32_t *wrt_stat);
148 
149 /*
150  * Priviledged physical access:
151  */
152 extern uint64_t hv_ra2pa(uint64_t ra);
153 extern uint64_t hv_hpriv(void *func, uint64_t arg1, uint64_t arg2,
154     uint64_t arg3);
155 extern int px_phys_acc_4v(uint64_t dummy, uint64_t from_addr, uint64_t to_addr);
156 
157 #ifdef	__cplusplus
158 }
159 #endif
160 
161 #endif	/* _SYS_PX_LIB4V_H */
162