xref: /titanic_41/usr/src/uts/sun4v/io/px/px_lib4v.h (revision 54925bf60766fbb4f1f2d7c843721406a7b7a3fb)
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 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * Fasttrap numbers for VPCI hypervisor functions.
37  */
38 
39 #define	HVIO_IOMMU_MAP		0xb0
40 #define	HVIO_IOMMU_DEMAP	0xb1
41 #define	HVIO_IOMMU_GETMAP	0xb2
42 #define	HVIO_IOMMU_GETBYPASS	0xb3
43 
44 #define	HVIO_CONFIG_GET		0xb4
45 #define	HVIO_CONFIG_PUT		0xb5
46 
47 #define	HVIO_PEEK		0xb6
48 #define	HVIO_POKE		0xb7
49 
50 #define	HVIO_DMA_SYNC		0xb8
51 
52 #define	HVIO_MSIQ_CONF		0xc0
53 #define	HVIO_MSIQ_INFO		0xc1
54 #define	HVIO_MSIQ_GETVALID	0xc2
55 #define	HVIO_MSIQ_SETVALID	0xc3
56 #define	HVIO_MSIQ_GETSTATE	0xc4
57 #define	HVIO_MSIQ_SETSTATE	0xc5
58 #define	HVIO_MSIQ_GETHEAD	0xc6
59 #define	HVIO_MSIQ_SETHEAD	0xc7
60 #define	HVIO_MSIQ_GETTAIL	0xc8
61 
62 #define	HVIO_MSI_GETVALID	0xc9
63 #define	HVIO_MSI_SETVALID	0xca
64 #define	HVIO_MSI_GETMSIQ	0xcb
65 #define	HVIO_MSI_SETMSIQ	0xcc
66 #define	HVIO_MSI_GETSTATE	0xcd
67 #define	HVIO_MSI_SETSTATE	0xce
68 
69 #define	HVIO_MSG_GETMSIQ	0xd0
70 #define	HVIO_MSG_SETMSIQ	0xd1
71 #define	HVIO_MSG_GETVALID	0xd2
72 #define	HVIO_MSG_SETVALID	0xd3
73 
74 #ifndef _ASM
75 
76 /*
77  * The device handle uniquely identifies a SUN4V device.
78  * It consists of the lower 28-bits of the hi-cell of the
79  * first entry of the SUN4V device's "reg" property as
80  * defined by the SUN4V Bus Binding to Open Firmware.
81  */
82 #define	DEVHDLE_MASK	0xFFFFFFF
83 
84 /* PX BDF Shift in a Phyiscal Address - used FMA Fabric only */
85 #define	PX_RA_BDF_SHIFT			8
86 
87 #define	PX_ADDR2PFN(addr, index, flags, i) \
88 	((flags & MMU_MAP_PFN) ? \
89 	PX_GET_MP_PFN((ddi_dma_impl_t *)(addr), (index + i)) : \
90 	hat_getpfnum(kas.a_hat, ((caddr_t)addr + (MMU_PAGE_SIZE * i))))
91 
92 /*
93  * VPCI API versioning.
94  *
95  * Currently PX nexus driver supports VPCI API version 1.1
96  */
97 #define	PX_VPCI_MAJOR_VER_1	0x1ull
98 #define	PX_VPCI_MAJOR_VER	PX_VPCI_MAJOR_VER_1
99 
100 #define	PX_VPCI_MINOR_VER_0	0x0ull
101 #define	PX_VPCI_MINOR_VER_1	0x1ull
102 #define	PX_VPCI_MINOR_VER	PX_VPCI_MINOR_VER_1
103 
104 extern uint64_t hvio_config_get(devhandle_t dev_hdl, pci_device_t bdf,
105     pci_config_offset_t off, pci_config_size_t size, pci_cfg_data_t *data_p);
106 extern uint64_t hvio_config_put(devhandle_t dev_hdl, pci_device_t bdf,
107     pci_config_offset_t off, pci_config_size_t size, pci_cfg_data_t data);
108 
109 extern uint64_t hvio_iommu_map(devhandle_t dev_hdl, tsbid_t tsbid,
110     pages_t pages, io_attributes_t attr, io_page_list_t *io_page_list_p,
111     pages_t *pages_mapped);
112 extern uint64_t hvio_iommu_demap(devhandle_t dev_hdl, tsbid_t tsbid,
113     pages_t pages, pages_t *pages_demapped);
114 extern uint64_t hvio_iommu_getmap(devhandle_t dev_hdl, tsbid_t tsbid,
115     io_attributes_t *attr_p, r_addr_t *r_addr_p);
116 extern uint64_t hvio_iommu_getbypass(devhandle_t dev_hdl, r_addr_t ra,
117     io_attributes_t attr, io_addr_t *io_addr_p);
118 extern uint64_t hvio_dma_sync(devhandle_t dev_hdl, r_addr_t ra,
119     size_t num_bytes, io_sync_direction_t io_sync_direction,
120     size_t *bytes_synched);
121 
122 /*
123  * MSIQ Functions:
124  */
125 extern uint64_t hvio_msiq_conf(devhandle_t dev_hdl, msiqid_t msiq_id,
126     r_addr_t ra, uint_t msiq_rec_cnt);
127 extern uint64_t hvio_msiq_info(devhandle_t dev_hdl, msiqid_t msiq_id,
128     r_addr_t *ra_p, uint_t *msiq_rec_cnt_p);
129 extern uint64_t hvio_msiq_getvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
130     pci_msiq_valid_state_t *msiq_valid_state);
131 extern uint64_t hvio_msiq_setvalid(devhandle_t dev_hdl, msiqid_t msiq_id,
132     pci_msiq_valid_state_t msiq_valid_state);
133 extern uint64_t hvio_msiq_getstate(devhandle_t dev_hdl, msiqid_t msiq_id,
134     pci_msiq_state_t *msiq_state);
135 extern uint64_t hvio_msiq_setstate(devhandle_t dev_hdl, msiqid_t msiq_id,
136     pci_msiq_state_t msiq_state);
137 extern uint64_t hvio_msiq_gethead(devhandle_t dev_hdl, msiqid_t msiq_id,
138     msiqhead_t *msiq_head);
139 extern uint64_t hvio_msiq_sethead(devhandle_t dev_hdl, msiqid_t msiq_id,
140     msiqhead_t msiq_head);
141 extern uint64_t hvio_msiq_gettail(devhandle_t dev_hdl, msiqid_t msiq_id,
142     msiqtail_t *msiq_tail);
143 
144 /*
145  * MSI Functions:
146  */
147 extern uint64_t hvio_msi_getmsiq(devhandle_t dev_hdl, msinum_t msi_num,
148     msiqid_t *msiq_id);
149 extern uint64_t hvio_msi_setmsiq(devhandle_t dev_hdl, msinum_t msi_num,
150     msiqid_t msiq_id, msi_type_t msitype);
151 extern uint64_t hvio_msi_getvalid(devhandle_t dev_hdl, msinum_t msi_num,
152     pci_msi_valid_state_t *msi_valid_state);
153 extern uint64_t hvio_msi_setvalid(devhandle_t dev_hdl, msinum_t msi_num,
154     pci_msi_valid_state_t msi_valid_state);
155 extern uint64_t hvio_msi_getstate(devhandle_t dev_hdl, msinum_t msi_num,
156     pci_msi_state_t *msi_state);
157 extern uint64_t hvio_msi_setstate(devhandle_t dev_hdl, msinum_t msi_num,
158     pci_msi_state_t msi_state);
159 
160 /*
161  * MSG Functions:
162  */
163 extern uint64_t hvio_msg_getmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
164     msiqid_t *msiq_id);
165 extern uint64_t hvio_msg_setmsiq(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
166     msiqid_t msiq_id);
167 extern uint64_t hvio_msg_getvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
168     pcie_msg_valid_state_t *msg_valid_state);
169 extern uint64_t hvio_msg_setvalid(devhandle_t dev_hdl, pcie_msg_type_t msg_type,
170     pcie_msg_valid_state_t msg_valid_state);
171 
172 typedef struct px_config_acc_pvt {
173 	dev_info_t *dip;
174 	uint32_t raddr;
175 	uint32_t vaddr;
176 } px_config_acc_pvt_t;
177 
178 /*
179  * Peek/poke functionality:
180  */
181 
182 extern uint64_t hvio_peek(devhandle_t dev_hdl, r_addr_t ra, size_t size,
183     uint32_t *status, uint64_t *data_p);
184 extern uint64_t hvio_poke(devhandle_t dev_hdl, r_addr_t ra, size_t size,
185     uint64_t data, pci_device_t bdf, uint32_t *wrt_stat);
186 
187 /*
188  * Priviledged physical access:
189  */
190 extern uint64_t hv_ra2pa(uint64_t ra);
191 extern uint64_t hv_hpriv(void *func, uint64_t arg1, uint64_t arg2,
192     uint64_t arg3);
193 extern int px_phys_acc_4v(uint64_t dummy, uint64_t from_addr, uint64_t to_addr);
194 
195 #endif /* _ASM */
196 
197 #ifdef	__cplusplus
198 }
199 #endif
200 
201 #endif	/* _SYS_PX_LIB4V_H */
202