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8cba80c3 FB |
1 | /* |
2 | * s390 PCI BUS definitions | |
3 | * | |
4 | * Copyright 2014 IBM Corp. | |
5 | * Author(s): Frank Blaschka <[email protected]> | |
6 | * Hong Bo Li <[email protected]> | |
7 | * Yi Min Zhao <[email protected]> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or (at | |
10 | * your option) any later version. See the COPYING file in the top-level | |
11 | * directory. | |
12 | */ | |
13 | ||
14 | #ifndef HW_S390_PCI_BUS_H | |
15 | #define HW_S390_PCI_BUS_H | |
16 | ||
17 | #include <hw/pci/pci.h> | |
18 | #include <hw/pci/pci_host.h> | |
19 | #include "hw/s390x/sclp.h" | |
20 | #include "hw/s390x/s390_flic.h" | |
21 | #include "hw/s390x/css.h" | |
22 | ||
23 | #define TYPE_S390_PCI_HOST_BRIDGE "s390-pcihost" | |
c188e303 YMZ |
24 | #define FH_MASK_ENABLE 0x80000000 |
25 | #define FH_MASK_INSTANCE 0x7f000000 | |
26 | #define FH_MASK_SHM 0x00ff0000 | |
27 | #define FH_MASK_INDEX 0x0000001f | |
28 | #define FH_SHM_VFIO 0x00010000 | |
29 | #define FH_SHM_EMUL 0x00020000 | |
8cba80c3 FB |
30 | #define S390_PCIPT_ADAPTER 2 |
31 | ||
32 | #define S390_PCI_HOST_BRIDGE(obj) \ | |
33 | OBJECT_CHECK(S390pciState, (obj), TYPE_S390_PCI_HOST_BRIDGE) | |
34 | ||
35 | #define HP_EVENT_TO_CONFIGURED 0x0301 | |
36 | #define HP_EVENT_RESERVED_TO_STANDBY 0x0302 | |
37 | #define HP_EVENT_CONFIGURED_TO_STBRES 0x0304 | |
38 | #define HP_EVENT_STANDBY_TO_RESERVED 0x0308 | |
39 | ||
40 | #define ERR_EVENT_INVALAS 0x1 | |
41 | #define ERR_EVENT_OORANGE 0x2 | |
42 | #define ERR_EVENT_INVALTF 0x3 | |
43 | #define ERR_EVENT_TPROTE 0x4 | |
44 | #define ERR_EVENT_APROTE 0x5 | |
45 | #define ERR_EVENT_KEYE 0x6 | |
46 | #define ERR_EVENT_INVALTE 0x7 | |
47 | #define ERR_EVENT_INVALTL 0x8 | |
48 | #define ERR_EVENT_TT 0x9 | |
49 | #define ERR_EVENT_INVALMS 0xa | |
50 | #define ERR_EVENT_SERR 0xb | |
51 | #define ERR_EVENT_NOMSI 0x10 | |
52 | #define ERR_EVENT_INVALBV 0x11 | |
53 | #define ERR_EVENT_AIBV 0x12 | |
54 | #define ERR_EVENT_AIRERR 0x13 | |
55 | #define ERR_EVENT_FMBA 0x2a | |
56 | #define ERR_EVENT_FMBUP 0x2b | |
57 | #define ERR_EVENT_FMBPRO 0x2c | |
58 | #define ERR_EVENT_CCONF 0x30 | |
59 | #define ERR_EVENT_SERVAC 0x3a | |
60 | #define ERR_EVENT_PERMERR 0x3b | |
61 | ||
62 | #define ERR_EVENT_Q_BIT 0x2 | |
63 | #define ERR_EVENT_MVN_OFFSET 16 | |
64 | ||
65 | #define ZPCI_MSI_VEC_BITS 11 | |
66 | #define ZPCI_MSI_VEC_MASK 0x7ff | |
67 | ||
68 | #define ZPCI_MSI_ADDR 0xfe00000000000000ULL | |
69 | #define ZPCI_SDMA_ADDR 0x100000000ULL | |
70 | #define ZPCI_EDMA_ADDR 0x1ffffffffffffffULL | |
71 | ||
72 | #define PAGE_SHIFT 12 | |
73 | #define PAGE_MASK (~(PAGE_SIZE-1)) | |
74 | #define PAGE_DEFAULT_ACC 0 | |
75 | #define PAGE_DEFAULT_KEY (PAGE_DEFAULT_ACC << 4) | |
76 | ||
77 | /* I/O Translation Anchor (IOTA) */ | |
78 | enum ZpciIoatDtype { | |
79 | ZPCI_IOTA_STO = 0, | |
80 | ZPCI_IOTA_RTTO = 1, | |
81 | ZPCI_IOTA_RSTO = 2, | |
82 | ZPCI_IOTA_RFTO = 3, | |
83 | ZPCI_IOTA_PFAA = 4, | |
84 | ZPCI_IOTA_IOPFAA = 5, | |
85 | ZPCI_IOTA_IOPTO = 7 | |
86 | }; | |
87 | ||
88 | #define ZPCI_IOTA_IOT_ENABLED 0x800ULL | |
89 | #define ZPCI_IOTA_DT_ST (ZPCI_IOTA_STO << 2) | |
90 | #define ZPCI_IOTA_DT_RT (ZPCI_IOTA_RTTO << 2) | |
91 | #define ZPCI_IOTA_DT_RS (ZPCI_IOTA_RSTO << 2) | |
92 | #define ZPCI_IOTA_DT_RF (ZPCI_IOTA_RFTO << 2) | |
93 | #define ZPCI_IOTA_DT_PF (ZPCI_IOTA_PFAA << 2) | |
94 | #define ZPCI_IOTA_FS_4K 0 | |
95 | #define ZPCI_IOTA_FS_1M 1 | |
96 | #define ZPCI_IOTA_FS_2G 2 | |
97 | #define ZPCI_KEY (PAGE_DEFAULT_KEY << 5) | |
98 | ||
99 | #define ZPCI_IOTA_STO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_ST) | |
100 | #define ZPCI_IOTA_RTTO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RT) | |
101 | #define ZPCI_IOTA_RSTO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RS) | |
102 | #define ZPCI_IOTA_RFTO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RF) | |
103 | #define ZPCI_IOTA_RFAA_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY |\ | |
104 | ZPCI_IOTA_DT_PF | ZPCI_IOTA_FS_2G) | |
105 | ||
106 | /* I/O Region and segment tables */ | |
107 | #define ZPCI_INDEX_MASK 0x7ffULL | |
108 | ||
109 | #define ZPCI_TABLE_TYPE_MASK 0xc | |
110 | #define ZPCI_TABLE_TYPE_RFX 0xc | |
111 | #define ZPCI_TABLE_TYPE_RSX 0x8 | |
112 | #define ZPCI_TABLE_TYPE_RTX 0x4 | |
113 | #define ZPCI_TABLE_TYPE_SX 0x0 | |
114 | ||
115 | #define ZPCI_TABLE_LEN_RFX 0x3 | |
116 | #define ZPCI_TABLE_LEN_RSX 0x3 | |
117 | #define ZPCI_TABLE_LEN_RTX 0x3 | |
118 | ||
119 | #define ZPCI_TABLE_OFFSET_MASK 0xc0 | |
120 | #define ZPCI_TABLE_SIZE 0x4000 | |
121 | #define ZPCI_TABLE_ALIGN ZPCI_TABLE_SIZE | |
122 | #define ZPCI_TABLE_ENTRY_SIZE (sizeof(unsigned long)) | |
123 | #define ZPCI_TABLE_ENTRIES (ZPCI_TABLE_SIZE / ZPCI_TABLE_ENTRY_SIZE) | |
124 | ||
125 | #define ZPCI_TABLE_BITS 11 | |
126 | #define ZPCI_PT_BITS 8 | |
127 | #define ZPCI_ST_SHIFT (ZPCI_PT_BITS + PAGE_SHIFT) | |
128 | #define ZPCI_RT_SHIFT (ZPCI_ST_SHIFT + ZPCI_TABLE_BITS) | |
129 | ||
130 | #define ZPCI_RTE_FLAG_MASK 0x3fffULL | |
131 | #define ZPCI_RTE_ADDR_MASK (~ZPCI_RTE_FLAG_MASK) | |
132 | #define ZPCI_STE_FLAG_MASK 0x7ffULL | |
133 | #define ZPCI_STE_ADDR_MASK (~ZPCI_STE_FLAG_MASK) | |
134 | ||
135 | /* I/O Page tables */ | |
136 | #define ZPCI_PTE_VALID_MASK 0x400 | |
137 | #define ZPCI_PTE_INVALID 0x400 | |
138 | #define ZPCI_PTE_VALID 0x000 | |
139 | #define ZPCI_PT_SIZE 0x800 | |
140 | #define ZPCI_PT_ALIGN ZPCI_PT_SIZE | |
141 | #define ZPCI_PT_ENTRIES (ZPCI_PT_SIZE / ZPCI_TABLE_ENTRY_SIZE) | |
142 | #define ZPCI_PT_MASK (ZPCI_PT_ENTRIES - 1) | |
143 | ||
144 | #define ZPCI_PTE_FLAG_MASK 0xfffULL | |
145 | #define ZPCI_PTE_ADDR_MASK (~ZPCI_PTE_FLAG_MASK) | |
146 | ||
147 | /* Shared bits */ | |
148 | #define ZPCI_TABLE_VALID 0x00 | |
149 | #define ZPCI_TABLE_INVALID 0x20 | |
150 | #define ZPCI_TABLE_PROTECTED 0x200 | |
151 | #define ZPCI_TABLE_UNPROTECTED 0x000 | |
152 | ||
153 | #define ZPCI_TABLE_VALID_MASK 0x20 | |
154 | #define ZPCI_TABLE_PROT_MASK 0x200 | |
155 | ||
5d1abf23 YMZ |
156 | /* PCI Function States |
157 | * | |
158 | * reserved: default; device has just been plugged or is in progress of being | |
159 | * unplugged | |
160 | * standby: device is present but not configured; transition from any | |
161 | * configured state/to this state via sclp configure/deconfigure | |
162 | * | |
163 | * The following states make up the "configured" meta-state: | |
164 | * disabled: device is configured but not enabled; transition between this | |
165 | * state and enabled via clp enable/disable | |
166 | * enbaled: device is ready for use; transition to disabled via clp disable; | |
167 | * may enter an error state | |
168 | * blocked: ignore all DMA and interrupts; transition back to enabled or from | |
169 | * error state via mpcifc | |
170 | * error: an error occured; transition back to enabled via mpcifc | |
171 | * permanent error: an unrecoverable error occured; transition to standby via | |
172 | * sclp deconfigure | |
173 | */ | |
174 | typedef enum { | |
175 | ZPCI_FS_RESERVED, | |
176 | ZPCI_FS_STANDBY, | |
177 | ZPCI_FS_DISABLED, | |
178 | ZPCI_FS_ENABLED, | |
179 | ZPCI_FS_BLOCKED, | |
180 | ZPCI_FS_ERROR, | |
181 | ZPCI_FS_PERMANENT_ERROR, | |
182 | } ZpciState; | |
183 | ||
8cba80c3 FB |
184 | typedef struct SeiContainer { |
185 | QTAILQ_ENTRY(SeiContainer) link; | |
186 | uint32_t fid; | |
187 | uint32_t fh; | |
188 | uint8_t cc; | |
189 | uint16_t pec; | |
190 | uint64_t faddr; | |
191 | uint32_t e; | |
192 | } SeiContainer; | |
193 | ||
194 | typedef struct PciCcdfErr { | |
195 | uint32_t reserved1; | |
196 | uint32_t fh; | |
197 | uint32_t fid; | |
198 | uint32_t e; | |
199 | uint64_t faddr; | |
200 | uint32_t reserved3; | |
201 | uint16_t reserved4; | |
202 | uint16_t pec; | |
203 | } QEMU_PACKED PciCcdfErr; | |
204 | ||
205 | typedef struct PciCcdfAvail { | |
206 | uint32_t reserved1; | |
207 | uint32_t fh; | |
208 | uint32_t fid; | |
209 | uint32_t reserved2; | |
210 | uint32_t reserved3; | |
211 | uint32_t reserved4; | |
212 | uint32_t reserved5; | |
213 | uint16_t reserved6; | |
214 | uint16_t pec; | |
215 | } QEMU_PACKED PciCcdfAvail; | |
216 | ||
217 | typedef struct ChscSeiNt2Res { | |
218 | uint16_t length; | |
219 | uint16_t code; | |
220 | uint16_t reserved1; | |
221 | uint8_t reserved2; | |
222 | uint8_t nt; | |
223 | uint8_t flags; | |
224 | uint8_t reserved3; | |
225 | uint8_t reserved4; | |
226 | uint8_t cc; | |
227 | uint32_t reserved5[13]; | |
228 | uint8_t ccdf[4016]; | |
229 | } QEMU_PACKED ChscSeiNt2Res; | |
230 | ||
231 | typedef struct PciCfgSccb { | |
c2691694 YMZ |
232 | SCCBHeader header; |
233 | uint8_t atype; | |
234 | uint8_t reserved1; | |
235 | uint16_t reserved2; | |
236 | uint32_t aid; | |
8cba80c3 FB |
237 | } QEMU_PACKED PciCfgSccb; |
238 | ||
239 | typedef struct S390MsixInfo { | |
240 | bool available; | |
241 | uint8_t table_bar; | |
242 | uint8_t pba_bar; | |
243 | uint16_t entries; | |
244 | uint32_t table_offset; | |
245 | uint32_t pba_offset; | |
246 | } S390MsixInfo; | |
247 | ||
248 | typedef struct S390PCIBusDevice { | |
249 | PCIDevice *pdev; | |
5d1abf23 | 250 | ZpciState state; |
df6a050c | 251 | bool iommu_enabled; |
8cba80c3 FB |
252 | uint32_t fh; |
253 | uint32_t fid; | |
254 | uint64_t g_iota; | |
255 | uint64_t pba; | |
256 | uint64_t pal; | |
257 | uint64_t fmb_addr; | |
258 | uint8_t isc; | |
259 | uint16_t noi; | |
260 | uint8_t sum; | |
261 | S390MsixInfo msix; | |
262 | AdapterRoutes routes; | |
263 | AddressSpace as; | |
264 | MemoryRegion mr; | |
f0a399db | 265 | MemoryRegion iommu_mr; |
8581c115 YMZ |
266 | IndAddr *summary_ind; |
267 | IndAddr *indicator; | |
8cba80c3 FB |
268 | } S390PCIBusDevice; |
269 | ||
270 | typedef struct S390pciState { | |
271 | PCIHostState parent_obj; | |
272 | S390PCIBusDevice pbdev[PCI_SLOT_MAX]; | |
273 | AddressSpace msix_notify_as; | |
274 | MemoryRegion msix_notify_mr; | |
275 | QTAILQ_HEAD(, SeiContainer) pending_sei; | |
276 | } S390pciState; | |
277 | ||
278 | int chsc_sei_nt2_get_event(void *res); | |
279 | int chsc_sei_nt2_have_event(void); | |
8f5cb693 YMZ |
280 | void s390_pci_sclp_configure(SCCB *sccb); |
281 | void s390_pci_sclp_deconfigure(SCCB *sccb); | |
71583888 YMZ |
282 | void s390_pci_iommu_enable(S390PCIBusDevice *pbdev); |
283 | void s390_pci_iommu_disable(S390PCIBusDevice *pbdev); | |
5d1abf23 YMZ |
284 | void s390_pci_generate_error_event(uint16_t pec, uint32_t fh, uint32_t fid, |
285 | uint64_t faddr, uint32_t e); | |
8cba80c3 FB |
286 | S390PCIBusDevice *s390_pci_find_dev_by_idx(uint32_t idx); |
287 | S390PCIBusDevice *s390_pci_find_dev_by_fh(uint32_t fh); | |
288 | S390PCIBusDevice *s390_pci_find_dev_by_fid(uint32_t fid); | |
289 | ||
290 | #endif |