2 * s390 PCI BUS definitions
4 * Copyright 2014 IBM Corp.
5 * Author(s): Frank Blaschka <frank.blaschka@de.ibm.com>
6 * Hong Bo Li <lihbbj@cn.ibm.com>
7 * Yi Min Zhao <zyimin@cn.ibm.com>
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
14 #ifndef HW_S390_PCI_BUS_H
15 #define HW_S390_PCI_BUS_H
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"
23 #define TYPE_S390_PCI_HOST_BRIDGE "s390-pcihost"
24 #define TYPE_S390_PCI_BUS "s390-pcibus"
25 #define TYPE_S390_PCI_DEVICE "zpci"
26 #define FH_MASK_ENABLE 0x80000000
27 #define FH_MASK_INSTANCE 0x7f000000
28 #define FH_MASK_SHM 0x00ff0000
29 #define FH_MASK_INDEX 0x0000001f
30 #define FH_SHM_VFIO 0x00010000
31 #define FH_SHM_EMUL 0x00020000
32 #define S390_PCIPT_ADAPTER 2
33 #define ZPCI_MAX_FID 0xffffffff
34 #define ZPCI_MAX_UID 0xffff
35 #define UID_UNDEFINED 0
37 #define S390_PCI_HOST_BRIDGE(obj) \
38 OBJECT_CHECK(S390pciState, (obj), TYPE_S390_PCI_HOST_BRIDGE)
39 #define S390_PCI_BUS(obj) \
40 OBJECT_CHECK(S390PCIBus, (obj), TYPE_S390_PCI_BUS)
41 #define S390_PCI_DEVICE(obj) \
42 OBJECT_CHECK(S390PCIBusDevice, (obj), TYPE_S390_PCI_DEVICE)
44 #define HP_EVENT_TO_CONFIGURED 0x0301
45 #define HP_EVENT_RESERVED_TO_STANDBY 0x0302
46 #define HP_EVENT_CONFIGURED_TO_STBRES 0x0304
47 #define HP_EVENT_STANDBY_TO_RESERVED 0x0308
49 #define ERR_EVENT_INVALAS 0x1
50 #define ERR_EVENT_OORANGE 0x2
51 #define ERR_EVENT_INVALTF 0x3
52 #define ERR_EVENT_TPROTE 0x4
53 #define ERR_EVENT_APROTE 0x5
54 #define ERR_EVENT_KEYE 0x6
55 #define ERR_EVENT_INVALTE 0x7
56 #define ERR_EVENT_INVALTL 0x8
57 #define ERR_EVENT_TT 0x9
58 #define ERR_EVENT_INVALMS 0xa
59 #define ERR_EVENT_SERR 0xb
60 #define ERR_EVENT_NOMSI 0x10
61 #define ERR_EVENT_INVALBV 0x11
62 #define ERR_EVENT_AIBV 0x12
63 #define ERR_EVENT_AIRERR 0x13
64 #define ERR_EVENT_FMBA 0x2a
65 #define ERR_EVENT_FMBUP 0x2b
66 #define ERR_EVENT_FMBPRO 0x2c
67 #define ERR_EVENT_CCONF 0x30
68 #define ERR_EVENT_SERVAC 0x3a
69 #define ERR_EVENT_PERMERR 0x3b
71 #define ERR_EVENT_Q_BIT 0x2
72 #define ERR_EVENT_MVN_OFFSET 16
74 #define ZPCI_MSI_VEC_BITS 11
75 #define ZPCI_MSI_VEC_MASK 0x7ff
77 #define ZPCI_MSI_ADDR 0xfe00000000000000ULL
78 #define ZPCI_SDMA_ADDR 0x100000000ULL
79 #define ZPCI_EDMA_ADDR 0x1ffffffffffffffULL
82 #define PAGE_MASK (~(PAGE_SIZE-1))
83 #define PAGE_DEFAULT_ACC 0
84 #define PAGE_DEFAULT_KEY (PAGE_DEFAULT_ACC << 4)
86 /* I/O Translation Anchor (IOTA) */
97 #define ZPCI_IOTA_IOT_ENABLED 0x800ULL
98 #define ZPCI_IOTA_DT_ST (ZPCI_IOTA_STO << 2)
99 #define ZPCI_IOTA_DT_RT (ZPCI_IOTA_RTTO << 2)
100 #define ZPCI_IOTA_DT_RS (ZPCI_IOTA_RSTO << 2)
101 #define ZPCI_IOTA_DT_RF (ZPCI_IOTA_RFTO << 2)
102 #define ZPCI_IOTA_DT_PF (ZPCI_IOTA_PFAA << 2)
103 #define ZPCI_IOTA_FS_4K 0
104 #define ZPCI_IOTA_FS_1M 1
105 #define ZPCI_IOTA_FS_2G 2
106 #define ZPCI_KEY (PAGE_DEFAULT_KEY << 5)
108 #define ZPCI_IOTA_STO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_ST)
109 #define ZPCI_IOTA_RTTO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RT)
110 #define ZPCI_IOTA_RSTO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RS)
111 #define ZPCI_IOTA_RFTO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RF)
112 #define ZPCI_IOTA_RFAA_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY |\
113 ZPCI_IOTA_DT_PF | ZPCI_IOTA_FS_2G)
115 /* I/O Region and segment tables */
116 #define ZPCI_INDEX_MASK 0x7ffULL
118 #define ZPCI_TABLE_TYPE_MASK 0xc
119 #define ZPCI_TABLE_TYPE_RFX 0xc
120 #define ZPCI_TABLE_TYPE_RSX 0x8
121 #define ZPCI_TABLE_TYPE_RTX 0x4
122 #define ZPCI_TABLE_TYPE_SX 0x0
124 #define ZPCI_TABLE_LEN_RFX 0x3
125 #define ZPCI_TABLE_LEN_RSX 0x3
126 #define ZPCI_TABLE_LEN_RTX 0x3
128 #define ZPCI_TABLE_OFFSET_MASK 0xc0
129 #define ZPCI_TABLE_SIZE 0x4000
130 #define ZPCI_TABLE_ALIGN ZPCI_TABLE_SIZE
131 #define ZPCI_TABLE_ENTRY_SIZE (sizeof(unsigned long))
132 #define ZPCI_TABLE_ENTRIES (ZPCI_TABLE_SIZE / ZPCI_TABLE_ENTRY_SIZE)
134 #define ZPCI_TABLE_BITS 11
135 #define ZPCI_PT_BITS 8
136 #define ZPCI_ST_SHIFT (ZPCI_PT_BITS + PAGE_SHIFT)
137 #define ZPCI_RT_SHIFT (ZPCI_ST_SHIFT + ZPCI_TABLE_BITS)
139 #define ZPCI_RTE_FLAG_MASK 0x3fffULL
140 #define ZPCI_RTE_ADDR_MASK (~ZPCI_RTE_FLAG_MASK)
141 #define ZPCI_STE_FLAG_MASK 0x7ffULL
142 #define ZPCI_STE_ADDR_MASK (~ZPCI_STE_FLAG_MASK)
144 /* I/O Page tables */
145 #define ZPCI_PTE_VALID_MASK 0x400
146 #define ZPCI_PTE_INVALID 0x400
147 #define ZPCI_PTE_VALID 0x000
148 #define ZPCI_PT_SIZE 0x800
149 #define ZPCI_PT_ALIGN ZPCI_PT_SIZE
150 #define ZPCI_PT_ENTRIES (ZPCI_PT_SIZE / ZPCI_TABLE_ENTRY_SIZE)
151 #define ZPCI_PT_MASK (ZPCI_PT_ENTRIES - 1)
153 #define ZPCI_PTE_FLAG_MASK 0xfffULL
154 #define ZPCI_PTE_ADDR_MASK (~ZPCI_PTE_FLAG_MASK)
157 #define ZPCI_TABLE_VALID 0x00
158 #define ZPCI_TABLE_INVALID 0x20
159 #define ZPCI_TABLE_PROTECTED 0x200
160 #define ZPCI_TABLE_UNPROTECTED 0x000
162 #define ZPCI_TABLE_VALID_MASK 0x20
163 #define ZPCI_TABLE_PROT_MASK 0x200
165 /* PCI Function States
167 * reserved: default; device has just been plugged or is in progress of being
169 * standby: device is present but not configured; transition from any
170 * configured state/to this state via sclp configure/deconfigure
172 * The following states make up the "configured" meta-state:
173 * disabled: device is configured but not enabled; transition between this
174 * state and enabled via clp enable/disable
175 * enbaled: device is ready for use; transition to disabled via clp disable;
176 * may enter an error state
177 * blocked: ignore all DMA and interrupts; transition back to enabled or from
178 * error state via mpcifc
179 * error: an error occured; transition back to enabled via mpcifc
180 * permanent error: an unrecoverable error occured; transition to standby via
190 ZPCI_FS_PERMANENT_ERROR
,
193 typedef struct SeiContainer
{
194 QTAILQ_ENTRY(SeiContainer
) link
;
203 typedef struct PciCcdfErr
{
212 } QEMU_PACKED PciCcdfErr
;
214 typedef struct PciCcdfAvail
{
224 } QEMU_PACKED PciCcdfAvail
;
226 typedef struct ChscSeiNt2Res
{
236 uint32_t reserved5
[13];
238 } QEMU_PACKED ChscSeiNt2Res
;
240 typedef struct PciCfgSccb
{
246 } QEMU_PACKED PciCfgSccb
;
248 typedef struct S390MsixInfo
{
253 uint32_t table_offset
;
257 typedef struct S390PCIIOMMU
{
262 typedef struct S390PCIBusDevice
{
280 AdapterRoutes routes
;
282 MemoryRegion iommu_mr
;
283 IndAddr
*summary_ind
;
287 typedef struct S390PCIBus
{
291 typedef struct S390pciState
{
292 PCIHostState parent_obj
;
294 S390PCIBusDevice
*pbdev
[PCI_SLOT_MAX
];
295 S390PCIIOMMU
*iommu
[PCI_SLOT_MAX
];
296 AddressSpace msix_notify_as
;
297 MemoryRegion msix_notify_mr
;
298 QTAILQ_HEAD(, SeiContainer
) pending_sei
;
301 int chsc_sei_nt2_get_event(void *res
);
302 int chsc_sei_nt2_have_event(void);
303 void s390_pci_sclp_configure(SCCB
*sccb
);
304 void s390_pci_sclp_deconfigure(SCCB
*sccb
);
305 void s390_pci_iommu_enable(S390PCIBusDevice
*pbdev
);
306 void s390_pci_iommu_disable(S390PCIBusDevice
*pbdev
);
307 void s390_pci_generate_error_event(uint16_t pec
, uint32_t fh
, uint32_t fid
,
308 uint64_t faddr
, uint32_t e
);
309 S390PCIBusDevice
*s390_pci_find_dev_by_idx(uint32_t idx
);
310 S390PCIBusDevice
*s390_pci_find_dev_by_fh(uint32_t fh
);
311 S390PCIBusDevice
*s390_pci_find_dev_by_fid(uint32_t fid
);