2 * s390 PCI BUS definitions
4 * Copyright 2014 IBM Corp.
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
36 #define UID_CHECKING_ENABLED 0x01
37 #define HOT_UNPLUG_TIMEOUT (NANOSECONDS_PER_SECOND * 60 * 5)
39 #define S390_PCI_HOST_BRIDGE(obj) \
40 OBJECT_CHECK(S390pciState, (obj), TYPE_S390_PCI_HOST_BRIDGE)
41 #define S390_PCI_BUS(obj) \
42 OBJECT_CHECK(S390PCIBus, (obj), TYPE_S390_PCI_BUS)
43 #define S390_PCI_DEVICE(obj) \
44 OBJECT_CHECK(S390PCIBusDevice, (obj), TYPE_S390_PCI_DEVICE)
46 #define HP_EVENT_TO_CONFIGURED 0x0301
47 #define HP_EVENT_RESERVED_TO_STANDBY 0x0302
48 #define HP_EVENT_DECONFIGURE_REQUEST 0x0303
49 #define HP_EVENT_CONFIGURED_TO_STBRES 0x0304
50 #define HP_EVENT_STANDBY_TO_RESERVED 0x0308
52 #define ERR_EVENT_INVALAS 0x1
53 #define ERR_EVENT_OORANGE 0x2
54 #define ERR_EVENT_INVALTF 0x3
55 #define ERR_EVENT_TPROTE 0x4
56 #define ERR_EVENT_APROTE 0x5
57 #define ERR_EVENT_KEYE 0x6
58 #define ERR_EVENT_INVALTE 0x7
59 #define ERR_EVENT_INVALTL 0x8
60 #define ERR_EVENT_TT 0x9
61 #define ERR_EVENT_INVALMS 0xa
62 #define ERR_EVENT_SERR 0xb
63 #define ERR_EVENT_NOMSI 0x10
64 #define ERR_EVENT_INVALBV 0x11
65 #define ERR_EVENT_AIBV 0x12
66 #define ERR_EVENT_AIRERR 0x13
67 #define ERR_EVENT_FMBA 0x2a
68 #define ERR_EVENT_FMBUP 0x2b
69 #define ERR_EVENT_FMBPRO 0x2c
70 #define ERR_EVENT_CCONF 0x30
71 #define ERR_EVENT_SERVAC 0x3a
72 #define ERR_EVENT_PERMERR 0x3b
74 #define ERR_EVENT_Q_BIT 0x2
75 #define ERR_EVENT_MVN_OFFSET 16
77 #define ZPCI_MSI_VEC_BITS 11
78 #define ZPCI_MSI_VEC_MASK 0x7ff
80 #define ZPCI_MSI_ADDR 0xfe00000000000000ULL
81 #define ZPCI_SDMA_ADDR 0x100000000ULL
82 #define ZPCI_EDMA_ADDR 0x1ffffffffffffffULL
85 #define PAGE_MASK (~(PAGE_SIZE-1))
86 #define PAGE_DEFAULT_ACC 0
87 #define PAGE_DEFAULT_KEY (PAGE_DEFAULT_ACC << 4)
89 /* I/O Translation Anchor (IOTA) */
100 #define ZPCI_IOTA_IOT_ENABLED 0x800ULL
101 #define ZPCI_IOTA_DT_ST (ZPCI_IOTA_STO << 2)
102 #define ZPCI_IOTA_DT_RT (ZPCI_IOTA_RTTO << 2)
103 #define ZPCI_IOTA_DT_RS (ZPCI_IOTA_RSTO << 2)
104 #define ZPCI_IOTA_DT_RF (ZPCI_IOTA_RFTO << 2)
105 #define ZPCI_IOTA_DT_PF (ZPCI_IOTA_PFAA << 2)
106 #define ZPCI_IOTA_FS_4K 0
107 #define ZPCI_IOTA_FS_1M 1
108 #define ZPCI_IOTA_FS_2G 2
109 #define ZPCI_KEY (PAGE_DEFAULT_KEY << 5)
111 #define ZPCI_IOTA_STO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_ST)
112 #define ZPCI_IOTA_RTTO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RT)
113 #define ZPCI_IOTA_RSTO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RS)
114 #define ZPCI_IOTA_RFTO_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY | ZPCI_IOTA_DT_RF)
115 #define ZPCI_IOTA_RFAA_FLAG (ZPCI_IOTA_IOT_ENABLED | ZPCI_KEY |\
116 ZPCI_IOTA_DT_PF | ZPCI_IOTA_FS_2G)
118 /* I/O Region and segment tables */
119 #define ZPCI_INDEX_MASK 0x7ffULL
121 #define ZPCI_TABLE_TYPE_MASK 0xc
122 #define ZPCI_TABLE_TYPE_RFX 0xc
123 #define ZPCI_TABLE_TYPE_RSX 0x8
124 #define ZPCI_TABLE_TYPE_RTX 0x4
125 #define ZPCI_TABLE_TYPE_SX 0x0
127 #define ZPCI_TABLE_LEN_RFX 0x3
128 #define ZPCI_TABLE_LEN_RSX 0x3
129 #define ZPCI_TABLE_LEN_RTX 0x3
131 #define ZPCI_TABLE_OFFSET_MASK 0xc0
132 #define ZPCI_TABLE_SIZE 0x4000
133 #define ZPCI_TABLE_ALIGN ZPCI_TABLE_SIZE
134 #define ZPCI_TABLE_ENTRY_SIZE (sizeof(unsigned long))
135 #define ZPCI_TABLE_ENTRIES (ZPCI_TABLE_SIZE / ZPCI_TABLE_ENTRY_SIZE)
137 #define ZPCI_TABLE_BITS 11
138 #define ZPCI_PT_BITS 8
139 #define ZPCI_ST_SHIFT (ZPCI_PT_BITS + PAGE_SHIFT)
140 #define ZPCI_RT_SHIFT (ZPCI_ST_SHIFT + ZPCI_TABLE_BITS)
142 #define ZPCI_RTE_FLAG_MASK 0x3fffULL
143 #define ZPCI_RTE_ADDR_MASK (~ZPCI_RTE_FLAG_MASK)
144 #define ZPCI_STE_FLAG_MASK 0x7ffULL
145 #define ZPCI_STE_ADDR_MASK (~ZPCI_STE_FLAG_MASK)
147 /* I/O Page tables */
148 #define ZPCI_PTE_VALID_MASK 0x400
149 #define ZPCI_PTE_INVALID 0x400
150 #define ZPCI_PTE_VALID 0x000
151 #define ZPCI_PT_SIZE 0x800
152 #define ZPCI_PT_ALIGN ZPCI_PT_SIZE
153 #define ZPCI_PT_ENTRIES (ZPCI_PT_SIZE / ZPCI_TABLE_ENTRY_SIZE)
154 #define ZPCI_PT_MASK (ZPCI_PT_ENTRIES - 1)
156 #define ZPCI_PTE_FLAG_MASK 0xfffULL
157 #define ZPCI_PTE_ADDR_MASK (~ZPCI_PTE_FLAG_MASK)
160 #define ZPCI_TABLE_VALID 0x00
161 #define ZPCI_TABLE_INVALID 0x20
162 #define ZPCI_TABLE_PROTECTED 0x200
163 #define ZPCI_TABLE_UNPROTECTED 0x000
165 #define ZPCI_TABLE_VALID_MASK 0x20
166 #define ZPCI_TABLE_PROT_MASK 0x200
168 /* PCI Function States
170 * reserved: default; device has just been plugged or is in progress of being
172 * standby: device is present but not configured; transition from any
173 * configured state/to this state via sclp configure/deconfigure
175 * The following states make up the "configured" meta-state:
176 * disabled: device is configured but not enabled; transition between this
177 * state and enabled via clp enable/disable
178 * enbaled: device is ready for use; transition to disabled via clp disable;
179 * may enter an error state
180 * blocked: ignore all DMA and interrupts; transition back to enabled or from
181 * error state via mpcifc
182 * error: an error occured; transition back to enabled via mpcifc
183 * permanent error: an unrecoverable error occured; transition to standby via
193 ZPCI_FS_PERMANENT_ERROR,
196 typedef struct SeiContainer {
197 QTAILQ_ENTRY(SeiContainer) link;
206 typedef struct PciCcdfErr {
215 } QEMU_PACKED PciCcdfErr;
217 typedef struct PciCcdfAvail {
227 } QEMU_PACKED PciCcdfAvail;
229 typedef struct ChscSeiNt2Res {
239 uint32_t reserved5[13];
241 } QEMU_PACKED ChscSeiNt2Res;
243 typedef struct PciCfgSccb {
249 } QEMU_PACKED PciCfgSccb;
251 typedef struct S390MsixInfo {
256 uint32_t table_offset;
260 typedef struct S390PCIIOMMU {
265 typedef struct S390PCIBusDevice {
283 AdapterRoutes routes;
285 MemoryRegion iommu_mr;
286 IndAddr *summary_ind;
288 QEMUTimer *release_timer;
291 typedef struct S390PCIBus {
295 typedef struct S390pciState {
296 PCIHostState parent_obj;
298 S390PCIBusDevice *pbdev[PCI_SLOT_MAX];
299 S390PCIIOMMU *iommu[PCI_SLOT_MAX];
300 AddressSpace msix_notify_as;
301 MemoryRegion msix_notify_mr;
302 QTAILQ_HEAD(, SeiContainer) pending_sei;
305 int chsc_sei_nt2_get_event(void *res);
306 int chsc_sei_nt2_have_event(void);
307 void s390_pci_sclp_configure(SCCB *sccb);
308 void s390_pci_sclp_deconfigure(SCCB *sccb);
309 void s390_pci_iommu_enable(S390PCIBusDevice *pbdev);
310 void s390_pci_iommu_disable(S390PCIBusDevice *pbdev);
311 void s390_pci_generate_error_event(uint16_t pec, uint32_t fh, uint32_t fid,
312 uint64_t faddr, uint32_t e);
313 S390PCIBusDevice *s390_pci_find_dev_by_idx(uint32_t idx);
314 S390PCIBusDevice *s390_pci_find_dev_by_fh(uint32_t fh);
315 S390PCIBusDevice *s390_pci_find_dev_by_fid(uint32_t fid);
316 S390PCIBusDevice *s390_pci_find_next_avail_dev(S390PCIBusDevice *pbdev);