/* * s390 CLP instruction definitions * * Copyright 2019 IBM Corp. * Author(s): Pierre Morel * * This work is licensed under the terms of the GNU GPL, version 2 or (at * your option) any later version. See the COPYING file in the top-level * directory. */ #ifndef HW_S390_PCI_CLP #define HW_S390_PCI_CLP /* CLP common request & response block size */ #define CLP_BLK_SIZE 4096 #define PCI_BAR_COUNT 6 #define PCI_MAX_FUNCTIONS 4096 typedef struct ClpReqHdr { uint16_t len; uint16_t cmd; } QEMU_PACKED ClpReqHdr; typedef struct ClpRspHdr { uint16_t len; uint16_t rsp; } QEMU_PACKED ClpRspHdr; /* CLP Response Codes */ #define CLP_RC_OK 0x0010 /* Command request successfully */ #define CLP_RC_CMD 0x0020 /* Command code not recognized */ #define CLP_RC_PERM 0x0030 /* Command not authorized */ #define CLP_RC_FMT 0x0040 /* Invalid command request format */ #define CLP_RC_LEN 0x0050 /* Invalid command request length */ #define CLP_RC_8K 0x0060 /* Command requires 8K LPCB */ #define CLP_RC_RESNOT0 0x0070 /* Reserved field not zero */ #define CLP_RC_NODATA 0x0080 /* No data available */ #define CLP_RC_FC_UNKNOWN 0x0100 /* Function code not recognized */ /* * Call Logical Processor - Command Codes */ #define CLP_LIST_PCI 0x0002 #define CLP_QUERY_PCI_FN 0x0003 #define CLP_QUERY_PCI_FNGRP 0x0004 #define CLP_SET_PCI_FN 0x0005 /* PCI function handle list entry */ typedef struct ClpFhListEntry { uint16_t device_id; uint16_t vendor_id; #define CLP_FHLIST_MASK_CONFIG 0x80000000 uint32_t config; uint32_t fid; uint32_t fh; } QEMU_PACKED ClpFhListEntry; #define CLP_RC_SETPCIFN_FH 0x0101 /* Invalid PCI fn handle */ #define CLP_RC_SETPCIFN_FHOP 0x0102 /* Fn handle not valid for op */ #define CLP_RC_SETPCIFN_DMAAS 0x0103 /* Invalid DMA addr space */ #define CLP_RC_SETPCIFN_RES 0x0104 /* Insufficient resources */ #define CLP_RC_SETPCIFN_ALRDY 0x0105 /* Fn already in requested state */ #define CLP_RC_SETPCIFN_ERR 0x0106 /* Fn in permanent error state */ #define CLP_RC_SETPCIFN_RECPND 0x0107 /* Error recovery pending */ #define CLP_RC_SETPCIFN_BUSY 0x0108 /* Fn busy */ #define CLP_RC_LISTPCI_BADRT 0x010a /* Resume token not recognized */ #define CLP_RC_QUERYPCIFG_PFGID 0x010b /* Unrecognized PFGID */ /* request or response block header length */ #define LIST_PCI_HDR_LEN 32 /* Number of function handles fitting in response block */ #define CLP_FH_LIST_NR_ENTRIES \ ((CLP_BLK_SIZE - 2 * LIST_PCI_HDR_LEN) \ / sizeof(ClpFhListEntry)) #define CLP_SET_ENABLE_PCI_FN 0 /* Yes, 0 enables it */ #define CLP_SET_DISABLE_PCI_FN 1 /* Yes, 1 disables it */ #define CLP_UTIL_STR_LEN 64 #define CLP_PFIP_NR_SEGMENTS 4 #define CLP_MASK_FMT 0xf0000000 /* List PCI functions request */ typedef struct ClpReqListPci { ClpReqHdr hdr; uint32_t fmt; uint64_t reserved1; uint64_t resume_token; uint64_t reserved2; } QEMU_PACKED ClpReqListPci; /* List PCI functions response */ typedef struct ClpRspListPci { ClpRspHdr hdr; uint32_t fmt; uint64_t reserved1; uint64_t resume_token; uint32_t mdd; uint16_t max_fn; uint8_t flags; uint8_t entry_size; ClpFhListEntry fh_list[CLP_FH_LIST_NR_ENTRIES]; } QEMU_PACKED ClpRspListPci; /* Query PCI function request */ typedef struct ClpReqQueryPci { ClpReqHdr hdr; uint32_t fmt; uint64_t reserved1; uint32_t fh; /* function handle */ uint32_t reserved2; uint64_t reserved3; } QEMU_PACKED ClpReqQueryPci; /* Query PCI function response */ typedef struct ClpRspQueryPci { ClpRspHdr hdr; uint32_t fmt; uint64_t reserved1; uint16_t vfn; /* virtual fn number */ #define CLP_RSP_QPCI_MASK_UTIL 0x01 uint8_t flags; uint8_t pfgid; uint32_t fid; /* pci function id */ uint8_t bar_size[PCI_BAR_COUNT]; uint16_t pchid; uint32_t bar[PCI_BAR_COUNT]; uint8_t pfip[CLP_PFIP_NR_SEGMENTS]; uint16_t reserved2; uint8_t fmbl; uint8_t pft; uint64_t sdma; /* start dma as */ uint64_t edma; /* end dma as */ uint32_t reserved3[11]; uint32_t uid; uint8_t util_str[CLP_UTIL_STR_LEN]; /* utility string */ } QEMU_PACKED ClpRspQueryPci; /* Query PCI function group request */ typedef struct ClpReqQueryPciGrp { ClpReqHdr hdr; uint32_t fmt; uint64_t reserved1; #define CLP_REQ_QPCIG_MASK_PFGID 0xff uint32_t g; uint32_t reserved2; uint64_t reserved3; } QEMU_PACKED ClpReqQueryPciGrp; /* Query PCI function group response */ typedef struct ClpRspQueryPciGrp { ClpRspHdr hdr; uint32_t fmt; uint64_t reserved1; #define CLP_RSP_QPCIG_MASK_NOI 0xfff uint16_t i; uint8_t version; #define CLP_RSP_QPCIG_MASK_FRAME 0x2 #define CLP_RSP_QPCIG_MASK_REFRESH 0x1 uint8_t fr; uint16_t maxstbl; uint16_t mui; uint64_t reserved3; uint64_t dasm; /* dma address space mask */ uint64_t msia; /* MSI address */ uint64_t reserved4; uint64_t reserved5; } QEMU_PACKED ClpRspQueryPciGrp; /* Set PCI function request */ typedef struct ClpReqSetPci { ClpReqHdr hdr; uint32_t fmt; uint64_t reserved1; uint32_t fh; /* function handle */ uint16_t reserved2; uint8_t oc; /* operation controls */ uint8_t ndas; /* number of dma spaces */ uint64_t reserved3; } QEMU_PACKED ClpReqSetPci; /* Set PCI function response */ typedef struct ClpRspSetPci { ClpRspHdr hdr; uint32_t fmt; uint64_t reserved1; uint32_t fh; /* function handle */ uint32_t reserved3; uint64_t reserved4; } QEMU_PACKED ClpRspSetPci; typedef struct ClpReqRspListPci { ClpReqListPci request; ClpRspListPci response; } QEMU_PACKED ClpReqRspListPci; typedef struct ClpReqRspSetPci { ClpReqSetPci request; ClpRspSetPci response; } QEMU_PACKED ClpReqRspSetPci; typedef struct ClpReqRspQueryPci { ClpReqQueryPci request; ClpRspQueryPci response; } QEMU_PACKED ClpReqRspQueryPci; typedef struct ClpReqRspQueryPciGrp { ClpReqQueryPciGrp request; ClpRspQueryPciGrp response; } QEMU_PACKED ClpReqRspQueryPciGrp; #endif