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/*
* s390 CLP instruction definitions
*
* Copyright 2019 IBM Corp.
* Author(s): Pierre Morel <pmorel@de.ibm.com>
*
* 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_H
#define HW_S390_PCI_CLP_H
/* 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;
uint8_t reserved2[3];
uint8_t g;
uint32_t reserved3;
uint64_t reserved4;
} 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;
uint8_t dtsm;
uint8_t reserved3[7];
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
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