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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 | #ifndef _ASM_S390_PCI_CLP_H
#define _ASM_S390_PCI_CLP_H
#include <asm/clp.h>
/*
* 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 */
struct clp_fh_list_entry {
u16 device_id;
u16 vendor_id;
u32 config_state : 1;
u32 : 31;
u32 fid; /* PCI function id */
u32 fh; /* PCI function handle */
} __packed;
#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(struct clp_fh_list_entry))
#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
extern bool zpci_unique_uid;
/* List PCI functions request */
struct clp_req_list_pci {
struct clp_req_hdr hdr;
u64 resume_token;
u64 reserved2;
} __packed;
/* List PCI functions response */
struct clp_rsp_list_pci {
struct clp_rsp_hdr hdr;
u64 resume_token;
u32 reserved2;
u16 max_fn;
u8 : 7;
u8 uid_checking : 1;
u8 entry_size;
struct clp_fh_list_entry fh_list[CLP_FH_LIST_NR_ENTRIES];
} __packed;
/* Query PCI function request */
struct clp_req_query_pci {
struct clp_req_hdr hdr;
u32 fh; /* function handle */
u32 reserved2;
u64 reserved3;
} __packed;
/* Query PCI function response */
struct clp_rsp_query_pci {
struct clp_rsp_hdr hdr;
u16 vfn; /* virtual fn number */
u16 : 7;
u16 util_str_avail : 1; /* utility string available? */
u16 pfgid : 8; /* pci function group id */
u32 fid; /* pci function id */
u8 bar_size[PCI_BAR_COUNT];
u16 pchid;
__le32 bar[PCI_BAR_COUNT];
u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */
u32 : 16;
u8 fmb_len;
u8 pft; /* pci function type */
u64 sdma; /* start dma as */
u64 edma; /* end dma as */
u32 reserved[11];
u32 uid; /* user defined id */
u8 util_str[CLP_UTIL_STR_LEN]; /* utility string */
} __packed;
/* Query PCI function group request */
struct clp_req_query_pci_grp {
struct clp_req_hdr hdr;
u32 reserved2 : 24;
u32 pfgid : 8; /* function group id */
u32 reserved3;
u64 reserved4;
} __packed;
/* Query PCI function group response */
struct clp_rsp_query_pci_grp {
struct clp_rsp_hdr hdr;
u16 : 4;
u16 noi : 12; /* number of interrupts */
u8 version;
u8 : 6;
u8 frame : 1;
u8 refresh : 1; /* TLB refresh mode */
u16 reserved2;
u16 mui;
u64 reserved3;
u64 dasm; /* dma address space mask */
u64 msia; /* MSI address */
u64 reserved4;
u64 reserved5;
} __packed;
/* Set PCI function request */
struct clp_req_set_pci {
struct clp_req_hdr hdr;
u32 fh; /* function handle */
u16 reserved2;
u8 oc; /* operation controls */
u8 ndas; /* number of dma spaces */
u64 reserved3;
} __packed;
/* Set PCI function response */
struct clp_rsp_set_pci {
struct clp_rsp_hdr hdr;
u32 fh; /* function handle */
u32 reserved3;
u64 reserved4;
} __packed;
/* Combined request/response block structures used by clp insn */
struct clp_req_rsp_list_pci {
struct clp_req_list_pci request;
struct clp_rsp_list_pci response;
} __packed;
struct clp_req_rsp_set_pci {
struct clp_req_set_pci request;
struct clp_rsp_set_pci response;
} __packed;
struct clp_req_rsp_query_pci {
struct clp_req_query_pci request;
struct clp_rsp_query_pci response;
} __packed;
struct clp_req_rsp_query_pci_grp {
struct clp_req_query_pci_grp request;
struct clp_rsp_query_pci_grp response;
} __packed;
#endif
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