1 #ifndef _ASM_S390_PCI_CLP_H 2 #define _ASM_S390_PCI_CLP_H 3 4 #include <asm/clp.h> 5 6 /* 7 * Call Logical Processor - Command Codes 8 */ 9 #define CLP_LIST_PCI 0x0002 10 #define CLP_QUERY_PCI_FN 0x0003 11 #define CLP_QUERY_PCI_FNGRP 0x0004 12 #define CLP_SET_PCI_FN 0x0005 13 14 /* PCI function handle list entry */ 15 struct clp_fh_list_entry { 16 u16 device_id; 17 u16 vendor_id; 18 u32 config_state : 1; 19 u32 : 31; 20 u32 fid; /* PCI function id */ 21 u32 fh; /* PCI function handle */ 22 } __packed; 23 24 #define CLP_RC_SETPCIFN_FH 0x0101 /* Invalid PCI fn handle */ 25 #define CLP_RC_SETPCIFN_FHOP 0x0102 /* Fn handle not valid for op */ 26 #define CLP_RC_SETPCIFN_DMAAS 0x0103 /* Invalid DMA addr space */ 27 #define CLP_RC_SETPCIFN_RES 0x0104 /* Insufficient resources */ 28 #define CLP_RC_SETPCIFN_ALRDY 0x0105 /* Fn already in requested state */ 29 #define CLP_RC_SETPCIFN_ERR 0x0106 /* Fn in permanent error state */ 30 #define CLP_RC_SETPCIFN_RECPND 0x0107 /* Error recovery pending */ 31 #define CLP_RC_SETPCIFN_BUSY 0x0108 /* Fn busy */ 32 #define CLP_RC_LISTPCI_BADRT 0x010a /* Resume token not recognized */ 33 #define CLP_RC_QUERYPCIFG_PFGID 0x010b /* Unrecognized PFGID */ 34 35 /* request or response block header length */ 36 #define LIST_PCI_HDR_LEN 32 37 38 /* Number of function handles fitting in response block */ 39 #define CLP_FH_LIST_NR_ENTRIES \ 40 ((CLP_BLK_SIZE - 2 * LIST_PCI_HDR_LEN) \ 41 / sizeof(struct clp_fh_list_entry)) 42 43 #define CLP_SET_ENABLE_PCI_FN 0 /* Yes, 0 enables it */ 44 #define CLP_SET_DISABLE_PCI_FN 1 /* Yes, 1 disables it */ 45 46 #define CLP_UTIL_STR_LEN 64 47 #define CLP_PFIP_NR_SEGMENTS 4 48 49 /* List PCI functions request */ 50 struct clp_req_list_pci { 51 struct clp_req_hdr hdr; 52 u64 resume_token; 53 u64 reserved2; 54 } __packed; 55 56 /* List PCI functions response */ 57 struct clp_rsp_list_pci { 58 struct clp_rsp_hdr hdr; 59 u64 resume_token; 60 u32 reserved2; 61 u16 max_fn; 62 u8 reserved3; 63 u8 entry_size; 64 struct clp_fh_list_entry fh_list[CLP_FH_LIST_NR_ENTRIES]; 65 } __packed; 66 67 /* Query PCI function request */ 68 struct clp_req_query_pci { 69 struct clp_req_hdr hdr; 70 u32 fh; /* function handle */ 71 u32 reserved2; 72 u64 reserved3; 73 } __packed; 74 75 /* Query PCI function response */ 76 struct clp_rsp_query_pci { 77 struct clp_rsp_hdr hdr; 78 u16 vfn; /* virtual fn number */ 79 u16 : 7; 80 u16 util_str_avail : 1; /* utility string available? */ 81 u16 pfgid : 8; /* pci function group id */ 82 u32 fid; /* pci function id */ 83 u8 bar_size[PCI_BAR_COUNT]; 84 u16 pchid; 85 u32 bar[PCI_BAR_COUNT]; 86 u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */ 87 u32 : 24; 88 u8 pft; /* pci function type */ 89 u64 sdma; /* start dma as */ 90 u64 edma; /* end dma as */ 91 u32 reserved[11]; 92 u32 uid; /* user defined id */ 93 u8 util_str[CLP_UTIL_STR_LEN]; /* utility string */ 94 } __packed; 95 96 /* Query PCI function group request */ 97 struct clp_req_query_pci_grp { 98 struct clp_req_hdr hdr; 99 u32 reserved2 : 24; 100 u32 pfgid : 8; /* function group id */ 101 u32 reserved3; 102 u64 reserved4; 103 } __packed; 104 105 /* Query PCI function group response */ 106 struct clp_rsp_query_pci_grp { 107 struct clp_rsp_hdr hdr; 108 u16 : 4; 109 u16 noi : 12; /* number of interrupts */ 110 u8 version; 111 u8 : 6; 112 u8 frame : 1; 113 u8 refresh : 1; /* TLB refresh mode */ 114 u16 reserved2; 115 u16 mui; 116 u64 reserved3; 117 u64 dasm; /* dma address space mask */ 118 u64 msia; /* MSI address */ 119 u64 reserved4; 120 u64 reserved5; 121 } __packed; 122 123 /* Set PCI function request */ 124 struct clp_req_set_pci { 125 struct clp_req_hdr hdr; 126 u32 fh; /* function handle */ 127 u16 reserved2; 128 u8 oc; /* operation controls */ 129 u8 ndas; /* number of dma spaces */ 130 u64 reserved3; 131 } __packed; 132 133 /* Set PCI function response */ 134 struct clp_rsp_set_pci { 135 struct clp_rsp_hdr hdr; 136 u32 fh; /* function handle */ 137 u32 reserved3; 138 u64 reserved4; 139 } __packed; 140 141 /* Combined request/response block structures used by clp insn */ 142 struct clp_req_rsp_list_pci { 143 struct clp_req_list_pci request; 144 struct clp_rsp_list_pci response; 145 } __packed; 146 147 struct clp_req_rsp_set_pci { 148 struct clp_req_set_pci request; 149 struct clp_rsp_set_pci response; 150 } __packed; 151 152 struct clp_req_rsp_query_pci { 153 struct clp_req_query_pci request; 154 struct clp_rsp_query_pci response; 155 } __packed; 156 157 struct clp_req_rsp_query_pci_grp { 158 struct clp_req_query_pci_grp request; 159 struct clp_rsp_query_pci_grp response; 160 } __packed; 161 162 #endif 163