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 extern bool zpci_unique_uid; 50 51 /* List PCI functions request */ 52 struct clp_req_list_pci { 53 struct clp_req_hdr hdr; 54 u64 resume_token; 55 u64 reserved2; 56 } __packed; 57 58 /* List PCI functions response */ 59 struct clp_rsp_list_pci { 60 struct clp_rsp_hdr hdr; 61 u64 resume_token; 62 u32 reserved2; 63 u16 max_fn; 64 u8 : 7; 65 u8 uid_checking : 1; 66 u8 entry_size; 67 struct clp_fh_list_entry fh_list[CLP_FH_LIST_NR_ENTRIES]; 68 } __packed; 69 70 /* Query PCI function request */ 71 struct clp_req_query_pci { 72 struct clp_req_hdr hdr; 73 u32 fh; /* function handle */ 74 u32 reserved2; 75 u64 reserved3; 76 } __packed; 77 78 /* Query PCI function response */ 79 struct clp_rsp_query_pci { 80 struct clp_rsp_hdr hdr; 81 u16 vfn; /* virtual fn number */ 82 u16 : 7; 83 u16 util_str_avail : 1; /* utility string available? */ 84 u16 pfgid : 8; /* pci function group id */ 85 u32 fid; /* pci function id */ 86 u8 bar_size[PCI_BAR_COUNT]; 87 u16 pchid; 88 __le32 bar[PCI_BAR_COUNT]; 89 u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */ 90 u32 : 16; 91 u8 fmb_len; 92 u8 pft; /* pci function type */ 93 u64 sdma; /* start dma as */ 94 u64 edma; /* end dma as */ 95 u32 reserved[11]; 96 u32 uid; /* user defined id */ 97 u8 util_str[CLP_UTIL_STR_LEN]; /* utility string */ 98 } __packed; 99 100 /* Query PCI function group request */ 101 struct clp_req_query_pci_grp { 102 struct clp_req_hdr hdr; 103 u32 reserved2 : 24; 104 u32 pfgid : 8; /* function group id */ 105 u32 reserved3; 106 u64 reserved4; 107 } __packed; 108 109 /* Query PCI function group response */ 110 struct clp_rsp_query_pci_grp { 111 struct clp_rsp_hdr hdr; 112 u16 : 4; 113 u16 noi : 12; /* number of interrupts */ 114 u8 version; 115 u8 : 6; 116 u8 frame : 1; 117 u8 refresh : 1; /* TLB refresh mode */ 118 u16 reserved2; 119 u16 mui; 120 u64 reserved3; 121 u64 dasm; /* dma address space mask */ 122 u64 msia; /* MSI address */ 123 u64 reserved4; 124 u64 reserved5; 125 } __packed; 126 127 /* Set PCI function request */ 128 struct clp_req_set_pci { 129 struct clp_req_hdr hdr; 130 u32 fh; /* function handle */ 131 u16 reserved2; 132 u8 oc; /* operation controls */ 133 u8 ndas; /* number of dma spaces */ 134 u64 reserved3; 135 } __packed; 136 137 /* Set PCI function response */ 138 struct clp_rsp_set_pci { 139 struct clp_rsp_hdr hdr; 140 u32 fh; /* function handle */ 141 u32 reserved3; 142 u64 reserved4; 143 } __packed; 144 145 /* Combined request/response block structures used by clp insn */ 146 struct clp_req_rsp_list_pci { 147 struct clp_req_list_pci request; 148 struct clp_rsp_list_pci response; 149 } __packed; 150 151 struct clp_req_rsp_set_pci { 152 struct clp_req_set_pci request; 153 struct clp_rsp_set_pci response; 154 } __packed; 155 156 struct clp_req_rsp_query_pci { 157 struct clp_req_query_pci request; 158 struct clp_rsp_query_pci response; 159 } __packed; 160 161 struct clp_req_rsp_query_pci_grp { 162 struct clp_req_query_pci_grp request; 163 struct clp_rsp_query_pci_grp response; 164 } __packed; 165 166 #endif 167