1 #ifndef _ASM_S390_PCI_CLP_H
2 #define _ASM_S390_PCI_CLP_H
7 * Call Logical Processor - Command Codes
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
14 /* PCI function handle list entry */
15 struct clp_fh_list_entry {
20 u32 fid; /* PCI function id */
21 u32 fh; /* PCI function handle */
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 */
35 /* request or response block header length */
36 #define LIST_PCI_HDR_LEN 32
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))
43 #define CLP_SET_ENABLE_PCI_FN 0 /* Yes, 0 enables it */
44 #define CLP_SET_DISABLE_PCI_FN 1 /* Yes, 1 disables it */
46 #define CLP_UTIL_STR_LEN 64
47 #define CLP_PFIP_NR_SEGMENTS 4
49 /* List PCI functions request */
50 struct clp_req_list_pci {
51 struct clp_req_hdr hdr;
52 u32 fmt : 4; /* cmd request block format */
59 /* List PCI functions response */
60 struct clp_rsp_list_pci {
61 struct clp_rsp_hdr hdr;
62 u32 fmt : 4; /* cmd request block format */
70 struct clp_fh_list_entry fh_list[CLP_FH_LIST_NR_ENTRIES];
73 /* Query PCI function request */
74 struct clp_req_query_pci {
75 struct clp_req_hdr hdr;
76 u32 fmt : 4; /* cmd request block format */
79 u32 fh; /* function handle */
84 /* Query PCI function response */
85 struct clp_rsp_query_pci {
86 struct clp_rsp_hdr hdr;
87 u32 fmt : 4; /* cmd request block format */
90 u16 vfn; /* virtual fn number */
92 u16 util_str_avail : 1; /* utility string available? */
93 u16 pfgid : 8; /* pci function group id */
94 u32 fid; /* pci function id */
95 u8 bar_size[PCI_BAR_COUNT];
97 u32 bar[PCI_BAR_COUNT];
98 u8 pfip[CLP_PFIP_NR_SEGMENTS]; /* pci function internal path */
100 u8 pft; /* pci function type */
101 u64 sdma; /* start dma as */
102 u64 edma; /* end dma as */
104 u32 uid; /* user defined id */
105 u8 util_str[CLP_UTIL_STR_LEN]; /* utility string */
108 /* Query PCI function group request */
109 struct clp_req_query_pci_grp {
110 struct clp_req_hdr hdr;
111 u32 fmt : 4; /* cmd request block format */
115 u32 pfgid : 8; /* function group id */
120 /* Query PCI function group response */
121 struct clp_rsp_query_pci_grp {
122 struct clp_rsp_hdr hdr;
123 u32 fmt : 4; /* cmd request block format */
127 u16 noi : 12; /* number of interrupts */
131 u8 refresh : 1; /* TLB refresh mode */
135 u64 dasm; /* dma address space mask */
136 u64 msia; /* MSI address */
141 /* Set PCI function request */
142 struct clp_req_set_pci {
143 struct clp_req_hdr hdr;
144 u32 fmt : 4; /* cmd request block format */
147 u32 fh; /* function handle */
149 u8 oc; /* operation controls */
150 u8 ndas; /* number of dma spaces */
154 /* Set PCI function response */
155 struct clp_rsp_set_pci {
156 struct clp_rsp_hdr hdr;
157 u32 fmt : 4; /* cmd request block format */
160 u32 fh; /* function handle */
165 /* Combined request/response block structures used by clp insn */
166 struct clp_req_rsp_list_pci {
167 struct clp_req_list_pci request;
168 struct clp_rsp_list_pci response;
171 struct clp_req_rsp_set_pci {
172 struct clp_req_set_pci request;
173 struct clp_rsp_set_pci response;
176 struct clp_req_rsp_query_pci {
177 struct clp_req_query_pci request;
178 struct clp_rsp_query_pci response;
181 struct clp_req_rsp_query_pci_grp {
182 struct clp_req_query_pci_grp request;
183 struct clp_rsp_query_pci_grp response;