xref: /openbmc/linux/arch/s390/include/asm/pci_clp.h (revision e23feb16)
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 
48 /* List PCI functions request */
49 struct clp_req_list_pci {
50 	struct clp_req_hdr hdr;
51 	u32 fmt			:  4;	/* cmd request block format */
52 	u32			: 28;
53 	u64 reserved1;
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 	u32 fmt			:  4;	/* cmd request block format */
62 	u32			: 28;
63 	u64 reserved1;
64 	u64 resume_token;
65 	u32 reserved2;
66 	u16 max_fn;
67 	u8 reserved3;
68 	u8 entry_size;
69 	struct clp_fh_list_entry fh_list[CLP_FH_LIST_NR_ENTRIES];
70 } __packed;
71 
72 /* Query PCI function request */
73 struct clp_req_query_pci {
74 	struct clp_req_hdr hdr;
75 	u32 fmt			:  4;	/* cmd request block format */
76 	u32			: 28;
77 	u64 reserved1;
78 	u32 fh;				/* function handle */
79 	u32 reserved2;
80 	u64 reserved3;
81 } __packed;
82 
83 /* Query PCI function response */
84 struct clp_rsp_query_pci {
85 	struct clp_rsp_hdr hdr;
86 	u32 fmt			:  4;	/* cmd request block format */
87 	u32			: 28;
88 	u64 reserved1;
89 	u16 vfn;			/* virtual fn number */
90 	u16			:  7;
91 	u16 util_str_avail	:  1;	/* utility string available? */
92 	u16 pfgid		:  8;	/* pci function group id */
93 	u32 fid;			/* pci function id */
94 	u8 bar_size[PCI_BAR_COUNT];
95 	u16 pchid;
96 	u32 bar[PCI_BAR_COUNT];
97 	u64 reserved2;
98 	u64 sdma;			/* start dma as */
99 	u64 edma;			/* end dma as */
100 	u64 reserved3[6];
101 	u8 util_str[CLP_UTIL_STR_LEN];	/* utility string */
102 } __packed;
103 
104 /* Query PCI function group request */
105 struct clp_req_query_pci_grp {
106 	struct clp_req_hdr hdr;
107 	u32 fmt			:  4;	/* cmd request block format */
108 	u32			: 28;
109 	u64 reserved1;
110 	u32			: 24;
111 	u32 pfgid		:  8;	/* function group id */
112 	u32 reserved2;
113 	u64 reserved3;
114 } __packed;
115 
116 /* Query PCI function group response */
117 struct clp_rsp_query_pci_grp {
118 	struct clp_rsp_hdr hdr;
119 	u32 fmt			:  4;	/* cmd request block format */
120 	u32			: 28;
121 	u64 reserved1;
122 	u16			:  4;
123 	u16 noi			: 12;	/* number of interrupts */
124 	u8 version;
125 	u8			:  6;
126 	u8 frame		:  1;
127 	u8 refresh		:  1;	/* TLB refresh mode */
128 	u16 reserved2;
129 	u16 mui;
130 	u64 reserved3;
131 	u64 dasm;			/* dma address space mask */
132 	u64 msia;			/* MSI address */
133 	u64 reserved4;
134 	u64 reserved5;
135 } __packed;
136 
137 /* Set PCI function request */
138 struct clp_req_set_pci {
139 	struct clp_req_hdr hdr;
140 	u32 fmt			:  4;	/* cmd request block format */
141 	u32			: 28;
142 	u64 reserved1;
143 	u32 fh;				/* function handle */
144 	u16 reserved2;
145 	u8 oc;				/* operation controls */
146 	u8 ndas;			/* number of dma spaces */
147 	u64 reserved3;
148 } __packed;
149 
150 /* Set PCI function response */
151 struct clp_rsp_set_pci {
152 	struct clp_rsp_hdr hdr;
153 	u32 fmt			:  4;	/* cmd request block format */
154 	u32			: 28;
155 	u64 reserved1;
156 	u32 fh;				/* function handle */
157 	u32 reserved3;
158 	u64 reserved4;
159 } __packed;
160 
161 /* Combined request/response block structures used by clp insn */
162 struct clp_req_rsp_list_pci {
163 	struct clp_req_list_pci request;
164 	struct clp_rsp_list_pci response;
165 } __packed;
166 
167 struct clp_req_rsp_set_pci {
168 	struct clp_req_set_pci request;
169 	struct clp_rsp_set_pci response;
170 } __packed;
171 
172 struct clp_req_rsp_query_pci {
173 	struct clp_req_query_pci request;
174 	struct clp_rsp_query_pci response;
175 } __packed;
176 
177 struct clp_req_rsp_query_pci_grp {
178 	struct clp_req_query_pci_grp request;
179 	struct clp_rsp_query_pci_grp response;
180 } __packed;
181 
182 #endif
183