xref: /openbmc/linux/arch/s390/include/asm/pci_insn.h (revision 089a49b6)
1 #ifndef _ASM_S390_PCI_INSN_H
2 #define _ASM_S390_PCI_INSN_H
3 
4 /* Load/Store status codes */
5 #define ZPCI_PCI_ST_FUNC_NOT_ENABLED		4
6 #define ZPCI_PCI_ST_FUNC_IN_ERR			8
7 #define ZPCI_PCI_ST_BLOCKED			12
8 #define ZPCI_PCI_ST_INSUF_RES			16
9 #define ZPCI_PCI_ST_INVAL_AS			20
10 #define ZPCI_PCI_ST_FUNC_ALREADY_ENABLED	24
11 #define ZPCI_PCI_ST_DMA_AS_NOT_ENABLED		28
12 #define ZPCI_PCI_ST_2ND_OP_IN_INV_AS		36
13 #define ZPCI_PCI_ST_FUNC_NOT_AVAIL		40
14 #define ZPCI_PCI_ST_ALREADY_IN_RQ_STATE		44
15 
16 /* Load/Store return codes */
17 #define ZPCI_PCI_LS_OK				0
18 #define ZPCI_PCI_LS_ERR				1
19 #define ZPCI_PCI_LS_BUSY			2
20 #define ZPCI_PCI_LS_INVAL_HANDLE		3
21 
22 /* Load/Store address space identifiers */
23 #define ZPCI_PCIAS_MEMIO_0			0
24 #define ZPCI_PCIAS_MEMIO_1			1
25 #define ZPCI_PCIAS_MEMIO_2			2
26 #define ZPCI_PCIAS_MEMIO_3			3
27 #define ZPCI_PCIAS_MEMIO_4			4
28 #define ZPCI_PCIAS_MEMIO_5			5
29 #define ZPCI_PCIAS_CFGSPC			15
30 
31 /* Modify PCI Function Controls */
32 #define ZPCI_MOD_FC_REG_INT	2
33 #define ZPCI_MOD_FC_DEREG_INT	3
34 #define ZPCI_MOD_FC_REG_IOAT	4
35 #define ZPCI_MOD_FC_DEREG_IOAT	5
36 #define ZPCI_MOD_FC_REREG_IOAT	6
37 #define ZPCI_MOD_FC_RESET_ERROR	7
38 #define ZPCI_MOD_FC_RESET_BLOCK	9
39 #define ZPCI_MOD_FC_SET_MEASURE	10
40 
41 /* FIB function controls */
42 #define ZPCI_FIB_FC_ENABLED	0x80
43 #define ZPCI_FIB_FC_ERROR	0x40
44 #define ZPCI_FIB_FC_LS_BLOCKED	0x20
45 #define ZPCI_FIB_FC_DMAAS_REG	0x10
46 
47 /* FIB function controls */
48 #define ZPCI_FIB_FC_ENABLED	0x80
49 #define ZPCI_FIB_FC_ERROR	0x40
50 #define ZPCI_FIB_FC_LS_BLOCKED	0x20
51 #define ZPCI_FIB_FC_DMAAS_REG	0x10
52 
53 /* Function Information Block */
54 struct zpci_fib {
55 	u32 fmt		:  8;	/* format */
56 	u32		: 24;
57 	u32 reserved1;
58 	u8 fc;			/* function controls */
59 	u8 reserved2;
60 	u16 reserved3;
61 	u32 reserved4;
62 	u64 pba;		/* PCI base address */
63 	u64 pal;		/* PCI address limit */
64 	u64 iota;		/* I/O Translation Anchor */
65 	u32		:  1;
66 	u32 isc		:  3;	/* Interrupt subclass */
67 	u32 noi		: 12;	/* Number of interrupts */
68 	u32		:  2;
69 	u32 aibvo	:  6;	/* Adapter interrupt bit vector offset */
70 	u32 sum		:  1;	/* Adapter int summary bit enabled */
71 	u32		:  1;
72 	u32 aisbo	:  6;	/* Adapter int summary bit offset */
73 	u32 reserved5;
74 	u64 aibv;		/* Adapter int bit vector address */
75 	u64 aisb;		/* Adapter int summary bit address */
76 	u64 fmb_addr;		/* Function measurement block address and key */
77 	u64 reserved6;
78 	u64 reserved7;
79 } __packed;
80 
81 
82 int zpci_mod_fc(u64 req, struct zpci_fib *fib);
83 int zpci_refresh_trans(u64 fn, u64 addr, u64 range);
84 int zpci_load(u64 *data, u64 req, u64 offset);
85 int zpci_store(u64 data, u64 req, u64 offset);
86 int zpci_store_block(const u64 *data, u64 req, u64 offset);
87 void zpci_set_irq_ctrl(u16 ctl, char *unused, u8 isc);
88 
89 #endif
90