diff options
Diffstat (limited to 'arch/s390/include/asm/pci_insn.h')
-rw-r--r-- | arch/s390/include/asm/pci_insn.h | 74 |
1 files changed, 63 insertions, 11 deletions
diff --git a/arch/s390/include/asm/pci_insn.h b/arch/s390/include/asm/pci_insn.h index ba22a6ea51a1..ab1031070503 100644 --- a/arch/s390/include/asm/pci_insn.h +++ b/arch/s390/include/asm/pci_insn.h @@ -38,6 +38,8 @@ #define ZPCI_MOD_FC_RESET_ERROR 7 #define ZPCI_MOD_FC_RESET_BLOCK 9 #define ZPCI_MOD_FC_SET_MEASURE 10 +#define ZPCI_MOD_FC_REG_INT_D 16 +#define ZPCI_MOD_FC_DEREG_INT_D 17 /* FIB function controls */ #define ZPCI_FIB_FC_ENABLED 0x80 @@ -51,16 +53,7 @@ #define ZPCI_FIB_FC_LS_BLOCKED 0x20 #define ZPCI_FIB_FC_DMAAS_REG 0x10 -/* Function Information Block */ -struct zpci_fib { - u32 fmt : 8; /* format */ - u32 : 24; - u32 : 32; - u8 fc; /* function controls */ - u64 : 56; - u64 pba; /* PCI base address */ - u64 pal; /* PCI address limit */ - u64 iota; /* I/O Translation Anchor */ +struct zpci_fib_fmt0 { u32 : 1; u32 isc : 3; /* Interrupt subclass */ u32 noi : 12; /* Number of interrupts */ @@ -72,16 +65,75 @@ struct zpci_fib { u32 : 32; u64 aibv; /* Adapter int bit vector address */ u64 aisb; /* Adapter int summary bit address */ +}; + +struct zpci_fib_fmt1 { + u32 : 4; + u32 noi : 12; + u32 : 16; + u32 dibvo : 16; + u32 : 16; + u64 : 64; + u64 : 64; +}; + +/* Function Information Block */ +struct zpci_fib { + u32 fmt : 8; /* format */ + u32 : 24; + u32 : 32; + u8 fc; /* function controls */ + u64 : 56; + u64 pba; /* PCI base address */ + u64 pal; /* PCI address limit */ + u64 iota; /* I/O Translation Anchor */ + union { + struct zpci_fib_fmt0 fmt0; + struct zpci_fib_fmt1 fmt1; + }; u64 fmb_addr; /* Function measurement block address and key */ u32 : 32; u32 gd; } __packed __aligned(8); +/* directed interruption information block */ +struct zpci_diib { + u32 : 1; + u32 isc : 3; + u32 : 28; + u16 : 16; + u16 nr_cpus; + u64 disb_addr; + u64 : 64; + u64 : 64; +} __packed __aligned(8); + +/* cpu directed interruption information block */ +struct zpci_cdiib { + u64 : 64; + u64 dibv_addr; + u64 : 64; + u64 : 64; + u64 : 64; +} __packed __aligned(8); + +union zpci_sic_iib { + struct zpci_diib diib; + struct zpci_cdiib cdiib; +}; + u8 zpci_mod_fc(u64 req, struct zpci_fib *fib, u8 *status); int zpci_refresh_trans(u64 fn, u64 addr, u64 range); int zpci_load(u64 *data, u64 req, u64 offset); int zpci_store(u64 data, u64 req, u64 offset); int zpci_store_block(const u64 *data, u64 req, u64 offset); -int zpci_set_irq_ctrl(u16 ctl, char *unused, u8 isc); +int __zpci_set_irq_ctrl(u16 ctl, u8 isc, union zpci_sic_iib *iib); + +static inline int zpci_set_irq_ctrl(u16 ctl, u8 isc) +{ + union zpci_sic_iib iib = {{0}}; + + return __zpci_set_irq_ctrl(ctl, isc, &iib); +} #endif |