diff options
Diffstat (limited to 'include')
34 files changed, 1111 insertions, 154 deletions
diff --git a/include/asm-s390/Kbuild b/include/asm-s390/Kbuild index 13c9805349f1..09f312501eb5 100644 --- a/include/asm-s390/Kbuild +++ b/include/asm-s390/Kbuild @@ -8,6 +8,9 @@ header-y += ucontext.h header-y += vtoc.h header-y += zcrypt.h header-y += kvm.h +header-y += schid.h +header-y += chsc.h unifdef-y += cmb.h unifdef-y += debug.h +unifdef-y += chpid.h diff --git a/include/asm-s390/airq.h b/include/asm-s390/airq.h index 41d028cb52a4..1ac80d6b0588 100644 --- a/include/asm-s390/airq.h +++ b/include/asm-s390/airq.h @@ -13,7 +13,7 @@ typedef void (*adapter_int_handler_t)(void *, void *); -void *s390_register_adapter_interrupt(adapter_int_handler_t, void *); -void s390_unregister_adapter_interrupt(void *); +void *s390_register_adapter_interrupt(adapter_int_handler_t, void *, u8); +void s390_unregister_adapter_interrupt(void *, u8); #endif /* _ASM_S390_AIRQ_H */ diff --git a/include/asm-s390/ccwdev.h b/include/asm-s390/ccwdev.h index 066aa70518ce..ba007d8df941 100644 --- a/include/asm-s390/ccwdev.h +++ b/include/asm-s390/ccwdev.h @@ -12,6 +12,7 @@ #include <linux/device.h> #include <linux/mod_devicetable.h> +#include <asm/fcx.h> /* structs from asm/cio.h */ struct irb; @@ -157,6 +158,17 @@ extern int ccw_device_start_timeout_key(struct ccw_device *, struct ccw1 *, extern int ccw_device_resume(struct ccw_device *); extern int ccw_device_halt(struct ccw_device *, unsigned long); extern int ccw_device_clear(struct ccw_device *, unsigned long); +int ccw_device_tm_start_key(struct ccw_device *cdev, struct tcw *tcw, + unsigned long intparm, u8 lpm, u8 key); +int ccw_device_tm_start_key(struct ccw_device *, struct tcw *, + unsigned long, u8, u8); +int ccw_device_tm_start_timeout_key(struct ccw_device *, struct tcw *, + unsigned long, u8, u8, int); +int ccw_device_tm_start(struct ccw_device *, struct tcw *, + unsigned long, u8); +int ccw_device_tm_start_timeout(struct ccw_device *, struct tcw *, + unsigned long, u8, int); +int ccw_device_tm_intrg(struct ccw_device *cdev); extern int ccw_device_set_online(struct ccw_device *cdev); extern int ccw_device_set_offline(struct ccw_device *cdev); diff --git a/include/asm-s390/chpid.h b/include/asm-s390/chpid.h index b203336fd892..606844d0a5c3 100644 --- a/include/asm-s390/chpid.h +++ b/include/asm-s390/chpid.h @@ -10,7 +10,6 @@ #include <linux/string.h> #include <asm/types.h> -#include <asm/cio.h> #define __MAX_CHPID 255 @@ -41,6 +40,9 @@ static inline void chp_id_next(struct chp_id *chpid) } } +#ifdef __KERNEL__ +#include <asm/cio.h> + static inline int chp_id_is_valid(struct chp_id *chpid) { return (chpid->cssid <= __MAX_CSSID); @@ -49,5 +51,6 @@ static inline int chp_id_is_valid(struct chp_id *chpid) #define chp_id_for_each(c) \ for (chp_id_init(c); chp_id_is_valid(c); chp_id_next(c)) +#endif /* __KERNEL */ #endif /* _ASM_S390_CHPID_H */ diff --git a/include/asm-s390/chsc.h b/include/asm-s390/chsc.h new file mode 100644 index 000000000000..d38d0cf62d4b --- /dev/null +++ b/include/asm-s390/chsc.h @@ -0,0 +1,127 @@ +/* + * ioctl interface for /dev/chsc + * + * Copyright 2008 IBM Corp. + * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> + */ + +#ifndef _ASM_CHSC_H +#define _ASM_CHSC_H + +#include <asm/chpid.h> +#include <asm/schid.h> + +struct chsc_async_header { + __u16 length; + __u16 code; + __u32 cmd_dependend; + __u32 key : 4; + __u32 : 28; + struct subchannel_id sid; +} __attribute__ ((packed)); + +struct chsc_async_area { + struct chsc_async_header header; + __u8 data[PAGE_SIZE - 16 /* size of chsc_async_header */]; +} __attribute__ ((packed)); + + +struct chsc_response_struct { + __u16 length; + __u16 code; + __u32 parms; + __u8 data[PAGE_SIZE - 8]; +} __attribute__ ((packed)); + +struct chsc_chp_cd { + struct chp_id chpid; + int m; + int fmt; + struct chsc_response_struct cpcb; +}; + +struct chsc_cu_cd { + __u16 cun; + __u8 cssid; + int m; + int fmt; + struct chsc_response_struct cucb; +}; + +struct chsc_sch_cud { + struct subchannel_id schid; + int fmt; + struct chsc_response_struct scub; +}; + +struct conf_id { + int m; + __u8 cssid; + __u8 ssid; +}; + +struct chsc_conf_info { + struct conf_id id; + int fmt; + struct chsc_response_struct scid; +}; + +struct ccl_parm_chpid { + int m; + struct chp_id chp; +}; + +struct ccl_parm_cssids { + __u8 f_cssid; + __u8 l_cssid; +}; + +struct chsc_comp_list { + struct { + enum { + CCL_CU_ON_CHP = 1, + CCL_CHP_TYPE_CAP = 2, + CCL_CSS_IMG = 4, + CCL_CSS_IMG_CONF_CHAR = 5, + CCL_IOP_CHP = 6, + } ctype; + int fmt; + struct ccl_parm_chpid chpid; + struct ccl_parm_cssids cssids; + } req; + struct chsc_response_struct sccl; +}; + +struct chsc_dcal { + struct { + enum { + DCAL_CSS_IID_PN = 4, + } atype; + __u32 list_parm[2]; + int fmt; + } req; + struct chsc_response_struct sdcal; +}; + +struct chsc_cpd_info { + struct chp_id chpid; + int m; + int fmt; + int rfmt; + int c; + struct chsc_response_struct chpdb; +}; + +#define CHSC_IOCTL_MAGIC 'c' + +#define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area) +#define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \ + struct chsc_chp_cd) +#define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd) +#define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud) +#define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info) +#define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list) +#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info) +#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal) + +#endif diff --git a/include/asm-s390/cio.h b/include/asm-s390/cio.h index 0818ecd30ca6..6dccb071aec3 100644 --- a/include/asm-s390/cio.h +++ b/include/asm-s390/cio.h @@ -16,7 +16,7 @@ #define __MAX_CSSID 0 /** - * struct scsw - subchannel status word + * struct cmd_scsw - command-mode subchannel status word * @key: subchannel key * @sctl: suspend control * @eswf: esw format @@ -38,7 +38,7 @@ * @cstat: subchannel status * @count: residual count */ -struct scsw { +struct cmd_scsw { __u32 key : 4; __u32 sctl : 1; __u32 eswf : 1; @@ -61,6 +61,114 @@ struct scsw { __u32 count : 16; } __attribute__ ((packed)); +/** + * struct tm_scsw - transport-mode subchannel status word + * @key: subchannel key + * @eswf: esw format + * @cc: deferred condition code + * @fmt: format + * @x: IRB-format control + * @q: interrogate-complete + * @ectl: extended control + * @pno: path not operational + * @fctl: function control + * @actl: activity control + * @stctl: status control + * @tcw: TCW address + * @dstat: device status + * @cstat: subchannel status + * @fcxs: FCX status + * @schxs: subchannel-extended status + */ +struct tm_scsw { + u32 key:4; + u32 :1; + u32 eswf:1; + u32 cc:2; + u32 fmt:3; + u32 x:1; + u32 q:1; + u32 :1; + u32 ectl:1; + u32 pno:1; + u32 :1; + u32 fctl:3; + u32 actl:7; + u32 stctl:5; + u32 tcw; + u32 dstat:8; + u32 cstat:8; + u32 fcxs:8; + u32 schxs:8; +} __attribute__ ((packed)); + +/** + * union scsw - subchannel status word + * @cmd: command-mode SCSW + * @tm: transport-mode SCSW + */ +union scsw { + struct cmd_scsw cmd; + struct tm_scsw tm; +} __attribute__ ((packed)); + +int scsw_is_tm(union scsw *scsw); +u32 scsw_key(union scsw *scsw); +u32 scsw_eswf(union scsw *scsw); +u32 scsw_cc(union scsw *scsw); +u32 scsw_ectl(union scsw *scsw); +u32 scsw_pno(union scsw *scsw); +u32 scsw_fctl(union scsw *scsw); +u32 scsw_actl(union scsw *scsw); +u32 scsw_stctl(union scsw *scsw); +u32 scsw_dstat(union scsw *scsw); +u32 scsw_cstat(union scsw *scsw); +int scsw_is_solicited(union scsw *scsw); +int scsw_is_valid_key(union scsw *scsw); +int scsw_is_valid_eswf(union scsw *scsw); +int scsw_is_valid_cc(union scsw *scsw); +int scsw_is_valid_ectl(union scsw *scsw); +int scsw_is_valid_pno(union scsw *scsw); +int scsw_is_valid_fctl(union scsw *scsw); +int scsw_is_valid_actl(union scsw *scsw); +int scsw_is_valid_stctl(union scsw *scsw); +int scsw_is_valid_dstat(union scsw *scsw); +int scsw_is_valid_cstat(union scsw *scsw); +int scsw_cmd_is_valid_key(union scsw *scsw); +int scsw_cmd_is_valid_sctl(union scsw *scsw); +int scsw_cmd_is_valid_eswf(union scsw *scsw); +int scsw_cmd_is_valid_cc(union scsw *scsw); +int scsw_cmd_is_valid_fmt(union scsw *scsw); +int scsw_cmd_is_valid_pfch(union scsw *scsw); +int scsw_cmd_is_valid_isic(union scsw *scsw); +int scsw_cmd_is_valid_alcc(union scsw *scsw); +int scsw_cmd_is_valid_ssi(union scsw *scsw); +int scsw_cmd_is_valid_zcc(union scsw *scsw); +int scsw_cmd_is_valid_ectl(union scsw *scsw); +int scsw_cmd_is_valid_pno(union scsw *scsw); +int scsw_cmd_is_valid_fctl(union scsw *scsw); +int scsw_cmd_is_valid_actl(union scsw *scsw); +int scsw_cmd_is_valid_stctl(union scsw *scsw); +int scsw_cmd_is_valid_dstat(union scsw *scsw); +int scsw_cmd_is_valid_cstat(union scsw *scsw); +int scsw_cmd_is_solicited(union scsw *scsw); +int scsw_tm_is_valid_key(union scsw *scsw); +int scsw_tm_is_valid_eswf(union scsw *scsw); +int scsw_tm_is_valid_cc(union scsw *scsw); +int scsw_tm_is_valid_fmt(union scsw *scsw); +int scsw_tm_is_valid_x(union scsw *scsw); +int scsw_tm_is_valid_q(union scsw *scsw); +int scsw_tm_is_valid_ectl(union scsw *scsw); +int scsw_tm_is_valid_pno(union scsw *scsw); +int scsw_tm_is_valid_fctl(union scsw *scsw); +int scsw_tm_is_valid_actl(union scsw *scsw); +int scsw_tm_is_valid_stctl(union scsw *scsw); +int scsw_tm_is_valid_dstat(union scsw *scsw); +int scsw_tm_is_valid_cstat(union scsw *scsw); +int scsw_tm_is_valid_fcxs(union scsw *scsw); +int scsw_tm_is_valid_schxs(union scsw *scsw); +int scsw_tm_is_solicited(union scsw *scsw); + #define SCSW_FCTL_CLEAR_FUNC 0x1 #define SCSW_FCTL_HALT_FUNC 0x2 #define SCSW_FCTL_START_FUNC 0x4 @@ -303,7 +411,7 @@ struct esw3 { * if applicable). */ struct irb { - struct scsw scsw; + union scsw scsw; union { struct esw0 esw0; struct esw1 esw1; diff --git a/include/asm-s390/elf.h b/include/asm-s390/elf.h index b3ac262c4582..3cad56923815 100644 --- a/include/asm-s390/elf.h +++ b/include/asm-s390/elf.h @@ -113,6 +113,9 @@ typedef s390_fp_regs elf_fpregset_t; typedef s390_regs elf_gregset_t; +typedef s390_fp_regs compat_elf_fpregset_t; +typedef s390_compat_regs compat_elf_gregset_t; + #include <linux/sched.h> /* for task_struct */ #include <asm/system.h> /* for save_access_regs */ #include <asm/mmu_context.h> @@ -123,6 +126,10 @@ typedef s390_regs elf_gregset_t; #define elf_check_arch(x) \ (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \ && (x)->e_ident[EI_CLASS] == ELF_CLASS) +#define compat_elf_check_arch(x) \ + (((x)->e_machine == EM_S390 || (x)->e_machine == EM_S390_OLD) \ + && (x)->e_ident[EI_CLASS] == ELF_CLASS) +#define compat_start_thread start_thread31 /* For SVR4/S390 the function pointer to be registered with `atexit` is passed in R14. */ @@ -131,6 +138,7 @@ typedef s390_regs elf_gregset_t; _r->gprs[14] = 0; \ } while (0) +#define CORE_DUMP_USE_REGSET #define USE_ELF_CORE_DUMP #define ELF_EXEC_PAGESIZE 4096 @@ -140,44 +148,6 @@ typedef s390_regs elf_gregset_t; that it will "exec", and that there is sufficient room for the brk. */ #define ELF_ET_DYN_BASE (STACK_TOP / 3 * 2) -/* Wow, the "main" arch needs arch dependent functions too.. :) */ - -/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is - now struct_user_regs, they are different) */ - -static inline int dump_regs(struct pt_regs *ptregs, elf_gregset_t *regs) -{ - memcpy(®s->psw, &ptregs->psw, sizeof(regs->psw)+sizeof(regs->gprs)); - save_access_regs(regs->acrs); - regs->orig_gpr2 = ptregs->orig_gpr2; - return 1; -} - -#define ELF_CORE_COPY_REGS(pr_reg, regs) dump_regs(regs, &pr_reg); - -static inline int dump_task_regs(struct task_struct *tsk, elf_gregset_t *regs) -{ - struct pt_regs *ptregs = task_pt_regs(tsk); - memcpy(®s->psw, &ptregs->psw, sizeof(regs->psw)+sizeof(regs->gprs)); - memcpy(regs->acrs, tsk->thread.acrs, sizeof(regs->acrs)); - regs->orig_gpr2 = ptregs->orig_gpr2; - return 1; -} - -#define ELF_CORE_COPY_TASK_REGS(tsk, regs) dump_task_regs(tsk, regs) - -static inline int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs) -{ - if (tsk == current) - save_fp_regs(fpregs); - else - memcpy(fpregs, &tsk->thread.fp_regs, sizeof(elf_fpregset_t)); - return 1; -} - -#define ELF_CORE_COPY_FPREGS(tsk, fpregs) dump_task_fpu(tsk, fpregs) - - /* This yields a mask that user programs can use to figure out what instruction set this CPU supports. */ @@ -204,7 +174,10 @@ do { \ set_personality(PER_SVR4); \ else if (current->personality != PER_LINUX32) \ set_personality(PER_LINUX); \ - clear_thread_flag(TIF_31BIT); \ + if ((ex).e_ident[EI_CLASS] == ELFCLASS32) \ + set_thread_flag(TIF_31BIT); \ + else \ + clear_thread_flag(TIF_31BIT); \ } while (0) #endif /* __s390x__ */ diff --git a/include/asm-s390/etr.h b/include/asm-s390/etr.h index b498f19bb9a7..80ef58c61970 100644 --- a/include/asm-s390/etr.h +++ b/include/asm-s390/etr.h @@ -122,7 +122,7 @@ struct etr_aib { } __attribute__ ((packed,aligned(8))); /* ETR interruption parameter */ -struct etr_interruption_parameter { +struct etr_irq_parm { unsigned int _pad0 : 8; unsigned int pc0 : 1; /* port 0 state change */ unsigned int pc1 : 1; /* port 1 state change */ @@ -213,7 +213,46 @@ static inline int etr_ptff(void *ptff_block, unsigned int func) #define ETR_PTFF_SGS 0x43 /* set gross steering rate */ /* Functions needed by the machine check handler */ -extern void etr_switch_to_local(void); -extern void etr_sync_check(void); +void etr_switch_to_local(void); +void etr_sync_check(void); + +/* STP interruption parameter */ +struct stp_irq_parm { + unsigned int _pad0 : 14; + unsigned int tsc : 1; /* Timing status change */ + unsigned int lac : 1; /* Link availability change */ + unsigned int tcpc : 1; /* Time control parameter change */ + unsigned int _pad2 : 15; +} __attribute__ ((packed)); + +#define STP_OP_SYNC 1 +#define STP_OP_CTRL 3 + +struct stp_sstpi { + unsigned int rsvd0; + unsigned int rsvd1 : 8; + unsigned int stratum : 8; + unsigned int vbits : 16; + unsigned int leaps : 16; + unsigned int tmd : 4; + unsigned int ctn : 4; + unsigned int rsvd2 : 3; + unsigned int c : 1; + unsigned int tst : 4; + unsigned int tzo : 16; + unsigned int dsto : 16; + unsigned int ctrl : 16; + unsigned int rsvd3 : 16; + unsigned int tto; + unsigned int rsvd4; + unsigned int ctnid[3]; + unsigned int rsvd5; + unsigned int todoff[4]; + unsigned int rsvd6[48]; +} __attribute__ ((packed)); + +/* Functions needed by the machine check handler */ +void stp_sync_check(void); +void stp_island_check(void); #endif /* __S390_ETR_H */ diff --git a/include/asm-s390/fcx.h b/include/asm-s390/fcx.h new file mode 100644 index 000000000000..8be1f3a58042 --- /dev/null +++ b/include/asm-s390/fcx.h @@ -0,0 +1,311 @@ +/* + * Functions for assembling fcx enabled I/O control blocks. + * + * Copyright IBM Corp. 2008 + * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> + */ + +#ifndef _ASM_S390_FCX_H +#define _ASM_S390_FCX_H _ASM_S390_FCX_H + +#include <linux/types.h> + +#define TCW_FORMAT_DEFAULT 0 +#define TCW_TIDAW_FORMAT_DEFAULT 0 +#define TCW_FLAGS_INPUT_TIDA 1 << (23 - 5) +#define TCW_FLAGS_TCCB_TIDA 1 << (23 - 6) +#define TCW_FLAGS_OUTPUT_TIDA 1 << (23 - 7) +#define TCW_FLAGS_TIDAW_FORMAT(x) ((x) & 3) << (23 - 9) +#define TCW_FLAGS_GET_TIDAW_FORMAT(x) (((x) >> (23 - 9)) & 3) + +/** + * struct tcw - Transport Control Word (TCW) + * @format: TCW format + * @flags: TCW flags + * @tccbl: Transport-Command-Control-Block Length + * @r: Read Operations + * @w: Write Operations + * @output: Output-Data Address + * @input: Input-Data Address + * @tsb: Transport-Status-Block Address + * @tccb: Transport-Command-Control-Block Address + * @output_count: Output Count + * @input_count: Input Count + * @intrg: Interrogate TCW Address + */ +struct tcw { + u32 format:2; + u32 :6; + u32 flags:24; + u32 :8; + u32 tccbl:6; + u32 r:1; + u32 w:1; + u32 :16; + u64 output; + u64 input; + u64 tsb; + u64 tccb; + u32 output_count; + u32 input_count; + u32 :32; + u32 :32; + u32 :32; + u32 intrg; +} __attribute__ ((packed, aligned(64))); + +#define TIDAW_FLAGS_LAST 1 << (7 - 0) +#define TIDAW_FLAGS_SKIP 1 << (7 - 1) +#define TIDAW_FLAGS_DATA_INT 1 << (7 - 2) +#define TIDAW_FLAGS_TTIC 1 << (7 - 3) +#define TIDAW_FLAGS_INSERT_CBC 1 << (7 - 4) + +/** + * struct tidaw - Transport-Indirect-Addressing Word (TIDAW) + * @flags: TIDAW flags. Can be an arithmetic OR of the following constants: + * %TIDAW_FLAGS_LAST, %TIDAW_FLAGS_SKIP, %TIDAW_FLAGS_DATA_INT, + * %TIDAW_FLAGS_TTIC, %TIDAW_FLAGS_INSERT_CBC + * @count: Count + * @addr: Address + */ +struct tidaw { + u32 flags:8; + u32 :24; + u32 count; + u64 addr; +} __attribute__ ((packed, aligned(16))); + +/** + * struct tsa_iostat - I/O-Status Transport-Status Area (IO-Stat TSA) + * @dev_time: Device Time + * @def_time: Defer Time + * @queue_time: Queue Time + * @dev_busy_time: Device-Busy Time + * @dev_act_time: Device-Active-Only Time + * @sense: Sense Data (if present) + */ +struct tsa_iostat { + u32 dev_time; + u32 def_time; + u32 queue_time; + u32 dev_busy_time; + u32 dev_act_time; + u8 sense[32]; +} __attribute__ ((packed)); + +/** + * struct tsa_ddpcs - Device-Detected-Program-Check Transport-Status Area (DDPC TSA) + * @rc: Reason Code + * @rcq: Reason Code Qualifier + * @sense: Sense Data (if present) + */ +struct tsa_ddpc { + u32 :24; + u32 rc:8; + u8 rcq[16]; + u8 sense[32]; +} __attribute__ ((packed)); + +#define TSA_INTRG_FLAGS_CU_STATE_VALID 1 << (7 - 0) +#define TSA_INTRG_FLAGS_DEV_STATE_VALID 1 << (7 - 1) +#define TSA_INTRG_FLAGS_OP_STATE_VALID 1 << (7 - 2) + +/** + * struct tsa_intrg - Interrogate Transport-Status Area (Intrg. TSA) + * @format: Format + * @flags: Flags. Can be an arithmetic OR of the following constants: + * %TSA_INTRG_FLAGS_CU_STATE_VALID, %TSA_INTRG_FLAGS_DEV_STATE_VALID, + * %TSA_INTRG_FLAGS_OP_STATE_VALID + * @cu_state: Controle-Unit State + * @dev_state: Device State + * @op_state: Operation State + * @sd_info: State-Dependent Information + * @dl_id: Device-Level Identifier + * @dd_data: Device-Dependent Data + */ +struct tsa_intrg { + u32 format:8; + u32 flags:8; + u32 cu_state:8; + u32 dev_state:8; + u32 op_state:8; + u32 :24; + u8 sd_info[12]; + u32 dl_id; + u8 dd_data[28]; +} __attribute__ ((packed)); + +#define TSB_FORMAT_NONE 0 +#define TSB_FORMAT_IOSTAT 1 +#define TSB_FORMAT_DDPC 2 +#define TSB_FORMAT_INTRG 3 + +#define TSB_FLAGS_DCW_OFFSET_VALID 1 << (7 - 0) +#define TSB_FLAGS_COUNT_VALID 1 << (7 - 1) +#define TSB_FLAGS_CACHE_MISS 1 << (7 - 2) +#define TSB_FLAGS_TIME_VALID 1 << (7 - 3) +#define TSB_FLAGS_FORMAT(x) ((x) & 7) +#define TSB_FORMAT(t) ((t)->flags & 7) + +/** + * struct tsb - Transport-Status Block (TSB) + * @length: Length + * @flags: Flags. Can be an arithmetic OR of the following constants: + * %TSB_FLAGS_DCW_OFFSET_VALID, %TSB_FLAGS_COUNT_VALID, %TSB_FLAGS_CACHE_MISS, + * %TSB_FLAGS_TIME_VALID + * @dcw_offset: DCW Offset + * @count: Count + * @tsa: Transport-Status-Area + */ +struct tsb { + u32 length:8; + u32 flags:8; + u32 dcw_offset:16; + u32 count; + u32 :32; + union { + struct tsa_iostat iostat; + struct tsa_ddpc ddpc; + struct tsa_intrg intrg; + } __attribute__ ((packed)) tsa; +} __attribute__ ((packed, aligned(8))); + +#define DCW_INTRG_FORMAT_DEFAULT 0 + +#define DCW_INTRG_RC_UNSPECIFIED 0 +#define DCW_INTRG_RC_TIMEOUT 1 + +#define DCW_INTRG_RCQ_UNSPECIFIED 0 +#define DCW_INTRG_RCQ_PRIMARY 1 +#define DCW_INTRG_RCQ_SECONDARY 2 + +#define DCW_INTRG_FLAGS_MPM 1 < (7 - 0) +#define DCW_INTRG_FLAGS_PPR 1 < (7 - 1) +#define DCW_INTRG_FLAGS_CRIT 1 < (7 - 2) + +/** + * struct dcw_intrg_data - Interrogate DCW data + * @format: Format. Should be %DCW_INTRG_FORMAT_DEFAULT + * @rc: Reason Code. Can be one of %DCW_INTRG_RC_UNSPECIFIED, + * %DCW_INTRG_RC_TIMEOUT + * @rcq: Reason Code Qualifier: Can be one of %DCW_INTRG_RCQ_UNSPECIFIED, + * %DCW_INTRG_RCQ_PRIMARY, %DCW_INTRG_RCQ_SECONDARY + * @lpm: Logical-Path Mask + * @pam: Path-Available Mask + * @pim: Path-Installed Mask + * @timeout: Timeout + * @flags: Flags. Can be an arithmetic OR of %DCW_INTRG_FLAGS_MPM, + * %DCW_INTRG_FLAGS_PPR, %DCW_INTRG_FLAGS_CRIT + * @time: Time + * @prog_id: Program Identifier + * @prog_data: Program-Dependent Data + */ +struct dcw_intrg_data { + u32 format:8; + u32 rc:8; + u32 rcq:8; + u32 lpm:8; + u32 pam:8; + u32 pim:8; + u32 timeout:16; + u32 flags:8; + u32 :24; + u32 :32; + u64 time; + u64 prog_id; + u8 prog_data[0]; +} __attribute__ ((packed)); + +#define DCW_FLAGS_CC 1 << (7 - 1) + +#define DCW_CMD_WRITE 0x01 +#define DCW_CMD_READ 0x02 +#define DCW_CMD_CONTROL 0x03 +#define DCW_CMD_SENSE 0x04 +#define DCW_CMD_SENSE_ID 0xe4 +#define DCW_CMD_INTRG 0x40 + +/** + * struct dcw - Device-Command Word (DCW) + * @cmd: Command Code. Can be one of %DCW_CMD_WRITE, %DCW_CMD_READ, + * %DCW_CMD_CONTROL, %DCW_CMD_SENSE, %DCW_CMD_SENSE_ID, %DCW_CMD_INTRG + * @flags: Flags. Can be an arithmetic OR of %DCW_FLAGS_CC + * @cd_count: Control-Data Count + * @count: Count + * @cd: Control Data + */ +struct dcw { + u32 cmd:8; + u32 flags:8; + u32 :8; + u32 cd_count:8; + u32 count; + u8 cd[0]; +} __attribute__ ((packed)); + +#define TCCB_FORMAT_DEFAULT 0x7f +#define TCCB_MAX_DCW 30 +#define TCCB_MAX_SIZE (sizeof(struct tccb_tcah) + \ + TCCB_MAX_DCW * sizeof(struct dcw) + \ + sizeof(struct tccb_tcat)) +#define TCCB_SAC_DEFAULT 0xf901 +#define TCCB_SAC_INTRG 0xf902 + +/** + * struct tccb_tcah - Transport-Command-Area Header (TCAH) + * @format: Format. Should be %TCCB_FORMAT_DEFAULT + * @tcal: Transport-Command-Area Length + * @sac: Service-Action Code. Can be one of %TCCB_SAC_DEFAULT, %TCCB_SAC_INTRG + * @prio: Priority + */ +struct tccb_tcah { + u32 format:8; + u32 :24; + u32 :24; + u32 tcal:8; + u32 sac:16; + u32 :8; + u32 prio:8; + u32 :32; +} __attribute__ ((packed)); + +/** + * struct tccb_tcat - Transport-Command-Area Trailer (TCAT) + * @count: Transport Count + */ +struct tccb_tcat { + u32 :32; + u32 count; +} __attribute__ ((packed)); + +/** + * struct tccb - (partial) Transport-Command-Control Block (TCCB) + * @tcah: TCAH + * @tca: Transport-Command Area + */ +struct tccb { + struct tccb_tcah tcah; + u8 tca[0]; +} __attribute__ ((packed, aligned(8))); + +struct tcw *tcw_get_intrg(struct tcw *tcw); +void *tcw_get_data(struct tcw *tcw); +struct tccb *tcw_get_tccb(struct tcw *tcw); +struct tsb *tcw_get_tsb(struct tcw *tcw); + +void tcw_init(struct tcw *tcw, int r, int w); +void tcw_finalize(struct tcw *tcw, int num_tidaws); + +void tcw_set_intrg(struct tcw *tcw, struct tcw *intrg_tcw); +void tcw_set_data(struct tcw *tcw, void *data, int use_tidal); +void tcw_set_tccb(struct tcw *tcw, struct tccb *tccb); +void tcw_set_tsb(struct tcw *tcw, struct tsb *tsb); + +void tccb_init(struct tccb *tccb, size_t tccb_size, u32 sac); +void tsb_init(struct tsb *tsb); +struct dcw *tccb_add_dcw(struct tccb *tccb, size_t tccb_size, u8 cmd, u8 flags, + void *cd, u8 cd_count, u32 count); +struct tidaw *tcw_add_tidaw(struct tcw *tcw, int num_tidaws, u8 flags, + void *addr, u32 count); + +#endif /* _ASM_S390_FCX_H */ diff --git a/include/asm-s390/ipl.h b/include/asm-s390/ipl.h index c1b2e50392bb..eaca6dff5405 100644 --- a/include/asm-s390/ipl.h +++ b/include/asm-s390/ipl.h @@ -56,15 +56,19 @@ struct ipl_block_fcp { u8 scp_data[]; } __attribute__((packed)); +#define DIAG308_VMPARM_SIZE 64 + struct ipl_block_ccw { - u8 load_param[8]; + u8 load_parm[8]; u8 reserved1[84]; u8 reserved2[2]; u16 devno; u8 vm_flags; u8 reserved3[3]; u32 vm_parm_len; - u8 reserved4[80]; + u8 nss_name[8]; + u8 vm_parm[DIAG308_VMPARM_SIZE]; + u8 reserved4[8]; } __attribute__((packed)); struct ipl_parameter_block { @@ -73,7 +77,7 @@ struct ipl_parameter_block { struct ipl_block_fcp fcp; struct ipl_block_ccw ccw; } ipl_info; -} __attribute__((packed)); +} __attribute__((packed,aligned(4096))); /* * IPL validity flags @@ -86,6 +90,8 @@ extern void do_reipl(void); extern void do_halt(void); extern void do_poff(void); extern void ipl_save_parameters(void); +extern void ipl_update_parameters(void); +extern void get_ipl_vmparm(char *); enum { IPL_DEVNO_VALID = 1, @@ -147,6 +153,11 @@ enum diag308_flags { DIAG308_FLAGS_LP_VALID = 0x80, }; +enum diag308_vm_flags { + DIAG308_VM_FLAGS_NSS_VALID = 0x80, + DIAG308_VM_FLAGS_VP_VALID = 0x40, +}; + enum diag308_rc { DIAG308_RC_OK = 1, }; diff --git a/include/asm-s390/isc.h b/include/asm-s390/isc.h new file mode 100644 index 000000000000..34bb8916db4f --- /dev/null +++ b/include/asm-s390/isc.h @@ -0,0 +1,25 @@ +#ifndef _ASM_S390_ISC_H +#define _ASM_S390_ISC_H + +#include <linux/types.h> + +/* + * I/O interruption subclasses used by drivers. + * Please add all used iscs here so that it is possible to distribute + * isc usage between drivers. + * Reminder: 0 is highest priority, 7 lowest. + */ +#define MAX_ISC 7 + +/* Regular I/O interrupts. */ +#define IO_SCH_ISC 3 /* regular I/O subchannels */ +#define CONSOLE_ISC 1 /* console I/O subchannel */ +#define CHSC_SCH_ISC 7 /* CHSC subchannels */ +/* Adapter interrupts. */ +#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */ + +/* Functions for registration of I/O interruption subclasses */ +void isc_register(unsigned int isc); +void isc_unregister(unsigned int isc); + +#endif /* _ASM_S390_ISC_H */ diff --git a/include/asm-s390/itcw.h b/include/asm-s390/itcw.h new file mode 100644 index 000000000000..a9bc5c36b32a --- /dev/null +++ b/include/asm-s390/itcw.h @@ -0,0 +1,30 @@ +/* + * Functions for incremental construction of fcx enabled I/O control blocks. + * + * Copyright IBM Corp. 2008 + * Author(s): Peter Oberparleiter <peter.oberparleiter@de.ibm.com> + */ + +#ifndef _ASM_S390_ITCW_H +#define _ASM_S390_ITCW_H _ASM_S390_ITCW_H + +#include <linux/types.h> +#include <asm/fcx.h> + +#define ITCW_OP_READ 0 +#define ITCW_OP_WRITE 1 + +struct itcw; + +struct tcw *itcw_get_tcw(struct itcw *itcw); +size_t itcw_calc_size(int intrg, int max_tidaws, int intrg_max_tidaws); +struct itcw *itcw_init(void *buffer, size_t size, int op, int intrg, + int max_tidaws, int intrg_max_tidaws); +struct dcw *itcw_add_dcw(struct itcw *itcw, u8 cmd, u8 flags, void *cd, + u8 cd_count, u32 count); +struct tidaw *itcw_add_tidaw(struct itcw *itcw, u8 flags, void *addr, + u32 count); +void itcw_set_data(struct itcw *itcw, void *addr, int use_tidal); +void itcw_finalize(struct itcw *itcw); + +#endif /* _ASM_S390_ITCW_H */ diff --git a/include/asm-s390/pgtable.h b/include/asm-s390/pgtable.h index bd0ea191dfa9..0bdb704ae051 100644 --- a/include/asm-s390/pgtable.h +++ b/include/asm-s390/pgtable.h @@ -29,6 +29,7 @@ * the S390 page table tree. */ #ifndef __ASSEMBLY__ +#include <linux/sched.h> #include <linux/mm_types.h> #include <asm/bitops.h> #include <asm/bug.h> diff --git a/include/asm-s390/processor.h b/include/asm-s390/processor.h index a00f79dd323b..4af80af2a88f 100644 --- a/include/asm-s390/processor.h +++ b/include/asm-s390/processor.h @@ -143,11 +143,19 @@ struct stack_frame { /* * Do necessary setup to start up a new thread. */ -#define start_thread(regs, new_psw, new_stackp) do { \ +#define start_thread(regs, new_psw, new_stackp) do { \ set_fs(USER_DS); \ regs->psw.mask = psw_user_bits; \ - regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ - regs->gprs[15] = new_stackp ; \ + regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ + regs->gprs[15] = new_stackp; \ +} while (0) + +#define start_thread31(regs, new_psw, new_stackp) do { \ + set_fs(USER_DS); \ + regs->psw.mask = psw_user32_bits; \ + regs->psw.addr = new_psw | PSW_ADDR_AMODE; \ + regs->gprs[15] = new_stackp; \ + crst_table_downgrade(current->mm, 1UL << 31); \ } while (0) /* Forward declaration, a strange C thing */ @@ -328,16 +336,6 @@ extern void (*s390_base_mcck_handler_fn)(void); extern void (*s390_base_pgm_handler_fn)(void); extern void (*s390_base_ext_handler_fn)(void); -/* - * CPU idle notifier chain. - */ -#define S390_CPU_IDLE 0 -#define S390_CPU_NOT_IDLE 1 - -struct notifier_block; -int register_idle_notifier(struct notifier_block *nb); -int unregister_idle_notifier(struct notifier_block *nb); - #define ARCH_LOW_ADDRESS_LIMIT 0x7fffffffUL #endif diff --git a/include/asm-s390/ptrace.h b/include/asm-s390/ptrace.h index d7d4e2eb3e6f..af2c9ac28a07 100644 --- a/include/asm-s390/ptrace.h +++ b/include/asm-s390/ptrace.h @@ -215,6 +215,12 @@ typedef struct unsigned long addr; } __attribute__ ((aligned(8))) psw_t; +typedef struct +{ + __u32 mask; + __u32 addr; +} __attribute__ ((aligned(8))) psw_compat_t; + #ifndef __s390x__ #define PSW_MASK_PER 0x40000000UL @@ -292,6 +298,15 @@ typedef struct unsigned long orig_gpr2; } s390_regs; +typedef struct +{ + psw_compat_t psw; + __u32 gprs[NUM_GPRS]; + __u32 acrs[NUM_ACRS]; + __u32 orig_gpr2; +} s390_compat_regs; + + #ifdef __KERNEL__ #include <asm/setup.h> #include <asm/page.h> diff --git a/include/asm-s390/schid.h b/include/asm-s390/schid.h new file mode 100644 index 000000000000..5017ffa78e04 --- /dev/null +++ b/include/asm-s390/schid.h @@ -0,0 +1,28 @@ +#ifndef ASM_SCHID_H +#define ASM_SCHID_H + +struct subchannel_id { + __u32 cssid : 8; + __u32 : 4; + __u32 m : 1; + __u32 ssid : 2; + __u32 one : 1; + __u32 sch_no : 16; +} __attribute__ ((packed, aligned(4))); + + +/* Helper function for sane state of pre-allocated subchannel_id. */ +static inline void +init_subchannel_id(struct subchannel_id *schid) +{ + memset(schid, 0, sizeof(struct subchannel_id)); + schid->one = 1; +} + +static inline int +schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2) +{ + return !memcmp(schid1, schid2, sizeof(struct subchannel_id)); +} + +#endif /* ASM_SCHID_H */ diff --git a/include/asm-s390/sclp.h b/include/asm-s390/sclp.h index b5f2843013a3..fed7bee650a0 100644 --- a/include/asm-s390/sclp.h +++ b/include/asm-s390/sclp.h @@ -45,9 +45,9 @@ struct sclp_cpu_info { int sclp_get_cpu_info(struct sclp_cpu_info *info); int sclp_cpu_configure(u8 cpu); int sclp_cpu_deconfigure(u8 cpu); -void sclp_read_info_early(void); void sclp_facilities_detect(void); -unsigned long long sclp_memory_detect(void); +unsigned long long sclp_get_rnmax(void); +unsigned long long sclp_get_rzm(void); int sclp_sdias_blk_count(void); int sclp_sdias_copy(void *dest, int blk_num, int nr_blks); int sclp_chp_configure(struct chp_id chpid); diff --git a/include/asm-s390/setup.h b/include/asm-s390/setup.h index ba69674012a7..f09ee3f72977 100644 --- a/include/asm-s390/setup.h +++ b/include/asm-s390/setup.h @@ -8,14 +8,16 @@ #ifndef _ASM_S390_SETUP_H #define _ASM_S390_SETUP_H -#define COMMAND_LINE_SIZE 896 +#define COMMAND_LINE_SIZE 1024 + +#define ARCH_COMMAND_LINE_SIZE 896 #ifdef __KERNEL__ #include <asm/types.h> #define PARMAREA 0x10400 -#define MEMORY_CHUNKS 16 /* max 0x7fff */ +#define MEMORY_CHUNKS 256 #ifndef __ASSEMBLY__ @@ -36,12 +38,14 @@ struct mem_chunk { unsigned long addr; unsigned long size; - unsigned long type; + int type; }; extern struct mem_chunk memory_chunk[]; extern unsigned long real_memory_size; +void detect_memory_layout(struct mem_chunk chunk[]); + #ifdef CONFIG_S390_SWITCH_AMODE extern unsigned int switch_amode; #else @@ -61,7 +65,6 @@ extern unsigned long machine_flags; #define MACHINE_FLAG_VM (1UL << 0) #define MACHINE_FLAG_IEEE (1UL << 1) -#define MACHINE_FLAG_P390 (1UL << 2) #define MACHINE_FLAG_CSP (1UL << 3) #define MACHINE_FLAG_MVPG (1UL << 4) #define MACHINE_FLAG_DIAG44 (1UL << 5) @@ -97,7 +100,6 @@ extern unsigned long machine_flags; #define MACHINE_HAS_PFMF (machine_flags & MACHINE_FLAG_PFMF) #endif /* __s390x__ */ -#define MACHINE_HAS_SCLP (!MACHINE_IS_P390) #define ZFCPDUMP_HSA_SIZE (32UL<<20) /* diff --git a/include/asm-s390/sparsemem.h b/include/asm-s390/sparsemem.h index 06dfdab6c0e8..545d219e6a2d 100644 --- a/include/asm-s390/sparsemem.h +++ b/include/asm-s390/sparsemem.h @@ -1,15 +1,15 @@ #ifndef _ASM_S390_SPARSEMEM_H #define _ASM_S390_SPARSEMEM_H -#define SECTION_SIZE_BITS 25 - #ifdef CONFIG_64BIT +#define SECTION_SIZE_BITS 28 #define MAX_PHYSADDR_BITS 42 #define MAX_PHYSMEM_BITS 42 #else +#define SECTION_SIZE_BITS 25 #define MAX_PHYSADDR_BITS 31 #define MAX_PHYSMEM_BITS 31 diff --git a/include/asm-s390/timer.h b/include/asm-s390/timer.h index adb34860a543..d98d79e35cd6 100644 --- a/include/asm-s390/timer.h +++ b/include/asm-s390/timer.h @@ -48,6 +48,18 @@ extern int del_virt_timer(struct vtimer_list *timer); extern void init_cpu_vtimer(void); extern void vtime_init(void); +#ifdef CONFIG_VIRT_TIMER + +extern void vtime_start_cpu_timer(void); +extern void vtime_stop_cpu_timer(void); + +#else + +static inline void vtime_start_cpu_timer(void) { } +static inline void vtime_stop_cpu_timer(void) { } + +#endif /* CONFIG_VIRT_TIMER */ + #endif /* __KERNEL__ */ #endif /* _ASM_S390_TIMER_H */ diff --git a/include/asm-s390/zcrypt.h b/include/asm-s390/zcrypt.h index f228f1b86877..00d3bbd44117 100644 --- a/include/asm-s390/zcrypt.h +++ b/include/asm-s390/zcrypt.h @@ -29,7 +29,7 @@ #define ZCRYPT_VERSION 2 #define ZCRYPT_RELEASE 1 -#define ZCRYPT_VARIANT 0 +#define ZCRYPT_VARIANT 1 #include <linux/ioctl.h> #include <linux/compiler.h> diff --git a/include/linux/bio.h b/include/linux/bio.h index 61c15eaf3fb3..0933a14e6414 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -64,6 +64,7 @@ struct bio_vec { struct bio_set; struct bio; +struct bio_integrity_payload; typedef void (bio_end_io_t) (struct bio *, int); typedef void (bio_destructor_t) (struct bio *); @@ -112,6 +113,9 @@ struct bio { atomic_t bi_cnt; /* pin count */ void *bi_private; +#if defined(CONFIG_BLK_DEV_INTEGRITY) + struct bio_integrity_payload *bi_integrity; /* data integrity */ +#endif bio_destructor_t *bi_destructor; /* destructor */ }; @@ -271,6 +275,29 @@ static inline void *bio_data(struct bio *bio) */ #define bio_get(bio) atomic_inc(&(bio)->bi_cnt) +#if defined(CONFIG_BLK_DEV_INTEGRITY) +/* + * bio integrity payload + */ +struct bio_integrity_payload { + struct bio *bip_bio; /* parent bio */ + struct bio_vec *bip_vec; /* integrity data vector */ + + sector_t bip_sector; /* virtual start sector */ + + void *bip_buf; /* generated integrity data */ + bio_end_io_t *bip_end_io; /* saved I/O completion fn */ + + int bip_error; /* saved I/O error */ + unsigned int bip_size; + + unsigned short bip_pool; /* pool the ivec came from */ + unsigned short bip_vcnt; /* # of integrity bio_vecs */ + unsigned short bip_idx; /* current bip_vec index */ + + struct work_struct bip_work; /* I/O completion */ +}; +#endif /* CONFIG_BLK_DEV_INTEGRITY */ /* * A bio_pair is used when we need to split a bio. @@ -283,10 +310,14 @@ static inline void *bio_data(struct bio *bio) * in bio2.bi_private */ struct bio_pair { - struct bio bio1, bio2; - struct bio_vec bv1, bv2; - atomic_t cnt; - int error; + struct bio bio1, bio2; + struct bio_vec bv1, bv2; +#if defined(CONFIG_BLK_DEV_INTEGRITY) + struct bio_integrity_payload bip1, bip2; + struct bio_vec iv1, iv2; +#endif + atomic_t cnt; + int error; }; extern struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors); @@ -333,6 +364,39 @@ extern struct bio *bio_copy_user_iov(struct request_queue *, struct sg_iovec *, int, int); extern int bio_uncopy_user(struct bio *); void zero_fill_bio(struct bio *bio); +extern struct bio_vec *bvec_alloc_bs(gfp_t, int, unsigned long *, struct bio_set *); +extern unsigned int bvec_nr_vecs(unsigned short idx); + +/* + * bio_set is used to allow other portions of the IO system to + * allocate their own private memory pools for bio and iovec structures. + * These memory pools in turn all allocate from the bio_slab + * and the bvec_slabs[]. + */ +#define BIO_POOL_SIZE 2 +#define BIOVEC_NR_POOLS 6 + +struct bio_set { + mempool_t *bio_pool; +#if defined(CONFIG_BLK_DEV_INTEGRITY) + mempool_t *bio_integrity_pool; +#endif + mempool_t *bvec_pools[BIOVEC_NR_POOLS]; +}; + +struct biovec_slab { + int nr_vecs; + char *name; + struct kmem_cache *slab; +}; + +extern struct bio_set *fs_bio_set; + +/* + * a small number of entries is fine, not going to be performance critical. + * basically we just need to survive + */ +#define BIO_SPLIT_ENTRIES 2 #ifdef CONFIG_HIGHMEM /* @@ -381,5 +445,63 @@ static inline char *__bio_kmap_irq(struct bio *bio, unsigned short idx, __bio_kmap_irq((bio), (bio)->bi_idx, (flags)) #define bio_kunmap_irq(buf,flags) __bio_kunmap_irq(buf, flags) +#if defined(CONFIG_BLK_DEV_INTEGRITY) + +#define bip_vec_idx(bip, idx) (&(bip->bip_vec[(idx)])) +#define bip_vec(bip) bip_vec_idx(bip, 0) + +#define __bip_for_each_vec(bvl, bip, i, start_idx) \ + for (bvl = bip_vec_idx((bip), (start_idx)), i = (start_idx); \ + i < (bip)->bip_vcnt; \ + bvl++, i++) + +#define bip_for_each_vec(bvl, bip, i) \ + __bip_for_each_vec(bvl, bip, i, (bip)->bip_idx) + +static inline int bio_integrity(struct bio *bio) +{ +#if defined(CONFIG_BLK_DEV_INTEGRITY) + return bio->bi_integrity != NULL; +#else + return 0; +#endif +} + +extern struct bio_integrity_payload *bio_integrity_alloc_bioset(struct bio *, gfp_t, unsigned int, struct bio_set *); +extern struct bio_integrity_payload *bio_integrity_alloc(struct bio *, gfp_t, unsigned int); +extern void bio_integrity_free(struct bio *, struct bio_set *); +extern int bio_integrity_add_page(struct bio *, struct page *, unsigned int, unsigned int); +extern int bio_integrity_enabled(struct bio *bio); +extern int bio_integrity_set_tag(struct bio *, void *, unsigned int); +extern int bio_integrity_get_tag(struct bio *, void *, unsigned int); +extern int bio_integrity_prep(struct bio *); +extern void bio_integrity_endio(struct bio *, int); +extern void bio_integrity_advance(struct bio *, unsigned int); +extern void bio_integrity_trim(struct bio *, unsigned int, unsigned int); +extern void bio_integrity_split(struct bio *, struct bio_pair *, int); +extern int bio_integrity_clone(struct bio *, struct bio *, struct bio_set *); +extern int bioset_integrity_create(struct bio_set *, int); +extern void bioset_integrity_free(struct bio_set *); +extern void bio_integrity_init_slab(void); + +#else /* CONFIG_BLK_DEV_INTEGRITY */ + +#define bio_integrity(a) (0) +#define bioset_integrity_create(a, b) (0) +#define bio_integrity_prep(a) (0) +#define bio_integrity_enabled(a) (0) +#define bio_integrity_clone(a, b, c) (0) +#define bioset_integrity_free(a) do { } while (0) +#define bio_integrity_free(a, b) do { } while (0) +#define bio_integrity_endio(a, b) do { } while (0) +#define bio_integrity_advance(a, b) do { } while (0) +#define bio_integrity_trim(a, b, c) do { } while (0) +#define bio_integrity_split(a, b, c) do { } while (0) +#define bio_integrity_set_tag(a, b, c) do { } while (0) +#define bio_integrity_get_tag(a, b, c) do { } while (0) +#define bio_integrity_init_slab(a) do { } while (0) + +#endif /* CONFIG_BLK_DEV_INTEGRITY */ + #endif /* CONFIG_BLOCK */ #endif /* __LINUX_BIO_H */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index d2a1b71e93c3..1ffd8bfdc4c9 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -23,7 +23,6 @@ struct scsi_ioctl_command; struct request_queue; -typedef struct request_queue request_queue_t __deprecated; struct elevator_queue; typedef struct elevator_queue elevator_t; struct request_pm_state; @@ -34,12 +33,6 @@ struct sg_io_hdr; #define BLKDEV_MIN_RQ 4 #define BLKDEV_MAX_RQ 128 /* Default maximum */ -int put_io_context(struct io_context *ioc); -void exit_io_context(void); -struct io_context *get_io_context(gfp_t gfp_flags, int node); -struct io_context *alloc_io_context(gfp_t gfp_flags, int node); -void copy_io_context(struct io_context **pdst, struct io_context **psrc); - struct request; typedef void (rq_end_io_fn)(struct request *, int); @@ -113,6 +106,7 @@ enum rq_flag_bits { __REQ_ALLOCED, /* request came from our alloc pool */ __REQ_RW_META, /* metadata io request */ __REQ_COPY_USER, /* contains copies of user pages */ + __REQ_INTEGRITY, /* integrity metadata has been remapped */ __REQ_NR_BITS, /* stops here */ }; @@ -135,6 +129,7 @@ enum rq_flag_bits { #define REQ_ALLOCED (1 << __REQ_ALLOCED) #define REQ_RW_META (1 << __REQ_RW_META) #define REQ_COPY_USER (1 << __REQ_COPY_USER) +#define REQ_INTEGRITY (1 << __REQ_INTEGRITY) #define BLK_MAX_CDB 16 @@ -259,7 +254,14 @@ typedef int (prep_rq_fn) (struct request_queue *, struct request *); typedef void (unplug_fn) (struct request_queue *); struct bio_vec; -typedef int (merge_bvec_fn) (struct request_queue *, struct bio *, struct bio_vec *); +struct bvec_merge_data { + struct block_device *bi_bdev; + sector_t bi_sector; + unsigned bi_size; + unsigned long bi_rw; +}; +typedef int (merge_bvec_fn) (struct request_queue *, struct bvec_merge_data *, + struct bio_vec *); typedef void (prepare_flush_fn) (struct request_queue *, struct request *); typedef void (softirq_done_fn)(struct request *); typedef int (dma_drain_needed_fn)(struct request *); @@ -426,6 +428,32 @@ static inline void queue_flag_set_unlocked(unsigned int flag, __set_bit(flag, &q->queue_flags); } +static inline int queue_flag_test_and_clear(unsigned int flag, + struct request_queue *q) +{ + WARN_ON_ONCE(!queue_is_locked(q)); + + if (test_bit(flag, &q->queue_flags)) { + __clear_bit(flag, &q->queue_flags); + return 1; + } + + return 0; +} + +static inline int queue_flag_test_and_set(unsigned int flag, + struct request_queue *q) +{ + WARN_ON_ONCE(!queue_is_locked(q)); + + if (!test_bit(flag, &q->queue_flags)) { + __set_bit(flag, &q->queue_flags); + return 0; + } + + return 1; +} + static inline void queue_flag_set(unsigned int flag, struct request_queue *q) { WARN_ON_ONCE(!queue_is_locked(q)); @@ -676,7 +704,6 @@ extern int blk_execute_rq(struct request_queue *, struct gendisk *, struct request *, int); extern void blk_execute_rq_nowait(struct request_queue *, struct gendisk *, struct request *, int, rq_end_io_fn *); -extern int blk_verify_command(unsigned char *, int); extern void blk_unplug(struct request_queue *q); static inline struct request_queue *bdev_get_queue(struct block_device *bdev) @@ -749,6 +776,7 @@ extern void blk_queue_max_segment_size(struct request_queue *, unsigned int); extern void blk_queue_hardsect_size(struct request_queue *, unsigned short); extern void blk_queue_stack_limits(struct request_queue *t, struct request_queue *b); extern void blk_queue_dma_pad(struct request_queue *, unsigned int); +extern void blk_queue_update_dma_pad(struct request_queue *, unsigned int); extern int blk_queue_dma_drain(struct request_queue *q, dma_drain_needed_fn *dma_drain_needed, void *buf, unsigned int size); @@ -802,6 +830,15 @@ static inline struct request *blk_map_queue_find_tag(struct blk_queue_tag *bqt, extern int blkdev_issue_flush(struct block_device *, sector_t *); +/* +* command filter functions +*/ +extern int blk_verify_command(struct file *file, unsigned char *cmd); +extern int blk_cmd_filter_verify_command(struct blk_scsi_cmd_filter *filter, + unsigned char *cmd, mode_t *f_mode); +extern int blk_register_filter(struct gendisk *disk); +extern void blk_unregister_filter(struct gendisk *disk); + #define MAX_PHYS_SEGMENTS 128 #define MAX_HW_SEGMENTS 128 #define SAFE_MAX_SECTORS 255 @@ -865,28 +902,116 @@ void kblockd_flush_work(struct work_struct *work); #define MODULE_ALIAS_BLOCKDEV_MAJOR(major) \ MODULE_ALIAS("block-major-" __stringify(major) "-*") +#if defined(CONFIG_BLK_DEV_INTEGRITY) -#else /* CONFIG_BLOCK */ -/* - * stubs for when the block layer is configured out - */ -#define buffer_heads_over_limit 0 +#define INTEGRITY_FLAG_READ 2 /* verify data integrity on read */ +#define INTEGRITY_FLAG_WRITE 4 /* generate data integrity on write */ -static inline long nr_blockdev_pages(void) +struct blk_integrity_exchg { + void *prot_buf; + void *data_buf; + sector_t sector; + unsigned int data_size; + unsigned short sector_size; + const char *disk_name; +}; + +typedef void (integrity_gen_fn) (struct blk_integrity_exchg *); +typedef int (integrity_vrfy_fn) (struct blk_integrity_exchg *); +typedef void (integrity_set_tag_fn) (void *, void *, unsigned int); +typedef void (integrity_get_tag_fn) (void *, void *, unsigned int); + +struct blk_integrity { + integrity_gen_fn *generate_fn; + integrity_vrfy_fn *verify_fn; + integrity_set_tag_fn *set_tag_fn; + integrity_get_tag_fn *get_tag_fn; + + unsigned short flags; + unsigned short tuple_size; + unsigned short sector_size; + unsigned short tag_size; + + const char *name; + + struct kobject kobj; +}; + +extern int blk_integrity_register(struct gendisk *, struct blk_integrity *); +extern void blk_integrity_unregister(struct gendisk *); +extern int blk_integrity_compare(struct block_device *, struct block_device *); +extern int blk_rq_map_integrity_sg(struct request *, struct scatterlist *); +extern int blk_rq_count_integrity_sg(struct request *); + +static inline unsigned short blk_integrity_tuple_size(struct blk_integrity *bi) { + if (bi) + return bi->tuple_size; + return 0; } -static inline void exit_io_context(void) +static inline struct blk_integrity *bdev_get_integrity(struct block_device *bdev) { + return bdev->bd_disk->integrity; } -struct io_context; -static inline int put_io_context(struct io_context *ioc) +static inline unsigned int bdev_get_tag_size(struct block_device *bdev) { - return 1; + struct blk_integrity *bi = bdev_get_integrity(bdev); + + if (bi) + return bi->tag_size; + + return 0; +} + +static inline int bdev_integrity_enabled(struct block_device *bdev, int rw) +{ + struct blk_integrity *bi = bdev_get_integrity(bdev); + + if (bi == NULL) + return 0; + + if (rw == READ && bi->verify_fn != NULL && + (bi->flags & INTEGRITY_FLAG_READ)) + return 1; + + if (rw == WRITE && bi->generate_fn != NULL && + (bi->flags & INTEGRITY_FLAG_WRITE)) + return 1; + + return 0; } +static inline int blk_integrity_rq(struct request *rq) +{ + return bio_integrity(rq->bio); +} + +#else /* CONFIG_BLK_DEV_INTEGRITY */ + +#define blk_integrity_rq(rq) (0) +#define blk_rq_count_integrity_sg(a) (0) +#define blk_rq_map_integrity_sg(a, b) (0) +#define bdev_get_integrity(a) (0) +#define bdev_get_tag_size(a) (0) +#define blk_integrity_compare(a, b) (0) +#define blk_integrity_register(a, b) (0) +#define blk_integrity_unregister(a) do { } while (0); + +#endif /* CONFIG_BLK_DEV_INTEGRITY */ + +#else /* CONFIG_BLOCK */ +/* + * stubs for when the block layer is configured out + */ +#define buffer_heads_over_limit 0 + +static inline long nr_blockdev_pages(void) +{ + return 0; +} #endif /* CONFIG_BLOCK */ diff --git a/include/linux/blktrace_api.h b/include/linux/blktrace_api.h index e3ef903aae88..d084b8d227a5 100644 --- a/include/linux/blktrace_api.h +++ b/include/linux/blktrace_api.h @@ -129,6 +129,7 @@ struct blk_trace { u32 dev; struct dentry *dir; struct dentry *dropped_file; + struct dentry *msg_file; atomic_t dropped; }; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index ae7aec3cabee..e8787417f65a 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -110,6 +110,14 @@ struct hd_struct { #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 #define GENHD_FL_FAIL 64 +#define BLK_SCSI_MAX_CMDS (256) +#define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8)) + +struct blk_scsi_cmd_filter { + unsigned long read_ok[BLK_SCSI_CMD_PER_LONG]; + unsigned long write_ok[BLK_SCSI_CMD_PER_LONG]; + struct kobject kobj; +}; struct gendisk { int major; /* major number of driver */ @@ -120,6 +128,7 @@ struct gendisk { struct hd_struct **part; /* [indexed by minor] */ struct block_device_operations *fops; struct request_queue *queue; + struct blk_scsi_cmd_filter cmd_filter; void *private_data; sector_t capacity; @@ -141,6 +150,9 @@ struct gendisk { struct disk_stats dkstats; #endif struct work_struct async_notify; +#ifdef CONFIG_BLK_DEV_INTEGRITY + struct blk_integrity *integrity; +#endif }; /* diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h index 2b7a1187cb29..08b987bccf89 100644 --- a/include/linux/iocontext.h +++ b/include/linux/iocontext.h @@ -99,4 +99,22 @@ static inline struct io_context *ioc_task_link(struct io_context *ioc) return NULL; } +#ifdef CONFIG_BLOCK +int put_io_context(struct io_context *ioc); +void exit_io_context(void); +struct io_context *get_io_context(gfp_t gfp_flags, int node); +struct io_context *alloc_io_context(gfp_t gfp_flags, int node); +void copy_io_context(struct io_context **pdst, struct io_context **psrc); +#else +static inline void exit_io_context(void) +{ +} + +struct io_context; +static inline int put_io_context(struct io_context *ioc) +{ + return 1; +} +#endif + #endif diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 69b2342d5ebb..c4db5827963d 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -159,6 +159,15 @@ struct ap_device_id { #define AP_DEVICE_ID_MATCH_DEVICE_TYPE 0x01 +/* s390 css bus devices (subchannels) */ +struct css_device_id { + __u8 match_flags; + __u8 type; /* subchannel type */ + __u16 pad2; + __u32 pad3; + kernel_ulong_t driver_data; +}; + #define ACPI_ID_LEN 16 /* only 9 bytes needed here, 16 bytes are used */ /* to workaround crosscompile issues */ diff --git a/include/pcmcia/bulkmem.h b/include/pcmcia/bulkmem.h deleted file mode 100644 index 6bc7472293b2..000000000000 --- a/include/pcmcia/bulkmem.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * bulkmem.h -- Definitions for bulk memory services - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * The initial developer of the original code is David A. Hinds - * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds - * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. - * - * (C) 1999 David A. Hinds - */ - -#ifndef _LINUX_BULKMEM_H -#define _LINUX_BULKMEM_H - -/* For GetFirstRegion and GetNextRegion */ -typedef struct region_info_t { - u_int Attributes; - u_int CardOffset; - u_int RegionSize; - u_int AccessSpeed; - u_int BlockSize; - u_int PartMultiple; - u_char JedecMfr, JedecInfo; - memory_handle_t next; -} region_info_t; - -#define REGION_TYPE 0x0001 -#define REGION_TYPE_CM 0x0000 -#define REGION_TYPE_AM 0x0001 -#define REGION_PREFETCH 0x0008 -#define REGION_CACHEABLE 0x0010 -#define REGION_BAR_MASK 0xe000 -#define REGION_BAR_SHIFT 13 - -int pcmcia_get_first_region(struct pcmcia_device *handle, region_info_t *rgn); -int pcmcia_get_next_region(struct pcmcia_device *handle, region_info_t *rgn); - -#endif /* _LINUX_BULKMEM_H */ diff --git a/include/pcmcia/cistpl.h b/include/pcmcia/cistpl.h index d3bbb19caf81..e2e10c1e9a06 100644 --- a/include/pcmcia/cistpl.h +++ b/include/pcmcia/cistpl.h @@ -595,7 +595,7 @@ int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple); int pccard_parse_tuple(tuple_t *tuple, cisparse_t *parse); -int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, cisinfo_t *info); +int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, unsigned int *count); /* ... but use these wrappers instead */ #define pcmcia_get_first_tuple(p_dev, tuple) \ diff --git a/include/pcmcia/cs.h b/include/pcmcia/cs.h index 87a260e3699e..45d84b275789 100644 --- a/include/pcmcia/cs.h +++ b/include/pcmcia/cs.h @@ -373,9 +373,6 @@ struct pcmcia_socket; int pcmcia_access_configuration_register(struct pcmcia_device *p_dev, conf_reg_t *reg); int pcmcia_get_configuration_info(struct pcmcia_device *p_dev, config_info_t *config); -int pcmcia_get_first_window(window_handle_t *win, win_req_t *req); -int pcmcia_get_next_window(window_handle_t *win, win_req_t *req); -int pcmcia_get_status(struct pcmcia_device *p_dev, cs_status_t *status); int pcmcia_get_mem_page(window_handle_t win, memreq_t *req); int pcmcia_map_mem_page(window_handle_t win, memreq_t *req); int pcmcia_modify_configuration(struct pcmcia_device *p_dev, modconf_t *mod); diff --git a/include/pcmcia/cs_types.h b/include/pcmcia/cs_types.h index 9a6bcc4952f0..f402a0f435b4 100644 --- a/include/pcmcia/cs_types.h +++ b/include/pcmcia/cs_types.h @@ -21,7 +21,8 @@ #include <sys/types.h> #endif -#if defined(__arm__) || defined(__mips__) || defined(__avr32__) +#if defined(__arm__) || defined(__mips__) || defined(__avr32__) || \ + defined(__bfin__) /* This (ioaddr_t) is exposed to userspace & hence cannot be changed. */ typedef u_int ioaddr_t; #else @@ -33,9 +34,6 @@ typedef u_int event_t; typedef u_char cisdata_t; typedef u_short page_t; -struct pcmcia_device; -typedef struct pcmcia_device *client_handle_t; - struct window_t; typedef struct window_t *window_handle_t; diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h index f047a1fd64f8..b316027c853d 100644 --- a/include/pcmcia/ds.h +++ b/include/pcmcia/ds.h @@ -20,7 +20,6 @@ #include <linux/mod_devicetable.h> #endif -#include <pcmcia/bulkmem.h> #include <pcmcia/cs_types.h> #include <pcmcia/device_id.h> @@ -51,6 +50,24 @@ typedef struct mtd_info_t { u_int CardOffset; } mtd_info_t; +typedef struct region_info_t { + u_int Attributes; + u_int CardOffset; + u_int RegionSize; + u_int AccessSpeed; + u_int BlockSize; + u_int PartMultiple; + u_char JedecMfr, JedecInfo; + memory_handle_t next; +} region_info_t; +#define REGION_TYPE 0x0001 +#define REGION_TYPE_CM 0x0000 +#define REGION_TYPE_AM 0x0001 +#define REGION_PREFETCH 0x0008 +#define REGION_CACHEABLE 0x0010 +#define REGION_BAR_MASK 0xe000 +#define REGION_BAR_SHIFT 13 + typedef union ds_ioctl_arg_t { adjust_t adjust; config_info_t config; diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h index f95dca077c1c..ed919dd9bb5c 100644 --- a/include/pcmcia/ss.h +++ b/include/pcmcia/ss.h @@ -21,7 +21,6 @@ #include <pcmcia/cs_types.h> #include <pcmcia/cs.h> -#include <pcmcia/bulkmem.h> #ifdef CONFIG_CARDBUS #include <linux/pci.h> #endif @@ -136,8 +135,14 @@ struct pccard_resource_ops { struct resource* (*find_mem) (unsigned long base, unsigned long num, unsigned long align, int low, struct pcmcia_socket *s); - int (*adjust_resource) (struct pcmcia_socket *s, - adjust_t *adj); + int (*add_io) (struct pcmcia_socket *s, + unsigned int action, + unsigned long r_start, + unsigned long r_end); + int (*add_mem) (struct pcmcia_socket *s, + unsigned int action, + unsigned long r_start, + unsigned long r_end); int (*init) (struct pcmcia_socket *s); void (*exit) (struct pcmcia_socket *s); }; @@ -245,7 +250,6 @@ struct pcmcia_socket { struct task_struct *thread; struct completion thread_done; - wait_queue_head_t thread_wait; spinlock_t thread_lock; /* protects thread_events */ unsigned int thread_events; diff --git a/include/pcmcia/version.h b/include/pcmcia/version.h deleted file mode 100644 index 5ad9c5e198b6..000000000000 --- a/include/pcmcia/version.h +++ /dev/null @@ -1,3 +0,0 @@ -/* version.h 1.94 2000/10/03 17:55:48 (David Hinds) */ - -/* This file will be removed, please don't include it */ |