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/* * linux/include/asm/qdio.h * * Linux for S/390 QDIO base support, Hipersocket base support * version 2 * * Copyright 2000,2002 IBM Corporation * Author(s): Utz Bacher <utz.bacher@de.ibm.com> * */ #ifndef __QDIO_H__ #define __QDIO_H__ #define VERSION_QDIO_H "$Revision: 1.1.1.1 $" /* note, that most of the typedef's are from ingo. */ #include <linux/interrupt.h> #include <asm/irq.h> //#define QDIO_DBF_LIKE_HELL #define QDIO_NAME "qdio " #define QDIO_VERBOSE_LEVEL 9 #ifndef CONFIG_ARCH_S390X #define QDIO_32_BIT #endif /* CONFIG_ARCH_S390X */ #define QDIO_USE_PROCESSING_STATE #ifdef CONFIG_QDIO_PERF_STATS #define QDIO_PERFORMANCE_STATS #endif /* CONFIG_QDIO_PERF_STATS */ /**** CONSTANTS, that are relied on without using these symbols *****/ #define QDIO_MAX_QUEUES_PER_IRQ 32 /* used in width of unsigned int */ /************************ END of CONSTANTS **************************/ #define QDIO_MAX_BUFFERS_PER_Q 128 /* must be a power of 2 (%x=&(x-1)*/ #define QDIO_BUF_ORDER 7 /* 2**this == number of pages used for sbals in 1 q */ #define QDIO_MAX_ELEMENTS_PER_BUFFER 16 #define SBAL_SIZE 256 #define IQDIO_FILL_LEVEL_TO_POLL (QDIO_MAX_BUFFERS_PER_Q*4/3) #define TIQDIO_THININT_ISC 3 #define TIQDIO_DELAY_TARGET 0 #define QDIO_BUSY_BIT_PATIENCE 2000 /* in microsecs */ #define IQDIO_GLOBAL_LAPS 2 /* GLOBAL_LAPS are not used as we */ #define IQDIO_GLOBAL_LAPS_INT 1 /* dont global summary */ #define IQDIO_LOCAL_LAPS 4 #define IQDIO_LOCAL_LAPS_INT 1 #define IQDIO_GLOBAL_SUMMARY_CC_MASK 2 /*#define IQDIO_IQDC_INT_PARM 0x1234*/ #define QDIO_Q_LAPS 5 #define QDIO_STORAGE_ACC_KEY 0 #define L2_CACHELINE_SIZE 256 #define INDICATORS_PER_CACHELINE (L2_CACHELINE_SIZE/sizeof(__u32)) #define QDIO_PERF "qdio_perf" /* must be a power of 2 */ /*#define QDIO_STATS_NUMBER 4 #define QDIO_STATS_CLASSES 2 #define QDIO_STATS_COUNT_NEEDED 2*/ #define QDIO_ACTIVATE_DELAY 5 /* according to brenton belmar and paul gioquindo it can take up to 5ms before queues are really active */ #define QDIO_NO_USE_COUNT_TIME 10 #define QDIO_NO_USE_COUNT_TIMEOUT 1000 /* wait for 1 sec on each q before exiting without having use_count of the queue to 0 */ #define QDIO_ESTABLISH_TIMEOUT 1000 #define QDIO_ACTIVATE_TIMEOUT 100 #define QDIO_CLEANUP_CLEAR_TIMEOUT 20000 #define QDIO_CLEANUP_HALT_TIMEOUT 10000 #define QDIO_BH AURORA_BH #define QDIO_IRQ_BUCKETS 256 /* heavy..., but does only use a few bytes, but be rather faster in cases of collisions (if there really is a collision, it is on every (traditional) interrupt and every do_QDIO, so we rather are generous */ #define QDIO_QETH_QFMT 0 #define QDIO_ZFCP_QFMT 1 #define QDIO_IQDIO_QFMT 2 #define QDIO_IRQ_STATE_FRESH 0 /* must be 0 -> memset has set it to 0 */ #define QDIO_IRQ_STATE_INACTIVE 1 #define QDIO_IRQ_STATE_ESTABLISHED 2 #define QDIO_IRQ_STATE_ACTIVE 3 #define QDIO_IRQ_STATE_STOPPED 4 /* used as intparm in do_IO: */ #define QDIO_DOING_SENSEID 0 #define QDIO_DOING_ESTABLISH 1 #define QDIO_DOING_ACTIVATE 2 #define QDIO_DOING_CLEANUP 3 /************************* DEBUG FACILITY STUFF *********************/ /* #define QDIO_DBF_LIKE_HELL */ #define QDIO_DBF_HEX(ex,name,level,addr,len) \ do { \ if (ex) \ debug_exception(qdio_dbf_##name,level,(void*)(addr),len); \ else \ debug_event(qdio_dbf_##name,level,(void*)(addr),len); \ } while (0) #define QDIO_DBF_TEXT(ex,name,level,text) \ do { \ if (ex) \ debug_text_exception(qdio_dbf_##name,level,text); \ else \ debug_text_event(qdio_dbf_##name,level,text); \ } while (0) #define QDIO_DBF_HEX0(ex,name,addr,len) QDIO_DBF_HEX(ex,name,0,addr,len) #define QDIO_DBF_HEX1(ex,name,addr,len) QDIO_DBF_HEX(ex,name,1,addr,len) #define QDIO_DBF_HEX2(ex,name,addr,len) QDIO_DBF_HEX(ex,name,2,addr,len) #define QDIO_DBF_HEX3(ex,name,addr,len) QDIO_DBF_HEX(ex,name,3,addr,len) #define QDIO_DBF_HEX4(ex,name,addr,len) QDIO_DBF_HEX(ex,name,4,addr,len) #define QDIO_DBF_HEX5(ex,name,addr,len) QDIO_DBF_HEX(ex,name,5,addr,len) #define QDIO_DBF_HEX6(ex,name,addr,len) QDIO_DBF_HEX(ex,name,6,addr,len) #ifdef QDIO_DBF_LIKE_HELL #endif /* QDIO_DBF_LIKE_HELL */ #if 0 #define QDIO_DBF_HEX0(ex,name,addr,len) do {} while (0) #define QDIO_DBF_HEX1(ex,name,addr,len) do {} while (0) #define QDIO_DBF_HEX2(ex,name,addr,len) do {} while (0) #ifndef QDIO_DBF_LIKE_HELL #define QDIO_DBF_HEX3(ex,name,addr,len) do {} while (0) #define QDIO_DBF_HEX4(ex,name,addr,len) do {} while (0) #define QDIO_DBF_HEX5(ex,name,addr,len) do {} while (0) #define QDIO_DBF_HEX6(ex,name,addr,len) do {} while (0) #endif /* QDIO_DBF_LIKE_HELL */ #endif /* 0 */ #define QDIO_DBF_TEXT0(ex,name,text) QDIO_DBF_TEXT(ex,name,0,text) #define QDIO_DBF_TEXT1(ex,name,text) QDIO_DBF_TEXT(ex,name,1,text) #define QDIO_DBF_TEXT2(ex,name,text) QDIO_DBF_TEXT(ex,name,2,text) #define QDIO_DBF_TEXT3(ex,name,text) QDIO_DBF_TEXT(ex,name,3,text) #define QDIO_DBF_TEXT4(ex,name,text) QDIO_DBF_TEXT(ex,name,4,text) #define QDIO_DBF_TEXT5(ex,name,text) QDIO_DBF_TEXT(ex,name,5,text) #define QDIO_DBF_TEXT6(ex,name,text) QDIO_DBF_TEXT(ex,name,6,text) #ifdef QDIO_DBF_LIKE_HELL #endif /* QDIO_DBF_LIKE_HELL */ #if 0 #define QDIO_DBF_TEXT0(ex,name,text) do {} while (0) #define QDIO_DBF_TEXT1(ex,name,text) do {} while (0) #define QDIO_DBF_TEXT2(ex,name,text) do {} while (0) #ifndef QDIO_DBF_LIKE_HELL #define QDIO_DBF_TEXT3(ex,name,text) do {} while (0) #define QDIO_DBF_TEXT4(ex,name,text) do {} while (0) #define QDIO_DBF_TEXT5(ex,name,text) do {} while (0) #define QDIO_DBF_TEXT6(ex,name,text) do {} while (0) #endif /* QDIO_DBF_LIKE_HELL */ #endif /* 0 */ #define QDIO_DBF_SETUP_NAME "qdio_setup" #define QDIO_DBF_SETUP_LEN 8 #define QDIO_DBF_SETUP_INDEX 2 #define QDIO_DBF_SETUP_NR_AREAS 1 #ifdef QDIO_DBF_LIKE_HELL #define QDIO_DBF_SETUP_LEVEL 6 #else /* QDIO_DBF_LIKE_HELL */ #define QDIO_DBF_SETUP_LEVEL 2 #endif /* QDIO_DBF_LIKE_HELL */ #define QDIO_DBF_SBAL_NAME "qdio_labs" /* sbal */ #define QDIO_DBF_SBAL_LEN 256 #define QDIO_DBF_SBAL_INDEX 2 #define QDIO_DBF_SBAL_NR_AREAS 2 #ifdef QDIO_DBF_LIKE_HELL #define QDIO_DBF_SBAL_LEVEL 6 #else /* QDIO_DBF_LIKE_HELL */ #define QDIO_DBF_SBAL_LEVEL 2 #endif /* QDIO_DBF_LIKE_HELL */ #define QDIO_DBF_TRACE_NAME "qdio_trace" #define QDIO_DBF_TRACE_LEN 8 #define QDIO_DBF_TRACE_NR_AREAS 2 #ifdef QDIO_DBF_LIKE_HELL #define QDIO_DBF_TRACE_INDEX 4 #define QDIO_DBF_TRACE_LEVEL 4 /* -------- could be even more verbose here */ #else /* QDIO_DBF_LIKE_HELL */ #define QDIO_DBF_TRACE_INDEX 2 #define QDIO_DBF_TRACE_LEVEL 2 #endif /* QDIO_DBF_LIKE_HELL */ #define QDIO_DBF_SENSE_NAME "qdio_sense" #define QDIO_DBF_SENSE_LEN 64 #define QDIO_DBF_SENSE_INDEX 1 #define QDIO_DBF_SENSE_NR_AREAS 1 #ifdef QDIO_DBF_LIKE_HELL #define QDIO_DBF_SENSE_LEVEL 6 #else /* QDIO_DBF_LIKE_HELL */ #define QDIO_DBF_SENSE_LEVEL 2 #endif /* QDIO_DBF_LIKE_HELL */ #ifdef QDIO_DBF_LIKE_HELL #define QDIO_TRACE_QTYPE QDIO_ZFCP_QFMT #define QDIO_DBF_SLSB_OUT_NAME "qdio_slsb_out" #define QDIO_DBF_SLSB_OUT_LEN QDIO_MAX_BUFFERS_PER_Q #define QDIO_DBF_SLSB_OUT_INDEX 8 #define QDIO_DBF_SLSB_OUT_NR_AREAS 1 #define QDIO_DBF_SLSB_OUT_LEVEL 6 #define QDIO_DBF_SLSB_IN_NAME "qdio_slsb_in" #define QDIO_DBF_SLSB_IN_LEN QDIO_MAX_BUFFERS_PER_Q #define QDIO_DBF_SLSB_IN_INDEX 8 #define QDIO_DBF_SLSB_IN_NR_AREAS 1 #define QDIO_DBF_SLSB_IN_LEVEL 6 #endif /* QDIO_DBF_LIKE_HELL */ /****************** END OF DEBUG FACILITY STUFF *********************/ typedef struct qdio_buffer_element_t { unsigned int flags; unsigned int length; #ifdef QDIO_32_BIT void *reserved; #endif /* QDIO_32_BIT */ void *addr; } __attribute__ ((packed,aligned(16))) qdio_buffer_element_t; typedef struct qdio_buffer_t { volatile qdio_buffer_element_t element[16]; } __attribute__ ((packed,aligned(256))) qdio_buffer_t; /* params are: irq, status, qdio_error, siga_error, queue_number, first element processed, number of elements processed, int_parm */ typedef void qdio_handler_t(int,unsigned int,unsigned int,unsigned int, unsigned int,int,int,unsigned long); #define QDIO_STATUS_INBOUND_INT 0x01 #define QDIO_STATUS_OUTBOUND_INT 0x02 #define QDIO_STATUS_LOOK_FOR_ERROR 0x04 #define QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR 0x08 #define QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR 0x10 #define QDIO_STATUS_ACTIVATE_CHECK_CONDITION 0x20 #define QDIO_SIGA_ERROR_ACCESS_EXCEPTION 0x10 #define QDIO_SIGA_ERROR_B_BIT_SET 0x20 /* for qdio_initialize */ #define QDIO_INBOUND_0COPY_SBALS 0x01 #define QDIO_OUTBOUND_0COPY_SBALS 0x02 #define QDIO_USE_OUTBOUND_PCIS 0x04 #define QDIO_PFIX 0x08 /* for qdio_cleanup */ #define QDIO_FLAG_CLEANUP_USING_CLEAR 0x01 #define QDIO_FLAG_CLEANUP_USING_HALT 0x02 typedef struct qdio_initialize_t { int irq; unsigned char q_format; unsigned char adapter_name[8]; unsigned int qib_param_field_format; /*adapter dependent*/ /* pointer to 128 bytes or NULL, if no param field */ unsigned char *qib_param_field; /* adapter dependent */ /* pointer to no_queues*128 words of data or NULL */ unsigned long *input_slib_elements; unsigned long *output_slib_elements; unsigned int min_input_threshold; unsigned int max_input_threshold; unsigned int min_output_threshold; unsigned int max_output_threshold; unsigned int no_input_qs; unsigned int no_output_qs; qdio_handler_t *input_handler; qdio_handler_t *output_handler; unsigned long int_parm; unsigned long flags; void **input_sbal_addr_array; /* addr of n*128 void ptrs */ void **output_sbal_addr_array; /* addr of n*128 void ptrs */ } qdio_initialize_t; extern int qdio_initialize(qdio_initialize_t *init_data); extern int qdio_activate(int irq,int flags); #define QDIO_STATE_MUST_USE_OUTB_PCI 0x00000001 #define QDIO_STATE_INACTIVE 0x00000002 /* after qdio_cleanup */ #define QDIO_STATE_ESTABLISHED 0x00000004 /* after qdio_initialize */ #define QDIO_STATE_ACTIVE 0x00000008 /* after qdio_activate */ #define QDIO_STATE_STOPPED 0x00000010 /* after queues went down */ extern unsigned long qdio_get_status(int irq); #define QDIO_FLAG_SYNC_INPUT 0x01 #define QDIO_FLAG_SYNC_OUTPUT 0x02 #define QDIO_FLAG_UNDER_INTERRUPT 0x04 #define QDIO_FLAG_NO_INPUT_INTERRUPT_CONTEXT 0x08 /* no effect on adapter interrupts */ #define QDIO_FLAG_DONT_SIGA 0x10 extern int do_QDIO(int irq,unsigned int flags, unsigned int queue_number, unsigned int qidx,unsigned int count, qdio_buffer_t *buffers); extern int qdio_synchronize(int irq,unsigned int flags, unsigned int queue_number); extern int qdio_cleanup(int irq,int how); extern unsigned char qdio_get_slsb_state(int irq,unsigned int flag, unsigned int queue_number, unsigned int qidx); /* * QDIO device commands returned by extended Sense-ID */ #define DEFAULT_ESTABLISH_QS_CMD 0x1b #define DEFAULT_ESTABLISH_QS_COUNT 0x1000 #define DEFAULT_ACTIVATE_QS_CMD 0x1f #define DEFAULT_ACTIVATE_QS_COUNT 0 typedef struct _qdio_cmds { unsigned char rcd; /* read configuration data */ unsigned short count_rcd; unsigned char sii; /* set interface identifier */ unsigned short count_sii; unsigned char rni; /* read node identifier */ unsigned short count_rni; unsigned char eq; /* establish QDIO queues */ unsigned short count_eq; unsigned char aq; /* activate QDIO queues */ unsigned short count_aq; } qdio_cmds_t; /* * additional CIWs returned by extended Sense-ID */ #define CIW_TYPE_EQUEUE 0x3 /* establish QDIO queues */ #define CIW_TYPE_AQUEUE 0x4 /* activate QDIO queues */ typedef struct _qdesfmt0 { #ifdef QDIO_32_BIT unsigned long res1; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long sliba; /* storage-list-information-block address */ #ifdef QDIO_32_BIT unsigned long res2; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long sla; /* storage-list address */ #ifdef QDIO_32_BIT unsigned long res3; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long slsba; /* storage-list-state-block address */ unsigned int res4; /* reserved */ unsigned int akey : 4; /* access key for DLIB */ unsigned int bkey : 4; /* access key for SL */ unsigned int ckey : 4; /* access key for SBALs */ unsigned int dkey : 4; /* access key for SLSB */ unsigned int res5 : 16; /* reserved */ } __attribute__ ((packed)) qdesfmt0_t; /* * Queue-Description record (QDR) */ typedef struct _qdr { unsigned int qfmt : 8; /* queue format */ unsigned int pfmt : 8; /* impl. dep. parameter format */ unsigned int res1 : 8; /* reserved */ unsigned int ac : 8; /* adapter characteristics */ unsigned int res2 : 8; /* reserved */ unsigned int iqdcnt : 8; /* input-queue-descriptor count */ unsigned int res3 : 8; /* reserved */ unsigned int oqdcnt : 8; /* output-queue-descriptor count */ unsigned int res4 : 8; /* reserved */ unsigned int iqdsz : 8; /* input-queue-descriptor size */ unsigned int res5 : 8; /* reserved */ unsigned int oqdsz : 8; /* output-queue-descriptor size */ unsigned int res6[9]; /* reserved */ #ifdef QDIO_32_BIT unsigned long res7; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long qiba; /* queue-information-block address */ unsigned int res8; /* reserved */ unsigned int qkey : 4; /* queue-informatio-block key */ unsigned int res9 : 28; /* reserved */ /* union _qd {*/ /* why this? */ qdesfmt0_t qdf0[126]; /* } qd;*/ } __attribute__ ((packed,aligned(4096))) qdr_t; /* * queue information block (QIB) */ #define QIB_AC_INBOUND_PCI_SUPPORTED 0x80 #define QIB_AC_OUTBOUND_PCI_SUPPORTED 0x40 typedef struct _qib { unsigned int qfmt : 8; /* queue format */ unsigned int pfmt : 8; /* impl. dep. parameter format */ unsigned int res1 : 8; /* reserved */ unsigned int ac : 8; /* adapter characteristics */ unsigned int res2; /* reserved */ #ifdef QDIO_32_BIT unsigned long res3; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long isliba; /* absolute address of 1st input SLIB */ #ifdef QDIO_32_BIT unsigned long res4; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long osliba; /* absolute address of 1st output SLIB */ unsigned int res5; /* reserved */ unsigned int res6; /* reserved */ unsigned char ebcnam[8]; /* adapter identifier in EBCDIC */ unsigned char res7[88]; /* reserved */ unsigned char parm[QDIO_MAX_BUFFERS_PER_Q]; /* implementation dependent parameters */ } __attribute__ ((packed,aligned(256))) qib_t; /* * storage-list-information block element (SLIBE) */ typedef struct _slibe { #ifdef QDIO_32_BIT unsigned long res; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long parms; /* implementation dependent parameters */ } slibe_t; /* * storage-list-information block (SLIB) */ typedef struct _slib { #ifdef QDIO_32_BIT unsigned long res1; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long nsliba; /* next SLIB address (if any) */ #ifdef QDIO_32_BIT unsigned long res2; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long sla; /* SL address */ #ifdef QDIO_32_BIT unsigned long res3; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long slsba; /* SLSB address */ unsigned char res4[1000]; /* reserved */ slibe_t slibe[QDIO_MAX_BUFFERS_PER_Q]; /* SLIB elements */ } __attribute__ ((packed,aligned(2048))) slib_t; typedef struct _sbal_flags { unsigned char res1 : 1; /* reserved */ unsigned char last : 1; /* last entry */ unsigned char cont : 1; /* contiguous storage */ unsigned char res2 : 1; /* reserved */ unsigned char frag : 2; /* fragmentation (s.below) */ unsigned char res3 : 2; /* reserved */ } __attribute__ ((packed)) sbal_flags_t; #define SBAL_FLAGS_FIRST_FRAG 0x04000000UL #define SBAL_FLAGS_MIDDLE_FRAG 0x08000000UL #define SBAL_FLAGS_LAST_FRAG 0x0c000000UL #define SBAL_FLAGS_LAST_ENTRY 0x40000000UL #define SBAL_FLAGS_CONTIGUOUS 0x20000000UL #define SBAL_FLAGS0_DATA_CONTINUATION 0x20UL /* Awesome FCP extensions */ #define SBAL_FLAGS0_TYPE_STATUS 0x00UL #define SBAL_FLAGS0_TYPE_WRITE 0x08UL #define SBAL_FLAGS0_TYPE_READ 0x10UL #define SBAL_FLAGS0_TYPE_WRITE_READ 0x18UL #define SBAL_FLAGS0_MORE_SBALS 0x04UL #define SBAL_FLAGS0_COMMAND 0x02UL #define SBAL_FLAGS0_LAST_SBAL 0x00UL #define SBAL_FLAGS0_ONLY_SBAL SBAL_FLAGS0_COMMAND #define SBAL_FLAGS0_MIDDLE_SBAL SBAL_FLAGS0_MORE_SBALS #define SBAL_FLAGS0_FIRST_SBAL SBAL_FLAGS0_MORE_SBALS | SBAL_FLAGS0_COMMAND /* Naught of interest beyond this point */ #define SBAL_FLAGS0_PCI 0x40 typedef struct _sbal_sbalf_0 { unsigned char res1 : 1; /* reserved */ unsigned char pci : 1; /* PCI indicator */ unsigned char cont : 1; /* data continuation */ unsigned char sbtype: 2; /* storage-block type (FCP) */ unsigned char res2 : 3; /* reserved */ } __attribute__ ((packed)) sbal_sbalf_0_t; typedef struct _sbal_sbalf_1 { unsigned char res1 : 4; /* reserved */ unsigned char key : 4; /* storage key */ } __attribute__ ((packed)) sbal_sbalf_1_t; typedef struct _sbal_sbalf_14 { unsigned char res1 : 4; /* reserved */ unsigned char erridx : 4; /* error index */ } __attribute__ ((packed)) sbal_sbalf_14_t; typedef struct _sbal_sbalf_15 { unsigned char reason; /* reserved */ } __attribute__ ((packed)) sbal_sbalf_15_t; typedef union _sbal_sbalf { sbal_sbalf_0_t i0; sbal_sbalf_1_t i1; sbal_sbalf_14_t i14; sbal_sbalf_15_t i15; unsigned char value; } sbal_sbalf_t; typedef struct _sbale { union { sbal_flags_t bits; /* flags */ unsigned char value; } flags; unsigned int res1 : 16; /* reserved */ sbal_sbalf_t sbalf; /* SBAL flags */ unsigned int res2 : 16; /* reserved */ unsigned int count : 16; /* data count */ #ifdef QDIO_32_BIT unsigned long res3; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long addr; /* absolute data address */ } __attribute__ ((packed,aligned(16))) sbal_element_t; /* * strorage-block access-list (SBAL) */ typedef struct _sbal { sbal_element_t element[QDIO_MAX_ELEMENTS_PER_BUFFER]; } __attribute__ ((packed,aligned(256))) sbal_t; /* * storage-list (SL) */ typedef struct _sl_element { #ifdef QDIO_32_BIT unsigned long res; /* reserved */ #endif /* QDIO_32_BIT */ unsigned long sbal; /* absolute SBAL address */ } __attribute__ ((packed)) sl_element_t; typedef struct _sl { sl_element_t element[QDIO_MAX_BUFFERS_PER_Q]; } __attribute__ ((packed,aligned(1024))) sl_t; /* * storage-list-state block (SLSB) */ /*typedef struct _slsb_val {*/ /* unsigned char value; */ /* SLSB entry as a single byte value */ /*} __attribute__ ((packed)) slsb_val_t;*/ typedef struct _slsb_flags { unsigned char owner : 2; /* SBAL owner */ unsigned char type : 1; /* buffer type */ unsigned char state : 5; /* processing state */ } __attribute__ ((packed)) slsb_flags_t; typedef struct _slsb { union _acc { unsigned char val[QDIO_MAX_BUFFERS_PER_Q]; slsb_flags_t flags[QDIO_MAX_BUFFERS_PER_Q]; } acc; } __attribute__ ((packed,aligned(256))) slsb_t; /* * SLSB values */ #define SLSB_OWNER_PROG 1 #define SLSB_OWNER_CU 2 #define SLSB_TYPE_INPUT 0 #define SLSB_TYPE_OUTPUT 1 #define SLSB_STATE_NOT_INIT 0 #define SLSB_STATE_EMPTY 1 #define SLSB_STATE_PRIMED 2 #define SLSB_STATE_HALTED 0xe #define SLSB_STATE_ERROR 0xf #define SLSB_P_INPUT_NOT_INIT 0x80 #define SLSB_P_INPUT_PROCESSING 0x81 #define SLSB_CU_INPUT_EMPTY 0x41 #define SLSB_P_INPUT_PRIMED 0x82 #define SLSB_P_INPUT_HALTED 0x8E #define SLSB_P_INPUT_ERROR 0x8F #define SLSB_P_OUTPUT_NOT_INIT 0xA0 #define SLSB_P_OUTPUT_EMPTY 0xA1 #define SLSB_CU_OUTPUT_PRIMED 0x62 #define SLSB_P_OUTPUT_HALTED 0xAE #define SLSB_P_OUTPUT_ERROR 0xAF #define SLSB_ERROR_DURING_LOOKUP 0xFF typedef struct qdio_q_t { volatile slsb_t slsb; __u32 * volatile dev_st_chg_ind; int is_input_q; int is_0copy_sbals_q; unsigned int is_iqdio_q; unsigned int is_thinint_q; /* bit 0 means queue 0, bit 1 means queue 1, ... */ unsigned int mask; unsigned int q_no; qdio_handler_t (*handler); /* points to the next buffer to be checked for having * been processed by the card (outbound) * or to the next buffer the program should check for (inbound) */ volatile int first_to_check; /* and the last time it was: */ volatile int last_move_ftc; atomic_t number_of_buffers_used; atomic_t polling; unsigned int siga_in; unsigned int siga_out; unsigned int siga_sync; unsigned int siga_sync_done_on_thinints; unsigned int siga_sync_done_on_outb_tis; unsigned int hydra_gives_outbound_pcis; /* used to save beginning position when calling dd_handlers */ int first_element_to_kick; atomic_t use_count; atomic_t is_in_shutdown; int irq; void *irq_ptr; #ifdef QDIO_USE_TIMERS_FOR_POLLING struct timer_list timer; atomic_t timer_already_set; spinlock_t timer_lock; #else /* QDIO_USE_TIMERS_FOR_POLLING */ struct tasklet_struct tasklet; #endif /* QDIO_USE_TIMERS_FOR_POLLING */ unsigned int state; /* used to store the error condition during a data transfer */ unsigned int qdio_error; unsigned int siga_error; unsigned int error_status_flags; /* list of interesting queues */ volatile struct qdio_q_t *list_next; volatile struct qdio_q_t *list_prev; slib_t *slib; /* a page is allocated under this pointer, sl points into this page, offset PAGE_SIZE/2 (after slib) */ sl_t *sl; volatile sbal_t *sbal[QDIO_MAX_BUFFERS_PER_Q]; qdio_buffer_t *qdio_buffers[QDIO_MAX_BUFFERS_PER_Q]; unsigned long int_parm; /*struct { int in_bh_check_limit; int threshold; } threshold_classes[QDIO_STATS_CLASSES];*/ struct { /* inbound: the time to stop polling outbound: the time to kick peer */ int threshold; /* the real value */ /* outbound: last time of do_QDIO inbound: last time of noticing incoming data */ /*__u64 last_transfer_times[QDIO_STATS_NUMBER]; int last_transfer_index; */ __u64 last_transfer_time; } timing; unsigned int queue_type; } __attribute__ ((aligned(256))) qdio_q_t; typedef struct qdio_irq_t { __u32 * volatile dev_st_chg_ind; unsigned long int_parm; int irq; unsigned int is_iqdio_irq; unsigned int is_thinint_irq; unsigned int hydra_gives_outbound_pcis; unsigned int sync_done_on_outb_pcis; unsigned int state; spinlock_t setting_up_lock; unsigned int no_input_qs; unsigned int no_output_qs; unsigned char qdioac; qdio_q_t *input_qs[QDIO_MAX_QUEUES_PER_IRQ]; qdio_q_t *output_qs[QDIO_MAX_QUEUES_PER_IRQ]; ccw1_t ccw; int io_result_cstat; int io_result_dstat; int io_result_flags; atomic_t interrupt_has_arrived; atomic_t interrupt_has_been_cleaned; wait_queue_head_t wait_q; qdr_t *qdr; qdio_cmds_t commands; qib_t qib; io_handler_func_t original_int_handler; unsigned long other_flags; /* e.g. QDIO_PFIX */ struct qdio_irq_t *next; } qdio_irq_t; #define QDIO_CHSC_RESPONSE_CODE_OK 1 /* flags for st qdio sch data */ #define CHSC_FLAG_QDIO_CAPABILITY 0x80 #define CHSC_FLAG_VALIDITY 0x40 #define CHSC_FLAG_SIGA_INPUT_NECESSARY 0x40 #define CHSC_FLAG_SIGA_OUTPUT_NECESSARY 0x20 #define CHSC_FLAG_SIGA_SYNC_NECESSARY 0x10 #define CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS 0x08 #define CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS 0x04 typedef struct qdio_chsc_area_t { struct { /* word 0 */ __u16 command_code1; __u16 command_code2; /* word 1 */ __u16 operation_code; __u16 first_sch; /* word 2 */ __u8 reserved1; __u8 image_id; __u16 last_sch; /* word 3 */ __u32 reserved2; /* word 4 */ union { struct { /* word 4&5 */ __u64 summary_indicator_addr; /* word 6&7 */ __u64 subchannel_indicator_addr; /* word 8 */ int ks:4; int kc:4; int reserved1:21; int isc:3; /* word 9&10 */ __u32 reserved2[2]; /* word 11 */ __u32 subsystem_id; /* word 12-1015 */ __u32 reserved3[1004]; } __attribute__ ((packed,aligned(4))) set_chsc; struct { /* word 4&5 */ __u32 reserved1[2]; /* word 6 */ __u32 delay_target; /* word 7-1015 */ __u32 reserved4[1009]; } __attribute__ ((packed,aligned(4))) set_chsc_fast; struct { /* word 0 */ __u16 length; __u16 response_code; /* word 1 */ __u32 reserved1; /* words 2 to 9 for st sch qdio data */ __u8 flags; __u8 reserved2; __u16 sch; __u8 qfmt; __u8 reserved3; __u8 qdioac; __u8 sch_class; __u8 reserved4; __u8 icnt; __u8 reserved5; __u8 ocnt; /* plus 5 words of reserved fields */ } __attribute__ ((packed,aligned(8))) store_qdio_data_response; } operation_data_area; } __attribute__ ((packed,aligned(8))) request_block; struct { /* word 0 */ __u16 length; __u16 response_code; /* word 1 */ __u32 reserved1; } __attribute__ ((packed,aligned(8))) response_block; } __attribute__ ((packed,aligned(PAGE_SIZE))) qdio_chsc_area_t; #define QDIO_PRINTK_HEADER QDIO_NAME ": " #if QDIO_VERBOSE_LEVEL>8 #define QDIO_PRINT_STUPID(x...) printk( KERN_DEBUG QDIO_PRINTK_HEADER x) #else #define QDIO_PRINT_STUPID(x...) #endif #if QDIO_VERBOSE_LEVEL>7 #define QDIO_PRINT_ALL(x...) printk( QDIO_PRINTK_HEADER x) #else #define QDIO_PRINT_ALL(x...) #endif #if QDIO_VERBOSE_LEVEL>6 #define QDIO_PRINT_INFO(x...) printk( QDIO_PRINTK_HEADER x) #else #define QDIO_PRINT_INFO(x...) #endif #if QDIO_VERBOSE_LEVEL>5 #define QDIO_PRINT_WARN(x...) printk( QDIO_PRINTK_HEADER x) #else #define QDIO_PRINT_WARN(x...) #endif #if QDIO_VERBOSE_LEVEL>4 #define QDIO_PRINT_ERR(x...) printk( QDIO_PRINTK_HEADER x) #else #define QDIO_PRINT_ERR(x...) #endif #if QDIO_VERBOSE_LEVEL>3 #define QDIO_PRINT_CRIT(x...) printk( QDIO_PRINTK_HEADER x) #else #define QDIO_PRINT_CRIT(x...) #endif #if QDIO_VERBOSE_LEVEL>2 #define QDIO_PRINT_ALERT(x...) printk( QDIO_PRINTK_HEADER x) #else #define QDIO_PRINT_ALERT(x...) #endif #if QDIO_VERBOSE_LEVEL>1 #define QDIO_PRINT_EMERG(x...) printk( QDIO_PRINTK_HEADER x) #else #define QDIO_PRINT_EMERG(x...) #endif #endif /* __QDIO_H__ */