| #ifndef _CIO_QDIO_H |
| #define _CIO_QDIO_H |
| |
| #include <asm/page.h> |
| |
| #include "schid.h" |
| |
| #ifdef CONFIG_QDIO_DEBUG |
| #define QDIO_VERBOSE_LEVEL 9 |
| #else /* CONFIG_QDIO_DEBUG */ |
| #define QDIO_VERBOSE_LEVEL 5 |
| #endif /* CONFIG_QDIO_DEBUG */ |
| #define QDIO_USE_PROCESSING_STATE |
| |
| #define QDIO_MINIMAL_BH_RELIEF_TIME 16 |
| #define QDIO_TIMER_POLL_VALUE 1 |
| #define IQDIO_TIMER_POLL_VALUE 1 |
| |
| /* |
| * unfortunately this can't be (QDIO_MAX_BUFFERS_PER_Q*4/3) or so -- as |
| * we never know, whether we'll get initiative again, e.g. to give the |
| * transmit skb's back to the stack, however the stack may be waiting for |
| * them... therefore we define 4 as threshold to start polling (which |
| * will stop as soon as the asynchronous queue catches up) |
| * btw, this only applies to the asynchronous HiperSockets queue |
| */ |
| #define IQDIO_FILL_LEVEL_TO_POLL 4 |
| |
| #define TIQDIO_THININT_ISC 3 |
| #define TIQDIO_DELAY_TARGET 0 |
| #define QDIO_BUSY_BIT_PATIENCE 100 /* in microsecs */ |
| #define QDIO_BUSY_BIT_GIVE_UP 10000000 /* 10 seconds */ |
| #define IQDIO_GLOBAL_LAPS 2 /* GLOBAL_LAPS are not used as we */ |
| #define IQDIO_GLOBAL_LAPS_INT 1 /* don't 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_KEY PAGE_DEFAULT_KEY |
| |
| #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_NO_USE_COUNT_TIMEOUT (1*HZ) /* wait for 1 sec on each q before |
| exiting without having use_count |
| of the queue to 0 */ |
| |
| #define QDIO_ESTABLISH_TIMEOUT (1*HZ) |
| #define QDIO_ACTIVATE_TIMEOUT (5*HZ) |
| #define QDIO_CLEANUP_CLEAR_TIMEOUT (20*HZ) |
| #define QDIO_CLEANUP_HALT_TIMEOUT (10*HZ) |
| #define QDIO_FORCE_CHECK_TIMEOUT (10*HZ) |
| |
| enum qdio_irq_states { |
| QDIO_IRQ_STATE_INACTIVE, |
| QDIO_IRQ_STATE_ESTABLISHED, |
| QDIO_IRQ_STATE_ACTIVE, |
| QDIO_IRQ_STATE_STOPPED, |
| QDIO_IRQ_STATE_CLEANUP, |
| QDIO_IRQ_STATE_ERR, |
| NR_QDIO_IRQ_STATES, |
| }; |
| |
| /* 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_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) |
| #ifdef CONFIG_QDIO_DEBUG |
| #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) |
| #else /* CONFIG_QDIO_DEBUG */ |
| #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 /* CONFIG_QDIO_DEBUG */ |
| |
| #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) |
| #ifdef CONFIG_QDIO_DEBUG |
| #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) |
| #else /* CONFIG_QDIO_DEBUG */ |
| #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 /* CONFIG_QDIO_DEBUG */ |
| |
| #define QDIO_DBF_SETUP_NAME "qdio_setup" |
| #define QDIO_DBF_SETUP_LEN 8 |
| #define QDIO_DBF_SETUP_PAGES 4 |
| #define QDIO_DBF_SETUP_NR_AREAS 1 |
| #ifdef CONFIG_QDIO_DEBUG |
| #define QDIO_DBF_SETUP_LEVEL 6 |
| #else /* CONFIG_QDIO_DEBUG */ |
| #define QDIO_DBF_SETUP_LEVEL 2 |
| #endif /* CONFIG_QDIO_DEBUG */ |
| |
| #define QDIO_DBF_SBAL_NAME "qdio_labs" /* sbal */ |
| #define QDIO_DBF_SBAL_LEN 256 |
| #define QDIO_DBF_SBAL_PAGES 4 |
| #define QDIO_DBF_SBAL_NR_AREAS 2 |
| #ifdef CONFIG_QDIO_DEBUG |
| #define QDIO_DBF_SBAL_LEVEL 6 |
| #else /* CONFIG_QDIO_DEBUG */ |
| #define QDIO_DBF_SBAL_LEVEL 2 |
| #endif /* CONFIG_QDIO_DEBUG */ |
| |
| #define QDIO_DBF_TRACE_NAME "qdio_trace" |
| #define QDIO_DBF_TRACE_LEN 8 |
| #define QDIO_DBF_TRACE_NR_AREAS 2 |
| #ifdef CONFIG_QDIO_DEBUG |
| #define QDIO_DBF_TRACE_PAGES 16 |
| #define QDIO_DBF_TRACE_LEVEL 4 /* -------- could be even more verbose here */ |
| #else /* CONFIG_QDIO_DEBUG */ |
| #define QDIO_DBF_TRACE_PAGES 4 |
| #define QDIO_DBF_TRACE_LEVEL 2 |
| #endif /* CONFIG_QDIO_DEBUG */ |
| |
| #define QDIO_DBF_SENSE_NAME "qdio_sense" |
| #define QDIO_DBF_SENSE_LEN 64 |
| #define QDIO_DBF_SENSE_PAGES 2 |
| #define QDIO_DBF_SENSE_NR_AREAS 1 |
| #ifdef CONFIG_QDIO_DEBUG |
| #define QDIO_DBF_SENSE_LEVEL 6 |
| #else /* CONFIG_QDIO_DEBUG */ |
| #define QDIO_DBF_SENSE_LEVEL 2 |
| #endif /* CONFIG_QDIO_DEBUG */ |
| |
| #ifdef CONFIG_QDIO_DEBUG |
| #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_PAGES 256 |
| #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_PAGES 256 |
| #define QDIO_DBF_SLSB_IN_NR_AREAS 1 |
| #define QDIO_DBF_SLSB_IN_LEVEL 6 |
| #endif /* CONFIG_QDIO_DEBUG */ |
| |
| #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...) do { } while (0) |
| #endif |
| |
| #if QDIO_VERBOSE_LEVEL>7 |
| #define QDIO_PRINT_ALL(x...) printk( QDIO_PRINTK_HEADER x) |
| #else |
| #define QDIO_PRINT_ALL(x...) do { } while (0) |
| #endif |
| |
| #if QDIO_VERBOSE_LEVEL>6 |
| #define QDIO_PRINT_INFO(x...) printk( QDIO_PRINTK_HEADER x) |
| #else |
| #define QDIO_PRINT_INFO(x...) do { } while (0) |
| #endif |
| |
| #if QDIO_VERBOSE_LEVEL>5 |
| #define QDIO_PRINT_WARN(x...) printk( QDIO_PRINTK_HEADER x) |
| #else |
| #define QDIO_PRINT_WARN(x...) do { } while (0) |
| #endif |
| |
| #if QDIO_VERBOSE_LEVEL>4 |
| #define QDIO_PRINT_ERR(x...) printk( QDIO_PRINTK_HEADER x) |
| #else |
| #define QDIO_PRINT_ERR(x...) do { } while (0) |
| #endif |
| |
| #if QDIO_VERBOSE_LEVEL>3 |
| #define QDIO_PRINT_CRIT(x...) printk( QDIO_PRINTK_HEADER x) |
| #else |
| #define QDIO_PRINT_CRIT(x...) do { } while (0) |
| #endif |
| |
| #if QDIO_VERBOSE_LEVEL>2 |
| #define QDIO_PRINT_ALERT(x...) printk( QDIO_PRINTK_HEADER x) |
| #else |
| #define QDIO_PRINT_ALERT(x...) do { } while (0) |
| #endif |
| |
| #if QDIO_VERBOSE_LEVEL>1 |
| #define QDIO_PRINT_EMERG(x...) printk( QDIO_PRINTK_HEADER x) |
| #else |
| #define QDIO_PRINT_EMERG(x...) do { } while (0) |
| #endif |
| |
| #define QDIO_HEXDUMP16(importance,header,ptr) \ |
| QDIO_PRINT_##importance(header "%02x %02x %02x %02x " \ |
| "%02x %02x %02x %02x %02x %02x %02x %02x " \ |
| "%02x %02x %02x %02x\n",*(((char*)ptr)), \ |
| *(((char*)ptr)+1),*(((char*)ptr)+2), \ |
| *(((char*)ptr)+3),*(((char*)ptr)+4), \ |
| *(((char*)ptr)+5),*(((char*)ptr)+6), \ |
| *(((char*)ptr)+7),*(((char*)ptr)+8), \ |
| *(((char*)ptr)+9),*(((char*)ptr)+10), \ |
| *(((char*)ptr)+11),*(((char*)ptr)+12), \ |
| *(((char*)ptr)+13),*(((char*)ptr)+14), \ |
| *(((char*)ptr)+15)); \ |
| QDIO_PRINT_##importance(header "%02x %02x %02x %02x %02x %02x %02x %02x " \ |
| "%02x %02x %02x %02x %02x %02x %02x %02x\n", \ |
| *(((char*)ptr)+16),*(((char*)ptr)+17), \ |
| *(((char*)ptr)+18),*(((char*)ptr)+19), \ |
| *(((char*)ptr)+20),*(((char*)ptr)+21), \ |
| *(((char*)ptr)+22),*(((char*)ptr)+23), \ |
| *(((char*)ptr)+24),*(((char*)ptr)+25), \ |
| *(((char*)ptr)+26),*(((char*)ptr)+27), \ |
| *(((char*)ptr)+28),*(((char*)ptr)+29), \ |
| *(((char*)ptr)+30),*(((char*)ptr)+31)); |
| |
| /****************** END OF DEBUG FACILITY STUFF *********************/ |
| |
| /* |
| * Some instructions as assembly |
| */ |
| |
| static inline int |
| do_sqbs(unsigned long sch, unsigned char state, int queue, |
| unsigned int *start, unsigned int *count) |
| { |
| #ifdef CONFIG_64BIT |
| register unsigned long _ccq asm ("0") = *count; |
| register unsigned long _sch asm ("1") = sch; |
| unsigned long _queuestart = ((unsigned long)queue << 32) | *start; |
| |
| asm volatile( |
| " .insn rsy,0xeb000000008A,%1,0,0(%2)" |
| : "+d" (_ccq), "+d" (_queuestart) |
| : "d" ((unsigned long)state), "d" (_sch) |
| : "memory", "cc"); |
| *count = _ccq & 0xff; |
| *start = _queuestart & 0xff; |
| |
| return (_ccq >> 32) & 0xff; |
| #else |
| return 0; |
| #endif |
| } |
| |
| static inline int |
| do_eqbs(unsigned long sch, unsigned char *state, int queue, |
| unsigned int *start, unsigned int *count) |
| { |
| #ifdef CONFIG_64BIT |
| register unsigned long _ccq asm ("0") = *count; |
| register unsigned long _sch asm ("1") = sch; |
| unsigned long _queuestart = ((unsigned long)queue << 32) | *start; |
| unsigned long _state = 0; |
| |
| asm volatile( |
| " .insn rrf,0xB99c0000,%1,%2,0,0" |
| : "+d" (_ccq), "+d" (_queuestart), "+d" (_state) |
| : "d" (_sch) |
| : "memory", "cc" ); |
| *count = _ccq & 0xff; |
| *start = _queuestart & 0xff; |
| *state = _state & 0xff; |
| |
| return (_ccq >> 32) & 0xff; |
| #else |
| return 0; |
| #endif |
| } |
| |
| |
| static inline int |
| do_siga_sync(struct subchannel_id schid, unsigned int mask1, unsigned int mask2) |
| { |
| register unsigned long reg0 asm ("0") = 2; |
| register struct subchannel_id reg1 asm ("1") = schid; |
| register unsigned long reg2 asm ("2") = mask1; |
| register unsigned long reg3 asm ("3") = mask2; |
| int cc; |
| |
| asm volatile( |
| " siga 0\n" |
| " ipm %0\n" |
| " srl %0,28\n" |
| : "=d" (cc) |
| : "d" (reg0), "d" (reg1), "d" (reg2), "d" (reg3) : "cc"); |
| return cc; |
| } |
| |
| static inline int |
| do_siga_input(struct subchannel_id schid, unsigned int mask) |
| { |
| register unsigned long reg0 asm ("0") = 1; |
| register struct subchannel_id reg1 asm ("1") = schid; |
| register unsigned long reg2 asm ("2") = mask; |
| int cc; |
| |
| asm volatile( |
| " siga 0\n" |
| " ipm %0\n" |
| " srl %0,28\n" |
| : "=d" (cc) |
| : "d" (reg0), "d" (reg1), "d" (reg2) : "cc", "memory"); |
| return cc; |
| } |
| |
| static inline int |
| do_siga_output(unsigned long schid, unsigned long mask, __u32 *bb, |
| unsigned int fc) |
| { |
| register unsigned long __fc asm("0") = fc; |
| register unsigned long __schid asm("1") = schid; |
| register unsigned long __mask asm("2") = mask; |
| int cc; |
| |
| asm volatile( |
| " siga 0\n" |
| "0: ipm %0\n" |
| " srl %0,28\n" |
| "1:\n" |
| EX_TABLE(0b,1b) |
| : "=d" (cc), "+d" (__fc), "+d" (__schid), "+d" (__mask) |
| : "0" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION) |
| : "cc", "memory"); |
| (*bb) = ((unsigned int) __fc) >> 31; |
| return cc; |
| } |
| |
| static inline unsigned long |
| do_clear_global_summary(void) |
| { |
| register unsigned long __fn asm("1") = 3; |
| register unsigned long __tmp asm("2"); |
| register unsigned long __time asm("3"); |
| |
| asm volatile( |
| " .insn rre,0xb2650000,2,0" |
| : "+d" (__fn), "=d" (__tmp), "=d" (__time)); |
| return __time; |
| } |
| |
| /* |
| * 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 |
| |
| /* |
| * additional CIWs returned by extended Sense-ID |
| */ |
| #define CIW_TYPE_EQUEUE 0x3 /* establish QDIO queues */ |
| #define CIW_TYPE_AQUEUE 0x4 /* activate QDIO queues */ |
| |
| #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 |
| |
| struct qdio_perf_stats { |
| #ifdef CONFIG_64BIT |
| atomic64_t tl_runs; |
| atomic64_t outbound_tl_runs; |
| atomic64_t outbound_tl_runs_resched; |
| atomic64_t inbound_tl_runs; |
| atomic64_t inbound_tl_runs_resched; |
| atomic64_t inbound_thin_tl_runs; |
| atomic64_t inbound_thin_tl_runs_resched; |
| |
| atomic64_t siga_outs; |
| atomic64_t siga_ins; |
| atomic64_t siga_syncs; |
| atomic64_t pcis; |
| atomic64_t thinints; |
| atomic64_t fast_reqs; |
| |
| atomic64_t outbound_cnt; |
| atomic64_t inbound_cnt; |
| #else /* CONFIG_64BIT */ |
| atomic_t tl_runs; |
| atomic_t outbound_tl_runs; |
| atomic_t outbound_tl_runs_resched; |
| atomic_t inbound_tl_runs; |
| atomic_t inbound_tl_runs_resched; |
| atomic_t inbound_thin_tl_runs; |
| atomic_t inbound_thin_tl_runs_resched; |
| |
| atomic_t siga_outs; |
| atomic_t siga_ins; |
| atomic_t siga_syncs; |
| atomic_t pcis; |
| atomic_t thinints; |
| atomic_t fast_reqs; |
| |
| atomic_t outbound_cnt; |
| atomic_t inbound_cnt; |
| #endif /* CONFIG_64BIT */ |
| }; |
| |
| /* unlikely as the later the better */ |
| #define SYNC_MEMORY if (unlikely(q->siga_sync)) qdio_siga_sync_q(q) |
| #define SYNC_MEMORY_ALL if (unlikely(q->siga_sync)) \ |
| qdio_siga_sync(q,~0U,~0U) |
| #define SYNC_MEMORY_ALL_OUTB if (unlikely(q->siga_sync)) \ |
| qdio_siga_sync(q,~0U,0) |
| |
| #define NOW qdio_get_micros() |
| #define SAVE_TIMESTAMP(q) q->timing.last_transfer_time=NOW |
| #define GET_SAVED_TIMESTAMP(q) (q->timing.last_transfer_time) |
| #define SAVE_FRONTIER(q,val) q->last_move_ftc=val |
| #define GET_SAVED_FRONTIER(q) (q->last_move_ftc) |
| |
| #define MY_MODULE_STRING(x) #x |
| |
| #ifdef CONFIG_64BIT |
| #define QDIO_GET_ADDR(x) ((__u32)(unsigned long)x) |
| #else /* CONFIG_64BIT */ |
| #define QDIO_GET_ADDR(x) ((__u32)(long)x) |
| #endif /* CONFIG_64BIT */ |
| |
| struct qdio_q { |
| volatile struct slsb slsb; |
| |
| char unused[QDIO_MAX_BUFFERS_PER_Q]; |
| |
| __u32 * dev_st_chg_ind; |
| |
| int is_input_q; |
| struct subchannel_id schid; |
| struct ccw_device *cdev; |
| |
| 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; |
| |
| void *irq_ptr; |
| |
| struct timer_list timer; |
| #ifdef QDIO_USE_TIMERS_FOR_POLLING |
| 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 */ |
| |
| |
| enum qdio_irq_states 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 *list_next; |
| volatile struct qdio_q *list_prev; |
| |
| struct sl *sl; |
| volatile struct sbal *sbal[QDIO_MAX_BUFFERS_PER_Q]; |
| |
| struct qdio_buffer *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; |
| __u64 busy_start; |
| } timing; |
| atomic_t busy_siga_counter; |
| unsigned int queue_type; |
| unsigned int is_pci_out; |
| |
| /* leave this member at the end. won't be cleared in qdio_fill_qs */ |
| struct slib *slib; /* a page is allocated under this pointer, |
| sl points into this page, offset PAGE_SIZE/2 |
| (after slib) */ |
| } __attribute__ ((aligned(256))); |
| |
| struct qdio_irq { |
| __u32 * volatile dev_st_chg_ind; |
| |
| unsigned long int_parm; |
| struct subchannel_id schid; |
| |
| unsigned int is_iqdio_irq; |
| unsigned int is_thinint_irq; |
| unsigned int hydra_gives_outbound_pcis; |
| unsigned int sync_done_on_outb_pcis; |
| |
| /* QEBSM facility */ |
| unsigned int is_qebsm; |
| unsigned long sch_token; |
| |
| enum qdio_irq_states state; |
| |
| unsigned int no_input_qs; |
| unsigned int no_output_qs; |
| |
| unsigned char qdioac; |
| |
| struct ccw1 ccw; |
| |
| struct ciw equeue; |
| struct ciw aqueue; |
| |
| struct qib qib; |
| |
| void (*original_int_handler) (struct ccw_device *, |
| unsigned long, struct irb *); |
| |
| /* leave these four members together at the end. won't be cleared in qdio_fill_irq */ |
| struct qdr *qdr; |
| struct qdio_q *input_qs[QDIO_MAX_QUEUES_PER_IRQ]; |
| struct qdio_q *output_qs[QDIO_MAX_QUEUES_PER_IRQ]; |
| struct semaphore setting_up_sema; |
| }; |
| #endif |