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1276 |
phoenix |
/*
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* linux/include/asm/qdio.h
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*
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* Linux for S/390 QDIO base support, Hipersocket base support
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* version 2
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*
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* Copyright 2000,2002 IBM Corporation
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* Author(s): Utz Bacher <utz.bacher@de.ibm.com>
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*
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*/
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#ifndef __QDIO_H__
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#define __QDIO_H__
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#define VERSION_QDIO_H "$Revision: 1.1.1.1 $"
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/* note, that most of the typedef's are from ingo. */
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#include <linux/interrupt.h>
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#include <asm/irq.h>
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//#define QDIO_DBF_LIKE_HELL
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#define QDIO_NAME "qdio "
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#define QDIO_VERBOSE_LEVEL 9
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#ifndef CONFIG_ARCH_S390X
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#define QDIO_32_BIT
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#endif /* CONFIG_ARCH_S390X */
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#define QDIO_USE_PROCESSING_STATE
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#ifdef CONFIG_QDIO_PERF_STATS
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#define QDIO_PERFORMANCE_STATS
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#endif /* CONFIG_QDIO_PERF_STATS */
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/**** CONSTANTS, that are relied on without using these symbols *****/
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#define QDIO_MAX_QUEUES_PER_IRQ 32 /* used in width of unsigned int */
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/************************ END of CONSTANTS **************************/
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#define QDIO_MAX_BUFFERS_PER_Q 128 /* must be a power of 2 (%x=&(x-1)*/
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#define QDIO_BUF_ORDER 7 /* 2**this == number of pages used for sbals in 1 q */
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#define QDIO_MAX_ELEMENTS_PER_BUFFER 16
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#define SBAL_SIZE 256
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#define IQDIO_FILL_LEVEL_TO_POLL (QDIO_MAX_BUFFERS_PER_Q*4/3)
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#define TIQDIO_THININT_ISC 3
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#define TIQDIO_DELAY_TARGET 0
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#define QDIO_BUSY_BIT_PATIENCE 2000 /* in microsecs */
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#define IQDIO_GLOBAL_LAPS 2 /* GLOBAL_LAPS are not used as we */
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#define IQDIO_GLOBAL_LAPS_INT 1 /* dont global summary */
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#define IQDIO_LOCAL_LAPS 4
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#define IQDIO_LOCAL_LAPS_INT 1
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#define IQDIO_GLOBAL_SUMMARY_CC_MASK 2
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/*#define IQDIO_IQDC_INT_PARM 0x1234*/
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#define QDIO_Q_LAPS 5
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#define QDIO_STORAGE_ACC_KEY get_storage_key()
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#define L2_CACHELINE_SIZE 256
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#define INDICATORS_PER_CACHELINE (L2_CACHELINE_SIZE/sizeof(__u32))
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#define QDIO_PERF "qdio_perf"
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/* must be a power of 2 */
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/*#define QDIO_STATS_NUMBER 4
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#define QDIO_STATS_CLASSES 2
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#define QDIO_STATS_COUNT_NEEDED 2*/
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#define QDIO_ACTIVATE_DELAY 5 /* according to brenton belmar and paul
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gioquindo it can take up to 5ms before
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queues are really active */
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#define QDIO_NO_USE_COUNT_TIME 10
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#define QDIO_NO_USE_COUNT_TIMEOUT 1000 /* wait for 1 sec on each q before
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exiting without having use_count
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of the queue to 0 */
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#define QDIO_ESTABLISH_TIMEOUT 1000
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#define QDIO_ACTIVATE_TIMEOUT 100
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#define QDIO_CLEANUP_CLEAR_TIMEOUT 20000
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#define QDIO_CLEANUP_HALT_TIMEOUT 10000
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#define QDIO_BH AURORA_BH
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#define QDIO_IRQ_BUCKETS 256 /* heavy..., but does only use a few bytes, but
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be rather faster in cases of collisions
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(if there really is a collision, it is
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on every (traditional) interrupt and every
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do_QDIO, so we rather are generous */
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#define QDIO_QETH_QFMT 0
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#define QDIO_ZFCP_QFMT 1
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#define QDIO_IQDIO_QFMT 2
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#define QDIO_IRQ_STATE_FRESH 0 /* must be 0 -> memset has set it to 0 */
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#define QDIO_IRQ_STATE_INACTIVE 1
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#define QDIO_IRQ_STATE_ESTABLISHED 2
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#define QDIO_IRQ_STATE_ACTIVE 3
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#define QDIO_IRQ_STATE_STOPPED 4
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/* used as intparm in do_IO: */
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#define QDIO_DOING_SENSEID 0
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#define QDIO_DOING_ESTABLISH 1
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#define QDIO_DOING_ACTIVATE 2
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#define QDIO_DOING_CLEANUP 3
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/************************* DEBUG FACILITY STUFF *********************/
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/* #define QDIO_DBF_LIKE_HELL */
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#define QDIO_DBF_HEX(ex,name,level,addr,len) \
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do { \
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if (ex) \
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debug_exception(qdio_dbf_##name,level,(void*)(addr),len); \
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else \
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debug_event(qdio_dbf_##name,level,(void*)(addr),len); \
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} while (0)
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#define QDIO_DBF_TEXT(ex,name,level,text) \
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do { \
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if (ex) \
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debug_text_exception(qdio_dbf_##name,level,text); \
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else \
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debug_text_event(qdio_dbf_##name,level,text); \
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} while (0)
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#define QDIO_DBF_HEX0(ex,name,addr,len) QDIO_DBF_HEX(ex,name,0,addr,len)
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#define QDIO_DBF_HEX1(ex,name,addr,len) QDIO_DBF_HEX(ex,name,1,addr,len)
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#define QDIO_DBF_HEX2(ex,name,addr,len) QDIO_DBF_HEX(ex,name,2,addr,len)
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#define QDIO_DBF_HEX3(ex,name,addr,len) QDIO_DBF_HEX(ex,name,3,addr,len)
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#define QDIO_DBF_HEX4(ex,name,addr,len) QDIO_DBF_HEX(ex,name,4,addr,len)
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#define QDIO_DBF_HEX5(ex,name,addr,len) QDIO_DBF_HEX(ex,name,5,addr,len)
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#define QDIO_DBF_HEX6(ex,name,addr,len) QDIO_DBF_HEX(ex,name,6,addr,len)
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#ifdef QDIO_DBF_LIKE_HELL
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#endif /* QDIO_DBF_LIKE_HELL */
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#if 0
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#define QDIO_DBF_HEX0(ex,name,addr,len) do {} while (0)
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#define QDIO_DBF_HEX1(ex,name,addr,len) do {} while (0)
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#define QDIO_DBF_HEX2(ex,name,addr,len) do {} while (0)
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#ifndef QDIO_DBF_LIKE_HELL
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#define QDIO_DBF_HEX3(ex,name,addr,len) do {} while (0)
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#define QDIO_DBF_HEX4(ex,name,addr,len) do {} while (0)
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#define QDIO_DBF_HEX5(ex,name,addr,len) do {} while (0)
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#define QDIO_DBF_HEX6(ex,name,addr,len) do {} while (0)
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#endif /* QDIO_DBF_LIKE_HELL */
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#endif /* 0 */
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#define QDIO_DBF_TEXT0(ex,name,text) QDIO_DBF_TEXT(ex,name,0,text)
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#define QDIO_DBF_TEXT1(ex,name,text) QDIO_DBF_TEXT(ex,name,1,text)
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#define QDIO_DBF_TEXT2(ex,name,text) QDIO_DBF_TEXT(ex,name,2,text)
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#define QDIO_DBF_TEXT3(ex,name,text) QDIO_DBF_TEXT(ex,name,3,text)
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#define QDIO_DBF_TEXT4(ex,name,text) QDIO_DBF_TEXT(ex,name,4,text)
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#define QDIO_DBF_TEXT5(ex,name,text) QDIO_DBF_TEXT(ex,name,5,text)
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#define QDIO_DBF_TEXT6(ex,name,text) QDIO_DBF_TEXT(ex,name,6,text)
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#ifdef QDIO_DBF_LIKE_HELL
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#endif /* QDIO_DBF_LIKE_HELL */
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#if 0
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#define QDIO_DBF_TEXT0(ex,name,text) do {} while (0)
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#define QDIO_DBF_TEXT1(ex,name,text) do {} while (0)
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#define QDIO_DBF_TEXT2(ex,name,text) do {} while (0)
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#ifndef QDIO_DBF_LIKE_HELL
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#define QDIO_DBF_TEXT3(ex,name,text) do {} while (0)
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#define QDIO_DBF_TEXT4(ex,name,text) do {} while (0)
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#define QDIO_DBF_TEXT5(ex,name,text) do {} while (0)
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#define QDIO_DBF_TEXT6(ex,name,text) do {} while (0)
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#endif /* QDIO_DBF_LIKE_HELL */
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#endif /* 0 */
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#define QDIO_DBF_SETUP_NAME "qdio_setup"
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#define QDIO_DBF_SETUP_LEN 8
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#define QDIO_DBF_SETUP_INDEX 2
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#define QDIO_DBF_SETUP_NR_AREAS 1
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#ifdef QDIO_DBF_LIKE_HELL
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#define QDIO_DBF_SETUP_LEVEL 6
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#else /* QDIO_DBF_LIKE_HELL */
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#define QDIO_DBF_SETUP_LEVEL 2
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#endif /* QDIO_DBF_LIKE_HELL */
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#define QDIO_DBF_SBAL_NAME "qdio_labs" /* sbal */
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#define QDIO_DBF_SBAL_LEN 256
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#define QDIO_DBF_SBAL_INDEX 2
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#define QDIO_DBF_SBAL_NR_AREAS 2
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#ifdef QDIO_DBF_LIKE_HELL
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#define QDIO_DBF_SBAL_LEVEL 6
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#else /* QDIO_DBF_LIKE_HELL */
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#define QDIO_DBF_SBAL_LEVEL 2
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#endif /* QDIO_DBF_LIKE_HELL */
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#define QDIO_DBF_TRACE_NAME "qdio_trace"
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#define QDIO_DBF_TRACE_LEN 8
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#define QDIO_DBF_TRACE_NR_AREAS 2
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#ifdef QDIO_DBF_LIKE_HELL
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#define QDIO_DBF_TRACE_INDEX 4
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#define QDIO_DBF_TRACE_LEVEL 4 /* -------- could be even more verbose here */
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#else /* QDIO_DBF_LIKE_HELL */
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#define QDIO_DBF_TRACE_INDEX 2
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#define QDIO_DBF_TRACE_LEVEL 2
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#endif /* QDIO_DBF_LIKE_HELL */
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#define QDIO_DBF_SENSE_NAME "qdio_sense"
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#define QDIO_DBF_SENSE_LEN 64
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#define QDIO_DBF_SENSE_INDEX 1
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#define QDIO_DBF_SENSE_NR_AREAS 1
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#ifdef QDIO_DBF_LIKE_HELL
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#define QDIO_DBF_SENSE_LEVEL 6
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#else /* QDIO_DBF_LIKE_HELL */
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#define QDIO_DBF_SENSE_LEVEL 2
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#endif /* QDIO_DBF_LIKE_HELL */
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#ifdef QDIO_DBF_LIKE_HELL
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#define QDIO_TRACE_QTYPE QDIO_ZFCP_QFMT
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#define QDIO_DBF_SLSB_OUT_NAME "qdio_slsb_out"
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#define QDIO_DBF_SLSB_OUT_LEN QDIO_MAX_BUFFERS_PER_Q
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#define QDIO_DBF_SLSB_OUT_INDEX 8
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#define QDIO_DBF_SLSB_OUT_NR_AREAS 1
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#define QDIO_DBF_SLSB_OUT_LEVEL 6
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#define QDIO_DBF_SLSB_IN_NAME "qdio_slsb_in"
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#define QDIO_DBF_SLSB_IN_LEN QDIO_MAX_BUFFERS_PER_Q
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#define QDIO_DBF_SLSB_IN_INDEX 8
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#define QDIO_DBF_SLSB_IN_NR_AREAS 1
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#define QDIO_DBF_SLSB_IN_LEVEL 6
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#endif /* QDIO_DBF_LIKE_HELL */
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/****************** END OF DEBUG FACILITY STUFF *********************/
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typedef struct qdio_buffer_element_t {
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unsigned int flags;
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unsigned int length;
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#ifdef QDIO_32_BIT
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void *reserved;
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#endif /* QDIO_32_BIT */
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void *addr;
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} __attribute__ ((packed,aligned(16))) qdio_buffer_element_t;
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typedef struct qdio_buffer_t {
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volatile qdio_buffer_element_t element[16];
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} __attribute__ ((packed,aligned(256))) qdio_buffer_t;
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/* params are: irq, status, qdio_error, siga_error,
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queue_number, first element processed, number of elements processed,
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int_parm */
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typedef void qdio_handler_t(int,unsigned int,unsigned int,unsigned int,
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unsigned int,int,int,unsigned long);
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#define QDIO_STATUS_INBOUND_INT 0x01
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#define QDIO_STATUS_OUTBOUND_INT 0x02
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#define QDIO_STATUS_LOOK_FOR_ERROR 0x04
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#define QDIO_STATUS_MORE_THAN_ONE_QDIO_ERROR 0x08
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#define QDIO_STATUS_MORE_THAN_ONE_SIGA_ERROR 0x10
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#define QDIO_STATUS_ACTIVATE_CHECK_CONDITION 0x20
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#define QDIO_SIGA_ERROR_ACCESS_EXCEPTION 0x10
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#define QDIO_SIGA_ERROR_B_BIT_SET 0x20
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/* for qdio_initialize */
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#define QDIO_INBOUND_0COPY_SBALS 0x01
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#define QDIO_OUTBOUND_0COPY_SBALS 0x02
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#define QDIO_USE_OUTBOUND_PCIS 0x04
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#define QDIO_PFIX 0x08
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/* for qdio_cleanup */
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#define QDIO_FLAG_CLEANUP_USING_CLEAR 0x01
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#define QDIO_FLAG_CLEANUP_USING_HALT 0x02
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typedef struct qdio_initialize_t {
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int irq;
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unsigned char q_format;
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unsigned char adapter_name[8];
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unsigned int qib_param_field_format; /*adapter dependent*/
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/* pointer to 128 bytes or NULL, if no param field */
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unsigned char *qib_param_field; /* adapter dependent */
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/* pointer to no_queues*128 words of data or NULL */
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unsigned long *input_slib_elements;
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unsigned long *output_slib_elements;
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unsigned int min_input_threshold;
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unsigned int max_input_threshold;
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unsigned int min_output_threshold;
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unsigned int max_output_threshold;
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unsigned int no_input_qs;
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unsigned int no_output_qs;
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qdio_handler_t *input_handler;
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qdio_handler_t *output_handler;
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unsigned long int_parm;
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unsigned long flags;
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void **input_sbal_addr_array; /* addr of n*128 void ptrs */
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void **output_sbal_addr_array; /* addr of n*128 void ptrs */
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} qdio_initialize_t;
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extern int qdio_initialize(qdio_initialize_t *init_data);
|
293 |
|
|
|
294 |
|
|
extern int qdio_activate(int irq,int flags);
|
295 |
|
|
|
296 |
|
|
#define QDIO_STATE_MUST_USE_OUTB_PCI 0x00000001
|
297 |
|
|
#define QDIO_STATE_INACTIVE 0x00000002 /* after qdio_cleanup */
|
298 |
|
|
#define QDIO_STATE_ESTABLISHED 0x00000004 /* after qdio_initialize */
|
299 |
|
|
#define QDIO_STATE_ACTIVE 0x00000008 /* after qdio_activate */
|
300 |
|
|
#define QDIO_STATE_STOPPED 0x00000010 /* after queues went down */
|
301 |
|
|
extern unsigned long qdio_get_status(int irq);
|
302 |
|
|
|
303 |
|
|
|
304 |
|
|
#define QDIO_FLAG_SYNC_INPUT 0x01
|
305 |
|
|
#define QDIO_FLAG_SYNC_OUTPUT 0x02
|
306 |
|
|
#define QDIO_FLAG_UNDER_INTERRUPT 0x04
|
307 |
|
|
#define QDIO_FLAG_NO_INPUT_INTERRUPT_CONTEXT 0x08 /* no effect on
|
308 |
|
|
adapter interrupts */
|
309 |
|
|
#define QDIO_FLAG_DONT_SIGA 0x10
|
310 |
|
|
|
311 |
|
|
extern int do_QDIO(int irq,unsigned int flags, unsigned int queue_number,
|
312 |
|
|
unsigned int qidx,unsigned int count,
|
313 |
|
|
qdio_buffer_t *buffers);
|
314 |
|
|
|
315 |
|
|
extern int qdio_synchronize(int irq,unsigned int flags,
|
316 |
|
|
unsigned int queue_number);
|
317 |
|
|
|
318 |
|
|
extern int qdio_cleanup(int irq,int how);
|
319 |
|
|
|
320 |
|
|
extern unsigned char qdio_get_slsb_state(int irq,unsigned int flag,
|
321 |
|
|
unsigned int queue_number,
|
322 |
|
|
unsigned int qidx);
|
323 |
|
|
|
324 |
|
|
/*
|
325 |
|
|
* QDIO device commands returned by extended Sense-ID
|
326 |
|
|
*/
|
327 |
|
|
#define DEFAULT_ESTABLISH_QS_CMD 0x1b
|
328 |
|
|
#define DEFAULT_ESTABLISH_QS_COUNT 0x1000
|
329 |
|
|
#define DEFAULT_ACTIVATE_QS_CMD 0x1f
|
330 |
|
|
#define DEFAULT_ACTIVATE_QS_COUNT 0
|
331 |
|
|
typedef struct _qdio_cmds {
|
332 |
|
|
unsigned char rcd; /* read configuration data */
|
333 |
|
|
unsigned short count_rcd;
|
334 |
|
|
unsigned char sii; /* set interface identifier */
|
335 |
|
|
unsigned short count_sii;
|
336 |
|
|
unsigned char rni; /* read node identifier */
|
337 |
|
|
unsigned short count_rni;
|
338 |
|
|
unsigned char eq; /* establish QDIO queues */
|
339 |
|
|
unsigned short count_eq;
|
340 |
|
|
unsigned char aq; /* activate QDIO queues */
|
341 |
|
|
unsigned short count_aq;
|
342 |
|
|
} qdio_cmds_t;
|
343 |
|
|
|
344 |
|
|
/*
|
345 |
|
|
* additional CIWs returned by extended Sense-ID
|
346 |
|
|
*/
|
347 |
|
|
#define CIW_TYPE_EQUEUE 0x3 /* establish QDIO queues */
|
348 |
|
|
#define CIW_TYPE_AQUEUE 0x4 /* activate QDIO queues */
|
349 |
|
|
|
350 |
|
|
typedef struct _qdesfmt0 {
|
351 |
|
|
#ifdef QDIO_32_BIT
|
352 |
|
|
unsigned long res1; /* reserved */
|
353 |
|
|
#endif /* QDIO_32_BIT */
|
354 |
|
|
unsigned long sliba; /* storage-list-information-block
|
355 |
|
|
address */
|
356 |
|
|
#ifdef QDIO_32_BIT
|
357 |
|
|
unsigned long res2; /* reserved */
|
358 |
|
|
#endif /* QDIO_32_BIT */
|
359 |
|
|
unsigned long sla; /* storage-list address */
|
360 |
|
|
#ifdef QDIO_32_BIT
|
361 |
|
|
unsigned long res3; /* reserved */
|
362 |
|
|
#endif /* QDIO_32_BIT */
|
363 |
|
|
unsigned long slsba; /* storage-list-state-block address */
|
364 |
|
|
unsigned int res4; /* reserved */
|
365 |
|
|
unsigned int akey : 4; /* access key for DLIB */
|
366 |
|
|
unsigned int bkey : 4; /* access key for SL */
|
367 |
|
|
unsigned int ckey : 4; /* access key for SBALs */
|
368 |
|
|
unsigned int dkey : 4; /* access key for SLSB */
|
369 |
|
|
unsigned int res5 : 16; /* reserved */
|
370 |
|
|
} __attribute__ ((packed)) qdesfmt0_t;
|
371 |
|
|
|
372 |
|
|
/*
|
373 |
|
|
* Queue-Description record (QDR)
|
374 |
|
|
*/
|
375 |
|
|
typedef struct _qdr {
|
376 |
|
|
unsigned int qfmt : 8; /* queue format */
|
377 |
|
|
unsigned int pfmt : 8; /* impl. dep. parameter format */
|
378 |
|
|
unsigned int res1 : 8; /* reserved */
|
379 |
|
|
unsigned int ac : 8; /* adapter characteristics */
|
380 |
|
|
unsigned int res2 : 8; /* reserved */
|
381 |
|
|
unsigned int iqdcnt : 8; /* input-queue-descriptor count */
|
382 |
|
|
unsigned int res3 : 8; /* reserved */
|
383 |
|
|
unsigned int oqdcnt : 8; /* output-queue-descriptor count */
|
384 |
|
|
unsigned int res4 : 8; /* reserved */
|
385 |
|
|
unsigned int iqdsz : 8; /* input-queue-descriptor size */
|
386 |
|
|
unsigned int res5 : 8; /* reserved */
|
387 |
|
|
unsigned int oqdsz : 8; /* output-queue-descriptor size */
|
388 |
|
|
unsigned int res6[9]; /* reserved */
|
389 |
|
|
#ifdef QDIO_32_BIT
|
390 |
|
|
unsigned long res7; /* reserved */
|
391 |
|
|
#endif /* QDIO_32_BIT */
|
392 |
|
|
unsigned long qiba; /* queue-information-block address */
|
393 |
|
|
unsigned int res8; /* reserved */
|
394 |
|
|
unsigned int qkey : 4; /* queue-informatio-block key */
|
395 |
|
|
unsigned int res9 : 28; /* reserved */
|
396 |
|
|
/* union _qd {*/ /* why this? */
|
397 |
|
|
qdesfmt0_t qdf0[126];
|
398 |
|
|
/* } qd;*/
|
399 |
|
|
} __attribute__ ((packed,aligned(4096))) qdr_t;
|
400 |
|
|
|
401 |
|
|
|
402 |
|
|
/*
|
403 |
|
|
* queue information block (QIB)
|
404 |
|
|
*/
|
405 |
|
|
#define QIB_AC_INBOUND_PCI_SUPPORTED 0x80
|
406 |
|
|
#define QIB_AC_OUTBOUND_PCI_SUPPORTED 0x40
|
407 |
|
|
typedef struct _qib {
|
408 |
|
|
unsigned int qfmt : 8; /* queue format */
|
409 |
|
|
unsigned int pfmt : 8; /* impl. dep. parameter format */
|
410 |
|
|
unsigned int res1 : 8; /* reserved */
|
411 |
|
|
unsigned int ac : 8; /* adapter characteristics */
|
412 |
|
|
unsigned int res2; /* reserved */
|
413 |
|
|
#ifdef QDIO_32_BIT
|
414 |
|
|
unsigned long res3; /* reserved */
|
415 |
|
|
#endif /* QDIO_32_BIT */
|
416 |
|
|
unsigned long isliba; /* absolute address of 1st
|
417 |
|
|
input SLIB */
|
418 |
|
|
#ifdef QDIO_32_BIT
|
419 |
|
|
unsigned long res4; /* reserved */
|
420 |
|
|
#endif /* QDIO_32_BIT */
|
421 |
|
|
unsigned long osliba; /* absolute address of 1st
|
422 |
|
|
output SLIB */
|
423 |
|
|
unsigned int res5; /* reserved */
|
424 |
|
|
unsigned int res6; /* reserved */
|
425 |
|
|
unsigned char ebcnam[8]; /* adapter identifier in EBCDIC */
|
426 |
|
|
unsigned char res7[88]; /* reserved */
|
427 |
|
|
unsigned char parm[QDIO_MAX_BUFFERS_PER_Q];
|
428 |
|
|
/* implementation dependent
|
429 |
|
|
parameters */
|
430 |
|
|
} __attribute__ ((packed,aligned(256))) qib_t;
|
431 |
|
|
|
432 |
|
|
|
433 |
|
|
/*
|
434 |
|
|
* storage-list-information block element (SLIBE)
|
435 |
|
|
*/
|
436 |
|
|
typedef struct _slibe {
|
437 |
|
|
#ifdef QDIO_32_BIT
|
438 |
|
|
unsigned long res; /* reserved */
|
439 |
|
|
#endif /* QDIO_32_BIT */
|
440 |
|
|
unsigned long parms; /* implementation dependent
|
441 |
|
|
parameters */
|
442 |
|
|
} slibe_t;
|
443 |
|
|
|
444 |
|
|
/*
|
445 |
|
|
* storage-list-information block (SLIB)
|
446 |
|
|
*/
|
447 |
|
|
typedef struct _slib {
|
448 |
|
|
#ifdef QDIO_32_BIT
|
449 |
|
|
unsigned long res1; /* reserved */
|
450 |
|
|
#endif /* QDIO_32_BIT */
|
451 |
|
|
unsigned long nsliba; /* next SLIB address (if any) */
|
452 |
|
|
#ifdef QDIO_32_BIT
|
453 |
|
|
unsigned long res2; /* reserved */
|
454 |
|
|
#endif /* QDIO_32_BIT */
|
455 |
|
|
unsigned long sla; /* SL address */
|
456 |
|
|
#ifdef QDIO_32_BIT
|
457 |
|
|
unsigned long res3; /* reserved */
|
458 |
|
|
#endif /* QDIO_32_BIT */
|
459 |
|
|
unsigned long slsba; /* SLSB address */
|
460 |
|
|
unsigned char res4[1000]; /* reserved */
|
461 |
|
|
slibe_t slibe[QDIO_MAX_BUFFERS_PER_Q]; /* SLIB elements */
|
462 |
|
|
} __attribute__ ((packed,aligned(2048))) slib_t;
|
463 |
|
|
|
464 |
|
|
typedef struct _sbal_flags {
|
465 |
|
|
unsigned char res1 : 1; /* reserved */
|
466 |
|
|
unsigned char last : 1; /* last entry */
|
467 |
|
|
unsigned char cont : 1; /* contiguous storage */
|
468 |
|
|
unsigned char res2 : 1; /* reserved */
|
469 |
|
|
unsigned char frag : 2; /* fragmentation (s.below) */
|
470 |
|
|
unsigned char res3 : 2; /* reserved */
|
471 |
|
|
} __attribute__ ((packed)) sbal_flags_t;
|
472 |
|
|
|
473 |
|
|
#define SBAL_FLAGS_FIRST_FRAG 0x04000000UL
|
474 |
|
|
#define SBAL_FLAGS_MIDDLE_FRAG 0x08000000UL
|
475 |
|
|
#define SBAL_FLAGS_LAST_FRAG 0x0c000000UL
|
476 |
|
|
#define SBAL_FLAGS_LAST_ENTRY 0x40000000UL
|
477 |
|
|
#define SBAL_FLAGS_CONTIGUOUS 0x20000000UL
|
478 |
|
|
|
479 |
|
|
#define SBAL_FLAGS0_DATA_CONTINUATION 0x20UL
|
480 |
|
|
|
481 |
|
|
/* Awesome FCP extensions */
|
482 |
|
|
#define SBAL_FLAGS0_TYPE_STATUS 0x00UL
|
483 |
|
|
#define SBAL_FLAGS0_TYPE_WRITE 0x08UL
|
484 |
|
|
#define SBAL_FLAGS0_TYPE_READ 0x10UL
|
485 |
|
|
#define SBAL_FLAGS0_TYPE_WRITE_READ 0x18UL
|
486 |
|
|
#define SBAL_FLAGS0_MORE_SBALS 0x04UL
|
487 |
|
|
#define SBAL_FLAGS0_COMMAND 0x02UL
|
488 |
|
|
#define SBAL_FLAGS0_LAST_SBAL 0x00UL
|
489 |
|
|
#define SBAL_FLAGS0_ONLY_SBAL SBAL_FLAGS0_COMMAND
|
490 |
|
|
#define SBAL_FLAGS0_MIDDLE_SBAL SBAL_FLAGS0_MORE_SBALS
|
491 |
|
|
#define SBAL_FLAGS0_FIRST_SBAL SBAL_FLAGS0_MORE_SBALS | SBAL_FLAGS0_COMMAND
|
492 |
|
|
/* Naught of interest beyond this point */
|
493 |
|
|
|
494 |
|
|
#define SBAL_FLAGS0_PCI 0x40
|
495 |
|
|
typedef struct _sbal_sbalf_0 {
|
496 |
|
|
unsigned char res1 : 1; /* reserved */
|
497 |
|
|
unsigned char pci : 1; /* PCI indicator */
|
498 |
|
|
unsigned char cont : 1; /* data continuation */
|
499 |
|
|
unsigned char sbtype: 2; /* storage-block type (FCP) */
|
500 |
|
|
unsigned char res2 : 3; /* reserved */
|
501 |
|
|
} __attribute__ ((packed)) sbal_sbalf_0_t;
|
502 |
|
|
|
503 |
|
|
typedef struct _sbal_sbalf_1 {
|
504 |
|
|
unsigned char res1 : 4; /* reserved */
|
505 |
|
|
unsigned char key : 4; /* storage key */
|
506 |
|
|
} __attribute__ ((packed)) sbal_sbalf_1_t;
|
507 |
|
|
|
508 |
|
|
typedef struct _sbal_sbalf_14 {
|
509 |
|
|
unsigned char res1 : 4; /* reserved */
|
510 |
|
|
unsigned char erridx : 4; /* error index */
|
511 |
|
|
} __attribute__ ((packed)) sbal_sbalf_14_t;
|
512 |
|
|
|
513 |
|
|
typedef struct _sbal_sbalf_15 {
|
514 |
|
|
unsigned char reason; /* reserved */
|
515 |
|
|
} __attribute__ ((packed)) sbal_sbalf_15_t;
|
516 |
|
|
|
517 |
|
|
typedef union _sbal_sbalf {
|
518 |
|
|
sbal_sbalf_0_t i0;
|
519 |
|
|
sbal_sbalf_1_t i1;
|
520 |
|
|
sbal_sbalf_14_t i14;
|
521 |
|
|
sbal_sbalf_15_t i15;
|
522 |
|
|
unsigned char value;
|
523 |
|
|
} sbal_sbalf_t;
|
524 |
|
|
|
525 |
|
|
typedef struct _sbale {
|
526 |
|
|
union {
|
527 |
|
|
sbal_flags_t bits; /* flags */
|
528 |
|
|
unsigned char value;
|
529 |
|
|
} flags;
|
530 |
|
|
unsigned int res1 : 16; /* reserved */
|
531 |
|
|
sbal_sbalf_t sbalf; /* SBAL flags */
|
532 |
|
|
unsigned int res2 : 16; /* reserved */
|
533 |
|
|
unsigned int count : 16; /* data count */
|
534 |
|
|
#ifdef QDIO_32_BIT
|
535 |
|
|
unsigned long res3; /* reserved */
|
536 |
|
|
#endif /* QDIO_32_BIT */
|
537 |
|
|
unsigned long addr; /* absolute data address */
|
538 |
|
|
} __attribute__ ((packed,aligned(16))) sbal_element_t;
|
539 |
|
|
|
540 |
|
|
/*
|
541 |
|
|
* strorage-block access-list (SBAL)
|
542 |
|
|
*/
|
543 |
|
|
typedef struct _sbal {
|
544 |
|
|
sbal_element_t element[QDIO_MAX_ELEMENTS_PER_BUFFER];
|
545 |
|
|
} __attribute__ ((packed,aligned(256))) sbal_t;
|
546 |
|
|
|
547 |
|
|
/*
|
548 |
|
|
* storage-list (SL)
|
549 |
|
|
*/
|
550 |
|
|
typedef struct _sl_element {
|
551 |
|
|
#ifdef QDIO_32_BIT
|
552 |
|
|
unsigned long res; /* reserved */
|
553 |
|
|
#endif /* QDIO_32_BIT */
|
554 |
|
|
unsigned long sbal; /* absolute SBAL address */
|
555 |
|
|
} __attribute__ ((packed)) sl_element_t;
|
556 |
|
|
|
557 |
|
|
typedef struct _sl {
|
558 |
|
|
sl_element_t element[QDIO_MAX_BUFFERS_PER_Q];
|
559 |
|
|
} __attribute__ ((packed,aligned(1024))) sl_t;
|
560 |
|
|
|
561 |
|
|
/*
|
562 |
|
|
* storage-list-state block (SLSB)
|
563 |
|
|
*/
|
564 |
|
|
/*typedef struct _slsb_val {*/
|
565 |
|
|
/* unsigned char value; */ /* SLSB entry as a single byte value */
|
566 |
|
|
/*} __attribute__ ((packed)) slsb_val_t;*/
|
567 |
|
|
|
568 |
|
|
typedef struct _slsb_flags {
|
569 |
|
|
unsigned char owner : 2; /* SBAL owner */
|
570 |
|
|
unsigned char type : 1; /* buffer type */
|
571 |
|
|
unsigned char state : 5; /* processing state */
|
572 |
|
|
} __attribute__ ((packed)) slsb_flags_t;
|
573 |
|
|
|
574 |
|
|
|
575 |
|
|
typedef struct _slsb {
|
576 |
|
|
union _acc {
|
577 |
|
|
unsigned char val[QDIO_MAX_BUFFERS_PER_Q];
|
578 |
|
|
slsb_flags_t flags[QDIO_MAX_BUFFERS_PER_Q];
|
579 |
|
|
} acc;
|
580 |
|
|
} __attribute__ ((packed,aligned(256))) slsb_t;
|
581 |
|
|
|
582 |
|
|
/*
|
583 |
|
|
* SLSB values
|
584 |
|
|
*/
|
585 |
|
|
#define SLSB_OWNER_PROG 1
|
586 |
|
|
#define SLSB_OWNER_CU 2
|
587 |
|
|
|
588 |
|
|
#define SLSB_TYPE_INPUT 0
|
589 |
|
|
#define SLSB_TYPE_OUTPUT 1
|
590 |
|
|
|
591 |
|
|
#define SLSB_STATE_NOT_INIT 0
|
592 |
|
|
#define SLSB_STATE_EMPTY 1
|
593 |
|
|
#define SLSB_STATE_PRIMED 2
|
594 |
|
|
#define SLSB_STATE_HALTED 0xe
|
595 |
|
|
#define SLSB_STATE_ERROR 0xf
|
596 |
|
|
|
597 |
|
|
#define SLSB_P_INPUT_NOT_INIT 0x80
|
598 |
|
|
#define SLSB_P_INPUT_PROCESSING 0x81
|
599 |
|
|
#define SLSB_CU_INPUT_EMPTY 0x41
|
600 |
|
|
#define SLSB_P_INPUT_PRIMED 0x82
|
601 |
|
|
#define SLSB_P_INPUT_HALTED 0x8E
|
602 |
|
|
#define SLSB_P_INPUT_ERROR 0x8F
|
603 |
|
|
|
604 |
|
|
#define SLSB_P_OUTPUT_NOT_INIT 0xA0
|
605 |
|
|
#define SLSB_P_OUTPUT_EMPTY 0xA1
|
606 |
|
|
#define SLSB_CU_OUTPUT_PRIMED 0x62
|
607 |
|
|
#define SLSB_P_OUTPUT_HALTED 0xAE
|
608 |
|
|
#define SLSB_P_OUTPUT_ERROR 0xAF
|
609 |
|
|
|
610 |
|
|
#define SLSB_ERROR_DURING_LOOKUP 0xFF
|
611 |
|
|
|
612 |
|
|
typedef struct qdio_q_t {
|
613 |
|
|
volatile slsb_t slsb;
|
614 |
|
|
|
615 |
|
|
__u32 * volatile dev_st_chg_ind;
|
616 |
|
|
|
617 |
|
|
int is_input_q;
|
618 |
|
|
int is_0copy_sbals_q;
|
619 |
|
|
|
620 |
|
|
unsigned int is_iqdio_q;
|
621 |
|
|
unsigned int is_thinint_q;
|
622 |
|
|
|
623 |
|
|
/* bit 0 means queue 0, bit 1 means queue 1, ... */
|
624 |
|
|
unsigned int mask;
|
625 |
|
|
unsigned int q_no;
|
626 |
|
|
|
627 |
|
|
qdio_handler_t (*handler);
|
628 |
|
|
|
629 |
|
|
/* points to the next buffer to be checked for having
|
630 |
|
|
* been processed by the card (outbound)
|
631 |
|
|
* or to the next buffer the program should check for (inbound) */
|
632 |
|
|
volatile int first_to_check;
|
633 |
|
|
/* and the last time it was: */
|
634 |
|
|
volatile int last_move_ftc;
|
635 |
|
|
|
636 |
|
|
atomic_t number_of_buffers_used;
|
637 |
|
|
atomic_t polling;
|
638 |
|
|
|
639 |
|
|
unsigned int siga_in;
|
640 |
|
|
unsigned int siga_out;
|
641 |
|
|
unsigned int siga_sync;
|
642 |
|
|
unsigned int siga_sync_done_on_thinints;
|
643 |
|
|
unsigned int siga_sync_done_on_outb_tis;
|
644 |
|
|
unsigned int hydra_gives_outbound_pcis;
|
645 |
|
|
|
646 |
|
|
/* used to save beginning position when calling dd_handlers */
|
647 |
|
|
int first_element_to_kick;
|
648 |
|
|
|
649 |
|
|
atomic_t use_count;
|
650 |
|
|
atomic_t is_in_shutdown;
|
651 |
|
|
|
652 |
|
|
int irq;
|
653 |
|
|
void *irq_ptr;
|
654 |
|
|
|
655 |
|
|
#ifdef QDIO_USE_TIMERS_FOR_POLLING
|
656 |
|
|
struct timer_list timer;
|
657 |
|
|
atomic_t timer_already_set;
|
658 |
|
|
spinlock_t timer_lock;
|
659 |
|
|
#else /* QDIO_USE_TIMERS_FOR_POLLING */
|
660 |
|
|
struct tasklet_struct tasklet;
|
661 |
|
|
#endif /* QDIO_USE_TIMERS_FOR_POLLING */
|
662 |
|
|
|
663 |
|
|
unsigned int state;
|
664 |
|
|
|
665 |
|
|
/* used to store the error condition during a data transfer */
|
666 |
|
|
unsigned int qdio_error;
|
667 |
|
|
unsigned int siga_error;
|
668 |
|
|
unsigned int error_status_flags;
|
669 |
|
|
|
670 |
|
|
/* list of interesting queues */
|
671 |
|
|
volatile struct qdio_q_t *list_next;
|
672 |
|
|
volatile struct qdio_q_t *list_prev;
|
673 |
|
|
|
674 |
|
|
slib_t *slib; /* a page is allocated under this pointer,
|
675 |
|
|
sl points into this page, offset PAGE_SIZE/2
|
676 |
|
|
(after slib) */
|
677 |
|
|
sl_t *sl;
|
678 |
|
|
volatile sbal_t *sbal[QDIO_MAX_BUFFERS_PER_Q];
|
679 |
|
|
|
680 |
|
|
qdio_buffer_t *qdio_buffers[QDIO_MAX_BUFFERS_PER_Q];
|
681 |
|
|
|
682 |
|
|
unsigned long int_parm;
|
683 |
|
|
|
684 |
|
|
/*struct {
|
685 |
|
|
int in_bh_check_limit;
|
686 |
|
|
int threshold;
|
687 |
|
|
} threshold_classes[QDIO_STATS_CLASSES];*/
|
688 |
|
|
|
689 |
|
|
struct {
|
690 |
|
|
/* inbound: the time to stop polling
|
691 |
|
|
outbound: the time to kick peer */
|
692 |
|
|
int threshold; /* the real value */
|
693 |
|
|
|
694 |
|
|
/* outbound: last time of do_QDIO
|
695 |
|
|
inbound: last time of noticing incoming data */
|
696 |
|
|
/*__u64 last_transfer_times[QDIO_STATS_NUMBER];
|
697 |
|
|
int last_transfer_index; */
|
698 |
|
|
|
699 |
|
|
__u64 last_transfer_time;
|
700 |
|
|
} timing;
|
701 |
|
|
unsigned int queue_type;
|
702 |
|
|
} __attribute__ ((aligned(256))) qdio_q_t;
|
703 |
|
|
|
704 |
|
|
typedef struct qdio_irq_t {
|
705 |
|
|
__u32 * volatile dev_st_chg_ind;
|
706 |
|
|
|
707 |
|
|
unsigned long int_parm;
|
708 |
|
|
int irq;
|
709 |
|
|
|
710 |
|
|
unsigned int is_iqdio_irq;
|
711 |
|
|
unsigned int is_thinint_irq;
|
712 |
|
|
unsigned int hydra_gives_outbound_pcis;
|
713 |
|
|
unsigned int sync_done_on_outb_pcis;
|
714 |
|
|
|
715 |
|
|
unsigned int state;
|
716 |
|
|
spinlock_t setting_up_lock;
|
717 |
|
|
|
718 |
|
|
unsigned int no_input_qs;
|
719 |
|
|
unsigned int no_output_qs;
|
720 |
|
|
|
721 |
|
|
unsigned char qdioac;
|
722 |
|
|
|
723 |
|
|
qdio_q_t *input_qs[QDIO_MAX_QUEUES_PER_IRQ];
|
724 |
|
|
qdio_q_t *output_qs[QDIO_MAX_QUEUES_PER_IRQ];
|
725 |
|
|
|
726 |
|
|
ccw1_t ccw;
|
727 |
|
|
int io_result_cstat;
|
728 |
|
|
int io_result_dstat;
|
729 |
|
|
int io_result_flags;
|
730 |
|
|
atomic_t interrupt_has_arrived;
|
731 |
|
|
atomic_t interrupt_has_been_cleaned;
|
732 |
|
|
wait_queue_head_t wait_q;
|
733 |
|
|
|
734 |
|
|
qdr_t *qdr;
|
735 |
|
|
|
736 |
|
|
qdio_cmds_t commands;
|
737 |
|
|
|
738 |
|
|
qib_t qib;
|
739 |
|
|
|
740 |
|
|
io_handler_func_t original_int_handler;
|
741 |
|
|
|
742 |
|
|
unsigned long other_flags; /* e.g. QDIO_PFIX */
|
743 |
|
|
|
744 |
|
|
struct qdio_irq_t *next;
|
745 |
|
|
} qdio_irq_t;
|
746 |
|
|
|
747 |
|
|
#define QDIO_CHSC_RESPONSE_CODE_OK 1
|
748 |
|
|
/* flags for st qdio sch data */
|
749 |
|
|
#define CHSC_FLAG_QDIO_CAPABILITY 0x80
|
750 |
|
|
#define CHSC_FLAG_VALIDITY 0x40
|
751 |
|
|
|
752 |
|
|
#define CHSC_FLAG_SIGA_INPUT_NECESSARY 0x40
|
753 |
|
|
#define CHSC_FLAG_SIGA_OUTPUT_NECESSARY 0x20
|
754 |
|
|
#define CHSC_FLAG_SIGA_SYNC_NECESSARY 0x10
|
755 |
|
|
#define CHSC_FLAG_SIGA_SYNC_DONE_ON_THININTS 0x08
|
756 |
|
|
#define CHSC_FLAG_SIGA_SYNC_DONE_ON_OUTB_PCIS 0x04
|
757 |
|
|
|
758 |
|
|
typedef struct qdio_chsc_area_t {
|
759 |
|
|
struct {
|
760 |
|
|
/* word 0 */
|
761 |
|
|
__u16 command_code1;
|
762 |
|
|
__u16 command_code2;
|
763 |
|
|
/* word 1 */
|
764 |
|
|
__u16 operation_code;
|
765 |
|
|
__u16 first_sch;
|
766 |
|
|
/* word 2 */
|
767 |
|
|
__u8 reserved1;
|
768 |
|
|
__u8 image_id;
|
769 |
|
|
__u16 last_sch;
|
770 |
|
|
/* word 3 */
|
771 |
|
|
__u32 reserved2;
|
772 |
|
|
|
773 |
|
|
/* word 4 */
|
774 |
|
|
union {
|
775 |
|
|
struct {
|
776 |
|
|
/* word 4&5 */
|
777 |
|
|
__u64 summary_indicator_addr;
|
778 |
|
|
/* word 6&7 */
|
779 |
|
|
__u64 subchannel_indicator_addr;
|
780 |
|
|
/* word 8 */
|
781 |
|
|
int ks:4;
|
782 |
|
|
int kc:4;
|
783 |
|
|
int reserved1:21;
|
784 |
|
|
int isc:3;
|
785 |
|
|
/* word 9&10 */
|
786 |
|
|
__u32 reserved2[2];
|
787 |
|
|
/* word 11 */
|
788 |
|
|
__u32 subsystem_id;
|
789 |
|
|
/* word 12-1015 */
|
790 |
|
|
__u32 reserved3[1004];
|
791 |
|
|
} __attribute__ ((packed,aligned(4))) set_chsc;
|
792 |
|
|
struct {
|
793 |
|
|
/* word 4&5 */
|
794 |
|
|
__u32 reserved1[2];
|
795 |
|
|
/* word 6 */
|
796 |
|
|
__u32 delay_target;
|
797 |
|
|
/* word 7-1015 */
|
798 |
|
|
__u32 reserved4[1009];
|
799 |
|
|
} __attribute__ ((packed,aligned(4))) set_chsc_fast;
|
800 |
|
|
struct {
|
801 |
|
|
/* word 0 */
|
802 |
|
|
__u16 length;
|
803 |
|
|
__u16 response_code;
|
804 |
|
|
/* word 1 */
|
805 |
|
|
__u32 reserved1;
|
806 |
|
|
/* words 2 to 9 for st sch qdio data */
|
807 |
|
|
__u8 flags;
|
808 |
|
|
__u8 reserved2;
|
809 |
|
|
__u16 sch;
|
810 |
|
|
__u8 qfmt;
|
811 |
|
|
__u8 reserved3;
|
812 |
|
|
__u8 qdioac;
|
813 |
|
|
__u8 sch_class;
|
814 |
|
|
__u8 reserved4;
|
815 |
|
|
__u8 icnt;
|
816 |
|
|
__u8 reserved5;
|
817 |
|
|
__u8 ocnt;
|
818 |
|
|
/* plus 5 words of reserved fields */
|
819 |
|
|
} __attribute__ ((packed,aligned(8)))
|
820 |
|
|
store_qdio_data_response;
|
821 |
|
|
} operation_data_area;
|
822 |
|
|
} __attribute__ ((packed,aligned(8))) request_block;
|
823 |
|
|
struct {
|
824 |
|
|
/* word 0 */
|
825 |
|
|
__u16 length;
|
826 |
|
|
__u16 response_code;
|
827 |
|
|
/* word 1 */
|
828 |
|
|
__u32 reserved1;
|
829 |
|
|
} __attribute__ ((packed,aligned(8))) response_block;
|
830 |
|
|
} __attribute__ ((packed,aligned(PAGE_SIZE))) qdio_chsc_area_t;
|
831 |
|
|
|
832 |
|
|
|
833 |
|
|
#define QDIO_PRINTK_HEADER QDIO_NAME ": "
|
834 |
|
|
|
835 |
|
|
#if QDIO_VERBOSE_LEVEL>8
|
836 |
|
|
#define QDIO_PRINT_STUPID(x...) printk( KERN_DEBUG QDIO_PRINTK_HEADER x)
|
837 |
|
|
#else
|
838 |
|
|
#define QDIO_PRINT_STUPID(x...)
|
839 |
|
|
#endif
|
840 |
|
|
|
841 |
|
|
#if QDIO_VERBOSE_LEVEL>7
|
842 |
|
|
#define QDIO_PRINT_ALL(x...) printk( QDIO_PRINTK_HEADER x)
|
843 |
|
|
#else
|
844 |
|
|
#define QDIO_PRINT_ALL(x...)
|
845 |
|
|
#endif
|
846 |
|
|
|
847 |
|
|
#if QDIO_VERBOSE_LEVEL>6
|
848 |
|
|
#define QDIO_PRINT_INFO(x...) printk( QDIO_PRINTK_HEADER x)
|
849 |
|
|
#else
|
850 |
|
|
#define QDIO_PRINT_INFO(x...)
|
851 |
|
|
#endif
|
852 |
|
|
|
853 |
|
|
#if QDIO_VERBOSE_LEVEL>5
|
854 |
|
|
#define QDIO_PRINT_WARN(x...) printk( QDIO_PRINTK_HEADER x)
|
855 |
|
|
#else
|
856 |
|
|
#define QDIO_PRINT_WARN(x...)
|
857 |
|
|
#endif
|
858 |
|
|
|
859 |
|
|
#if QDIO_VERBOSE_LEVEL>4
|
860 |
|
|
#define QDIO_PRINT_ERR(x...) printk( QDIO_PRINTK_HEADER x)
|
861 |
|
|
#else
|
862 |
|
|
#define QDIO_PRINT_ERR(x...)
|
863 |
|
|
#endif
|
864 |
|
|
|
865 |
|
|
#if QDIO_VERBOSE_LEVEL>3
|
866 |
|
|
#define QDIO_PRINT_CRIT(x...) printk( QDIO_PRINTK_HEADER x)
|
867 |
|
|
#else
|
868 |
|
|
#define QDIO_PRINT_CRIT(x...)
|
869 |
|
|
#endif
|
870 |
|
|
|
871 |
|
|
#if QDIO_VERBOSE_LEVEL>2
|
872 |
|
|
#define QDIO_PRINT_ALERT(x...) printk( QDIO_PRINTK_HEADER x)
|
873 |
|
|
#else
|
874 |
|
|
#define QDIO_PRINT_ALERT(x...)
|
875 |
|
|
#endif
|
876 |
|
|
|
877 |
|
|
#if QDIO_VERBOSE_LEVEL>1
|
878 |
|
|
#define QDIO_PRINT_EMERG(x...) printk( QDIO_PRINTK_HEADER x)
|
879 |
|
|
#else
|
880 |
|
|
#define QDIO_PRINT_EMERG(x...)
|
881 |
|
|
#endif
|
882 |
|
|
|
883 |
|
|
#endif /* __QDIO_H__ */
|