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Diffstat (limited to 'include/asm-s390/qdio.h')
| -rw-r--r-- | include/asm-s390/qdio.h | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/include/asm-s390/qdio.h b/include/asm-s390/qdio.h deleted file mode 100644 index 6813772..0000000 --- a/include/asm-s390/qdio.h +++ /dev/null @@ -1,382 +0,0 @@ -/* - * linux/include/asm-s390/qdio.h - * - * Copyright 2000,2008 IBM Corp. - * Author(s): Utz Bacher <utz.bacher@de.ibm.com> - * Jan Glauber <jang@linux.vnet.ibm.com> - * - */ -#ifndef __QDIO_H__ -#define __QDIO_H__ - -#include <linux/interrupt.h> -#include <asm/cio.h> -#include <asm/ccwdev.h> - -#define QDIO_MAX_QUEUES_PER_IRQ 32 -#define QDIO_MAX_BUFFERS_PER_Q 128 -#define QDIO_MAX_BUFFERS_MASK (QDIO_MAX_BUFFERS_PER_Q - 1) -#define QDIO_MAX_ELEMENTS_PER_BUFFER 16 -#define QDIO_SBAL_SIZE 256 - -#define QDIO_QETH_QFMT 0 -#define QDIO_ZFCP_QFMT 1 -#define QDIO_IQDIO_QFMT 2 - -/** - * struct qdesfmt0 - queue descriptor, format 0 - * @sliba: storage list information block address - * @sla: storage list address - * @slsba: storage list state block address - * @akey: access key for DLIB - * @bkey: access key for SL - * @ckey: access key for SBALs - * @dkey: access key for SLSB - */ -struct qdesfmt0 { - u64 sliba; - u64 sla; - u64 slsba; - u32 : 32; - u32 akey : 4; - u32 bkey : 4; - u32 ckey : 4; - u32 dkey : 4; - u32 : 16; -} __attribute__ ((packed)); - -/** - * struct qdr - queue description record (QDR) - * @qfmt: queue format - * @pfmt: implementation dependent parameter format - * @ac: adapter characteristics - * @iqdcnt: input queue descriptor count - * @oqdcnt: output queue descriptor count - * @iqdsz: inpout queue descriptor size - * @oqdsz: output queue descriptor size - * @qiba: queue information block address - * @qkey: queue information block key - * @qdf0: queue descriptions - */ -struct qdr { - u32 qfmt : 8; - u32 pfmt : 8; - u32 : 8; - u32 ac : 8; - u32 : 8; - u32 iqdcnt : 8; - u32 : 8; - u32 oqdcnt : 8; - u32 : 8; - u32 iqdsz : 8; - u32 : 8; - u32 oqdsz : 8; - /* private: */ - u32 res[9]; - /* public: */ - u64 qiba; - u32 : 32; - u32 qkey : 4; - u32 : 28; - struct qdesfmt0 qdf0[126]; -} __attribute__ ((packed, aligned(4096))); - -#define QIB_AC_OUTBOUND_PCI_SUPPORTED 0x40 -#define QIB_RFLAGS_ENABLE_QEBSM 0x80 - -/** - * struct qib - queue information block (QIB) - * @qfmt: queue format - * @pfmt: implementation dependent parameter format - * @rflags: QEBSM - * @ac: adapter characteristics - * @isliba: absolute address of first input SLIB - * @osliba: absolute address of first output SLIB - * @ebcnam: adapter identifier in EBCDIC - * @parm: implementation dependent parameters - */ -struct qib { - u32 qfmt : 8; - u32 pfmt : 8; - u32 rflags : 8; - u32 ac : 8; - u32 : 32; - u64 isliba; - u64 osliba; - u32 : 32; - u32 : 32; - u8 ebcnam[8]; - /* private: */ - u8 res[88]; - /* public: */ - u8 parm[QDIO_MAX_BUFFERS_PER_Q]; -} __attribute__ ((packed, aligned(256))); - -/** - * struct slibe - storage list information block element (SLIBE) - * @parms: implementation dependent parameters - */ -struct slibe { - u64 parms; -}; - -/** - * struct slib - storage list information block (SLIB) - * @nsliba: next SLIB address (if any) - * @sla: SL address - * @slsba: SLSB address - * @slibe: SLIB elements - */ -struct slib { - u64 nsliba; - u64 sla; - u64 slsba; - /* private: */ - u8 res[1000]; - /* public: */ - struct slibe slibe[QDIO_MAX_BUFFERS_PER_Q]; -} __attribute__ ((packed, aligned(2048))); - -/** - * struct sbal_flags - storage block address list flags - * @last: last entry - * @cont: contiguous storage - * @frag: fragmentation - */ -struct sbal_flags { - u8 : 1; - u8 last : 1; - u8 cont : 1; - u8 : 1; - u8 frag : 2; - u8 : 2; -} __attribute__ ((packed)); - -#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 OpenFCP 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 -#define SBAL_FLAGS0_PCI 0x40 - -/** - * struct sbal_sbalf_0 - sbal flags for sbale 0 - * @pci: PCI indicator - * @cont: data continuation - * @sbtype: storage-block type (FCP) - */ -struct sbal_sbalf_0 { - u8 : 1; - u8 pci : 1; - u8 cont : 1; - u8 sbtype : 2; - u8 : 3; -} __attribute__ ((packed)); - -/** - * struct sbal_sbalf_1 - sbal flags for sbale 1 - * @key: storage key - */ -struct sbal_sbalf_1 { - u8 : 4; - u8 key : 4; -} __attribute__ ((packed)); - -/** - * struct sbal_sbalf_14 - sbal flags for sbale 14 - * @erridx: error index - */ -struct sbal_sbalf_14 { - u8 : 4; - u8 erridx : 4; -} __attribute__ ((packed)); - -/** - * struct sbal_sbalf_15 - sbal flags for sbale 15 - * @reason: reason for error state - */ -struct sbal_sbalf_15 { - u8 reason; -} __attribute__ ((packed)); - -/** - * union sbal_sbalf - storage block address list flags - * @i0: sbalf0 - * @i1: sbalf1 - * @i14: sbalf14 - * @i15: sblaf15 - * @value: raw value - */ -union sbal_sbalf { - struct sbal_sbalf_0 i0; - struct sbal_sbalf_1 i1; - struct sbal_sbalf_14 i14; - struct sbal_sbalf_15 i15; - u8 value; -}; - -/** - * struct qdio_buffer_element - SBAL entry - * @flags: flags - * @length: length - * @addr: address -*/ -struct qdio_buffer_element { - u32 flags; - u32 length; -#ifdef CONFIG_32BIT - /* private: */ - void *reserved; - /* public: */ -#endif - void *addr; -} __attribute__ ((packed, aligned(16))); - -/** - * struct qdio_buffer - storage block address list (SBAL) - * @element: SBAL entries - */ -struct qdio_buffer { - struct qdio_buffer_element element[QDIO_MAX_ELEMENTS_PER_BUFFER]; -} __attribute__ ((packed, aligned(256))); - -/** - * struct sl_element - storage list entry - * @sbal: absolute SBAL address - */ -struct sl_element { -#ifdef CONFIG_32BIT - /* private: */ - unsigned long reserved; - /* public: */ -#endif - unsigned long sbal; -} __attribute__ ((packed)); - -/** - * struct sl - storage list (SL) - * @element: SL entries - */ -struct sl { - struct sl_element element[QDIO_MAX_BUFFERS_PER_Q]; -} __attribute__ ((packed, aligned(1024))); - -/** - * struct slsb - storage list state block (SLSB) - * @val: state per buffer - */ -struct slsb { - u8 val[QDIO_MAX_BUFFERS_PER_Q]; -} __attribute__ ((packed, aligned(256))); - -struct qdio_ssqd_desc { - u8 flags; - u8:8; - u16 sch; - u8 qfmt; - u8 parm; - u8 qdioac1; - u8 sch_class; - u8 pcnt; - u8 icnt; - u8:8; - u8 ocnt; - u8:8; - u8 mbccnt; - u16 qdioac2; - u64 sch_token; - u64:64; -} __attribute__ ((packed)); - -/* params are: ccw_device, qdio_error, queue_number, - first element processed, number of elements processed, int_parm */ -typedef void qdio_handler_t(struct ccw_device *, unsigned int, int, - int, int, unsigned long); - -/* qdio errors reported to the upper-layer program */ -#define QDIO_ERROR_SIGA_ACCESS_EXCEPTION 0x10 -#define QDIO_ERROR_SIGA_BUSY 0x20 -#define QDIO_ERROR_ACTIVATE_CHECK_CONDITION 0x40 -#define QDIO_ERROR_SLSB_STATE 0x80 - -/* for qdio_initialize */ -#define QDIO_INBOUND_0COPY_SBALS 0x01 -#define QDIO_OUTBOUND_0COPY_SBALS 0x02 -#define QDIO_USE_OUTBOUND_PCIS 0x04 - -/* for qdio_cleanup */ -#define QDIO_FLAG_CLEANUP_USING_CLEAR 0x01 -#define QDIO_FLAG_CLEANUP_USING_HALT 0x02 - -/** - * struct qdio_initialize - qdio initalization data - * @cdev: associated ccw device - * @q_format: queue format - * @adapter_name: name for the adapter - * @qib_param_field_format: format for qib_parm_field - * @qib_param_field: pointer to 128 bytes or NULL, if no param field - * @input_slib_elements: pointer to no_input_qs * 128 words of data or NULL - * @output_slib_elements: pointer to no_output_qs * 128 words of data or NULL - * @no_input_qs: number of input queues - * @no_output_qs: number of output queues - * @input_handler: handler to be called for input queues - * @output_handler: handler to be called for output queues - * @int_parm: interruption parameter - * @flags: initialization flags - * @input_sbal_addr_array: address of no_input_qs * 128 pointers - * @output_sbal_addr_array: address of no_output_qs * 128 pointers - */ -struct qdio_initialize { - struct ccw_device *cdev; - unsigned char q_format; - unsigned char adapter_name[8]; - unsigned int qib_param_field_format; - unsigned char *qib_param_field; - unsigned long *input_slib_elements; - unsigned long *output_slib_elements; - 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; - void **output_sbal_addr_array; -}; - -#define QDIO_STATE_INACTIVE 0x00000002 /* after qdio_cleanup */ -#define QDIO_STATE_ESTABLISHED 0x00000004 /* after qdio_establish */ -#define QDIO_STATE_ACTIVE 0x00000008 /* after qdio_activate */ -#define QDIO_STATE_STOPPED 0x00000010 /* after queues went down */ - -#define QDIO_FLAG_SYNC_INPUT 0x01 -#define QDIO_FLAG_SYNC_OUTPUT 0x02 -#define QDIO_FLAG_PCI_OUT 0x10 - -extern int qdio_initialize(struct qdio_initialize *init_data); -extern int qdio_allocate(struct qdio_initialize *init_data); -extern int qdio_establish(struct qdio_initialize *init_data); -extern int qdio_activate(struct ccw_device *); - -extern int do_QDIO(struct ccw_device*, unsigned int flags, - int q_nr, int qidx, int count); -extern int qdio_cleanup(struct ccw_device*, int how); -extern int qdio_shutdown(struct ccw_device*, int how); -extern int qdio_free(struct ccw_device *); -extern struct qdio_ssqd_desc *qdio_get_ssqd_desc(struct ccw_device *cdev); - -#endif /* __QDIO_H__ */ |