diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/s390/include/asm/qdio.h')
-rw-r--r-- | ANDROID_3.4.5/arch/s390/include/asm/qdio.h | 406 |
1 files changed, 0 insertions, 406 deletions
diff --git a/ANDROID_3.4.5/arch/s390/include/asm/qdio.h b/ANDROID_3.4.5/arch/s390/include/asm/qdio.h deleted file mode 100644 index d75c8e78..00000000 --- a/ANDROID_3.4.5/arch/s390/include/asm/qdio.h +++ /dev/null @@ -1,406 +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> - -/* only use 4 queues to save some cachelines */ -#define QDIO_MAX_QUEUES_PER_IRQ 4 -#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)); - -#define QDR_AC_MULTI_BUFFER_ENABLE 0x01 - -/** - * 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 -#define QIB_RFLAGS_ENABLE_DATA_DIV 0x02 - -/** - * 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 qaob - queue asynchronous operation block - * @res0: reserved parameters - * @res1: reserved parameter - * @res2: reserved parameter - * @res3: reserved parameter - * @aorc: asynchronous operation return code - * @flags: internal flags - * @cbtbs: control block type - * @sb_count: number of storage blocks - * @sba: storage block element addresses - * @dcount: size of storage block elements - * @user0: user defineable value - * @res4: reserved paramater - * @user1: user defineable value - * @user2: user defineable value - */ -struct qaob { - u64 res0[6]; - u8 res1; - u8 res2; - u8 res3; - u8 aorc; - u8 flags; - u16 cbtbs; - u8 sb_count; - u64 sba[QDIO_MAX_ELEMENTS_PER_BUFFER]; - u16 dcount[QDIO_MAX_ELEMENTS_PER_BUFFER]; - u64 user0; - u64 res4[2]; - u64 user1; - u64 user2; -} __attribute__ ((packed, aligned(256))); - -/** - * 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))); - -#define SBAL_EFLAGS_LAST_ENTRY 0x40 -#define SBAL_EFLAGS_CONTIGUOUS 0x20 -#define SBAL_EFLAGS_FIRST_FRAG 0x04 -#define SBAL_EFLAGS_MIDDLE_FRAG 0x08 -#define SBAL_EFLAGS_LAST_FRAG 0x0c -#define SBAL_EFLAGS_MASK 0x6f - -#define SBAL_SFLAGS0_PCI_REQ 0x40 -#define SBAL_SFLAGS0_DATA_CONTINUATION 0x20 - -/* Awesome OpenFCP extensions */ -#define SBAL_SFLAGS0_TYPE_STATUS 0x00 -#define SBAL_SFLAGS0_TYPE_WRITE 0x08 -#define SBAL_SFLAGS0_TYPE_READ 0x10 -#define SBAL_SFLAGS0_TYPE_WRITE_READ 0x18 -#define SBAL_SFLAGS0_MORE_SBALS 0x04 -#define SBAL_SFLAGS0_COMMAND 0x02 -#define SBAL_SFLAGS0_LAST_SBAL 0x00 -#define SBAL_SFLAGS0_ONLY_SBAL SBAL_SFLAGS0_COMMAND -#define SBAL_SFLAGS0_MIDDLE_SBAL SBAL_SFLAGS0_MORE_SBALS -#define SBAL_SFLAGS0_FIRST_SBAL (SBAL_SFLAGS0_MORE_SBALS | SBAL_SFLAGS0_COMMAND) - -/** - * struct qdio_buffer_element - SBAL entry - * @eflags: SBAL entry flags - * @scount: SBAL count - * @sflags: whole SBAL flags - * @length: length - * @addr: address -*/ -struct qdio_buffer_element { - u8 eflags; - /* private: */ - u8 res1; - /* public: */ - u8 scount; - u8 sflags; - u32 length; -#ifdef CONFIG_32BIT - /* private: */ - void *res2; - /* 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))); - -#define CHSC_AC2_MULTI_BUFFER_AVAILABLE 0x0080 -#define CHSC_AC2_MULTI_BUFFER_ENABLED 0x0040 -#define CHSC_AC2_DATA_DIV_AVAILABLE 0x0010 -#define CHSC_AC2_DATA_DIV_ENABLED 0x0002 - -/** - * struct qdio_outbuf_state - SBAL related asynchronous operation information - * (for communication with upper layer programs) - * (only required for use with completion queues) - * @flags: flags indicating state of buffer - * @aob: pointer to QAOB used for the particular SBAL - * @user: pointer to upper layer program's state information related to SBAL - * (stored in user1 data of QAOB) - */ -struct qdio_outbuf_state { - u8 flags; - struct qaob *aob; - void *user; -}; - -#define QDIO_OUTBUF_STATE_FLAG_NONE 0x00 -#define QDIO_OUTBUF_STATE_FLAG_PENDING 0x01 - -#define CHSC_AC1_INITIATE_INPUTQ 0x80 - - -/* qdio adapter-characteristics-1 flag */ -#define AC1_SIGA_INPUT_NEEDED 0x40 /* process input queues */ -#define AC1_SIGA_OUTPUT_NEEDED 0x20 /* process output queues */ -#define AC1_SIGA_SYNC_NEEDED 0x10 /* ask hypervisor to sync */ -#define AC1_AUTOMATIC_SYNC_ON_THININT 0x08 /* set by hypervisor */ -#define AC1_AUTOMATIC_SYNC_ON_OUT_PCI 0x04 /* set by hypervisor */ -#define AC1_SC_QEBSM_AVAILABLE 0x02 /* available for subchannel */ -#define AC1_SC_QEBSM_ENABLED 0x01 /* enabled for subchannel */ - -#define CHSC_AC2_DATA_DIV_AVAILABLE 0x0010 -#define CHSC_AC2_DATA_DIV_ENABLED 0x0002 - -#define CHSC_AC3_FORMAT2_CQ_AVAILABLE 0x8000 - -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; - u8 mro; - u8 mri; - u16 qdioac3; - u16:16; - u8:8; - u8 mmwc; -} __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_TARGET 0x02 -#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_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 - * @qib_rflags: rflags to set - * @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 - * @queue_start_poll_array: polling handlers (one per input queue or NULL) - * @int_parm: interruption parameter - * @input_sbal_addr_array: address of no_input_qs * 128 pointers - * @output_sbal_addr_array: address of no_output_qs * 128 pointers - * @output_sbal_state_array: no_output_qs * 128 state info (for CQ or NULL) - */ -struct qdio_initialize { - struct ccw_device *cdev; - unsigned char q_format; - unsigned char qdr_ac; - unsigned char adapter_name[8]; - unsigned int qib_param_field_format; - unsigned char *qib_param_field; - unsigned char qib_rflags; - 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; - void (**queue_start_poll_array) (struct ccw_device *, int, - unsigned long); - int scan_threshold; - unsigned long int_parm; - void **input_sbal_addr_array; - void **output_sbal_addr_array; - struct qdio_outbuf_state *output_sbal_state_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_allocate(struct qdio_initialize *); -extern int qdio_establish(struct qdio_initialize *); -extern int qdio_activate(struct ccw_device *); -extern void qdio_release_aob(struct qaob *); -extern int do_QDIO(struct ccw_device *, unsigned int, int, unsigned int, - unsigned int); -extern int qdio_start_irq(struct ccw_device *, int); -extern int qdio_stop_irq(struct ccw_device *, int); -extern int qdio_get_next_buffers(struct ccw_device *, int, int *, int *); -extern int qdio_shutdown(struct ccw_device *, int); -extern int qdio_free(struct ccw_device *); -extern int qdio_get_ssqd_desc(struct ccw_device *, struct qdio_ssqd_desc *); - -#endif /* __QDIO_H__ */ |