[S390] move include/asm-s390 to arch/s390/include/asm

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

1 files changed, 382 insertions, 0 deletions

diff --git a/arch/s390/include/asm/qdio.h b/arch/s390/include/asm/qdio.h
new file mode 100644
index 000000000000..6813772171f2
--- /dev/null
+++ b/arch/s390/include/asm/qdio.h
@@ -0,0 +1,382 @@
+/*
+ * 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__ */