freebsd-skq/sys/dev/pdq/pdqreg.h

1065 lines
31 KiB
C
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/*-
* Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software withough specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
/*
* DEC PDQ FDDI Controller; PDQ port driver definitions
*
*/
#ifndef _PDQREG_H
#define _PDQREG_H
#if defined(PDQTEST) && !defined(PDQ_NDEBUG)
#include <assert.h>
#define PDQ_ASSERT assert
#else
#define PDQ_ASSERT(x) do { } while(0)
#endif
#define PDQ_RING_SIZE(array) ((sizeof(array) / sizeof(array[0])))
#define PDQ_ARRAY_SIZE(array) ((sizeof(array) / sizeof(array[0])))
#define PDQ_RING_MASK(array) (PDQ_RING_SIZE(array) - 1)
#define PDQ_BITMASK(n) (1L << (pdq_uint32_t) (n))
#define PDQ_FDDI_MAX 4495
#define PDQ_FDDI_LLC_MIN 20
#define PDQ_FDDI_SMT_MIN 37
#define PDQ_FDDI_SMT 0x40
#define PDQ_FDDI_LLC_ASYNC 0x50
#define PDQ_FDDI_LLC_SYNC 0xD0
#define PDQ_FDDI_IMP_ASYNC 0x60
#define PDQ_FDDI_IMP_SYNC 0xE0
#define PDQ_FDDIFC_C 0x80
#define PDQ_FDDIFC_L 0x40
#define PDQ_FDDIFC_F 0x30
#define PDQ_FDDIFC_Z 0x0F
#define PDQ_FDDI_PH0 0x20
#define PDQ_FDDI_PH1 0x38
#define PDQ_FDDI_PH2 0x00
typedef pdq_uint32_t pdq_physaddr_t;
struct _pdq_lanaddr_t {
pdq_uint8_t lanaddr_bytes[8];
};
typedef struct {
pdq_uint8_t fwrev_bytes[4];
} pdq_fwrev_t;
enum _pdq_state_t {
PDQS_RESET=0,
PDQS_UPGRADE=1,
PDQS_DMA_UNAVAILABLE=2,
PDQS_DMA_AVAILABLE=3,
PDQS_LINK_AVAILABLE=4,
PDQS_LINK_UNAVAILABLE=5,
PDQS_HALTED=6,
PDQS_RING_MEMBER=7
};
struct _pdq_csrs_t {
pdq_bus_memoffset_t csr_port_reset; /* 0x00 [RW] */
pdq_bus_memoffset_t csr_host_data; /* 0x04 [R] */
pdq_bus_memoffset_t csr_port_control; /* 0x08 [RW] */
pdq_bus_memoffset_t csr_port_data_a; /* 0x0C [RW] */
pdq_bus_memoffset_t csr_port_data_b; /* 0x10 [RW] */
pdq_bus_memoffset_t csr_port_status; /* 0x14 [R] */
pdq_bus_memoffset_t csr_host_int_type_0; /* 0x18 [RW] */
pdq_bus_memoffset_t csr_host_int_enable; /* 0x1C [RW] */
pdq_bus_memoffset_t csr_type_2_producer; /* 0x20 [RW] */
pdq_bus_memoffset_t csr_cmd_response_producer; /* 0x28 [RW] */
pdq_bus_memoffset_t csr_cmd_request_producer; /* 0x2C [RW] */
pdq_bus_memoffset_t csr_host_smt_producer; /* 0x30 [RW] */
pdq_bus_memoffset_t csr_unsolicited_producer; /* 0x34 [RW] */
pdq_bus_t csr_bus;
pdq_bus_memaddr_t csr_base;
};
struct _pdq_pci_csrs_t {
pdq_bus_memoffset_t csr_pfi_mode_control; /* 0x40 [RW] */
pdq_bus_memoffset_t csr_pfi_status; /* 0x44 [RW] */
pdq_bus_memoffset_t csr_fifo_write; /* 0x48 [RW] */
pdq_bus_memoffset_t csr_fifo_read; /* 0x4C [RW] */
pdq_bus_t csr_bus;
pdq_bus_memaddr_t csr_base;
};
#define PDQ_PFI_MODE_DMA_ENABLE 0x01 /* DMA Enable */
#define PDQ_PFI_MODE_PFI_PCI_INTR 0x02 /* PFI-to-PCI Int Enable */
#define PDQ_PFI_MODE_PDQ_PCI_INTR 0x04 /* PDQ-to-PCI Int Enable */
#define PDQ_PFI_STATUS_PDQ_INTR 0x10 /* PDQ Int received */
#define PDQ_PFI_STATUS_DMA_ABORT 0x08 /* PDQ DMA Abort asserted */
#define PDQ_EISA_BURST_HOLDOFF 0x0040
#define PDQ_EISA_SLOT_ID 0x0C80
#define PDQ_EISA_SLOT_CTRL 0x0C84
#define PDQ_EISA_MEM_ADD_CMP_0 0x0C85
#define PDQ_EISA_MEM_ADD_CMP_1 0x0C86
#define PDQ_EISA_MEM_ADD_CMP_2 0x0C87
#define PDQ_EISA_MEM_ADD_HI_CMP_0 0x0C88
#define PDQ_EISA_MEM_ADD_HI_CMP_1 0x0C89
#define PDQ_EISA_MEM_ADD_HI_CMP_2 0x0C8A
#define PDQ_EISA_MEM_ADD_MASK_0 0x0C8B
#define PDQ_EISA_MEM_ADD_MASK_1 0x0C8C
#define PDQ_EISA_MEM_ADD_MASK_2 0x0C8D
#define PDQ_EISA_MEM_ADD_LO_CMP_0 0x0C8E
#define PDQ_EISA_MEM_ADD_LO_CMP_1 0x0C8F
#define PDQ_EISA_MEM_ADD_LO_CMP_2 0x0C90
#define PDQ_EISA_IO_CMP_0_0 0x0C91
#define PDQ_EISA_IO_CMP_0_1 0x0C92
#define PDQ_EISA_IO_CMP_1_0 0x0C93
#define PDQ_EISA_IO_CMP_1_1 0x0C94
#define PDQ_EISA_IO_CMP_2_0 0x0C95
#define PDQ_EISA_IO_CMP_2_1 0x0C96
#define PDQ_EISA_IO_CMP_3_0 0x0C97
#define PDQ_EISA_IO_CMP_3_1 0x0C98
#define PDQ_EISA_IO_ADD_MASK_0_0 0x0C99
#define PDQ_EISA_IO_ADD_MASK_0_1 0x0C9A
#define PDQ_EISA_IO_ADD_MASK_1_0 0x0C9B
#define PDQ_EISA_IO_ADD_MASK_1_1 0x0C9C
#define PDQ_EISA_IO_ADD_MASK_2_0 0x0C9D
#define PDQ_EISA_IO_ADD_MASK_2_1 0x0C9E
#define PDQ_EISA_IO_ADD_MASK_3_0 0x0C9F
#define PDQ_EISA_IO_ADD_MASK_3_1 0x0CA0
#define PDQ_EISA_MOD_CONFIG_1 0x0CA1
#define PDQ_EISA_MOD_CONFIG_2 0x0CA2
#define PDQ_EISA_MOD_CONFIG_3 0x0CA3
#define PDQ_EISA_MOD_CONFIG_4 0x0CA4
#define PDQ_EISA_MOD_CONFIG_5 0x0CA5
#define PDQ_EISA_MOD_CONFIG_6 0x0CA6
#define PDQ_EISA_MOD_CONFIG_7 0x0CA7
#define PDQ_EISA_DIP_SWITCH 0x0CA8
#define PDQ_EISA_IO_CONFIG_STAT_0 0x0CA9
#define PDQ_EISA_IO_CONFIG_STAT_1 0x0CAA
#define PDQ_EISA_DMA_CONFIG 0x0CAB
#define PDQ_EISA_INPUT_PORT 0x0CAC
#define PDQ_EISA_OUTPUT_PORT 0x0CAD
#define PDQ_EISA_FUNCTION_CTRL 0x0CAE
#define PDQ_TC_CSR_OFFSET 0x00100000
#define PDQ_TC_CSR_SPACE 0x0040
#define PDQ_FBUS_CSR_OFFSET 0x00200000
#define PDQ_FBUS_CSR_SPACE 0x0080
/*
* Port Reset Data A Definitions
*/
#define PDQ_PRESET_SKIP_SELFTEST 0x0004
#define PDQ_PRESET_SOFT_RESET 0x0002
#define PDQ_PRESET_UPGRADE 0x0001
/*
* Port Control Register Definitions
*/
#define PDQ_PCTL_CMD_ERROR 0x8000
#define PDQ_PCTL_FLASH_BLAST 0x4000
#define PDQ_PCTL_HALT 0x2000
#define PDQ_PCTL_COPY_DATA 0x1000
#define PDQ_PCTL_ERROR_LOG_START 0x0800
#define PDQ_PCTL_ERROR_LOG_READ 0x0400
#define PDQ_PCTL_XMT_DATA_FLUSH_DONE 0x0200
#define PDQ_PCTL_DMA_INIT 0x0100
#define PDQ_DMA_INIT_LW_BSWAP_DATA 0x02
#define PDQ_DMA_INIT_LW_BSWAP_LITERAL 0x01
#define PDQ_PCTL_INIT_START 0x0080
#define PDQ_PCTL_CONSUMER_BLOCK 0x0040
#define PDQ_PCTL_DMA_UNINIT 0x0020
#define PDQ_PCTL_RING_MEMBER 0x0010
#define PDQ_PCTL_MLA_READ 0x0008
#define PDQ_PCTL_FW_REV_READ 0x0004
#define PDQ_PCTL_DEVICE_SPECIFIC 0x0002
#define PDQ_PCTL_SUB_CMD 0x0001
typedef enum {
PDQ_SUB_CMD_LINK_UNINIT=1,
PDQ_SUB_CMD_DMA_BURST_SIZE_SET=2,
PDQ_SUB_CMD_PDQ_REV_GET=4
} pdq_sub_cmd_t;
typedef enum {
PDQ_DMA_BURST_4LW=0,
PDQ_DMA_BURST_8LW=1,
PDQ_DMA_BURST_16LW=2,
PDQ_DMA_BURST_32LW=3
} pdq_dma_burst_size_t;
typedef enum {
PDQ_CHIP_REV_A_B_OR_C=0,
PDQ_CHIP_REV_D=2,
PDQ_CHIP_REV_E=4
} pdq_chip_rev_t;
/*
* Port Status Register Definitions
*/
#define PDQ_PSTS_RCV_DATA_PENDING 0x80000000ul
#define PDQ_PSTS_XMT_DATA_PENDING 0x40000000ul
#define PDQ_PSTS_HOST_SMT_PENDING 0x20000000ul
#define PDQ_PSTS_UNSOL_PENDING 0x10000000ul
#define PDQ_PSTS_CMD_RSP_PENDING 0x08000000ul
#define PDQ_PSTS_CMD_REQ_PENDING 0x04000000ul
#define PDQ_PSTS_TYPE_0_PENDING 0x02000000ul
#define PDQ_PSTS_INTR_PENDING 0xFE000000ul
#define PDQ_PSTS_ADAPTER_STATE(sts) ((pdq_state_t) (((sts) >> 8) & 0x07))
#define PDQ_PSTS_HALT_ID(sts) ((pdq_halt_code_t) ((sts) & 0xFF))
/*
* Host Interrupt Register Definitions
*/
#define PDQ_HOST_INT_TX_ENABLE 0x80000000ul
#define PDQ_HOST_INT_RX_ENABLE 0x40000000ul
#define PDQ_HOST_INT_UNSOL_ENABLE 0x20000000ul
#define PDQ_HOST_INT_HOST_SMT_ENABLE 0x10000000ul
#define PDQ_HOST_INT_CMD_RSP_ENABLE 0x08000000ul
#define PDQ_HOST_INT_CMD_RQST_ENABLE 0x04000000ul
#define PDQ_HOST_INT_1MS 0x80
#define PDQ_HOST_INT_20MS 0x40
#define PDQ_HOST_INT_CSR_CMD_DONE 0x20
#define PDQ_HOST_INT_STATE_CHANGE 0x10
#define PDQ_HOST_INT_XMT_DATA_FLUSH 0x08
#define PDQ_HOST_INT_NXM 0x04
#define PDQ_HOST_INT_PM_PARITY_ERROR 0x02
#define PDQ_HOST_INT_HOST_BUS_PARITY_ERROR 0x01
#define PDQ_HOST_INT_FATAL_ERROR 0x07
typedef enum {
PDQH_SELFTEST_TIMEOUT=0,
PDQH_HOST_BUS_PARITY_ERROR=1,
PDQH_HOST_DIRECTED_HALT=2,
PDQH_SOFTWARE_FAULT=3,
PDQH_HARDWARE_FAULT=4,
PDQH_PC_TRACE_PATH_TEST=5,
PDQH_DMA_ERROR=6,
PDQH_IMAGE_CRC_ERROR=7,
PDQH_ADAPTER_PROCESSOR_ERROR=8,
PDQH_MAX=9
} pdq_halt_code_t;
typedef struct {
pdq_uint16_t pdqcb_receives;
pdq_uint16_t pdqcb_transmits;
pdq_uint32_t pdqcb__filler1;
pdq_uint32_t pdqcb_host_smt;
pdq_uint32_t pdqcb__filler2;
pdq_uint32_t pdqcb_unsolicited_event;
pdq_uint32_t pdqcb__filler3;
pdq_uint32_t pdqcb_command_response;
pdq_uint32_t pdqcb__filler4;
pdq_uint32_t pdqcb_command_request;
pdq_uint32_t pdqcb__filler5[7];
} pdq_consumer_block_t;
#if defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN
#define PDQ_BITFIELD2(a, b) b, a
#define PDQ_BITFIELD3(a, b, c) c, b, a
#define PDQ_BITFIELD4(a, b, c, d) d, c, b, a
#define PDQ_BITFIELD5(a, b, c, d, e) e, d, c, b, a
#define PDQ_BITFIELD12(a, b, c, d, e, f, g, h, i, j, k, l) \
l, k, j, i, h, g, f, e, d, c, b, a
#else
#define PDQ_BITFIELD2(a, b) a, b
#define PDQ_BITFIELD3(a, b, c) a, b, c
#define PDQ_BITFIELD4(a, b, c, d) a, b, c, d
#define PDQ_BITFIELD5(a, b, c, d, e) a, b, c, d, e
#define PDQ_BITFIELD12(a, b, c, d, e, f, g, h, i, j, k, l) \
a, b, c, d, e, f, g, h, i, j, k, l
#endif
typedef struct {
pdq_uint32_t PDQ_BITFIELD5(rxd_pa_hi : 16,
rxd_seg_cnt : 4,
rxd_seg_len_hi : 9,
rxd_seg_len_lo : 2,
rxd_sop : 1);
pdq_uint32_t rxd_pa_lo;
} pdq_rxdesc_t;
typedef union {
pdq_uint32_t rxs_status;
pdq_uint32_t PDQ_BITFIELD12(rxs_len : 13,
rxs_rcc_ss : 2,
rxs_rcc_dd : 2,
rxs_rcc_reason : 3,
rxs_rcc_badcrc : 1,
rxs_rcc_badpdu : 1,
rxs_fsb__reserved : 2,
rxs_fsb_c : 1,
rxs_fsb_a : 1,
rxs_fsb_e : 1,
rxs_fsc : 3,
rxs__reserved : 2);
} pdq_rxstatus_t;
typedef struct {
pdq_uint32_t PDQ_BITFIELD5(txd_pa_hi : 16,
txd_seg_len : 13,
txd_mbz : 1,
txd_eop : 1,
txd_sop : 1);
pdq_uint32_t txd_pa_lo;
} pdq_txdesc_t;
typedef struct {
pdq_rxdesc_t pdqdb_receives[256]; /* 2048; 0x0000..0x07FF */
pdq_txdesc_t pdqdb_transmits[256]; /* 2048; 0x0800..0x0FFF */
pdq_rxdesc_t pdqdb_host_smt[64]; /* 512; 0x1000..0x11FF */
pdq_rxdesc_t pdqdb_unsolicited_events[16]; /* 128; 0x1200..0x127F */
pdq_rxdesc_t pdqdb_command_responses[16]; /* 128; 0x1280..0x12FF */
pdq_txdesc_t pdqdb_command_requests[16]; /* 128; 0x1300..0x137F */
/*
* The rest of the descriptor block is unused.
* As such we could use it for other things.
*/
pdq_consumer_block_t pdqdb_consumer; /* 64; 0x1380..0x13BF */
void *pdqdb_receive_buffers[256]; /* 1024/2048; 0x13C0..0x17BF 0x13C0..0x1BBF */
void *pdqdb_host_smt_buffers[64]; /* 256/ 512; 0x17C0..0x18BF 0x1BC0..0x1DBF */
/*
* The maximum command size is 512 so as long as thes
* command is at least that long all will be fine.
*/
#if defined(__alpha) || defined(__alpha__)
pdq_uint32_t pdqdb_command_pool[144];
#else
pdq_uint32_t pdqdb_command_pool[464];
#endif
} pdq_descriptor_block_t;
typedef struct {
/*
* These value manage the available space in command/response
* buffer area.
*/
pdq_physaddr_t ci_pa_bufstart;
pdq_uint8_t *ci_bufstart;
/*
* Bitmask of commands to sent to the PDQ
*/
pdq_uint32_t ci_pending_commands;
/*
* Variables to maintain the PDQ queues.
*/
pdq_uint32_t ci_command_active;
pdq_uint32_t ci_request_producer;
pdq_uint32_t ci_response_producer;
pdq_uint32_t ci_request_completion;
pdq_uint32_t ci_response_completion;
} pdq_command_info_t;
#define PDQ_SIZE_UNSOLICITED_EVENT 512
#define PDQ_NUM_UNSOLICITED_EVENTS (PDQ_OS_PAGESIZE / PDQ_SIZE_UNSOLICITED_EVENT)
typedef struct _pdq_unsolicited_event_t pdq_unsolicited_event_t;
typedef struct {
pdq_physaddr_t ui_pa_bufstart;
pdq_unsolicited_event_t *ui_events;
pdq_uint32_t ui_free;
pdq_uint32_t ui_producer;
pdq_uint32_t ui_completion;
} pdq_unsolicited_info_t;
#define PDQ_RX_FC_OFFSET (sizeof(pdq_rxstatus_t) + 3)
#define PDQ_RX_SEGCNT ((PDQ_FDDI_MAX + PDQ_OS_DATABUF_SIZE - 1) / PDQ_OS_DATABUF_SIZE)
#define PDQ_DO_TYPE2_PRODUCER(pdq) \
PDQ_CSR_WRITE(&(pdq)->pdq_csrs, csr_type_2_producer, \
((pdq)->pdq_rx_info.rx_producer << 0) \
| ((pdq)->pdq_tx_info.tx_producer << 8) \
| ((pdq)->pdq_rx_info.rx_completion << 16) \
| ((pdq)->pdq_tx_info.tx_completion << 24))
#define PDQ_DO_HOST_SMT_PRODUCER(pdq) \
PDQ_CSR_WRITE(&(pdq)->pdq_csrs, csr_host_smt_producer, \
((pdq)->pdq_host_smt_info.rx_producer << 0) \
| ((pdq)->pdq_host_smt_info.rx_completion << 8))\
#define PDQ_ADVANCE(n, a, m) ((n) = ((n) + (a)) & (m))
typedef struct {
void *q_head;
void *q_tail;
} pdq_databuf_queue_t;
typedef struct {
void *rx_buffers;
pdq_uint32_t rx_target;
pdq_uint32_t rx_free;
pdq_uint32_t rx_producer;
pdq_uint32_t rx_completion;
} pdq_rx_info_t;
typedef struct {
pdq_databuf_queue_t tx_txq;
pdq_txdesc_t tx_hdrdesc;
pdq_uint8_t tx_descriptor_count[256];
pdq_uint32_t tx_free;
pdq_uint32_t tx_producer;
pdq_uint32_t tx_completion;
} pdq_tx_info_t;
struct _pdq_t {
pdq_csrs_t pdq_csrs;
pdq_pci_csrs_t pdq_pci_csrs;
pdq_type_t pdq_type;
pdq_chip_rev_t pdq_chip_rev;
pdq_lanaddr_t pdq_hwaddr;
pdq_fwrev_t pdq_fwrev;
pdq_descriptor_block_t *pdq_dbp;
volatile pdq_consumer_block_t *pdq_cbp;
pdq_uint32_t pdq_flags;
#define PDQ_PROMISC 0x0001
#define PDQ_ALLMULTI 0x0002
#define PDQ_PASS_SMT 0x0004
#define PDQ_RUNNING 0x0008
#define PDQ_PRINTCHARS 0x0010
#define PDQ_TXOK 0x0020
const char *pdq_os_name;
void *pdq_os_ctx;
pdq_uint32_t pdq_unit;
pdq_command_info_t pdq_command_info;
pdq_unsolicited_info_t pdq_unsolicited_info;
pdq_tx_info_t pdq_tx_info;
pdq_rx_info_t pdq_rx_info;
pdq_rx_info_t pdq_host_smt_info;
pdq_uint8_t pdq_tx_hdr[3];
};
typedef enum {
PDQC_START=0,
PDQC_FILTER_SET=1,
PDQC_FILTER_GET=2,
PDQC_CHARS_SET=3,
PDQC_STATUS_CHARS_GET=4,
PDQC_COUNTERS_GET=5,
PDQC_COUNTERS_SET=6,
PDQC_ADDR_FILTER_SET=7,
PDQC_ADDR_FILTER_GET=8,
PDQC_ERROR_LOG_CLEAR=9,
PDQC_ERROR_LOG_GET=10,
PDQC_FDDI_MIB_GET=11,
PDQC_DEC_EXT_MIB_GET=12,
PDQC_DEV_SPECIFIC_GET=13,
PDQC_SNMP_SET=14,
PDQC_SMT_MIB_GET=16,
PDQC_SMT_MIB_SET=17
} pdq_cmd_code_t;
typedef enum {
PDQR_SUCCESS=0,
PDQR_FAILURE=1,
PDQR_WARNING=2,
PDQR_LOOP_MODE_BAD=3,
PDQR_ITEM_CODE_BAD=4,
PDQR_TVX_BAD=5,
PDQR_TREQ_BAD=6,
PDQR_RESTRICTED_TOKEN_BAD=7,
PDQR_NO_EOL=12,
PDQR_FILTER_STATE_BAD=13,
PDQR_CMD_TYPE_BAD=14,
PDQR_ADAPTER_STATE_BAD=15,
PDQR_RING_PURGER_BAD=16,
PDQR_LEM_THRESHOLD_BAD=17,
PDQR_LOOP_NOT_SUPPORTED=18,
PDQR_FLUSH_TIME_BAD=19,
PDQR_NOT_YET_IMPLEMENTED=20,
PDQR_CONFIG_POLICY_BAD=21,
PDQR_STATION_ACTION_BAD=22,
PDQR_MAC_ACTION_BAD=23,
PDQR_CON_POLICIES_BAD=24,
PDQR_MAC_LOOP_TIME_BAD=25,
PDQR_TB_MAX_BAD=26,
PDQR_LER_CUTOFF_BAD=27,
PDQR_LER_ALARM_BAD=28,
PDQR_MAC_PATHS_REQ_BAD=29,
PDQR_MAC_T_REQ_BAD=30,
PDQR_EMAC_RING_PURGER_BAD=31,
PDQR_EMAC_RTOKEN_TIMOUT_AD=32,
PDQR_NO_SUCH_ENTRY=33,
PDQR_T_NOTIFY_BAD=34,
PDQR_TR_MAX_EXP_BAD=35,
PDQR_FRAME_ERR_THRESHOLD_BAD=36,
PDQR_MAX_TREQ_BAD=37,
PDQR_FULL_DUPLEX_ENABLE_BAD=38,
PDQR_ITEM_INDEX_BAD=39
} pdq_response_code_t;
typedef enum {
PDQI_EOL=0,
PDQI_T_REQ=1,
PDQI_TVX=2,
PDQI_RESTRICTED_TOKEN=3,
PDQI_LEM_THRESHOLD=4,
PDQI_RING_PURGER=5,
PDQI_COUNTER_INTERVAL=6,
PDQI_IND_GROUP_PROM=7,
PDQI_GROUP_PROM=8,
PDQI_BROADCAST=9,
PDQI_SMT_PROM=10,
PDQI_SMT_USER=11,
PDQI_RESERVED=12,
PDQI_IMPLEMENTOR=13,
PDQI_LOOPBACK_MODE=14,
PDQI_SMT_CONFIG_POLICY=16,
PDQI_SMT_CONNECTION_POLICY=17,
PDQI_SMT_T_NOTIFY=18,
PDQI_SMT_STATION_ACTION=19,
PDQI_MAC_PATHS_REQUESTED=21,
PDQI_MAC_ACTION=23,
PDQI_PORT_CONNECTION_POLICIES=24,
PDQI_PORT_PATHS_REQUESTED=25,
PDQI_PORT_MAC_LOOP_TIME=26,
PDQI_PORT_TB_MAX=27,
PDQI_PORT_LER_CUTOFF=28,
PDQI_PORT_LER_ALARM=29,
PDQI_PORT_ACTION=30,
PDQI_FLUSH_TIME=32,
PDQI_SMT_USER_DATA=33,
PDQI_SMT_STATUS_REPORT_POLICY=34,
PDQI_SMT_TRACE_MAX_EXPIRATION=35,
PDQI_MAC_FRAME_ERR_THRESHOLD=36,
PDQI_MAC_UNIT_DATA_ENABLE=37,
PDQI_PATH_TVX_LOWER_BOUND=38,
PDQI_PATH_TMAX_LOWER_BOUND=39,
PDQI_PATH_MAX_TREQ=40,
PDQI_MAC_TREQ=41,
PDQI_EMAC_RING_PURGER=42,
PDQI_EMAC_RTOKEN_TIMEOUT=43,
PDQI_FULL_DUPLEX_ENABLE=44
} pdq_item_code_t;
enum _pdq_boolean_t {
PDQ_FALSE=0,
PDQ_TRUE=1
};
typedef enum {
PDQ_FILTER_BLOCK=0,
PDQ_FILTER_PASS=1
} pdq_filter_state_t;
typedef enum {
PDQ_STATION_TYPE_SAS=0,
PDQ_STATION_TYPE_DAC=1,
PDQ_STATION_TYPE_SAC=2,
PDQ_STATION_TYPE_NAC=3,
PDQ_STATION_TYPE_DAS=4
} pdq_station_type_t;
typedef enum {
PDQ_STATION_STATE_OFF=0,
PDQ_STATION_STATE_ON=1,
PDQ_STATION_STATE_LOOPBACK=2
} pdq_station_state_t;
typedef enum {
PDQ_LINK_STATE_OFF_READY=1,
PDQ_LINK_STATE_OFF_FAULT_RECOVERY=2,
PDQ_LINK_STATE_ON_RING_INIT=3,
PDQ_LINK_STATE_ON_RING_RUN=4,
PDQ_LINK_STATE_BROKEN=5
} pdq_link_state_t;
typedef enum {
PDQ_DA_TEST_STATE_UNKNOWN=0,
PDQ_DA_TEST_STATE_SUCCESS=1,
PDQ_DA_TEST_STATE_DUPLICATE=2
} pdq_da_test_state_t;
typedef enum {
PDQ_RING_PURGER_STATE_OFF=0,
PDQ_RING_PURGER_STATE_CANDIDATE=1,
PDQ_RING_PURGER_STATE_NON_PURGER=2,
PDQ_RING_PURGER_STATE_PURGER=3
} pdq_ring_purger_state_t;
typedef enum {
PDQ_FRAME_STRING_MODE_SA_MATCH=0,
PDQ_FRAME_STRING_MODE_FCI_STRIP=1
} pdq_frame_strip_mode_t;
typedef enum {
PDQ_RING_ERROR_REASON_NO_ERROR=0,
PDQ_RING_ERROR_REASON_RING_INIT_INITIATED=5,
PDQ_RING_ERROR_REASON_RING_INIT_RECEIVED=6,
PDQ_RING_ERROR_REASON_RING_BEACONING_INITIATED=7,
PDQ_RING_ERROR_REASON_DUPLICATE_ADDRESS_DETECTED=8,
PDQ_RING_ERROR_REASON_DUPLICATE_TOKEN_DETECTED=9,
PDQ_RING_ERROR_REASON_RING_PURGER_ERROR=10,
PDQ_RING_ERROR_REASON_FCI_STRIP_ERROR=11,
PDQ_RING_ERROR_REASON_RING_OP_OSCILLATION=12,
PDQ_RING_ERROR_REASON_DIRECTED_BEACON_RECEVIED=13,
PDQ_RING_ERROR_REASON_PC_TRACE_INITIATED=14,
PDQ_RING_ERROR_REASON_PC_TRACE_RECEVIED=15
} pdq_ring_error_reason_t;
typedef enum {
PDQ_STATION_MODE_NORMAL=0,
PDQ_STATION_MODE_INTERNAL_LOOPBACK=1
} pdq_station_mode_t;
typedef enum {
PDQ_PHY_TYPE_A=0,
PDQ_PHY_TYPE_B=1,
PDQ_PHY_TYPE_S=2,
PDQ_PHY_TYPE_M=3,
PDQ_PHY_TYPE_UNKNOWN=4
} pdq_phy_type_t;
typedef enum {
PDQ_PMD_TYPE_ANSI_MUTLI_MODE=0,
PDQ_PMD_TYPE_ANSI_SINGLE_MODE_TYPE_1=1,
PDQ_PMD_TYPE_ANSI_SIGNLE_MODE_TYPE_2=2,
PDQ_PMD_TYPE_ANSI_SONET=3,
PDQ_PMD_TYPE_LOW_POWER=100,
PDQ_PMD_TYPE_THINWIRE=101,
PDQ_PMD_TYPE_SHIELDED_TWISTED_PAIR=102,
PDQ_PMD_TYPE_UNSHIELDED_TWISTED_PAIR=103
} pdq_pmd_type_t;
typedef enum {
PDQ_PMD_CLASS_ANSI_MULTI_MODE=0,
PDQ_PMD_CLASS_SINGLE_MODE_TYPE_1=1,
PDQ_PMD_CLASS_SINGLE_MODE_TYPE_2=2,
PDQ_PMD_CLASS_SONET=3,
PDQ_PMD_CLASS_LOW_COST_POWER_FIBER=4,
PDQ_PMD_CLASS_TWISTED_PAIR=5,
PDQ_PMD_CLASS_UNKNOWN=6,
PDQ_PMD_CLASS_UNSPECIFIED=7
} pdq_pmd_class_t;
typedef enum {
PDQ_PHY_STATE_INTERNAL_LOOPBACK=0,
PDQ_PHY_STATE_BROKEN=1,
PDQ_PHY_STATE_OFF_READY=2,
PDQ_PHY_STATE_WAITING=3,
PDQ_PHY_STATE_STARTING=4,
PDQ_PHY_STATE_FAILED=5,
PDQ_PHY_STATE_WATCH=6,
PDQ_PHY_STATE_INUSE=7
} pdq_phy_state_t;
typedef enum {
PDQ_REJECT_REASON_NONE=0,
PDQ_REJECT_REASON_LOCAL_LCT=1,
PDQ_REJECT_REASON_REMOTE_LCT=2,
PDQ_REJECT_REASON_LCT_BOTH_SIDES=3,
PDQ_REJECT_REASON_LEM_REJECT=4,
PDQ_REJECT_REASON_TOPOLOGY_ERROR=5,
PDQ_REJECT_REASON_NOISE_REJECT=6,
PDQ_REJECT_REASON_REMOTE_REJECT=7,
PDQ_REJECT_REASON_TRACE_IN_PROGRESS=8,
PDQ_REJECT_REASON_TRACE_RECEIVED_DISABLED=9,
PDQ_REJECT_REASON_STANDBY=10,
PDQ_REJECT_REASON_LCT_PROTOCOL_ERROR=11
} pdq_reject_reason_t;
typedef enum {
PDQ_BROKEN_REASON_NONE=0
} pdq_broken_reason_t;
typedef enum {
PDQ_RI_REASON_TVX_EXPIRED=0,
PDQ_RI_REASON_TRT_EXPIRED=1,
PDQ_RI_REASON_RING_PURGER_ELECTION_ATTEMPT_LIMIT_EXCEEDED=2,
PDQ_RI_REASON_PURGE_ERROR_LIMIT_EXCEEDED=3,
PDQ_RI_REASON_RESTRICTED_TOKEN_TIMEOUT=4
} pdq_ri_reason_t;
typedef enum {
PDQ_LCT_DIRECTION_LOCAL_LCT=0,
PDQ_LCT_DIRECTION_REMOTE_LCT=1,
PDQ_LCT_DIRECTION_LCT_BOTH_SIDES=2
} pdq_lct_direction_t;
typedef enum {
PDQ_PORT_A=0,
PDQ_PORT_B=1
} pdq_port_type_t;
typedef struct {
pdq_uint8_t station_id_bytes[8];
} pdq_station_id_t;
typedef pdq_uint32_t pdq_fdditimer_t;
/*
* Command format for Start, Filter_Get, ... commands
*/
typedef struct {
pdq_cmd_code_t generic_op;
} pdq_cmd_generic_t;
/*
* Response format for Start, Filter_Set, ... commands
*/
typedef struct {
pdq_uint32_t generic_reserved;
pdq_cmd_code_t generic_op;
pdq_response_code_t generic_status;
} pdq_response_generic_t;
/*
* Command format for Filter_Set command
*/
typedef struct {
pdq_cmd_code_t filter_set_op;
struct {
pdq_item_code_t item_code;
pdq_filter_state_t filter_state;
} filter_set_items[7];
pdq_item_code_t filter_set_eol_item_code;
} pdq_cmd_filter_set_t;
/*
* Response format for Filter_Get command.
*/
typedef struct {
pdq_uint32_t filter_get_reserved;
pdq_cmd_code_t filter_get_op;
pdq_response_code_t filter_get_status;
pdq_filter_state_t filter_get_ind_group_prom;
pdq_filter_state_t filter_get_group_prom;
pdq_filter_state_t filter_get_broadcast_all;
pdq_filter_state_t filter_get_smt_prom;
pdq_filter_state_t filter_get_smt_user;
pdq_filter_state_t filter_get_reserved_all;
pdq_filter_state_t filter_get_implementor_all;
} pdq_response_filter_get_t;
#define PDQ_SIZE_RESPONSE_FILTER_GET 0x28
typedef struct {
pdq_cmd_code_t chars_set_op;
struct {
pdq_item_code_t item_code;
pdq_uint32_t item_value;
pdq_port_type_t item_port;
} chars_set_items[1];
pdq_item_code_t chars_set_eol_item_code;
} pdq_cmd_chars_set_t;
typedef struct {
pdq_cmd_code_t addr_filter_set_op;
pdq_lanaddr_t addr_filter_set_addresses[62];
} pdq_cmd_addr_filter_set_t;
#define PDQ_SIZE_CMD_ADDR_FILTER_SET 0x1F4
typedef struct {
pdq_uint32_t addr_filter_get_reserved;
pdq_cmd_code_t addr_filter_get_op;
pdq_response_code_t addr_filter_get_status;
pdq_lanaddr_t addr_filter_get_addresses[62];
} pdq_response_addr_filter_get_t;
#define PDQ_SIZE_RESPONSE_ADDR_FILTER_GET 0x1FC
typedef struct {
pdq_uint32_t status_chars_get_reserved;
pdq_cmd_code_t status_chars_get_op;
pdq_response_code_t status_chars_get_status;
struct {
/* Station Characteristic Attributes */
pdq_station_id_t station_id;
pdq_station_type_t station_type;
pdq_uint32_t smt_version_id;
pdq_uint32_t smt_max_version_id;
pdq_uint32_t smt_min_version_id;
/* Station Status Attributes */
pdq_station_state_t station_state;
/* Link Characteristic Attributes */
pdq_lanaddr_t link_address;
pdq_fdditimer_t t_req;
pdq_fdditimer_t tvx;
pdq_fdditimer_t restricted_token_timeout;
pdq_boolean_t ring_purger_enable;
pdq_link_state_t link_state;
pdq_fdditimer_t negotiated_trt;
pdq_da_test_state_t dup_addr_flag;
/* Link Status Attributes */
pdq_lanaddr_t upstream_neighbor;
pdq_lanaddr_t old_upstream_neighbor;
pdq_boolean_t upstream_neighbor_dup_addr_flag;
pdq_lanaddr_t downstream_neighbor;
pdq_lanaddr_t old_downstream_neighbor;
pdq_ring_purger_state_t ring_purger_state;
pdq_frame_strip_mode_t frame_strip_mode;
pdq_ring_error_reason_t ring_error_reason;
pdq_boolean_t loopback;
pdq_fdditimer_t ring_latency;
pdq_lanaddr_t last_dir_beacon_sa;
pdq_lanaddr_t last_dir_beacon_una;
/* Phy Characteristic Attributes */
pdq_phy_type_t phy_type[2];
pdq_pmd_type_t pmd_type[2];
pdq_uint32_t lem_threshold[2];
/* Phy Status Attributes */
pdq_phy_state_t phy_state[2];
pdq_phy_type_t neighbor_phy_type[2];
pdq_uint32_t link_error_estimate[2];
pdq_broken_reason_t broken_reason[2];
pdq_reject_reason_t reject_reason[2];
/* Miscellaneous */
pdq_uint32_t counter_interval;
pdq_fwrev_t module_rev;
pdq_fwrev_t firmware_rev;
pdq_uint32_t mop_device_type;
pdq_uint32_t fddi_led[2];
pdq_uint32_t flush;
} status_chars_get;
} pdq_response_status_chars_get_t;
#define PDQ_SIZE_RESPONSE_STATUS_CHARS_GET 0xF0
typedef struct {
pdq_uint32_t fddi_mib_get_reserved;
pdq_cmd_code_t fddi_mib_get_op;
pdq_response_code_t fddi_mib_get_status;
struct {
/* SMT Objects */
pdq_station_id_t smt_station_id;
pdq_uint32_t smt_op_version_id;
pdq_uint32_t smt_hi_version_id;
pdq_uint32_t smt_lo_version_id;
pdq_uint32_t smt_mac_ct;
pdq_uint32_t smt_non_master_ct;
pdq_uint32_t smt_master_ct;
pdq_uint32_t smt_paths_available;
pdq_uint32_t smt_config_capabilities;
pdq_uint32_t smt_config_policy;
pdq_uint32_t smt_connection_policy;
pdq_uint32_t smt_t_notify;
pdq_uint32_t smt_status_reporting;
pdq_uint32_t smt_ecm_state;
pdq_uint32_t smt_cf_state;
pdq_uint32_t smt_hold_state;
pdq_uint32_t smt_remote_disconnect_flag;
pdq_uint32_t smt_station_action;
/* MAC Objects */
pdq_uint32_t mac_frame_status_capabilities;
pdq_uint32_t mac_t_max_greatest_lower_bound;
pdq_uint32_t mac_tvx_greatest_lower_bound;
pdq_uint32_t mac_paths_available;
pdq_uint32_t mac_current_path;
pdq_lanaddr_t mac_upstream_neighbor;
pdq_lanaddr_t mac_old_upstream_neighbor;
pdq_uint32_t mac_dup_addr_test;
pdq_uint32_t mac_paths_requested;
pdq_uint32_t mac_downstream_port_type;
pdq_lanaddr_t mac_smt_address;
pdq_uint32_t mac_t_req;
pdq_uint32_t mac_t_neg;
pdq_uint32_t mac_t_max;
pdq_uint32_t mac_tvx_value;
pdq_uint32_t mac_t_min;
pdq_uint32_t mac_current_frame_status;
pdq_uint32_t mac_frame_error_threshold;
pdq_uint32_t mac_frame_error_ratio;
pdq_uint32_t mac_rmt_state;
pdq_uint32_t mac_da_flag;
pdq_uint32_t mac_una_da_flag;
pdq_uint32_t mac_frame_condition;
pdq_uint32_t mac_chip_set;
pdq_uint32_t mac_action;
/* Port Objects */
pdq_uint32_t port_pc_type[2];
pdq_uint32_t port_pc_neighbor[2];
pdq_uint32_t port_connection_policies[2];
pdq_uint32_t port_remote_mac_indicated[2];
pdq_uint32_t port_ce_state[2];
pdq_uint32_t port_paths_requested[2];
pdq_uint32_t port_mac_placement[2];
pdq_uint32_t port_available_paths[2];
pdq_uint32_t port_mac_loop_time[2];
pdq_uint32_t port_tb_max[2];
pdq_uint32_t port_bs_flag[2];
pdq_uint32_t port_ler_estimate[2];
pdq_uint32_t port_ler_cutoff[2];
pdq_uint32_t port_ler_alarm[2];
pdq_uint32_t port_connect_state[2];
pdq_uint32_t port_pcm_state[2];
pdq_uint32_t port_pc_withhold[2];
pdq_uint32_t port_ler_condition[2];
pdq_uint32_t port_chip_set[2];
pdq_uint32_t port_action[2];
/* Attachment Objects */
pdq_uint32_t attachment_class;
pdq_uint32_t attachment_optical_bypass_present;
pdq_uint32_t attachment_imax_expiration;
pdq_uint32_t attachment_inserted_status;
pdq_uint32_t attachment_insert_policy;
} fddi_mib_get;
} pdq_response_fddi_mib_get_t;
#define PDQ_SIZE_RESPONSE_FDDI_MIB_GET 0x17C
typedef enum {
PDQ_FDX_STATE_IDLE=0,
PDQ_FDX_STATE_REQUEST=1,
PDQ_FDX_STATE_CONFIRM=2,
PDQ_FDX_STATE_OPERATION=3
} pdq_fdx_state_t;
typedef struct {
pdq_uint32_t dec_ext_mib_get_reserved;
pdq_cmd_code_t dec_ext_mib_get_op;
pdq_response_code_t dec_ext_mib_get_response;
struct {
/* SMT Objects */
pdq_uint32_t esmt_station_type;
/* MAC Objects */
pdq_uint32_t emac_link_state;
pdq_uint32_t emac_ring_purger_state;
pdq_uint32_t emac_ring_purger_enable;
pdq_uint32_t emac_frame_strip_mode;
pdq_uint32_t emac_ring_error_reason;
pdq_uint32_t emac_upstream_nbr_dupl_address_flag;
pdq_uint32_t emac_restricted_token_timeout;
/* Port Objects */
pdq_uint32_t eport_pmd_type[2];
pdq_uint32_t eport_phy_state[2];
pdq_uint32_t eport_reject_reason[2];
/* Full Duplex Objects */
pdq_boolean_t fdx_enable;
pdq_boolean_t fdx_operational;
pdq_fdx_state_t fdx_state;
} dec_ext_mib_get;
} pdq_response_dec_ext_mib_get_t;
#define PDQ_SIZE_RESPONSE_DEC_EXT_MIB_GET 0x50
typedef enum {
PDQ_CALLER_ID_NONE=0,
PDQ_CALLER_ID_SELFTEST=1,
PDQ_CALLER_ID_MFG=2,
PDQ_CALLER_ID_FIRMWARE=5,
PDQ_CALLER_ID_CONSOLE=8
} pdq_caller_id_t;
typedef struct {
pdq_uint32_t error_log_get__reserved;
pdq_cmd_code_t error_log_get_op;
pdq_response_code_t error_log_get_status;
/* Error Header */
pdq_uint32_t error_log_get_event_status;
/* Event Information Block */
pdq_caller_id_t error_log_get_caller_id;
pdq_uint32_t error_log_get_timestamp[2];
pdq_uint32_t error_log_get_write_count;
/* Diagnostic Information */
pdq_uint32_t error_log_get_fru_implication_mask;
pdq_uint32_t error_log_get_test_id;
pdq_uint32_t error_log_get_diag_reserved[6];
/* Firmware Information */
pdq_uint32_t error_log_get_fw_reserved[112];
} pdq_response_error_log_get_t;
/*
* Definitions for the Unsolicited Event Queue.
*/
typedef enum {
PDQ_UNSOLICITED_EVENT=0,
PDQ_UNSOLICITED_COUNTERS=1
} pdq_event_t;
typedef enum {
PDQ_ENTITY_STATION=0,
PDQ_ENTITY_LINK=1,
PDQ_ENTITY_PHY_PORT=2
} pdq_entity_t;
typedef enum {
PDQ_STATION_EVENT_TRACE_RECEIVED=1
} pdq_station_event_t;
typedef enum {
PDQ_STATION_EVENT_ARGUMENT_REASON=0, /* pdq_uint32_t */
PDQ_STATION_EVENT_ARGUMENT_EOL=0xFF
} pdq_station_event_argument_t;
typedef enum {
PDQ_LINK_EVENT_TRANSMIT_UNDERRUN=0,
PDQ_LINK_EVENT_TRANSMIT_FAILED=1,
PDQ_LINK_EVENT_BLOCK_CHECK_ERROR=2,
PDQ_LINK_EVENT_FRAME_STATUS_ERROR=3,
PDQ_LINK_EVENT_PDU_LENGTH_ERROR=4,
PDQ_LINK_EVENT_RECEIVE_DATA_OVERRUN=7,
PDQ_LINK_EVENT_NO_USER_BUFFER=9,
PDQ_LINK_EVENT_RING_INITIALIZATION_INITIATED=10,
PDQ_LINK_EVENT_RING_INITIALIZATION_RECEIVED=11,
PDQ_LINK_EVENT_RING_BEACON_INITIATED=12,
PDQ_LINK_EVENT_DUPLICATE_ADDRESS_FAILURE=13,
PDQ_LINK_EVENT_DUPLICATE_TOKEN_DETECTED=14,
PDQ_LINK_EVENT_RING_PURGE_ERROR=15,
PDQ_LINK_EVENT_FCI_STRIP_ERROR=16,
PDQ_LINK_EVENT_TRACE_INITIATED=17,
PDQ_LINK_EVENT_DIRECTED_BEACON_RECEIVED=18
} pdq_link_event_t;
typedef enum {
PDQ_LINK_EVENT_ARGUMENT_REASON=0, /* pdq_rireason_t */
PDQ_LINK_EVENT_ARGUMENT_DATA_LINK_HEADER=1, /* pdq_dlhdr_t */
PDQ_LINK_EVENT_ARGUMENT_SOURCE=2, /* pdq_lanaddr_t */
PDQ_LINK_EVENT_ARGUMENT_UPSTREAM_NEIGHBOR=3,/* pdq_lanaddr_t */
PDQ_LINK_EVENT_ARGUMENT_EOL=0xFF
} pdq_link_event_argument_t;
typedef enum {
PDQ_PHY_EVENT_LEM_ERROR_MONITOR_REJECT=0,
PDQ_PHY_EVENT_ELASTICITY_BUFFER_ERROR=1,
PDQ_PHY_EVENT_LINK_CONFIDENCE_TEST_REJECT=2
} pdq_phy_event_t;
typedef enum {
PDQ_PHY_EVENT_ARGUMENT_DIRECTION=0, /* pdq_lct_direction_t */
PDQ_PHY_EVENT_ARGUMENT_EOL=0xFF
} pdq_phy_event_arguments;
struct _pdq_unsolicited_event_t {
pdq_uint32_t rvent_reserved;
pdq_event_t event_type;
pdq_entity_t event_entity;
pdq_uint32_t event_index;
union {
pdq_station_event_t station_event;
pdq_link_event_t link_event;
pdq_phy_event_t phy_event;
pdq_uint32_t value;
} event_code;
/*
* The remainder of this event is an argument list.
*/
pdq_uint32_t event__filler[123];
};
#endif /* _PDQREG_H */