030bf318b0
results in hung i/o if more than 128 commands are scheduled for an array.
146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/*-
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* Copyright (c) 2006 IronPort Systems
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
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struct iovec32 {
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u_int32_t iov_base;
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int iov_len;
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};
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#endif
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#define MFIQ_FREE 0
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#define MFIQ_BIO 1
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#define MFIQ_READY 2
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#define MFIQ_BUSY 3
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#define MFIQ_COUNT 4
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struct mfi_qstat {
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uint32_t q_length;
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uint32_t q_max;
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};
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union mfi_statrequest {
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uint32_t ms_item;
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struct mfi_qstat ms_qstat;
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};
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#define MAX_IOCTL_SGE 16
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struct mfi_ioc_packet {
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uint16_t mfi_adapter_no;
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uint16_t mfi_pad1;
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uint32_t mfi_sgl_off;
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uint32_t mfi_sge_count;
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uint32_t mfi_sense_off;
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uint32_t mfi_sense_len;
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union {
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uint8_t raw[128];
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struct mfi_frame_header hdr;
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} mfi_frame;
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struct iovec mfi_sgl[MAX_IOCTL_SGE];
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} __packed;
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struct mfi_ioc_aen {
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uint16_t aen_adapter_no;
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uint16_t aen_pad1;
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uint32_t aen_seq_num;
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uint32_t aen_class_locale;
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} __packed;
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#define MFI_CMD _IOWR('M', 1, struct mfi_ioc_packet)
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#define MFI_SET_AEN _IOW('M', 3, struct mfi_ioc_aen)
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#define MAX_LINUX_IOCTL_SGE 16
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struct mfi_linux_ioc_packet {
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uint16_t lioc_adapter_no;
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uint16_t lioc_pad1;
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uint32_t lioc_sgl_off;
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uint32_t lioc_sge_count;
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uint32_t lioc_sense_off;
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uint32_t lioc_sense_len;
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union {
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uint8_t raw[128];
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struct mfi_frame_header hdr;
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} lioc_frame;
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#if defined(__amd64__) /* Assume amd64 wants 32 bit Linux */
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struct iovec32 lioc_sgl[MAX_LINUX_IOCTL_SGE];
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#else
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struct iovec lioc_sgl[MAX_LINUX_IOCTL_SGE];
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#endif
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} __packed;
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struct mfi_ioc_passthru {
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struct mfi_dcmd_frame ioc_frame;
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uint32_t buf_size;
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uint8_t *buf;
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} __packed;
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#ifdef __amd64__
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struct mfi_ioc_passthru32 {
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struct mfi_dcmd_frame ioc_frame;
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uint32_t buf_size;
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uint32_t buf;
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} __packed;
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#endif
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#define MFIIO_STATS _IOWR('Q', 101, union mfi_statrequest)
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#define MFIIO_PASSTHRU _IOWR('C', 102, struct mfi_ioc_passthru)
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#ifdef __amd64__
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#define MFIIO_PASSTHRU32 _IOWR('C', 102, struct mfi_ioc_passthru32)
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#endif
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struct mfi_linux_ioc_aen {
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uint16_t laen_adapter_no;
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uint16_t laen_pad1;
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uint32_t laen_seq_num;
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uint32_t laen_class_locale;
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} __packed;
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struct mfi_query_disk {
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uint8_t array_id;
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uint8_t present;
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uint8_t open;
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uint8_t reserved; /* reserved for future use */
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char devname[SPECNAMELEN + 1];
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} __packed;
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#define MFIIO_QUERY_DISK _IOWR('Q', 102, struct mfi_query_disk)
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/*
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* Create a second set so the FreeBSD native ioctl doesn't
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* conflict in FreeBSD ioctl handler. Translate in mfi_linux.c.
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*/
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#define MFI_LINUX_CMD 0xc1144d01
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#define MFI_LINUX_SET_AEN 0x400c4d03
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#define MFI_LINUX_CMD_2 0xc1144d02
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#define MFI_LINUX_SET_AEN_2 0x400c4d04
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