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fcaf473cfc
Make it really work for native FreeBSD programs. Before this it was broken for years due to different number of pointer dereferences in Linux and FreeBSD IOCTL paths, permanently returning errors to FreeBSD programs. This change breaks the driver FreeBSD IOCTL ABI, making it more strict, but since it was not working any way -- who bother. Add shims for 32-bit programs on 64-bit host, translating the argument of the SG_IO IOCTL for both FreeBSD and Linux ABIs. With this change I was able to run 32-bit Linux sg3_utils tools and simple 32 and 64-bit FreeBSD test tools on both 32 and 64-bit FreeBSD systems. MFC after: 1 month
130 lines
4.8 KiB
C
130 lines
4.8 KiB
C
/*-
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* Copyright (c) 2008 David E. O'Brien
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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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* 3. Neither the name of the author nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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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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* $FreeBSD$
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*/
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#ifndef _COMPAT_FREEBSD32_IOCTL_H_
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#define _COMPAT_FREEBSD32_IOCTL_H_
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#include <cam/scsi/scsi_sg.h>
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typedef __uint32_t caddr_t32;
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struct ioc_toc_header32 {
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u_short len;
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u_char starting_track;
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u_char ending_track;
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};
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struct ioc_read_toc_entry32 {
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u_char address_format;
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u_char starting_track;
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u_short data_len;
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uint32_t data; /* struct cd_toc_entry* */
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};
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#define MDNPAD32 MDNPAD - 1
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struct md_ioctl32 {
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unsigned md_version; /* Structure layout version */
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unsigned md_unit; /* unit number */
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enum md_types md_type; /* type of disk */
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caddr_t32 md_file; /* pathname of file to mount */
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off_t md_mediasize; /* size of disk in bytes */
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unsigned md_sectorsize; /* sectorsize */
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unsigned md_options; /* options */
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u_int64_t md_base; /* base address */
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int md_fwheads; /* firmware heads */
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int md_fwsectors; /* firmware sectors */
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int md_pad[MDNPAD32]; /* padding for future ideas */
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};
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struct fiodgname_arg32 {
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int len;
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caddr_t32 buf;
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};
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struct mem_range_op32
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{
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caddr_t32 mo_desc;
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int mo_arg[2];
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};
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struct pci_conf32 {
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struct pcisel pc_sel; /* domain+bus+slot+function */
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u_int8_t pc_hdr; /* PCI header type */
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u_int16_t pc_subvendor; /* card vendor ID */
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u_int16_t pc_subdevice; /* card device ID, assigned by
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card vendor */
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u_int16_t pc_vendor; /* chip vendor ID */
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u_int16_t pc_device; /* chip device ID, assigned by
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chip vendor */
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u_int8_t pc_class; /* chip PCI class */
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u_int8_t pc_subclass; /* chip PCI subclass */
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u_int8_t pc_progif; /* chip PCI programming interface */
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u_int8_t pc_revid; /* chip revision ID */
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char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
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u_int32_t pd_unit; /* device unit number */
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};
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struct pci_match_conf32 {
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struct pcisel pc_sel; /* domain+bus+slot+function */
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char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
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u_int32_t pd_unit; /* Unit number */
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u_int16_t pc_vendor; /* PCI Vendor ID */
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u_int16_t pc_device; /* PCI Device ID */
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u_int8_t pc_class; /* PCI class */
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u_int32_t flags; /* Matching expression */
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};
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struct pci_conf_io32 {
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u_int32_t pat_buf_len; /* pattern buffer length */
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u_int32_t num_patterns; /* number of patterns */
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caddr_t32 patterns; /* struct pci_match_conf ptr */
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u_int32_t match_buf_len; /* match buffer length */
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u_int32_t num_matches; /* number of matches returned */
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caddr_t32 matches; /* struct pci_conf ptr */
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u_int32_t offset; /* offset into device list */
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u_int32_t generation; /* device list generation */
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u_int32_t status; /* request status */
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};
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#define CDIOREADTOCENTRYS_32 _IOWR('c', 5, struct ioc_read_toc_entry32)
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#define CDIOREADTOCHEADER_32 _IOR('c', 4, struct ioc_toc_header32)
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#define MDIOCATTACH_32 _IOC(IOC_INOUT, 'm', 0, sizeof(struct md_ioctl32) + 4)
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#define MDIOCDETACH_32 _IOC(IOC_INOUT, 'm', 1, sizeof(struct md_ioctl32) + 4)
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#define MDIOCQUERY_32 _IOC(IOC_INOUT, 'm', 2, sizeof(struct md_ioctl32) + 4)
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#define MDIOCLIST_32 _IOC(IOC_INOUT, 'm', 3, sizeof(struct md_ioctl32) + 4)
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#define FIODGNAME_32 _IOW('f', 120, struct fiodgname_arg32)
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#define MEMRANGE_GET32 _IOWR('m', 50, struct mem_range_op32)
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#define MEMRANGE_SET32 _IOW('m', 51, struct mem_range_op32)
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#define PCIOCGETCONF_32 _IOWR('p', 5, struct pci_conf_io32)
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#define SG_IO_32 _IOWR(SGIOC, 0x85, struct sg_io_hdr32)
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#endif /* _COMPAT_FREEBSD32_IOCTL_H_ */
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