dell_flash_unlock: Add support for FreeBSD
Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com>20240612_branch
parent
61dbaf9463
commit
5e2e761142
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@ -18,6 +18,13 @@
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#endif /* __i386__ */
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#endif /* __OpenBSD__ */
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#if defined(__FreeBSD__)
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#include <fcntl.h>
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#include <sys/types.h>
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#include <machine/cpufunc.h>
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#include <unistd.h>
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#endif /* __FreeBSD__ */
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#include <errno.h>
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#include "accessors.h"
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@ -42,7 +49,7 @@ sys_outb(unsigned int port, uint8_t data)
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#if defined(__linux__)
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outb(data, port);
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#endif
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#if defined(__OpenBSD__)
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#if defined(__OpenBSD__) || defined(__FreeBSD__)
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outb(port, data);
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#endif
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#if defined(__NetBSD__)
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@ -56,7 +63,7 @@ sys_outl(unsigned int port, uint32_t data)
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#if defined(__linux__)
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outl(data, port);
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#endif
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#if defined(__OpenBSD__)
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#if defined(__OpenBSD__) || defined(__FreeBSD__)
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outl(port, data);
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#endif
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#if defined(__NetBSD__)
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@ -67,7 +74,8 @@ sys_outl(unsigned int port, uint32_t data)
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uint8_t
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sys_inb(unsigned int port)
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{
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#if defined(__linux__) || defined (__OpenBSD__)
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#if defined(__linux__) || defined (__OpenBSD__) \
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|| defined(__FreeBSD__)
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return inb(port);
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#endif
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@ -82,7 +90,8 @@ sys_inb(unsigned int port)
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uint32_t
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sys_inl(unsigned int port)
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{
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#if defined(__linux__) || defined (__OpenBSD__)
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#if defined(__linux__) || defined (__OpenBSD__) \
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|| defined(__FreeBSD__)
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return inl(port);
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#endif
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#if defined(__NetBSD__)
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@ -115,6 +124,28 @@ sys_iopl(int level)
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#endif /* __amd64__ */
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#endif /* __NetBSD__ */
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#if defined(__FreeBSD__)
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/* Refer to io(4) manual page. This assumes the legacy behavior
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* where opening /dev/io raises the IOPL of the process */
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static int io_fd = -1;
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/* Requesting privileged access */
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if (level > 0) {
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if (io_fd == -1) {
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io_fd = open("/dev/io", O_RDONLY);
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return (io_fd == -1) ? -1 : 0;
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}
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/* Lowering access to lowest level */
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} else if (level == 0 && io_fd != -1) {
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if (close(io_fd) == -1) {
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return -1;
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} else {
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io_fd = -1;
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}
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}
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return 0;
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#endif /* __FreeBSD__ */
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errno = ENOSYS;
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return -1;
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}
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