Date: Tue, 03 Sep 2019 14:08:00 -0000 From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r346379 - in stable/12/sys: kern sys Message-ID: <201904191250.x3JCoQ3w078627@repo.freebsd.org>
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Author: kib Date: Fri Apr 19 12:50:25 2019 New Revision: 346379 URL: https://svnweb.freebsd.org/changeset/base/346379 Log: MFC r345965: Add DEV_RESET /dev/devctl2 ioctl. Modified: stable/12/sys/kern/subr_bus.c stable/12/sys/sys/bus.h Directory Properties: stable/12/ (props changed) Modified: stable/12/sys/kern/subr_bus.c ============================================================================== --- stable/12/sys/kern/subr_bus.c Fri Apr 19 12:48:17 2019 (r346378) +++ stable/12/sys/kern/subr_bus.c Fri Apr 19 12:50:25 2019 (r346379) @@ -5636,6 +5636,7 @@ devctl2_ioctl(struct cdev *cdev, u_long cmd, caddr_t d case DEV_CLEAR_DRIVER: case DEV_RESCAN: case DEV_DELETE: + case DEV_RESET: error = priv_check(td, PRIV_DRIVER); if (error == 0) error = find_device(req, &dev); @@ -5860,6 +5861,14 @@ devctl2_ioctl(struct cdev *cdev, u_long cmd, caddr_t d device_do_deferred_actions(); device_frozen = false; } + break; + case DEV_RESET: + if ((req->dr_flags & ~(DEVF_RESET_DETACH)) != 0) { + error = EINVAL; + break; + } + error = BUS_RESET_CHILD(device_get_parent(dev), dev, + req->dr_flags); break; } mtx_unlock(&Giant); Modified: stable/12/sys/sys/bus.h ============================================================================== --- stable/12/sys/sys/bus.h Fri Apr 19 12:48:17 2019 (r346378) +++ stable/12/sys/sys/bus.h Fri Apr 19 12:50:25 2019 (r346379) @@ -130,6 +130,7 @@ struct devreq { #define DEV_DELETE _IOW('D', 10, struct devreq) #define DEV_FREEZE _IOW('D', 11, struct devreq) #define DEV_THAW _IOW('D', 12, struct devreq) +#define DEV_RESET _IOW('D', 13, struct devreq) /* Flags for DEV_DETACH and DEV_DISABLE. */ #define DEVF_FORCE_DETACH 0x0000001
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