Date: Fri, 24 Jul 2020 17:11:14 +0000 (UTC) From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r363479 - head/sys/cam/mmc Message-ID: <202007241711.06OHBE7g065127@repo.freebsd.org>
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Author: manu Date: Fri Jul 24 17:11:14 2020 New Revision: 363479 URL: https://svnweb.freebsd.org/changeset/base/363479 Log: mmccam: Add some aliases for non-mmccam to mmccam transition A new tunable is present, kern.cam.sdda.mmcsd_compat to enable this feature or not (default is enabled) Modified: head/sys/cam/mmc/mmc_da.c Modified: head/sys/cam/mmc/mmc_da.c ============================================================================== --- head/sys/cam/mmc/mmc_da.c Fri Jul 24 16:58:13 2020 (r363478) +++ head/sys/cam/mmc/mmc_da.c Fri Jul 24 17:11:14 2020 (r363479) @@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$"); #include <sys/systm.h> #include <sys/kernel.h> #include <sys/bio.h> +#include <sys/sysctl.h> #include <sys/endian.h> #include <sys/taskqueue.h> #include <sys/lock.h> @@ -186,6 +187,13 @@ static void sdda_init_switch_part(struct cam_periph *p static int mmc_select_card(struct cam_periph *periph, union ccb *ccb, uint32_t rca); static inline uint32_t mmc_get_sector_size(struct cam_periph *periph) {return MMC_SECTOR_SIZE;} +static SYSCTL_NODE(_kern_cam, OID_AUTO, sdda, CTLFLAG_RD | CTLFLAG_MPSAFE, 0, + "CAM Direct Access Disk driver"); + +static int sdda_mmcsd_compat = 1; +SYSCTL_INT(_kern_cam_sdda, OID_AUTO, mmcsd_compat, CTLFLAG_RDTUN, + &sdda_mmcsd_compat, 1, "Enable creation of mmcsd aliases."); + /* TODO: actually issue GET_TRAN_SETTINGS to get R/O status */ static inline bool sdda_get_read_only(struct cam_periph *periph, union ccb *start_ccb) { @@ -1604,6 +1612,9 @@ sdda_add_part(struct cam_periph *periph, u_int type, c part->disk->d_stripesize = 0; part->disk->d_fwsectors = 0; part->disk->d_fwheads = 0; + + if (sdda_mmcsd_compat) + disk_add_alias(part->disk, "mmcsd"); /* * Acquire a reference to the periph before we register with GEOM.
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