diff options
Diffstat (limited to 'sys/dev/softraid_raidp.c')
| -rw-r--r-- | sys/dev/softraid_raidp.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/sys/dev/softraid_raidp.c b/sys/dev/softraid_raidp.c index 7ff4ff89dd2..930e6bc31b3 100644 --- a/sys/dev/softraid_raidp.c +++ b/sys/dev/softraid_raidp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: softraid_raidp.c,v 1.12 2009/12/07 14:33:38 jsing Exp $ */ +/* $OpenBSD: softraid_raidp.c,v 1.13 2009/12/15 13:19:37 jsing Exp $ */ /* * Copyright (c) 2009 Marco Peereboom <marco@peereboom.us> * Copyright (c) 2009 Jordan Hargrave <jordan@openbsd.org> @@ -45,6 +45,10 @@ #include <dev/rndvar.h> /* RAID P functions. */ +int sr_raidp_create(struct sr_discipline *, struct bioc_createraid *, + int, int64_t); +int sr_raidp_assemble(struct sr_discipline *, struct bioc_createraid *, + int); int sr_raidp_alloc_resources(struct sr_discipline *); int sr_raidp_free_resources(struct sr_discipline *); int sr_raidp_rw(struct sr_workunit *); @@ -75,6 +79,8 @@ sr_raidp_discipline_init(struct sr_discipline *sd, u_int8_t type) sd->sd_max_wu = SR_RAIDP_NOWU; /* setup discipline pointers. */ + sd->sd_create = sr_raidp_create; + sd->sd_assemble = sr_raidp_assemble; sd->sd_alloc_resources = sr_raidp_alloc_resources; sd->sd_free_resources = sr_raidp_free_resources; sd->sd_start_discipline = NULL; @@ -91,6 +97,39 @@ sr_raidp_discipline_init(struct sr_discipline *sd, u_int8_t type) } int +sr_raidp_create(struct sr_discipline *sd, struct bioc_createraid *bc, + int no_chunk, int64_t coerced_size) +{ + + if (no_chunk < 3) + return EINVAL; + + if (sd->sd_type == SR_MD_RAID4) + strlcpy(sd->sd_name, "RAID 4", sizeof(sd->sd_name)); + else + strlcpy(sd->sd_name, "RAID 5", sizeof(sd->sd_name)); + + /* + * XXX add variable strip size later even though MAXPHYS is really + * the clever value, users like to tinker with that type of stuff. + */ + sd->sd_meta->ssdi.ssd_strip_size = MAXPHYS; + sd->sd_meta->ssdi.ssd_size = (coerced_size & + ~((sd->sd_meta->ssdi.ssd_strip_size >> DEV_BSHIFT) - 1)) * + (no_chunk - 1); + + return 0; +} + +int +sr_raidp_assemble(struct sr_discipline *sd, struct bioc_createraid *bc, + int no_chunk) +{ + + return 0; +} + +int sr_raidp_openings(struct sr_discipline *sd) { return (sd->sd_max_wu >> 1); /* 2 wu's per IO */ |