diff options
Diffstat (limited to 'arch/sparc64/kernel/ioctl32.c')
| -rw-r--r-- | arch/sparc64/kernel/ioctl32.c | 425 |
1 files changed, 424 insertions, 1 deletions
diff --git a/arch/sparc64/kernel/ioctl32.c b/arch/sparc64/kernel/ioctl32.c index d3a3814a8..0ba88adf6 100644 --- a/arch/sparc64/kernel/ioctl32.c +++ b/arch/sparc64/kernel/ioctl32.c @@ -1,4 +1,4 @@ -/* $Id: ioctl32.c,v 1.82 2000/03/13 21:57:27 davem Exp $ +/* $Id: ioctl32.c,v 1.83 2000/03/14 07:31:25 jj Exp $ * ioctl32.c: Conversion between 32bit and 64bit native ioctls. * * Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com) @@ -8,6 +8,7 @@ * ioctls. */ +#include <linux/config.h> #include <linux/types.h> #include <linux/kernel.h> #include <linux/sched.h> @@ -44,6 +45,14 @@ #include <linux/raw.h> #include <linux/smb_fs.h> #include <linux/blkpg.h> +#include <linux/blk.h> +#include <linux/elevator.h> +#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE) +/* Ugh. This header really is not clean */ +#define min min +#define max max +#include <linux/lvm.h> +#endif /* LVM */ #include <scsi/scsi.h> /* Ugly hack. */ @@ -1980,6 +1989,353 @@ static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg) return -EINVAL; } +#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE) +/* Ugh, LVM. Pitty it was not cleaned up before accepted :((. */ +typedef struct { + uint8_t vg_name[NAME_LEN]; + uint32_t vg_number; + uint32_t vg_access; + uint32_t vg_status; + uint32_t lv_max; + uint32_t lv_cur; + uint32_t lv_open; + uint32_t pv_max; + uint32_t pv_cur; + uint32_t pv_act; + uint32_t dummy; + uint32_t vgda; + uint32_t pe_size; + uint32_t pe_total; + uint32_t pe_allocated; + uint32_t pvg_total; + u32 proc; + u32 pv[ABS_MAX_PV + 1]; + u32 lv[ABS_MAX_LV + 1]; +} vg32_t; + +typedef struct { + uint8_t id[2]; + uint16_t version; + lvm_disk_data_t pv_on_disk; + lvm_disk_data_t vg_on_disk; + lvm_disk_data_t pv_namelist_on_disk; + lvm_disk_data_t lv_on_disk; + lvm_disk_data_t pe_on_disk; + uint8_t pv_name[NAME_LEN]; + uint8_t vg_name[NAME_LEN]; + uint8_t system_id[NAME_LEN]; + kdev_t pv_dev; + uint32_t pv_number; + uint32_t pv_status; + uint32_t pv_allocatable; + uint32_t pv_size; + uint32_t lv_cur; + uint32_t pe_size; + uint32_t pe_total; + uint32_t pe_allocated; + uint32_t pe_stale; + u32 pe; + u32 inode; +} pv32_t; + +typedef struct { + char lv_name[NAME_LEN]; + u32 lv; +} lv_req32_t; + +typedef struct { + u32 lv_index; + u32 lv; +} lv_status_byindex_req32_t; + +typedef struct { + uint8_t lv_name[NAME_LEN]; + kdev_t old_dev; + kdev_t new_dev; + u32 old_pe; + u32 new_pe; +} le_remap_req32_t; + +typedef struct { + char pv_name[NAME_LEN]; + u32 pv; +} pv_status_req32_t; + +typedef struct { + uint8_t lv_name[NAME_LEN]; + uint8_t vg_name[NAME_LEN]; + uint32_t lv_access; + uint32_t lv_status; + uint32_t lv_open; + kdev_t lv_dev; + uint32_t lv_number; + uint32_t lv_mirror_copies; + uint32_t lv_recovery; + uint32_t lv_schedule; + uint32_t lv_size; + u32 lv_current_pe; + uint32_t lv_current_le; + uint32_t lv_allocated_le; + uint32_t lv_stripes; + uint32_t lv_stripesize; + uint32_t lv_badblock; + uint32_t lv_allocation; + uint32_t lv_io_timeout; + uint32_t lv_read_ahead; + /* delta to version 1 starts here */ + u32 lv_snapshot_org; + u32 lv_snapshot_prev; + u32 lv_snapshot_next; + u32 lv_block_exception; + uint32_t lv_remap_ptr; + uint32_t lv_remap_end; + uint32_t lv_chunk_size; + uint32_t lv_snapshot_minor; + char dummy[200]; +} lv32_t; + +typedef struct { + u32 hash[2]; + u32 rsector_org; + kdev_t rdev_org; + u32 rsector_new; + kdev_t rdev_new; +} lv_block_exception32_t; + +static void put_lv_t(lv_t *l) +{ + if (l->lv_current_pe) vfree(l->lv_current_pe); + if (l->lv_block_exception) vfree(l->lv_block_exception); + kfree(l); +} + +static lv_t *get_lv_t(u32 p, int *errp) +{ + int err, i; + u32 ptr1, ptr2; + size_t size; + lv_block_exception32_t *lbe32; + lv_block_exception_t *lbe; + lv32_t *ul = (lv32_t *)A(p); + lv_t *l = (lv_t *)kmalloc(sizeof(lv_t), GFP_KERNEL); + if (!l) { + *errp = -ENOMEM; + return NULL; + } + memset(l, 0, sizeof(lv_t)); + err = copy_from_user(l, ul, (long)&((lv32_t *)0)->lv_current_pe); + err |= __copy_from_user(&l->lv_current_le, &ul->lv_current_le, + ((long)&ul->lv_snapshot_org) - ((long)&ul->lv_current_le)); + err |= __copy_from_user(&l->lv_remap_ptr, &ul->lv_remap_ptr, + ((long)&ul->dummy[0]) - ((long)&ul->lv_remap_ptr)); + err |= __get_user(ptr1, &ul->lv_current_pe); + err |= __get_user(ptr2, &ul->lv_block_exception); + if (err) { + kfree(l); + *errp = -EFAULT; + return NULL; + } + if (ptr1) { + size = l->lv_allocated_le * sizeof(pe_t); + l->lv_current_pe = vmalloc(size); + if (l->lv_current_pe) + err = copy_from_user(l->lv_current_pe, (void *)A(ptr1), size); + } + if (!err && ptr2) { + size = l->lv_remap_end * sizeof(lv_block_exception_t); + l->lv_block_exception = lbe = vmalloc(size); + if (l->lv_block_exception) { + lbe32 = (lv_block_exception32_t *)A(ptr2); + memset(lbe, 0, size); + for (i = 0; i < l->lv_remap_end; i++, lbe++, lbe32++) { + err |= get_user(lbe->rsector_org, &lbe32->rsector_org); + err |= __get_user(lbe->rdev_org, &lbe32->rdev_org); + err |= __get_user(lbe->rsector_new, &lbe32->rsector_new); + err |= __get_user(lbe->rdev_new, &lbe32->rdev_new); + } + } + } + if (err || (ptr1 && !l->lv_current_pe) || (ptr2 && !l->lv_block_exception)) { + if (!err) + *errp = -ENOMEM; + else + *errp = -EFAULT; + put_lv_t(l); + return NULL; + } + return l; +} + +static int copy_lv_t(u32 ptr, lv_t *l) +{ + int err; + lv32_t *ul = (lv32_t *)A(ptr); + u32 ptr1; + size_t size; + + err = get_user(ptr1, &ul->lv_current_pe); + if (err) + return -EFAULT; + err = copy_to_user(ul, l, (long)&((lv32_t *)0)->lv_current_pe); + err |= __copy_to_user(&ul->lv_current_le, &l->lv_current_le, + ((long)&ul->lv_snapshot_org) - ((long)&ul->lv_current_le)); + err |= __copy_to_user(&ul->lv_remap_ptr, &l->lv_remap_ptr, + ((long)&ul->dummy[0]) - ((long)&ul->lv_remap_ptr)); + size = l->lv_allocated_le * sizeof(pe_t); + err |= __copy_to_user((void *)A(ptr1), l->lv_current_pe, size); + return -EFAULT; +} + +static int do_lvm_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) +{ + vg_t *v; + union { + lv_req_t lv_req; + le_remap_req_t le_remap; + lv_status_byindex_req_t lv_byindex; + pv_status_req32_t pv_status; + } u; + pv_t p; + int err; + u32 ptr = 0; + int i; + mm_segment_t old_fs; + void *karg = &u; + + switch (cmd) { + case VG_STATUS: + v = kmalloc(sizeof(vg_t), GFP_KERNEL); + if (!v) return -ENOMEM; + karg = v; + break; + case VG_CREATE: + v = kmalloc(sizeof(vg_t), GFP_KERNEL); + if (!v) return -ENOMEM; + if (copy_from_user(v, (void *)arg, (long)&((vg32_t *)0)->proc) || + __get_user(v->proc, &((vg32_t *)arg)->proc)) { + kfree(v); + return -EFAULT; + } + karg = v; + memset(v->pv, 0, sizeof(v->pv) + sizeof(v->lv)); + if (v->pv_max > ABS_MAX_PV || v->lv_max == ABS_MAX_LV) return -EPERM; + for (i = 0; i < v->pv_max; i++) { + err = __get_user(ptr, &((vg32_t *)arg)->pv[i]); + if (err) break; + if (ptr) { + v->pv[i] = kmalloc(sizeof(pv_t), GFP_KERNEL); + if (!v->pv[i]) { + err = -ENOMEM; + break; + } + err = copy_from_user(v->pv[i], (void *)A(ptr), sizeof(pv32_t) - 8); + if (err) { + err = -EFAULT; + break; + } + v->pv[i]->pe = NULL; v->pv[i]->inode = NULL; + } + } + if (!err) { + for (i = 0; i < v->lv_max; i++) { + err = __get_user(ptr, &((vg32_t *)arg)->lv[i]); + if (err) break; + if (ptr) { + v->lv[i] = get_lv_t(ptr, &err); + if (err) break; + } + } + } + break; + case LV_CREATE: + case LV_EXTEND: + case LV_REDUCE: + case LV_REMOVE: + case LV_STATUS_BYNAME: + err = copy_from_user(&u.pv_status, arg, sizeof(u.pv_status.pv_name)); + if (err) return -EFAULT; + if (cmd != LV_REMOVE) { + err = __get_user(ptr, &((lv_req32_t *)arg)->lv); + if (err) return err; + u.lv_req.lv = get_lv_t(ptr, &err); + } else + u.lv_req.lv = NULL; + break; + case LV_STATUS_BYINDEX: + err = get_user(u.lv_byindex.lv_index, &((lv_status_byindex_req32_t *)arg)->lv_index); + err |= __get_user(ptr, &((lv_status_byindex_req32_t *)arg)->lv); + if (err) return err; + u.lv_byindex.lv = get_lv_t(ptr, &err); + break; + case VG_EXTEND: + err = copy_from_user(&p, (void *)arg, sizeof(pv32_t) - 8); + if (err) return -EFAULT; + p.pe = NULL; p.inode = NULL; + karg = &p; + break; + case LE_REMAP: + err = copy_from_user(&u.le_remap, (void *)arg, sizeof(le_remap_req32_t)); + if (err) return -EFAULT; + u.le_remap.new_pe = ((le_remap_req32_t *)&u.le_remap)->new_pe; + u.le_remap.old_pe = ((le_remap_req32_t *)&u.le_remap)->old_pe; + break; + case PV_CHANGE: + case PV_STATUS: + err = copy_from_user(&u.pv_status, arg, sizeof(u.lv_req.lv_name)); + if (err) return -EFAULT; + err = __get_user(ptr, &((pv_status_req32_t *)arg)->pv); + if (err) return err; + u.pv_status.pv = &p; + if (cmd == PV_CHANGE) { + err = copy_from_user(&p, (void *)A(ptr), sizeof(pv32_t) - 8); + if (err) return -EFAULT; + p.pe = NULL; p.inode = NULL; + } + break; + } + old_fs = get_fs(); set_fs (KERNEL_DS); + err = sys_ioctl (fd, cmd, (unsigned long)karg); + set_fs (old_fs); + switch (cmd) { + case VG_STATUS: + if (!err) { + if (copy_to_user((void *)arg, v, (long)&((vg32_t *)0)->proc) || + clear_user(&((vg32_t *)arg)->proc, sizeof(vg32_t) - (long)&((vg32_t *)0)->proc)) + err = -EFAULT; + } + kfree(v); + break; + case VG_CREATE: + for (i = 0; i < v->pv_max; i++) + if (v->pv[i]) kfree(v->pv[i]); + for (i = 0; i < v->lv_max; i++) + if (v->lv[i]) put_lv_t(v->lv[i]); + kfree(v); + break; + case LV_STATUS_BYNAME: + if (!err && u.lv_req.lv) err = copy_lv_t(ptr, u.lv_req.lv); + /* Fall through */ + case LV_CREATE: + case LV_EXTEND: + case LV_REDUCE: + if (u.lv_req.lv) put_lv_t(u.lv_req.lv); + break; + case LV_STATUS_BYINDEX: + if (u.lv_byindex.lv) { + if (!err) err = copy_lv_t(ptr, u.lv_byindex.lv); + put_lv_t(u.lv_byindex.lv); + } + case PV_STATUS: + if (!err) { + err = copy_to_user((void *)A(ptr), &p, sizeof(pv32_t) - 8); + if (err) return -EFAULT; + } + break; + } + return err; +} +#endif + static int ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg) { return -EINVAL; @@ -2027,6 +2383,39 @@ static int blkpg_ioctl_trans(unsigned int fd, unsigned int cmd, struct blkpg_ioc return err; } +typedef struct blkelv_ioctl32_arg_s { + u32 queue_ID; + int read_latency; + int write_latency; + int max_bomb_segments; +} blkelv_ioctl32_arg_t; + +static int do_blkelv_ioctl(unsigned int fd, unsigned int cmd, blkelv_ioctl32_arg_t *arg) +{ + blkelv_ioctl_arg_t b; + int err; + mm_segment_t old_fs = get_fs(); + + if (cmd == BLKELVSET) { + err = get_user((long)b.queue_ID, &arg->queue_ID); + err |= __get_user(b.read_latency, &arg->read_latency); + err |= __get_user(b.write_latency, &arg->write_latency); + err |= __get_user(b.max_bomb_segments, &arg->max_bomb_segments); + if (err) return err; + } + set_fs (KERNEL_DS); + err = sys_ioctl(fd, cmd, (unsigned long)&b); + set_fs (old_fs); + if (cmd == BLKELVGET && !err) { + err = put_user((long)b.queue_ID, &arg->queue_ID); + err |= __put_user(b.read_latency, &arg->read_latency); + err |= __put_user(b.write_latency, &arg->write_latency); + err |= __put_user(b.max_bomb_segments, &arg->max_bomb_segments); + if (err) return err; + } + return err; +} + static int ioc_settimeout(unsigned int fd, unsigned int cmd, unsigned long arg) { return rw_long(fd, AUTOFS_IOC_SETTIMEOUT, arg); @@ -2548,6 +2937,24 @@ COMPATIBLE_IOCTL(ATMTCP_CREATE) COMPATIBLE_IOCTL(ATMTCP_REMOVE) COMPATIBLE_IOCTL(ATMMPC_CTRL) COMPATIBLE_IOCTL(ATMMPC_DATA) +#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE) +/* 0xfe - lvm */ +COMPATIBLE_IOCTL(VG_SET_EXTENDABLE) +COMPATIBLE_IOCTL(VG_STATUS_GET_COUNT) +COMPATIBLE_IOCTL(VG_STATUS_GET_NAMELIST) +COMPATIBLE_IOCTL(VG_REMOVE) +COMPATIBLE_IOCTL(VG_REDUCE) +COMPATIBLE_IOCTL(PE_LOCK_UNLOCK) +COMPATIBLE_IOCTL(PV_FLUSH) +COMPATIBLE_IOCTL(LVM_LOCK_LVM) +COMPATIBLE_IOCTL(LVM_GET_IOP_VERSION) +#ifdef LVM_TOTAL_RESET +COMPATIBLE_IOCTL(LVM_RESET) +#endif +COMPATIBLE_IOCTL(LV_SET_ACCESS) +COMPATIBLE_IOCTL(LV_SET_STATUS) +COMPATIBLE_IOCTL(LV_SET_ALLOCATION) +#endif /* LVM */ /* And these ioctls need translation */ HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32) HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf) @@ -2594,6 +3001,8 @@ HANDLE_IOCTL(0x1260, broken_blkgetsize) HANDLE_IOCTL(BLKFRAGET, w_long) HANDLE_IOCTL(BLKSECTGET, w_long) HANDLE_IOCTL(BLKPG, blkpg_ioctl_trans) +HANDLE_IOCTL(BLKELVGET, do_blkelv_ioctl) +HANDLE_IOCTL(BLKELVSET, do_blkelv_ioctl) HANDLE_IOCTL(FBIOPUTCMAP32, fbiogetputcmap) HANDLE_IOCTL(FBIOGETCMAP32, fbiogetputcmap) HANDLE_IOCTL(FBIOSCURSOR32, fbiogscursor) @@ -2677,6 +3086,20 @@ HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl) HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl) HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl) HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl) +#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE) +HANDLE_IOCTL(VG_STATUS, do_lvm_ioctl) +HANDLE_IOCTL(VG_CREATE, do_lvm_ioctl) +HANDLE_IOCTL(VG_EXTEND, do_lvm_ioctl) +HANDLE_IOCTL(LV_CREATE, do_lvm_ioctl) +HANDLE_IOCTL(LV_REMOVE, do_lvm_ioctl) +HANDLE_IOCTL(LV_EXTEND, do_lvm_ioctl) +HANDLE_IOCTL(LV_REDUCE, do_lvm_ioctl) +HANDLE_IOCTL(LV_STATUS_BYNAME, do_lvm_ioctl) +HANDLE_IOCTL(LV_STATUS_BYINDEX, do_lvm_ioctl) +HANDLE_IOCTL(LE_REMAP, do_lvm_ioctl) +HANDLE_IOCTL(PV_CHANGE, do_lvm_ioctl) +HANDLE_IOCTL(PV_STATUS, do_lvm_ioctl) +#endif /* LVM */ IOCTL_TABLE_END unsigned int ioctl32_hash_table[1024]; 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