--- linux-2.2.17/arch/sparc64/kernel/ioctl32.c.orig Thu Mar 8 16:59:40 2001 +++ linux-2.2.17/arch/sparc64/kernel/ioctl32.c Thu Mar 8 16:58:43 2001 @@ -66,6 +66,13 @@ #include +#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE) +#define min min +#define max max +#include +#endif /* LVM */ + + /* Use this to get at 32-bit user passed pointers. See sys_sparc32.c for description about these. */ #define A(__x) ((unsigned long)(__x)) @@ -2314,6 +2321,397 @@ #endif /* defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE) */ +#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]; + uint8_t vg_uuid[UUID_LEN+1]; /* volume group UUID */ +} 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 bd; + uint8_t pv_uuid[UUID_LEN+1]; +} pv32_t; + +typedef struct { + char lv_name[NAME_LEN]; + u32 lv; +} lv_req32_t; + +typedef struct { + u32 lv_index; + u32 lv; + /* Transfer size because user space and kernel space differ */ + uint16_t size; +} lv_status_byindex_req32_t; + +typedef struct { + dev_t dev; + u32 lv; +} lv_status_bydev_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); + if (ptr1) + err |= __copy_to_user((void *)A(ptr1), l->lv_current_pe, size); + return err ? -EFAULT : 0; +} + +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; + lv_status_bydev_req_t lv_bydev; + pv_status_req_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; + } + if (copy_from_user(v->vg_uuid, ((vg32_t *)arg)->vg_uuid, UUID_LEN+1)) { + 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 - UUID_LEN+1); + if (err) { + err = -EFAULT; + break; + } + err = copy_from_user(v->pv[i]->pv_uuid, ((pv32_t *)A(ptr))->pv_uuid, UUID_LEN+1); + if (err) { + err = -EFAULT; + break; + } + + + v->pv[i]->pe = NULL; v->pv[i]->bd = 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_RENAME: + 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 LV_STATUS_BYDEV: + err = get_user(u.lv_bydev.dev, &((lv_status_bydev_req32_t *)arg)->dev); + u.lv_bydev.lv = get_lv_t(ptr, &err); + if (err) return err; + u.lv_bydev.lv = &p; + p.pe = NULL; p.bd = NULL; + break; + case VG_EXTEND: + err = copy_from_user(&p, (void *)arg, sizeof(pv32_t) - 8 - UUID_LEN+1); + if (err) return -EFAULT; + err = copy_from_user(p.pv_uuid, ((pv32_t *)arg)->pv_uuid, UUID_LEN+1); + if (err) return -EFAULT; + p.pe = NULL; p.bd = NULL; + karg = &p; + 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 - UUID_LEN+1); + if (err) return -EFAULT; + p.pe = NULL; p.bd = 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; + } + if (copy_to_user(((vg32_t *)arg)->vg_uuid, v->vg_uuid, UUID_LEN+1)) { + 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); + } + break; + case PV_STATUS: + if (!err) { + err = copy_to_user((void *)A(ptr), &p, sizeof(pv32_t) - 8 - UUID_LEN+1); + if (err) return -EFAULT; + err = copy_to_user(((pv_t *)A(ptr))->pv_uuid, p.pv_uuid, UUID_LEN + 1); + if (err) return -EFAULT; + } + break; + case LV_STATUS_BYDEV: + if (!err) { + if (!err) err = copy_lv_t(ptr, u.lv_bydev.lv); + put_lv_t(u.lv_byindex.lv); + } + break; + } + return err; +} +#endif + + asmlinkage int sys32_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) { struct file * filp; @@ -2543,7 +2941,30 @@ goto out; #endif /* DRM */ - /* List here exlicitly which ioctl's are known to have + + +#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE) + case VG_EXTEND: + case VG_STATUS: + case VG_CREATE: + case LV_CREATE: + case LV_REMOVE: + case LV_ACTIVATE: + case LV_DEACTIVATE: + case LV_EXTEND: + case LV_REDUCE: + case LV_STATUS_BYNAME: + case LV_STATUS_BYINDEX: + case LV_STATUS_BYDEV: + case LV_RENAME: + case PV_STATUS: + case PV_CHANGE: + error = do_lvm_ioctl (fd, cmd, arg); + goto out; +#endif + + + /* List here exlicitly which ioctl's are known to have * compatable types passed or none at all... */ @@ -3124,7 +3545,29 @@ case DRM_IOCTL_FINISH: #endif /* DRM */ - + /* 0xfe LVM */ +#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE) + case VG_SET_EXTENDABLE: + case VG_STATUS_GET_COUNT: + case VG_STATUS_GET_NAMELIST: + case VG_REMOVE: + case VG_RENAME: + case VG_REDUCE: + case PV_FLUSH: + case LVM_LOCK_LVM: + case LVM_GET_IOP_VERSION: +#ifdef LVM_TOTAL_RESET + case LVM_RESET: +#endif + case LV_SET_ACCESS: + case LV_SET_STATUS: + case LV_SET_ALLOCATION: + case LV_BMAP: + case LV_SNAPSHOT_USE_RATE: + case LE_REMAP: + case PE_LOCK_UNLOCK: +#endif /* LVM */ + error = sys_ioctl (fd, cmd, arg); goto out; --- linux-2.2.17/arch/sparc64/config.in.orig Thu Mar 8 16:57:13 2001 +++ linux-2.2.17/arch/sparc64/config.in Thu Mar 8 16:56:46 2001 @@ -135,6 +135,8 @@ fi fi +trstate 'Logical volume manager (LVM) support' CONFIG_BLK_DEV_LVM N + endmenu if [ "$CONFIG_NET" = "y" ]; then