static void pagezero_start(void __unused *arg) { int error; struct proc *p; struct thread *td; error = kproc_create(vm_pagezero, NULL, &p, RFSTOPPED, 0, "pagezero"); if (error) panic("pagezero_start: error %d\n", error); td = FIRST_THREAD_IN_PROC(p); thread_lock(td); /* We're an idle task, don't count us in the load. */ td->td_flags |= TDF_NOLOAD; sched_class(td, PRI_IDLE); sched_prio(td, PRI_MAX_IDLE); sched_add(td, SRQ_BORING); thread_unlock(td); }
struct nandsim_chip * nandsim_chip_init(struct nandsim_softc* sc, uint8_t chip_num, struct sim_chip *sim_chip) { struct nandsim_chip *chip; struct onfi_params *chip_param; char swapfile[20]; uint32_t size; int error; chip = malloc(sizeof(*chip), M_NANDSIM, M_WAITOK | M_ZERO); if (!chip) return (NULL); mtx_init(&chip->ns_lock, "nandsim lock", NULL, MTX_DEF); callout_init(&chip->ns_callout, 1); STAILQ_INIT(&chip->nandsim_events); chip->chip_num = chip_num; chip->ctrl_num = sim_chip->ctrl_num; chip->sc = sc; if (!sim_chip->is_wp) nandchip_set_status(chip, NAND_STATUS_WP); chip_param = &chip->params; chip->id.dev_id = sim_chip->device_id; chip->id.man_id = sim_chip->manufact_id; chip->error_ratio = sim_chip->error_ratio; chip->wear_level = sim_chip->wear_level; chip->prog_delay = sim_chip->prog_time; chip->erase_delay = sim_chip->erase_time; chip->read_delay = sim_chip->read_time; chip_param->t_prog = sim_chip->prog_time; chip_param->t_bers = sim_chip->erase_time; chip_param->t_r = sim_chip->read_time; bcopy("onfi", &chip_param->signature, 4); chip_param->manufacturer_id = sim_chip->manufact_id; strncpy(chip_param->manufacturer_name, sim_chip->manufacturer, 12); chip_param->manufacturer_name[11] = 0; strncpy(chip_param->device_model, sim_chip->device_model, 20); chip_param->device_model[19] = 0; chip_param->bytes_per_page = sim_chip->page_size; chip_param->spare_bytes_per_page = sim_chip->oob_size; chip_param->pages_per_block = sim_chip->pgs_per_blk; chip_param->blocks_per_lun = sim_chip->blks_per_lun; chip_param->luns = sim_chip->luns; init_chip_geom(&chip->cg, chip_param->luns, chip_param->blocks_per_lun, chip_param->pages_per_block, chip_param->bytes_per_page, chip_param->spare_bytes_per_page); chip_param->address_cycles = sim_chip->row_addr_cycles | (sim_chip->col_addr_cycles << 4); chip_param->features = sim_chip->features; if (sim_chip->width == 16) chip_param->features |= ONFI_FEAT_16BIT; size = chip_param->blocks_per_lun * chip_param->luns; error = nandsim_blk_state_init(chip, size, sim_chip->wear_level); if (error) { mtx_destroy(&chip->ns_lock); free(chip, M_NANDSIM); return (NULL); } error = nandsim_bbm_init(chip, size, sim_chip->bad_block_map); if (error) { mtx_destroy(&chip->ns_lock); nandsim_blk_state_destroy(chip); free(chip, M_NANDSIM); return (NULL); } nandsim_start_handler(chip, poweron_evh); nand_debug(NDBG_SIM,"Create thread for chip%d [%8p]", chip->chip_num, chip); /* Create chip thread */ error = kproc_kthread_add(nandsim_loop, chip, &nandsim_proc, &chip->nandsim_td, RFSTOPPED | RFHIGHPID, 0, "nandsim", "chip"); if (error) { mtx_destroy(&chip->ns_lock); nandsim_blk_state_destroy(chip); free(chip, M_NANDSIM); return (NULL); } thread_lock(chip->nandsim_td); sched_class(chip->nandsim_td, PRI_REALTIME); sched_add(chip->nandsim_td, SRQ_BORING); thread_unlock(chip->nandsim_td); size = (chip_param->bytes_per_page + chip_param->spare_bytes_per_page) * chip_param->pages_per_block; sprintf(swapfile, "chip%d%d.swp", chip->ctrl_num, chip->chip_num); chip->swap = nandsim_swap_init(swapfile, chip_param->blocks_per_lun * chip_param->luns, size); if (!chip->swap) nandsim_chip_destroy(chip); /* Wait for new thread to enter main loop */ tsleep(chip->nandsim_td, PWAIT, "ns_chip", 1 * hz); return (chip); }