diff options
Diffstat (limited to 'drivers/lightnvm/sysfs.c')
| -rw-r--r-- | drivers/lightnvm/sysfs.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/drivers/lightnvm/sysfs.c b/drivers/lightnvm/sysfs.c deleted file mode 100644 index 0338c27ab95a..000000000000 --- a/drivers/lightnvm/sysfs.c +++ /dev/null @@ -1,198 +0,0 @@ -#include <linux/kernel.h> -#include <linux/lightnvm.h> -#include <linux/miscdevice.h> -#include <linux/kobject.h> -#include <linux/blk-mq.h> - -#include "lightnvm.h" - -static ssize_t nvm_dev_attr_show(struct device *dev, - struct device_attribute *dattr, char *page) -{ - struct nvm_dev *ndev = container_of(dev, struct nvm_dev, dev); - struct nvm_id *id = &ndev->identity; - struct nvm_id_group *grp = &id->groups[0]; - struct attribute *attr = &dattr->attr; - - if (strcmp(attr->name, "version") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", id->ver_id); - } else if (strcmp(attr->name, "vendor_opcode") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", id->vmnt); - } else if (strcmp(attr->name, "capabilities") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", id->cap); - } else if (strcmp(attr->name, "device_mode") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", id->dom); - } else if (strcmp(attr->name, "media_manager") == 0) { - if (!ndev->mt) - return scnprintf(page, PAGE_SIZE, "%s\n", "none"); - return scnprintf(page, PAGE_SIZE, "%s\n", ndev->mt->name); - } else if (strcmp(attr->name, "ppa_format") == 0) { - return scnprintf(page, PAGE_SIZE, - "0x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x\n", - id->ppaf.ch_offset, id->ppaf.ch_len, - id->ppaf.lun_offset, id->ppaf.lun_len, - id->ppaf.pln_offset, id->ppaf.pln_len, - id->ppaf.blk_offset, id->ppaf.blk_len, - id->ppaf.pg_offset, id->ppaf.pg_len, - id->ppaf.sect_offset, id->ppaf.sect_len); - } else if (strcmp(attr->name, "media_type") == 0) { /* u8 */ - return scnprintf(page, PAGE_SIZE, "%u\n", grp->mtype); - } else if (strcmp(attr->name, "flash_media_type") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->fmtype); - } else if (strcmp(attr->name, "num_channels") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->num_ch); - } else if (strcmp(attr->name, "num_luns") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->num_lun); - } else if (strcmp(attr->name, "num_planes") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->num_pln); - } else if (strcmp(attr->name, "num_blocks") == 0) { /* u16 */ - return scnprintf(page, PAGE_SIZE, "%u\n", grp->num_blk); - } else if (strcmp(attr->name, "num_pages") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->num_pg); - } else if (strcmp(attr->name, "page_size") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->fpg_sz); - } else if (strcmp(attr->name, "hw_sector_size") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->csecs); - } else if (strcmp(attr->name, "oob_sector_size") == 0) {/* u32 */ - return scnprintf(page, PAGE_SIZE, "%u\n", grp->sos); - } else if (strcmp(attr->name, "read_typ") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->trdt); - } else if (strcmp(attr->name, "read_max") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->trdm); - } else if (strcmp(attr->name, "prog_typ") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->tprt); - } else if (strcmp(attr->name, "prog_max") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->tprm); - } else if (strcmp(attr->name, "erase_typ") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->tbet); - } else if (strcmp(attr->name, "erase_max") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", grp->tbem); - } else if (strcmp(attr->name, "multiplane_modes") == 0) { - return scnprintf(page, PAGE_SIZE, "0x%08x\n", grp->mpos); - } else if (strcmp(attr->name, "media_capabilities") == 0) { - return scnprintf(page, PAGE_SIZE, "0x%08x\n", grp->mccap); - } else if (strcmp(attr->name, "max_phys_secs") == 0) { - return scnprintf(page, PAGE_SIZE, "%u\n", - ndev->ops->max_phys_sect); - } else { - return scnprintf(page, - PAGE_SIZE, - "Unhandled attr(%s) in `nvm_dev_attr_show`\n", - attr->name); - } -} - -#define NVM_DEV_ATTR_RO(_name) \ - DEVICE_ATTR(_name, S_IRUGO, nvm_dev_attr_show, NULL) - -static NVM_DEV_ATTR_RO(version); -static NVM_DEV_ATTR_RO(vendor_opcode); -static NVM_DEV_ATTR_RO(capabilities); -static NVM_DEV_ATTR_RO(device_mode); -static NVM_DEV_ATTR_RO(ppa_format); -static NVM_DEV_ATTR_RO(media_manager); - -static NVM_DEV_ATTR_RO(media_type); -static NVM_DEV_ATTR_RO(flash_media_type); -static NVM_DEV_ATTR_RO(num_channels); -static NVM_DEV_ATTR_RO(num_luns); -static NVM_DEV_ATTR_RO(num_planes); -static NVM_DEV_ATTR_RO(num_blocks); -static NVM_DEV_ATTR_RO(num_pages); -static NVM_DEV_ATTR_RO(page_size); -static NVM_DEV_ATTR_RO(hw_sector_size); -static NVM_DEV_ATTR_RO(oob_sector_size); -static NVM_DEV_ATTR_RO(read_typ); -static NVM_DEV_ATTR_RO(read_max); -static NVM_DEV_ATTR_RO(prog_typ); -static NVM_DEV_ATTR_RO(prog_max); -static NVM_DEV_ATTR_RO(erase_typ); -static NVM_DEV_ATTR_RO(erase_max); -static NVM_DEV_ATTR_RO(multiplane_modes); -static NVM_DEV_ATTR_RO(media_capabilities); -static NVM_DEV_ATTR_RO(max_phys_secs); - -#define NVM_DEV_ATTR(_name) (dev_attr_##_name##) - -static struct attribute *nvm_dev_attrs[] = { - &dev_attr_version.attr, - &dev_attr_vendor_opcode.attr, - &dev_attr_capabilities.attr, - &dev_attr_device_mode.attr, - &dev_attr_media_manager.attr, - - &dev_attr_ppa_format.attr, - &dev_attr_media_type.attr, - &dev_attr_flash_media_type.attr, - &dev_attr_num_channels.attr, - &dev_attr_num_luns.attr, - &dev_attr_num_planes.attr, - &dev_attr_num_blocks.attr, - &dev_attr_num_pages.attr, - &dev_attr_page_size.attr, - &dev_attr_hw_sector_size.attr, - &dev_attr_oob_sector_size.attr, - &dev_attr_read_typ.attr, - &dev_attr_read_max.attr, - &dev_attr_prog_typ.attr, - &dev_attr_prog_max.attr, - &dev_attr_erase_typ.attr, - &dev_attr_erase_max.attr, - &dev_attr_multiplane_modes.attr, - &dev_attr_media_capabilities.attr, - &dev_attr_max_phys_secs.attr, - NULL, -}; - -static struct attribute_group nvm_dev_attr_group = { - .name = "lightnvm", - .attrs = nvm_dev_attrs, -}; - -static const struct attribute_group *nvm_dev_attr_groups[] = { - &nvm_dev_attr_group, - NULL, -}; - -static void nvm_dev_release(struct device *device) -{ - struct nvm_dev *dev = container_of(device, struct nvm_dev, dev); - struct request_queue *q = dev->q; - - pr_debug("nvm/sysfs: `nvm_dev_release`\n"); - - blk_mq_unregister_dev(device, q); - - nvm_free(dev); -} - -static struct device_type nvm_type = { - .name = "lightnvm", - .groups = nvm_dev_attr_groups, - .release = nvm_dev_release, -}; - -int nvm_sysfs_register_dev(struct nvm_dev *dev) -{ - int ret; - - if (!dev->parent_dev) - return 0; - - dev->dev.parent = dev->parent_dev; - dev_set_name(&dev->dev, "%s", dev->name); - dev->dev.type = &nvm_type; - device_initialize(&dev->dev); - ret = device_add(&dev->dev); - - if (!ret) - blk_mq_register_dev(&dev->dev, dev->q); - - return ret; -} - -void nvm_sysfs_unregister_dev(struct nvm_dev *dev) -{ - if (dev && dev->parent_dev) - kobject_put(&dev->dev.kobj); -} |