119 lines
5.0 KiB
C
119 lines
5.0 KiB
C
#ifndef TARGET_CORE_BACKEND_CONFIGFS_H
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#define TARGET_CORE_BACKEND_CONFIGFS_H
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#include <target/configfs_macros.h>
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#define DEF_TB_DEV_ATTRIB_SHOW(_backend, _name) \
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static ssize_t _backend##_dev_show_attr_##_name( \
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struct se_dev_attrib *da, \
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char *page) \
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{ \
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return snprintf(page, PAGE_SIZE, "%u\n", \
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(u32)da->da_dev->dev_attrib._name); \
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}
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#define DEF_TB_DEV_ATTRIB_STORE(_backend, _name) \
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static ssize_t _backend##_dev_store_attr_##_name( \
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struct se_dev_attrib *da, \
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const char *page, \
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size_t count) \
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{ \
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unsigned long val; \
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int ret; \
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\
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ret = kstrtoul(page, 0, &val); \
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if (ret < 0) { \
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pr_err("kstrtoul() failed with ret: %d\n", ret); \
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return -EINVAL; \
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} \
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ret = se_dev_set_##_name(da->da_dev, (u32)val); \
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\
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return (!ret) ? count : -EINVAL; \
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}
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#define DEF_TB_DEV_ATTRIB(_backend, _name) \
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DEF_TB_DEV_ATTRIB_SHOW(_backend, _name); \
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DEF_TB_DEV_ATTRIB_STORE(_backend, _name);
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#define DEF_TB_DEV_ATTRIB_RO(_backend, name) \
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DEF_TB_DEV_ATTRIB_SHOW(_backend, name);
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CONFIGFS_EATTR_STRUCT(target_backend_dev_attrib, se_dev_attrib);
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#define TB_DEV_ATTR(_backend, _name, _mode) \
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static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
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__CONFIGFS_EATTR(_name, _mode, \
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_backend##_dev_show_attr_##_name, \
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_backend##_dev_store_attr_##_name);
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#define TB_DEV_ATTR_RO(_backend, _name) \
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static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
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__CONFIGFS_EATTR_RO(_name, \
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_backend##_dev_show_attr_##_name);
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/*
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* Default list of target backend device attributes as defined by
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* struct se_dev_attrib
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*/
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#define DEF_TB_DEFAULT_ATTRIBS(_backend) \
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DEF_TB_DEV_ATTRIB(_backend, emulate_model_alias); \
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TB_DEV_ATTR(_backend, emulate_model_alias, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_dpo); \
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TB_DEV_ATTR(_backend, emulate_dpo, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_fua_write); \
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TB_DEV_ATTR(_backend, emulate_fua_write, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_fua_read); \
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TB_DEV_ATTR(_backend, emulate_fua_read, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_write_cache); \
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TB_DEV_ATTR(_backend, emulate_write_cache, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_ua_intlck_ctrl); \
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TB_DEV_ATTR(_backend, emulate_ua_intlck_ctrl, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_tas); \
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TB_DEV_ATTR(_backend, emulate_tas, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_tpu); \
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TB_DEV_ATTR(_backend, emulate_tpu, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_tpws); \
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TB_DEV_ATTR(_backend, emulate_tpws, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_caw); \
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TB_DEV_ATTR(_backend, emulate_caw, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_3pc); \
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TB_DEV_ATTR(_backend, emulate_3pc, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, pi_prot_type); \
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TB_DEV_ATTR(_backend, pi_prot_type, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB_RO(_backend, hw_pi_prot_type); \
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TB_DEV_ATTR_RO(_backend, hw_pi_prot_type); \
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DEF_TB_DEV_ATTRIB(_backend, pi_prot_format); \
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TB_DEV_ATTR(_backend, pi_prot_format, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, enforce_pr_isids); \
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TB_DEV_ATTR(_backend, enforce_pr_isids, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, is_nonrot); \
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TB_DEV_ATTR(_backend, is_nonrot, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, emulate_rest_reord); \
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TB_DEV_ATTR(_backend, emulate_rest_reord, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, force_pr_aptpl); \
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TB_DEV_ATTR(_backend, force_pr_aptpl, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB_RO(_backend, hw_block_size); \
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TB_DEV_ATTR_RO(_backend, hw_block_size); \
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DEF_TB_DEV_ATTRIB(_backend, block_size); \
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TB_DEV_ATTR(_backend, block_size, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB_RO(_backend, hw_max_sectors); \
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TB_DEV_ATTR_RO(_backend, hw_max_sectors); \
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DEF_TB_DEV_ATTRIB(_backend, optimal_sectors); \
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TB_DEV_ATTR(_backend, optimal_sectors, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB_RO(_backend, hw_queue_depth); \
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TB_DEV_ATTR_RO(_backend, hw_queue_depth); \
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DEF_TB_DEV_ATTRIB(_backend, queue_depth); \
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TB_DEV_ATTR(_backend, queue_depth, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, max_unmap_lba_count); \
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TB_DEV_ATTR(_backend, max_unmap_lba_count, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, max_unmap_block_desc_count); \
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TB_DEV_ATTR(_backend, max_unmap_block_desc_count, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, unmap_granularity); \
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TB_DEV_ATTR(_backend, unmap_granularity, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, unmap_granularity_alignment); \
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TB_DEV_ATTR(_backend, unmap_granularity_alignment, S_IRUGO | S_IWUSR); \
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DEF_TB_DEV_ATTRIB(_backend, max_write_same_len); \
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TB_DEV_ATTR(_backend, max_write_same_len, S_IRUGO | S_IWUSR);
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#endif /* TARGET_CORE_BACKEND_CONFIGFS_H */
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