mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-27 03:47:43 +00:00
7216dc077d
Now that fabric_max_sectors is no longer used to enforce the maximum I/O size, go ahead and drop it's left-over usage in target-core and associated backend drivers. Cc: Christoph Hellwig <hch@lst.de> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Roland Dreier <roland@purestorage.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
119 lines
5.0 KiB
C
119 lines
5.0 KiB
C
#ifndef TARGET_CORE_BACKEND_CONFIGFS_H
|
|
#define TARGET_CORE_BACKEND_CONFIGFS_H
|
|
|
|
#include <target/configfs_macros.h>
|
|
|
|
#define DEF_TB_DEV_ATTRIB_SHOW(_backend, _name) \
|
|
static ssize_t _backend##_dev_show_attr_##_name( \
|
|
struct se_dev_attrib *da, \
|
|
char *page) \
|
|
{ \
|
|
return snprintf(page, PAGE_SIZE, "%u\n", \
|
|
(u32)da->da_dev->dev_attrib._name); \
|
|
}
|
|
|
|
#define DEF_TB_DEV_ATTRIB_STORE(_backend, _name) \
|
|
static ssize_t _backend##_dev_store_attr_##_name( \
|
|
struct se_dev_attrib *da, \
|
|
const char *page, \
|
|
size_t count) \
|
|
{ \
|
|
unsigned long val; \
|
|
int ret; \
|
|
\
|
|
ret = kstrtoul(page, 0, &val); \
|
|
if (ret < 0) { \
|
|
pr_err("kstrtoul() failed with ret: %d\n", ret); \
|
|
return -EINVAL; \
|
|
} \
|
|
ret = se_dev_set_##_name(da->da_dev, (u32)val); \
|
|
\
|
|
return (!ret) ? count : -EINVAL; \
|
|
}
|
|
|
|
#define DEF_TB_DEV_ATTRIB(_backend, _name) \
|
|
DEF_TB_DEV_ATTRIB_SHOW(_backend, _name); \
|
|
DEF_TB_DEV_ATTRIB_STORE(_backend, _name);
|
|
|
|
#define DEF_TB_DEV_ATTRIB_RO(_backend, name) \
|
|
DEF_TB_DEV_ATTRIB_SHOW(_backend, name);
|
|
|
|
CONFIGFS_EATTR_STRUCT(target_backend_dev_attrib, se_dev_attrib);
|
|
#define TB_DEV_ATTR(_backend, _name, _mode) \
|
|
static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
|
|
__CONFIGFS_EATTR(_name, _mode, \
|
|
_backend##_dev_show_attr_##_name, \
|
|
_backend##_dev_store_attr_##_name);
|
|
|
|
#define TB_DEV_ATTR_RO(_backend, _name) \
|
|
static struct target_backend_dev_attrib_attribute _backend##_dev_attrib_##_name = \
|
|
__CONFIGFS_EATTR_RO(_name, \
|
|
_backend##_dev_show_attr_##_name);
|
|
|
|
/*
|
|
* Default list of target backend device attributes as defined by
|
|
* struct se_dev_attrib
|
|
*/
|
|
|
|
#define DEF_TB_DEFAULT_ATTRIBS(_backend) \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_model_alias); \
|
|
TB_DEV_ATTR(_backend, emulate_model_alias, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_dpo); \
|
|
TB_DEV_ATTR(_backend, emulate_dpo, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_fua_write); \
|
|
TB_DEV_ATTR(_backend, emulate_fua_write, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_fua_read); \
|
|
TB_DEV_ATTR(_backend, emulate_fua_read, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_write_cache); \
|
|
TB_DEV_ATTR(_backend, emulate_write_cache, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_ua_intlck_ctrl); \
|
|
TB_DEV_ATTR(_backend, emulate_ua_intlck_ctrl, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_tas); \
|
|
TB_DEV_ATTR(_backend, emulate_tas, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_tpu); \
|
|
TB_DEV_ATTR(_backend, emulate_tpu, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_tpws); \
|
|
TB_DEV_ATTR(_backend, emulate_tpws, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_caw); \
|
|
TB_DEV_ATTR(_backend, emulate_caw, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_3pc); \
|
|
TB_DEV_ATTR(_backend, emulate_3pc, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, pi_prot_type); \
|
|
TB_DEV_ATTR(_backend, pi_prot_type, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB_RO(_backend, hw_pi_prot_type); \
|
|
TB_DEV_ATTR_RO(_backend, hw_pi_prot_type); \
|
|
DEF_TB_DEV_ATTRIB(_backend, pi_prot_format); \
|
|
TB_DEV_ATTR(_backend, pi_prot_format, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, enforce_pr_isids); \
|
|
TB_DEV_ATTR(_backend, enforce_pr_isids, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, is_nonrot); \
|
|
TB_DEV_ATTR(_backend, is_nonrot, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, emulate_rest_reord); \
|
|
TB_DEV_ATTR(_backend, emulate_rest_reord, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, force_pr_aptpl); \
|
|
TB_DEV_ATTR(_backend, force_pr_aptpl, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB_RO(_backend, hw_block_size); \
|
|
TB_DEV_ATTR_RO(_backend, hw_block_size); \
|
|
DEF_TB_DEV_ATTRIB(_backend, block_size); \
|
|
TB_DEV_ATTR(_backend, block_size, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB_RO(_backend, hw_max_sectors); \
|
|
TB_DEV_ATTR_RO(_backend, hw_max_sectors); \
|
|
DEF_TB_DEV_ATTRIB(_backend, optimal_sectors); \
|
|
TB_DEV_ATTR(_backend, optimal_sectors, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB_RO(_backend, hw_queue_depth); \
|
|
TB_DEV_ATTR_RO(_backend, hw_queue_depth); \
|
|
DEF_TB_DEV_ATTRIB(_backend, queue_depth); \
|
|
TB_DEV_ATTR(_backend, queue_depth, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, max_unmap_lba_count); \
|
|
TB_DEV_ATTR(_backend, max_unmap_lba_count, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, max_unmap_block_desc_count); \
|
|
TB_DEV_ATTR(_backend, max_unmap_block_desc_count, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, unmap_granularity); \
|
|
TB_DEV_ATTR(_backend, unmap_granularity, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, unmap_granularity_alignment); \
|
|
TB_DEV_ATTR(_backend, unmap_granularity_alignment, S_IRUGO | S_IWUSR); \
|
|
DEF_TB_DEV_ATTRIB(_backend, max_write_same_len); \
|
|
TB_DEV_ATTR(_backend, max_write_same_len, S_IRUGO | S_IWUSR);
|
|
|
|
#endif /* TARGET_CORE_BACKEND_CONFIGFS_H */
|