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authorMike Christie <michael.christie@oracle.com>2025-10-20 10:38:15 +0000
committerMartin K. Petersen <martin.petersen@oracle.com>2025-11-02 21:40:01 -0500
commitd505447b8d78f4d81a67d492ac72b8d3a1805e72 (patch)
tree69eebe1afcb749f11550194a41e5997f5740b68e /drivers/target/target_core_configfs.c
parent3434be392051a2fdb295df3cfe07bf75235250a0 (diff)
scsi: target: Add atomic se_device fields
Add atomic fields to the se_device and export them in configfs. Initially only target_core_iblock will be supported and we will inherit all the settings from the block layer. Signed-off-by: Mike Christie <michael.christie@oracle.com> jpg: Stop being allowed to configure atomic write alignment, Signed-off-by: John Garry <john.g.garry@oracle.com> Link: https://patch.msgid.link/20251020103820.2917593-3-john.g.garry@oracle.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/target/target_core_configfs.c')
-rw-r--r--drivers/target/target_core_configfs.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index b19acd662726..5470c1258445 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -578,6 +578,11 @@ DEF_CONFIGFS_ATTRIB_SHOW(unmap_zeroes_data);
DEF_CONFIGFS_ATTRIB_SHOW(max_write_same_len);
DEF_CONFIGFS_ATTRIB_SHOW(emulate_rsoc);
DEF_CONFIGFS_ATTRIB_SHOW(submit_type);
+DEF_CONFIGFS_ATTRIB_SHOW(atomic_max_len);
+DEF_CONFIGFS_ATTRIB_SHOW(atomic_alignment);
+DEF_CONFIGFS_ATTRIB_SHOW(atomic_granularity);
+DEF_CONFIGFS_ATTRIB_SHOW(atomic_max_with_boundary);
+DEF_CONFIGFS_ATTRIB_SHOW(atomic_max_boundary);
#define DEF_CONFIGFS_ATTRIB_STORE_U32(_name) \
static ssize_t _name##_store(struct config_item *item, const char *page,\
@@ -1300,6 +1305,11 @@ CONFIGFS_ATTR(, max_write_same_len);
CONFIGFS_ATTR(, alua_support);
CONFIGFS_ATTR(, pgr_support);
CONFIGFS_ATTR(, submit_type);
+CONFIGFS_ATTR_RO(, atomic_max_len);
+CONFIGFS_ATTR_RO(, atomic_alignment);
+CONFIGFS_ATTR_RO(, atomic_granularity);
+CONFIGFS_ATTR_RO(, atomic_max_with_boundary);
+CONFIGFS_ATTR_RO(, atomic_max_boundary);
/*
* dev_attrib attributes for devices using the target core SBC/SPC
@@ -1343,6 +1353,11 @@ struct configfs_attribute *sbc_attrib_attrs[] = {
&attr_pgr_support,
&attr_emulate_rsoc,
&attr_submit_type,
+ &attr_atomic_alignment,
+ &attr_atomic_max_len,
+ &attr_atomic_granularity,
+ &attr_atomic_max_with_boundary,
+ &attr_atomic_max_boundary,
NULL,
};
EXPORT_SYMBOL(sbc_attrib_attrs);