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Diffstat (limited to 'drivers/lightnvm/gennvm.h')
-rw-r--r--drivers/lightnvm/gennvm.h34
1 files changed, 19 insertions, 15 deletions
diff --git a/drivers/lightnvm/gennvm.h b/drivers/lightnvm/gennvm.h
index 8ecfa817d21d..6a4b3f368848 100644
--- a/drivers/lightnvm/gennvm.h
+++ b/drivers/lightnvm/gennvm.h
@@ -20,37 +20,41 @@
#include <linux/lightnvm.h>
-struct gen_lun {
- struct nvm_lun vlun;
-
- int reserved_blocks;
- /* lun block lists */
- struct list_head used_list; /* In-use blocks */
- struct list_head free_list; /* Not used blocks i.e. released
- * and ready for use
- */
- struct list_head bb_list; /* Bad blocks. Mutually exclusive with
- * free_list and used_list
- */
-};
-
struct gen_dev {
struct nvm_dev *dev;
int nr_luns;
- struct gen_lun *luns;
struct list_head area_list;
struct mutex lock;
struct list_head targets;
};
+/* Map between virtual and physical channel and lun */
+struct gen_ch_map {
+ int ch_off;
+ int nr_luns;
+ int *lun_offs;
+};
+
+struct gen_dev_map {
+ struct gen_ch_map *chnls;
+ int nr_chnls;
+};
+
struct gen_area {
struct list_head list;
sector_t begin;
sector_t end; /* end is excluded */
};
+static inline void *ch_map_to_lun_offs(struct gen_ch_map *ch_map)
+{
+ return ch_map + 1;
+}
+
+typedef int (gen_trans_fn)(struct nvm_tgt_dev *, struct ppa_addr *);
+
#define gen_for_each_lun(bm, lun, i) \
for ((i) = 0, lun = &(bm)->luns[0]; \
(i) < (bm)->nr_luns; (i)++, lun = &(bm)->luns[(i)])