The linear addressing mode was removed in 7386af2. Make null_blk instead
expose the ppa format geometry and support the generic addressing mode.
Signed-off-by: Matias Bjørling <m@xxxxxxxxxxx>
---
drivers/block/null_blk.c | 28 +++++++++++++++++++++++-----
1 file changed, 23 insertions(+), 5 deletions(-)
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 173ba24..6184b82 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -486,6 +486,7 @@ static int null_lnvm_submit_io(struct request_queue *q, struct nvm_rq *rqd)
static int null_lnvm_id(struct request_queue *q, struct nvm_id *id)
{
sector_t size = gb * 1024 * 1024 * 1024ULL;
+ sector_t blksize;
struct nvm_id_group *grp;
id->ver_id = 0x1;
@@ -493,17 +494,34 @@ static int null_lnvm_id(struct request_queue *q, struct nvm_id *id)
id->cgrps = 1;
id->cap = 0x3;
id->dom = 0x1;
- id->ppat = NVM_ADDRMODE_LINEAR;
+
+ id->ppaf.blk_offset = 0;
+ id->ppaf.blk_len = 16;
+ id->ppaf.pg_offset = 16;
+ id->ppaf.pg_len = 16;
+ id->ppaf.sect_offset = 32;
+ id->ppaf.sect_len = 8;
+ id->ppaf.pln_offset = 40;
+ id->ppaf.pln_len = 8;
+ id->ppaf.lun_offset = 48;
+ id->ppaf.lun_len = 8;
+ id->ppaf.ch_offset = 56;
+ id->ppaf.ch_len = 8;
do_div(size, bs); /* convert size to pages */
+ do_div(size, 256); /* concert size to pgs pr blk */
grp = &id->groups[0];
grp->mtype = 0;
- grp->fmtype = 1;
+ grp->fmtype = 0;
grp->num_ch = 1;
- grp->num_lun = 1;
- grp->num_pln = 1;
- grp->num_blk = size / 256;
grp->num_pg = 256;
+ blksize = size;
+ do_div(size, (1 << 16));
+ grp->num_lun = size + 1;
+ do_div(blksize, grp->num_lun);
+ grp->num_blk = blksize;
+ grp->num_pln = 1;
+
grp->fpg_sz = bs;
grp->csecs = bs;
grp->trdt = 25000;
--
2.1.4
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