SYS-OSS/FRET-qemu
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

hw/block/nvme: update dmsrl limit on namespace detachment

Browse Source 
The Non-MDTS DMSRL limit must be recomputed when namespaces are
detached.

Fixes: 645ce1a70cb6 ("hw/block/nvme: support namespace attachment command")
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Reviewed-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
Reviewed-by: Keith Busch <kbusch@kernel.org>
This commit is contained in:
Klaus Jensen 2021-03-23 22:42:56 +01:00
parent f447f92c88
commit 9b8671ed43
1 changed files with 17 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
hw/block/nvme.c
View File

@ -4868,6 +4868,21 @@ static uint16_t nvme_aer(NvmeCtrl *n, NvmeRequest *req)
return NVME_NO_COMPLETE; return NVME_NO_COMPLETE;
} }
static void nvme_update_dmrsl(NvmeCtrl *n)
{
int nsid;
for (nsid = 1; nsid <= NVME_MAX_NAMESPACES; nsid++) {
NvmeNamespace *ns = nvme_ns(n, nsid);
if (!ns) {
continue;
}
n->dmrsl = MIN_NON_ZERO(n->dmrsl,
BDRV_REQUEST_MAX_BYTES / nvme_l2b(ns, 1));
}
}
static void __nvme_select_ns_iocs(NvmeCtrl *n, NvmeNamespace *ns); static void __nvme_select_ns_iocs(NvmeCtrl *n, NvmeNamespace *ns);
static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req) static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
{ {
@ -4917,6 +4932,8 @@ static uint16_t nvme_ns_attachment(NvmeCtrl *n, NvmeRequest *req)
} }
nvme_ns_detach(ctrl, ns); nvme_ns_detach(ctrl, ns);
nvme_update_dmrsl(ctrl);
} }
/* /*