motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-03 15:53:54 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

hw/nvme: separate identify data for sec. ctrl list

Browse source 
Secondary controller list for virtualization has been managed by
Identify Secondary Controller List data structure with NvmeSecCtrlList
where up to 127 secondary controller entries can be managed.  The
problem hasn't arisen so far because NVME_MAX_VFS has been 127.

This patch separated identify data itself from the actual secondary
controller list managed by controller to support more than 127 secondary
controllers with the following patch.  This patch reused
NvmeSecCtrlEntry structure to manage all the possible secondary
controllers, and copy entries to identify data structure when the
command comes in.

Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Minwoo Im <minwoo.im@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
This commit is contained in:
Minwoo Im 2024-05-29 21:42:32 +09:00 • committed by Klaus Jensen
parent 6471556500
commit 1a494d119a
3 changed files with 22 additions and 21 deletions
Download patch file Download diff file Expand all files Collapse all files

8
hw/nvme/subsys.c
View file

@ -17,13 +17,13 @@
static int nvme_subsys_reserve_cntlids(NvmeCtrl *n, int start, int num)
{
NvmeSubsystem *subsys = n->subsys;
NvmeSecCtrlList *list = &n->sec_ctrl_list;
NvmeSecCtrlEntry *list = n->sec_ctrl_list;
NvmeSecCtrlEntry *sctrl;
int i, cnt = 0;
for (i = start; i < ARRAY_SIZE(subsys->ctrls) && cnt < num; i++) {
if (!subsys->ctrls[i]) {
sctrl = &list->sec[cnt];
sctrl = &list[cnt];
sctrl->scid = cpu_to_le16(i);
subsys->ctrls[i] = SUBSYS_SLOT_RSVD;
cnt++;
@ -36,12 +36,12 @@ static int nvme_subsys_reserve_cntlids(NvmeCtrl *n, int start, int num)
static void nvme_subsys_unreserve_cntlids(NvmeCtrl *n)
{
NvmeSubsystem *subsys = n->subsys;
NvmeSecCtrlList *list = &n->sec_ctrl_list;
NvmeSecCtrlEntry *list = n->sec_ctrl_list;
NvmeSecCtrlEntry *sctrl;
int i, cntlid;
for (i = 0; i < n->params.sriov_max_vfs; i++) {
sctrl = &list->sec[i];
sctrl = &list[i];
cntlid = le16_to_cpu(sctrl->scid);
if (cntlid) {