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[PATCH 1/3] hw/nvme/ctrl: add controller list cns 0x13
From: |
Gollu Appalanaidu |
Subject: |
[PATCH 1/3] hw/nvme/ctrl: add controller list cns 0x13 |
Date: |
Mon, 17 May 2021 15:37:34 +0530 |
Add the controller identifiers list available in NVM Subsystem
that may or may not be attached to namespaces.
Signed-off-by: Gollu Appalanaidu <anaidu.gollu@samsung.com>
---
hw/nvme/ctrl.c | 25 +++++++++++++++----------
hw/nvme/trace-events | 2 +-
include/block/nvme.h | 1 +
3 files changed, 17 insertions(+), 11 deletions(-)
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index 2e7498a73e..d08a3350e2 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -4251,7 +4251,8 @@ static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeRequest
*req, bool active)
return NVME_INVALID_CMD_SET | NVME_DNR;
}
-static uint16_t nvme_identify_ns_attached_list(NvmeCtrl *n, NvmeRequest *req)
+static uint16_t nvme_identify_ctrl_list(NvmeCtrl *n, NvmeRequest *req,
+ bool attached)
{
NvmeIdentify *c = (NvmeIdentify *)&req->cmd;
uint16_t min_id = le16_to_cpu(c->ctrlid);
@@ -4261,15 +4262,17 @@ static uint16_t nvme_identify_ns_attached_list(NvmeCtrl
*n, NvmeRequest *req)
NvmeCtrl *ctrl;
int cntlid, nr_ids = 0;
- trace_pci_nvme_identify_ns_attached_list(min_id);
+ trace_pci_nvme_identify_ctrl_list(c->cns, min_id);
- if (c->nsid == NVME_NSID_BROADCAST) {
- return NVME_INVALID_FIELD | NVME_DNR;
- }
+ if (attached) {
+ if (c->nsid == NVME_NSID_BROADCAST) {
+ return NVME_INVALID_FIELD | NVME_DNR;
+ }
- ns = nvme_subsys_ns(n->subsys, c->nsid);
- if (!ns) {
- return NVME_INVALID_FIELD | NVME_DNR;
+ ns = nvme_subsys_ns(n->subsys, c->nsid);
+ if (!ns) {
+ return NVME_INVALID_FIELD | NVME_DNR;
+ }
}
for (cntlid = min_id; cntlid < ARRAY_SIZE(n->subsys->ctrls); cntlid++) {
@@ -4278,7 +4281,7 @@ static uint16_t nvme_identify_ns_attached_list(NvmeCtrl
*n, NvmeRequest *req)
continue;
}
- if (!nvme_ns(ctrl, c->nsid)) {
+ if (attached && !nvme_ns(ctrl, c->nsid)) {
continue;
}
@@ -4493,7 +4496,9 @@ static uint16_t nvme_identify(NvmeCtrl *n, NvmeRequest
*req)
case NVME_ID_CNS_NS_PRESENT:
return nvme_identify_ns(n, req, false);
case NVME_ID_CNS_NS_ATTACHED_CTRL_LIST:
- return nvme_identify_ns_attached_list(n, req);
+ return nvme_identify_ctrl_list(n, req, true);
+ case NVME_ID_CNS_CTRL_LIST:
+ return nvme_identify_ctrl_list(n, req, false);
case NVME_ID_CNS_CS_NS:
return nvme_identify_ns_csi(n, req, true);
case NVME_ID_CNS_CS_NS_PRESENT:
diff --git a/hw/nvme/trace-events b/hw/nvme/trace-events
index ea33d0ccc3..7ba3714671 100644
--- a/hw/nvme/trace-events
+++ b/hw/nvme/trace-events
@@ -55,7 +55,7 @@ pci_nvme_identify(uint16_t cid, uint8_t cns, uint16_t ctrlid,
uint8_t csi) "cid
pci_nvme_identify_ctrl(void) "identify controller"
pci_nvme_identify_ctrl_csi(uint8_t csi) "identify controller, csi=0x%"PRIx8""
pci_nvme_identify_ns(uint32_t ns) "nsid %"PRIu32""
-pci_nvme_identify_ns_attached_list(uint16_t cntid) "cntid=%"PRIu16""
+pci_nvme_identify_ctrl_list(uint8_t cns, uint16_t cntid) "cns 0x%"PRIx8"
cntid=%"PRIu16""
pci_nvme_identify_ns_csi(uint32_t ns, uint8_t csi) "nsid=%"PRIu32",
csi=0x%"PRIx8""
pci_nvme_identify_nslist(uint32_t ns) "nsid %"PRIu32""
pci_nvme_identify_nslist_csi(uint16_t ns, uint8_t csi) "nsid=%"PRIu16",
csi=0x%"PRIx8""
diff --git a/include/block/nvme.h b/include/block/nvme.h
index 0ff9ce17a9..188ab460df 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -980,6 +980,7 @@ enum NvmeIdCns {
NVME_ID_CNS_NS_PRESENT_LIST = 0x10,
NVME_ID_CNS_NS_PRESENT = 0x11,
NVME_ID_CNS_NS_ATTACHED_CTRL_LIST = 0x12,
+ NVME_ID_CNS_CTRL_LIST = 0x13,
NVME_ID_CNS_CS_NS_PRESENT_LIST = 0x1a,
NVME_ID_CNS_CS_NS_PRESENT = 0x1b,
NVME_ID_CNS_IO_COMMAND_SET = 0x1c,
--
2.17.1