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nvmf: remove Create/Delete I/O SQ/CQ commands

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These are not supported (and did not actually function) in NVMe over
Fabrics.  Queue creation is handled automatically when new connections
are initiated.

Change-Id: If3a10e5df2f0625537b2c453cd8c835e570fa31e
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Daniel Verkamp 2016-06-24 17:26:21 -07:00
parent 2e550d5165
commit bfa9931b3a
2 changed files with 10 additions and 108 deletions
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110
lib/nvmf/request.c
View File

@ -163,106 +163,6 @@ nvmf_process_admin_cmd(struct nvmf_request *req)
rc = -1;
}
break;
case SPDK_NVME_OPC_DELETE_IO_SQ: {
uint16_t qid = cmd->cdw10 & 0xffff;
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Delete IO SQ, QID %x\n", qid);
if (qid >= MAX_SESSION_IO_QUEUES) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, " Exceeded Session QP Index Limit\n");
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
rc = -1;
} else if (session->qps[qid].sq_active == 0) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, " Session SQ QP Index %x was not active!\n", qid);
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
rc = -1;
} else {
session->qps[qid].sq_size = 0;
session->qps[qid].sq_active = 0;
if (session->qps[qid].cq_active)
session->active_queues--;
rc = 1;
}
}
break;
case SPDK_NVME_OPC_DELETE_IO_CQ: {
uint16_t qid = cmd->cdw10 & 0xffff;
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Delete IO CQ, QID %x\n", qid);
if (qid >= MAX_SESSION_IO_QUEUES) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, " Exceeded Session QP Index Limit\n");
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
rc = -1;
} else if (session->qps[qid].cq_active == 0) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, " Session CQ QP Index %x was not active!\n", qid);
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
rc = -1;
} else {
session->qps[qid].cq_size = 0;
session->qps[qid].cq_active = 0;
if (session->qps[qid].sq_active)
session->active_queues--;
rc = 1;
}
}
break;
case SPDK_NVME_OPC_CREATE_IO_SQ:
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Create IO SQ\n");
/* queues have already been initialized for this session.
so for now save details in the session for which QPs
the remote host attempts to enable.
*/
{
uint16_t qid = cmd->cdw10 & 0xffff;
uint16_t qsize = cmd->cdw10 >> 16;
SPDK_TRACELOG(SPDK_TRACE_NVMF, " QID %x, Queue Size %x, CDW11 %x\n",
qid, qsize, cmd->cdw11);
if (qid >= MAX_SESSION_IO_QUEUES) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, " Exceeded Session QP Index Limit\n");
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
rc = -1;
} else if (session->qps[qid].sq_active > 0) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, " Session SQ QP Index %x Already active!\n", qid);
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
rc = -1;
} else {
session->qps[qid].sq_size = qsize;
session->qps[qid].sq_active = 1;
if (session->qps[qid].cq_active)
session->active_queues++;
rc = 1;
}
}
break;
case SPDK_NVME_OPC_CREATE_IO_CQ:
SPDK_TRACELOG(SPDK_TRACE_NVMF, "Create IO CQ\n");
/* queues have already been initialized for this session.
so for now save details in the session for which QPs
the remote host attempts to enable.
*/
{
uint16_t qid = cmd->cdw10 & 0xffff;
uint16_t qsize = cmd->cdw10 >> 16;
SPDK_TRACELOG(SPDK_TRACE_NVMF, " QID %x, Queue Size %x, CDW11 %x\n",
qid, qsize, cmd->cdw11);
if (qid >= MAX_SESSION_IO_QUEUES) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, " Exceeded Session QP Index Limit\n");
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
rc = -1;
} else if (session->qps[qid].cq_active > 0) {
SPDK_TRACELOG(SPDK_TRACE_NVMF, " Session CQ QP Index %x Already active!\n", qid);
response->status.sc = SPDK_NVME_SC_INVALID_FIELD;
rc = -1;
} else {
session->qps[qid].cq_size = qsize;
session->qps[qid].cq_active = 1;
if (session->qps[qid].sq_active)
session->active_queues++;
rc = 1;
}
}
break;
case SPDK_NVME_OPC_GET_FEATURES:
feature = cmd->cdw10 & 0xff; /* mask out the FID value */
switch (feature) {
@ -329,6 +229,16 @@ nvmf_process_admin_cmd(struct nvmf_request *req)
//session->keep_alive_timestamp = ;
rc = 1; /* immediate completion */
break;
case SPDK_NVME_OPC_CREATE_IO_SQ:
case SPDK_NVME_OPC_CREATE_IO_CQ:
case SPDK_NVME_OPC_DELETE_IO_SQ:
case SPDK_NVME_OPC_DELETE_IO_CQ:
SPDK_ERRLOG("Admin opc 0x%02X not allowed in NVMf\n", cmd->opc);
response->status.sc = SPDK_NVME_SC_INVALID_OPCODE;
rc = -1;
break;
default:
passthrough:
SPDK_TRACELOG(SPDK_TRACE_NVMF, "RAW Passthrough: Admin Opcode %x for ctrlr %p\n",

8
lib/nvmf/session.h
View File

@ -56,13 +56,6 @@ struct nvmf_connection_entry {
/* define a virtual controller limit to the number of QPs supported */
#define MAX_SESSION_IO_QUEUES 64
struct nvmf_io_queue {
uint16_t sq_size;
uint16_t sq_active;
uint16_t cq_size;
uint16_t cq_active;
};
struct nvmf_vc_features {
uint32_t arb; /* arbitration */
uint32_t pm; /* power management */
@ -92,7 +85,6 @@ struct nvmf_session {
uint16_t cntlid;
uint32_t max_io_queues; /* maximum supported by backend NVMe library */
struct nvmf_io_queue qps[MAX_SESSION_IO_QUEUES];
int active_queues;
int is_valid;
struct spdk_nvmf_ctrlr_properties vcprop; /* virtual controller properties */