static void
nvme_io_qpair_print_command(struct nvme_qpair *qpair,
struct nvme_command *cmd)
{
switch ((int)cmd->opc) {
case NVME_OPC_WRITE:
case NVME_OPC_READ:
case NVME_OPC_WRITE_UNCORRECTABLE:
case NVME_OPC_COMPARE:
nvme_printf(qpair->ctrlr, "%s sqid:%d cid:%d nsid:%d "
"lba:%llu len:%d\n",
nvme_get_string(io_opcode, cmd->opc), qpair->id, cmd->cid,
cmd->nsid,
((unsigned long long)cmd->cdw11 << 32) + cmd->cdw10,
(cmd->cdw12 & 0xFFFF) + 1);
break;
case NVME_OPC_FLUSH:
case NVME_OPC_DATASET_MANAGEMENT:
nvme_printf(qpair->ctrlr, "%s sqid:%d cid:%d nsid:%d\n",
nvme_get_string(io_opcode, cmd->opc), qpair->id, cmd->cid,
cmd->nsid);
break;
default:
nvme_printf(qpair->ctrlr, "%s (%02x) sqid:%d cid:%d nsid:%d\n",
nvme_get_string(io_opcode, cmd->opc), cmd->opc, qpair->id,
cmd->cid, cmd->nsid);
break;
}
}
struct nvme_controller *
nvme_attach(void *devhandle)
{
struct nvme_controller *ctrlr;
int status;
uint64_t phys_addr = 0;
ctrlr = nvme_malloc("nvme_ctrlr", sizeof(struct nvme_controller),
64, &phys_addr);
if (ctrlr == NULL) {
nvme_printf(NULL, "could not allocate ctrlr\n");
return NULL;
}
status = nvme_ctrlr_construct(ctrlr, devhandle);
if (status != 0) {
nvme_free(ctrlr);
return NULL;
}
if (nvme_ctrlr_start(ctrlr) != 0) {
nvme_ctrlr_destruct(ctrlr);
nvme_free(ctrlr);
return NULL;
}
return ctrlr;
}
int
nvme_register_io_thread(void)
{
int rc = 0;
if (nvme_thread_ioq_index >= 0) {
nvme_printf(NULL, "thread already registered\n");
return -1;
}
rc = nvme_allocate_ioq_index();
if (rc) {
nvme_printf(NULL, "ioq_index_pool alloc failed\n");
return rc;
}
return (nvme_thread_ioq_index >= 0) ? 0 : -1;
}
static void
nvme_qpair_print_completion(struct nvme_qpair *qpair,
struct nvme_completion *cpl)
{
nvme_printf(qpair->ctrlr, "%s (%02x/%02x) sqid:%d cid:%d cdw0:%x sqhd:%04x p:%x m:%x dnr:%x\n",
get_status_string(cpl->status.sct, cpl->status.sc),
cpl->status.sct, cpl->status.sc, cpl->sqid, cpl->cid, cpl->cdw0,
cpl->sqhd, cpl->status.p, cpl->status.m, cpl->status.dnr);
}
static void
nvme_admin_qpair_print_command(struct nvme_qpair *qpair,
struct nvme_command *cmd)
{
nvme_printf(qpair->ctrlr, "%s (%02x) sqid:%d cid:%d nsid:%x "
"cdw10:%08x cdw11:%08x\n",
nvme_get_string(admin_opcode, cmd->opc), cmd->opc, qpair->id, cmd->cid,
cmd->nsid, cmd->cdw10, cmd->cdw11);
}
void
nvme_ctrlr_cmd_set_interrupt_coalescing(struct nvme_controller *ctrlr,
uint32_t microseconds, uint32_t threshold, nvme_cb_fn_t cb_fn, void *cb_arg)
{
uint32_t cdw11;
if ((microseconds/100) >= 0x100) {
nvme_printf(ctrlr, "invalid coal time %d, disabling\n",
microseconds);
microseconds = 0;
threshold = 0;
}
if (threshold >= 0x100) {
nvme_printf(ctrlr, "invalid threshold %d, disabling\n",
threshold);
threshold = 0;
microseconds = 0;
}
cdw11 = ((microseconds/100) << 8) | threshold;
nvme_ctrlr_cmd_set_feature(ctrlr, NVME_FEAT_INTERRUPT_COALESCING, cdw11,
NULL, 0, cb_fn, cb_arg);
}
