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head/sys/dev/nvme/nvme_ctrlr_cmd.c

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{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_vaddr(payload, req = nvme_allocate_request_vaddr(payload,
sizeof(struct nvme_controller_data), cb_fn, cb_arg); sizeof(struct nvme_controller_data), cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_IDENTIFY); cmd->opc = NVME_OPC_IDENTIFY;
/* /*
* TODO: create an identify command data structure, which * TODO: create an identify command data structure, which
* includes this CNS bit in cdw10. * includes this CNS bit in cdw10.
*/ */
cmd->cdw10 = htole32(1); cmd->cdw10 = htole32(1);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }
void void
nvme_ctrlr_cmd_identify_namespace(struct nvme_controller *ctrlr, uint32_t nsid, nvme_ctrlr_cmd_identify_namespace(struct nvme_controller *ctrlr, uint32_t nsid,
void *payload, nvme_cb_fn_t cb_fn, void *cb_arg) void *payload, nvme_cb_fn_t cb_fn, void *cb_arg)
{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_vaddr(payload, req = nvme_allocate_request_vaddr(payload,
sizeof(struct nvme_namespace_data), cb_fn, cb_arg); sizeof(struct nvme_namespace_data), cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_IDENTIFY); cmd->opc = NVME_OPC_IDENTIFY;
/* /*
* TODO: create an identify command data structure * TODO: create an identify command data structure
*/ */
cmd->nsid = htole32(nsid); cmd->nsid = htole32(nsid);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }
void void
nvme_ctrlr_cmd_create_io_cq(struct nvme_controller *ctrlr, nvme_ctrlr_cmd_create_io_cq(struct nvme_controller *ctrlr,
struct nvme_qpair *io_que, uint16_t vector, nvme_cb_fn_t cb_fn, struct nvme_qpair *io_que, uint16_t vector, nvme_cb_fn_t cb_fn,
void *cb_arg) void *cb_arg)
{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg); req = nvme_allocate_request_null(cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_CREATE_IO_CQ); cmd->opc = NVME_OPC_CREATE_IO_CQ;
/* /*
* TODO: create a create io completion queue command data * TODO: create a create io completion queue command data
* structure. * structure.
*/ */
cmd->cdw10 = htole32(((io_que->num_entries-1) << 16) | io_que->id); cmd->cdw10 = htole32(((io_que->num_entries-1) << 16) | io_que->id);
/* 0x3 = interrupts enabled | physically contiguous */ /* 0x3 = interrupts enabled | physically contiguous */
cmd->cdw11 = htole32((vector << 16) | 0x3); cmd->cdw11 = htole32((vector << 16) | 0x3);
cmd->prp1 = htole64(io_que->cpl_bus_addr); cmd->prp1 = htole64(io_que->cpl_bus_addr);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }
void void
nvme_ctrlr_cmd_create_io_sq(struct nvme_controller *ctrlr, nvme_ctrlr_cmd_create_io_sq(struct nvme_controller *ctrlr,
struct nvme_qpair *io_que, nvme_cb_fn_t cb_fn, void *cb_arg) struct nvme_qpair *io_que, nvme_cb_fn_t cb_fn, void *cb_arg)
{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg); req = nvme_allocate_request_null(cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_CREATE_IO_SQ); cmd->opc = NVME_OPC_CREATE_IO_SQ;
/* /*
* TODO: create a create io submission queue command data * TODO: create a create io submission queue command data
* structure. * structure.
*/ */
cmd->cdw10 = htole32(((io_que->num_entries-1) << 16) | io_que->id); cmd->cdw10 = htole32(((io_que->num_entries-1) << 16) | io_que->id);
/* 0x1 = physically contiguous */ /* 0x1 = physically contiguous */
cmd->cdw11 = htole32((io_que->id << 16) | 0x1); cmd->cdw11 = htole32((io_que->id << 16) | 0x1);
cmd->prp1 = htole64(io_que->cmd_bus_addr); cmd->prp1 = htole64(io_que->cmd_bus_addr);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }
void void
nvme_ctrlr_cmd_delete_io_cq(struct nvme_controller *ctrlr, nvme_ctrlr_cmd_delete_io_cq(struct nvme_controller *ctrlr,
struct nvme_qpair *io_que, nvme_cb_fn_t cb_fn, void *cb_arg) struct nvme_qpair *io_que, nvme_cb_fn_t cb_fn, void *cb_arg)
{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg); req = nvme_allocate_request_null(cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_DELETE_IO_CQ); cmd->opc = NVME_OPC_DELETE_IO_CQ;
/* /*
* TODO: create a delete io completion queue command data * TODO: create a delete io completion queue command data
* structure. * structure.
*/ */
cmd->cdw10 = htole32(io_que->id); cmd->cdw10 = htole32(io_que->id);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }
void void
nvme_ctrlr_cmd_delete_io_sq(struct nvme_controller *ctrlr, nvme_ctrlr_cmd_delete_io_sq(struct nvme_controller *ctrlr,
struct nvme_qpair *io_que, nvme_cb_fn_t cb_fn, void *cb_arg) struct nvme_qpair *io_que, nvme_cb_fn_t cb_fn, void *cb_arg)
{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg); req = nvme_allocate_request_null(cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_DELETE_IO_SQ); cmd->opc = NVME_OPC_DELETE_IO_SQ;
/* /*
* TODO: create a delete io submission queue command data * TODO: create a delete io submission queue command data
* structure. * structure.
*/ */
cmd->cdw10 = htole32(io_que->id); cmd->cdw10 = htole32(io_que->id);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }
void void
nvme_ctrlr_cmd_set_feature(struct nvme_controller *ctrlr, uint8_t feature, nvme_ctrlr_cmd_set_feature(struct nvme_controller *ctrlr, uint8_t feature,
uint32_t cdw11, void *payload, uint32_t payload_size, uint32_t cdw11, void *payload, uint32_t payload_size,
nvme_cb_fn_t cb_fn, void *cb_arg) nvme_cb_fn_t cb_fn, void *cb_arg)
{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg); req = nvme_allocate_request_null(cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_SET_FEATURES); cmd->opc = NVME_OPC_SET_FEATURES;
cmd->cdw10 = htole32(feature); cmd->cdw10 = htole32(feature);
cmd->cdw11 = htole32(cdw11); cmd->cdw11 = htole32(cdw11);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }
void void
nvme_ctrlr_cmd_get_feature(struct nvme_controller *ctrlr, uint8_t feature, nvme_ctrlr_cmd_get_feature(struct nvme_controller *ctrlr, uint8_t feature,
uint32_t cdw11, void *payload, uint32_t payload_size, uint32_t cdw11, void *payload, uint32_t payload_size,
nvme_cb_fn_t cb_fn, void *cb_arg) nvme_cb_fn_t cb_fn, void *cb_arg)
{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg); req = nvme_allocate_request_null(cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_GET_FEATURES); cmd->opc = NVME_OPC_GET_FEATURES;
cmd->cdw10 = htole32(feature); cmd->cdw10 = htole32(feature);
cmd->cdw11 = htole32(cdw11); cmd->cdw11 = htole32(cdw11);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }
void void
nvme_ctrlr_cmd_set_num_queues(struct nvme_controller *ctrlr, nvme_ctrlr_cmd_set_num_queues(struct nvme_controller *ctrlr,
▲ Show 20 Lines • Show All 49 Lines • ▼ Show 20 Linesnvme_ctrlr_cmd_get_log_page(struct nvme_controller *ctrlr, uint8_t log_page,
void *cb_arg) void *cb_arg)
{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_vaddr(payload, payload_size, cb_fn, cb_arg); req = nvme_allocate_request_vaddr(payload, payload_size, cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_GET_LOG_PAGE); cmd->opc = NVME_OPC_GET_LOG_PAGE;
cmd->nsid = htole32(nsid); cmd->nsid = htole32(nsid);
cmd->cdw10 = ((payload_size/sizeof(uint32_t)) - 1) << 16; cmd->cdw10 = ((payload_size/sizeof(uint32_t)) - 1) << 16;
cmd->cdw10 |= log_page; cmd->cdw10 |= log_page;
cmd->cdw10 = htole32(cmd->cdw10); cmd->cdw10 = htole32(cmd->cdw10);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }
▲ Show 20 Lines • Show All 43 Lines • ▼ Show 20 Linesnvme_ctrlr_cmd_abort(struct nvme_controller *ctrlr, uint16_t cid,
uint16_t sqid, nvme_cb_fn_t cb_fn, void *cb_arg) uint16_t sqid, nvme_cb_fn_t cb_fn, void *cb_arg)
{ {
struct nvme_request *req; struct nvme_request *req;
struct nvme_command *cmd; struct nvme_command *cmd;
req = nvme_allocate_request_null(cb_fn, cb_arg); req = nvme_allocate_request_null(cb_fn, cb_arg);
cmd = &req->cmd; cmd = &req->cmd;
cmd->opc_fuse = NVME_CMD_SET_OPC(NVME_OPC_ABORT); cmd->opc = NVME_OPC_ABORT;
cmd->cdw10 = htole32((cid << 16) | sqid); cmd->cdw10 = htole32((cid << 16) | sqid);
nvme_ctrlr_submit_admin_request(ctrlr, req); nvme_ctrlr_submit_admin_request(ctrlr, req);
} }