/*
* Function name: tw_cli_aen_callback
* Description: Callback for requests to fetch AEN's.
*
* Input: req -- ptr to completed request pkt
* Output: None
* Return value: None
*/
TW_VOID
tw_cli_aen_callback(struct tw_cli_req_context *req)
{
struct tw_cli_ctlr_context *ctlr = req->ctlr;
struct tw_cl_command_header *cmd_hdr;
struct tw_cl_command_9k *cmd =
&(req->cmd_pkt->command.cmd_pkt_9k);
TW_UINT16 aen_code = TWA_AEN_QUEUE_EMPTY;
TW_INT32 error;
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(), "entered");
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(),
"req_id = 0x%x, req error = %d, status = 0x%x",
GET_REQ_ID(cmd->lun_l4__req_id), req->error_code, cmd->status);
/*
* If the request was never submitted to the controller, the function
* that sets error is responsible for calling tw_cl_create_event.
*/
if (!(error = req->error_code))
if ((error = cmd->status)) {
cmd_hdr = (struct tw_cl_command_header *)
(&(req->cmd_pkt->cmd_hdr));
tw_cli_create_ctlr_event(ctlr,
TW_CL_MESSAGE_SOURCE_CONTROLLER_ERROR,
cmd_hdr);
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1206, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Request Sense failed",
"opcode = 0x%x, status = %d",
GET_OPCODE(cmd->res__opcode), cmd->status);
}
if (error) {
ctlr->internal_req_busy = TW_CL_FALSE;
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
return;
}
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(),
"Request Sense command succeeded");
aen_code = tw_cli_manage_aen(ctlr, req);
if (aen_code != TWA_AEN_SYNC_TIME_WITH_HOST) {
ctlr->internal_req_busy = TW_CL_FALSE;
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
if (aen_code != TWA_AEN_QUEUE_EMPTY)
if ((error = tw_cli_get_aen(ctlr)))
tw_cl_create_event(ctlr->ctlr_handle,
TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1207, 0x1,
TW_CL_SEVERITY_ERROR_STRING,
"Failed to fetch all AEN's",
"error = %d", error);
}
}
/*
* Function name: tw_cli_param_callback
* Description: Callback for get/set_param requests.
*
* Input: req -- ptr to completed request pkt
* Output: None
* Return value: None
*/
TW_VOID
tw_cli_param_callback(struct tw_cli_req_context *req)
{
struct tw_cli_ctlr_context *ctlr = req->ctlr;
union tw_cl_command_7k *cmd =
&(req->cmd_pkt->command.cmd_pkt_7k);
TW_INT32 error;
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(), "entered");
/*
* If the request was never submitted to the controller, the function
* that sets req->error is responsible for calling tw_cl_create_event.
*/
if (! req->error_code)
if (cmd->param.status) {
#if 0
tw_cli_create_ctlr_event(ctlr,
TW_CL_MESSAGE_SOURCE_CONTROLLER_ERROR,
&(req->cmd_pkt->cmd_hdr));
#endif // 0
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1204, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"get/set_param failed",
"status = %d", cmd->param.status);
}
ctlr->internal_req_busy = TW_CL_FALSE;
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
if ((ctlr->get_more_aens) && (!(ctlr->reset_in_progress))) {
ctlr->get_more_aens = TW_CL_FALSE;
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(),
"Fetching more AEN's");
if ((error = tw_cli_get_aen(ctlr)))
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1205, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Failed to fetch all AEN's from param_callback",
"error = %d", error);
}
}
/*
* Function name: tw_cli_manage_aen
* Description: Handles AEN's.
*
* Input: ctlr -- ptr to CL internal ctlr context
* req -- ptr to CL internal request context
* Output: None
* Return value: None
*/
TW_UINT16
tw_cli_manage_aen(struct tw_cli_ctlr_context *ctlr,
struct tw_cli_req_context *req)
{
struct tw_cl_command_header *cmd_hdr;
TW_UINT16 aen_code;
TW_TIME local_time;
TW_TIME sync_time;
TW_UINT32 error;
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(), "entered");
cmd_hdr = (struct tw_cl_command_header *)(req->data);
aen_code = cmd_hdr->status_block.error;
switch (aen_code) {
case TWA_AEN_SYNC_TIME_WITH_HOST:
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(),
"Received AEN_SYNC_TIME");
/*
* Free the internal req pkt right here, since
* tw_cli_set_param will need it.
*/
ctlr->internal_req_busy = TW_CL_FALSE;
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
/*
* We will use a callback in tw_cli_set_param only when
* interrupts are enabled and we can expect our callback
* to get called. Setting the get_more_aens
* flag will make the callback continue to try to retrieve
* more AEN's.
*/
if (ctlr->interrupts_enabled)
ctlr->get_more_aens = TW_CL_TRUE;
/* Calculate time (in seconds) since last Sunday 12.00 AM. */
local_time = tw_osl_get_local_time();
sync_time = (local_time - (3 * 86400)) % 604800;
if ((error = tw_cli_set_param(ctlr, TWA_PARAM_TIME_TABLE,
TWA_PARAM_TIME_SCHED_TIME, 4,
&sync_time,
(ctlr->interrupts_enabled)
? tw_cli_param_callback : TW_CL_NULL)))
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1208, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"Unable to sync time with ctlr",
"error = %d", error);
break;
case TWA_AEN_QUEUE_EMPTY:
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(),
"AEN queue empty");
break;
default:
/* Queue the event. */
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(),
"Queueing AEN");
tw_cli_create_ctlr_event(ctlr,
TW_CL_MESSAGE_SOURCE_CONTROLLER_EVENT,
cmd_hdr);
break;
} /* switch */
return(aen_code);
}
/*
* Function name: tw_cli_scsi_complete
* Description: Completion routine for SCSI requests.
*
* Input: req -- ptr to CL internal request context
* Output: None
* Return value: None
*/
TW_VOID
tw_cli_scsi_complete(struct tw_cli_req_context *req)
{
struct tw_cl_req_packet *req_pkt =
(struct tw_cl_req_packet *)(req->orig_req);
struct tw_cl_scsi_req_packet *scsi_req =
&(req_pkt->gen_req_pkt.scsi_req);
struct tw_cl_command_9k *cmd =
&(req->cmd_pkt->command.cmd_pkt_9k);
struct tw_cl_command_header *cmd_hdr;
TW_UINT16 error;
TW_UINT8 *cdb;
tw_cli_dbg_printf(8, req->ctlr->ctlr_handle, tw_osl_cur_func(),
"entered");
scsi_req->scsi_status = cmd->status;
if (! cmd->status)
return;
tw_cli_dbg_printf(1, req->ctlr->ctlr_handle, tw_osl_cur_func(),
"req_id = 0x%x, status = 0x%x",
GET_REQ_ID(cmd->lun_l4__req_id), cmd->status);
cmd_hdr = &(req->cmd_pkt->cmd_hdr);
error = cmd_hdr->status_block.error;
if ((error == TWA_ERROR_LOGICAL_UNIT_NOT_SUPPORTED) ||
(error == TWA_ERROR_UNIT_OFFLINE)) {
if (GET_LUN_L4(cmd->lun_l4__req_id))
req_pkt->status |= TW_CL_ERR_REQ_INVALID_LUN;
else
req_pkt->status |= TW_CL_ERR_REQ_INVALID_TARGET;
} else {
tw_cli_dbg_printf(2, req->ctlr->ctlr_handle,
tw_osl_cur_func(),
"cmd = %x %x %x %x %x %x %x",
GET_OPCODE(cmd->res__opcode),
GET_SGL_OFF(cmd->res__opcode),
cmd->unit,
cmd->lun_l4__req_id,
cmd->status,
cmd->sgl_offset,
cmd->lun_h4__sgl_entries);
cdb = (TW_UINT8 *)(cmd->cdb);
tw_cli_dbg_printf(2, req->ctlr->ctlr_handle,
tw_osl_cur_func(),
"cdb = %x %x %x %x %x %x %x %x "
"%x %x %x %x %x %x %x %x",
cdb[0], cdb[1], cdb[2], cdb[3],
cdb[4], cdb[5], cdb[6], cdb[7],
cdb[8], cdb[9], cdb[10], cdb[11],
cdb[12], cdb[13], cdb[14], cdb[15]);
#if 0
/*
* Print the error. Firmware doesn't yet support
* the 'Mode Sense' cmd. Don't print if the cmd
* is 'Mode Sense', and the error is 'Invalid field
* in CDB'.
*/
if (! ((cdb[0] == 0x1A) && (error == 0x10D)))
tw_cli_create_ctlr_event(req->ctlr,
TW_CL_MESSAGE_SOURCE_CONTROLLER_ERROR,
cmd_hdr);
#endif // 0
}
if (scsi_req->sense_data) {
tw_osl_memcpy(scsi_req->sense_data, cmd_hdr->sense_data,
TWA_SENSE_DATA_LENGTH);
scsi_req->sense_len = TWA_SENSE_DATA_LENGTH;
req_pkt->status |= TW_CL_ERR_REQ_AUTO_SENSE_VALID;
}
req_pkt->status |= TW_CL_ERR_REQ_SCSI_ERROR;
}
/*
* Function name: tw_cli_init_connection
* Description: Sends init_connection cmd to firmware
*
* Input: ctlr -- ptr to per ctlr structure
* message_credits -- max # of requests that we might send
* down simultaneously. This will be
* typically set to 256 at init-time or
* after a reset, and to 1 at shutdown-time
* set_features -- indicates if we intend to use 64-bit
* sg, also indicates if we want to do a
* basic or an extended init_connection;
*
* Note: The following input/output parameters are valid, only in case of an
* extended init_connection:
*
* current_fw_srl -- srl of fw we are bundled
* with, if any; 0 otherwise
* current_fw_arch_id -- arch_id of fw we are bundled
* with, if any; 0 otherwise
* current_fw_branch -- branch # of fw we are bundled
* with, if any; 0 otherwise
* current_fw_build -- build # of fw we are bundled
* with, if any; 0 otherwise
* Output: fw_on_ctlr_srl -- srl of fw on ctlr
* fw_on_ctlr_arch_id -- arch_id of fw on ctlr
* fw_on_ctlr_branch -- branch # of fw on ctlr
* fw_on_ctlr_build -- build # of fw on ctlr
* init_connect_result -- result bitmap of fw response
* Return value: 0 -- success
* non-zero-- failure
*/
TW_INT32
tw_cli_init_connection(struct tw_cli_ctlr_context *ctlr,
TW_UINT16 message_credits, TW_UINT32 set_features,
TW_UINT16 current_fw_srl, TW_UINT16 current_fw_arch_id,
TW_UINT16 current_fw_branch, TW_UINT16 current_fw_build,
TW_UINT16 *fw_on_ctlr_srl, TW_UINT16 *fw_on_ctlr_arch_id,
TW_UINT16 *fw_on_ctlr_branch, TW_UINT16 *fw_on_ctlr_build,
TW_UINT32 *init_connect_result)
{
struct tw_cli_req_context *req;
struct tw_cl_command_init_connect *init_connect;
TW_INT32 error = TW_OSL_EBUSY;
tw_cli_dbg_printf(3, ctlr->ctlr_handle, tw_osl_cur_func(), "entered");
/* Get a request packet. */
if ((req = tw_cli_get_request(ctlr
)) == TW_CL_NULL)
goto out;
req->flags |= TW_CLI_REQ_FLAGS_INTERNAL;
/* Build the cmd pkt. */
init_connect = &(req->cmd_pkt->command.cmd_pkt_7k.init_connect);
req->cmd_pkt->cmd_hdr.header_desc.size_header = 128;
init_connect->res1__opcode =
BUILD_RES__OPCODE(0, TWA_FW_CMD_INIT_CONNECTION);
init_connect->request_id =
(TW_UINT8)(TW_CL_SWAP16(req->request_id));
init_connect->message_credits = TW_CL_SWAP16(message_credits);
init_connect->features = TW_CL_SWAP32(set_features);
if (ctlr->flags & TW_CL_64BIT_ADDRESSES)
init_connect->features |= TW_CL_SWAP32(TWA_64BIT_SG_ADDRESSES);
if (set_features & TWA_EXTENDED_INIT_CONNECT) {
/*
* Fill in the extra fields needed for an extended
* init_connect.
*/
init_connect->size = 6;
init_connect->fw_srl = TW_CL_SWAP16(current_fw_srl);
init_connect->fw_arch_id = TW_CL_SWAP16(current_fw_arch_id);
init_connect->fw_branch = TW_CL_SWAP16(current_fw_branch);
init_connect->fw_build = TW_CL_SWAP16(current_fw_build);
} else
init_connect->size = 3;
/* Submit the command, and wait for it to complete. */
error = tw_cli_submit_and_poll_request(req,
TW_CLI_REQUEST_TIMEOUT_PERIOD);
if (error == TW_OSL_ETIMEDOUT)
/* Clean-up done by tw_cli_submit_and_poll_request. */
return(error);
if (error)
goto out;
if ((error = init_connect->status)) {
tw_cli_create_ctlr_event(ctlr,
TW_CL_MESSAGE_SOURCE_CONTROLLER_ERROR,
&(req->cmd_pkt->cmd_hdr));
goto out;
}
if (set_features & TWA_EXTENDED_INIT_CONNECT) {
*fw_on_ctlr_srl = TW_CL_SWAP16(init_connect->fw_srl);
*fw_on_ctlr_arch_id = TW_CL_SWAP16(init_connect->fw_arch_id);
*fw_on_ctlr_branch = TW_CL_SWAP16(init_connect->fw_branch);
*fw_on_ctlr_build = TW_CL_SWAP16(init_connect->fw_build);
*init_connect_result = TW_CL_SWAP32(init_connect->result);
}
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
return(error);
out:
tw_cl_create_event(ctlr->ctlr_handle, TW_CL_FALSE,
TW_CL_MESSAGE_SOURCE_COMMON_LAYER_ERROR,
0x1016, 0x1, TW_CL_SEVERITY_ERROR_STRING,
"init_connection failed",
"error = %d", error);
if (req)
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
return(error);
}
/*
* Function name: tw_cli_drain_aen_queue
* Description: Fetches all un-retrieved AEN's posted by fw.
*
* Input: ctlr -- ptr to CL internal ctlr context
* Output: None
* Return value: 0 -- success
* non-zero-- failure
*/
TW_INT32
tw_cli_drain_aen_queue(struct tw_cli_ctlr_context *ctlr)
{
struct tw_cli_req_context *req;
struct tw_cl_command_header *cmd_hdr;
TW_TIME end_time;
TW_UINT16 aen_code;
TW_INT32 error;
tw_cli_dbg_printf(4, ctlr->ctlr_handle, tw_osl_cur_func(), "entered");
for (;;) {
if ((req = tw_cli_get_request(ctlr
)) == TW_CL_NULL) {
error = TW_OSL_EBUSY;
break;
}
req->flags |= TW_CLI_REQ_FLAGS_INTERNAL;
req->tw_cli_callback = TW_CL_NULL;
if ((error = tw_cli_send_scsi_cmd(req,
0x03 /* REQUEST_SENSE */))) {
tw_cli_dbg_printf(1, ctlr->ctlr_handle,
tw_osl_cur_func(),
"Cannot send command to fetch aen");
break;
}
end_time = tw_osl_get_local_time() +
TW_CLI_REQUEST_TIMEOUT_PERIOD;
do {
if ((error = req->error_code))
/*
* This will take care of completion due to
* a reset, or a failure in
* tw_cli_submit_pending_queue.
*/
goto out;
tw_cli_process_resp_intr(req->ctlr);
if ((req->state != TW_CLI_REQ_STATE_BUSY) &&
(req->state != TW_CLI_REQ_STATE_PENDING))
break;
} while (tw_osl_get_local_time() <= end_time);
if (req->state != TW_CLI_REQ_STATE_COMPLETE) {
error = TW_OSL_ETIMEDOUT;
break;
}
if ((error = req->cmd_pkt->command.cmd_pkt_9k.status)) {
cmd_hdr = &req->cmd_pkt->cmd_hdr;
#if 0
tw_cli_create_ctlr_event(ctlr,
TW_CL_MESSAGE_SOURCE_CONTROLLER_ERROR,
cmd_hdr);
#endif // 0
break;
}
aen_code = tw_cli_manage_aen(ctlr, req);
if (aen_code == TWA_AEN_QUEUE_EMPTY)
break;
if (aen_code == TWA_AEN_SYNC_TIME_WITH_HOST)
continue;
ctlr->internal_req_busy = TW_CL_FALSE;
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
}
out:
if (req) {
if (req->data)
ctlr->internal_req_busy = TW_CL_FALSE;
tw_cli_req_q_insert_tail(req, TW_CLI_FREE_Q);
}
return(error);
}
