From 16ba77091b44af28b3ff3318b4a2aa4fbf7d4c24 Mon Sep 17 00:00:00 2001 From: Dan Williams Date: Fri, 1 Jul 2011 10:52:55 -0700 Subject: isci: merge sata.[ch] into request.c Undo some needless separation. Signed-off-by: Dan Williams --- drivers/scsi/isci/request.c | 71 +++++++++++++++++++++++++-------------------- 1 file changed, 39 insertions(+), 32 deletions(-) (limited to 'drivers/scsi/isci/request.c') diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 7c500bb6a8e..33c8ed1741e 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -56,7 +56,6 @@ #include "isci.h" #include "task.h" #include "request.h" -#include "sata.h" #include "scu_completion_codes.h" #include "scu_event_codes.h" #include "sas.h" @@ -1092,16 +1091,6 @@ smp_request_await_tc_event(struct isci_request *ireq, return SCI_SUCCESS; } -void sci_stp_io_request_set_ncq_tag(struct isci_request *ireq, - u16 ncq_tag) -{ - /** - * @note This could be made to return an error to the user if the user - * attempts to set the NCQ tag in the wrong state. - */ - ireq->tc->type.stp.ncq_tag = ncq_tag; -} - static struct scu_sgl_element *pio_sgl_next(struct isci_stp_request *stp_req) { struct scu_sgl_element *sgl; @@ -2410,6 +2399,29 @@ static void isci_task_save_for_upper_layer_completion( } } +static void isci_request_process_stp_response(struct sas_task *task, + void *response_buffer) +{ + struct dev_to_host_fis *d2h_reg_fis = response_buffer; + struct task_status_struct *ts = &task->task_status; + struct ata_task_resp *resp = (void *)&ts->buf[0]; + + resp->frame_len = le16_to_cpu(*(__le16 *)(response_buffer + 6)); + memcpy(&resp->ending_fis[0], response_buffer + 16, 24); + ts->buf_valid_size = sizeof(*resp); + + /** + * If the device fault bit is set in the status register, then + * set the sense data and return. + */ + if (d2h_reg_fis->status & ATA_DF) + ts->stat = SAS_PROTO_RESPONSE; + else + ts->stat = SAM_STAT_GOOD; + + ts->resp = SAS_TASK_COMPLETE; +} + static void isci_request_io_request_complete(struct isci_host *ihost, struct isci_request *request, enum sci_io_status completion_status) @@ -2985,34 +2997,29 @@ static enum sci_status isci_request_ssp_request_construct( return status; } -static enum sci_status isci_request_stp_request_construct( - struct isci_request *request) +static enum sci_status isci_request_stp_request_construct(struct isci_request *ireq) { - struct sas_task *task = isci_request_access_task(request); + struct sas_task *task = isci_request_access_task(ireq); + struct host_to_dev_fis *fis = &ireq->stp.cmd; + struct ata_queued_cmd *qc = task->uldd_task; enum sci_status status; - struct host_to_dev_fis *register_fis; - dev_dbg(&request->isci_host->pdev->dev, - "%s: request = %p\n", + dev_dbg(&ireq->isci_host->pdev->dev, + "%s: ireq = %p\n", __func__, - request); - - /* Get the host_to_dev_fis from the core and copy - * the fis from the task into it. - */ - register_fis = isci_sata_task_to_fis_copy(task); + ireq); - status = sci_io_request_construct_basic_sata(request); + memcpy(fis, &task->ata_task.fis, sizeof(struct host_to_dev_fis)); + if (!task->ata_task.device_control_reg_update) + fis->flags |= 0x80; + fis->flags &= 0xF0; - /* Set the ncq tag in the fis, from the queue - * command in the task. - */ - if (isci_sata_is_task_ncq(task)) { + status = sci_io_request_construct_basic_sata(ireq); - isci_sata_set_ncq_tag( - register_fis, - task - ); + if (qc && (qc->tf.command == ATA_CMD_FPDMA_WRITE || + qc->tf.command == ATA_CMD_FPDMA_READ)) { + fis->sector_count = qc->tag << 3; + ireq->tc->type.stp.ncq_tag = qc->tag; } return status; -- cgit v1.2.3