diff options
| -rw-r--r-- | drivers/scsi/isci/core/sci_types.h | 7 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_request.c | 88 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_stp_request.c | 62 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_stp_request.h | 5 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_user_callback.h | 5 | ||||
| -rw-r--r-- | drivers/scsi/isci/deprecated.c | 10 | ||||
| -rw-r--r-- | drivers/scsi/isci/request.c | 36 | ||||
| -rw-r--r-- | drivers/scsi/isci/request.h | 3 |
8 files changed, 73 insertions, 143 deletions
diff --git a/drivers/scsi/isci/core/sci_types.h b/drivers/scsi/isci/core/sci_types.h index e15dc0c89e5c..fda3680546e3 100644 --- a/drivers/scsi/isci/core/sci_types.h +++ b/drivers/scsi/isci/core/sci_types.h @@ -61,13 +61,6 @@ #define sci_cb_make_physical_address(physical_addr, addr_upper, addr_lower) \ ((physical_addr) = (addr_lower) | ((u64)addr_upper) << 32) -typedef enum { - SCI_IO_REQUEST_DATA_IN = 0, /* Read operation */ - SCI_IO_REQUEST_DATA_OUT, /* Write operation */ - SCI_IO_REQUEST_NO_DATA -} SCI_IO_REQUEST_DATA_DIRECTION; - - enum sci_controller_mode { SCI_MODE_SPEED, /* Optimized for performance */ SCI_MODE_SIZE /* Optimized for memory use */ diff --git a/drivers/scsi/isci/core/scic_sds_request.c b/drivers/scsi/isci/core/scic_sds_request.c index c696d246ea5a..7c5b61bdee67 100644 --- a/drivers/scsi/isci/core/scic_sds_request.c +++ b/drivers/scsi/isci/core/scic_sds_request.c @@ -588,34 +588,34 @@ static void scu_ssp_reqeust_construct_task_context( * */ static void scu_ssp_io_request_construct_task_context( - struct scic_sds_request *this_request, - SCI_IO_REQUEST_DATA_DIRECTION data_direction, - u32 transfer_length_bytes) + struct scic_sds_request *sci_req, + enum dma_data_direction dir, + u32 len) { struct scu_task_context *task_context; - task_context = scic_sds_request_get_task_context(this_request); + task_context = scic_sds_request_get_task_context(sci_req); - scu_ssp_reqeust_construct_task_context(this_request, task_context); + scu_ssp_reqeust_construct_task_context(sci_req, task_context); task_context->ssp_command_iu_length = sizeof(struct sci_ssp_command_iu) / sizeof(u32); task_context->type.ssp.frame_type = SCI_SAS_COMMAND_FRAME; - switch (data_direction) { - case SCI_IO_REQUEST_DATA_IN: - case SCI_IO_REQUEST_NO_DATA: + switch (dir) { + case DMA_FROM_DEVICE: + case DMA_NONE: + default: task_context->task_type = SCU_TASK_TYPE_IOREAD; break; - case SCI_IO_REQUEST_DATA_OUT: + case DMA_TO_DEVICE: task_context->task_type = SCU_TASK_TYPE_IOWRITE; break; } - task_context->transfer_length_bytes = transfer_length_bytes; + task_context->transfer_length_bytes = len; - if (task_context->transfer_length_bytes > 0) { - scic_sds_request_build_sgl(this_request); - } + if (task_context->transfer_length_bytes > 0) + scic_sds_request_build_sgl(sci_req); } @@ -694,37 +694,35 @@ static void scu_ssp_task_request_construct_task_context( * * enum sci_status */ -static enum sci_status scic_io_request_construct_sata( - struct scic_sds_request *this_request, - u8 sat_protocol, - u32 transfer_length, - SCI_IO_REQUEST_DATA_DIRECTION data_direction, - bool copy_rx_frame) +static enum sci_status scic_io_request_construct_sata(struct scic_sds_request *sci_req, + u8 proto, u32 len, + enum dma_data_direction dir, + bool copy) { enum sci_status status = SCI_SUCCESS; - switch (sat_protocol) { + switch (proto) { case SAT_PROTOCOL_PIO_DATA_IN: case SAT_PROTOCOL_PIO_DATA_OUT: - status = scic_sds_stp_pio_request_construct(this_request, sat_protocol, copy_rx_frame); + status = scic_sds_stp_pio_request_construct(sci_req, proto, copy); break; case SAT_PROTOCOL_UDMA_DATA_IN: case SAT_PROTOCOL_UDMA_DATA_OUT: - status = scic_sds_stp_udma_request_construct(this_request, transfer_length, data_direction); + status = scic_sds_stp_udma_request_construct(sci_req, len, dir); break; case SAT_PROTOCOL_ATA_HARD_RESET: case SAT_PROTOCOL_SOFT_RESET: - status = scic_sds_stp_soft_reset_request_construct(this_request); + status = scic_sds_stp_soft_reset_request_construct(sci_req); break; case SAT_PROTOCOL_NON_DATA: - status = scic_sds_stp_non_data_request_construct(this_request); + status = scic_sds_stp_non_data_request_construct(sci_req); break; case SAT_PROTOCOL_FPDMA: - status = scic_sds_stp_ncq_request_construct(this_request, transfer_length, data_direction); + status = scic_sds_stp_ncq_request_construct(sci_req, len, dir); break; #if !defined(DISABLE_ATAPI) @@ -733,7 +731,7 @@ static enum sci_status scic_io_request_construct_sata( case SAT_PROTOCOL_PACKET_DMA_DATA_OUT: case SAT_PROTOCOL_PACKET_PIO_DATA_IN: case SAT_PROTOCOL_PACKET_PIO_DATA_OUT: - status = scic_sds_stp_packet_request_construct(this_request); + status = scic_sds_stp_packet_request_construct(sci_req); break; #endif @@ -743,10 +741,10 @@ static enum sci_status scic_io_request_construct_sata( case SAT_PROTOCOL_DEVICE_RESET: case SAT_PROTOCOL_RETURN_RESPONSE_INFO: default: - dev_err(scic_to_dev(this_request->owning_controller), + dev_err(scic_to_dev(sci_req->owning_controller), "%s: SCIC IO Request 0x%p received un-handled " "SAT Protocl %d.\n", - __func__, this_request, sat_protocol); + __func__, sci_req, proto); status = SCI_FAILURE; break; @@ -945,35 +943,25 @@ enum sci_status scic_task_request_construct_ssp( } -enum sci_status scic_io_request_construct_basic_sata( - struct scic_sds_request *sci_req) +enum sci_status scic_io_request_construct_basic_sata(struct scic_sds_request *sci_req) { enum sci_status status; - struct scic_sds_stp_request *this_stp_request; - u8 sat_protocol; - u32 transfer_length; - SCI_IO_REQUEST_DATA_DIRECTION data_direction; - bool copy_rx_frame = false; + struct scic_sds_stp_request *stp_req; + u8 proto; + u32 len; + enum dma_data_direction dir; + bool copy = false; - this_stp_request = (struct scic_sds_stp_request *)sci_req; + stp_req = container_of(sci_req, typeof(*stp_req), parent); sci_req->protocol = SCIC_STP_PROTOCOL; - transfer_length = - scic_cb_io_request_get_transfer_length(sci_req->user_request); - data_direction = - scic_cb_io_request_get_data_direction(sci_req->user_request); + len = scic_cb_io_request_get_transfer_length(sci_req->user_request); + dir = scic_cb_io_request_get_data_direction(sci_req->user_request); + proto = scic_cb_request_get_sat_protocol(sci_req->user_request); + copy = scic_cb_io_request_do_copy_rx_frames(stp_req->parent.user_request); - sat_protocol = scic_cb_request_get_sat_protocol(sci_req->user_request); - copy_rx_frame = scic_cb_io_request_do_copy_rx_frames(this_stp_request->parent.user_request); - - status = scic_io_request_construct_sata( - sci_req, - sat_protocol, - transfer_length, - data_direction, - copy_rx_frame - ); + status = scic_io_request_construct_sata(sci_req, proto, len, dir, copy); if (status == SCI_SUCCESS) sci_base_state_machine_change_state( diff --git a/drivers/scsi/isci/core/scic_sds_stp_request.c b/drivers/scsi/isci/core/scic_sds_stp_request.c index c14f6f10edb1..49c494c097cb 100644 --- a/drivers/scsi/isci/core/scic_sds_stp_request.c +++ b/drivers/scsi/isci/core/scic_sds_stp_request.c @@ -288,7 +288,7 @@ void scic_sds_stp_non_ncq_request_construct( /** * - * @this_request: This parameter specifies the request to be constructed as an + * @sci_req: This parameter specifies the request to be constructed as an * optimized request. * @optimized_task_type: This parameter specifies whether the request is to be * an UDMA request or a NCQ request. - A value of 0 indicates UDMA. - A @@ -298,24 +298,23 @@ void scic_sds_stp_non_ncq_request_construct( * requests that are optimized by the silicon (i.e. UDMA, NCQ). This method * returns an indication as to whether the construction was successful. */ -static void scic_sds_stp_optimized_request_construct( - struct scic_sds_request *this_request, - u8 optimized_task_type, - u32 transfer_length, - SCI_IO_REQUEST_DATA_DIRECTION data_direction) +static void scic_sds_stp_optimized_request_construct(struct scic_sds_request *sci_req, + u8 optimized_task_type, + u32 len, + enum dma_data_direction dir) { - struct scu_task_context *task_context = this_request->task_context_buffer; + struct scu_task_context *task_context = sci_req->task_context_buffer; /* Build the STP task context structure */ - scu_sata_reqeust_construct_task_context(this_request, task_context); + scu_sata_reqeust_construct_task_context(sci_req, task_context); /* Copy over the SGL elements */ - scic_sds_request_build_sgl(this_request); + scic_sds_request_build_sgl(sci_req); /* Copy over the number of bytes to be transfered */ - task_context->transfer_length_bytes = transfer_length; + task_context->transfer_length_bytes = len; - if (data_direction == SCI_IO_REQUEST_DATA_OUT) { + if (dir == DMA_TO_DEVICE) { /* * The difference between the DMA IN and DMA OUT request task type * values are consistent with the difference between FPDMA READ @@ -334,29 +333,24 @@ static void scic_sds_stp_optimized_request_construct( /** * - * @this_request: This parameter specifies the request to be constructed. + * @sci_req: This parameter specifies the request to be constructed. * * This method will construct the STP UDMA request and its associated TC data. * This method returns an indication as to whether the construction was * successful. SCI_SUCCESS Currently this method always returns this value. */ -enum sci_status scic_sds_stp_udma_request_construct( - struct scic_sds_request *this_request, - u32 transfer_length, - SCI_IO_REQUEST_DATA_DIRECTION data_direction) +enum sci_status scic_sds_stp_udma_request_construct(struct scic_sds_request *sci_req, + u32 len, + enum dma_data_direction dir) { - scic_sds_stp_non_ncq_request_construct(this_request); + scic_sds_stp_non_ncq_request_construct(sci_req); - scic_sds_stp_optimized_request_construct( - this_request, - SCU_TASK_TYPE_DMA_IN, - transfer_length, - data_direction - ); + scic_sds_stp_optimized_request_construct(sci_req, SCU_TASK_TYPE_DMA_IN, + len, dir); sci_base_state_machine_construct( - &this_request->started_substate_machine, - &this_request->parent.parent, + &sci_req->started_substate_machine, + &sci_req->parent.parent, scic_sds_stp_request_started_udma_substate_table, SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE ); @@ -366,23 +360,19 @@ enum sci_status scic_sds_stp_udma_request_construct( /** * - * @this_request: This parameter specifies the request to be constructed. + * @sci_req: This parameter specifies the request to be constructed. * * This method will construct the STP UDMA request and its associated TC data. * This method returns an indication as to whether the construction was * successful. SCI_SUCCESS Currently this method always returns this value. */ -enum sci_status scic_sds_stp_ncq_request_construct( - struct scic_sds_request *this_request, - u32 transfer_length, - SCI_IO_REQUEST_DATA_DIRECTION data_direction) +enum sci_status scic_sds_stp_ncq_request_construct(struct scic_sds_request *sci_req, + u32 len, + enum dma_data_direction dir) { - scic_sds_stp_optimized_request_construct( - this_request, - SCU_TASK_TYPE_FPDMAQ_READ, - transfer_length, - data_direction - ); + scic_sds_stp_optimized_request_construct(sci_req, + SCU_TASK_TYPE_FPDMAQ_READ, + len, dir); return SCI_SUCCESS; } diff --git a/drivers/scsi/isci/core/scic_sds_stp_request.h b/drivers/scsi/isci/core/scic_sds_stp_request.h index 5578d2baf7ca..0a12ff6417cc 100644 --- a/drivers/scsi/isci/core/scic_sds_stp_request.h +++ b/drivers/scsi/isci/core/scic_sds_stp_request.h @@ -56,6 +56,7 @@ #ifndef _SCIC_SDS_STP_REQUEST_T_ #define _SCIC_SDS_STP_REQUEST_T_ +#include <linux/dma-mapping.h> #include "intel_sata.h" #include "sci_types.h" #include "scic_sds_request.h" @@ -201,7 +202,7 @@ enum sci_status scic_sds_stp_pio_request_construct_pass_through( enum sci_status scic_sds_stp_udma_request_construct( struct scic_sds_request *this_request, u32 transfer_length, - SCI_IO_REQUEST_DATA_DIRECTION data_direction); + enum dma_data_direction dir); enum sci_status scic_sds_stp_non_data_request_construct( struct scic_sds_request *this_request); @@ -212,7 +213,7 @@ enum sci_status scic_sds_stp_soft_reset_request_construct( enum sci_status scic_sds_stp_ncq_request_construct( struct scic_sds_request *this_request, u32 transfer_length, - SCI_IO_REQUEST_DATA_DIRECTION data_direction); + enum dma_data_direction dir); void scu_stp_raw_request_construct_task_context( struct scic_sds_stp_request *this_request, diff --git a/drivers/scsi/isci/core/scic_user_callback.h b/drivers/scsi/isci/core/scic_user_callback.h index 4aa020e2f079..4df7106f61aa 100644 --- a/drivers/scsi/isci/core/scic_user_callback.h +++ b/drivers/scsi/isci/core/scic_user_callback.h @@ -246,11 +246,8 @@ u32 scic_cb_io_request_get_transfer_length( * object. It is a cookie that allows the user to provide the necessary * information for this callback. * - * This method returns the value of SCI_IO_REQUEST_DATA_OUT or - * SCI_IO_REQUEST_DATA_IN, or SCI_IO_REQUEST_NO_DATA. */ -SCI_IO_REQUEST_DATA_DIRECTION scic_cb_io_request_get_data_direction( - void *scic_user_io_request); +enum dma_data_direction scic_cb_io_request_get_data_direction(void *req); #ifndef SCI_SGL_OPTIMIZATION_ENABLED /** diff --git a/drivers/scsi/isci/deprecated.c b/drivers/scsi/isci/deprecated.c index 847e6874e1a8..0ee6679b8107 100644 --- a/drivers/scsi/isci/deprecated.c +++ b/drivers/scsi/isci/deprecated.c @@ -139,16 +139,10 @@ u32 scic_cb_io_request_get_transfer_length( * @scic_user_io_request: This parameter points to the user's IO request * object. It is a cookie that allows the user to provide the necessary * information for this callback. - * - * This method returns the value of SCI_IO_REQUEST_DATA_OUT or - * SCI_IO_REQUEST_DATA_IN, or SCI_IO_REQUEST_NO_DATA. */ -SCI_IO_REQUEST_DATA_DIRECTION scic_cb_io_request_get_data_direction( - void *scic_user_io_request) +enum dma_data_direction scic_cb_io_request_get_data_direction(void *req) { - return isci_request_io_request_get_data_direction( - scic_user_io_request - ); + return isci_request_io_request_get_data_direction(req); } diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index e564121b6726..f7ba047d64ce 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -1237,44 +1237,12 @@ u32 isci_request_io_request_get_transfer_length(struct isci_request *request) * * data direction for specified request. */ -SCI_IO_REQUEST_DATA_DIRECTION isci_request_io_request_get_data_direction( +enum dma_data_direction isci_request_io_request_get_data_direction( struct isci_request *request) { struct sas_task *task = isci_request_access_task(request); - SCI_IO_REQUEST_DATA_DIRECTION ret; - switch (task->data_dir) { - - case DMA_FROM_DEVICE: - ret = SCI_IO_REQUEST_DATA_IN; - dev_dbg(&request->isci_host->pdev->dev, - "%s: request=%p, FROM_DEVICE\n", - __func__, - request); - break; - - case DMA_TO_DEVICE: - ret = SCI_IO_REQUEST_DATA_OUT; - dev_dbg(&request->isci_host->pdev->dev, - "%s: request=%p, TO_DEVICE\n", - __func__, - request); - break; - - case DMA_BIDIRECTIONAL: - case DMA_NONE: - default: - ret = SCI_IO_REQUEST_NO_DATA; - dev_dbg(&request->isci_host->pdev->dev, - "%s: request=%p, unhandled direction case, " - "data_dir=%d\n", - __func__, - request, - task->data_dir); - break; - - } - return ret; + return task->data_dir; } /** diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h index 5079d4a7c41b..166295ee8cfd 100644 --- a/drivers/scsi/isci/request.h +++ b/drivers/scsi/isci/request.h @@ -346,8 +346,7 @@ void isci_request_io_request_complete( u32 isci_request_io_request_get_transfer_length( struct isci_request *request); -SCI_IO_REQUEST_DATA_DIRECTION isci_request_io_request_get_data_direction( - struct isci_request *request); +enum dma_data_direction isci_request_io_request_get_data_direction(struct isci_request *req); /** * isci_request_io_request_get_next_sge() - This function is called by the sci |