diff options
Diffstat (limited to 'drivers/scsi/isci/core/scic_sds_smp_request.c')
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_smp_request.c | 119 |
1 files changed, 59 insertions, 60 deletions
diff --git a/drivers/scsi/isci/core/scic_sds_smp_request.c b/drivers/scsi/isci/core/scic_sds_smp_request.c index 949d23e..85c8906 100644 --- a/drivers/scsi/isci/core/scic_sds_smp_request.c +++ b/drivers/scsi/isci/core/scic_sds_smp_request.c @@ -234,37 +234,36 @@ enum sci_status scic_io_request_construct_smp( * */ static void scu_smp_request_construct_task_context( - struct scic_sds_request *this_request, + struct scic_sds_request *sds_request, struct smp_request *smp_request) { - dma_addr_t physical_address; - struct scic_sds_controller *owning_controller; + dma_addr_t dma_addr; + struct scic_sds_controller *controller; struct scic_sds_remote_device *target_device; struct scic_sds_port *target_port; struct scu_task_context *task_context; /* byte swap the smp request. */ - scic_word_copy_with_swap( - this_request->command_buffer, - (u32 *)smp_request, - sizeof(struct smp_request) / sizeof(u32) - ); + scic_word_copy_with_swap(sds_request->command_buffer, + (u32 *)smp_request, + sizeof(struct smp_request) / sizeof(u32)); - task_context = scic_sds_request_get_task_context(this_request); + task_context = scic_sds_request_get_task_context(sds_request); - owning_controller = scic_sds_request_get_controller(this_request); - target_device = scic_sds_request_get_device(this_request); - target_port = scic_sds_request_get_port(this_request); + controller = scic_sds_request_get_controller(sds_request); + target_device = scic_sds_request_get_device(sds_request); + target_port = scic_sds_request_get_port(sds_request); /* * Fill in the TC with the its required data - * 00h */ + * 00h + */ task_context->priority = 0; task_context->initiator_request = 1; task_context->connection_rate = scic_remote_device_get_connection_rate(target_device); task_context->protocol_engine_index = - scic_sds_controller_get_protocol_engine_group(owning_controller); + scic_sds_controller_get_protocol_engine_group(controller); task_context->logical_port_index = scic_sds_port_get_index(target_port); task_context->protocol_type = SCU_TASK_CONTEXT_PROTOCOL_SMP; @@ -273,7 +272,8 @@ static void scu_smp_request_construct_task_context( task_context->context_type = SCU_TASK_CONTEXT_TYPE; /* 04h */ - task_context->remote_node_index = this_request->target_device->rnc->remote_node_index; + task_context->remote_node_index = + sds_request->target_device->rnc->remote_node_index; task_context->command_code = 0; task_context->task_type = SCU_TASK_TYPE_SMP_REQUEST; @@ -289,7 +289,8 @@ static void scu_smp_request_construct_task_context( task_context->address_modifier = 0; /* 10h */ - task_context->ssp_command_iu_length = smp_request->header.request_length; + task_context->ssp_command_iu_length = + smp_request->header.request_length; /* 14h */ task_context->transfer_length_bytes = 0; @@ -298,59 +299,57 @@ static void scu_smp_request_construct_task_context( * 18h ~ 30h, protocol specific * since commandIU has been build by framework at this point, we just * copy the frist DWord from command IU to this location. */ - memcpy((void *)(&task_context->type.smp), this_request->command_buffer, sizeof(u32)); + memcpy((void *)(&task_context->type.smp), + sds_request->command_buffer, + sizeof(u32)); /* * 40h - * "For SMP you could program it to zero. We would prefer that way so that - * done code will be consistent." - Venki */ + * "For SMP you could program it to zero. We would prefer that way + * so that done code will be consistent." - Venki + */ task_context->task_phase = 0; - if (this_request->was_tag_assigned_by_user) { - /* Build the task context now since we have already read the data */ - this_request->post_context = ( - SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC - | ( - scic_sds_controller_get_protocol_engine_group(owning_controller) - << SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT - ) - | ( - scic_sds_port_get_index(target_port) - << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT - ) - | scic_sds_io_tag_get_index(this_request->io_tag) - ); + if (sds_request->was_tag_assigned_by_user) { + /* + * Build the task context now since we have already read + * the data + */ + sds_request->post_context = + (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | + (scic_sds_controller_get_protocol_engine_group( + controller) << + SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) | + (scic_sds_port_get_index(target_port) << + SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT) | + scic_sds_io_tag_get_index(sds_request->io_tag)); } else { - /* Build the task context now since we have already read the data */ - this_request->post_context = ( - SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC - | ( - scic_sds_controller_get_protocol_engine_group(owning_controller) - << SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT - ) - | ( - scic_sds_port_get_index(target_port) - << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT - ) - /* This is not assigned because we have to wait until we get a TCi */ - ); + /* + * Build the task context now since we have already read + * the data. + * I/O tag index is not assigned because we have to wait + * until we get a TCi. + */ + sds_request->post_context = + (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | + (scic_sds_controller_get_protocol_engine_group( + controller) << + SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) | + (scic_sds_port_get_index(target_port) << + SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT)); } /* - * Copy the physical address for the command buffer to the SCU Task Context - * command buffer should not contain command header. */ - scic_cb_io_request_get_physical_address( - scic_sds_request_get_controller(this_request), - this_request, - ((char *)(this_request->command_buffer) + sizeof(u32)), - &physical_address - ); - - task_context->command_iu_upper = - upper_32_bits(physical_address); - task_context->command_iu_lower = - lower_32_bits(physical_address); - + * Copy the physical address for the command buffer to the SCU Task + * Context command buffer should not contain command header. + */ + dma_addr = scic_io_request_get_dma_addr(sds_request, + (char *) + (sds_request->command_buffer) + + sizeof(u32)); + + task_context->command_iu_upper = upper_32_bits(dma_addr); + task_context->command_iu_lower = lower_32_bits(dma_addr); /* SMP response comes as UF, so no need to set response IU address. */ task_context->response_iu_upper = 0; |
