diff options
Diffstat (limited to 'drivers/scsi/isci/core')
| -rw-r--r-- | drivers/scsi/isci/core/sci_util.c | 9 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/sci_util.h | 3 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_io_request.h | 33 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_controller.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_request.c | 53 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_request.h | 14 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_stp_request.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_task_request.h | 36 |
8 files changed, 26 insertions, 128 deletions
diff --git a/drivers/scsi/isci/core/sci_util.c b/drivers/scsi/isci/core/sci_util.c index 0c75d14240a1..4e60d55836e9 100644 --- a/drivers/scsi/isci/core/sci_util.c +++ b/drivers/scsi/isci/core/sci_util.c @@ -59,14 +59,14 @@ void *scic_request_get_virt_addr(struct scic_sds_request *sci_req, dma_addr_t phys_addr) { - struct isci_request *ireq = sci_req->ireq; + struct isci_request *ireq = sci_req_to_ireq(sci_req); dma_addr_t offset; BUG_ON(phys_addr < ireq->request_daddr); offset = phys_addr - ireq->request_daddr; - BUG_ON(offset >= ireq->request_alloc_size); + BUG_ON(offset >= sizeof(*ireq)); return (char *)ireq + offset; } @@ -74,14 +74,13 @@ void *scic_request_get_virt_addr(struct scic_sds_request *sci_req, dma_addr_t ph dma_addr_t scic_io_request_get_dma_addr(struct scic_sds_request *sds_request, void *virt_addr) { - struct isci_request *isci_request = sds_request->ireq; + struct isci_request *isci_request = sci_req_to_ireq(sds_request); char *requested_addr = (char *)virt_addr; char *base_addr = (char *)isci_request; BUG_ON(requested_addr < base_addr); - BUG_ON((requested_addr - base_addr) >= - isci_request->request_alloc_size); + BUG_ON((requested_addr - base_addr) >= sizeof(*isci_request)); return isci_request->request_daddr + (requested_addr - base_addr); } diff --git a/drivers/scsi/isci/core/sci_util.h b/drivers/scsi/isci/core/sci_util.h index 4e9c3189cf95..0f9dd0fe1266 100644 --- a/drivers/scsi/isci/core/sci_util.h +++ b/drivers/scsi/isci/core/sci_util.h @@ -66,9 +66,6 @@ | ((char_buffer)[3]) \ ) -#define SCI_FIELD_OFFSET(type, field) ((unsigned long)&(((type *)0)->field)) - - #define sci_cb_make_physical_address(physical_addr, addr_upper, addr_lower) \ ((physical_addr) = (addr_lower) | ((u64)addr_upper) << 32) diff --git a/drivers/scsi/isci/core/scic_io_request.h b/drivers/scsi/isci/core/scic_io_request.h index cb3667decb3c..f7c6d426f8c0 100644 --- a/drivers/scsi/isci/core/scic_io_request.h +++ b/drivers/scsi/isci/core/scic_io_request.h @@ -102,41 +102,10 @@ typedef enum { } SCIC_TRANSPORT_PROTOCOL; - -/** - * scic_io_request_construct() - This method is called by the SCI user to - * construct all SCI Core IO requests. Memory initialization and - * functionality common to all IO request types is performed in this method. - * @scic_controller: the handle to the core controller object for which to - * build an IO request. - * @scic_remote_device: the handle to the core remote device object for which - * to build an IO request. - * @io_tag: This parameter specifies the IO tag to be associated with this - * request. If SCI_CONTROLLER_INVALID_IO_TAG is passed, then a copy of the - * request is built internally. The request will be copied into the actual - * controller request memory when the IO tag is allocated internally during - * the scic_controller_start_io() method. - * @user_io_request_object: This parameter specifies the user IO request to be - * utilized during IO construction. This IO pointer will become the - * associated object for the core IO request object. - * @scic_io_request_memory: This parameter specifies the memory location to be - * utilized when building the core request. - * @new_scic_io_request_handle: This parameter specifies a pointer to the - * handle the core will expect in further interactions with the core IO - * request object. - * - * The SCI core implementation will create an association between the user IO - * request object and the core IO request object. Indicate if the controller - * successfully built the IO request. SCI_SUCCESS This value is returned if the - * IO request was successfully built. - */ enum sci_status scic_io_request_construct( struct scic_sds_controller *scic_controller, struct scic_sds_remote_device *scic_remote_device, - u16 io_tag, - void *user_io_request_object, - struct scic_sds_request *scic_io_request_memory, - struct scic_sds_request **new_scic_io_request_handle); + u16 io_tag, struct scic_sds_request *sci_req); /** * scic_io_request_construct_basic_ssp() - This method is called by the SCI diff --git a/drivers/scsi/isci/core/scic_sds_controller.c b/drivers/scsi/isci/core/scic_sds_controller.c index 4179bdf3eda7..852b7d52f84f 100644 --- a/drivers/scsi/isci/core/scic_sds_controller.c +++ b/drivers/scsi/isci/core/scic_sds_controller.c @@ -1572,7 +1572,7 @@ void scic_sds_controller_copy_task_context( memcpy(task_context_buffer, sci_req->task_context_buffer, - SCI_FIELD_OFFSET(struct scu_task_context, sgl_snapshot_ac)); + offsetof(struct scu_task_context, sgl_snapshot_ac)); /* * Now that the soft copy of the TC has been copied into the TC diff --git a/drivers/scsi/isci/core/scic_sds_request.c b/drivers/scsi/isci/core/scic_sds_request.c index 36c2b310c175..50dd19bba3db 100644 --- a/drivers/scsi/isci/core/scic_sds_request.c +++ b/drivers/scsi/isci/core/scic_sds_request.c @@ -117,7 +117,7 @@ static struct scu_sgl_element_pair *scic_sds_request_get_sgl_element_pair( */ void scic_sds_request_build_sgl(struct scic_sds_request *sds_request) { - struct isci_request *isci_request = sds_request->ireq; + struct isci_request *isci_request = sci_req_to_ireq(sds_request); struct isci_host *isci_host = isci_request->isci_host; struct sas_task *task = isci_request_access_task(isci_request); struct scatterlist *sg = NULL; @@ -190,7 +190,7 @@ static void scic_sds_ssp_io_request_assign_buffers(struct scic_sds_request *sci_ static void scic_sds_io_request_build_ssp_command_iu(struct scic_sds_request *sci_req) { struct ssp_cmd_iu *cmd_iu; - struct isci_request *ireq = sci_req->ireq; + struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); cmd_iu = &sci_req->ssp.cmd; @@ -211,7 +211,7 @@ static void scic_sds_io_request_build_ssp_command_iu(struct scic_sds_request *sc static void scic_sds_task_request_build_ssp_task_iu(struct scic_sds_request *sci_req) { struct ssp_task_iu *task_iu; - struct isci_request *ireq = sci_req->ireq; + struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); struct isci_tmf *isci_tmf = isci_request_access_tmf(ireq); @@ -429,7 +429,7 @@ scic_io_request_construct_sata(struct scic_sds_request *sci_req, bool copy) { enum sci_status status = SCI_SUCCESS; - struct isci_request *ireq = sci_req->ireq; + struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); /* check for management protocols */ @@ -478,7 +478,7 @@ scic_io_request_construct_sata(struct scic_sds_request *sci_req, enum sci_status scic_io_request_construct_basic_ssp( struct scic_sds_request *sci_req) { - struct isci_request *ireq = sci_req->ireq; + struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); sci_req->protocol = SCIC_SSP_PROTOCOL; @@ -519,7 +519,7 @@ enum sci_status scic_io_request_construct_basic_sata( enum sci_status status; struct scic_sds_stp_request *stp_req; bool copy = false; - struct isci_request *isci_request = sci_req->ireq; + struct isci_request *isci_request = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(isci_request); stp_req = &sci_req->stp.req; @@ -540,11 +540,10 @@ enum sci_status scic_io_request_construct_basic_sata( } -enum sci_status scic_task_request_construct_sata( - struct scic_sds_request *sci_req) +enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_req) { enum sci_status status = SCI_SUCCESS; - struct isci_request *ireq = sci_req->ireq; + struct isci_request *ireq = sci_req_to_ireq(sci_req); /* check for management protocols */ if (ireq->ttype == tmf_task) { @@ -740,7 +739,7 @@ void scic_sds_io_request_copy_response(struct scic_sds_request *sci_req) void *resp_buf; u32 len; struct ssp_response_iu *ssp_response; - struct isci_request *ireq = sci_req->ireq; + struct isci_request *ireq = sci_req_to_ireq(sci_req); struct isci_tmf *isci_tmf = isci_request_access_tmf(ireq); ssp_response = &sci_req->ssp.rsp; @@ -1342,7 +1341,7 @@ static void scic_sds_request_completed_state_enter(void *object) struct scic_sds_controller *scic = scic_sds_request_get_controller(sci_req); struct isci_host *ihost = scic_to_ihost(scic); - struct isci_request *ireq = sci_req->ireq; + struct isci_request *ireq = sci_req_to_ireq(sci_req); SET_STATE_HANDLER(sci_req, scic_sds_request_state_handler_table, @@ -1424,16 +1423,13 @@ static const struct sci_base_state scic_sds_request_state_table[] = { static void scic_sds_general_request_construct(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, - u16 io_tag, - void *user_io_request_object, - struct scic_sds_request *sci_req) + u16 io_tag, struct scic_sds_request *sci_req) { sci_base_state_machine_construct(&sci_req->state_machine, sci_req, scic_sds_request_state_table, SCI_BASE_REQUEST_STATE_INITIAL); sci_base_state_machine_start(&sci_req->state_machine); sci_req->io_tag = io_tag; - sci_req->user_request = user_io_request_object; sci_req->owning_controller = scic; sci_req->target_device = sci_dev; sci_req->has_started_substate_machine = false; @@ -1461,20 +1457,13 @@ static void scic_sds_general_request_construct(struct scic_sds_controller *scic, enum sci_status scic_io_request_construct(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, - u16 io_tag, - void *user_req, - struct scic_sds_request *sci_req, - struct scic_sds_request **new_sci_req) + u16 io_tag, struct scic_sds_request *sci_req) { struct domain_device *dev = sci_dev_to_domain(sci_dev); enum sci_status status = SCI_SUCCESS; /* Build the common part of the request */ - scic_sds_general_request_construct(scic, - sci_dev, - io_tag, - user_req, - sci_req); + scic_sds_general_request_construct(scic, sci_dev, io_tag, sci_req); if (sci_dev->rnc.remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) @@ -1493,10 +1482,8 @@ scic_io_request_construct(struct scic_sds_controller *scic, status = SCI_FAILURE_UNSUPPORTED_PROTOCOL; if (status == SCI_SUCCESS) { - memset(sci_req->task_context_buffer, - 0, - SCI_FIELD_OFFSET(struct scu_task_context, sgl_pair_ab)); - *new_sci_req = sci_req; + memset(sci_req->task_context_buffer, 0, + offsetof(struct scu_task_context, sgl_pair_ab)); } return status; @@ -1504,18 +1491,13 @@ scic_io_request_construct(struct scic_sds_controller *scic, enum sci_status scic_task_request_construct(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, - u16 io_tag, - void *user_io_request_object, - struct scic_sds_request *sci_req, - struct scic_sds_request **new_sci_req) + u16 io_tag, struct scic_sds_request *sci_req) { struct domain_device *dev = sci_dev_to_domain(sci_dev); enum sci_status status = SCI_SUCCESS; /* Build the common part of the request */ - scic_sds_general_request_construct(scic, sci_dev, io_tag, - user_io_request_object, - sci_req); + scic_sds_general_request_construct(scic, sci_dev, io_tag, sci_req); if (dev->dev_type == SAS_END_DEV) { scic_sds_ssp_task_request_assign_buffers(sci_req); @@ -1537,7 +1519,6 @@ enum sci_status scic_task_request_construct(struct scic_sds_controller *scic, if (status == SCI_SUCCESS) { sci_req->is_task_management_request = true; memset(sci_req->task_context_buffer, 0, sizeof(struct scu_task_context)); - *new_sci_req = sci_req; } return status; diff --git a/drivers/scsi/isci/core/scic_sds_request.h b/drivers/scsi/isci/core/scic_sds_request.h index 3f551eaf3dfa..1dd98aabe32d 100644 --- a/drivers/scsi/isci/core/scic_sds_request.h +++ b/drivers/scsi/isci/core/scic_sds_request.h @@ -113,26 +113,12 @@ enum scic_sds_smp_request_started_substates { SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_TC_COMPLETION, }; -struct isci_request; -/** - * struct scic_sds_request - This structure contains or references all of - * the data necessary to process a task management or normal IO request. - * - * - */ struct scic_sds_request { /** - * The field specifies that the peer object for the request object. - */ - struct isci_request *ireq; - - /** * This field contains the information for the base request state machine. */ struct sci_base_state_machine state_machine; - void *user_request; - /** * This field simply points to the controller to which this IO request * is associated. diff --git a/drivers/scsi/isci/core/scic_sds_stp_request.c b/drivers/scsi/isci/core/scic_sds_stp_request.c index c7a8931a3bcb..2677393db6f4 100644 --- a/drivers/scsi/isci/core/scic_sds_stp_request.c +++ b/drivers/scsi/isci/core/scic_sds_stp_request.c @@ -627,7 +627,7 @@ scic_sds_stp_request_pio_data_in_copy_data_buffer(struct scic_sds_stp_request *s int total_len = len; sci_req = to_sci_req(stp_req); - ireq = scic_sds_request_get_user_request(sci_req); + ireq = sci_req_to_ireq(sci_req); task = isci_request_access_task(ireq); src_addr = data_buf; @@ -737,7 +737,7 @@ static enum sci_status scic_sds_stp_request_pio_await_frame_frame_handler(struct { struct scic_sds_controller *scic = sci_req->owning_controller; struct scic_sds_stp_request *stp_req = &sci_req->stp.req; - struct isci_request *ireq = sci_req->ireq; + struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); struct dev_to_host_fis *frame_header; enum sci_status status; diff --git a/drivers/scsi/isci/core/scic_task_request.h b/drivers/scsi/isci/core/scic_task_request.h index 7e6d20aa0f02..98cfaa9e6d38 100644 --- a/drivers/scsi/isci/core/scic_task_request.h +++ b/drivers/scsi/isci/core/scic_task_request.h @@ -72,44 +72,10 @@ struct scic_sds_remote_device; struct scic_sds_controller; -/** - * scic_task_request_construct() - This method is called by the SCI user to - * construct all SCI Core task management requests, regardless of protocol. - * Memory initialization and functionality common to all task request types - * is performed in this method. - * @scic_controller: the handle to the core controller object for which to - * build the task managmement request. - * @scic_remote_device: the handle to the core remote device object for which - * to build the task management request. passed, then a copy of the request - * is built internally. The request will be copied into the actual - * controller request memory when the task is allocated internally during - * the scic_controller_start_task() method. - * @io_tag: This parameter specifies the IO tag to be associated with this - * request. If SCI_CONTROLLER_INVALID_IO_TAG is passed, then a copy of the - * request is built internally. The request will be copied into the actual - * controller request memory when the IO tag is allocated internally during - * the scic_controller_start_io() method. - * @user_task_request_object: This parameter specifies the user task request to - * be utilized during construction. This task pointer will become the - * associated object for the core task request object. - * @scic_task_request_memory: This parameter specifies the memory location to - * be utilized when building the core request. - * @new_scic_task_request_handle: This parameter specifies a pointer to the - * handle the core will expect in further interactions with the core task - * request object. - * - * The SCI core implementation will create an association between the user task - * request object and the core task request object. Indicate if the controller - * successfully built the task request. SCI_SUCCESS This value is returned if - * the task request was successfully built. - */ enum sci_status scic_task_request_construct( struct scic_sds_controller *scic_controller, struct scic_sds_remote_device *scic_remote_device, - u16 io_tag, - void *user_task_request_object, - void *scic_task_request_memory, - struct scic_sds_request **new_scic_task_request_handle); + u16 io_tag, struct scic_sds_request *sci_req); /** * scic_task_request_construct_ssp() - This method is called by the SCI user to |