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54 #ifndef _SCIF_SAS_SATI_BINDING_H_
55 #define _SCIF_SAS_SATI_BINDING_H_
60 * @brief This file contains the SATI (SCSI to ATA Translation Implementation)
61 * callback implementations that can be implemented by the SCI
62 * Framework (or core in some cases).
69 #include <dev/isci/scil/scif_user_callback.h>
70 #include <dev/isci/scil/scif_io_request.h>
71 #include <dev/isci/scil/scif_remote_device.h>
72 #include <dev/isci/scil/scic_user_callback.h>
73 #include <dev/isci/scil/scic_io_request.h>
74 #include <dev/isci/scil/scic_remote_device.h>
75 //#include <dev/isci/scil/scic_sds_request.h>
76 //#include <dev/isci/scil/scu_task_context.h>
77 #include <dev/isci/scil/sci_object.h>
78 #include <dev/isci/scil/scif_sas_request.h>
79 #include <dev/isci/scil/sci_base_memory_descriptor_list.h>
80 #include <dev/isci/scil/scif_sas_stp_remote_device.h>
81 #include <dev/isci/scil/scif_sas_remote_device.h>
82 #include <dev/isci/scil/scif_sas_domain.h>
83 #include <dev/isci/scil/scif_sas_controller.h>
84 #include <dev/isci/scil/scic_sds_request.h>
85 #include <dev/isci/sci_environment.h>
87 // SATI callbacks fulfilled by the framework user.
89 #define sati_cb_get_data_byte(scsi_io, byte_offset, value) \
91 U8 * virtual_address = scif_cb_io_request_get_virtual_address_from_sgl( \
92 sci_object_get_association(scsi_io),(byte_offset)\
94 *(value) = *(virtual_address); \
97 #define sati_cb_set_data_byte(scsi_io, byte_offset, value) \
99 U8 * virtual_address = scif_cb_io_request_get_virtual_address_from_sgl( \
100 sci_object_get_association(scsi_io),(byte_offset)\
102 *(virtual_address) = value; \
105 #define sati_cb_get_cdb_address(scsi_io) \
106 scif_cb_io_request_get_cdb_address(sci_object_get_association(scsi_io))
108 #define sati_cb_get_cdb_length(scsi_io) \
109 scif_cb_io_request_get_cdb_length(sci_object_get_association(scsi_io))
111 #define sati_cb_get_data_direction(scsi_io, sati_data_direction) \
113 SCI_IO_REQUEST_DATA_DIRECTION sci_data_direction = \
114 scif_cb_io_request_get_data_direction( \
115 sci_object_get_association(scsi_io) \
117 if (sci_data_direction == SCI_IO_REQUEST_DATA_IN) \
118 *(sati_data_direction) = SATI_DATA_DIRECTION_IN; \
119 else if (sci_data_direction == SCI_IO_REQUEST_DATA_OUT) \
120 *(sati_data_direction) = SATI_DATA_DIRECTION_OUT; \
121 else if (sci_data_direction == SCI_IO_REQUEST_NO_DATA) \
122 *(sati_data_direction) = SATI_DATA_DIRECTION_NONE; \
125 #define sati_cb_get_lun(scsi_io) \
126 scif_cb_io_request_get_lun(sci_object_get_association(scsi_io))
128 // SATI callbacks fulfilled by the framework.
131 * This method implements the functionality necessary to fulfill the
132 * SCSI-to-ATA Translation requirements. It ensures that the SAS
133 * address for the remote device associated with the supplied IO
134 * is written into the sas_address parameter.
135 * For more information on the parameters utilized in this method,
136 * please refer to sati_cb_device_get_sas_address().
138 #define sati_cb_device_get_sas_address(scsi_io, sas_address) \
140 SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
141 SCI_REMOTE_DEVICE_HANDLE_T scic_device \
142 = scif_remote_device_get_scic_handle(fw_request->device); \
143 scic_remote_device_get_sas_address(scic_device, sas_address); \
146 #define sati_cb_device_get_request_by_ncq_tag(scsi_io, ncq_tag, matching_req) \
148 SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
149 SCIF_SAS_REMOTE_DEVICE_T* fw_device = fw_request->device; \
150 matching_req = scif_sas_stp_remote_device_get_request_by_ncq_tag(fw_device, ncq_tag); \
153 #define sati_cb_io_request_complete(scsi_io, completion_status) \
155 SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
156 SCIF_SAS_REMOTE_DEVICE_T* fw_device = fw_request->device; \
157 SCIF_SAS_DOMAIN_T* fw_domain = fw_device->domain; \
158 SCIF_SAS_CONTROLLER_T* fw_controller = fw_domain->controller; \
159 scif_cb_io_request_complete( \
160 fw_controller, fw_device, fw_request, completion_status \
164 #define sati_cb_get_response_iu_address scif_io_request_get_response_iu_address
165 #define sati_cb_get_task_function scic_cb_ssp_task_request_get_function
167 #define sati_cb_get_ata_data_address(the_ata_io) \
168 scic_io_request_get_rx_frame( \
169 scif_io_request_get_scic_handle((the_ata_io)), 0 \
172 #define sati_cb_get_h2d_register_fis_address(the_ata_io) \
173 (U8*) scic_stp_io_request_get_h2d_reg_address( \
174 scif_io_request_get_scic_handle((the_ata_io)) \
177 #define sati_cb_get_d2h_register_fis_address(the_ata_io) \
178 (U8*) scic_stp_io_request_get_d2h_reg_address( \
179 scif_io_request_get_scic_handle((the_ata_io)) \
182 #define sati_cb_allocate_dma_buffer(scsi_io, length, virt_address, phys_address_low, phys_address_high) \
184 SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
185 SCI_PHYSICAL_MEMORY_DESCRIPTOR_T mde; \
186 mde.virtual_address = NULL; \
187 sci_base_mde_construct( \
188 &mde, 4, length, SCI_MDE_ATTRIBUTE_PHYSICALLY_CONTIGUOUS \
190 scif_cb_controller_allocate_memory( \
191 fw_request->device->domain->controller, &mde \
193 *(virt_address) = mde.virtual_address; \
194 *(phys_address_low) = sci_cb_physical_address_lower(mde.physical_address); \
195 *(phys_address_high) = sci_cb_physical_address_upper(mde.physical_address); \
198 #define sati_cb_free_dma_buffer(scsi_io, virt_address) \
200 SCIF_SAS_REQUEST_T* fw_request = (SCIF_SAS_REQUEST_T*)scsi_io; \
201 SCI_PHYSICAL_MEMORY_DESCRIPTOR_T mde; \
202 mde.virtual_address = virt_address; \
203 sci_base_mde_construct( \
204 &mde, 4, 0, SCI_MDE_ATTRIBUTE_PHYSICALLY_CONTIGUOUS \
206 scif_cb_controller_free_memory( \
207 fw_request->device->domain->controller, &mde \
211 #define sati_cb_sgl_next_sge(scsi_io, ata_io, current_sge, next_sge) \
213 /* For now just 2 SGEs are supported. */ \
214 SCIC_SDS_REQUEST_T *scic_request; \
215 SCU_SGL_ELEMENT_PAIR_T *sgl_pair; \
216 scic_request = scif_io_request_get_scic_handle((scsi_io)); \
217 sgl_pair = scic_sds_request_get_sgl_element_pair(scic_request, 0); \
219 if ((current_sge) == NULL) \
221 *(next_sge) = &(sgl_pair->A); \
225 *(next_sge) = &(sgl_pair->B); \
229 #define sati_cb_sge_write(current_sge, phys_address_low, phys_address_high, byte_length) \
231 SCU_SGL_ELEMENT_T * scu_sge = (SCU_SGL_ELEMENT_T*) (current_sge); \
232 scu_sge->address_upper = (phys_address_high); \
233 scu_sge->address_lower = (phys_address_low); \
234 scu_sge->length = (byte_length); \
235 scu_sge->address_modifier = 0; \
238 #define sati_cb_do_translate_response(request) \
239 (request)->stp.sequence.is_translate_response_required
243 #endif // __cplusplus
245 #endif // _SCIF_SAS_SATI_BINDING_H_