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60 * This file contains all of the interface methods that can be called by an
61 * SCIC user on a phy (SAS or SATA) object.
68 #include <scsi/libsas.h>
69 #include "sci_status.h"
70 #include "intel_sas.h"
76 enum sas_linkrate
sci_phy_linkrate(struct scic_sds_phy
*sci_phy
);
82 * The SAS specification indicates the start bit shall
84 * 1. This implementation will have the start bit set
85 * to 0 if the PHY CAPABILITIES were either not
86 * received or speed negotiation failed.
91 u8 req_logical_linkrate
:4;
106 /* this data structure reflects the link layer transmit identification reg */
107 struct scic_phy_proto
{
127 * struct scic_phy_properties - This structure defines the properties common to
128 * all phys that can be retrieved.
132 struct scic_phy_properties
{
134 * This field specifies the port that currently contains the
135 * supplied phy. This field may be set to NULL
136 * if the phy is not currently contained in a port.
138 struct scic_sds_port
*owning_port
;
141 * This field specifies the link rate at which the phy is
142 * currently operating.
144 enum sas_linkrate negotiated_link_rate
;
147 * This field specifies the index of the phy in relation to other
148 * phys within the controller. This index is zero relative.
154 * struct scic_sas_phy_properties - This structure defines the properties,
155 * specific to a SAS phy, that can be retrieved.
159 struct scic_sas_phy_properties
{
161 * This field delineates the Identify Address Frame received
162 * from the remote end point.
164 struct sas_identify_frame rcvd_iaf
;
167 * This field delineates the Phy capabilities structure received
168 * from the remote end point.
170 struct scic_phy_cap rcvd_cap
;
175 * struct scic_sata_phy_properties - This structure defines the properties,
176 * specific to a SATA phy, that can be retrieved.
180 struct scic_sata_phy_properties
{
182 * This field delineates the signature FIS received from the
185 struct dev_to_host_fis signature_fis
;
188 * This field specifies to the user if a port selector is connected
189 * on the specified phy.
191 bool is_port_selector_present
;
196 * enum scic_phy_counter_id - This enumeration depicts the various pieces of
197 * optional information that can be retrieved for a specific phy.
201 enum scic_phy_counter_id
{
203 * This PHY information field tracks the number of frames received.
205 SCIC_PHY_COUNTER_RECEIVED_FRAME
,
208 * This PHY information field tracks the number of frames transmitted.
210 SCIC_PHY_COUNTER_TRANSMITTED_FRAME
,
213 * This PHY information field tracks the number of DWORDs received.
215 SCIC_PHY_COUNTER_RECEIVED_FRAME_WORD
,
218 * This PHY information field tracks the number of DWORDs transmitted.
220 SCIC_PHY_COUNTER_TRANSMITTED_FRAME_DWORD
,
223 * This PHY information field tracks the number of times DWORD
224 * synchronization was lost.
226 SCIC_PHY_COUNTER_LOSS_OF_SYNC_ERROR
,
229 * This PHY information field tracks the number of received DWORDs with
230 * running disparity errors.
232 SCIC_PHY_COUNTER_RECEIVED_DISPARITY_ERROR
,
235 * This PHY information field tracks the number of received frames with a
236 * CRC error (not including short or truncated frames).
238 SCIC_PHY_COUNTER_RECEIVED_FRAME_CRC_ERROR
,
241 * This PHY information field tracks the number of DONE (ACK/NAK TIMEOUT)
242 * primitives received.
244 SCIC_PHY_COUNTER_RECEIVED_DONE_ACK_NAK_TIMEOUT
,
247 * This PHY information field tracks the number of DONE (ACK/NAK TIMEOUT)
248 * primitives transmitted.
250 SCIC_PHY_COUNTER_TRANSMITTED_DONE_ACK_NAK_TIMEOUT
,
253 * This PHY information field tracks the number of times the inactivity
254 * timer for connections on the phy has been utilized.
256 SCIC_PHY_COUNTER_INACTIVITY_TIMER_EXPIRED
,
259 * This PHY information field tracks the number of DONE (CREDIT TIMEOUT)
260 * primitives received.
262 SCIC_PHY_COUNTER_RECEIVED_DONE_CREDIT_TIMEOUT
,
265 * This PHY information field tracks the number of DONE (CREDIT TIMEOUT)
266 * primitives transmitted.
268 SCIC_PHY_COUNTER_TRANSMITTED_DONE_CREDIT_TIMEOUT
,
271 * This PHY information field tracks the number of CREDIT BLOCKED
272 * primitives received.
273 * @note Depending on remote device implementation, credit blocks
274 * may occur regularly.
276 SCIC_PHY_COUNTER_RECEIVED_CREDIT_BLOCKED
,
279 * This PHY information field contains the number of short frames
280 * received. A short frame is simply a frame smaller then what is
281 * allowed by either the SAS or SATA specification.
283 SCIC_PHY_COUNTER_RECEIVED_SHORT_FRAME
,
286 * This PHY information field contains the number of frames received after
287 * credit has been exhausted.
289 SCIC_PHY_COUNTER_RECEIVED_FRAME_WITHOUT_CREDIT
,
292 * This PHY information field contains the number of frames received after
293 * a DONE has been received.
295 SCIC_PHY_COUNTER_RECEIVED_FRAME_AFTER_DONE
,
298 * This PHY information field contains the number of times the phy
299 * failed to achieve DWORD synchronization during speed negotiation.
301 SCIC_PHY_COUNTER_SN_DWORD_SYNC_ERROR
304 #endif /* _SCIC_PHY_H_ */