diff options
| -rw-r--r-- | drivers/scsi/isci/core/intel_sas.h | 27 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_phy.h | 26 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_port.h | 4 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_phy.c | 28 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_phy.h | 9 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_port.c | 97 | ||||
| -rw-r--r-- | drivers/scsi/isci/port.c | 6 |
7 files changed, 59 insertions, 138 deletions
diff --git a/drivers/scsi/isci/core/intel_sas.h b/drivers/scsi/isci/core/intel_sas.h index 58bf1fb9b2f5..f2d5ca1c72ed 100644 --- a/drivers/scsi/isci/core/intel_sas.h +++ b/drivers/scsi/isci/core/intel_sas.h @@ -85,33 +85,6 @@ struct sci_sas_address { }; /** - * struct sci_sas_identify_address_frame_protocols - This structure depicts the - * contents of bytes 2 and 3 in the SAS IDENTIFY ADDRESS FRAME (IAF). - * - * For specific information on each of these individual fields please reference - * the SAS specification Link layer section on address frames. - */ -struct sci_sas_identify_address_frame_protocols { - union { - struct { - u16 restricted1:1; - u16 smp_initiator:1; - u16 stp_initiator:1; - u16 ssp_initiator:1; - u16 reserved3:4; - u16 restricted2:1; - u16 smp_target:1; - u16 stp_target:1; - u16 ssp_target:1; - u16 reserved4:4; - } bits; - - u16 all; - } u; - -}; - -/** * enum _SCI_SAS_TASK_ATTRIBUTE - This enumeration depicts the SAM/SAS * specification defined task attribute values for a command information * unit. diff --git a/drivers/scsi/isci/core/scic_phy.h b/drivers/scsi/isci/core/scic_phy.h index 3f43e8d69c4f..451d7977bf6d 100644 --- a/drivers/scsi/isci/core/scic_phy.h +++ b/drivers/scsi/isci/core/scic_phy.h @@ -103,6 +103,26 @@ struct scic_phy_cap { }; } __packed; +/* this data structure reflects the link layer transmit identification reg */ +struct scic_phy_proto { + union { + struct { + u16 _r_a:1; + u16 smp_iport:1; + u16 stp_iport:1; + u16 ssp_iport:1; + u16 _r_b:4; + u16 _r_c:1; + u16 smp_tport:1; + u16 stp_tport:1; + u16 ssp_tport:1; + u16 _r_d:4; + }; + u16 all; + }; +} __packed; + + /** * struct scic_phy_properties - This structure defines the properties common to * all phys that can be retrieved. @@ -124,16 +144,10 @@ struct scic_phy_properties { enum sas_linkrate negotiated_link_rate; /** - * This field indicates the protocols supported by the phy. - */ - struct sci_sas_identify_address_frame_protocols protocols; - - /** * This field specifies the index of the phy in relation to other * phys within the controller. This index is zero relative. */ u8 index; - }; /** diff --git a/drivers/scsi/isci/core/scic_port.h b/drivers/scsi/isci/core/scic_port.h index 56d05073f9c5..4ae9b6cdf04f 100644 --- a/drivers/scsi/isci/core/scic_port.h +++ b/drivers/scsi/isci/core/scic_port.h @@ -57,6 +57,7 @@ #define _SCIC_PORT_H_ #include "sci_status.h" +#include "scic_phy.h" #include "intel_sas.h" struct scic_sds_port; @@ -72,8 +73,7 @@ enum scic_port_not_ready_reason_code { struct scic_port_end_point_properties { struct sci_sas_address sas_address; - struct sci_sas_identify_address_frame_protocols protocols; - + struct scic_phy_proto protocols; }; struct scic_port_properties { diff --git a/drivers/scsi/isci/core/scic_sds_phy.c b/drivers/scsi/isci/core/scic_sds_phy.c index 4afdb422ab98..b9d6fc7e8ae0 100644 --- a/drivers/scsi/isci/core/scic_sds_phy.c +++ b/drivers/scsi/isci/core/scic_sds_phy.c @@ -442,37 +442,15 @@ void scic_sds_phy_get_attached_sas_address(struct scic_sds_phy *sci_phy, memcpy(sas_address, iaf->sas_addr, SAS_ADDR_SIZE); } -void scic_sds_phy_get_protocols( - struct scic_sds_phy *sci_phy, - struct sci_sas_identify_address_frame_protocols *protocols) +void scic_sds_phy_get_protocols(struct scic_sds_phy *sci_phy, + struct scic_phy_proto *protocols) { - protocols->u.all = + protocols->all = (u16)(readl(&sci_phy-> link_layer_registers->transmit_identification) & 0x0000FFFF); } -void scic_sds_phy_get_attached_phy_protocols( - struct scic_sds_phy *sci_phy, - struct sci_sas_identify_address_frame_protocols *protocols) -{ - protocols->u.all = 0; - - if (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) { - struct isci_phy *iphy = sci_phy->iphy; - struct sas_identify_frame *iaf; - - iaf = &iphy->frame_rcvd.iaf; - memcpy(&protocols->u.all, &iaf->initiator_bits, 2); - } else if (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) - protocols->u.bits.stp_target = 1; -} - -/* - * ***************************************************************************** - * * SCIC SDS PHY Handler Redirects - * ***************************************************************************** */ - /** * This method will attempt to start the phy object. This request is only valid * when the phy is in the stopped state diff --git a/drivers/scsi/isci/core/scic_sds_phy.h b/drivers/scsi/isci/core/scic_sds_phy.h index e91f28316c00..b0cebdc669eb 100644 --- a/drivers/scsi/isci/core/scic_sds_phy.h +++ b/drivers/scsi/isci/core/scic_sds_phy.h @@ -57,6 +57,7 @@ #define _SCIC_SDS_PHY_H_ #include "intel_sas.h" +#include "scic_phy.h" #include "scu_registers.h" #include "sci_base_state_machine.h" #include <scsi/libsas.h> @@ -438,11 +439,7 @@ void scic_sds_phy_get_attached_sas_address( struct sci_sas_address *sas_address); void scic_sds_phy_get_protocols( - struct scic_sds_phy *this_phy, - struct sci_sas_identify_address_frame_protocols *protocols); - -void scic_sds_phy_get_attached_phy_protocols( - struct scic_sds_phy *this_phy, - struct sci_sas_identify_address_frame_protocols *protocols); + struct scic_sds_phy *sci_phy, + struct scic_phy_proto *protocols); #endif /* _SCIC_SDS_PHY_H_ */ diff --git a/drivers/scsi/isci/core/scic_sds_port.c b/drivers/scsi/isci/core/scic_sds_port.c index 3697211e7ca9..05bc3bff4f6f 100644 --- a/drivers/scsi/isci/core/scic_sds_port.c +++ b/drivers/scsi/isci/core/scic_sds_port.c @@ -53,6 +53,7 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +#include "sas.h" #include "intel_sas.h" #include "scic_controller.h" #include "scic_phy.h" @@ -362,33 +363,32 @@ void scic_sds_port_get_sas_address( } } -/** - * This method will indicate which protocols are supported by this port. +/* + * This function will indicate which protocols are supported by this port. * @sci_port: a handle corresponding to the SAS port for which to return the * supported protocols. - * @protocols: This parameter specifies a pointer to an IAF protocol field - * structure into which the core will copy the protocol values for the port. - * The values are returned as part of a bit mask in order to allow for - * multi-protocol support. - * + * @protocols: This parameter specifies a pointer to a data structure + * which the core will copy the protocol values for the port from the + * transmit_identification register. */ -static void scic_sds_port_get_protocols( - struct scic_sds_port *sci_port, - struct sci_sas_identify_address_frame_protocols *protocols) +static void +scic_sds_port_get_protocols(struct scic_sds_port *sci_port, + struct scic_phy_proto *protocols) { u8 index; - protocols->u.all = 0; + protocols->all = 0; for (index = 0; index < SCI_MAX_PHYS; index++) { if (sci_port->phy_table[index] != NULL) { - scic_sds_phy_get_protocols(sci_port->phy_table[index], protocols); + scic_sds_phy_get_protocols(sci_port->phy_table[index], + protocols); } } } -/** - * This method requests the SAS address for the device directly attached to +/* + * This function requests the SAS address for the device directly attached to * this SAS port. * @sci_port: a handle corresponding to the SAS port for which to return the * SAS address. @@ -401,21 +401,20 @@ void scic_sds_port_get_attached_sas_address( struct scic_sds_port *sci_port, struct sci_sas_address *sas_address) { - struct sci_sas_identify_address_frame_protocols protocols; - struct scic_sds_phy *phy; + struct scic_sds_phy *sci_phy; /* * Ensure that the phy is both part of the port and currently - * connected to the remote end-point. */ - phy = scic_sds_port_get_a_connected_phy(sci_port); - if (phy != NULL) { - scic_sds_phy_get_attached_phy_protocols(phy, &protocols); - - if (!protocols.u.bits.stp_target) { - scic_sds_phy_get_attached_sas_address(phy, sas_address); + * connected to the remote end-point. + */ + sci_phy = scic_sds_port_get_a_connected_phy(sci_port); + if (sci_phy) { + if (sci_phy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA) { + scic_sds_phy_get_attached_sas_address(sci_phy, + sas_address); } else { - scic_sds_phy_get_sas_address(phy, sas_address); - sas_address->low += phy->phy_index; + scic_sds_phy_get_sas_address(sci_phy, sas_address); + sas_address->low += sci_phy->phy_index; } } else { sas_address->high = 0; @@ -424,33 +423,6 @@ void scic_sds_port_get_attached_sas_address( } /** - * This method will indicate which protocols are supported by this remote - * device. - * @sci_port: a handle corresponding to the SAS port for which to return the - * supported protocols. - * @protocols: This parameter specifies a pointer to an IAF protocol field - * structure into which the core will copy the protocol values for the port. - * The values are returned as part of a bit mask in order to allow for - * multi-protocol support. - * - */ -static void scic_sds_port_get_attached_protocols( - struct scic_sds_port *sci_port, - struct sci_sas_identify_address_frame_protocols *protocols) -{ - struct scic_sds_phy *phy; - - /* - * Ensure that the phy is both part of the port and currently - * connected to the remote end-point. */ - phy = scic_sds_port_get_a_connected_phy(sci_port); - if (phy != NULL) - scic_sds_phy_get_attached_phy_protocols(phy, protocols); - else - protocols->u.all = 0; -} - -/** * scic_sds_port_construct_dummy_rnc() - create dummy rnc for si workaround * * @sci_port: logical port on which we need to create the remote node context @@ -595,7 +567,6 @@ enum sci_status scic_port_get_properties( scic_sds_port_get_sas_address(port, &prop->local.sas_address); scic_sds_port_get_protocols(port, &prop->local.protocols); scic_sds_port_get_attached_sas_address(port, &prop->remote.sas_address); - scic_sds_port_get_attached_protocols(port, &prop->remote.protocols); return SCI_SUCCESS; } @@ -655,14 +626,10 @@ static void scic_sds_port_activate_phy(struct scic_sds_port *sci_port, struct scic_sds_phy *sci_phy, bool do_notify_user) { - struct scic_sds_controller *scic = scic_sds_port_get_controller(sci_port); - struct sci_sas_identify_address_frame_protocols protocols; + struct scic_sds_controller *scic = sci_port->owning_controller; struct isci_host *ihost = scic->ihost; - scic_sds_phy_get_attached_phy_protocols(sci_phy, &protocols); - - /* If this is sata port then the phy has already been resumed */ - if (!protocols.u.bits.stp_target) + if (sci_phy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA) scic_sds_phy_resume(sci_phy); sci_port->active_phy_mask |= 1 << sci_phy->phy_index; @@ -803,15 +770,9 @@ bool scic_sds_port_link_detected( struct scic_sds_port *sci_port, struct scic_sds_phy *sci_phy) { - struct sci_sas_identify_address_frame_protocols protocols; - - scic_sds_phy_get_attached_phy_protocols(sci_phy, &protocols); - - if ( - (sci_port->logical_port_index != SCIC_SDS_DUMMY_PORT) - && (protocols.u.bits.stp_target) - && scic_sds_port_is_wide(sci_port) - ) { + if ((sci_port->logical_port_index != SCIC_SDS_DUMMY_PORT) && + (sci_phy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) && + scic_sds_port_is_wide(sci_port)) { scic_sds_port_invalid_link_up(sci_port, sci_phy); return false; diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c index 96a2002dadea..2decafbeb968 100644 --- a/drivers/scsi/isci/port.c +++ b/drivers/scsi/isci/port.c @@ -187,7 +187,7 @@ void isci_port_link_up( scic_port_get_properties(port, &properties); - if (properties.remote.protocols.u.bits.stp_target) { + if (phy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) { u64 attached_sas_address; isci_phy->sas_phy.oob_mode = SATA_OOB_MODE; @@ -207,9 +207,7 @@ void isci_port_link_up( memcpy(&isci_phy->sas_phy.attached_sas_addr, &attached_sas_address, sizeof(attached_sas_address)); - - } else if (properties.remote.protocols.u.bits.ssp_target || - properties.remote.protocols.u.bits.smp_target) { + } else if (phy->protocol == SCIC_SDS_PHY_PROTOCOL_SAS) { isci_phy->sas_phy.oob_mode = SAS_OOB_MODE; isci_phy->sas_phy.frame_rcvd_size = sizeof(struct sas_identify_frame); |