scsi: smartpqi: add smp_utils support
Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Reviewed-by: Mahesh Rajashekhara <mahesh.rajashekhara@microsemi.com> Reviewed-by: Scott Teel <scott.teel@microsemi.com> Reviewed-by: Dave Carroll <david.carroll@microsemi.com> Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>hifive-unleashed-5.1
Don Brace
Martin K. Petersen
parent
2ba55c9851
commit
3d46a59a19
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@ -21,6 +21,9 @@
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#if !defined(_SMARTPQI_H)
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#define _SMARTPQI_H
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#include <scsi/scsi_host.h>
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#include <linux/bsg-lib.h>
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#pragma pack(1)
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#define PQI_DEVICE_SIGNATURE "PQI DREG"
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@ -855,6 +858,7 @@ struct pqi_scsi_dev {
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u8 unique_id[16];
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u8 is_physical_device : 1;
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u8 is_external_raid_device : 1;
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u8 is_expander_smp_device : 1;
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u8 target_lun_valid : 1;
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u8 device_gone : 1;
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u8 new_device : 1;
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@ -964,6 +968,7 @@ struct pqi_sas_node {
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struct pqi_sas_port {
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struct list_head port_list_entry;
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u64 sas_address;
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struct pqi_scsi_dev *device;
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struct sas_port *port;
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int next_phy_index;
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struct list_head phy_list_head;
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@ -1129,11 +1134,14 @@ enum pqi_ctrl_mode {
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#define BMIC_WRITE 0x27
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#define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64
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#define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66
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#define BMIC_CSMI_PASSTHRU 0x68
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#define BMIC_WRITE_HOST_WELLNESS 0xa5
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#define BMIC_FLUSH_CACHE 0xc2
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#define BMIC_SET_DIAG_OPTIONS 0xf4
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#define BMIC_SENSE_DIAG_OPTIONS 0xf5
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#define CSMI_CC_SAS_SMP_PASSTHRU 0X17
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#define SA_FLUSH_CACHE 0x1
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#define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0)
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@ -1160,6 +1168,10 @@ struct bmic_identify_controller {
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u8 reserved3[32];
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};
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#define SA_EXPANDER_SMP_DEVICE 0x05
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/*SCSI Invalid Device Type for SAS devices*/
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#define PQI_SAS_SCSI_INVALID_DEVTYPE 0xff
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struct bmic_identify_physical_device {
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u8 scsi_bus; /* SCSI Bus number on controller */
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u8 scsi_id; /* SCSI ID on this bus */
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@ -1240,6 +1252,50 @@ struct bmic_identify_physical_device {
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u8 padding_to_multiple_of_512[9];
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};
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struct bmic_smp_request {
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u8 frame_type;
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u8 function;
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u8 allocated_response_length;
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u8 request_length;
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u8 additional_request_bytes[1016];
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};
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struct bmic_smp_response {
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u8 frame_type;
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u8 function;
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u8 function_result;
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u8 response_length;
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u8 additional_response_bytes[1016];
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};
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struct bmic_csmi_ioctl_header {
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__le32 header_length;
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u8 signature[8];
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__le32 timeout;
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__le32 control_code;
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__le32 return_code;
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__le32 length;
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};
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struct bmic_csmi_smp_passthru {
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u8 phy_identifier;
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u8 port_identifier;
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u8 connection_rate;
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u8 reserved;
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__be64 destination_sas_address;
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__le32 request_length;
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struct bmic_smp_request request;
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u8 connection_status;
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u8 reserved1[3];
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__le32 response_length;
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struct bmic_smp_response response;
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};
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struct bmic_csmi_smp_passthru_buffer {
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struct bmic_csmi_ioctl_header ioctl_header;
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struct bmic_csmi_smp_passthru parameters;
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};
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struct bmic_flush_cache {
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u8 disable_flag;
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u8 system_power_action;
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@ -1263,6 +1319,36 @@ struct bmic_diag_options {
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#pragma pack()
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static inline struct pqi_ctrl_info *shost_to_hba(struct Scsi_Host *shost)
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{
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void *hostdata = shost_priv(shost);
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return *((struct pqi_ctrl_info **)hostdata);
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}
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static inline bool pqi_ctrl_offline(struct pqi_ctrl_info *ctrl_info)
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{
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return !ctrl_info->controller_online;
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}
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static inline void pqi_ctrl_busy(struct pqi_ctrl_info *ctrl_info)
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{
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atomic_inc(&ctrl_info->num_busy_threads);
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}
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static inline void pqi_ctrl_unbusy(struct pqi_ctrl_info *ctrl_info)
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{
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atomic_dec(&ctrl_info->num_busy_threads);
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}
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static inline bool pqi_ctrl_blocked(struct pqi_ctrl_info *ctrl_info)
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{
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return ctrl_info->block_requests;
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}
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void pqi_sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
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struct sas_rphy *rphy);
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int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info);
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void pqi_delete_sas_host(struct pqi_ctrl_info *ctrl_info);
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int pqi_add_sas_device(struct pqi_sas_node *pqi_sas_node,
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@ -1271,6 +1357,9 @@ void pqi_remove_sas_device(struct pqi_scsi_dev *device);
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struct pqi_scsi_dev *pqi_find_device_by_sas_rphy(
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struct pqi_ctrl_info *ctrl_info, struct sas_rphy *rphy);
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void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd);
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int pqi_csmi_smp_passthru(struct pqi_ctrl_info *ctrl_info,
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struct bmic_csmi_smp_passthru_buffer *buffer, size_t buffer_length,
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struct pqi_raid_error_info *error_info);
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extern struct sas_function_template pqi_sas_transport_functions;
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@ -188,13 +188,6 @@ static inline bool pqi_scsi3addr_equal(u8 *scsi3addr1, u8 *scsi3addr2)
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return memcmp(scsi3addr1, scsi3addr2, 8) == 0;
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}
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static inline struct pqi_ctrl_info *shost_to_hba(struct Scsi_Host *shost)
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{
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void *hostdata = shost_priv(shost);
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return *((struct pqi_ctrl_info **)hostdata);
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}
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static inline bool pqi_is_logical_device(struct pqi_scsi_dev *device)
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{
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return !device->is_physical_device;
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@ -205,11 +198,6 @@ static inline bool pqi_is_external_raid_addr(u8 *scsi3addr)
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return scsi3addr[2] != 0;
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}
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static inline bool pqi_ctrl_offline(struct pqi_ctrl_info *ctrl_info)
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{
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return !ctrl_info->controller_online;
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}
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static inline void pqi_check_ctrl_health(struct pqi_ctrl_info *ctrl_info)
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{
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if (ctrl_info->controller_online)
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@ -248,11 +236,6 @@ static inline void pqi_ctrl_unblock_requests(struct pqi_ctrl_info *ctrl_info)
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scsi_unblock_requests(ctrl_info->scsi_host);
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}
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static inline bool pqi_ctrl_blocked(struct pqi_ctrl_info *ctrl_info)
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{
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return ctrl_info->block_requests;
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}
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static unsigned long pqi_wait_if_ctrl_blocked(struct pqi_ctrl_info *ctrl_info,
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unsigned long timeout_msecs)
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{
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@ -282,16 +265,6 @@ static unsigned long pqi_wait_if_ctrl_blocked(struct pqi_ctrl_info *ctrl_info,
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return remaining_msecs;
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}
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static inline void pqi_ctrl_busy(struct pqi_ctrl_info *ctrl_info)
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{
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atomic_inc(&ctrl_info->num_busy_threads);
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}
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static inline void pqi_ctrl_unbusy(struct pqi_ctrl_info *ctrl_info)
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{
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atomic_dec(&ctrl_info->num_busy_threads);
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}
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static inline void pqi_ctrl_wait_until_quiesced(struct pqi_ctrl_info *ctrl_info)
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{
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while (atomic_read(&ctrl_info->num_busy_threads) >
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@ -472,6 +445,13 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info,
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cdb[6] = cmd;
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put_unaligned_be16(cdb_length, &cdb[7]);
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break;
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case BMIC_CSMI_PASSTHRU:
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request->data_direction = SOP_BIDIRECTIONAL;
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cdb[0] = BMIC_WRITE;
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cdb[5] = CSMI_CC_SAS_SMP_PASSTHRU;
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cdb[6] = cmd;
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put_unaligned_be16(cdb_length, &cdb[7]);
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break;
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default:
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dev_err(&ctrl_info->pci_dev->dev, "unknown command 0x%c\n",
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cmd);
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@ -713,6 +693,13 @@ static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info,
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return rc;
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}
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int pqi_csmi_smp_passthru(struct pqi_ctrl_info *ctrl_info,
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struct bmic_csmi_smp_passthru_buffer *buffer, size_t buffer_length,
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struct pqi_raid_error_info *error_info)
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{
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return pqi_send_ctrl_raid_with_error(ctrl_info, BMIC_CSMI_PASSTHRU,
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buffer, buffer_length, error_info);
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}
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#define PQI_FETCH_PTRAID_DATA (1UL<<31)
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@ -1298,6 +1285,9 @@ static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info,
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u8 *buffer;
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unsigned int retries;
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if (device->is_expander_smp_device)
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return 0;
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buffer = kmalloc(64, GFP_KERNEL);
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if (!buffer)
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return -ENOMEM;
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@ -1585,6 +1575,14 @@ static enum pqi_find_result pqi_scsi_find_entry(struct pqi_ctrl_info *ctrl_info,
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return DEVICE_NOT_FOUND;
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}
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static inline const char *pqi_device_type(struct pqi_scsi_dev *device)
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{
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if (device->is_expander_smp_device)
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return "Enclosure SMP ";
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return scsi_device_type(device->devtype);
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}
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#define PQI_DEV_INFO_BUFFER_LENGTH 128
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static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info,
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@ -1620,7 +1618,7 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info,
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count += snprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count,
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" %s %.8s %.16s ",
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scsi_device_type(device->devtype),
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pqi_device_type(device),
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device->vendor,
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device->model);
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@ -1665,6 +1663,8 @@ static void pqi_scsi_update_device(struct pqi_scsi_dev *existing_device,
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existing_device->is_physical_device = new_device->is_physical_device;
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existing_device->is_external_raid_device =
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new_device->is_external_raid_device;
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existing_device->is_expander_smp_device =
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new_device->is_expander_smp_device;
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existing_device->aio_enabled = new_device->aio_enabled;
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memcpy(existing_device->vendor, new_device->vendor,
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sizeof(existing_device->vendor));
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@ -1721,6 +1721,14 @@ static inline void pqi_fixup_botched_add(struct pqi_ctrl_info *ctrl_info,
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device->keep_device = false;
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}
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static inline bool pqi_is_device_added(struct pqi_scsi_dev *device)
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{
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if (device->is_expander_smp_device)
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return device->sas_port != NULL;
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return device->sdev != NULL;
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}
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static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info,
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struct pqi_scsi_dev *new_device_list[], unsigned int num_new_devices)
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{
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@ -1815,7 +1823,7 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info,
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} else {
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pqi_dev_info(ctrl_info, "removed", device);
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}
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if (device->sdev)
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if (pqi_is_device_added(device))
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pqi_remove_device(ctrl_info, device);
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list_del(&device->delete_list_entry);
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pqi_free_device(device);
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@ -1837,7 +1845,7 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info,
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/* Expose any new devices. */
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list_for_each_entry_safe(device, next, &add_list, add_list_entry) {
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if (!device->sdev) {
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if (!pqi_is_device_added(device)) {
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pqi_dev_info(ctrl_info, "added", device);
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rc = pqi_add_device(ctrl_info, device);
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if (rc) {
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@ -1854,7 +1862,12 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info,
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static bool pqi_is_supported_device(struct pqi_scsi_dev *device)
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{
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bool is_supported = false;
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bool is_supported;
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if (device->is_expander_smp_device)
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return true;
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is_supported = false;
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switch (device->devtype) {
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case TYPE_DISK:
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@ -1888,6 +1901,24 @@ static inline bool pqi_skip_device(u8 *scsi3addr)
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return false;
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}
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static inline bool pqi_is_device_with_sas_address(struct pqi_scsi_dev *device)
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{
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if (!device->is_physical_device)
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return false;
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if (device->is_expander_smp_device)
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return true;
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switch (device->devtype) {
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case TYPE_DISK:
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case TYPE_ZBC:
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case TYPE_ENCLOSURE:
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return true;
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}
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return false;
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}
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static inline bool pqi_expose_device(struct pqi_scsi_dev *device)
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{
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return !device->is_physical_device ||
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@ -2002,9 +2033,14 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info)
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memcpy(device->scsi3addr, scsi3addr, sizeof(device->scsi3addr));
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device->is_physical_device = is_physical_device;
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if (!is_physical_device)
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if (is_physical_device) {
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if (phys_lun_ext_entry->device_type ==
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SA_EXPANDER_SMP_DEVICE)
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device->is_expander_smp_device = true;
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} else {
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device->is_external_raid_device =
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pqi_is_external_raid_addr(scsi3addr);
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}
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/* Gather information about the device. */
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rc = pqi_get_device_info(ctrl_info, device);
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@ -2037,30 +2073,23 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info)
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device->wwid = phys_lun_ext_entry->wwid;
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if ((phys_lun_ext_entry->device_flags &
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REPORT_PHYS_LUN_DEV_FLAG_AIO_ENABLED) &&
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phys_lun_ext_entry->aio_handle)
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phys_lun_ext_entry->aio_handle) {
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device->aio_enabled = true;
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device->aio_handle =
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phys_lun_ext_entry->aio_handle;
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}
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if (device->devtype == TYPE_DISK ||
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device->devtype == TYPE_ZBC) {
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pqi_get_physical_disk_info(ctrl_info,
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device, id_phys);
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}
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} else {
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memcpy(device->volume_id, log_lun_ext_entry->volume_id,
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sizeof(device->volume_id));
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}
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switch (device->devtype) {
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case TYPE_DISK:
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case TYPE_ZBC:
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case TYPE_ENCLOSURE:
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if (device->is_physical_device) {
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device->sas_address =
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get_unaligned_be64(&device->wwid);
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if (device->devtype == TYPE_DISK ||
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device->devtype == TYPE_ZBC) {
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device->aio_handle =
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phys_lun_ext_entry->aio_handle;
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pqi_get_physical_disk_info(ctrl_info,
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device, id_phys);
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}
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}
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break;
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}
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if (pqi_is_device_with_sas_address(device))
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device->sas_address = get_unaligned_be64(&device->wwid);
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new_device_list[num_valid_devices++] = device;
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}
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@ -2103,7 +2132,7 @@ static void pqi_remove_all_scsi_devices(struct pqi_ctrl_info *ctrl_info)
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if (!device)
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break;
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if (device->sdev)
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if (pqi_is_device_added(device))
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pqi_remove_device(ctrl_info, device);
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pqi_free_device(device);
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}
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|
|
@ -17,9 +17,11 @@
|
|||
*/
|
||||
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/bsg-lib.h>
|
||||
#include <scsi/scsi_host.h>
|
||||
#include <scsi/scsi_cmnd.h>
|
||||
#include <scsi/scsi_transport_sas.h>
|
||||
#include <asm/unaligned.h>
|
||||
#include "smartpqi.h"
|
||||
|
||||
static struct pqi_sas_phy *pqi_alloc_sas_phy(struct pqi_sas_port *pqi_sas_port)
|
||||
|
|
@ -97,14 +99,32 @@ static int pqi_sas_port_add_rphy(struct pqi_sas_port *pqi_sas_port,
|
|||
|
||||
identify = &rphy->identify;
|
||||
identify->sas_address = pqi_sas_port->sas_address;
|
||||
identify->initiator_port_protocols = SAS_PROTOCOL_STP;
|
||||
identify->target_port_protocols = SAS_PROTOCOL_STP;
|
||||
|
||||
if (pqi_sas_port->device &&
|
||||
pqi_sas_port->device->is_expander_smp_device) {
|
||||
identify->initiator_port_protocols = SAS_PROTOCOL_SMP;
|
||||
identify->target_port_protocols = SAS_PROTOCOL_SMP;
|
||||
} else {
|
||||
identify->initiator_port_protocols = SAS_PROTOCOL_STP;
|
||||
identify->target_port_protocols = SAS_PROTOCOL_STP;
|
||||
}
|
||||
|
||||
return sas_rphy_add(rphy);
|
||||
}
|
||||
|
||||
static struct sas_rphy *pqi_sas_rphy_alloc(struct pqi_sas_port *pqi_sas_port)
|
||||
{
|
||||
if (pqi_sas_port->device &&
|
||||
pqi_sas_port->device->is_expander_smp_device)
|
||||
return sas_expander_alloc(pqi_sas_port->port,
|
||||
SAS_FANOUT_EXPANDER_DEVICE);
|
||||
|
||||
return sas_end_device_alloc(pqi_sas_port->port);
|
||||
}
|
||||
|
||||
static struct pqi_sas_port *pqi_alloc_sas_port(
|
||||
struct pqi_sas_node *pqi_sas_node, u64 sas_address)
|
||||
struct pqi_sas_node *pqi_sas_node, u64 sas_address,
|
||||
struct pqi_scsi_dev *device)
|
||||
{
|
||||
int rc;
|
||||
struct pqi_sas_port *pqi_sas_port;
|
||||
|
|
@ -127,6 +147,7 @@ static struct pqi_sas_port *pqi_alloc_sas_port(
|
|||
|
||||
pqi_sas_port->port = port;
|
||||
pqi_sas_port->sas_address = sas_address;
|
||||
pqi_sas_port->device = device;
|
||||
list_add_tail(&pqi_sas_port->port_list_entry,
|
||||
&pqi_sas_node->port_list_head);
|
||||
|
||||
|
|
@ -146,7 +167,7 @@ static void pqi_free_sas_port(struct pqi_sas_port *pqi_sas_port)
|
|||
struct pqi_sas_phy *next;
|
||||
|
||||
list_for_each_entry_safe(pqi_sas_phy, next,
|
||||
&pqi_sas_port->phy_list_head, phy_list_entry)
|
||||
&pqi_sas_port->phy_list_head, phy_list_entry)
|
||||
pqi_free_sas_phy(pqi_sas_phy);
|
||||
|
||||
sas_port_delete(pqi_sas_port->port);
|
||||
|
|
@ -176,7 +197,7 @@ static void pqi_free_sas_node(struct pqi_sas_node *pqi_sas_node)
|
|||
return;
|
||||
|
||||
list_for_each_entry_safe(pqi_sas_port, next,
|
||||
&pqi_sas_node->port_list_head, port_list_entry)
|
||||
&pqi_sas_node->port_list_head, port_list_entry)
|
||||
pqi_free_sas_port(pqi_sas_port);
|
||||
|
||||
kfree(pqi_sas_node);
|
||||
|
|
@ -206,13 +227,14 @@ int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info)
|
|||
struct pqi_sas_port *pqi_sas_port;
|
||||
struct pqi_sas_phy *pqi_sas_phy;
|
||||
|
||||
parent_dev = &shost->shost_gendev;
|
||||
parent_dev = &shost->shost_dev;
|
||||
|
||||
pqi_sas_node = pqi_alloc_sas_node(parent_dev);
|
||||
if (!pqi_sas_node)
|
||||
return -ENOMEM;
|
||||
|
||||
pqi_sas_port = pqi_alloc_sas_port(pqi_sas_node, ctrl_info->sas_address);
|
||||
pqi_sas_port = pqi_alloc_sas_port(pqi_sas_node,
|
||||
ctrl_info->sas_address, NULL);
|
||||
if (!pqi_sas_port) {
|
||||
rc = -ENODEV;
|
||||
goto free_sas_node;
|
||||
|
|
@ -254,11 +276,12 @@ int pqi_add_sas_device(struct pqi_sas_node *pqi_sas_node,
|
|||
struct pqi_sas_port *pqi_sas_port;
|
||||
struct sas_rphy *rphy;
|
||||
|
||||
pqi_sas_port = pqi_alloc_sas_port(pqi_sas_node, device->sas_address);
|
||||
pqi_sas_port = pqi_alloc_sas_port(pqi_sas_node,
|
||||
device->sas_address, device);
|
||||
if (!pqi_sas_port)
|
||||
return -ENOMEM;
|
||||
|
||||
rphy = sas_end_device_alloc(pqi_sas_port->port);
|
||||
rphy = pqi_sas_rphy_alloc(pqi_sas_port);
|
||||
if (!rphy) {
|
||||
rc = -ENODEV;
|
||||
goto free_sas_port;
|
||||
|
|
@ -329,6 +352,128 @@ static int pqi_sas_phy_speed(struct sas_phy *phy,
|
|||
return -EINVAL;
|
||||
}
|
||||
|
||||
#define CSMI_IOCTL_TIMEOUT 60
|
||||
#define SMP_CRC_FIELD_LENGTH 4
|
||||
|
||||
static struct bmic_csmi_smp_passthru_buffer *
|
||||
pqi_build_csmi_smp_passthru_buffer(struct sas_rphy *rphy,
|
||||
struct bsg_job *job)
|
||||
{
|
||||
struct bmic_csmi_smp_passthru_buffer *smp_buf;
|
||||
struct bmic_csmi_ioctl_header *ioctl_header;
|
||||
struct bmic_csmi_smp_passthru *parameters;
|
||||
u32 req_size;
|
||||
u32 resp_size;
|
||||
|
||||
smp_buf = kzalloc(sizeof(*smp_buf), GFP_KERNEL);
|
||||
if (!smp_buf)
|
||||
return NULL;
|
||||
|
||||
req_size = job->request_payload.payload_len;
|
||||
resp_size = job->reply_payload.payload_len;
|
||||
|
||||
ioctl_header = &smp_buf->ioctl_header;
|
||||
put_unaligned_le32(sizeof(smp_buf->ioctl_header),
|
||||
&ioctl_header->header_length);
|
||||
put_unaligned_le32(CSMI_IOCTL_TIMEOUT, &ioctl_header->timeout);
|
||||
put_unaligned_le32(CSMI_CC_SAS_SMP_PASSTHRU,
|
||||
&ioctl_header->control_code);
|
||||
put_unaligned_le32(sizeof(smp_buf->parameters), &ioctl_header->length);
|
||||
|
||||
parameters = &smp_buf->parameters;
|
||||
parameters->phy_identifier = rphy->identify.phy_identifier;
|
||||
parameters->port_identifier = 0;
|
||||
parameters->connection_rate = 0;
|
||||
put_unaligned_be64(rphy->identify.sas_address,
|
||||
¶meters->destination_sas_address);
|
||||
|
||||
if (req_size > SMP_CRC_FIELD_LENGTH)
|
||||
req_size -= SMP_CRC_FIELD_LENGTH;
|
||||
|
||||
put_unaligned_le32(req_size, ¶meters->request_length);
|
||||
|
||||
put_unaligned_le32(resp_size, ¶meters->response_length);
|
||||
|
||||
sg_copy_to_buffer(job->request_payload.sg_list,
|
||||
job->reply_payload.sg_cnt, ¶meters->request,
|
||||
req_size);
|
||||
|
||||
return smp_buf;
|
||||
}
|
||||
|
||||
static unsigned int pqi_build_sas_smp_handler_reply(
|
||||
struct bmic_csmi_smp_passthru_buffer *smp_buf, struct bsg_job *job,
|
||||
struct pqi_raid_error_info *error_info)
|
||||
{
|
||||
sg_copy_from_buffer(job->reply_payload.sg_list,
|
||||
job->reply_payload.sg_cnt, &smp_buf->parameters.response,
|
||||
le32_to_cpu(smp_buf->parameters.response_length));
|
||||
|
||||
job->reply_len = le16_to_cpu(error_info->sense_data_length);
|
||||
memcpy(job->reply, error_info->data,
|
||||
le16_to_cpu(error_info->sense_data_length));
|
||||
|
||||
return job->reply_payload.payload_len -
|
||||
get_unaligned_le32(&error_info->data_in_transferred);
|
||||
}
|
||||
|
||||
void pqi_sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost,
|
||||
struct sas_rphy *rphy)
|
||||
{
|
||||
int rc;
|
||||
struct pqi_ctrl_info *ctrl_info = shost_to_hba(shost);
|
||||
struct bmic_csmi_smp_passthru_buffer *smp_buf;
|
||||
struct pqi_raid_error_info error_info;
|
||||
unsigned int reslen = 0;
|
||||
|
||||
pqi_ctrl_busy(ctrl_info);
|
||||
|
||||
if (job->reply_payload.payload_len == 0) {
|
||||
rc = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (!rphy) {
|
||||
rc = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (rphy->identify.device_type != SAS_FANOUT_EXPANDER_DEVICE) {
|
||||
rc = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (job->request_payload.sg_cnt > 1 || job->reply_payload.sg_cnt > 1) {
|
||||
rc = -EINVAL;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (pqi_ctrl_offline(ctrl_info)) {
|
||||
rc = -ENXIO;
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (pqi_ctrl_blocked(ctrl_info)) {
|
||||
rc = -EBUSY;
|
||||
goto out;
|
||||
}
|
||||
|
||||
smp_buf = pqi_build_csmi_smp_passthru_buffer(rphy, job);
|
||||
if (!smp_buf) {
|
||||
rc = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
|
||||
rc = pqi_csmi_smp_passthru(ctrl_info, smp_buf, sizeof(*smp_buf),
|
||||
&error_info);
|
||||
if (rc)
|
||||
goto out;
|
||||
|
||||
reslen = pqi_build_sas_smp_handler_reply(smp_buf, job, &error_info);
|
||||
out:
|
||||
bsg_job_done(job, rc, reslen);
|
||||
pqi_ctrl_unbusy(ctrl_info);
|
||||
}
|
||||
struct sas_function_template pqi_sas_transport_functions = {
|
||||
.get_linkerrors = pqi_sas_get_linkerrors,
|
||||
.get_enclosure_identifier = pqi_sas_get_enclosure_identifier,
|
||||
|
|
@ -338,4 +483,5 @@ struct sas_function_template pqi_sas_transport_functions = {
|
|||
.phy_setup = pqi_sas_phy_setup,
|
||||
.phy_release = pqi_sas_phy_release,
|
||||
.set_phy_speed = pqi_sas_phy_speed,
|
||||
.smp_handler = pqi_sas_smp_handler,
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue