diff options
author | Don Brace <don.brace@microsemi.com> | 2018-12-07 16:30:05 -0600 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2018-12-19 22:23:35 -0500 |
commit | 3d46a59a191e81f7ada771b8db71553916b851da (patch) | |
tree | bf59e914fe789a7ff9b83f5940753f9e68d59809 /drivers/scsi | |
parent | 2ba55c9851d74eb015a554ef69ddf2ef061d5780 (diff) |
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>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/smartpqi/smartpqi.h | 89 | ||||
-rw-r--r-- | drivers/scsi/smartpqi/smartpqi_init.c | 131 | ||||
-rw-r--r-- | drivers/scsi/smartpqi/smartpqi_sas_transport.c | 164 |
3 files changed, 324 insertions, 60 deletions
diff --git a/drivers/scsi/smartpqi/smartpqi.h b/drivers/scsi/smartpqi/smartpqi.h index 4f52b5be3693..ba499a636f43 100644 --- a/drivers/scsi/smartpqi/smartpqi.h +++ b/drivers/scsi/smartpqi/smartpqi.h @@ -21,6 +21,9 @@ #if !defined(_SMARTPQI_H) #define _SMARTPQI_H +#include <scsi/scsi_host.h> +#include <linux/bsg-lib.h> + #pragma pack(1) #define PQI_DEVICE_SIGNATURE "PQI DREG" @@ -855,6 +858,7 @@ struct pqi_scsi_dev { u8 unique_id[16]; u8 is_physical_device : 1; u8 is_external_raid_device : 1; + u8 is_expander_smp_device : 1; u8 target_lun_valid : 1; u8 device_gone : 1; u8 new_device : 1; @@ -964,6 +968,7 @@ struct pqi_sas_node { struct pqi_sas_port { struct list_head port_list_entry; u64 sas_address; + struct pqi_scsi_dev *device; struct sas_port *port; int next_phy_index; struct list_head phy_list_head; @@ -1129,11 +1134,14 @@ enum pqi_ctrl_mode { #define BMIC_WRITE 0x27 #define BMIC_SENSE_CONTROLLER_PARAMETERS 0x64 #define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66 +#define BMIC_CSMI_PASSTHRU 0x68 #define BMIC_WRITE_HOST_WELLNESS 0xa5 #define BMIC_FLUSH_CACHE 0xc2 #define BMIC_SET_DIAG_OPTIONS 0xf4 #define BMIC_SENSE_DIAG_OPTIONS 0xf5 +#define CSMI_CC_SAS_SMP_PASSTHRU 0X17 + #define SA_FLUSH_CACHE 0x1 #define MASKED_DEVICE(lunid) ((lunid)[3] & 0xc0) @@ -1160,6 +1168,10 @@ struct bmic_identify_controller { u8 reserved3[32]; }; +#define SA_EXPANDER_SMP_DEVICE 0x05 +/*SCSI Invalid Device Type for SAS devices*/ +#define PQI_SAS_SCSI_INVALID_DEVTYPE 0xff + struct bmic_identify_physical_device { u8 scsi_bus; /* SCSI Bus number on controller */ u8 scsi_id; /* SCSI ID on this bus */ @@ -1240,6 +1252,50 @@ struct bmic_identify_physical_device { u8 padding_to_multiple_of_512[9]; }; +struct bmic_smp_request { + u8 frame_type; + u8 function; + u8 allocated_response_length; + u8 request_length; + u8 additional_request_bytes[1016]; +}; + +struct bmic_smp_response { + u8 frame_type; + u8 function; + u8 function_result; + u8 response_length; + u8 additional_response_bytes[1016]; +}; + +struct bmic_csmi_ioctl_header { + __le32 header_length; + u8 signature[8]; + __le32 timeout; + __le32 control_code; + __le32 return_code; + __le32 length; +}; + +struct bmic_csmi_smp_passthru { + u8 phy_identifier; + u8 port_identifier; + u8 connection_rate; + u8 reserved; + __be64 destination_sas_address; + __le32 request_length; + struct bmic_smp_request request; + u8 connection_status; + u8 reserved1[3]; + __le32 response_length; + struct bmic_smp_response response; +}; + +struct bmic_csmi_smp_passthru_buffer { + struct bmic_csmi_ioctl_header ioctl_header; + struct bmic_csmi_smp_passthru parameters; +}; + struct bmic_flush_cache { u8 disable_flag; u8 system_power_action; @@ -1263,6 +1319,36 @@ struct bmic_diag_options { #pragma pack() +static inline struct pqi_ctrl_info *shost_to_hba(struct Scsi_Host *shost) +{ + void *hostdata = shost_priv(shost); + + return *((struct pqi_ctrl_info **)hostdata); +} + +static inline bool pqi_ctrl_offline(struct pqi_ctrl_info *ctrl_info) +{ + return !ctrl_info->controller_online; +} + +static inline void pqi_ctrl_busy(struct pqi_ctrl_info *ctrl_info) +{ + atomic_inc(&ctrl_info->num_busy_threads); +} + +static inline void pqi_ctrl_unbusy(struct pqi_ctrl_info *ctrl_info) +{ + atomic_dec(&ctrl_info->num_busy_threads); +} + +static inline bool pqi_ctrl_blocked(struct pqi_ctrl_info *ctrl_info) +{ + return ctrl_info->block_requests; +} + +void pqi_sas_smp_handler(struct bsg_job *job, struct Scsi_Host *shost, + struct sas_rphy *rphy); + int pqi_add_sas_host(struct Scsi_Host *shost, struct pqi_ctrl_info *ctrl_info); void pqi_delete_sas_host(struct pqi_ctrl_info *ctrl_info); int pqi_add_sas_device(struct pqi_sas_node *pqi_sas_node, @@ -1271,6 +1357,9 @@ void pqi_remove_sas_device(struct pqi_scsi_dev *device); struct pqi_scsi_dev *pqi_find_device_by_sas_rphy( struct pqi_ctrl_info *ctrl_info, struct sas_rphy *rphy); void pqi_prep_for_scsi_done(struct scsi_cmnd *scmd); +int pqi_csmi_smp_passthru(struct pqi_ctrl_info *ctrl_info, + struct bmic_csmi_smp_passthru_buffer *buffer, size_t buffer_length, + struct pqi_raid_error_info *error_info); extern struct sas_function_template pqi_sas_transport_functions; diff --git a/drivers/scsi/smartpqi/smartpqi_init.c b/drivers/scsi/smartpqi/smartpqi_init.c index 509a081a6f17..96e171038eb6 100644 --- a/drivers/scsi/smartpqi/smartpqi_init.c +++ b/drivers/scsi/smartpqi/smartpqi_init.c @@ -188,13 +188,6 @@ static inline bool pqi_scsi3addr_equal(u8 *scsi3addr1, u8 *scsi3addr2) return memcmp(scsi3addr1, scsi3addr2, 8) == 0; } -static inline struct pqi_ctrl_info *shost_to_hba(struct Scsi_Host *shost) -{ - void *hostdata = shost_priv(shost); - - return *((struct pqi_ctrl_info **)hostdata); -} - static inline bool pqi_is_logical_device(struct pqi_scsi_dev *device) { return !device->is_physical_device; @@ -205,11 +198,6 @@ static inline bool pqi_is_external_raid_addr(u8 *scsi3addr) return scsi3addr[2] != 0; } -static inline bool pqi_ctrl_offline(struct pqi_ctrl_info *ctrl_info) -{ - return !ctrl_info->controller_online; -} - static inline void pqi_check_ctrl_health(struct pqi_ctrl_info *ctrl_info) { if (ctrl_info->controller_online) @@ -248,11 +236,6 @@ static inline void pqi_ctrl_unblock_requests(struct pqi_ctrl_info *ctrl_info) scsi_unblock_requests(ctrl_info->scsi_host); } -static inline bool pqi_ctrl_blocked(struct pqi_ctrl_info *ctrl_info) -{ - return ctrl_info->block_requests; -} - static unsigned long pqi_wait_if_ctrl_blocked(struct pqi_ctrl_info *ctrl_info, unsigned long timeout_msecs) { @@ -282,16 +265,6 @@ static unsigned long pqi_wait_if_ctrl_blocked(struct pqi_ctrl_info *ctrl_info, return remaining_msecs; } -static inline void pqi_ctrl_busy(struct pqi_ctrl_info *ctrl_info) -{ - atomic_inc(&ctrl_info->num_busy_threads); -} - -static inline void pqi_ctrl_unbusy(struct pqi_ctrl_info *ctrl_info) -{ - atomic_dec(&ctrl_info->num_busy_threads); -} - static inline void pqi_ctrl_wait_until_quiesced(struct pqi_ctrl_info *ctrl_info) { while (atomic_read(&ctrl_info->num_busy_threads) > @@ -472,6 +445,13 @@ static int pqi_build_raid_path_request(struct pqi_ctrl_info *ctrl_info, cdb[6] = cmd; put_unaligned_be16(cdb_length, &cdb[7]); break; + case BMIC_CSMI_PASSTHRU: + request->data_direction = SOP_BIDIRECTIONAL; + cdb[0] = BMIC_WRITE; + cdb[5] = CSMI_CC_SAS_SMP_PASSTHRU; + cdb[6] = cmd; + put_unaligned_be16(cdb_length, &cdb[7]); + break; default: dev_err(&ctrl_info->pci_dev->dev, "unknown command 0x%c\n", cmd); @@ -713,6 +693,13 @@ static int pqi_flush_cache(struct pqi_ctrl_info *ctrl_info, return rc; } +int pqi_csmi_smp_passthru(struct pqi_ctrl_info *ctrl_info, + struct bmic_csmi_smp_passthru_buffer *buffer, size_t buffer_length, + struct pqi_raid_error_info *error_info) +{ + return pqi_send_ctrl_raid_with_error(ctrl_info, BMIC_CSMI_PASSTHRU, + buffer, buffer_length, error_info); +} #define PQI_FETCH_PTRAID_DATA (1UL<<31) @@ -1298,6 +1285,9 @@ static int pqi_get_device_info(struct pqi_ctrl_info *ctrl_info, u8 *buffer; unsigned int retries; + if (device->is_expander_smp_device) + return 0; + buffer = kmalloc(64, GFP_KERNEL); if (!buffer) return -ENOMEM; @@ -1585,6 +1575,14 @@ static enum pqi_find_result pqi_scsi_find_entry(struct pqi_ctrl_info *ctrl_info, return DEVICE_NOT_FOUND; } +static inline const char *pqi_device_type(struct pqi_scsi_dev *device) +{ + if (device->is_expander_smp_device) + return "Enclosure SMP "; + + return scsi_device_type(device->devtype); +} + #define PQI_DEV_INFO_BUFFER_LENGTH 128 static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, @@ -1620,7 +1618,7 @@ static void pqi_dev_info(struct pqi_ctrl_info *ctrl_info, count += snprintf(buffer + count, PQI_DEV_INFO_BUFFER_LENGTH - count, " %s %.8s %.16s ", - scsi_device_type(device->devtype), + pqi_device_type(device), device->vendor, device->model); @@ -1665,6 +1663,8 @@ static void pqi_scsi_update_device(struct pqi_scsi_dev *existing_device, existing_device->is_physical_device = new_device->is_physical_device; existing_device->is_external_raid_device = new_device->is_external_raid_device; + existing_device->is_expander_smp_device = + new_device->is_expander_smp_device; existing_device->aio_enabled = new_device->aio_enabled; memcpy(existing_device->vendor, new_device->vendor, sizeof(existing_device->vendor)); @@ -1721,6 +1721,14 @@ static inline void pqi_fixup_botched_add(struct pqi_ctrl_info *ctrl_info, device->keep_device = false; } +static inline bool pqi_is_device_added(struct pqi_scsi_dev *device) +{ + if (device->is_expander_smp_device) + return device->sas_port != NULL; + + return device->sdev != NULL; +} + static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, struct pqi_scsi_dev *new_device_list[], unsigned int num_new_devices) { @@ -1815,7 +1823,7 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, } else { pqi_dev_info(ctrl_info, "removed", device); } - if (device->sdev) + if (pqi_is_device_added(device)) pqi_remove_device(ctrl_info, device); list_del(&device->delete_list_entry); pqi_free_device(device); @@ -1837,7 +1845,7 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, /* Expose any new devices. */ list_for_each_entry_safe(device, next, &add_list, add_list_entry) { - if (!device->sdev) { + if (!pqi_is_device_added(device)) { pqi_dev_info(ctrl_info, "added", device); rc = pqi_add_device(ctrl_info, device); if (rc) { @@ -1854,7 +1862,12 @@ static void pqi_update_device_list(struct pqi_ctrl_info *ctrl_info, static bool pqi_is_supported_device(struct pqi_scsi_dev *device) { - bool is_supported = false; + bool is_supported; + + if (device->is_expander_smp_device) + return true; + + is_supported = false; switch (device->devtype) { case TYPE_DISK: @@ -1888,6 +1901,24 @@ static inline bool pqi_skip_device(u8 *scsi3addr) return false; } +static inline bool pqi_is_device_with_sas_address(struct pqi_scsi_dev *device) +{ + if (!device->is_physical_device) + return false; + + if (device->is_expander_smp_device) + return true; + + switch (device->devtype) { + case TYPE_DISK: + case TYPE_ZBC: + case TYPE_ENCLOSURE: + return true; + } + + return false; +} + static inline bool pqi_expose_device(struct pqi_scsi_dev *device) { return !device->is_physical_device || @@ -2002,9 +2033,14 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) memcpy(device->scsi3addr, scsi3addr, sizeof(device->scsi3addr)); device->is_physical_device = is_physical_device; - if (!is_physical_device) + if (is_physical_device) { + if (phys_lun_ext_entry->device_type == + SA_EXPANDER_SMP_DEVICE) + device->is_expander_smp_device = true; + } else { device->is_external_raid_device = pqi_is_external_raid_addr(scsi3addr); + } /* Gather information about the device. */ rc = pqi_get_device_info(ctrl_info, device); @@ -2037,30 +2073,23 @@ static int pqi_update_scsi_devices(struct pqi_ctrl_info *ctrl_info) device->wwid = phys_lun_ext_entry->wwid; if ((phys_lun_ext_entry->device_flags & REPORT_PHYS_LUN_DEV_FLAG_AIO_ENABLED) && - phys_lun_ext_entry->aio_handle) + phys_lun_ext_entry->aio_handle) { device->aio_enabled = true; + device->aio_handle = + phys_lun_ext_entry->aio_handle; + } + if (device->devtype == TYPE_DISK || + device->devtype == TYPE_ZBC) { + pqi_get_physical_disk_info(ctrl_info, + device, id_phys); + } } else { memcpy(device->volume_id, log_lun_ext_entry->volume_id, sizeof(device->volume_id)); } - switch (device->devtype) { - case TYPE_DISK: - case TYPE_ZBC: - case TYPE_ENCLOSURE: - if (device->is_physical_device) { - device->sas_address = - get_unaligned_be64(&device->wwid); - if (device->devtype == TYPE_DISK || - device->devtype == TYPE_ZBC) { - device->aio_handle = - phys_lun_ext_entry->aio_handle; - pqi_get_physical_disk_info(ctrl_info, - device, id_phys); - } - } - break; - } + if (pqi_is_device_with_sas_address(device)) + device->sas_address = get_unaligned_be64(&device->wwid); new_device_list[num_valid_devices++] = device; } @@ -2103,7 +2132,7 @@ static void pqi_remove_all_scsi_devices(struct pqi_ctrl_info *ctrl_info) if (!device) break; - if (device->sdev) + if (pqi_is_device_added(device)) pqi_remove_device(ctrl_info, device); pqi_free_device(device); } diff --git a/drivers/scsi/smartpqi/smartpqi_sas_transport.c b/drivers/scsi/smartpqi/smartpqi_sas_transport.c index b209a35e482e..0e4ef215115f 100644 --- a/drivers/scsi/smartpqi/smartpqi_sas_transport.c +++ b/drivers/scsi/smartpqi/smartpqi_sas_transport.c @@ -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, }; 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