static int srp_host_setup(struct transport_container *tc, struct device *dev,
struct device *cdev)
{
struct Scsi_Host *shost = dev_to_shost(dev);
struct srp_host_attrs *srp_host = to_srp_host_attrs(shost);
atomic_set(&srp_host->next_port_id, 0);
return 0;
}
/**
* bnx2i_dev_to_hba - maps dev pointer to adapter struct
* @dev: device pointer
*
* Map device to hba structure
*/
static inline struct bnx2i_hba *bnx2i_dev_to_hba(struct device *dev)
{
#if (defined(__RHELS_DISTRO_5__))
/* TODO: is the shost_gendev what we want here? or
do we want the actual class_dev */
struct Scsi_Host *shost = dev_to_shost(dev);
#else
struct Scsi_Host *shost = class_to_shost(dev);
#endif
return iscsi_host_priv(shost);
}
static __devexit int
sim710_device_remove(struct device *dev)
{
struct Scsi_Host *host = dev_to_shost(dev);
struct NCR_700_Host_Parameters *hostdata =
(struct NCR_700_Host_Parameters *)host->hostdata[0];
scsi_remove_host(host);
NCR_700_release(host);
kfree(hostdata);
free_irq(host->irq, host);
release_region(host->base, 64);
return 0;
}
static ssize_t store_srp_rport_delete(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
struct srp_rport *rport = transport_class_to_srp_rport(dev);
struct Scsi_Host *shost = dev_to_shost(dev);
struct srp_internal *i = to_srp_internal(shost->transportt);
if (i->f->rport_delete) {
i->f->rport_delete(rport);
return count;
} else {
return -ENOSYS;
}
}
static int zfcp_sysfs_adapter_ex_config(struct device *dev,
struct fsf_statistics_info *stat_inf)
{
struct Scsi_Host *scsi_host = dev_to_shost(dev);
struct fsf_qtcb_bottom_config *qtcb_config;
struct zfcp_adapter *adapter;
int retval;
adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
return -EOPNOTSUPP;
qtcb_config = kzalloc(sizeof(struct fsf_qtcb_bottom_config),
GFP_KERNEL);
if (!qtcb_config)
return -ENOMEM;
retval = zfcp_fsf_exchange_config_data_sync(adapter->qdio, qtcb_config);
if (!retval)
*stat_inf = qtcb_config->stat_info;
kfree(qtcb_config);
return retval;
}
static ssize_t zfcp_sysfs_adapter_util_show(struct device *dev,
struct device_attribute *attr,
char *buf)
{
struct Scsi_Host *scsi_host = dev_to_shost(dev);
struct fsf_qtcb_bottom_port *qtcb_port;
struct zfcp_adapter *adapter;
int retval;
adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
return -EOPNOTSUPP;
qtcb_port = kzalloc(sizeof(struct fsf_qtcb_bottom_port), GFP_KERNEL);
if (!qtcb_port)
return -ENOMEM;
retval = zfcp_fsf_exchange_port_data_sync(adapter->qdio, qtcb_port);
if (!retval)
retval = sprintf(buf, "%u %u %u\n", qtcb_port->cp_util,
qtcb_port->cb_util, qtcb_port->a_util);
kfree(qtcb_port);
return retval;
}
struct Scsi_Host *
bfad_os_starget_to_shost(struct scsi_target *starget)
{
return dev_to_shost(starget->dev.parent);
}
static inline struct Scsi_Host *rport_to_shost(struct srp_rport *r)
{
return dev_to_shost(r->dev.parent);
}
static int ufs_bsg_request(struct bsg_job *job)
{
struct ufs_bsg_request *bsg_request = job->request;
struct ufs_bsg_reply *bsg_reply = job->reply;
struct ufs_hba *hba = shost_priv(dev_to_shost(job->dev->parent));
unsigned int req_len = job->request_len;
unsigned int reply_len = job->reply_len;
struct uic_command uc = {};
int msgcode;
uint8_t *desc_buff = NULL;
int desc_len = 0;
enum query_opcode desc_op = UPIU_QUERY_OPCODE_NOP;
int ret;
ret = ufs_bsg_verify_query_size(hba, req_len, reply_len);
if (ret)
goto out;
bsg_reply->reply_payload_rcv_len = 0;
msgcode = bsg_request->msgcode;
switch (msgcode) {
case UPIU_TRANSACTION_QUERY_REQ:
desc_op = bsg_request->upiu_req.qr.opcode;
ret = ufs_bsg_alloc_desc_buffer(hba, job, &desc_buff,
&desc_len, desc_op);
if (ret)
goto out;
/* fall through */
case UPIU_TRANSACTION_NOP_OUT:
case UPIU_TRANSACTION_TASK_REQ:
ret = ufshcd_exec_raw_upiu_cmd(hba, &bsg_request->upiu_req,
&bsg_reply->upiu_rsp, msgcode,
desc_buff, &desc_len, desc_op);
if (ret)
dev_err(hba->dev,
"exe raw upiu: error code %d\n", ret);
break;
case UPIU_TRANSACTION_UIC_CMD:
memcpy(&uc, &bsg_request->upiu_req.uc, UIC_CMD_SIZE);
ret = ufshcd_send_uic_cmd(hba, &uc);
if (ret)
dev_dbg(hba->dev,
"send uic cmd: error code %d\n", ret);
memcpy(&bsg_reply->upiu_rsp.uc, &uc, UIC_CMD_SIZE);
break;
default:
ret = -ENOTSUPP;
dev_err(hba->dev, "unsupported msgcode 0x%x\n", msgcode);
break;
}
if (!desc_buff)
goto out;
if (desc_op == UPIU_QUERY_OPCODE_READ_DESC && desc_len)
bsg_reply->reply_payload_rcv_len =
sg_copy_from_buffer(job->request_payload.sg_list,
job->request_payload.sg_cnt,
desc_buff, desc_len);
kfree(desc_buff);
out:
bsg_reply->result = ret;
job->reply_len = sizeof(struct ufs_bsg_reply);
bsg_job_done(job, ret, bsg_reply->reply_payload_rcv_len);
return ret;
}
