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hisi_sas: Add scan finished and start
Add functions for scsi host template scan_finished and scan_start methods. Signed-off-by: John Garry <john.garry@huawei.com> Reviewed-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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2 changed files with 26 additions and 0 deletions
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@ -156,6 +156,7 @@ struct hisi_hba {
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u8 sas_addr[SAS_ADDR_SIZE];
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int n_phy;
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int scan_finished;
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spinlock_t lock;
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struct timer_list timer;
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@ -403,6 +403,29 @@ static int hisi_sas_dev_found(struct domain_device *device)
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return 0;
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}
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static void hisi_sas_scan_start(struct Scsi_Host *shost)
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{
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struct hisi_hba *hisi_hba = shost_priv(shost);
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int i;
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for (i = 0; i < hisi_hba->n_phy; ++i)
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hisi_sas_bytes_dmaed(hisi_hba, i);
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hisi_hba->scan_finished = 1;
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}
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static int hisi_sas_scan_finished(struct Scsi_Host *shost, unsigned long time)
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{
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struct hisi_hba *hisi_hba = shost_priv(shost);
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struct sas_ha_struct *sha = &hisi_hba->sha;
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if (hisi_hba->scan_finished == 0)
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return 0;
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sas_drain_work(sha);
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return 1;
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}
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static void hisi_sas_phyup_work(struct work_struct *work)
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{
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struct hisi_sas_phy *phy =
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@ -587,6 +610,8 @@ static struct scsi_host_template hisi_sas_sht = {
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.queuecommand = sas_queuecommand,
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.target_alloc = sas_target_alloc,
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.slave_configure = sas_slave_configure,
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.scan_finished = hisi_sas_scan_finished,
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.scan_start = hisi_sas_scan_start,
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.change_queue_depth = sas_change_queue_depth,
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.bios_param = sas_bios_param,
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.can_queue = 1,
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