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scsi: hisi_sas: make SAS address of SATA disks unique

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When directly connected with SATA disks in different SAS cores, fill SAS
address with scsi_host's id to make it's fake SAS address unique.

Signed-off-by: Xiang Chen <chenxiang66@hisilicon.com>
Signed-off-by: John Garry <john.garry@huawei.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Xiang Chen 2018-03-24 00:05:08 +08:00 committed by Martin K. Petersen
parent d2d354a606
commit 8b8d665315
1 changed files with 1 additions and 0 deletions
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drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
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@ -3295,6 +3295,7 @@ static irqreturn_t sata_int_v2_hw(int irq_no, void *p)
sas_phy->oob_mode = SATA_OOB_MODE;
/* Make up some unique SAS address */
attached_sas_addr[0] = 0x50;
attached_sas_addr[6] = hisi_hba->shost->host_no;
attached_sas_addr[7] = phy_no;
memcpy(sas_phy->attached_sas_addr, attached_sas_addr, SAS_ADDR_SIZE);
memcpy(sas_phy->frame_rcvd, fis, sizeof(struct dev_to_host_fis));