From: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
Add code for interface get_wideport_bitmap.
Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
Signed-off-by: Xiang Chen <chenxiang66@xxxxxxxxxxxxx>
---
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index ef5c158..3cd4b9a 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -629,6 +629,18 @@ static void sl_notify_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
}
+static int get_wideport_bitmap_v3_hw(struct hisi_hba *hisi_hba, int port_id)
+{
+ int i, bitmap = 0;
+ u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
+
+ for (i = 0; i < hisi_hba->n_phy; i++)
+ if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
+ bitmap |= 1 << i;
+
+ return bitmap;
+}
+
/**
* The callpath to this function and upto writing the write
* queue pointer should be safe from interruption.
@@ -1550,6 +1562,7 @@ static int hisi_sas_v3_init(struct hisi_hba *hisi_hba)
.hw_init = hisi_sas_v3_init,
.setup_itct = setup_itct_v3_hw,
.max_command_entries = HISI_SAS_COMMAND_ENTRIES_V3_HW,
+ .get_wideport_bitmap = get_wideport_bitmap_v3_hw,
.complete_hdr_size = sizeof(struct hisi_sas_complete_v3_hdr),
.free_device = free_device_v3_hw,
.sl_notify = sl_notify_v3_hw,
--
1.9.1
