[PATCH 3/6] scsi: hisi_sas: Add bitmaps_alloc_v3_hw()

From: John Garry
Date: Thu Oct 24 2019 - 10:24:57 EST


We will want to make this non-generic in future.

Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
---
drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 2ae7070db41a..a46717efb870 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -556,6 +556,13 @@ static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
readl_poll_timeout_atomic(regs, val, cond, delay_us, timeout_us);\
})

+static int bitmaps_alloc_v3_hw(struct hisi_hba *hisi_hba)
+{
+ return sbitmap_init_node(&hisi_hba->slot_index_tags,
+ HISI_SAS_UNRESERVED_IPTT, -1,
+ GFP_KERNEL, dev_to_node(hisi_hba->dev));
+}
+
static void init_reg_v3_hw(struct hisi_hba *hisi_hba)
{
int i;
@@ -3083,6 +3090,7 @@ static struct scsi_host_template sht_v3_hw = {
static const struct hisi_sas_hw hisi_sas_v3_hw = {
.hw_init = hisi_sas_v3_init,
.setup_itct = setup_itct_v3_hw,
+ .bitmaps_alloc = bitmaps_alloc_v3_hw,
.get_wideport_bitmap = get_wideport_bitmap_v3_hw,
.complete_hdr_size = sizeof(struct hisi_sas_complete_v3_hdr),
.clear_itct = clear_itct_v3_hw,
--
2.17.1