From: John Garry <john.garry@huawei.com>
To: <jejb@linux.vnet.ibm.com>, <martin.petersen@oracle.com>
Cc: <linux-scsi@vger.kernel.org>, <linuxarm@huawei.com>,
<linux-kernel@vger.kernel.org>, <hare@suse.com>,
<ming.lei@redhat.com>, "John Garry" <john.garry@huawei.com>
Subject: [PATCH 3/6] scsi: hisi_sas: Add bitmaps_alloc_v3_hw()
Date: Thu, 24 Oct 2019 22:21:18 +0800 [thread overview]
Message-ID: <1571926881-75524-4-git-send-email-john.garry@huawei.com> (raw)
In-Reply-To: <1571926881-75524-1-git-send-email-john.garry@huawei.com>
We will want to make this non-generic in future.
Signed-off-by: John Garry <john.garry@huawei.com>
---
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
next prev parent reply other threads:[~2019-10-24 14:24 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-24 14:21 [PATCH 0/6] hisi_sas: Expose multiple hw queues for v3 hw as experimental John Garry
2019-10-24 14:21 ` [PATCH 1/6] scsi: hisi_sas: Use sbitmap for IPTT management John Garry
2019-10-24 14:21 ` [PATCH 2/6] scsi: hisi_sas: Pass scsi_cmnd pointer to hisi_sas_hw.slot_index_alloc John Garry
2019-10-24 14:21 ` John Garry [this message]
2019-10-24 14:21 ` [PATCH 4/6] scsi: hisi_sas: Add slot_index_alloc_v3_hw() and slot_index_free_v3_hw() John Garry
2019-10-24 14:21 ` [PATCH 5/6] scsi: hisi_sas: Split interrupt_init_v3_hw() John Garry
2019-10-24 14:21 ` [PATCH 6/6] scsi: hisi_sas: Expose multiple hw queues for v3 as experimental John Garry
2019-10-27 8:19 ` Ming Lei
2019-11-11 14:02 ` John Garry
2019-11-12 11:10 ` Ming Lei
2019-11-12 13:54 ` John Garry
2019-11-12 14:35 ` John Garry
2019-10-25 16:04 ` [PATCH 0/6] hisi_sas: Expose multiple hw queues for v3 hw " John Garry
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