netdev - [PATCH v6 04/23] Revert "nvme-tcp: remove the unused queue_size member in nvme_tcp

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Message-Id: <20221020101838.2712846-5-aaptel@nvidia.com>
Date:   Thu, 20 Oct 2022 13:18:19 +0300
From:   Aurelien Aptel <aaptel@...dia.com>
To:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        edumazet@...gle.com, pabeni@...hat.com, saeedm@...dia.com,
        tariqt@...dia.com, linux-nvme@...ts.infradead.org,
        sagi@...mberg.me, hch@....de, kbusch@...nel.org, axboe@...com,
        chaitanyak@...dia.com
Cc:     smalin@...dia.com, aaptel@...dia.com, ogerlitz@...dia.com,
        yorayz@...dia.com, borisp@...dia.com, aurelien.aptel@...il.com,
        malin1024@...il.com
Subject: [PATCH v6 04/23] Revert "nvme-tcp: remove the unused queue_size member in nvme_tcp_queue"

This reverts commit fb8745d040ef5b9080003325e56b91fefe1022bb.

The newly added NVMeTCP offload requires the field
nvme_tcp_queue->queue_size in the patch "nvme-tcp: Add DDP offload control path"
in nvme_tcp_offload_socket(). The queue size is part of struct ulp_ddp_config
parameters.

Signed-off-by: Shai Malin <smalin@...dia.com>
Signed-off-by: Aurelien Aptel <aaptel@...dia.com>
---
 drivers/nvme/host/tcp.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c
index 93e2e313fa70..10080cfd541b 100644
--- a/drivers/nvme/host/tcp.c
+++ b/drivers/nvme/host/tcp.c
@@ -133,6 +133,7 @@ struct nvme_tcp_queue {
 	/* send state */
 	struct nvme_tcp_request *request;
 
+	int			queue_size;
 	u32			maxh2cdata;
 	size_t			cmnd_capsule_len;
 	struct nvme_tcp_ctrl	*ctrl;
@@ -1475,7 +1476,8 @@ static void nvme_tcp_set_queue_io_cpu(struct nvme_tcp_queue *queue)
 	queue->io_cpu = cpumask_next_wrap(n - 1, cpu_online_mask, -1, false);
 }
 
-static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, int qid)
+static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl,
+		int qid, size_t queue_size)
 {
 	struct nvme_tcp_ctrl *ctrl = to_tcp_ctrl(nctrl);
 	struct nvme_tcp_queue *queue = &ctrl->queues[qid];
@@ -1487,6 +1489,7 @@ static int nvme_tcp_alloc_queue(struct nvme_ctrl *nctrl, int qid)
 	INIT_LIST_HEAD(&queue->send_list);
 	mutex_init(&queue->send_mutex);
 	INIT_WORK(&queue->io_work, nvme_tcp_io_work);
+	queue->queue_size = queue_size;
 
 	if (qid > 0)
 		queue->cmnd_capsule_len = nctrl->ioccsz * 16;
@@ -1734,7 +1737,7 @@ static int nvme_tcp_alloc_admin_queue(struct nvme_ctrl *ctrl)
 {
 	int ret;
 
-	ret = nvme_tcp_alloc_queue(ctrl, 0);
+	ret = nvme_tcp_alloc_queue(ctrl, 0, NVME_AQ_DEPTH);
 	if (ret)
 		return ret;
 
@@ -1754,7 +1757,7 @@ static int __nvme_tcp_alloc_io_queues(struct nvme_ctrl *ctrl)
 	int i, ret;
 
 	for (i = 1; i < ctrl->queue_count; i++) {
-		ret = nvme_tcp_alloc_queue(ctrl, i);
+		ret = nvme_tcp_alloc_queue(ctrl, i, ctrl->sqsize + 1);
 		if (ret)
 			goto out_free_queues;
 	}
-- 
2.31.1