mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-18 06:40:49 +07:00
Merge branch 'nvme-4.16' of git://git.infradead.org/nvme into for-4.16/block
Pull NVMe fixes from Christoph: "The additional week before the 4.15 release gave us time for a few more nvme fixes, as well as the nifty trace points from Johannes" * 'nvme-4.16' of git://git.infradead.org/nvme: nvme: add tracepoint for nvme_complete_rq nvme: add tracepoint for nvme_setup_cmd nvme-pci: introduce RECONNECTING state to mark initializing procedure nvme-rdma: remove redundant boolean for inline_data nvme: don't free uuid pointer before printing it nvme-pci: Suspend queues after deleting them nvme-pci: Fix queue double allocations
This commit is contained in:
commit
b16791de6d
@ -1,4 +1,7 @@
|
||||
# SPDX-License-Identifier: GPL-2.0
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ccflags-y += -I$(src)
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|
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obj-$(CONFIG_NVME_CORE) += nvme-core.o
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obj-$(CONFIG_BLK_DEV_NVME) += nvme.o
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obj-$(CONFIG_NVME_FABRICS) += nvme-fabrics.o
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@ -6,6 +9,7 @@ obj-$(CONFIG_NVME_RDMA) += nvme-rdma.o
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obj-$(CONFIG_NVME_FC) += nvme-fc.o
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|
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nvme-core-y := core.o
|
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nvme-core-$(CONFIG_TRACING) += trace.o
|
||||
nvme-core-$(CONFIG_NVME_MULTIPATH) += multipath.o
|
||||
nvme-core-$(CONFIG_NVM) += lightnvm.o
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|
@ -29,6 +29,9 @@
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#include <linux/pm_qos.h>
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#include <asm/unaligned.h>
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#define CREATE_TRACE_POINTS
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#include "trace.h"
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#include "nvme.h"
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#include "fabrics.h"
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@ -217,6 +220,8 @@ void nvme_complete_rq(struct request *req)
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{
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blk_status_t status = nvme_error_status(req);
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trace_nvme_complete_rq(req);
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if (unlikely(status != BLK_STS_OK && nvme_req_needs_retry(req))) {
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if (nvme_req_needs_failover(req, status)) {
|
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nvme_failover_req(req);
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@ -260,7 +265,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl,
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switch (new_state) {
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case NVME_CTRL_ADMIN_ONLY:
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switch (old_state) {
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case NVME_CTRL_RESETTING:
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case NVME_CTRL_RECONNECTING:
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changed = true;
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/* FALLTHRU */
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default:
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@ -628,6 +633,10 @@ blk_status_t nvme_setup_cmd(struct nvme_ns *ns, struct request *req,
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}
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cmd->common.command_id = req->tag;
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if (ns)
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trace_nvme_setup_nvm_cmd(req->q->id, cmd);
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else
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trace_nvme_setup_admin_cmd(cmd);
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return ret;
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}
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EXPORT_SYMBOL_GPL(nvme_setup_cmd);
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|
@ -739,12 +739,13 @@ static int nvmf_parse_options(struct nvmf_ctrl_options *opts,
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goto out;
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||||
}
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ret = uuid_parse(p, &hostid);
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kfree(p);
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||||
if (ret) {
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pr_err("Invalid hostid %s\n", p);
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ret = -EINVAL;
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kfree(p);
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goto out;
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}
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kfree(p);
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break;
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case NVMF_OPT_DUP_CONNECT:
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opts->duplicate_connect = true;
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|
@ -1140,9 +1140,14 @@ static bool nvme_should_reset(struct nvme_dev *dev, u32 csts)
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*/
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bool nssro = dev->subsystem && (csts & NVME_CSTS_NSSRO);
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/* If there is a reset ongoing, we shouldn't reset again. */
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if (dev->ctrl.state == NVME_CTRL_RESETTING)
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/* If there is a reset/reinit ongoing, we shouldn't reset again. */
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switch (dev->ctrl.state) {
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case NVME_CTRL_RESETTING:
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case NVME_CTRL_RECONNECTING:
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return false;
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default:
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break;
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}
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/* We shouldn't reset unless the controller is on fatal error state
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* _or_ if we lost the communication with it.
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@ -1324,9 +1329,6 @@ static void nvme_disable_admin_queue(struct nvme_dev *dev, bool shutdown)
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{
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struct nvme_queue *nvmeq = &dev->queues[0];
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||||
|
||||
if (nvme_suspend_queue(nvmeq))
|
||||
return;
|
||||
|
||||
if (shutdown)
|
||||
nvme_shutdown_ctrl(&dev->ctrl);
|
||||
else
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||||
@ -1384,6 +1386,9 @@ static int nvme_alloc_queue(struct nvme_dev *dev, int qid,
|
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{
|
||||
struct nvme_queue *nvmeq = &dev->queues[qid];
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||||
|
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if (dev->ctrl.queue_count > qid)
|
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return 0;
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||||
|
||||
nvmeq->cqes = dma_zalloc_coherent(dev->dev, CQ_SIZE(depth),
|
||||
&nvmeq->cq_dma_addr, GFP_KERNEL);
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if (!nvmeq->cqes)
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@ -2008,9 +2013,9 @@ static int nvme_delete_queue(struct nvme_queue *nvmeq, u8 opcode)
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return 0;
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||||
}
|
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|
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static void nvme_disable_io_queues(struct nvme_dev *dev, int queues)
|
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static void nvme_disable_io_queues(struct nvme_dev *dev)
|
||||
{
|
||||
int pass;
|
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int pass, queues = dev->online_queues - 1;
|
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unsigned long timeout;
|
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u8 opcode = nvme_admin_delete_sq;
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|
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@ -2161,7 +2166,7 @@ static void nvme_pci_disable(struct nvme_dev *dev)
|
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|
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static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown)
|
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{
|
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int i, queues;
|
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int i;
|
||||
bool dead = true;
|
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struct pci_dev *pdev = to_pci_dev(dev->dev);
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@ -2196,21 +2201,13 @@ static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown)
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}
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nvme_stop_queues(&dev->ctrl);
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|
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queues = dev->online_queues - 1;
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for (i = dev->ctrl.queue_count - 1; i > 0; i--)
|
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nvme_suspend_queue(&dev->queues[i]);
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||||
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if (dead) {
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/* A device might become IO incapable very soon during
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* probe, before the admin queue is configured. Thus,
|
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* queue_count can be 0 here.
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*/
|
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if (dev->ctrl.queue_count)
|
||||
nvme_suspend_queue(&dev->queues[0]);
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||||
} else {
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nvme_disable_io_queues(dev, queues);
|
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if (!dead) {
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nvme_disable_io_queues(dev);
|
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nvme_disable_admin_queue(dev, shutdown);
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}
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for (i = dev->ctrl.queue_count - 1; i >= 0; i--)
|
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nvme_suspend_queue(&dev->queues[i]);
|
||||
|
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nvme_pci_disable(dev);
|
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|
||||
blk_mq_tagset_busy_iter(&dev->tagset, nvme_cancel_request, &dev->ctrl);
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@ -2292,6 +2289,16 @@ static void nvme_reset_work(struct work_struct *work)
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if (dev->ctrl.ctrl_config & NVME_CC_ENABLE)
|
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nvme_dev_disable(dev, false);
|
||||
|
||||
/*
|
||||
* Introduce RECONNECTING state from nvme-fc/rdma transports to mark the
|
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* initializing procedure here.
|
||||
*/
|
||||
if (!nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_RECONNECTING)) {
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dev_warn(dev->ctrl.device,
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"failed to mark controller RECONNECTING\n");
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goto out;
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}
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result = nvme_pci_enable(dev);
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if (result)
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goto out;
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|
@ -66,7 +66,6 @@ struct nvme_rdma_request {
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struct ib_sge sge[1 + NVME_RDMA_MAX_INLINE_SEGMENTS];
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u32 num_sge;
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int nents;
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bool inline_data;
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struct ib_reg_wr reg_wr;
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struct ib_cqe reg_cqe;
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struct nvme_rdma_queue *queue;
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@ -1086,7 +1085,6 @@ static int nvme_rdma_map_sg_inline(struct nvme_rdma_queue *queue,
|
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sg->length = cpu_to_le32(sg_dma_len(req->sg_table.sgl));
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sg->type = (NVME_SGL_FMT_DATA_DESC << 4) | NVME_SGL_FMT_OFFSET;
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req->inline_data = true;
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req->num_sge++;
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return 0;
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}
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@ -1158,7 +1156,6 @@ static int nvme_rdma_map_data(struct nvme_rdma_queue *queue,
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int count, ret;
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req->num_sge = 1;
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req->inline_data = false;
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refcount_set(&req->ref, 2); /* send and recv completions */
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c->common.flags |= NVME_CMD_SGL_METABUF;
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|
130
drivers/nvme/host/trace.c
Normal file
130
drivers/nvme/host/trace.c
Normal file
@ -0,0 +1,130 @@
|
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/*
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* NVM Express device driver tracepoints
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* Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH
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*
|
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* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*/
|
||||
|
||||
#include <asm/unaligned.h>
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||||
#include "trace.h"
|
||||
|
||||
static const char *nvme_trace_create_sq(struct trace_seq *p, u8 *cdw10)
|
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{
|
||||
const char *ret = trace_seq_buffer_ptr(p);
|
||||
u16 sqid = get_unaligned_le16(cdw10);
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u16 qsize = get_unaligned_le16(cdw10 + 2);
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||||
u16 sq_flags = get_unaligned_le16(cdw10 + 4);
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u16 cqid = get_unaligned_le16(cdw10 + 6);
|
||||
|
||||
|
||||
trace_seq_printf(p, "sqid=%u, qsize=%u, sq_flags=0x%x, cqid=%u",
|
||||
sqid, qsize, sq_flags, cqid);
|
||||
trace_seq_putc(p, 0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const char *nvme_trace_create_cq(struct trace_seq *p, u8 *cdw10)
|
||||
{
|
||||
const char *ret = trace_seq_buffer_ptr(p);
|
||||
u16 cqid = get_unaligned_le16(cdw10);
|
||||
u16 qsize = get_unaligned_le16(cdw10 + 2);
|
||||
u16 cq_flags = get_unaligned_le16(cdw10 + 4);
|
||||
u16 irq_vector = get_unaligned_le16(cdw10 + 6);
|
||||
|
||||
trace_seq_printf(p, "cqid=%u, qsize=%u, cq_flags=0x%x, irq_vector=%u",
|
||||
cqid, qsize, cq_flags, irq_vector);
|
||||
trace_seq_putc(p, 0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const char *nvme_trace_admin_identify(struct trace_seq *p, u8 *cdw10)
|
||||
{
|
||||
const char *ret = trace_seq_buffer_ptr(p);
|
||||
u8 cns = cdw10[0];
|
||||
u16 ctrlid = get_unaligned_le16(cdw10 + 2);
|
||||
|
||||
trace_seq_printf(p, "cns=%u, ctrlid=%u", cns, ctrlid);
|
||||
trace_seq_putc(p, 0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
|
||||
static const char *nvme_trace_read_write(struct trace_seq *p, u8 *cdw10)
|
||||
{
|
||||
const char *ret = trace_seq_buffer_ptr(p);
|
||||
u64 slba = get_unaligned_le64(cdw10);
|
||||
u16 length = get_unaligned_le16(cdw10 + 8);
|
||||
u16 control = get_unaligned_le16(cdw10 + 10);
|
||||
u32 dsmgmt = get_unaligned_le32(cdw10 + 12);
|
||||
u32 reftag = get_unaligned_le32(cdw10 + 16);
|
||||
|
||||
trace_seq_printf(p,
|
||||
"slba=%llu, len=%u, ctrl=0x%x, dsmgmt=%u, reftag=%u",
|
||||
slba, length, control, dsmgmt, reftag);
|
||||
trace_seq_putc(p, 0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const char *nvme_trace_dsm(struct trace_seq *p, u8 *cdw10)
|
||||
{
|
||||
const char *ret = trace_seq_buffer_ptr(p);
|
||||
|
||||
trace_seq_printf(p, "nr=%u, attributes=%u",
|
||||
get_unaligned_le32(cdw10),
|
||||
get_unaligned_le32(cdw10 + 4));
|
||||
trace_seq_putc(p, 0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static const char *nvme_trace_common(struct trace_seq *p, u8 *cdw10)
|
||||
{
|
||||
const char *ret = trace_seq_buffer_ptr(p);
|
||||
|
||||
trace_seq_printf(p, "cdw10=%*ph", 24, cdw10);
|
||||
trace_seq_putc(p, 0);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
const char *nvme_trace_parse_admin_cmd(struct trace_seq *p,
|
||||
u8 opcode, u8 *cdw10)
|
||||
{
|
||||
switch (opcode) {
|
||||
case nvme_admin_create_sq:
|
||||
return nvme_trace_create_sq(p, cdw10);
|
||||
case nvme_admin_create_cq:
|
||||
return nvme_trace_create_cq(p, cdw10);
|
||||
case nvme_admin_identify:
|
||||
return nvme_trace_admin_identify(p, cdw10);
|
||||
default:
|
||||
return nvme_trace_common(p, cdw10);
|
||||
}
|
||||
}
|
||||
|
||||
const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p,
|
||||
u8 opcode, u8 *cdw10)
|
||||
{
|
||||
switch (opcode) {
|
||||
case nvme_cmd_read:
|
||||
case nvme_cmd_write:
|
||||
case nvme_cmd_write_zeroes:
|
||||
return nvme_trace_read_write(p, cdw10);
|
||||
case nvme_cmd_dsm:
|
||||
return nvme_trace_dsm(p, cdw10);
|
||||
default:
|
||||
return nvme_trace_common(p, cdw10);
|
||||
}
|
||||
}
|
165
drivers/nvme/host/trace.h
Normal file
165
drivers/nvme/host/trace.h
Normal file
@ -0,0 +1,165 @@
|
||||
/*
|
||||
* NVM Express device driver tracepoints
|
||||
* Copyright (c) 2018 Johannes Thumshirn, SUSE Linux GmbH
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify it
|
||||
* under the terms and conditions of the GNU General Public License,
|
||||
* version 2, as published by the Free Software Foundation.
|
||||
*
|
||||
* This program is distributed in the hope it will be useful, but WITHOUT
|
||||
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
||||
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
||||
* more details.
|
||||
*/
|
||||
|
||||
#undef TRACE_SYSTEM
|
||||
#define TRACE_SYSTEM nvme
|
||||
|
||||
#if !defined(_TRACE_NVME_H) || defined(TRACE_HEADER_MULTI_READ)
|
||||
#define _TRACE_NVME_H
|
||||
|
||||
#include <linux/nvme.h>
|
||||
#include <linux/tracepoint.h>
|
||||
#include <linux/trace_seq.h>
|
||||
|
||||
#include "nvme.h"
|
||||
|
||||
#define nvme_admin_opcode_name(opcode) { opcode, #opcode }
|
||||
#define show_admin_opcode_name(val) \
|
||||
__print_symbolic(val, \
|
||||
nvme_admin_opcode_name(nvme_admin_delete_sq), \
|
||||
nvme_admin_opcode_name(nvme_admin_create_sq), \
|
||||
nvme_admin_opcode_name(nvme_admin_get_log_page), \
|
||||
nvme_admin_opcode_name(nvme_admin_delete_cq), \
|
||||
nvme_admin_opcode_name(nvme_admin_create_cq), \
|
||||
nvme_admin_opcode_name(nvme_admin_identify), \
|
||||
nvme_admin_opcode_name(nvme_admin_abort_cmd), \
|
||||
nvme_admin_opcode_name(nvme_admin_set_features), \
|
||||
nvme_admin_opcode_name(nvme_admin_get_features), \
|
||||
nvme_admin_opcode_name(nvme_admin_async_event), \
|
||||
nvme_admin_opcode_name(nvme_admin_ns_mgmt), \
|
||||
nvme_admin_opcode_name(nvme_admin_activate_fw), \
|
||||
nvme_admin_opcode_name(nvme_admin_download_fw), \
|
||||
nvme_admin_opcode_name(nvme_admin_ns_attach), \
|
||||
nvme_admin_opcode_name(nvme_admin_keep_alive), \
|
||||
nvme_admin_opcode_name(nvme_admin_directive_send), \
|
||||
nvme_admin_opcode_name(nvme_admin_directive_recv), \
|
||||
nvme_admin_opcode_name(nvme_admin_dbbuf), \
|
||||
nvme_admin_opcode_name(nvme_admin_format_nvm), \
|
||||
nvme_admin_opcode_name(nvme_admin_security_send), \
|
||||
nvme_admin_opcode_name(nvme_admin_security_recv), \
|
||||
nvme_admin_opcode_name(nvme_admin_sanitize_nvm))
|
||||
|
||||
const char *nvme_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode,
|
||||
u8 *cdw10);
|
||||
#define __parse_nvme_admin_cmd(opcode, cdw10) \
|
||||
nvme_trace_parse_admin_cmd(p, opcode, cdw10)
|
||||
|
||||
#define nvme_opcode_name(opcode) { opcode, #opcode }
|
||||
#define show_opcode_name(val) \
|
||||
__print_symbolic(val, \
|
||||
nvme_opcode_name(nvme_cmd_flush), \
|
||||
nvme_opcode_name(nvme_cmd_write), \
|
||||
nvme_opcode_name(nvme_cmd_read), \
|
||||
nvme_opcode_name(nvme_cmd_write_uncor), \
|
||||
nvme_opcode_name(nvme_cmd_compare), \
|
||||
nvme_opcode_name(nvme_cmd_write_zeroes), \
|
||||
nvme_opcode_name(nvme_cmd_dsm), \
|
||||
nvme_opcode_name(nvme_cmd_resv_register), \
|
||||
nvme_opcode_name(nvme_cmd_resv_report), \
|
||||
nvme_opcode_name(nvme_cmd_resv_acquire), \
|
||||
nvme_opcode_name(nvme_cmd_resv_release))
|
||||
|
||||
const char *nvme_trace_parse_nvm_cmd(struct trace_seq *p, u8 opcode,
|
||||
u8 *cdw10);
|
||||
#define __parse_nvme_cmd(opcode, cdw10) \
|
||||
nvme_trace_parse_nvm_cmd(p, opcode, cdw10)
|
||||
|
||||
TRACE_EVENT(nvme_setup_admin_cmd,
|
||||
TP_PROTO(struct nvme_command *cmd),
|
||||
TP_ARGS(cmd),
|
||||
TP_STRUCT__entry(
|
||||
__field(u8, opcode)
|
||||
__field(u8, flags)
|
||||
__field(u16, cid)
|
||||
__field(u64, metadata)
|
||||
__array(u8, cdw10, 24)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__entry->opcode = cmd->common.opcode;
|
||||
__entry->flags = cmd->common.flags;
|
||||
__entry->cid = cmd->common.command_id;
|
||||
__entry->metadata = le64_to_cpu(cmd->common.metadata);
|
||||
memcpy(__entry->cdw10, cmd->common.cdw10,
|
||||
sizeof(__entry->cdw10));
|
||||
),
|
||||
TP_printk(" cmdid=%u, flags=0x%x, meta=0x%llx, cmd=(%s %s)",
|
||||
__entry->cid, __entry->flags, __entry->metadata,
|
||||
show_admin_opcode_name(__entry->opcode),
|
||||
__parse_nvme_admin_cmd(__entry->opcode, __entry->cdw10))
|
||||
);
|
||||
|
||||
|
||||
TRACE_EVENT(nvme_setup_nvm_cmd,
|
||||
TP_PROTO(int qid, struct nvme_command *cmd),
|
||||
TP_ARGS(qid, cmd),
|
||||
TP_STRUCT__entry(
|
||||
__field(int, qid)
|
||||
__field(u8, opcode)
|
||||
__field(u8, flags)
|
||||
__field(u16, cid)
|
||||
__field(u32, nsid)
|
||||
__field(u64, metadata)
|
||||
__array(u8, cdw10, 24)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__entry->qid = qid;
|
||||
__entry->opcode = cmd->common.opcode;
|
||||
__entry->flags = cmd->common.flags;
|
||||
__entry->cid = cmd->common.command_id;
|
||||
__entry->nsid = le32_to_cpu(cmd->common.nsid);
|
||||
__entry->metadata = le64_to_cpu(cmd->common.metadata);
|
||||
memcpy(__entry->cdw10, cmd->common.cdw10,
|
||||
sizeof(__entry->cdw10));
|
||||
),
|
||||
TP_printk("qid=%d, nsid=%u, cmdid=%u, flags=0x%x, meta=0x%llx, cmd=(%s %s)",
|
||||
__entry->qid, __entry->nsid, __entry->cid,
|
||||
__entry->flags, __entry->metadata,
|
||||
show_opcode_name(__entry->opcode),
|
||||
__parse_nvme_cmd(__entry->opcode, __entry->cdw10))
|
||||
);
|
||||
|
||||
TRACE_EVENT(nvme_complete_rq,
|
||||
TP_PROTO(struct request *req),
|
||||
TP_ARGS(req),
|
||||
TP_STRUCT__entry(
|
||||
__field(int, qid)
|
||||
__field(int, cid)
|
||||
__field(u64, result)
|
||||
__field(u8, retries)
|
||||
__field(u8, flags)
|
||||
__field(u16, status)
|
||||
),
|
||||
TP_fast_assign(
|
||||
__entry->qid = req->q->id;
|
||||
__entry->cid = req->tag;
|
||||
__entry->result = le64_to_cpu(nvme_req(req)->result.u64);
|
||||
__entry->retries = nvme_req(req)->retries;
|
||||
__entry->flags = nvme_req(req)->flags;
|
||||
__entry->status = nvme_req(req)->status;
|
||||
),
|
||||
TP_printk("cmdid=%u, qid=%d, res=%llu, retries=%u, flags=0x%x, status=%u",
|
||||
__entry->cid, __entry->qid, __entry->result,
|
||||
__entry->retries, __entry->flags, __entry->status)
|
||||
|
||||
);
|
||||
|
||||
#endif /* _TRACE_NVME_H */
|
||||
|
||||
#undef TRACE_INCLUDE_PATH
|
||||
#define TRACE_INCLUDE_PATH .
|
||||
#undef TRACE_INCLUDE_FILE
|
||||
#define TRACE_INCLUDE_FILE trace
|
||||
|
||||
/* This part must be outside protection */
|
||||
#include <trace/define_trace.h>
|
Loading…
Reference in New Issue
Block a user