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nvme fixes for Linux 6.11

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- Fix request without payloads cleanup  (Leon)
  - Use new protection information format (Francis)
  - Improved debug message for lost pci link (Bart)
  - Another apst quirk (Wang)
  - Use appropriate sysfs api for printing chars (Markus)
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Merge tag 'nvme-6.11-2024-07-26' of git://git.infradead.org/nvme into block-6.11

Pull NVMe fixes from Keith:

"nvme fixes for Linux 6.11

 - Fix request without payloads cleanup  (Leon)
 - Use new protection information format (Francis)
 - Improved debug message for lost pci link (Bart)
 - Another apst quirk (Wang)
 - Use appropriate sysfs api for printing chars (Markus)"

* tag 'nvme-6.11-2024-07-26' of git://git.infradead.org/nvme:
  nvme-pci: add missing condition check for existence of mapped data
  nvme-core: choose PIF from QPIF if QPIFS supports and PIF is QTYPE
  nvme-pci: Fix the instructions for disabling power management
  nvme: remove redundant bdev local variable
  nvme-fabrics: Use seq_putc() in __nvmf_concat_opt_tokens()
  nvme/pci: Add APST quirk for Lenovo N60z laptop
This commit is contained in:
Jens Axboe 2024-07-26 08:06:15 -06:00
commit f6bb5254b7
5 changed files with 30 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/nvme/host/core.c
View File

@ -1876,12 +1876,18 @@ static void nvme_configure_pi_elbas(struct nvme_ns_head *head,
struct nvme_id_ns *id, struct nvme_id_ns_nvm *nvm)
{
u32 elbaf = le32_to_cpu(nvm->elbaf[nvme_lbaf_index(id->flbas)]);
u8 guard_type;
/* no support for storage tag formats right now */
if (nvme_elbaf_sts(elbaf))
return;
head->guard_type = nvme_elbaf_guard_type(elbaf);
guard_type = nvme_elbaf_guard_type(elbaf);
if ((nvm->pic & NVME_ID_NS_NVM_QPIFS) &&
guard_type == NVME_NVM_NS_QTYPE_GUARD)
guard_type = nvme_elbaf_qualified_guard_type(elbaf);
head->guard_type = guard_type;
switch (head->guard_type) {
case NVME_NVM_NS_64B_GUARD:
head->pi_size = sizeof(struct crc64_pi_tuple);

4
drivers/nvme/host/fabrics.c
View File

@ -1403,10 +1403,10 @@ static void __nvmf_concat_opt_tokens(struct seq_file *seq_file)
tok = &opt_tokens[idx];
if (tok->token == NVMF_OPT_ERR)
continue;
seq_puts(seq_file, ",");
seq_putc(seq_file, ',');
seq_puts(seq_file, tok->pattern);
}
seq_puts(seq_file, "\n");
seq_putc(seq_file, '\n');
}
static int nvmf_dev_show(struct seq_file *seq_file, void *private)

12
drivers/nvme/host/pci.c
View File

@ -863,7 +863,8 @@ static blk_status_t nvme_prep_rq(struct nvme_dev *dev, struct request *req)
nvme_start_request(req);
return BLK_STS_OK;
out_unmap_data:
nvme_unmap_data(dev, req);
if (blk_rq_nr_phys_segments(req))
nvme_unmap_data(dev, req);
out_free_cmd:
nvme_cleanup_cmd(req);
return ret;
@ -1309,7 +1310,7 @@ static void nvme_warn_reset(struct nvme_dev *dev, u32 csts)
dev_warn(dev->ctrl.device,
"Does your device have a faulty power saving mode enabled?\n");
dev_warn(dev->ctrl.device,
"Try \"nvme_core.default_ps_max_latency_us=0 pcie_aspm=off\" and report a bug\n");
"Try \"nvme_core.default_ps_max_latency_us=0 pcie_aspm=off pcie_port_pm=off\" and report a bug\n");
}
static enum blk_eh_timer_return nvme_timeout(struct request *req)
@ -2968,6 +2969,13 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev)
return NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND;
}
/*
* NVMe SSD drops off the PCIe bus after system idle
* for 10 hours on a Lenovo N60z board.
*/
if (dmi_match(DMI_BOARD_NAME, "LXKT-ZXEG-N6"))
return NVME_QUIRK_NO_APST;
return 0;
}

5
drivers/nvme/host/sysfs.c
View File

@ -233,13 +233,12 @@ static ssize_t nuse_show(struct device *dev, struct device_attribute *attr,
{
struct nvme_ns_head *head = dev_to_ns_head(dev);
struct gendisk *disk = dev_to_disk(dev);
struct block_device *bdev = disk->part0;
int ret;
if (nvme_disk_is_ns_head(bdev->bd_disk))
if (nvme_disk_is_ns_head(disk))
ret = ns_head_update_nuse(head);
else
ret = ns_update_nuse(bdev->bd_disk->private_data);
ret = ns_update_nuse(disk->private_data);
if (ret)
return ret;

9
include/linux/nvme.h
View File

@ -485,6 +485,9 @@ enum {
NVME_ID_NS_NVM_STS_MASK = 0x7f,
NVME_ID_NS_NVM_GUARD_SHIFT = 7,
NVME_ID_NS_NVM_GUARD_MASK = 0x3,
NVME_ID_NS_NVM_QPIF_SHIFT = 9,
NVME_ID_NS_NVM_QPIF_MASK = 0xf,
NVME_ID_NS_NVM_QPIFS = 1 << 3,
};
static inline __u8 nvme_elbaf_sts(__u32 elbaf)
@ -497,6 +500,11 @@ static inline __u8 nvme_elbaf_guard_type(__u32 elbaf)
return (elbaf >> NVME_ID_NS_NVM_GUARD_SHIFT) & NVME_ID_NS_NVM_GUARD_MASK;
}
static inline __u8 nvme_elbaf_qualified_guard_type(__u32 elbaf)
{
return (elbaf >> NVME_ID_NS_NVM_QPIF_SHIFT) & NVME_ID_NS_NVM_QPIF_MASK;
}
struct nvme_id_ctrl_nvm {
__u8 vsl;
__u8 wzsl;
@ -576,6 +584,7 @@ enum {
NVME_NVM_NS_16B_GUARD = 0,
NVME_NVM_NS_32B_GUARD = 1,
NVME_NVM_NS_64B_GUARD = 2,
NVME_NVM_NS_QTYPE_GUARD = 3,
};
static inline __u8 nvme_lbaf_index(__u8 flbas)