nvme fixes for Linux 6.8

- Update a potentially stale firmware attribute (Maurizio)
  - Fixes for the recent verbose error logging (Keith, Chaitanya)
  - Protection information payload size fix for passthrough (Francis)
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Merge tag 'nvme-6.8-2023-02-08' of git://git.infradead.org/nvme into block-6.8

Pull NVMe fixes from Keith:

"nvme fixes for Linux 6.8

 - Update a potentially stale firmware attribute (Maurizio)
 - Fixes for the recent verbose error logging (Keith, Chaitanya)
 - Protection information payload size fix for passthrough (Francis)"

* tag 'nvme-6.8-2023-02-08' of git://git.infradead.org/nvme:
  nvme: use ns->head->pi_size instead of t10_pi_tuple structure size
  nvme-core: fix comment to reflect right functions
  nvme: move passthrough logging attribute to head
  nvme-host: fix the updating of the firmware version

drivers/nvme/host/core.c

@@ -713,7 +713,7 @@ void nvme_init_request(struct request *req, struct nvme_command *cmd)
 	if (req->q->queuedata) {
 		struct nvme_ns *ns = req->q->disk->private_data;
 
-		logging_enabled = ns->passthru_err_log_enabled;
+		logging_enabled = ns->head->passthru_err_log_enabled;
 		req->timeout = NVME_IO_TIMEOUT;
 	} else { /* no queuedata implies admin queue */
 		logging_enabled = nr->ctrl->passthru_err_log_enabled;
@@ -3696,7 +3696,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info)
 
 	ns->disk = disk;
 	ns->queue = disk->queue;
-	ns->passthru_err_log_enabled = false;
 
 	if (ctrl->opts && ctrl->opts->data_digest)
 		blk_queue_flag_set(QUEUE_FLAG_STABLE_WRITES, ns->queue);
@@ -3762,8 +3761,8 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info)
 
 	/*
 	 * Set ns->disk->device->driver_data to ns so we can access
-	 * ns->logging_enabled in nvme_passthru_err_log_enabled_store() and
+	 * ns->head->passthru_err_log_enabled in
-	 * nvme_passthru_err_log_enabled_show().
+	 * nvme_io_passthru_err_log_enabled_[store | show]().
 	 */
 	dev_set_drvdata(disk_to_dev(ns->disk), ns);
 
@@ -4191,6 +4190,7 @@ static bool nvme_ctrl_pp_status(struct nvme_ctrl *ctrl)
 static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl)
 {
 	struct nvme_fw_slot_info_log *log;
+	u8 next_fw_slot, cur_fw_slot;
 
 	log = kmalloc(sizeof(*log), GFP_KERNEL);
 	if (!log)
@@ -4202,13 +4202,15 @@ static void nvme_get_fw_slot_info(struct nvme_ctrl *ctrl)
 		goto out_free_log;
 	}
 
-	if (log->afi & 0x70 || !(log->afi & 0x7)) {
+	cur_fw_slot = log->afi & 0x7;
+	next_fw_slot = (log->afi & 0x70) >> 4;
+	if (!cur_fw_slot || (next_fw_slot && (cur_fw_slot != next_fw_slot))) {
 		dev_info(ctrl->device,
 			 "Firmware is activated after next Controller Level Reset\n");
 		goto out_free_log;
 	}
 
-	memcpy(ctrl->subsys->firmware_rev, &log->frs[(log->afi & 0x7) - 1],
+	memcpy(ctrl->subsys->firmware_rev, &log->frs[cur_fw_slot - 1],
 		sizeof(ctrl->subsys->firmware_rev));
 
 out_free_log:

drivers/nvme/host/ioctl.c

@@ -228,7 +228,7 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)
 	length = (io.nblocks + 1) << ns->head->lba_shift;
 
 	if ((io.control & NVME_RW_PRINFO_PRACT) &&
-	    ns->head->ms == sizeof(struct t10_pi_tuple)) {
+	    (ns->head->ms == ns->head->pi_size)) {
 		/*
 		 * Protection information is stripped/inserted by the
 		 * controller.

drivers/nvme/host/nvme.h

@@ -455,6 +455,7 @@ struct nvme_ns_head {
 	struct list_head	entry;
 	struct kref		ref;
 	bool			shared;
+	bool			passthru_err_log_enabled;
 	int			instance;
 	struct nvme_effects_log *effects;
 	u64			nuse;
@@ -523,7 +524,6 @@ struct nvme_ns {
 	struct device		cdev_device;
 
 	struct nvme_fault_inject fault_inject;
-	bool			passthru_err_log_enabled;
 };
 
 /* NVMe ns supports metadata actions by the controller (generate/strip) */

drivers/nvme/host/sysfs.c

@@ -48,8 +48,8 @@ static ssize_t nvme_adm_passthru_err_log_enabled_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
 	struct nvme_ctrl *ctrl = dev_get_drvdata(dev);
-	int err;
 	bool passthru_err_log_enabled;
+	int err;
 
 	err = kstrtobool(buf, &passthru_err_log_enabled);
 	if (err)
@@ -60,25 +60,34 @@ static ssize_t nvme_adm_passthru_err_log_enabled_store(struct device *dev,
 	return count;
 }
 
+static inline struct nvme_ns_head *dev_to_ns_head(struct device *dev)
+{
+	struct gendisk *disk = dev_to_disk(dev);
+
+	if (nvme_disk_is_ns_head(disk))
+		return disk->private_data;
+	return nvme_get_ns_from_dev(dev)->head;
+}
+
 static ssize_t nvme_io_passthru_err_log_enabled_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
-	struct nvme_ns *n = dev_get_drvdata(dev);
+	struct nvme_ns_head *head = dev_to_ns_head(dev);
 
-	return sysfs_emit(buf, n->passthru_err_log_enabled ? "on\n" : "off\n");
+	return sysfs_emit(buf, head->passthru_err_log_enabled ? "on\n" : "off\n");
 }
 
 static ssize_t nvme_io_passthru_err_log_enabled_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t count)
 {
-	struct nvme_ns *ns = dev_get_drvdata(dev);
+	struct nvme_ns_head *head = dev_to_ns_head(dev);
-	int err;
 	bool passthru_err_log_enabled;
+	int err;
 
 	err = kstrtobool(buf, &passthru_err_log_enabled);
 	if (err)
 		return -EINVAL;
-	ns->passthru_err_log_enabled = passthru_err_log_enabled;
+	head->passthru_err_log_enabled = passthru_err_log_enabled;
 
 	return count;
 }
@@ -91,15 +100,6 @@ static struct device_attribute dev_attr_io_passthru_err_log_enabled = \
 	__ATTR(passthru_err_log_enabled, S_IRUGO | S_IWUSR, \
 	nvme_io_passthru_err_log_enabled_show, nvme_io_passthru_err_log_enabled_store);
 
-static inline struct nvme_ns_head *dev_to_ns_head(struct device *dev)
-{
-	struct gendisk *disk = dev_to_disk(dev);
-
-	if (nvme_disk_is_ns_head(disk))
-		return disk->private_data;
-	return nvme_get_ns_from_dev(dev)->head;
-}
-
 static ssize_t wwid_show(struct device *dev, struct device_attribute *attr,
 		char *buf)
 {