From 85c675d0d09a45a135bddd15d7b385f8758c32fb Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:35:05 +0200 Subject: Adding upstream version 6.7.7. Signed-off-by: Daniel Baumann --- drivers/scsi/hisi_sas/hisi_sas.h | 3 +- drivers/scsi/hisi_sas/hisi_sas_main.c | 7 +- drivers/scsi/hisi_sas/hisi_sas_v3_hw.c | 252 ++++++++------------------------- 3 files changed, 67 insertions(+), 195 deletions(-) (limited to 'drivers/scsi/hisi_sas') diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h index 9e73e9cbbc..1e4550156b 100644 --- a/drivers/scsi/hisi_sas/hisi_sas.h +++ b/drivers/scsi/hisi_sas/hisi_sas.h @@ -343,7 +343,7 @@ struct hisi_sas_hw { u8 reg_index, u8 reg_count, u8 *write_data); void (*wait_cmds_complete_timeout)(struct hisi_hba *hisi_hba, int delay_ms, int timeout_ms); - void (*debugfs_snapshot_regs)(struct hisi_hba *hisi_hba); + int (*debugfs_snapshot_regs)(struct hisi_hba *hisi_hba); int complete_hdr_size; const struct scsi_host_template *sht; }; @@ -451,7 +451,6 @@ struct hisi_hba { const struct hisi_sas_hw *hw; /* Low level hw interface */ unsigned long sata_dev_bitmap[BITS_TO_LONGS(HISI_SAS_MAX_DEVICES)]; struct work_struct rst_work; - struct work_struct debugfs_work; u32 phy_state; u32 intr_coal_ticks; /* Time of interrupt coalesce in us */ u32 intr_coal_count; /* Interrupt count to coalesce */ diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index b155ac8009..bbb7b2d9ff 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -1961,8 +1961,11 @@ static bool hisi_sas_internal_abort_timeout(struct sas_task *task, struct hisi_hba *hisi_hba = dev_to_hisi_hba(device); struct hisi_sas_internal_abort_data *timeout = data; - if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct) - queue_work(hisi_hba->wq, &hisi_hba->debugfs_work); + if (hisi_sas_debugfs_enable && hisi_hba->debugfs_itct[0].itct) { + down(&hisi_hba->sem); + hisi_hba->hw->debugfs_snapshot_regs(hisi_hba); + up(&hisi_hba->sem); + } if (task->task_state_flags & SAS_TASK_STATE_DONE) { pr_err("Internal abort: timeout %016llx\n", diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 520fffc142..b56fbc61a1 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -558,8 +558,7 @@ static int experimental_iopoll_q_cnt; module_param(experimental_iopoll_q_cnt, int, 0444); MODULE_PARM_DESC(experimental_iopoll_q_cnt, "number of queues to be used as poll mode, def=0"); -static void debugfs_work_handler_v3_hw(struct work_struct *work); -static void debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba); +static int debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba); static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off) { @@ -1606,6 +1605,11 @@ static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba) } phy->port_id = port_id; + spin_lock(&phy->lock); + /* Delete timer and set phy_attached atomically */ + del_timer(&phy->timer); + phy->phy_attached = 1; + spin_unlock(&phy->lock); /* * Call pm_runtime_get_noresume() which pairs with @@ -1619,11 +1623,6 @@ static irqreturn_t phy_up_v3_hw(int phy_no, struct hisi_hba *hisi_hba) res = IRQ_HANDLED; - spin_lock(&phy->lock); - /* Delete timer and set phy_attached atomically */ - del_timer(&phy->timer); - phy->phy_attached = 1; - spin_unlock(&phy->lock); end: if (phy->reset_completion) complete(phy->reset_completion); @@ -3388,7 +3387,6 @@ hisi_sas_shost_alloc_pci(struct pci_dev *pdev) hisi_hba = shost_priv(shost); INIT_WORK(&hisi_hba->rst_work, hisi_sas_rst_work_handler); - INIT_WORK(&hisi_hba->debugfs_work, debugfs_work_handler_v3_hw); hisi_hba->hw = &hisi_sas_v3_hw; hisi_hba->pci_dev = pdev; hisi_hba->dev = dev; @@ -3860,37 +3858,6 @@ static void debugfs_create_files_v3_hw(struct hisi_hba *hisi_hba) &debugfs_ras_v3_hw_fops); } -static void debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba) -{ - int debugfs_dump_index = hisi_hba->debugfs_dump_index; - struct device *dev = hisi_hba->dev; - u64 timestamp = local_clock(); - - if (debugfs_dump_index >= hisi_sas_debugfs_dump_count) { - dev_warn(dev, "dump count exceeded!\n"); - return; - } - - do_div(timestamp, NSEC_PER_MSEC); - hisi_hba->debugfs_timestamp[debugfs_dump_index] = timestamp; - - debugfs_snapshot_prepare_v3_hw(hisi_hba); - - debugfs_snapshot_global_reg_v3_hw(hisi_hba); - debugfs_snapshot_port_reg_v3_hw(hisi_hba); - debugfs_snapshot_axi_reg_v3_hw(hisi_hba); - debugfs_snapshot_ras_reg_v3_hw(hisi_hba); - debugfs_snapshot_cq_reg_v3_hw(hisi_hba); - debugfs_snapshot_dq_reg_v3_hw(hisi_hba); - debugfs_snapshot_itct_reg_v3_hw(hisi_hba); - debugfs_snapshot_iost_reg_v3_hw(hisi_hba); - - debugfs_create_files_v3_hw(hisi_hba); - - debugfs_snapshot_restore_v3_hw(hisi_hba); - hisi_hba->debugfs_dump_index++; -} - static ssize_t debugfs_trigger_dump_v3_hw_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -3898,9 +3865,6 @@ static ssize_t debugfs_trigger_dump_v3_hw_write(struct file *file, struct hisi_hba *hisi_hba = file->f_inode->i_private; char buf[8]; - if (hisi_hba->debugfs_dump_index >= hisi_sas_debugfs_dump_count) - return -EFAULT; - if (count > 8) return -EFAULT; @@ -3910,7 +3874,12 @@ static ssize_t debugfs_trigger_dump_v3_hw_write(struct file *file, if (buf[0] != '1') return -EFAULT; - queue_work(hisi_hba->wq, &hisi_hba->debugfs_work); + down(&hisi_hba->sem); + if (debugfs_snapshot_regs_v3_hw(hisi_hba)) { + up(&hisi_hba->sem); + return -EFAULT; + } + up(&hisi_hba->sem); return count; } @@ -3990,22 +3959,7 @@ static ssize_t debugfs_bist_linkrate_v3_hw_write(struct file *filp, return count; } - -static int debugfs_bist_linkrate_v3_hw_open(struct inode *inode, - struct file *filp) -{ - return single_open(filp, debugfs_bist_linkrate_v3_hw_show, - inode->i_private); -} - -static const struct file_operations debugfs_bist_linkrate_v3_hw_fops = { - .open = debugfs_bist_linkrate_v3_hw_open, - .read = seq_read, - .write = debugfs_bist_linkrate_v3_hw_write, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; +DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_linkrate_v3_hw); static const struct { int value; @@ -4080,22 +4034,7 @@ static ssize_t debugfs_bist_code_mode_v3_hw_write(struct file *filp, return count; } - -static int debugfs_bist_code_mode_v3_hw_open(struct inode *inode, - struct file *filp) -{ - return single_open(filp, debugfs_bist_code_mode_v3_hw_show, - inode->i_private); -} - -static const struct file_operations debugfs_bist_code_mode_v3_hw_fops = { - .open = debugfs_bist_code_mode_v3_hw_open, - .read = seq_read, - .write = debugfs_bist_code_mode_v3_hw_write, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; +DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_code_mode_v3_hw); static ssize_t debugfs_bist_phy_v3_hw_write(struct file *filp, const char __user *buf, @@ -4129,22 +4068,7 @@ static int debugfs_bist_phy_v3_hw_show(struct seq_file *s, void *p) return 0; } - -static int debugfs_bist_phy_v3_hw_open(struct inode *inode, - struct file *filp) -{ - return single_open(filp, debugfs_bist_phy_v3_hw_show, - inode->i_private); -} - -static const struct file_operations debugfs_bist_phy_v3_hw_fops = { - .open = debugfs_bist_phy_v3_hw_open, - .read = seq_read, - .write = debugfs_bist_phy_v3_hw_write, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; +DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_phy_v3_hw); static ssize_t debugfs_bist_cnt_v3_hw_write(struct file *filp, const char __user *buf, @@ -4177,22 +4101,7 @@ static int debugfs_bist_cnt_v3_hw_show(struct seq_file *s, void *p) return 0; } - -static int debugfs_bist_cnt_v3_hw_open(struct inode *inode, - struct file *filp) -{ - return single_open(filp, debugfs_bist_cnt_v3_hw_show, - inode->i_private); -} - -static const struct file_operations debugfs_bist_cnt_v3_hw_ops = { - .open = debugfs_bist_cnt_v3_hw_open, - .read = seq_read, - .write = debugfs_bist_cnt_v3_hw_write, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; +DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_cnt_v3_hw); static const struct { int value; @@ -4256,22 +4165,7 @@ static ssize_t debugfs_bist_mode_v3_hw_write(struct file *filp, return count; } - -static int debugfs_bist_mode_v3_hw_open(struct inode *inode, - struct file *filp) -{ - return single_open(filp, debugfs_bist_mode_v3_hw_show, - inode->i_private); -} - -static const struct file_operations debugfs_bist_mode_v3_hw_fops = { - .open = debugfs_bist_mode_v3_hw_open, - .read = seq_read, - .write = debugfs_bist_mode_v3_hw_write, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; +DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_mode_v3_hw); static ssize_t debugfs_bist_enable_v3_hw_write(struct file *filp, const char __user *buf, @@ -4309,22 +4203,7 @@ static int debugfs_bist_enable_v3_hw_show(struct seq_file *s, void *p) return 0; } - -static int debugfs_bist_enable_v3_hw_open(struct inode *inode, - struct file *filp) -{ - return single_open(filp, debugfs_bist_enable_v3_hw_show, - inode->i_private); -} - -static const struct file_operations debugfs_bist_enable_v3_hw_fops = { - .open = debugfs_bist_enable_v3_hw_open, - .read = seq_read, - .write = debugfs_bist_enable_v3_hw_write, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; +DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_bist_enable_v3_hw); static const struct { char *name; @@ -4362,21 +4241,7 @@ static int debugfs_v3_hw_show(struct seq_file *s, void *p) return 0; } - -static int debugfs_v3_hw_open(struct inode *inode, struct file *filp) -{ - return single_open(filp, debugfs_v3_hw_show, - inode->i_private); -} - -static const struct file_operations debugfs_v3_hw_fops = { - .open = debugfs_v3_hw_open, - .read = seq_read, - .write = debugfs_v3_hw_write, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; +DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_v3_hw); static ssize_t debugfs_phy_down_cnt_v3_hw_write(struct file *filp, const char __user *buf, @@ -4407,22 +4272,7 @@ static int debugfs_phy_down_cnt_v3_hw_show(struct seq_file *s, void *p) return 0; } - -static int debugfs_phy_down_cnt_v3_hw_open(struct inode *inode, - struct file *filp) -{ - return single_open(filp, debugfs_phy_down_cnt_v3_hw_show, - inode->i_private); -} - -static const struct file_operations debugfs_phy_down_cnt_v3_hw_fops = { - .open = debugfs_phy_down_cnt_v3_hw_open, - .read = seq_read, - .write = debugfs_phy_down_cnt_v3_hw_write, - .llseek = seq_lseek, - .release = single_release, - .owner = THIS_MODULE, -}; +DEFINE_SHOW_STORE_ATTRIBUTE(debugfs_phy_down_cnt_v3_hw); enum fifo_dump_mode_v3_hw { FIFO_DUMP_FORVER = (1U << 0), @@ -4661,14 +4511,6 @@ static void debugfs_fifo_init_v3_hw(struct hisi_hba *hisi_hba) } } -static void debugfs_work_handler_v3_hw(struct work_struct *work) -{ - struct hisi_hba *hisi_hba = - container_of(work, struct hisi_hba, debugfs_work); - - debugfs_snapshot_regs_v3_hw(hisi_hba); -} - static void debugfs_release_v3_hw(struct hisi_hba *hisi_hba, int dump_index) { struct device *dev = hisi_hba->dev; @@ -4703,7 +4545,7 @@ static int debugfs_alloc_v3_hw(struct hisi_hba *hisi_hba, int dump_index) { const struct hisi_sas_hw *hw = hisi_hba->hw; struct device *dev = hisi_hba->dev; - int p, c, d, r, i; + int p, c, d, r; size_t sz; for (r = 0; r < DEBUGFS_REGS_NUM; r++) { @@ -4783,11 +4625,48 @@ static int debugfs_alloc_v3_hw(struct hisi_hba *hisi_hba, int dump_index) return 0; fail: - for (i = 0; i < hisi_sas_debugfs_dump_count; i++) - debugfs_release_v3_hw(hisi_hba, i); + debugfs_release_v3_hw(hisi_hba, dump_index); return -ENOMEM; } +static int debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba) +{ + int debugfs_dump_index = hisi_hba->debugfs_dump_index; + struct device *dev = hisi_hba->dev; + u64 timestamp = local_clock(); + + if (debugfs_dump_index >= hisi_sas_debugfs_dump_count) { + dev_warn(dev, "dump count exceeded!\n"); + return -EINVAL; + } + + if (debugfs_alloc_v3_hw(hisi_hba, debugfs_dump_index)) { + dev_warn(dev, "failed to alloc memory\n"); + return -ENOMEM; + } + + do_div(timestamp, NSEC_PER_MSEC); + hisi_hba->debugfs_timestamp[debugfs_dump_index] = timestamp; + + debugfs_snapshot_prepare_v3_hw(hisi_hba); + + debugfs_snapshot_global_reg_v3_hw(hisi_hba); + debugfs_snapshot_port_reg_v3_hw(hisi_hba); + debugfs_snapshot_axi_reg_v3_hw(hisi_hba); + debugfs_snapshot_ras_reg_v3_hw(hisi_hba); + debugfs_snapshot_cq_reg_v3_hw(hisi_hba); + debugfs_snapshot_dq_reg_v3_hw(hisi_hba); + debugfs_snapshot_itct_reg_v3_hw(hisi_hba); + debugfs_snapshot_iost_reg_v3_hw(hisi_hba); + + debugfs_create_files_v3_hw(hisi_hba); + + debugfs_snapshot_restore_v3_hw(hisi_hba); + hisi_hba->debugfs_dump_index++; + + return 0; +} + static void debugfs_phy_down_cnt_init_v3_hw(struct hisi_hba *hisi_hba) { struct dentry *dir = debugfs_create_dir("phy_down_cnt", @@ -4832,7 +4711,7 @@ static void debugfs_bist_init_v3_hw(struct hisi_hba *hisi_hba) hisi_hba, &debugfs_bist_phy_v3_hw_fops); debugfs_create_file("cnt", 0600, hisi_hba->debugfs_bist_dentry, - hisi_hba, &debugfs_bist_cnt_v3_hw_ops); + hisi_hba, &debugfs_bist_cnt_v3_hw_fops); debugfs_create_file("loopback_mode", 0600, hisi_hba->debugfs_bist_dentry, @@ -4874,7 +4753,6 @@ static void debugfs_exit_v3_hw(struct hisi_hba *hisi_hba) static void debugfs_init_v3_hw(struct hisi_hba *hisi_hba) { struct device *dev = hisi_hba->dev; - int i; hisi_hba->debugfs_dir = debugfs_create_dir(dev_name(dev), hisi_sas_debugfs_dir); @@ -4891,14 +4769,6 @@ static void debugfs_init_v3_hw(struct hisi_hba *hisi_hba) debugfs_phy_down_cnt_init_v3_hw(hisi_hba); debugfs_fifo_init_v3_hw(hisi_hba); - - for (i = 0; i < hisi_sas_debugfs_dump_count; i++) { - if (debugfs_alloc_v3_hw(hisi_hba, i)) { - debugfs_exit_v3_hw(hisi_hba); - dev_dbg(dev, "failed to init debugfs!\n"); - break; - } - } } static int -- cgit v1.2.3