diff options
Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_main.c')
-rw-r--r-- | drivers/scsi/hisi_sas/hisi_sas_main.c | 123 |
1 files changed, 99 insertions, 24 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index a994c7b8d26f..128583dfccf2 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -229,17 +229,18 @@ void hisi_sas_slot_task_free(struct hisi_hba *hisi_hba, struct sas_task *task, task->lldd_task = NULL; if (!sas_protocol_ata(task->task_proto)) { - struct sas_ssp_task *ssp_task = &task->ssp_task; - struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; - if (slot->n_elem) dma_unmap_sg(dev, task->scatter, task->num_scatter, task->data_dir); - if (slot->n_elem_dif) + if (slot->n_elem_dif) { + struct sas_ssp_task *ssp_task = &task->ssp_task; + struct scsi_cmnd *scsi_cmnd = ssp_task->cmd; + dma_unmap_sg(dev, scsi_prot_sglist(scsi_cmnd), scsi_prot_sg_count(scsi_cmnd), task->data_dir); + } } } @@ -334,7 +335,7 @@ static int hisi_sas_dma_map(struct hisi_hba *hisi_hba, } if (*n_elem > HISI_SAS_SGE_PAGE_CNT) { - dev_err(dev, "task prep: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT", + dev_err(dev, "task prep: n_elem(%d) > HISI_SAS_SGE_PAGE_CNT\n", *n_elem); rc = -EINVAL; goto err_out_dma_unmap; @@ -620,6 +621,12 @@ static void hisi_sas_bytes_dmaed(struct hisi_hba *hisi_hba, int phy_no) if (!phy->phy_attached) return; + if (test_bit(HISI_SAS_PM_BIT, &hisi_hba->flags) && + !sas_phy->suspended) { + dev_warn(hisi_hba->dev, "phy%d during suspend filtered out\n", phy_no); + return; + } + sas_ha = &hisi_hba->sha; sas_ha->notify_phy_event(sas_phy, PHYE_OOB_DONE); @@ -1431,7 +1438,6 @@ static void hisi_sas_rescan_topology(struct hisi_hba *hisi_hba, u32 state) } else { hisi_sas_phy_down(hisi_hba, phy_no, 0); } - } } @@ -1547,7 +1553,6 @@ EXPORT_SYMBOL_GPL(hisi_sas_controller_reset_prepare); void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba) { struct Scsi_Host *shost = hisi_hba->shost; - u32 state; /* Init and wait for PHYs to come up and all libsas event finished. */ hisi_hba->hw->phys_init(hisi_hba); @@ -1562,8 +1567,7 @@ void hisi_sas_controller_reset_done(struct hisi_hba *hisi_hba) scsi_unblock_requests(shost); clear_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags); - state = hisi_hba->hw->get_phys_state(hisi_hba); - hisi_sas_rescan_topology(hisi_hba, state); + hisi_sas_rescan_topology(hisi_hba, hisi_hba->phy_state); } EXPORT_SYMBOL_GPL(hisi_sas_controller_reset_done); @@ -3335,21 +3339,6 @@ enum { HISI_SAS_BIST_LOOPBACK_MODE_REMOTE, }; -enum { - HISI_SAS_BIST_CODE_MODE_PRBS7 = 0, - HISI_SAS_BIST_CODE_MODE_PRBS23, - HISI_SAS_BIST_CODE_MODE_PRBS31, - HISI_SAS_BIST_CODE_MODE_JTPAT, - HISI_SAS_BIST_CODE_MODE_CJTPAT, - HISI_SAS_BIST_CODE_MODE_SCRAMBED_0, - HISI_SAS_BIST_CODE_MODE_TRAIN, - HISI_SAS_BIST_CODE_MODE_TRAIN_DONE, - HISI_SAS_BIST_CODE_MODE_HFTP, - HISI_SAS_BIST_CODE_MODE_MFTP, - HISI_SAS_BIST_CODE_MODE_LFTP, - HISI_SAS_BIST_CODE_MODE_FIXED_DATA, -}; - static const struct { int value; char *name; @@ -3705,6 +3694,58 @@ static const struct file_operations hisi_sas_debugfs_bist_enable_ops = { .owner = THIS_MODULE, }; +static const struct { + char *name; +} hisi_sas_debugfs_ffe_name[FFE_CFG_MAX] = { + { "SAS_1_5_GBPS" }, + { "SAS_3_0_GBPS" }, + { "SAS_6_0_GBPS" }, + { "SAS_12_0_GBPS" }, + { "FFE_RESV" }, + { "SATA_1_5_GBPS" }, + { "SATA_3_0_GBPS" }, + { "SATA_6_0_GBPS" }, +}; + +static ssize_t hisi_sas_debugfs_write(struct file *filp, + const char __user *buf, + size_t count, loff_t *ppos) +{ + struct seq_file *m = filp->private_data; + u32 *val = m->private; + int res; + + res = kstrtouint_from_user(buf, count, 0, val); + if (res) + return res; + + return count; +} + +static int hisi_sas_debugfs_show(struct seq_file *s, void *p) +{ + u32 *val = s->private; + + seq_printf(s, "0x%x\n", *val); + + return 0; +} + +static int hisi_sas_debugfs_open(struct inode *inode, struct file *filp) +{ + return single_open(filp, hisi_sas_debugfs_show, + inode->i_private); +} + +static const struct file_operations hisi_sas_debugfs_ops = { + .open = hisi_sas_debugfs_open, + .read = seq_read, + .write = hisi_sas_debugfs_write, + .llseek = seq_lseek, + .release = single_release, + .owner = THIS_MODULE, +}; + static ssize_t hisi_sas_debugfs_phy_down_cnt_write(struct file *filp, const char __user *buf, size_t count, loff_t *ppos) @@ -3902,6 +3943,9 @@ static void hisi_sas_debugfs_phy_down_cnt_init(struct hisi_hba *hisi_hba) static void hisi_sas_debugfs_bist_init(struct hisi_hba *hisi_hba) { + struct dentry *ports_dentry; + int phy_no; + hisi_hba->debugfs_bist_dentry = debugfs_create_dir("bist", hisi_hba->debugfs_dir); debugfs_create_file("link_rate", 0600, @@ -3912,6 +3956,16 @@ static void hisi_sas_debugfs_bist_init(struct hisi_hba *hisi_hba) hisi_hba->debugfs_bist_dentry, hisi_hba, &hisi_sas_debugfs_bist_code_mode_ops); + debugfs_create_file("fixed_code", 0600, + hisi_hba->debugfs_bist_dentry, + &hisi_hba->debugfs_bist_fixed_code[0], + &hisi_sas_debugfs_ops); + + debugfs_create_file("fixed_code_1", 0600, + hisi_hba->debugfs_bist_dentry, + &hisi_hba->debugfs_bist_fixed_code[1], + &hisi_sas_debugfs_ops); + debugfs_create_file("phy_id", 0600, hisi_hba->debugfs_bist_dentry, hisi_hba, &hisi_sas_debugfs_bist_phy_ops); @@ -3925,6 +3979,27 @@ static void hisi_sas_debugfs_bist_init(struct hisi_hba *hisi_hba) debugfs_create_file("enable", 0600, hisi_hba->debugfs_bist_dentry, hisi_hba, &hisi_sas_debugfs_bist_enable_ops); + ports_dentry = debugfs_create_dir("port", hisi_hba->debugfs_bist_dentry); + + for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) { + struct dentry *port_dentry; + struct dentry *ffe_dentry; + char name[256]; + int i; + + snprintf(name, 256, "%d", phy_no); + port_dentry = debugfs_create_dir(name, ports_dentry); + ffe_dentry = debugfs_create_dir("ffe", port_dentry); + for (i = 0; i < FFE_CFG_MAX; i++) { + if (i == FFE_RESV) + continue; + debugfs_create_file(hisi_sas_debugfs_ffe_name[i].name, + 0600, ffe_dentry, + &hisi_hba->debugfs_bist_ffe[phy_no][i], + &hisi_sas_debugfs_ops); + } + } + hisi_hba->debugfs_bist_linkrate = SAS_LINK_RATE_1_5_GBPS; } |