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Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_main.c')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_main.c161
1 files changed, 119 insertions, 42 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 11caa4b0d797..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;
@@ -417,6 +418,7 @@ static int hisi_sas_task_prep(struct sas_task *task,
struct device *dev = hisi_hba->dev;
int dlvry_queue_slot, dlvry_queue, rc, slot_idx;
int n_elem = 0, n_elem_dif = 0, n_elem_req = 0;
+ struct scsi_cmnd *scmd = NULL;
struct hisi_sas_dq *dq;
unsigned long flags;
int wr_q_index;
@@ -432,10 +434,23 @@ static int hisi_sas_task_prep(struct sas_task *task,
return -ECOMM;
}
- if (hisi_hba->reply_map) {
- int cpu = raw_smp_processor_id();
- unsigned int dq_index = hisi_hba->reply_map[cpu];
+ if (task->uldd_task) {
+ struct ata_queued_cmd *qc;
+
+ if (dev_is_sata(device)) {
+ qc = task->uldd_task;
+ scmd = qc->scsicmd;
+ } else {
+ scmd = task->uldd_task;
+ }
+ }
+
+ if (scmd) {
+ unsigned int dq_index;
+ u32 blk_tag;
+ blk_tag = blk_mq_unique_tag(scmd->request);
+ dq_index = blk_mq_unique_tag_to_hwq(blk_tag);
*dq_pointer = dq = &hisi_hba->dq[dq_index];
} else {
*dq_pointer = dq = sas_dev->dq;
@@ -464,21 +479,9 @@ static int hisi_sas_task_prep(struct sas_task *task,
if (hisi_hba->hw->slot_index_alloc)
rc = hisi_hba->hw->slot_index_alloc(hisi_hba, device);
- else {
- struct scsi_cmnd *scsi_cmnd = NULL;
-
- if (task->uldd_task) {
- struct ata_queued_cmd *qc;
+ else
+ rc = hisi_sas_slot_index_alloc(hisi_hba, scmd);
- if (dev_is_sata(device)) {
- qc = task->uldd_task;
- scsi_cmnd = qc->scsicmd;
- } else {
- scsi_cmnd = task->uldd_task;
- }
- }
- rc = hisi_sas_slot_index_alloc(hisi_hba, scsi_cmnd);
- }
if (rc < 0)
goto err_out_dif_dma_unmap;
@@ -618,6 +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);
@@ -1144,7 +1153,7 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
hisi_hba->hw->get_events(hisi_hba, phy_no);
break;
}
- /* fallthru */
+ fallthrough;
case PHY_FUNC_RELEASE_SPINUP_HOLD:
default:
return -EOPNOTSUPP;
@@ -1429,7 +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);
}
-
}
}
@@ -1545,7 +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);
@@ -1560,8 +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);
@@ -3333,21 +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;
@@ -3703,6 +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)
@@ -3900,6 +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,
@@ -3910,6 +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);
@@ -3923,6 +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;
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.