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path: root/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
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Diffstat (limited to 'drivers/scsi/hisi_sas/hisi_sas_v3_hw.c')
-rw-r--r--drivers/scsi/hisi_sas/hisi_sas_v3_hw.c1300
1 files changed, 1233 insertions, 67 deletions
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index 7133ca859b5e..7c12804b4e1d 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -522,6 +522,8 @@ module_param(auto_affine_msi_experimental, bool, 0444);
MODULE_PARM_DESC(auto_affine_msi_experimental, "Enable auto-affinity of MSI IRQs as experimental:\n"
"default is off");
+static void debugfs_work_handler_v3_hw(struct work_struct *work);
+
static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
{
void __iomem *regs = hisi_hba->regs + off;
@@ -2409,8 +2411,7 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
DRV_NAME " phy", hisi_hba);
if (rc) {
dev_err(dev, "could not request phy interrupt, rc=%d\n", rc);
- rc = -ENOENT;
- goto free_irq_vectors;
+ return -ENOENT;
}
rc = devm_request_irq(dev, pci_irq_vector(pdev, 2),
@@ -2418,8 +2419,7 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
DRV_NAME " channel", hisi_hba);
if (rc) {
dev_err(dev, "could not request chnl interrupt, rc=%d\n", rc);
- rc = -ENOENT;
- goto free_irq_vectors;
+ return -ENOENT;
}
rc = devm_request_irq(dev, pci_irq_vector(pdev, 11),
@@ -2427,8 +2427,7 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
DRV_NAME " fatal", hisi_hba);
if (rc) {
dev_err(dev, "could not request fatal interrupt, rc=%d\n", rc);
- rc = -ENOENT;
- goto free_irq_vectors;
+ return -ENOENT;
}
if (hisi_sas_intr_conv)
@@ -2449,16 +2448,16 @@ static int interrupt_init_v3_hw(struct hisi_hba *hisi_hba)
if (rc) {
dev_err(dev, "could not request cq%d interrupt, rc=%d\n",
i, rc);
- rc = -ENOENT;
- goto free_irq_vectors;
+ return -ENOENT;
+ }
+ cq->irq_mask = pci_irq_get_affinity(pdev, i + BASE_VECTORS_V3_HW);
+ if (!cq->irq_mask) {
+ dev_err(dev, "could not get cq%d irq affinity!\n", i);
+ return -ENOENT;
}
}
return 0;
-
-free_irq_vectors:
- pci_free_irq_vectors(pdev);
- return rc;
}
static int hisi_sas_v3_init(struct hisi_hba *hisi_hba)
@@ -2761,6 +2760,19 @@ static struct device_attribute *host_attrs_v3_hw[] = {
NULL
};
+#define HISI_SAS_DEBUGFS_REG(x) {#x, x}
+
+struct hisi_sas_debugfs_reg_lu {
+ char *name;
+ int off;
+};
+
+struct hisi_sas_debugfs_reg {
+ const struct hisi_sas_debugfs_reg_lu *lu;
+ int count;
+ int base_off;
+};
+
static const struct hisi_sas_debugfs_reg_lu debugfs_port_reg_lu[] = {
HISI_SAS_DEBUGFS_REG(PHY_CFG),
HISI_SAS_DEBUGFS_REG(HARD_PHY_LINKRATE),
@@ -2816,7 +2828,6 @@ static const struct hisi_sas_debugfs_reg debugfs_port_reg = {
.lu = debugfs_port_reg_lu,
.count = 0x100,
.base_off = PORT_BASE,
- .read_port_reg = hisi_sas_phy_read32,
};
static const struct hisi_sas_debugfs_reg_lu debugfs_global_reg_lu[] = {
@@ -2889,7 +2900,6 @@ static const struct hisi_sas_debugfs_reg_lu debugfs_global_reg_lu[] = {
static const struct hisi_sas_debugfs_reg debugfs_global_reg = {
.lu = debugfs_global_reg_lu,
.count = 0x800,
- .read_global_reg = hisi_sas_read32,
};
static const struct hisi_sas_debugfs_reg_lu debugfs_axi_reg_lu[] = {
@@ -2904,7 +2914,6 @@ static const struct hisi_sas_debugfs_reg debugfs_axi_reg = {
.lu = debugfs_axi_reg_lu,
.count = 0x61,
.base_off = AXI_MASTER_CFG_BASE,
- .read_global_reg = hisi_sas_read32,
};
static const struct hisi_sas_debugfs_reg_lu debugfs_ras_reg_lu[] = {
@@ -2922,7 +2931,6 @@ static const struct hisi_sas_debugfs_reg debugfs_ras_reg = {
.lu = debugfs_ras_reg_lu,
.count = 0x10,
.base_off = RAS_BASE,
- .read_global_reg = hisi_sas_read32,
};
static void debugfs_snapshot_prepare_v3_hw(struct hisi_hba *hisi_hba)
@@ -3142,7 +3150,6 @@ static struct scsi_host_template sht_v3_hw = {
};
static const struct hisi_sas_hw hisi_sas_v3_hw = {
- .hw_init = hisi_sas_v3_init,
.setup_itct = setup_itct_v3_hw,
.get_wideport_bitmap = get_wideport_bitmap_v3_hw,
.complete_hdr_size = sizeof(struct hisi_sas_complete_v3_hdr),
@@ -3165,14 +3172,6 @@ static const struct hisi_sas_hw hisi_sas_v3_hw = {
.get_events = phy_get_events_v3_hw,
.write_gpio = write_gpio_v3_hw,
.wait_cmds_complete_timeout = wait_cmds_complete_timeout_v3_hw,
- .debugfs_reg_array[DEBUGFS_GLOBAL] = &debugfs_global_reg,
- .debugfs_reg_array[DEBUGFS_AXI] = &debugfs_axi_reg,
- .debugfs_reg_array[DEBUGFS_RAS] = &debugfs_ras_reg,
- .debugfs_reg_port = &debugfs_port_reg,
- .snapshot_prepare = debugfs_snapshot_prepare_v3_hw,
- .snapshot_restore = debugfs_snapshot_restore_v3_hw,
- .read_iost_itct_cache = read_iost_itct_cache_v3_hw,
- .set_bist = debugfs_set_bist_v3_hw,
};
static struct Scsi_Host *
@@ -3190,7 +3189,7 @@ 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, hisi_sas_debugfs_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;
@@ -3218,6 +3217,1196 @@ err_out:
return NULL;
}
+static void debugfs_snapshot_cq_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+ int queue_entry_size = hisi_hba->hw->complete_hdr_size;
+ int dump_index = hisi_hba->debugfs_dump_index;
+ int i;
+
+ for (i = 0; i < hisi_hba->queue_count; i++)
+ memcpy(hisi_hba->debugfs_cq[dump_index][i].complete_hdr,
+ hisi_hba->complete_hdr[i],
+ HISI_SAS_QUEUE_SLOTS * queue_entry_size);
+}
+
+static void debugfs_snapshot_dq_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+ int queue_entry_size = sizeof(struct hisi_sas_cmd_hdr);
+ int dump_index = hisi_hba->debugfs_dump_index;
+ int i;
+
+ for (i = 0; i < hisi_hba->queue_count; i++) {
+ struct hisi_sas_cmd_hdr *debugfs_cmd_hdr, *cmd_hdr;
+ int j;
+
+ debugfs_cmd_hdr = hisi_hba->debugfs_dq[dump_index][i].hdr;
+ cmd_hdr = hisi_hba->cmd_hdr[i];
+
+ for (j = 0; j < HISI_SAS_QUEUE_SLOTS; j++)
+ memcpy(&debugfs_cmd_hdr[j], &cmd_hdr[j],
+ queue_entry_size);
+ }
+}
+
+static void debugfs_snapshot_port_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+ int dump_index = hisi_hba->debugfs_dump_index;
+ const struct hisi_sas_debugfs_reg *port = &debugfs_port_reg;
+ int i, phy_cnt;
+ u32 offset;
+ u32 *databuf;
+
+ for (phy_cnt = 0; phy_cnt < hisi_hba->n_phy; phy_cnt++) {
+ databuf = hisi_hba->debugfs_port_reg[dump_index][phy_cnt].data;
+ for (i = 0; i < port->count; i++, databuf++) {
+ offset = port->base_off + 4 * i;
+ *databuf = hisi_sas_phy_read32(hisi_hba, phy_cnt,
+ offset);
+ }
+ }
+}
+
+static void debugfs_snapshot_global_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+ int dump_index = hisi_hba->debugfs_dump_index;
+ u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_GLOBAL].data;
+ int i;
+
+ for (i = 0; i < debugfs_axi_reg.count; i++, databuf++)
+ *databuf = hisi_sas_read32(hisi_hba, 4 * i);
+}
+
+static void debugfs_snapshot_axi_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+ int dump_index = hisi_hba->debugfs_dump_index;
+ u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_AXI].data;
+ const struct hisi_sas_debugfs_reg *axi = &debugfs_axi_reg;
+ int i;
+
+ for (i = 0; i < axi->count; i++, databuf++)
+ *databuf = hisi_sas_read32(hisi_hba, 4 * i + axi->base_off);
+}
+
+static void debugfs_snapshot_ras_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+ int dump_index = hisi_hba->debugfs_dump_index;
+ u32 *databuf = hisi_hba->debugfs_regs[dump_index][DEBUGFS_RAS].data;
+ const struct hisi_sas_debugfs_reg *ras = &debugfs_ras_reg;
+ int i;
+
+ for (i = 0; i < ras->count; i++, databuf++)
+ *databuf = hisi_sas_read32(hisi_hba, 4 * i + ras->base_off);
+}
+
+static void debugfs_snapshot_itct_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+ int dump_index = hisi_hba->debugfs_dump_index;
+ void *cachebuf = hisi_hba->debugfs_itct_cache[dump_index].cache;
+ void *databuf = hisi_hba->debugfs_itct[dump_index].itct;
+ struct hisi_sas_itct *itct;
+ int i;
+
+ read_iost_itct_cache_v3_hw(hisi_hba, HISI_SAS_ITCT_CACHE, cachebuf);
+
+ itct = hisi_hba->itct;
+
+ for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, itct++) {
+ memcpy(databuf, itct, sizeof(struct hisi_sas_itct));
+ databuf += sizeof(struct hisi_sas_itct);
+ }
+}
+
+static void debugfs_snapshot_iost_reg_v3_hw(struct hisi_hba *hisi_hba)
+{
+ int dump_index = hisi_hba->debugfs_dump_index;
+ int max_command_entries = HISI_SAS_MAX_COMMANDS;
+ void *cachebuf = hisi_hba->debugfs_iost_cache[dump_index].cache;
+ void *databuf = hisi_hba->debugfs_iost[dump_index].iost;
+ struct hisi_sas_iost *iost;
+ int i;
+
+ read_iost_itct_cache_v3_hw(hisi_hba, HISI_SAS_IOST_CACHE, cachebuf);
+
+ iost = hisi_hba->iost;
+
+ for (i = 0; i < max_command_entries; i++, iost++) {
+ memcpy(databuf, iost, sizeof(struct hisi_sas_iost));
+ databuf += sizeof(struct hisi_sas_iost);
+ }
+}
+
+static const char *
+debugfs_to_reg_name_v3_hw(int off, int base_off,
+ const struct hisi_sas_debugfs_reg_lu *lu)
+{
+ for (; lu->name; lu++) {
+ if (off == lu->off - base_off)
+ return lu->name;
+ }
+
+ return NULL;
+}
+
+static void debugfs_print_reg_v3_hw(u32 *regs_val, struct seq_file *s,
+ const struct hisi_sas_debugfs_reg *reg)
+{
+ int i;
+
+ for (i = 0; i < reg->count; i++) {
+ int off = i * 4;
+ const char *name;
+
+ name = debugfs_to_reg_name_v3_hw(off, reg->base_off,
+ reg->lu);
+
+ if (name)
+ seq_printf(s, "0x%08x 0x%08x %s\n", off,
+ regs_val[i], name);
+ else
+ seq_printf(s, "0x%08x 0x%08x\n", off,
+ regs_val[i]);
+ }
+}
+
+static int debugfs_global_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_sas_debugfs_regs *global = s->private;
+
+ debugfs_print_reg_v3_hw(global->data, s,
+ &debugfs_global_reg);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_global_v3_hw);
+
+static int debugfs_axi_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_sas_debugfs_regs *axi = s->private;
+
+ debugfs_print_reg_v3_hw(axi->data, s,
+ &debugfs_axi_reg);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_axi_v3_hw);
+
+static int debugfs_ras_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_sas_debugfs_regs *ras = s->private;
+
+ debugfs_print_reg_v3_hw(ras->data, s,
+ &debugfs_ras_reg);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_ras_v3_hw);
+
+static int debugfs_port_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_sas_debugfs_port *port = s->private;
+ const struct hisi_sas_debugfs_reg *reg_port = &debugfs_port_reg;
+
+ debugfs_print_reg_v3_hw(port->data, s, reg_port);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_port_v3_hw);
+
+static void debugfs_show_row_64_v3_hw(struct seq_file *s, int index,
+ int sz, __le64 *ptr)
+{
+ int i;
+
+ /* completion header size not fixed per HW version */
+ seq_printf(s, "index %04d:\n\t", index);
+ for (i = 1; i <= sz / 8; i++, ptr++) {
+ seq_printf(s, " 0x%016llx", le64_to_cpu(*ptr));
+ if (!(i % 2))
+ seq_puts(s, "\n\t");
+ }
+
+ seq_puts(s, "\n");
+}
+
+static void debugfs_show_row_32_v3_hw(struct seq_file *s, int index,
+ int sz, __le32 *ptr)
+{
+ int i;
+
+ /* completion header size not fixed per HW version */
+ seq_printf(s, "index %04d:\n\t", index);
+ for (i = 1; i <= sz / 4; i++, ptr++) {
+ seq_printf(s, " 0x%08x", le32_to_cpu(*ptr));
+ if (!(i % 4))
+ seq_puts(s, "\n\t");
+ }
+ seq_puts(s, "\n");
+}
+
+static void debugfs_cq_show_slot_v3_hw(struct seq_file *s, int slot,
+ struct hisi_sas_debugfs_cq *debugfs_cq)
+{
+ struct hisi_sas_cq *cq = debugfs_cq->cq;
+ struct hisi_hba *hisi_hba = cq->hisi_hba;
+ __le32 *complete_hdr = debugfs_cq->complete_hdr +
+ (hisi_hba->hw->complete_hdr_size * slot);
+
+ debugfs_show_row_32_v3_hw(s, slot,
+ hisi_hba->hw->complete_hdr_size,
+ complete_hdr);
+}
+
+static int debugfs_cq_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_sas_debugfs_cq *debugfs_cq = s->private;
+ int slot;
+
+ for (slot = 0; slot < HISI_SAS_QUEUE_SLOTS; slot++)
+ debugfs_cq_show_slot_v3_hw(s, slot, debugfs_cq);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_cq_v3_hw);
+
+static void debugfs_dq_show_slot_v3_hw(struct seq_file *s, int slot,
+ void *dq_ptr)
+{
+ struct hisi_sas_debugfs_dq *debugfs_dq = dq_ptr;
+ void *cmd_queue = debugfs_dq->hdr;
+ __le32 *cmd_hdr = cmd_queue +
+ sizeof(struct hisi_sas_cmd_hdr) * slot;
+
+ debugfs_show_row_32_v3_hw(s, slot, sizeof(struct hisi_sas_cmd_hdr),
+ cmd_hdr);
+}
+
+static int debugfs_dq_v3_hw_show(struct seq_file *s, void *p)
+{
+ int slot;
+
+ for (slot = 0; slot < HISI_SAS_QUEUE_SLOTS; slot++)
+ debugfs_dq_show_slot_v3_hw(s, slot, s->private);
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_dq_v3_hw);
+
+static int debugfs_iost_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_sas_debugfs_iost *debugfs_iost = s->private;
+ struct hisi_sas_iost *iost = debugfs_iost->iost;
+ int i, max_command_entries = HISI_SAS_MAX_COMMANDS;
+
+ for (i = 0; i < max_command_entries; i++, iost++) {
+ __le64 *data = &iost->qw0;
+
+ debugfs_show_row_64_v3_hw(s, i, sizeof(*iost), data);
+ }
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_iost_v3_hw);
+
+static int debugfs_iost_cache_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_sas_debugfs_iost_cache *debugfs_iost_cache = s->private;
+ struct hisi_sas_iost_itct_cache *iost_cache =
+ debugfs_iost_cache->cache;
+ u32 cache_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ * 4;
+ int i, tab_idx;
+ __le64 *iost;
+
+ for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_NUM; i++, iost_cache++) {
+ /*
+ * Data struct of IOST cache:
+ * Data[1]: BIT0~15: Table index
+ * Bit16: Valid mask
+ * Data[2]~[9]: IOST table
+ */
+ tab_idx = (iost_cache->data[1] & 0xffff);
+ iost = (__le64 *)iost_cache;
+
+ debugfs_show_row_64_v3_hw(s, tab_idx, cache_size, iost);
+ }
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_iost_cache_v3_hw);
+
+static int debugfs_itct_v3_hw_show(struct seq_file *s, void *p)
+{
+ int i;
+ struct hisi_sas_debugfs_itct *debugfs_itct = s->private;
+ struct hisi_sas_itct *itct = debugfs_itct->itct;
+
+ for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, itct++) {
+ __le64 *data = &itct->qw0;
+
+ debugfs_show_row_64_v3_hw(s, i, sizeof(*itct), data);
+ }
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_itct_v3_hw);
+
+static int debugfs_itct_cache_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_sas_debugfs_itct_cache *debugfs_itct_cache = s->private;
+ struct hisi_sas_iost_itct_cache *itct_cache =
+ debugfs_itct_cache->cache;
+ u32 cache_size = HISI_SAS_IOST_ITCT_CACHE_DW_SZ * 4;
+ int i, tab_idx;
+ __le64 *itct;
+
+ for (i = 0; i < HISI_SAS_IOST_ITCT_CACHE_NUM; i++, itct_cache++) {
+ /*
+ * Data struct of ITCT cache:
+ * Data[1]: BIT0~15: Table index
+ * Bit16: Valid mask
+ * Data[2]~[9]: ITCT table
+ */
+ tab_idx = itct_cache->data[1] & 0xffff;
+ itct = (__le64 *)itct_cache;
+
+ debugfs_show_row_64_v3_hw(s, tab_idx, cache_size, itct);
+ }
+
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(debugfs_itct_cache_v3_hw);
+
+static void debugfs_create_files_v3_hw(struct hisi_hba *hisi_hba)
+{
+ u64 *debugfs_timestamp;
+ int dump_index = hisi_hba->debugfs_dump_index;
+ struct dentry *dump_dentry;
+ struct dentry *dentry;
+ char name[256];
+ int p;
+ int c;
+ int d;
+
+ snprintf(name, 256, "%d", dump_index);
+
+ dump_dentry = debugfs_create_dir(name, hisi_hba->debugfs_dump_dentry);
+
+ debugfs_timestamp = &hisi_hba->debugfs_timestamp[dump_index];
+
+ debugfs_create_u64("timestamp", 0400, dump_dentry,
+ debugfs_timestamp);
+
+ debugfs_create_file("global", 0400, dump_dentry,
+ &hisi_hba->debugfs_regs[dump_index][DEBUGFS_GLOBAL],
+ &debugfs_global_v3_hw_fops);
+
+ /* Create port dir and files */
+ dentry = debugfs_create_dir("port", dump_dentry);
+ for (p = 0; p < hisi_hba->n_phy; p++) {
+ snprintf(name, 256, "%d", p);
+
+ debugfs_create_file(name, 0400, dentry,
+ &hisi_hba->debugfs_port_reg[dump_index][p],
+ &debugfs_port_v3_hw_fops);
+ }
+
+ /* Create CQ dir and files */
+ dentry = debugfs_create_dir("cq", dump_dentry);
+ for (c = 0; c < hisi_hba->queue_count; c++) {
+ snprintf(name, 256, "%d", c);
+
+ debugfs_create_file(name, 0400, dentry,
+ &hisi_hba->debugfs_cq[dump_index][c],
+ &debugfs_cq_v3_hw_fops);
+ }
+
+ /* Create DQ dir and files */
+ dentry = debugfs_create_dir("dq", dump_dentry);
+ for (d = 0; d < hisi_hba->queue_count; d++) {
+ snprintf(name, 256, "%d", d);
+
+ debugfs_create_file(name, 0400, dentry,
+ &hisi_hba->debugfs_dq[dump_index][d],
+ &debugfs_dq_v3_hw_fops);
+ }
+
+ debugfs_create_file("iost", 0400, dump_dentry,
+ &hisi_hba->debugfs_iost[dump_index],
+ &debugfs_iost_v3_hw_fops);
+
+ debugfs_create_file("iost_cache", 0400, dump_dentry,
+ &hisi_hba->debugfs_iost_cache[dump_index],
+ &debugfs_iost_cache_v3_hw_fops);
+
+ debugfs_create_file("itct", 0400, dump_dentry,
+ &hisi_hba->debugfs_itct[dump_index],
+ &debugfs_itct_v3_hw_fops);
+
+ debugfs_create_file("itct_cache", 0400, dump_dentry,
+ &hisi_hba->debugfs_itct_cache[dump_index],
+ &debugfs_itct_cache_v3_hw_fops);
+
+ debugfs_create_file("axi", 0400, dump_dentry,
+ &hisi_hba->debugfs_regs[dump_index][DEBUGFS_AXI],
+ &debugfs_axi_v3_hw_fops);
+
+ debugfs_create_file("ras", 0400, dump_dentry,
+ &hisi_hba->debugfs_regs[dump_index][DEBUGFS_RAS],
+ &debugfs_ras_v3_hw_fops);
+}
+
+static void debugfs_snapshot_regs_v3_hw(struct hisi_hba *hisi_hba)
+{
+ 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);
+}
+
+static ssize_t debugfs_trigger_dump_v3_hw_write(struct file *file,
+ const char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ 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;
+
+ if (copy_from_user(buf, user_buf, count))
+ return -EFAULT;
+
+ if (buf[0] != '1')
+ return -EFAULT;
+
+ queue_work(hisi_hba->wq, &hisi_hba->debugfs_work);
+
+ return count;
+}
+
+static const struct file_operations debugfs_trigger_dump_v3_hw_fops = {
+ .write = &debugfs_trigger_dump_v3_hw_write,
+ .owner = THIS_MODULE,
+};
+
+enum {
+ HISI_SAS_BIST_LOOPBACK_MODE_DIGITAL = 0,
+ HISI_SAS_BIST_LOOPBACK_MODE_SERDES,
+ HISI_SAS_BIST_LOOPBACK_MODE_REMOTE,
+};
+
+static const struct {
+ int value;
+ char *name;
+} debugfs_loop_linkrate_v3_hw[] = {
+ { SAS_LINK_RATE_1_5_GBPS, "1.5 Gbit" },
+ { SAS_LINK_RATE_3_0_GBPS, "3.0 Gbit" },
+ { SAS_LINK_RATE_6_0_GBPS, "6.0 Gbit" },
+ { SAS_LINK_RATE_12_0_GBPS, "12.0 Gbit" },
+};
+
+static int debugfs_bist_linkrate_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_hba *hisi_hba = s->private;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(debugfs_loop_linkrate_v3_hw); i++) {
+ int match = (hisi_hba->debugfs_bist_linkrate ==
+ debugfs_loop_linkrate_v3_hw[i].value);
+
+ seq_printf(s, "%s%s%s ", match ? "[" : "",
+ debugfs_loop_linkrate_v3_hw[i].name,
+ match ? "]" : "");
+ }
+ seq_puts(s, "\n");
+
+ return 0;
+}
+
+static ssize_t debugfs_bist_linkrate_v3_hw_write(struct file *filp,
+ const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct seq_file *m = filp->private_data;
+ struct hisi_hba *hisi_hba = m->private;
+ char kbuf[16] = {}, *pkbuf;
+ bool found = false;
+ int i;
+
+ if (hisi_hba->debugfs_bist_enable)
+ return -EPERM;
+
+ if (count >= sizeof(kbuf))
+ return -EOVERFLOW;
+
+ if (copy_from_user(kbuf, buf, count))
+ return -EINVAL;
+
+ pkbuf = strstrip(kbuf);
+
+ for (i = 0; i < ARRAY_SIZE(debugfs_loop_linkrate_v3_hw); i++) {
+ if (!strncmp(debugfs_loop_linkrate_v3_hw[i].name,
+ pkbuf, 16)) {
+ hisi_hba->debugfs_bist_linkrate =
+ debugfs_loop_linkrate_v3_hw[i].value;
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ return -EINVAL;
+
+ 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,
+};
+
+static const struct {
+ int value;
+ char *name;
+} debugfs_loop_code_mode_v3_hw[] = {
+ { HISI_SAS_BIST_CODE_MODE_PRBS7, "PRBS7" },
+ { HISI_SAS_BIST_CODE_MODE_PRBS23, "PRBS23" },
+ { HISI_SAS_BIST_CODE_MODE_PRBS31, "PRBS31" },
+ { HISI_SAS_BIST_CODE_MODE_JTPAT, "JTPAT" },
+ { HISI_SAS_BIST_CODE_MODE_CJTPAT, "CJTPAT" },
+ { HISI_SAS_BIST_CODE_MODE_SCRAMBED_0, "SCRAMBED_0" },
+ { HISI_SAS_BIST_CODE_MODE_TRAIN, "TRAIN" },
+ { HISI_SAS_BIST_CODE_MODE_TRAIN_DONE, "TRAIN_DONE" },
+ { HISI_SAS_BIST_CODE_MODE_HFTP, "HFTP" },
+ { HISI_SAS_BIST_CODE_MODE_MFTP, "MFTP" },
+ { HISI_SAS_BIST_CODE_MODE_LFTP, "LFTP" },
+ { HISI_SAS_BIST_CODE_MODE_FIXED_DATA, "FIXED_DATA" },
+};
+
+static int debugfs_bist_code_mode_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_hba *hisi_hba = s->private;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(debugfs_loop_code_mode_v3_hw); i++) {
+ int match = (hisi_hba->debugfs_bist_code_mode ==
+ debugfs_loop_code_mode_v3_hw[i].value);
+
+ seq_printf(s, "%s%s%s ", match ? "[" : "",
+ debugfs_loop_code_mode_v3_hw[i].name,
+ match ? "]" : "");
+ }
+ seq_puts(s, "\n");
+
+ return 0;
+}
+
+static ssize_t debugfs_bist_code_mode_v3_hw_write(struct file *filp,
+ const char __user *buf,
+ size_t count,
+ loff_t *ppos)
+{
+ struct seq_file *m = filp->private_data;
+ struct hisi_hba *hisi_hba = m->private;
+ char kbuf[16] = {}, *pkbuf;
+ bool found = false;
+ int i;
+
+ if (hisi_hba->debugfs_bist_enable)
+ return -EPERM;
+
+ if (count >= sizeof(kbuf))
+ return -EINVAL;
+
+ if (copy_from_user(kbuf, buf, count))
+ return -EOVERFLOW;
+
+ pkbuf = strstrip(kbuf);
+
+ for (i = 0; i < ARRAY_SIZE(debugfs_loop_code_mode_v3_hw); i++) {
+ if (!strncmp(debugfs_loop_code_mode_v3_hw[i].name,
+ pkbuf, 16)) {
+ hisi_hba->debugfs_bist_code_mode =
+ debugfs_loop_code_mode_v3_hw[i].value;
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ return -EINVAL;
+
+ 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,
+};
+
+static ssize_t debugfs_bist_phy_v3_hw_write(struct file *filp,
+ const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct seq_file *m = filp->private_data;
+ struct hisi_hba *hisi_hba = m->private;
+ unsigned int phy_no;
+ int val;
+
+ if (hisi_hba->debugfs_bist_enable)
+ return -EPERM;
+
+ val = kstrtouint_from_user(buf, count, 0, &phy_no);
+ if (val)
+ return val;
+
+ if (phy_no >= hisi_hba->n_phy)
+ return -EINVAL;
+
+ hisi_hba->debugfs_bist_phy_no = phy_no;
+
+ return count;
+}
+
+static int debugfs_bist_phy_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_hba *hisi_hba = s->private;
+
+ seq_printf(s, "%d\n", hisi_hba->debugfs_bist_phy_no);
+
+ 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,
+};
+
+static const struct {
+ int value;
+ char *name;
+} debugfs_loop_modes_v3_hw[] = {
+ { HISI_SAS_BIST_LOOPBACK_MODE_DIGITAL, "digital" },
+ { HISI_SAS_BIST_LOOPBACK_MODE_SERDES, "serdes" },
+ { HISI_SAS_BIST_LOOPBACK_MODE_REMOTE, "remote" },
+};
+
+static int debugfs_bist_mode_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_hba *hisi_hba = s->private;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(debugfs_loop_modes_v3_hw); i++) {
+ int match = (hisi_hba->debugfs_bist_mode ==
+ debugfs_loop_modes_v3_hw[i].value);
+
+ seq_printf(s, "%s%s%s ", match ? "[" : "",
+ debugfs_loop_modes_v3_hw[i].name,
+ match ? "]" : "");
+ }
+ seq_puts(s, "\n");
+
+ return 0;
+}
+
+static ssize_t debugfs_bist_mode_v3_hw_write(struct file *filp,
+ const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct seq_file *m = filp->private_data;
+ struct hisi_hba *hisi_hba = m->private;
+ char kbuf[16] = {}, *pkbuf;
+ bool found = false;
+ int i;
+
+ if (hisi_hba->debugfs_bist_enable)
+ return -EPERM;
+
+ if (count >= sizeof(kbuf))
+ return -EINVAL;
+
+ if (copy_from_user(kbuf, buf, count))
+ return -EOVERFLOW;
+
+ pkbuf = strstrip(kbuf);
+
+ for (i = 0; i < ARRAY_SIZE(debugfs_loop_modes_v3_hw); i++) {
+ if (!strncmp(debugfs_loop_modes_v3_hw[i].name, pkbuf, 16)) {
+ hisi_hba->debugfs_bist_mode =
+ debugfs_loop_modes_v3_hw[i].value;
+ found = true;
+ break;
+ }
+ }
+
+ if (!found)
+ return -EINVAL;
+
+ 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,
+};
+
+static ssize_t debugfs_bist_enable_v3_hw_write(struct file *filp,
+ const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct seq_file *m = filp->private_data;
+ struct hisi_hba *hisi_hba = m->private;
+ unsigned int enable;
+ int val;
+
+ val = kstrtouint_from_user(buf, count, 0, &enable);
+ if (val)
+ return val;
+
+ if (enable > 1)
+ return -EINVAL;
+
+ if (enable == hisi_hba->debugfs_bist_enable)
+ return count;
+
+ val = debugfs_set_bist_v3_hw(hisi_hba, enable);
+ if (val < 0)
+ return val;
+
+ hisi_hba->debugfs_bist_enable = enable;
+
+ return count;
+}
+
+static int debugfs_bist_enable_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_hba *hisi_hba = s->private;
+
+ seq_printf(s, "%d\n", hisi_hba->debugfs_bist_enable);
+
+ 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,
+};
+
+static const struct {
+ char *name;
+} debugfs_ffe_name_v3_hw[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 debugfs_v3_hw_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 debugfs_v3_hw_show(struct seq_file *s, void *p)
+{
+ u32 *val = s->private;
+
+ seq_printf(s, "0x%x\n", *val);
+
+ 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,
+};
+
+static ssize_t debugfs_phy_down_cnt_v3_hw_write(struct file *filp,
+ const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct seq_file *s = filp->private_data;
+ struct hisi_sas_phy *phy = s->private;
+ unsigned int set_val;
+ int res;
+
+ res = kstrtouint_from_user(buf, count, 0, &set_val);
+ if (res)
+ return res;
+
+ if (set_val > 0)
+ return -EINVAL;
+
+ atomic_set(&phy->down_cnt, 0);
+
+ return count;
+}
+
+static int debugfs_phy_down_cnt_v3_hw_show(struct seq_file *s, void *p)
+{
+ struct hisi_sas_phy *phy = s->private;
+
+ seq_printf(s, "%d\n", atomic_read(&phy->down_cnt));
+
+ 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,
+};
+
+static void debugfs_work_handler_v3_hw(struct work_struct *work)
+{
+ struct hisi_hba *hisi_hba =
+ container_of(work, struct hisi_hba, debugfs_work);
+ 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_regs_v3_hw(hisi_hba);
+ hisi_hba->debugfs_dump_index++;
+}
+
+static void debugfs_release_v3_hw(struct hisi_hba *hisi_hba, int dump_index)
+{
+ struct device *dev = hisi_hba->dev;
+ int i;
+
+ devm_kfree(dev, hisi_hba->debugfs_iost_cache[dump_index].cache);
+ devm_kfree(dev, hisi_hba->debugfs_itct_cache[dump_index].cache);
+ devm_kfree(dev, hisi_hba->debugfs_iost[dump_index].iost);
+ devm_kfree(dev, hisi_hba->debugfs_itct[dump_index].itct);
+
+ for (i = 0; i < hisi_hba->queue_count; i++)
+ devm_kfree(dev, hisi_hba->debugfs_dq[dump_index][i].hdr);
+
+ for (i = 0; i < hisi_hba->queue_count; i++)
+ devm_kfree(dev,
+ hisi_hba->debugfs_cq[dump_index][i].complete_hdr);
+
+ for (i = 0; i < DEBUGFS_REGS_NUM; i++)
+ devm_kfree(dev, hisi_hba->debugfs_regs[dump_index][i].data);
+
+ for (i = 0; i < hisi_hba->n_phy; i++)
+ devm_kfree(dev, hisi_hba->debugfs_port_reg[dump_index][i].data);
+}
+
+static const struct hisi_sas_debugfs_reg *debugfs_reg_array_v3_hw[DEBUGFS_REGS_NUM] = {
+ [DEBUGFS_GLOBAL] = &debugfs_global_reg,
+ [DEBUGFS_AXI] = &debugfs_axi_reg,
+ [DEBUGFS_RAS] = &debugfs_ras_reg,
+};
+
+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;
+ size_t sz;
+
+ for (r = 0; r < DEBUGFS_REGS_NUM; r++) {
+ struct hisi_sas_debugfs_regs *regs =
+ &hisi_hba->debugfs_regs[dump_index][r];
+
+ sz = debugfs_reg_array_v3_hw[r]->count * 4;
+ regs->data = devm_kmalloc(dev, sz, GFP_KERNEL);
+ if (!regs->data)
+ goto fail;
+ regs->hisi_hba = hisi_hba;
+ }
+
+ sz = debugfs_port_reg.count * 4;
+ for (p = 0; p < hisi_hba->n_phy; p++) {
+ struct hisi_sas_debugfs_port *port =
+ &hisi_hba->debugfs_port_reg[dump_index][p];
+
+ port->data = devm_kmalloc(dev, sz, GFP_KERNEL);
+ if (!port->data)
+ goto fail;
+ port->phy = &hisi_hba->phy[p];
+ }
+
+ sz = hw->complete_hdr_size * HISI_SAS_QUEUE_SLOTS;
+ for (c = 0; c < hisi_hba->queue_count; c++) {
+ struct hisi_sas_debugfs_cq *cq =
+ &hisi_hba->debugfs_cq[dump_index][c];
+
+ cq->complete_hdr = devm_kmalloc(dev, sz, GFP_KERNEL);
+ if (!cq->complete_hdr)
+ goto fail;
+ cq->cq = &hisi_hba->cq[c];
+ }
+
+ sz = sizeof(struct hisi_sas_cmd_hdr) * HISI_SAS_QUEUE_SLOTS;
+ for (d = 0; d < hisi_hba->queue_count; d++) {
+ struct hisi_sas_debugfs_dq *dq =
+ &hisi_hba->debugfs_dq[dump_index][d];
+
+ dq->hdr = devm_kmalloc(dev, sz, GFP_KERNEL);
+ if (!dq->hdr)
+ goto fail;
+ dq->dq = &hisi_hba->dq[d];
+ }
+
+ sz = HISI_SAS_MAX_COMMANDS * sizeof(struct hisi_sas_iost);
+
+ hisi_hba->debugfs_iost[dump_index].iost =
+ devm_kmalloc(dev, sz, GFP_KERNEL);
+ if (!hisi_hba->debugfs_iost[dump_index].iost)
+ goto fail;
+
+ sz = HISI_SAS_IOST_ITCT_CACHE_NUM *
+ sizeof(struct hisi_sas_iost_itct_cache);
+
+ hisi_hba->debugfs_iost_cache[dump_index].cache =
+ devm_kmalloc(dev, sz, GFP_KERNEL);
+ if (!hisi_hba->debugfs_iost_cache[dump_index].cache)
+ goto fail;
+
+ sz = HISI_SAS_IOST_ITCT_CACHE_NUM *
+ sizeof(struct hisi_sas_iost_itct_cache);
+
+ hisi_hba->debugfs_itct_cache[dump_index].cache =
+ devm_kmalloc(dev, sz, GFP_KERNEL);
+ if (!hisi_hba->debugfs_itct_cache[dump_index].cache)
+ goto fail;
+
+ /* New memory allocation must be locate before itct */
+ sz = HISI_SAS_MAX_ITCT_ENTRIES * sizeof(struct hisi_sas_itct);
+
+ hisi_hba->debugfs_itct[dump_index].itct =
+ devm_kmalloc(dev, sz, GFP_KERNEL);
+ if (!hisi_hba->debugfs_itct[dump_index].itct)
+ goto fail;
+
+ return 0;
+fail:
+ for (i = 0; i < hisi_sas_debugfs_dump_count; i++)
+ debugfs_release_v3_hw(hisi_hba, i);
+ return -ENOMEM;
+}
+
+static void debugfs_phy_down_cnt_init_v3_hw(struct hisi_hba *hisi_hba)
+{
+ struct dentry *dir = debugfs_create_dir("phy_down_cnt",
+ hisi_hba->debugfs_dir);
+ char name[16];
+ int phy_no;
+
+ for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
+ snprintf(name, 16, "%d", phy_no);
+ debugfs_create_file(name, 0600, dir,
+ &hisi_hba->phy[phy_no],
+ &debugfs_phy_down_cnt_v3_hw_fops);
+ }
+}
+
+static void debugfs_bist_init_v3_hw(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,
+ hisi_hba->debugfs_bist_dentry, hisi_hba,
+ &debugfs_bist_linkrate_v3_hw_fops);
+
+ debugfs_create_file("code_mode", 0600,
+ hisi_hba->debugfs_bist_dentry, hisi_hba,
+ &debugfs_bist_code_mode_v3_hw_fops);
+
+ debugfs_create_file("fixed_code", 0600,
+ hisi_hba->debugfs_bist_dentry,
+ &hisi_hba->debugfs_bist_fixed_code[0],
+ &debugfs_v3_hw_fops);
+
+ debugfs_create_file("fixed_code_1", 0600,
+ hisi_hba->debugfs_bist_dentry,
+ &hisi_hba->debugfs_bist_fixed_code[1],
+ &debugfs_v3_hw_fops);
+
+ debugfs_create_file("phy_id", 0600, hisi_hba->debugfs_bist_dentry,
+ hisi_hba, &debugfs_bist_phy_v3_hw_fops);
+
+ debugfs_create_u32("cnt", 0600, hisi_hba->debugfs_bist_dentry,
+ &hisi_hba->debugfs_bist_cnt);
+
+ debugfs_create_file("loopback_mode", 0600,
+ hisi_hba->debugfs_bist_dentry,
+ hisi_hba, &debugfs_bist_mode_v3_hw_fops);
+
+ debugfs_create_file("enable", 0600, hisi_hba->debugfs_bist_dentry,
+ hisi_hba, &debugfs_bist_enable_v3_hw_fops);
+
+ 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(debugfs_ffe_name_v3_hw[i].name,
+ 0600, ffe_dentry,
+ &hisi_hba->debugfs_bist_ffe[phy_no][i],
+ &debugfs_v3_hw_fops);
+ }
+ }
+
+ hisi_hba->debugfs_bist_linkrate = SAS_LINK_RATE_1_5_GBPS;
+}
+
+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);
+ debugfs_create_file("trigger_dump", 0200,
+ hisi_hba->debugfs_dir,
+ hisi_hba,
+ &debugfs_trigger_dump_v3_hw_fops);
+
+ /* create bist structures */
+ debugfs_bist_init_v3_hw(hisi_hba);
+
+ hisi_hba->debugfs_dump_dentry =
+ debugfs_create_dir("dump", hisi_hba->debugfs_dir);
+
+ debugfs_phy_down_cnt_init_v3_hw(hisi_hba);
+
+ for (i = 0; i < hisi_sas_debugfs_dump_count; i++) {
+ if (debugfs_alloc_v3_hw(hisi_hba, i)) {
+ debugfs_remove_recursive(hisi_hba->debugfs_dir);
+ dev_dbg(dev, "failed to init debugfs!\n");
+ break;
+ }
+ }
+}
+
+static void debugfs_exit_v3_hw(struct hisi_hba *hisi_hba)
+{
+ debugfs_remove_recursive(hisi_hba->debugfs_dir);
+}
+
static int
hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
@@ -3308,21 +4497,21 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
if (hisi_sas_debugfs_enable)
- hisi_sas_debugfs_init(hisi_hba);
+ debugfs_init_v3_hw(hisi_hba);
rc = interrupt_preinit_v3_hw(hisi_hba);
if (rc)
- goto err_out_ha;
+ goto err_out_debugfs;
dev_err(dev, "%d hw queues\n", shost->nr_hw_queues);
rc = scsi_add_host(shost, dev);
if (rc)
- goto err_out_ha;
+ goto err_out_free_irq_vectors;
rc = sas_register_ha(sha);
if (rc)
goto err_out_register_ha;
- rc = hisi_hba->hw->hw_init(hisi_hba);
+ rc = hisi_sas_v3_init(hisi_hba);
if (rc)
goto err_out_register_ha;
@@ -3343,8 +4532,12 @@ hisi_sas_v3_probe(struct pci_dev *pdev, const struct pci_device_id *id)
err_out_register_ha:
scsi_remove_host(shost);
+err_out_free_irq_vectors:
+ pci_free_irq_vectors(pdev);
+err_out_debugfs:
+ debugfs_exit_v3_hw(hisi_hba);
err_out_ha:
- hisi_sas_debugfs_exit(hisi_hba);
+ hisi_sas_free(hisi_hba);
scsi_host_put(shost);
err_out_regions:
pci_release_regions(pdev);
@@ -3389,7 +4582,7 @@ static void hisi_sas_v3_remove(struct pci_dev *pdev)
pci_release_regions(pdev);
pci_disable_device(pdev);
hisi_sas_free(hisi_hba);
- hisi_sas_debugfs_exit(hisi_hba);
+ debugfs_exit_v3_hw(hisi_hba);
scsi_host_put(shost);
}
@@ -3440,7 +4633,6 @@ static int _suspend_v3_hw(struct device *device)
struct hisi_hba *hisi_hba = sha->lldd_ha;
struct device *dev = hisi_hba->dev;
struct Scsi_Host *shost = hisi_hba->shost;
- pci_power_t device_state;
int rc;
if (!pdev->pm_cap) {
@@ -3466,12 +4658,7 @@ static int _suspend_v3_hw(struct device *device)
hisi_sas_init_mem(hisi_hba);
- device_state = pci_choose_state(pdev, PMSG_SUSPEND);
- dev_warn(dev, "entering operating state [D%d]\n",
- device_state);
- pci_save_state(pdev);
- pci_disable_device(pdev);
- pci_set_power_state(pdev, device_state);
+ dev_warn(dev, "entering suspend state\n");
hisi_sas_release_tasks(hisi_hba);
@@ -3491,16 +4678,7 @@ static int _resume_v3_hw(struct device *device)
dev_warn(dev, "resuming from operating state [D%d]\n",
device_state);
- pci_set_power_state(pdev, PCI_D0);
- pci_enable_wake(pdev, PCI_D0, 0);
- pci_restore_state(pdev);
- rc = pci_enable_device(pdev);
- if (rc) {
- dev_err(dev, "enable device failed during resume (%d)\n", rc);
- return rc;
- }
- pci_set_master(pdev);
scsi_unblock_requests(shost);
clear_bit(HISI_SAS_REJECT_CMD_BIT, &hisi_hba->flags);
@@ -3508,17 +4686,16 @@ static int _resume_v3_hw(struct device *device)
rc = hw_init_v3_hw(hisi_hba);
if (rc) {
scsi_remove_host(shost);
- pci_disable_device(pdev);
return rc;
}
- hisi_hba->hw->phys_init(hisi_hba);
+ phys_init_v3_hw(hisi_hba);
sas_resume_ha(sha);
clear_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags);
return 0;
}
-static int suspend_v3_hw(struct device *device)
+static int __maybe_unused suspend_v3_hw(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
@@ -3534,7 +4711,7 @@ static int suspend_v3_hw(struct device *device)
return rc;
}
-static int resume_v3_hw(struct device *device)
+static int __maybe_unused resume_v3_hw(struct device *device)
{
struct pci_dev *pdev = to_pci_dev(device);
struct sas_ha_struct *sha = pci_get_drvdata(pdev);
@@ -3557,21 +4734,10 @@ static const struct pci_error_handlers hisi_sas_err_handler = {
.reset_done = hisi_sas_reset_done_v3_hw,
};
-static int runtime_suspend_v3_hw(struct device *dev)
-{
- return suspend_v3_hw(dev);
-}
-
-static int runtime_resume_v3_hw(struct device *dev)
-{
- return resume_v3_hw(dev);
-}
-
-static const struct dev_pm_ops hisi_sas_v3_pm_ops = {
- SET_SYSTEM_SLEEP_PM_OPS(suspend_v3_hw, resume_v3_hw)
- SET_RUNTIME_PM_OPS(runtime_suspend_v3_hw,
- runtime_resume_v3_hw, NULL)
-};
+static UNIVERSAL_DEV_PM_OPS(hisi_sas_v3_pm_ops,
+ suspend_v3_hw,
+ resume_v3_hw,
+ NULL);
static struct pci_driver sas_v3_pci_driver = {
.name = DRV_NAME,