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path: root/drivers/net/wireless/iwlwifi/mvm/debugfs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/debugfs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/debugfs.c324
1 files changed, 265 insertions, 59 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
index 29ca72695eaa..7d18f466fbb3 100644
--- a/drivers/net/wireless/iwlwifi/mvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/debugfs.c
@@ -146,17 +146,47 @@ static ssize_t iwl_dbgfs_fw_error_dump_read(struct file *file,
char __user *user_buf,
size_t count, loff_t *ppos)
{
- struct iwl_fw_error_dump_file *dump_file = file->private_data;
+ struct iwl_mvm_dump_ptrs *dump_ptrs = (void *)file->private_data;
+ ssize_t bytes_read = 0;
+ ssize_t bytes_read_trans = 0;
+
+ if (*ppos < dump_ptrs->op_mode_len)
+ bytes_read +=
+ simple_read_from_buffer(user_buf, count, ppos,
+ dump_ptrs->op_mode_ptr,
+ dump_ptrs->op_mode_len);
+
+ if (bytes_read < 0 || *ppos < dump_ptrs->op_mode_len)
+ return bytes_read;
+
+ if (dump_ptrs->trans_ptr) {
+ *ppos -= dump_ptrs->op_mode_len;
+ bytes_read_trans =
+ simple_read_from_buffer(user_buf + bytes_read,
+ count - bytes_read, ppos,
+ dump_ptrs->trans_ptr->data,
+ dump_ptrs->trans_ptr->len);
+ *ppos += dump_ptrs->op_mode_len;
+
+ if (bytes_read_trans >= 0)
+ bytes_read += bytes_read_trans;
+ else if (!bytes_read)
+ /* propagate the failure */
+ return bytes_read_trans;
+ }
+
+ return bytes_read;
- return simple_read_from_buffer(user_buf, count, ppos,
- dump_file,
- le32_to_cpu(dump_file->file_len));
}
static int iwl_dbgfs_fw_error_dump_release(struct inode *inode,
struct file *file)
{
- vfree(file->private_data);
+ struct iwl_mvm_dump_ptrs *dump_ptrs = (void *)file->private_data;
+
+ vfree(dump_ptrs->op_mode_ptr);
+ vfree(dump_ptrs->trans_ptr);
+ kfree(dump_ptrs);
return 0;
}
@@ -312,20 +342,69 @@ static ssize_t iwl_dbgfs_disable_power_off_write(struct iwl_mvm *mvm, char *buf,
BT_MBOX_MSG(notif, _num, _field), \
true ? "\n" : ", ");
-static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
+static
+int iwl_mvm_coex_dump_mbox(struct iwl_bt_coex_profile_notif *notif, char *buf,
+ int pos, int bufsz)
{
- struct iwl_mvm *mvm = file->private_data;
- struct iwl_bt_coex_profile_notif *notif = &mvm->last_bt_notif;
- char *buf;
- int ret, pos = 0, bufsz = sizeof(char) * 1024;
+ pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
- buf = kmalloc(bufsz, GFP_KERNEL);
- if (!buf)
- return -ENOMEM;
+ BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
+ BT_MBOX_PRINT(0, LE_PROF1, false);
+ BT_MBOX_PRINT(0, LE_PROF2, false);
+ BT_MBOX_PRINT(0, LE_PROF_OTHER, false);
+ BT_MBOX_PRINT(0, CHL_SEQ_N, false);
+ BT_MBOX_PRINT(0, INBAND_S, false);
+ BT_MBOX_PRINT(0, LE_MIN_RSSI, false);
+ BT_MBOX_PRINT(0, LE_SCAN, false);
+ BT_MBOX_PRINT(0, LE_ADV, false);
+ BT_MBOX_PRINT(0, LE_MAX_TX_POWER, false);
+ BT_MBOX_PRINT(0, OPEN_CON_1, true);
- mutex_lock(&mvm->mutex);
+ pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw1:\n");
+
+ BT_MBOX_PRINT(1, BR_MAX_TX_POWER, false);
+ BT_MBOX_PRINT(1, IP_SR, false);
+ BT_MBOX_PRINT(1, LE_MSTR, false);
+ BT_MBOX_PRINT(1, AGGR_TRFC_LD, false);
+ BT_MBOX_PRINT(1, MSG_TYPE, false);
+ BT_MBOX_PRINT(1, SSN, true);
+
+ pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw2:\n");
+
+ BT_MBOX_PRINT(2, SNIFF_ACT, false);
+ BT_MBOX_PRINT(2, PAG, false);
+ BT_MBOX_PRINT(2, INQUIRY, false);
+ BT_MBOX_PRINT(2, CONN, false);
+ BT_MBOX_PRINT(2, SNIFF_INTERVAL, false);
+ BT_MBOX_PRINT(2, DISC, false);
+ BT_MBOX_PRINT(2, SCO_TX_ACT, false);
+ BT_MBOX_PRINT(2, SCO_RX_ACT, false);
+ BT_MBOX_PRINT(2, ESCO_RE_TX, false);
+ BT_MBOX_PRINT(2, SCO_DURATION, true);
+
+ pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw3:\n");
+
+ BT_MBOX_PRINT(3, SCO_STATE, false);
+ BT_MBOX_PRINT(3, SNIFF_STATE, false);
+ BT_MBOX_PRINT(3, A2DP_STATE, false);
+ BT_MBOX_PRINT(3, ACL_STATE, false);
+ BT_MBOX_PRINT(3, MSTR_STATE, false);
+ BT_MBOX_PRINT(3, OBX_STATE, false);
+ BT_MBOX_PRINT(3, OPEN_CON_2, false);
+ BT_MBOX_PRINT(3, TRAFFIC_LOAD, false);
+ BT_MBOX_PRINT(3, CHL_SEQN_LSB, false);
+ BT_MBOX_PRINT(3, INBAND_P, false);
+ BT_MBOX_PRINT(3, MSG_TYPE_2, false);
+ BT_MBOX_PRINT(3, SSN_2, false);
+ BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
+
+ return pos;
+}
+static
+int iwl_mvm_coex_dump_mbox_old(struct iwl_bt_coex_profile_notif_old *notif,
+ char *buf, int pos, int bufsz)
+{
pos += scnprintf(buf+pos, bufsz-pos, "MBOX dw0:\n");
BT_MBOX_PRINT(0, LE_SLAVE_LAT, false);
@@ -378,25 +457,59 @@ static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
BT_MBOX_PRINT(3, SSN_2, false);
BT_MBOX_PRINT(3, UPDATE_REQUEST, true);
- pos += scnprintf(buf+pos, bufsz-pos, "bt_status = %d\n",
- notif->bt_status);
- pos += scnprintf(buf+pos, bufsz-pos, "bt_open_conn = %d\n",
- notif->bt_open_conn);
- pos += scnprintf(buf+pos, bufsz-pos, "bt_traffic_load = %d\n",
- notif->bt_traffic_load);
- pos += scnprintf(buf+pos, bufsz-pos, "bt_agg_traffic_load = %d\n",
- notif->bt_agg_traffic_load);
- pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
- notif->bt_ci_compliance);
- pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
- le32_to_cpu(notif->primary_ch_lut));
- pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
- le32_to_cpu(notif->secondary_ch_lut));
- pos += scnprintf(buf+pos, bufsz-pos, "bt_activity_grading = %d\n",
- le32_to_cpu(notif->bt_activity_grading));
- pos += scnprintf(buf+pos, bufsz-pos,
- "antenna isolation = %d CORUN LUT index = %d\n",
- mvm->last_ant_isol, mvm->last_corun_lut);
+ return pos;
+}
+
+static ssize_t iwl_dbgfs_bt_notif_read(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ struct iwl_mvm *mvm = file->private_data;
+ char *buf;
+ int ret, pos = 0, bufsz = sizeof(char) * 1024;
+
+ buf = kmalloc(bufsz, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
+
+ mutex_lock(&mvm->mutex);
+
+ if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
+ struct iwl_bt_coex_profile_notif_old *notif =
+ &mvm->last_bt_notif_old;
+
+ pos += iwl_mvm_coex_dump_mbox_old(notif, buf, pos, bufsz);
+
+ pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
+ notif->bt_ci_compliance);
+ pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
+ le32_to_cpu(notif->primary_ch_lut));
+ pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
+ le32_to_cpu(notif->secondary_ch_lut));
+ pos += scnprintf(buf+pos,
+ bufsz-pos, "bt_activity_grading = %d\n",
+ le32_to_cpu(notif->bt_activity_grading));
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "antenna isolation = %d CORUN LUT index = %d\n",
+ mvm->last_ant_isol, mvm->last_corun_lut);
+ } else {
+ struct iwl_bt_coex_profile_notif *notif =
+ &mvm->last_bt_notif;
+
+ pos += iwl_mvm_coex_dump_mbox(notif, buf, pos, bufsz);
+
+ pos += scnprintf(buf+pos, bufsz-pos, "bt_ci_compliance = %d\n",
+ notif->bt_ci_compliance);
+ pos += scnprintf(buf+pos, bufsz-pos, "primary_ch_lut = %d\n",
+ le32_to_cpu(notif->primary_ch_lut));
+ pos += scnprintf(buf+pos, bufsz-pos, "secondary_ch_lut = %d\n",
+ le32_to_cpu(notif->secondary_ch_lut));
+ pos += scnprintf(buf+pos,
+ bufsz-pos, "bt_activity_grading = %d\n",
+ le32_to_cpu(notif->bt_activity_grading));
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "antenna isolation = %d CORUN LUT index = %d\n",
+ mvm->last_ant_isol, mvm->last_corun_lut);
+ }
mutex_unlock(&mvm->mutex);
@@ -411,28 +524,57 @@ static ssize_t iwl_dbgfs_bt_cmd_read(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
struct iwl_mvm *mvm = file->private_data;
- struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
char buf[256];
int bufsz = sizeof(buf);
int pos = 0;
mutex_lock(&mvm->mutex);
- pos += scnprintf(buf+pos, bufsz-pos, "Channel inhibition CMD\n");
- pos += scnprintf(buf+pos, bufsz-pos,
- "\tPrimary Channel Bitmap 0x%016llx Fat: %d\n",
- le64_to_cpu(cmd->bt_primary_ci),
- !!cmd->co_run_bw_primary);
- pos += scnprintf(buf+pos, bufsz-pos,
- "\tSecondary Channel Bitmap 0x%016llx Fat: %d\n",
- le64_to_cpu(cmd->bt_secondary_ci),
- !!cmd->co_run_bw_secondary);
-
- pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n");
- pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill Mask 0x%08x\n",
- iwl_bt_ack_kill_msk[mvm->bt_kill_msk]);
- pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill Mask 0x%08x\n",
- iwl_bt_cts_kill_msk[mvm->bt_kill_msk]);
+ if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_BT_COEX_SPLIT)) {
+ struct iwl_bt_coex_ci_cmd_old *cmd = &mvm->last_bt_ci_cmd_old;
+
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "Channel inhibition CMD\n");
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tPrimary Channel Bitmap 0x%016llx\n",
+ le64_to_cpu(cmd->bt_primary_ci));
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tSecondary Channel Bitmap 0x%016llx\n",
+ le64_to_cpu(cmd->bt_secondary_ci));
+
+ pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n");
+ pos += scnprintf(buf+pos, bufsz-pos, "\tACK Kill Mask 0x%08x\n",
+ iwl_bt_ctl_kill_msk[mvm->bt_ack_kill_msk[0]]);
+ pos += scnprintf(buf+pos, bufsz-pos, "\tCTS Kill Mask 0x%08x\n",
+ iwl_bt_ctl_kill_msk[mvm->bt_cts_kill_msk[0]]);
+
+ } else {
+ struct iwl_bt_coex_ci_cmd *cmd = &mvm->last_bt_ci_cmd;
+
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "Channel inhibition CMD\n");
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tPrimary Channel Bitmap 0x%016llx\n",
+ le64_to_cpu(cmd->bt_primary_ci));
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tSecondary Channel Bitmap 0x%016llx\n",
+ le64_to_cpu(cmd->bt_secondary_ci));
+
+ pos += scnprintf(buf+pos, bufsz-pos, "BT Configuration CMD\n");
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tPrimary: ACK Kill Mask 0x%08x\n",
+ iwl_bt_ctl_kill_msk[mvm->bt_ack_kill_msk[0]]);
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tPrimary: CTS Kill Mask 0x%08x\n",
+ iwl_bt_ctl_kill_msk[mvm->bt_cts_kill_msk[0]]);
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tSecondary: ACK Kill Mask 0x%08x\n",
+ iwl_bt_ctl_kill_msk[mvm->bt_ack_kill_msk[1]]);
+ pos += scnprintf(buf+pos, bufsz-pos,
+ "\tSecondary: CTS Kill Mask 0x%08x\n",
+ iwl_bt_ctl_kill_msk[mvm->bt_cts_kill_msk[1]]);
+
+ }
mutex_unlock(&mvm->mutex);
@@ -455,6 +597,43 @@ iwl_dbgfs_bt_tx_prio_write(struct iwl_mvm *mvm, char *buf,
return count;
}
+static ssize_t
+iwl_dbgfs_bt_force_ant_write(struct iwl_mvm *mvm, char *buf,
+ size_t count, loff_t *ppos)
+{
+ static const char * const modes_str[BT_FORCE_ANT_MAX] = {
+ [BT_FORCE_ANT_DIS] = "dis",
+ [BT_FORCE_ANT_AUTO] = "auto",
+ [BT_FORCE_ANT_BT] = "bt",
+ [BT_FORCE_ANT_WIFI] = "wifi",
+ };
+ int ret, bt_force_ant_mode;
+
+ for (bt_force_ant_mode = 0;
+ bt_force_ant_mode < ARRAY_SIZE(modes_str);
+ bt_force_ant_mode++) {
+ if (!strcmp(buf, modes_str[bt_force_ant_mode]))
+ break;
+ }
+
+ if (bt_force_ant_mode >= ARRAY_SIZE(modes_str))
+ return -EINVAL;
+
+ ret = 0;
+ mutex_lock(&mvm->mutex);
+ if (mvm->bt_force_ant_mode == bt_force_ant_mode)
+ goto out;
+
+ mvm->bt_force_ant_mode = bt_force_ant_mode;
+ IWL_DEBUG_COEX(mvm, "Force mode: %s\n",
+ modes_str[mvm->bt_force_ant_mode]);
+ ret = iwl_send_bt_init_conf(mvm);
+
+out:
+ mutex_unlock(&mvm->mutex);
+ return ret ?: count;
+}
+
#define PRINT_STATS_LE32(_str, _val) \
pos += scnprintf(buf + pos, bufsz - pos, \
fmt_table, _str, \
@@ -690,8 +869,14 @@ static ssize_t iwl_dbgfs_fw_restart_write(struct iwl_mvm *mvm, char *buf,
static ssize_t iwl_dbgfs_fw_nmi_write(struct iwl_mvm *mvm, char *buf,
size_t count, loff_t *ppos)
{
+ int ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_NMI);
+ if (ret)
+ return ret;
+
iwl_force_nmi(mvm->trans);
+ iwl_mvm_unref(mvm, IWL_MVM_REF_NMI);
+
return count;
}
@@ -975,11 +1160,11 @@ static ssize_t iwl_dbgfs_d3_sram_read(struct file *file, char __user *user_buf,
}
#endif
-#define PRINT_MVM_REF(ref) do { \
- if (test_bit(ref, mvm->ref_bitmap)) \
- pos += scnprintf(buf + pos, bufsz - pos, \
- "\t(0x%lx) %s\n", \
- BIT(ref), #ref); \
+#define PRINT_MVM_REF(ref) do { \
+ if (mvm->refs[ref]) \
+ pos += scnprintf(buf + pos, bufsz - pos, \
+ "\t(0x%lx): %d %s\n", \
+ BIT(ref), mvm->refs[ref], #ref); \
} while (0)
static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
@@ -987,12 +1172,17 @@ static ssize_t iwl_dbgfs_d0i3_refs_read(struct file *file,
size_t count, loff_t *ppos)
{
struct iwl_mvm *mvm = file->private_data;
- int pos = 0;
+ int i, pos = 0;
char buf[256];
const size_t bufsz = sizeof(buf);
+ u32 refs = 0;
+
+ for (i = 0; i < IWL_MVM_REF_COUNT; i++)
+ if (mvm->refs[i])
+ refs |= BIT(i);
- pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%lx\n",
- mvm->ref_bitmap[0]);
+ pos += scnprintf(buf + pos, bufsz - pos, "taken mvm refs: 0x%x\n",
+ refs);
PRINT_MVM_REF(IWL_MVM_REF_UCODE_DOWN);
PRINT_MVM_REF(IWL_MVM_REF_SCAN);
@@ -1018,7 +1208,7 @@ static ssize_t iwl_dbgfs_d0i3_refs_write(struct iwl_mvm *mvm, char *buf,
mutex_lock(&mvm->mutex);
- taken = test_bit(IWL_MVM_REF_USER, mvm->ref_bitmap);
+ taken = mvm->refs[IWL_MVM_REF_USER];
if (value == 1 && !taken)
iwl_mvm_ref(mvm, IWL_MVM_REF_USER);
else if (value == 0 && taken)
@@ -1054,14 +1244,21 @@ iwl_dbgfs_prph_reg_read(struct file *file,
int pos = 0;
char buf[32];
const size_t bufsz = sizeof(buf);
+ int ret;
if (!mvm->dbgfs_prph_reg_addr)
return -EINVAL;
+ ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_READ);
+ if (ret)
+ return ret;
+
pos += scnprintf(buf + pos, bufsz - pos, "Reg 0x%x: (0x%x)\n",
mvm->dbgfs_prph_reg_addr,
iwl_read_prph(mvm->trans, mvm->dbgfs_prph_reg_addr));
+ iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_READ);
+
return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
}
@@ -1071,6 +1268,7 @@ iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
{
u8 args;
u32 value;
+ int ret;
args = sscanf(buf, "%i %i", &mvm->dbgfs_prph_reg_addr, &value);
/* if we only want to set the reg address - nothing more to do */
@@ -1081,7 +1279,13 @@ iwl_dbgfs_prph_reg_write(struct iwl_mvm *mvm, char *buf,
if (args != 2)
return -EINVAL;
+ ret = iwl_mvm_ref_sync(mvm, IWL_MVM_REF_PRPH_WRITE);
+ if (ret)
+ return ret;
+
iwl_write_prph(mvm->trans, mvm->dbgfs_prph_reg_addr, value);
+
+ iwl_mvm_unref(mvm, IWL_MVM_REF_PRPH_WRITE);
out:
return count;
}
@@ -1101,6 +1305,7 @@ MVM_DEBUGFS_READ_FILE_OPS(drv_rx_stats);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_restart, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(fw_nmi, 10);
MVM_DEBUGFS_WRITE_FILE_OPS(bt_tx_prio, 10);
+MVM_DEBUGFS_WRITE_FILE_OPS(bt_force_ant, 10);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(scan_ant_rxchain, 8);
MVM_DEBUGFS_READ_WRITE_FILE_OPS(d0i3_refs, 8);
@@ -1142,6 +1347,7 @@ int iwl_mvm_dbgfs_register(struct iwl_mvm *mvm, struct dentry *dbgfs_dir)
MVM_DEBUGFS_ADD_FILE(fw_restart, mvm->debugfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(fw_nmi, mvm->debugfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(bt_tx_prio, mvm->debugfs_dir, S_IWUSR);
+ MVM_DEBUGFS_ADD_FILE(bt_force_ant, mvm->debugfs_dir, S_IWUSR);
MVM_DEBUGFS_ADD_FILE(scan_ant_rxchain, mvm->debugfs_dir,
S_IWUSR | S_IRUSR);
MVM_DEBUGFS_ADD_FILE(prph_reg, mvm->debugfs_dir, S_IWUSR | S_IRUSR);