*
* ---------------------------------------------------------------------------
*/
+#include <linux/seq_file.h>
#include "csr_wifi_hip_unifi.h"
#include "csr_wifi_hip_card.h"
+static void unifi_print_unsafe_sdio_status(card_t *card, struct seq_file *m)
+{
+#ifdef CSR_UNSAFE_SDIO_ACCESS
+ s32 iostate;
+ CsrResult r;
+ static const char *const states[] = {
+ "AWAKE", "DROWSY", "TORPID"
+ };
+#define SHARED_READ_RETRY_LIMIT 10
+ u8 b;
+
+ seq_printf(m, "Host State: %s\n", states[card->host_state]);
+
+ r = unifi_check_io_status(card, &iostate);
+ if (iostate == 1) {
+ seq_puts(m, remaining, "I/O Check: F1 disabled\n");
+ } else {
+ if (iostate == 1) {
+ seq_puts(m, "I/O Check: pending interrupt\n");
+
+ seq_printf(m, "BH reason interrupt = %d\n", card->bh_reason_unifi);
+ seq_printf(m, "BH reason host = %d\n", card->bh_reason_host);
+
+ for (i = 0; i < SHARED_READ_RETRY_LIMIT; i++) {
+ r = unifi_read_8_or_16(card, card->sdio_ctrl_addr + 2, &b);
+ if (r == CSR_RESULT_SUCCESS && !(b & 0x80)) {
+ seq_printf(m, "fhsr: %u (driver thinks is %u)\n",
+ b, card->from_host_signals_r);
+ break;
+ }
+ }
+
+ iostate = unifi_read_shared_count(card, card->sdio_ctrl_addr + 4);
+ seq_printf(m, "thsw: %u (driver thinks is %u)\n",
+ iostate, card->to_host_signals_w);
+ }
+#endif
+}
+
/*
* ---------------------------------------------------------------------------
* unifi_print_status
* None.
* ---------------------------------------------------------------------------
*/
-s32 unifi_print_status(card_t *card, char *str, s32 *remain)
+s32 unifi_print_status(card_t *card, struct seq_file *m)
{
- char *p = str;
- sdio_config_data_t *cfg;
- u16 i, n;
- s32 remaining = *remain;
- s32 written;
-#ifdef CSR_UNSAFE_SDIO_ACCESS
- s32 iostate;
- CsrResult r;
- static const char *const states[] = {
- "AWAKE", "DROWSY", "TORPID"
- };
- #define SHARED_READ_RETRY_LIMIT 10
- u8 b;
-#endif
-
- if (remaining <= 0)
- {
- return 0;
- }
-
- i = n = 0;
- written = scnprintf(p, remaining, "Chip ID %u\n",
- (u16)card->chip_id);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "Chip Version %04X\n",
- card->chip_version);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "HIP v%u.%u\n",
- (card->config_data.version >> 8) & 0xFF,
- card->config_data.version & 0xFF);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "Build %u: %s\n",
- card->build_id, card->build_id_string);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- cfg = &card->config_data;
-
- written = scnprintf(p, remaining, "sdio ctrl offset %u\n",
- cfg->sdio_ctrl_offset);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "fromhost sigbuf handle %u\n",
- cfg->fromhost_sigbuf_handle);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "tohost_sigbuf_handle %u\n",
- cfg->tohost_sigbuf_handle);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "num_fromhost_sig_frags %u\n",
- cfg->num_fromhost_sig_frags);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "num_tohost_sig_frags %u\n",
- cfg->num_tohost_sig_frags);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "num_fromhost_data_slots %u\n",
- cfg->num_fromhost_data_slots);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "num_tohost_data_slots %u\n",
- cfg->num_tohost_data_slots);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "data_slot_size %u\n",
- cfg->data_slot_size);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- /* Added by protocol version 0x0001 */
- written = scnprintf(p, remaining, "overlay_size %u\n",
- (u16)cfg->overlay_size);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- /* Added by protocol version 0x0300 */
- written = scnprintf(p, remaining, "data_slot_round %u\n",
- cfg->data_slot_round);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "sig_frag_size %u\n",
- cfg->sig_frag_size);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- /* Added by protocol version 0x0300 */
- written = scnprintf(p, remaining, "tohost_sig_pad %u\n",
- cfg->tohost_signal_padding);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- written = scnprintf(p, remaining, "\nInternal state:\n");
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- written = scnprintf(p, remaining, "Last PHY PANIC: %04x:%04x\n",
- card->last_phy_panic_code, card->last_phy_panic_arg);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "Last MAC PANIC: %04x:%04x\n",
- card->last_mac_panic_code, card->last_mac_panic_arg);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- written = scnprintf(p, remaining, "fhsr: %u\n",
- (u16)card->from_host_signals_r);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "fhsw: %u\n",
- (u16)card->from_host_signals_w);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "thsr: %u\n",
- (u16)card->to_host_signals_r);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "thsw: %u\n",
- (u16)card->to_host_signals_w);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining,
- "fh buffer contains: %d signals, %td bytes\n",
- card->fh_buffer.count,
- card->fh_buffer.ptr - card->fh_buffer.buf);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- written = scnprintf(p, remaining, "paused: ");
- UNIFI_SNPRINTF_RET(p, remaining, written);
- for (i = 0; i < sizeof(card->tx_q_paused_flag) / sizeof(card->tx_q_paused_flag[0]); i++)
- {
- written = scnprintf(p, remaining, card->tx_q_paused_flag[i]?"1" : "0");
- UNIFI_SNPRINTF_RET(p, remaining, written);
- }
- written = scnprintf(p, remaining, "\n");
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- written = scnprintf(p, remaining,
- "fh command q: %u waiting, %u free of %u:\n",
- CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_command_queue),
- CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_command_queue),
- UNIFI_SOFT_COMMAND_Q_LENGTH);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- for (i = 0; i < UNIFI_NO_OF_TX_QS; i++)
- {
- written = scnprintf(p, remaining,
- "fh traffic q[%u]: %u waiting, %u free of %u:\n",
- i,
- CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_traffic_queue[i]),
- CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_traffic_queue[i]),
- UNIFI_SOFT_TRAFFIC_Q_LENGTH);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- }
-
- written = scnprintf(p, remaining, "fh data slots free: %u\n",
- card->from_host_data?CardGetFreeFromHostDataSlots(card) : 0);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
-
- written = scnprintf(p, remaining, "From host data slots:");
- UNIFI_SNPRINTF_RET(p, remaining, written);
- n = card->config_data.num_fromhost_data_slots;
- for (i = 0; i < n && card->from_host_data; i++)
- {
- written = scnprintf(p, remaining, " %u",
- (u16)card->from_host_data[i].bd.data_length);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- }
- written = scnprintf(p, remaining, "\n");
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- written = scnprintf(p, remaining, "To host data slots:");
- UNIFI_SNPRINTF_RET(p, remaining, written);
- n = card->config_data.num_tohost_data_slots;
- for (i = 0; i < n && card->to_host_data; i++)
- {
- written = scnprintf(p, remaining, " %u",
- (u16)card->to_host_data[i].data_length);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- }
-
- written = scnprintf(p, remaining, "\n");
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
-#ifdef CSR_UNSAFE_SDIO_ACCESS
- written = scnprintf(p, remaining, "Host State: %s\n", states[card->host_state]);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- r = unifi_check_io_status(card, &iostate);
- if (iostate == 1)
- {
- written = scnprintf(p, remaining, "I/O Check: F1 disabled\n");
- UNIFI_SNPRINTF_RET(p, remaining, written);
- }
- else
- {
- if (iostate == 1)
- {
- written = scnprintf(p, remaining, "I/O Check: pending interrupt\n");
- UNIFI_SNPRINTF_RET(p, remaining, written);
- }
-
- written = scnprintf(p, remaining, "BH reason interrupt = %d\n",
- card->bh_reason_unifi);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "BH reason host = %d\n",
- card->bh_reason_host);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- for (i = 0; i < SHARED_READ_RETRY_LIMIT; i++)
- {
- r = unifi_read_8_or_16(card, card->sdio_ctrl_addr + 2, &b);
- if ((r == CSR_RESULT_SUCCESS) && (!(b & 0x80)))
- {
- written = scnprintf(p, remaining, "fhsr: %u (driver thinks is %u)\n",
- b, card->from_host_signals_r);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- break;
- }
- }
- iostate = unifi_read_shared_count(card, card->sdio_ctrl_addr + 4);
- written = scnprintf(p, remaining, "thsw: %u (driver thinks is %u)\n",
- iostate, card->to_host_signals_w);
- UNIFI_SNPRINTF_RET(p, remaining, written);
- }
-#endif
-
- written = scnprintf(p, remaining, "\nStats:\n");
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "Total SDIO bytes: R=%u W=%u\n",
- card->sdio_bytes_read, card->sdio_bytes_written);
-
- UNIFI_SNPRINTF_RET(p, remaining, written);
- written = scnprintf(p, remaining, "Interrupts generated on card: %u\n",
- card->unifi_interrupt_seq);
- UNIFI_SNPRINTF_RET(p, remaining, written);
-
- *remain = remaining;
- return (p - str);
-} /* unifi_print_status() */
-
-
+ sdio_config_data_t *cfg;
+ u16 i, n;
+
+ i = n = 0;
+ seq_printf(m, "Chip ID %u\n", card->chip_id);
+ seq_printf(m, "Chip Version %04X\n", card->chip_version);
+ seq_printf(m, "HIP v%u.%u\n",
+ (card->config_data.version >> 8) & 0xFF,
+ card->config_data.version & 0xFF);
+ seq_printf(m, "Build %u: %s\n", card->build_id, card->build_id_string);
+
+ cfg = &card->config_data;
+
+ seq_printf(m, "sdio ctrl offset %u\n", cfg->sdio_ctrl_offset);
+ seq_printf(m, "fromhost sigbuf handle %u\n", cfg->fromhost_sigbuf_handle);
+ seq_printf(m, "tohost_sigbuf_handle %u\n", cfg->tohost_sigbuf_handle);
+ seq_printf(m, "num_fromhost_sig_frags %u\n", cfg->num_fromhost_sig_frags);
+ seq_printf(m, "num_tohost_sig_frags %u\n", cfg->num_tohost_sig_frags);
+ seq_printf(m, "num_fromhost_data_slots %u\n", cfg->num_fromhost_data_slots);
+ seq_printf(m, "num_tohost_data_slots %u\n", cfg->num_tohost_data_slots);
+ seq_printf(m, "data_slot_size %u\n", cfg->data_slot_size);
+
+ /* Added by protocol version 0x0001 */
+ seq_printf(m, "overlay_size %u\n", cfg->overlay_size);
+
+ /* Added by protocol version 0x0300 */
+ seq_printf(m, "data_slot_round %u\n", cfg->data_slot_round);
+ seq_printf(m, "sig_frag_size %u\n", cfg->sig_frag_size);
+
+ /* Added by protocol version 0x0300 */
+ seq_printf(m, "tohost_sig_pad %u\n", cfg->tohost_signal_padding);
+
+ seq_puts(m, "\nInternal state:\n");
+
+ seq_printf(m, "Last PHY PANIC: %04x:%04x\n",
+ card->last_phy_panic_code, card->last_phy_panic_arg);
+ seq_printf(m, "Last MAC PANIC: %04x:%04x\n",
+ card->last_mac_panic_code, card->last_mac_panic_arg);
+
+ seq_printf(m, "fhsr: %hu\n", (u16)card->from_host_signals_r);
+ seq_printf(m, "fhsw: %hu\n", (u16)card->from_host_signals_w);
+ seq_printf(m, "thsr: %hu\n", (u16)card->to_host_signals_r);
+ seq_printf(m, "thsw: %hu\n", (u16)card->to_host_signals_w);
+ seq_printf(m, "fh buffer contains: %d signals, %td bytes\n",
+ card->fh_buffer.count,
+ card->fh_buffer.ptr - card->fh_buffer.buf);
+
+ seq_puts(m, "paused: ");
+ for (i = 0; i < ARRAY_SIZE(card->tx_q_paused_flag); i++)
+ seq_printf(m, card->tx_q_paused_flag[i] ? "1" : "0");
+ seq_putc(m, '\n');
+
+ seq_printf(m, "fh command q: %u waiting, %u free of %u:\n",
+ CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_command_queue),
+ CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_command_queue),
+ UNIFI_SOFT_COMMAND_Q_LENGTH);
+
+ for (i = 0; i < UNIFI_NO_OF_TX_QS; i++)
+ seq_printf(m, "fh traffic q[%u]: %u waiting, %u free of %u:\n",
+ i,
+ CSR_WIFI_HIP_Q_SLOTS_USED(&card->fh_traffic_queue[i]),
+ CSR_WIFI_HIP_Q_SLOTS_FREE(&card->fh_traffic_queue[i]),
+ UNIFI_SOFT_TRAFFIC_Q_LENGTH);
+
+ seq_printf(m, "fh data slots free: %u\n",
+ card->from_host_data ? CardGetFreeFromHostDataSlots(card) : 0);
+
+ seq_puts(m, "From host data slots:");
+ n = card->config_data.num_fromhost_data_slots;
+ for (i = 0; i < n && card->from_host_data; i++)
+ seq_printf(m, " %hu", (u16)card->from_host_data[i].bd.data_length);
+ seq_putc(m, '\n');
+
+ seq_puts(m, "To host data slots:");
+ n = card->config_data.num_tohost_data_slots;
+ for (i = 0; i < n && card->to_host_data; i++)
+ seq_printf(m, " %hu", (u16)card->to_host_data[i].data_length);
+ seq_putc(m, '\n');
+
+ unifi_print_unsafe_sdio_status(card, m);
+
+ seq_puts(m, "\nStats:\n");
+ seq_printf(m, "Total SDIO bytes: R=%u W=%u\n",
+ card->sdio_bytes_read, card->sdio_bytes_written);
+
+ seq_printf(m, "Interrupts generated on card: %u\n", card->unifi_interrupt_seq);
+ return 0;
+}
* ---------------------------------------------------------------------------
*/
#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include "csr_wifi_hip_unifi.h"
#include "csr_wifi_hip_unifiversion.h"
*/
DECLARE_WAIT_QUEUE_HEAD(Unifi_cleanup_wq);
+#ifdef CONFIG_PROC_FS
+/*
+ * seq_file wrappers for procfile show routines.
+ */
+static int uf_proc_show(struct seq_file *m, void *v);
+
+#define UNIFI_DEBUG_TXT_BUFFER (8 * 1024)
+
+static int uf_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open_size(file, uf_proc_show, PDE_DATA(inode),
+ UNIFI_DEBUG_TXT_BUFFER);
+}
+
+static const struct file_operations uf_proc_fops = {
+ .open = uf_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
-static int uf_read_proc(char *page, char **start, off_t offset, int count,
- int *eof, void *data);
+#endif /* CONFIG_PROC_FS */
#ifdef CSR_WIFI_RX_PATH_SPLIT
* The following complex casting is in place in order to eliminate 64-bit compilation warning
* "cast to/from pointer from/to integer of different size"
*/
- if (!create_proc_read_entry(priv->proc_entry_name, 0, 0,
- uf_read_proc, (void *)(long)priv->instance))
+ if (!proc_create_data(priv->proc_entry_name, 0, NULL,
+ &uf_proc_fops, (void *)(long)priv->instance))
{
unifi_error(priv, "unifi: can't create /proc/driver/unifi\n");
}
/*
* ---------------------------------------------------------------------------
- * uf_read_proc
+ * uf_proc_show
*
* Read method for driver node in /proc/driver/unifi0
*
* ---------------------------------------------------------------------------
*/
#ifdef CONFIG_PROC_FS
-static int
-uf_read_proc(char *page, char **start, off_t offset, int count,
- int *eof, void *data)
+static int uf_proc_show(struct seq_file *m, void *v)
{
-#define UNIFI_DEBUG_TXT_BUFFER 8*1024
- unifi_priv_t *priv;
- int actual_amount_to_copy;
- char *p, *orig_p;
- s32 remain = UNIFI_DEBUG_TXT_BUFFER;
- s32 written;
- int i;
-
- /*
- * The following complex casting is in place in order to eliminate 64-bit compilation warning
- * "cast to/from pointer from/to integer of different size"
- */
- priv = uf_find_instance((int)(long)data);
- if (!priv) {
- return 0;
- }
-
- p = kmalloc( UNIFI_DEBUG_TXT_BUFFER, GFP_KERNEL );
-
- orig_p = p;
-
- written = scnprintf(p, remain, "UniFi SDIO Driver: %s %s %s\n",
- CSR_WIFI_VERSION, __DATE__, __TIME__);
- UNIFI_SNPRINTF_RET(p, remain, written);
+ unifi_priv_t *priv;
+ int i;
+
+ /*
+ * The following complex casting is in place in order to eliminate
+ * 64-bit compilation warning "cast to/from pointer from/to integer of
+ * different size"
+ */
+ priv = uf_find_instance((long)m->private);
+ if (!priv)
+ return 0;
+
+ seq_printf(m, "UniFi SDIO Driver: %s %s %s\n",
+ CSR_WIFI_VERSION, __DATE__, __TIME__);
#ifdef CSR_SME_USERSPACE
- written = scnprintf(p, remain, "SME: CSR userspace ");
- UNIFI_SNPRINTF_RET(p, remain, written);
+ seq_puts(m, "SME: CSR userspace ");
#ifdef CSR_SUPPORT_WEXT
- written = scnprintf(p, remain, "with WEXT support\n");
+ seq_puts(m, "with WEXT support\n");
#else
- written = scnprintf(p, remain, "\n");
+ seq_putc(m, '\n');
#endif /* CSR_SUPPORT_WEXT */
- UNIFI_SNPRINTF_RET(p, remain, written);
#endif /* CSR_SME_USERSPACE */
#ifdef CSR_NATIVE_LINUX
- written = scnprintf(p, remain, "SME: native\n");
- UNIFI_SNPRINTF_RET(p, remain, written);
+ seq_puts(m, "SME: native\n");
#endif
#ifdef CSR_SUPPORT_SME
- written = scnprintf(p, remain,
- "Firmware (ROM) build:%u, Patch:%u\n",
- priv->card_info.fw_build,
- priv->sme_versions.firmwarePatch);
- UNIFI_SNPRINTF_RET(p, remain, written);
+ seq_printf(m, "Firmware (ROM) build:%u, Patch:%u\n",
+ priv->card_info.fw_build,
+ priv->sme_versions.firmwarePatch);
#endif
- p += unifi_print_status(priv->card, p, &remain);
-
- written = scnprintf(p, remain, "Last dbg str: %s\n",
- priv->last_debug_string);
- UNIFI_SNPRINTF_RET(p, remain, written);
-
- written = scnprintf(p, remain, "Last dbg16:");
- UNIFI_SNPRINTF_RET(p, remain, written);
- for (i = 0; i < 8; i++) {
- written = scnprintf(p, remain, " %04X",
- priv->last_debug_word16[i]);
- UNIFI_SNPRINTF_RET(p, remain, written);
- }
- written = scnprintf(p, remain, "\n");
- UNIFI_SNPRINTF_RET(p, remain, written);
- written = scnprintf(p, remain, " ");
- UNIFI_SNPRINTF_RET(p, remain, written);
- for (; i < 16; i++) {
- written = scnprintf(p, remain, " %04X",
- priv->last_debug_word16[i]);
- UNIFI_SNPRINTF_RET(p, remain, written);
- }
- written = scnprintf(p, remain, "\n");
- UNIFI_SNPRINTF_RET(p, remain, written);
- *start = page;
-
- written = UNIFI_DEBUG_TXT_BUFFER - remain;
-
- if( offset >= written )
- {
- *eof = 1;
- kfree( orig_p );
- return(0);
- }
-
- if( offset + count > written )
- {
- actual_amount_to_copy = written - offset;
- *eof = 1;
- }
- else
- {
- actual_amount_to_copy = count;
- }
- memcpy( page, &(orig_p[offset]), actual_amount_to_copy );
+ unifi_print_status(priv->card, m);
- kfree( orig_p );
+ seq_printf(m, "Last dbg str: %s\n", priv->last_debug_string);
- return( actual_amount_to_copy );
-} /* uf_read_proc() */
+ seq_puts(m, "Last dbg16:");
+ for (i = 0; i < 8; i++)
+ seq_printf(m, " %04X", priv->last_debug_word16[i]);
+ seq_putc(m, '\n');
+ seq_puts(m, " ");
+ for (; i < 16; i++)
+ seq_printf(m, " %04X", priv->last_debug_word16[i]);
+ seq_putc(m, '\n');
+ return 0;
+}
#endif
projects / karo-tx-linux.git / commitdiff