root_folder = NULL;
}
-static
-ssize_t brcmf_debugfs_chipinfo_read(struct file *f, char __user *data,
- size_t count, loff_t *ppos)
+static int brcmf_debugfs_chipinfo_read(struct seq_file *seq, void *data)
{
- struct brcmf_pub *drvr = f->private_data;
+ struct brcmf_pub *drvr = seq->private;
struct brcmf_bus *bus = drvr->bus_if;
- char buf[40];
- int res;
- /* only allow read from start */
- if (*ppos > 0)
- return 0;
+ seq_printf(seq, "chip: %x(%u) rev %u\n",
+ bus->chip, bus->chip, bus->chiprev);
+ return 0;
+}
- res = scnprintf(buf, sizeof(buf), "chip: %x(%u) rev %u\n",
- bus->chip, bus->chip, bus->chiprev);
- return simple_read_from_buffer(data, count, ppos, buf, res);
+static int brcmf_debugfs_chipinfo_open(struct inode *inode, struct file *f)
+{
+ return single_open(f, brcmf_debugfs_chipinfo_read, inode->i_private);
}
static const struct file_operations brcmf_debugfs_chipinfo_ops = {
.owner = THIS_MODULE,
- .open = simple_open,
- .read = brcmf_debugfs_chipinfo_read
+ .open = brcmf_debugfs_chipinfo_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek
};
static int brcmf_debugfs_create_chipinfo(struct brcmf_pub *drvr)
return drvr->dbgfs_dir;
}
-static
-ssize_t brcmf_debugfs_sdio_counter_read(struct file *f, char __user *data,
- size_t count, loff_t *ppos)
+static int brcmf_debugfs_sdio_count_read(struct seq_file *seq, void *data)
{
- struct brcmf_sdio_count *sdcnt = f->private_data;
- char buf[750];
- int res;
-
- /* only allow read from start */
- if (*ppos > 0)
- return 0;
-
- res = scnprintf(buf, sizeof(buf),
- "intrcount: %u\nlastintrs: %u\n"
- "pollcnt: %u\nregfails: %u\n"
- "tx_sderrs: %u\nfcqueued: %u\n"
- "rxrtx: %u\nrx_toolong: %u\n"
- "rxc_errors: %u\nrx_hdrfail: %u\n"
- "rx_badhdr: %u\nrx_badseq: %u\n"
- "fc_rcvd: %u\nfc_xoff: %u\n"
- "fc_xon: %u\nrxglomfail: %u\n"
- "rxglomframes: %u\nrxglompkts: %u\n"
- "f2rxhdrs: %u\nf2rxdata: %u\n"
- "f2txdata: %u\nf1regdata: %u\n"
- "tickcnt: %u\ntx_ctlerrs: %lu\n"
- "tx_ctlpkts: %lu\nrx_ctlerrs: %lu\n"
- "rx_ctlpkts: %lu\nrx_readahead: %lu\n",
- sdcnt->intrcount, sdcnt->lastintrs,
- sdcnt->pollcnt, sdcnt->regfails,
- sdcnt->tx_sderrs, sdcnt->fcqueued,
- sdcnt->rxrtx, sdcnt->rx_toolong,
- sdcnt->rxc_errors, sdcnt->rx_hdrfail,
- sdcnt->rx_badhdr, sdcnt->rx_badseq,
- sdcnt->fc_rcvd, sdcnt->fc_xoff,
- sdcnt->fc_xon, sdcnt->rxglomfail,
- sdcnt->rxglomframes, sdcnt->rxglompkts,
- sdcnt->f2rxhdrs, sdcnt->f2rxdata,
- sdcnt->f2txdata, sdcnt->f1regdata,
- sdcnt->tickcnt, sdcnt->tx_ctlerrs,
- sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs,
- sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt);
-
- return simple_read_from_buffer(data, count, ppos, buf, res);
+ struct brcmf_sdio_count *sdcnt = seq->private;
+
+ seq_printf(seq,
+ "intrcount: %u\nlastintrs: %u\n"
+ "pollcnt: %u\nregfails: %u\n"
+ "tx_sderrs: %u\nfcqueued: %u\n"
+ "rxrtx: %u\nrx_toolong: %u\n"
+ "rxc_errors: %u\nrx_hdrfail: %u\n"
+ "rx_badhdr: %u\nrx_badseq: %u\n"
+ "fc_rcvd: %u\nfc_xoff: %u\n"
+ "fc_xon: %u\nrxglomfail: %u\n"
+ "rxglomframes: %u\nrxglompkts: %u\n"
+ "f2rxhdrs: %u\nf2rxdata: %u\n"
+ "f2txdata: %u\nf1regdata: %u\n"
+ "tickcnt: %u\ntx_ctlerrs: %lu\n"
+ "tx_ctlpkts: %lu\nrx_ctlerrs: %lu\n"
+ "rx_ctlpkts: %lu\nrx_readahead: %lu\n",
+ sdcnt->intrcount, sdcnt->lastintrs,
+ sdcnt->pollcnt, sdcnt->regfails,
+ sdcnt->tx_sderrs, sdcnt->fcqueued,
+ sdcnt->rxrtx, sdcnt->rx_toolong,
+ sdcnt->rxc_errors, sdcnt->rx_hdrfail,
+ sdcnt->rx_badhdr, sdcnt->rx_badseq,
+ sdcnt->fc_rcvd, sdcnt->fc_xoff,
+ sdcnt->fc_xon, sdcnt->rxglomfail,
+ sdcnt->rxglomframes, sdcnt->rxglompkts,
+ sdcnt->f2rxhdrs, sdcnt->f2rxdata,
+ sdcnt->f2txdata, sdcnt->f1regdata,
+ sdcnt->tickcnt, sdcnt->tx_ctlerrs,
+ sdcnt->tx_ctlpkts, sdcnt->rx_ctlerrs,
+ sdcnt->rx_ctlpkts, sdcnt->rx_readahead_cnt);
+
+ return 0;
+}
+
+static int brcmf_debugfs_sdio_count_open(struct inode *inode, struct file *f)
+{
+ return single_open(f, brcmf_debugfs_sdio_count_read, inode->i_private);
}
static const struct file_operations brcmf_debugfs_sdio_counter_ops = {
.owner = THIS_MODULE,
- .open = simple_open,
- .read = brcmf_debugfs_sdio_counter_read
+ .open = brcmf_debugfs_sdio_count_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek
};
void brcmf_debugfs_create_sdio_count(struct brcmf_pub *drvr,
sdcnt, &brcmf_debugfs_sdio_counter_ops);
}
-static
-ssize_t brcmf_debugfs_fws_stats_read(struct file *f, char __user *data,
- size_t count, loff_t *ppos)
+static int brcmf_debugfs_fws_stats_read(struct seq_file *seq, void *data)
+{
+ struct brcmf_fws_stats *fwstats = seq->private;
+
+ seq_printf(seq,
+ "header_pulls: %u\n"
+ "header_only_pkt: %u\n"
+ "tlv_parse_failed: %u\n"
+ "tlv_invalid_type: %u\n"
+ "mac_update_fails: %u\n"
+ "ps_update_fails: %u\n"
+ "if_update_fails: %u\n"
+ "pkt2bus: %u\n"
+ "generic_error: %u\n"
+ "rollback_success: %u\n"
+ "rollback_failed: %u\n"
+ "delayq_full: %u\n"
+ "supprq_full: %u\n"
+ "txs_indicate: %u\n"
+ "txs_discard: %u\n"
+ "txs_suppr_core: %u\n"
+ "txs_suppr_ps: %u\n"
+ "txs_tossed: %u\n"
+ "txs_host_tossed: %u\n"
+ "bus_flow_block: %u\n"
+ "fws_flow_block: %u\n"
+ "send_pkts: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n"
+ "requested_sent: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n",
+ fwstats->header_pulls,
+ fwstats->header_only_pkt,
+ fwstats->tlv_parse_failed,
+ fwstats->tlv_invalid_type,
+ fwstats->mac_update_failed,
+ fwstats->mac_ps_update_failed,
+ fwstats->if_update_failed,
+ fwstats->pkt2bus,
+ fwstats->generic_error,
+ fwstats->rollback_success,
+ fwstats->rollback_failed,
+ fwstats->delayq_full_error,
+ fwstats->supprq_full_error,
+ fwstats->txs_indicate,
+ fwstats->txs_discard,
+ fwstats->txs_supp_core,
+ fwstats->txs_supp_ps,
+ fwstats->txs_tossed,
+ fwstats->txs_host_tossed,
+ fwstats->bus_flow_block,
+ fwstats->fws_flow_block,
+ fwstats->send_pkts[0], fwstats->send_pkts[1],
+ fwstats->send_pkts[2], fwstats->send_pkts[3],
+ fwstats->send_pkts[4],
+ fwstats->requested_sent[0],
+ fwstats->requested_sent[1],
+ fwstats->requested_sent[2],
+ fwstats->requested_sent[3],
+ fwstats->requested_sent[4]);
+
+ return 0;
+}
+
+static int brcmf_debugfs_fws_stats_open(struct inode *inode, struct file *f)
{
- struct brcmf_fws_stats *fwstats = f->private_data;
- char buf[650];
- int res;
-
- /* only allow read from start */
- if (*ppos > 0)
- return 0;
-
- res = scnprintf(buf, sizeof(buf),
- "header_pulls: %u\n"
- "header_only_pkt: %u\n"
- "tlv_parse_failed: %u\n"
- "tlv_invalid_type: %u\n"
- "mac_update_fails: %u\n"
- "ps_update_fails: %u\n"
- "if_update_fails: %u\n"
- "pkt2bus: %u\n"
- "generic_error: %u\n"
- "rollback_success: %u\n"
- "rollback_failed: %u\n"
- "delayq_full: %u\n"
- "supprq_full: %u\n"
- "txs_indicate: %u\n"
- "txs_discard: %u\n"
- "txs_suppr_core: %u\n"
- "txs_suppr_ps: %u\n"
- "txs_tossed: %u\n"
- "txs_host_tossed: %u\n"
- "bus_flow_block: %u\n"
- "fws_flow_block: %u\n"
- "send_pkts: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n"
- "requested_sent: BK:%u BE:%u VO:%u VI:%u BCMC:%u\n",
- fwstats->header_pulls,
- fwstats->header_only_pkt,
- fwstats->tlv_parse_failed,
- fwstats->tlv_invalid_type,
- fwstats->mac_update_failed,
- fwstats->mac_ps_update_failed,
- fwstats->if_update_failed,
- fwstats->pkt2bus,
- fwstats->generic_error,
- fwstats->rollback_success,
- fwstats->rollback_failed,
- fwstats->delayq_full_error,
- fwstats->supprq_full_error,
- fwstats->txs_indicate,
- fwstats->txs_discard,
- fwstats->txs_supp_core,
- fwstats->txs_supp_ps,
- fwstats->txs_tossed,
- fwstats->txs_host_tossed,
- fwstats->bus_flow_block,
- fwstats->fws_flow_block,
- fwstats->send_pkts[0], fwstats->send_pkts[1],
- fwstats->send_pkts[2], fwstats->send_pkts[3],
- fwstats->send_pkts[4],
- fwstats->requested_sent[0],
- fwstats->requested_sent[1],
- fwstats->requested_sent[2],
- fwstats->requested_sent[3],
- fwstats->requested_sent[4]);
-
- return simple_read_from_buffer(data, count, ppos, buf, res);
+ return single_open(f, brcmf_debugfs_fws_stats_read, inode->i_private);
}
static const struct file_operations brcmf_debugfs_fws_stats_ops = {
.owner = THIS_MODULE,
- .open = simple_open,
- .read = brcmf_debugfs_fws_stats_read
+ .open = brcmf_debugfs_fws_stats_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek
};
void brcmf_debugfs_create_fws_stats(struct brcmf_pub *drvr,
}
#ifdef DEBUG
-static int brcmf_sdio_dump_console(struct brcmf_sdio *bus,
- struct sdpcm_shared *sh, char __user *data,
- size_t count)
+static int brcmf_sdio_dump_console(struct seq_file *seq, struct brcmf_sdio *bus,
+ struct sdpcm_shared *sh)
{
u32 addr, console_ptr, console_size, console_index;
char *conbuf = NULL;
__le32 sh_val;
int rv;
- loff_t pos = 0;
- int nbytes = 0;
/* obtain console information from device memory */
addr = sh->console_addr + offsetof(struct rte_console, log_le);
if (rv < 0)
goto done;
- rv = simple_read_from_buffer(data, count, &pos,
- conbuf + console_index,
- console_size - console_index);
+ rv = seq_write(seq, conbuf + console_index,
+ console_size - console_index);
if (rv < 0)
goto done;
- nbytes = rv;
- if (console_index > 0) {
- pos = 0;
- rv = simple_read_from_buffer(data+nbytes, count, &pos,
- conbuf, console_index - 1);
- if (rv < 0)
- goto done;
- rv += nbytes;
- }
+ if (console_index > 0)
+ rv = seq_write(seq, conbuf, console_index - 1);
+
done:
vfree(conbuf);
return rv;
}
-static int brcmf_sdio_trap_info(struct brcmf_sdio *bus, struct sdpcm_shared *sh,
- char __user *data, size_t count)
+static int brcmf_sdio_trap_info(struct seq_file *seq, struct brcmf_sdio *bus,
+ struct sdpcm_shared *sh)
{
- int error, res;
- char buf[350];
+ int error;
struct brcmf_trap_info tr;
- loff_t pos = 0;
if ((sh->flags & SDPCM_SHARED_TRAP) == 0) {
brcmf_dbg(INFO, "no trap in firmware\n");
if (error < 0)
return error;
- res = scnprintf(buf, sizeof(buf),
- "dongle trap info: type 0x%x @ epc 0x%08x\n"
- " cpsr 0x%08x spsr 0x%08x sp 0x%08x\n"
- " lr 0x%08x pc 0x%08x offset 0x%x\n"
- " r0 0x%08x r1 0x%08x r2 0x%08x r3 0x%08x\n"
- " r4 0x%08x r5 0x%08x r6 0x%08x r7 0x%08x\n",
- le32_to_cpu(tr.type), le32_to_cpu(tr.epc),
- le32_to_cpu(tr.cpsr), le32_to_cpu(tr.spsr),
- le32_to_cpu(tr.r13), le32_to_cpu(tr.r14),
- le32_to_cpu(tr.pc), sh->trap_addr,
- le32_to_cpu(tr.r0), le32_to_cpu(tr.r1),
- le32_to_cpu(tr.r2), le32_to_cpu(tr.r3),
- le32_to_cpu(tr.r4), le32_to_cpu(tr.r5),
- le32_to_cpu(tr.r6), le32_to_cpu(tr.r7));
-
- return simple_read_from_buffer(data, count, &pos, buf, res);
+ seq_printf(seq,
+ "dongle trap info: type 0x%x @ epc 0x%08x\n"
+ " cpsr 0x%08x spsr 0x%08x sp 0x%08x\n"
+ " lr 0x%08x pc 0x%08x offset 0x%x\n"
+ " r0 0x%08x r1 0x%08x r2 0x%08x r3 0x%08x\n"
+ " r4 0x%08x r5 0x%08x r6 0x%08x r7 0x%08x\n",
+ le32_to_cpu(tr.type), le32_to_cpu(tr.epc),
+ le32_to_cpu(tr.cpsr), le32_to_cpu(tr.spsr),
+ le32_to_cpu(tr.r13), le32_to_cpu(tr.r14),
+ le32_to_cpu(tr.pc), sh->trap_addr,
+ le32_to_cpu(tr.r0), le32_to_cpu(tr.r1),
+ le32_to_cpu(tr.r2), le32_to_cpu(tr.r3),
+ le32_to_cpu(tr.r4), le32_to_cpu(tr.r5),
+ le32_to_cpu(tr.r6), le32_to_cpu(tr.r7));
+
+ return 0;
}
-static int brcmf_sdio_assert_info(struct brcmf_sdio *bus,
- struct sdpcm_shared *sh, char __user *data,
- size_t count)
+static int brcmf_sdio_assert_info(struct seq_file *seq, struct brcmf_sdio *bus,
+ struct sdpcm_shared *sh)
{
int error = 0;
- char buf[200];
char file[80] = "?";
char expr[80] = "<???>";
- int res;
- loff_t pos = 0;
if ((sh->flags & SDPCM_SHARED_ASSERT_BUILT) == 0) {
brcmf_dbg(INFO, "firmware not built with -assert\n");
}
sdio_release_host(bus->sdiodev->func[1]);
- res = scnprintf(buf, sizeof(buf),
- "dongle assert: %s:%d: assert(%s)\n",
- file, sh->assert_line, expr);
- return simple_read_from_buffer(data, count, &pos, buf, res);
+ seq_printf(seq, "dongle assert: %s:%d: assert(%s)\n",
+ file, sh->assert_line, expr);
+ return 0;
}
static int brcmf_sdio_checkdied(struct brcmf_sdio *bus)
return 0;
}
-static int brcmf_sdio_died_dump(struct brcmf_sdio *bus, char __user *data,
- size_t count, loff_t *ppos)
+static int brcmf_sdio_died_dump(struct seq_file *seq, struct brcmf_sdio *bus)
{
int error = 0;
struct sdpcm_shared sh;
- int nbytes = 0;
- loff_t pos = *ppos;
-
- if (pos != 0)
- return 0;
error = brcmf_sdio_readshared(bus, &sh);
if (error < 0)
goto done;
- error = brcmf_sdio_assert_info(bus, &sh, data, count);
+ error = brcmf_sdio_assert_info(seq, bus, &sh);
if (error < 0)
goto done;
- nbytes = error;
- error = brcmf_sdio_trap_info(bus, &sh, data+nbytes, count);
+ error = brcmf_sdio_trap_info(seq, bus, &sh);
if (error < 0)
goto done;
- nbytes += error;
- error = brcmf_sdio_dump_console(bus, &sh, data+nbytes, count);
- if (error < 0)
- goto done;
- nbytes += error;
+ error = brcmf_sdio_dump_console(seq, bus, &sh);
- error = nbytes;
- *ppos += nbytes;
done:
return error;
}
-static ssize_t brcmf_sdio_forensic_read(struct file *f, char __user *data,
- size_t count, loff_t *ppos)
+static int brcmf_sdio_forensic_read(struct seq_file *seq, void *data)
{
- struct brcmf_sdio *bus = f->private_data;
- int res;
+ struct brcmf_sdio *bus = seq->private;
- res = brcmf_sdio_died_dump(bus, data, count, ppos);
- if (res > 0)
- *ppos += res;
- return (ssize_t)res;
+ return brcmf_sdio_died_dump(seq, bus);
+}
+
+static int brcmf_sdio_forensic_open(struct inode *inode, struct file *f)
+{
+ return single_open(f, brcmf_sdio_forensic_read, inode->i_private);
}
static const struct file_operations brcmf_sdio_forensic_ops = {
.owner = THIS_MODULE,
- .open = simple_open,
- .read = brcmf_sdio_forensic_read
+ .open = brcmf_sdio_forensic_open,
+ .release = single_release,
+ .read = seq_read,
+ .llseek = seq_lseek
};
static void brcmf_sdio_debugfs_create(struct brcmf_sdio *bus)