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// SPDX-License-Identifier: GPL-2.0-or-later
#include "qlge.h"
#include "qlge_devlink.h"
static int qlge_fill_seg_(struct devlink_fmsg *fmsg,
struct mpi_coredump_segment_header *seg_header,
u32 *reg_data)
{
int regs_num = (seg_header->seg_size
- sizeof(struct mpi_coredump_segment_header)) / sizeof(u32);
int err;
int i;
err = devlink_fmsg_pair_nest_start(fmsg, seg_header->description);
if (err)
return err;
err = devlink_fmsg_obj_nest_start(fmsg);
if (err)
return err;
err = devlink_fmsg_u32_pair_put(fmsg, "segment", seg_header->seg_num);
if (err)
return err;
err = devlink_fmsg_arr_pair_nest_start(fmsg, "values");
if (err)
return err;
for (i = 0; i < regs_num; i++) {
err = devlink_fmsg_u32_put(fmsg, *reg_data);
if (err)
return err;
reg_data++;
}
err = devlink_fmsg_obj_nest_end(fmsg);
if (err)
return err;
err = devlink_fmsg_arr_pair_nest_end(fmsg);
if (err)
return err;
err = devlink_fmsg_pair_nest_end(fmsg);
return err;
}
#define FILL_SEG(seg_hdr, seg_regs) \
do { \
err = qlge_fill_seg_(fmsg, &dump->seg_hdr, dump->seg_regs); \
if (err) { \
kvfree(dump); \
return err; \
} \
} while (0)
static int qlge_reporter_coredump(struct devlink_health_reporter *reporter,
struct devlink_fmsg *fmsg, void *priv_ctx,
struct netlink_ext_ack *extack)
{
int err = 0;
struct qlge_adapter *qdev = devlink_health_reporter_priv(reporter);
struct qlge_mpi_coredump *dump;
wait_queue_head_t wait;
if (!netif_running(qdev->ndev))
return 0;
if (test_bit(QL_FRC_COREDUMP, &qdev->flags)) {
if (qlge_own_firmware(qdev)) {
qlge_queue_fw_error(qdev);
init_waitqueue_head(&wait);
wait_event_timeout(wait, 0, 5 * HZ);
} else {
netif_err(qdev, ifup, qdev->ndev,
"Force Coredump failed because this NIC function doesn't own the firmware\n");
return -EPERM;
}
}
dump = kvmalloc(sizeof(*dump), GFP_KERNEL);
if (!dump)
return -ENOMEM;
err = qlge_core_dump(qdev, dump);
if (err) {
kvfree(dump);
return err;
}
qlge_soft_reset_mpi_risc(qdev);
FILL_SEG(core_regs_seg_hdr, mpi_core_regs);
FILL_SEG(test_logic_regs_seg_hdr, test_logic_regs);
FILL_SEG(rmii_regs_seg_hdr, rmii_regs);
FILL_SEG(fcmac1_regs_seg_hdr, fcmac1_regs);
FILL_SEG(fcmac2_regs_seg_hdr, fcmac2_regs);
FILL_SEG(fc1_mbx_regs_seg_hdr, fc1_mbx_regs);
FILL_SEG(ide_regs_seg_hdr, ide_regs);
FILL_SEG(nic1_mbx_regs_seg_hdr, nic1_mbx_regs);
FILL_SEG(smbus_regs_seg_hdr, smbus_regs);
FILL_SEG(fc2_mbx_regs_seg_hdr, fc2_mbx_regs);
FILL_SEG(nic2_mbx_regs_seg_hdr, nic2_mbx_regs);
FILL_SEG(i2c_regs_seg_hdr, i2c_regs);
FILL_SEG(memc_regs_seg_hdr, memc_regs);
FILL_SEG(pbus_regs_seg_hdr, pbus_regs);
FILL_SEG(mde_regs_seg_hdr, mde_regs);
FILL_SEG(nic_regs_seg_hdr, nic_regs);
FILL_SEG(nic2_regs_seg_hdr, nic2_regs);
FILL_SEG(xgmac1_seg_hdr, xgmac1);
FILL_SEG(xgmac2_seg_hdr, xgmac2);
FILL_SEG(code_ram_seg_hdr, code_ram);
FILL_SEG(memc_ram_seg_hdr, memc_ram);
FILL_SEG(xaui_an_hdr, serdes_xaui_an);
FILL_SEG(xaui_hss_pcs_hdr, serdes_xaui_hss_pcs);
FILL_SEG(xfi_an_hdr, serdes_xfi_an);
FILL_SEG(xfi_train_hdr, serdes_xfi_train);
FILL_SEG(xfi_hss_pcs_hdr, serdes_xfi_hss_pcs);
FILL_SEG(xfi_hss_tx_hdr, serdes_xfi_hss_tx);
FILL_SEG(xfi_hss_rx_hdr, serdes_xfi_hss_rx);
FILL_SEG(xfi_hss_pll_hdr, serdes_xfi_hss_pll);
err = qlge_fill_seg_(fmsg, &dump->misc_nic_seg_hdr,
(u32 *)&dump->misc_nic_info);
if (err) {
kvfree(dump);
return err;
}
FILL_SEG(intr_states_seg_hdr, intr_states);
FILL_SEG(cam_entries_seg_hdr, cam_entries);
FILL_SEG(nic_routing_words_seg_hdr, nic_routing_words);
FILL_SEG(ets_seg_hdr, ets);
FILL_SEG(probe_dump_seg_hdr, probe_dump);
FILL_SEG(routing_reg_seg_hdr, routing_regs);
FILL_SEG(mac_prot_reg_seg_hdr, mac_prot_regs);
FILL_SEG(xaui2_an_hdr, serdes2_xaui_an);
FILL_SEG(xaui2_hss_pcs_hdr, serdes2_xaui_hss_pcs);
FILL_SEG(xfi2_an_hdr, serdes2_xfi_an);
FILL_SEG(xfi2_train_hdr, serdes2_xfi_train);
FILL_SEG(xfi2_hss_pcs_hdr, serdes2_xfi_hss_pcs);
FILL_SEG(xfi2_hss_tx_hdr, serdes2_xfi_hss_tx);
FILL_SEG(xfi2_hss_rx_hdr, serdes2_xfi_hss_rx);
FILL_SEG(xfi2_hss_pll_hdr, serdes2_xfi_hss_pll);
FILL_SEG(sem_regs_seg_hdr, sem_regs);
kvfree(dump);
return err;
}
static const struct devlink_health_reporter_ops qlge_reporter_ops = {
.name = "coredump",
.dump = qlge_reporter_coredump,
};
long qlge_health_create_reporters(struct qlge_adapter *priv)
{
struct devlink *devlink;
long err = 0;
devlink = priv_to_devlink(priv);
priv->reporter =
devlink_health_reporter_create(devlink, &qlge_reporter_ops,
0, priv);
if (IS_ERR(priv->reporter)) {
err = PTR_ERR(priv->reporter);
netdev_warn(priv->ndev,
"Failed to create reporter, err = %ld\n",
err);
}
return err;
}
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