1
2#include "qlge.h"
3#include "qlge_devlink.h"
4
5static int qlge_fill_seg_(struct devlink_fmsg *fmsg,
6 struct mpi_coredump_segment_header *seg_header,
7 u32 *reg_data)
8{
9 int regs_num = (seg_header->seg_size
10 - sizeof(struct mpi_coredump_segment_header)) / sizeof(u32);
11 int err;
12 int i;
13
14 err = devlink_fmsg_pair_nest_start(fmsg, seg_header->description);
15 if (err)
16 return err;
17 err = devlink_fmsg_obj_nest_start(fmsg);
18 if (err)
19 return err;
20 err = devlink_fmsg_u32_pair_put(fmsg, "segment", seg_header->seg_num);
21 if (err)
22 return err;
23 err = devlink_fmsg_arr_pair_nest_start(fmsg, "values");
24 if (err)
25 return err;
26 for (i = 0; i < regs_num; i++) {
27 err = devlink_fmsg_u32_put(fmsg, *reg_data);
28 if (err)
29 return err;
30 reg_data++;
31 }
32 err = devlink_fmsg_obj_nest_end(fmsg);
33 if (err)
34 return err;
35 err = devlink_fmsg_arr_pair_nest_end(fmsg);
36 if (err)
37 return err;
38 err = devlink_fmsg_pair_nest_end(fmsg);
39 return err;
40}
41
42#define FILL_SEG(seg_hdr, seg_regs) \
43 do { \
44 err = qlge_fill_seg_(fmsg, &dump->seg_hdr, dump->seg_regs); \
45 if (err) { \
46 kvfree(dump); \
47 return err; \
48 } \
49 } while (0)
50
51static int qlge_reporter_coredump(struct devlink_health_reporter *reporter,
52 struct devlink_fmsg *fmsg, void *priv_ctx,
53 struct netlink_ext_ack *extack)
54{
55 int err = 0;
56
57 struct qlge_adapter *qdev = devlink_health_reporter_priv(reporter);
58 struct qlge_mpi_coredump *dump;
59 wait_queue_head_t wait;
60
61 if (!netif_running(qdev->ndev))
62 return 0;
63
64 if (test_bit(QL_FRC_COREDUMP, &qdev->flags)) {
65 if (qlge_own_firmware(qdev)) {
66 qlge_queue_fw_error(qdev);
67 init_waitqueue_head(&wait);
68 wait_event_timeout(wait, 0, 5 * HZ);
69 } else {
70 netif_err(qdev, ifup, qdev->ndev,
71 "Force Coredump failed because this NIC function doesn't own the firmware\n");
72 return -EPERM;
73 }
74 }
75
76 dump = kvmalloc(sizeof(*dump), GFP_KERNEL);
77 if (!dump)
78 return -ENOMEM;
79
80 err = qlge_core_dump(qdev, dump);
81 if (err) {
82 kvfree(dump);
83 return err;
84 }
85
86 qlge_soft_reset_mpi_risc(qdev);
87
88 FILL_SEG(core_regs_seg_hdr, mpi_core_regs);
89 FILL_SEG(test_logic_regs_seg_hdr, test_logic_regs);
90 FILL_SEG(rmii_regs_seg_hdr, rmii_regs);
91 FILL_SEG(fcmac1_regs_seg_hdr, fcmac1_regs);
92 FILL_SEG(fcmac2_regs_seg_hdr, fcmac2_regs);
93 FILL_SEG(fc1_mbx_regs_seg_hdr, fc1_mbx_regs);
94 FILL_SEG(ide_regs_seg_hdr, ide_regs);
95 FILL_SEG(nic1_mbx_regs_seg_hdr, nic1_mbx_regs);
96 FILL_SEG(smbus_regs_seg_hdr, smbus_regs);
97 FILL_SEG(fc2_mbx_regs_seg_hdr, fc2_mbx_regs);
98 FILL_SEG(nic2_mbx_regs_seg_hdr, nic2_mbx_regs);
99 FILL_SEG(i2c_regs_seg_hdr, i2c_regs);
100 FILL_SEG(memc_regs_seg_hdr, memc_regs);
101 FILL_SEG(pbus_regs_seg_hdr, pbus_regs);
102 FILL_SEG(mde_regs_seg_hdr, mde_regs);
103 FILL_SEG(nic_regs_seg_hdr, nic_regs);
104 FILL_SEG(nic2_regs_seg_hdr, nic2_regs);
105 FILL_SEG(xgmac1_seg_hdr, xgmac1);
106 FILL_SEG(xgmac2_seg_hdr, xgmac2);
107 FILL_SEG(code_ram_seg_hdr, code_ram);
108 FILL_SEG(memc_ram_seg_hdr, memc_ram);
109 FILL_SEG(xaui_an_hdr, serdes_xaui_an);
110 FILL_SEG(xaui_hss_pcs_hdr, serdes_xaui_hss_pcs);
111 FILL_SEG(xfi_an_hdr, serdes_xfi_an);
112 FILL_SEG(xfi_train_hdr, serdes_xfi_train);
113 FILL_SEG(xfi_hss_pcs_hdr, serdes_xfi_hss_pcs);
114 FILL_SEG(xfi_hss_tx_hdr, serdes_xfi_hss_tx);
115 FILL_SEG(xfi_hss_rx_hdr, serdes_xfi_hss_rx);
116 FILL_SEG(xfi_hss_pll_hdr, serdes_xfi_hss_pll);
117
118 err = qlge_fill_seg_(fmsg, &dump->misc_nic_seg_hdr,
119 (u32 *)&dump->misc_nic_info);
120 if (err) {
121 kvfree(dump);
122 return err;
123 }
124
125 FILL_SEG(intr_states_seg_hdr, intr_states);
126 FILL_SEG(cam_entries_seg_hdr, cam_entries);
127 FILL_SEG(nic_routing_words_seg_hdr, nic_routing_words);
128 FILL_SEG(ets_seg_hdr, ets);
129 FILL_SEG(probe_dump_seg_hdr, probe_dump);
130 FILL_SEG(routing_reg_seg_hdr, routing_regs);
131 FILL_SEG(mac_prot_reg_seg_hdr, mac_prot_regs);
132 FILL_SEG(xaui2_an_hdr, serdes2_xaui_an);
133 FILL_SEG(xaui2_hss_pcs_hdr, serdes2_xaui_hss_pcs);
134 FILL_SEG(xfi2_an_hdr, serdes2_xfi_an);
135 FILL_SEG(xfi2_train_hdr, serdes2_xfi_train);
136 FILL_SEG(xfi2_hss_pcs_hdr, serdes2_xfi_hss_pcs);
137 FILL_SEG(xfi2_hss_tx_hdr, serdes2_xfi_hss_tx);
138 FILL_SEG(xfi2_hss_rx_hdr, serdes2_xfi_hss_rx);
139 FILL_SEG(xfi2_hss_pll_hdr, serdes2_xfi_hss_pll);
140 FILL_SEG(sem_regs_seg_hdr, sem_regs);
141
142 kvfree(dump);
143 return err;
144}
145
146static const struct devlink_health_reporter_ops qlge_reporter_ops = {
147 .name = "coredump",
148 .dump = qlge_reporter_coredump,
149};
150
151long qlge_health_create_reporters(struct qlge_adapter *priv)
152{
153 struct devlink *devlink;
154 long err = 0;
155
156 devlink = priv_to_devlink(priv);
157 priv->reporter =
158 devlink_health_reporter_create(devlink, &qlge_reporter_ops,
159 0, priv);
160 if (IS_ERR(priv->reporter)) {
161 err = PTR_ERR(priv->reporter);
162 netdev_warn(priv->ndev,
163 "Failed to create reporter, err = %ld\n",
164 err);
165 }
166 return err;
167}
168
