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/*
* Tegra 11x SoC-specific mcerr code.
*
* Copyright (c) 2010-2014, NVIDIA Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <mach/mcerr.h>
/*** Auto generated by `mcp.pl'. Do not modify! ***/
#define dummy_client client("dummy", "dummy")
struct mc_client mc_clients[] = {
client("ptc", "csr_ptcr"),
client("dc", "csr_display0a"),
client("dcb", "csr_display0ab"),
client("dc", "csr_display0b"),
client("dcb", "csr_display0bb"),
client("dc", "csr_display0c"),
client("dcb", "csr_display0cb"),
dummy_client,
dummy_client,
client("epp", "cbr_eppup"),
client("g2", "cbr_g2pr"),
client("g2", "cbr_g2sr"),
dummy_client,
dummy_client,
dummy_client,
client("avpc", "csr_avpcarm7r"),
client("dc", "csr_displayhc"),
client("dcb", "csr_displayhcb"),
client("nv", "csr_fdcdrd"),
client("nv", "csr_fdcdrd2"),
client("g2", "csr_g2dr"),
client("hda", "csr_hdar"),
client("hc", "csr_host1xdmar"),
client("hc", "csr_host1xr"),
client("nv", "csr_idxsrd"),
dummy_client,
dummy_client,
dummy_client,
client("msenc", "csr_msencsrd"),
client("ppcs", "csr_ppcsahbdmar"),
client("ppcs", "csr_ppcsahbslvr"),
dummy_client,
client("nv", "csr_texl2srd"),
dummy_client,
client("vde", "csr_vdebsevr"),
client("vde", "csr_vdember"),
client("vde", "csr_vdemcer"),
client("vde", "csr_vdetper"),
client("mpcorelp", "csr_mpcorelpr"),
client("mpcore", "csr_mpcorer"),
client("epp", "cbw_eppu"),
client("epp", "cbw_eppv"),
client("epp", "cbw_eppy"),
client("msenc", "csw_msencswr"),
client("vi", "cbw_viwsb"),
client("vi", "cbw_viwu"),
client("vi", "cbw_viwv"),
client("vi", "cbw_viwy"),
client("g2", "ccw_g2dw"),
dummy_client,
client("avpc", "csw_avpcarm7w"),
client("nv", "csw_fdcdwr"),
client("nv", "csw_fdcdwr2"),
client("hda", "csw_hdaw"),
client("hc", "csw_host1xw"),
client("isp", "csw_ispw"),
client("mpcorelp", "csw_mpcorelpw"),
client("mpcore", "csw_mpcorew"),
dummy_client,
client("ppcs", "csw_ppcsahbdmaw"),
client("ppcs", "csw_ppcsahbslvw"),
dummy_client,
client("vde", "csw_vdebsevw"),
client("vde", "csw_vdedbgw"),
client("vde", "csw_vdembew"),
client("vde", "csw_vdetpmw"),
dummy_client,
dummy_client,
dummy_client,
dummy_client,
dummy_client,
dummy_client,
dummy_client,
dummy_client,
client("xusb_host", "csr_xusb_hostr"),
client("xusb_host", "csw_xusb_hostw"),
client("xusb_dev", "csr_xusb_devr"),
client("xusb_dev", "csw_xusb_devw"),
client("nv", "csw_fdcdwr3"),
client("nv", "csr_fdcdrd3"),
client("nv", "csw_fdcdwr4"),
client("nv", "csr_fdcdrd4"),
client("emucif", "csr_emucifr"),
client("emucif", "csw_emucifw"),
client("tsec", "csr_tsecsrd"),
client("tsec", "csw_tsecswr"),
};
int mc_client_last = ARRAY_SIZE(mc_clients) - 1;
/*** Done. ***/
static void mcerr_t11x_info_update(struct mc_client *c, u32 stat)
{
if (stat & MC_INT_DECERR_EMEM)
c->intr_counts[0]++;
if (stat & MC_INT_SECURITY_VIOLATION)
c->intr_counts[1]++;
if (stat & MC_INT_INVALID_SMMU_PAGE)
c->intr_counts[2]++;
if (stat & MC_INT_DECERR_VPR)
c->intr_counts[3]++;
if (stat & MC_INT_SECERR_SEC)
c->intr_counts[4]++;
if (stat & ~mc_int_mask)
c->intr_counts[5]++;
}
/*
* T11x reports addresses in a 32 byte range thus we can only give an
* approximate location for the invalid memory request, not the exact address.
*/
static void mcerr_t11x_print(const struct mc_error *err,
const struct mc_client *client,
u32 status, phys_addr_t addr,
int secure, int rw, const char *smmu_info)
{
pr_err("[mcerr] (%s) %s: %s\n", client->swgid, client->name, err->msg);
pr_err("[mcerr] status = 0x%08x; addr = [0x%08lx -> 0x%08lx]",
status, (ulong)(addr & ~0x1f), (ulong)(addr | 0x1f));
pr_err("[mcerr] secure: %s, access-type: %s, SMMU fault: %s\n",
secure ? "yes" : "no", rw ? "write" : "read",
smmu_info ? smmu_info : "none");
}
#define fmt_hdr "%-18s %-18s %-9s %-9s %-9s %-10s %-10s %-9s\n"
#define fmt_cli "%-18s %-18s %-9u %-9u %-9u %-10u %-10u %-9u\n"
static int mcerr_t11x_debugfs_show(struct seq_file *s, void *v)
{
int i, j;
int do_print;
seq_printf(s, fmt_hdr,
"swgid", "client", "decerr", "secerr", "smmuerr",
"decerr-VPR", "secerr-SEC", "unknown");
for (i = 0; i < ARRAY_SIZE(mc_clients); i++) {
do_print = 0;
if (strcmp(mc_clients[i].name, "dummy") == 0)
continue;
/* Only print clients who actually have errors. */
for (j = 0; j < mc_intr_count; j++) {
if (mc_clients[i].intr_counts[j]) {
do_print = 1;
break;
}
}
if (do_print)
seq_printf(s, fmt_cli,
mc_clients[i].swgid,
mc_clients[i].name,
mc_clients[i].intr_counts[0],
mc_clients[i].intr_counts[1],
mc_clients[i].intr_counts[2],
mc_clients[i].intr_counts[3],
mc_clients[i].intr_counts[4],
mc_clients[i].intr_counts[5]);
}
return 0;
}
/*
* Set up chip specific functions and data for handling this particular chip's
* error decoding and logging.
*/
void mcerr_chip_specific_setup(struct mcerr_chip_specific *spec)
{
spec->mcerr_print = mcerr_t11x_print;
spec->mcerr_info_update = mcerr_t11x_info_update;
spec->mcerr_debugfs_show = mcerr_t11x_debugfs_show;
spec->nr_clients = ARRAY_SIZE(mc_clients);
return;
}
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