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remoteproc: qcom: q6v5-mss: Register segments/dumpfn for coredump

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Register the MDT segments, custom dumpfn and private data with the
remoteproc core dump functionality.

Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Sibi Sankar 2018-10-17 19:25:27 +05:30 committed by Bjorn Andersson
parent 7dd8ade24d
commit f18b7e914f
1 changed files with 42 additions and 0 deletions
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42
drivers/remoteproc/qcom_q6v5_mss.c
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@ -1064,10 +1064,52 @@ static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len)
return qproc->mpss_region + offset; return qproc->mpss_region + offset;
} }
static int qcom_q6v5_register_dump_segments(struct rproc *rproc,
const struct firmware *mba_fw)
{
const struct firmware *fw;
const struct elf32_phdr *phdrs;
const struct elf32_phdr *phdr;
const struct elf32_hdr *ehdr;
struct q6v5 *qproc = rproc->priv;
unsigned long i;
int ret;
ret = request_firmware(&fw, "modem.mdt", qproc->dev);
if (ret < 0) {
dev_err(qproc->dev, "unable to load modem.mdt\n");
return ret;
}
ehdr = (struct elf32_hdr *)fw->data;
phdrs = (struct elf32_phdr *)(ehdr + 1);
qproc->dump_complete_mask = 0;
for (i = 0; i < ehdr->e_phnum; i++) {
phdr = &phdrs[i];
if (!q6v5_phdr_valid(phdr))
continue;
ret = rproc_coredump_add_custom_segment(rproc, phdr->p_paddr,
phdr->p_memsz,
qcom_q6v5_dump_segment,
(void *)i);
if (ret)
break;
qproc->dump_complete_mask |= BIT(i);
}
release_firmware(fw);
return ret;
}
static const struct rproc_ops q6v5_ops = { static const struct rproc_ops q6v5_ops = {
.start = q6v5_start, .start = q6v5_start,
.stop = q6v5_stop, .stop = q6v5_stop,
.da_to_va = q6v5_da_to_va, .da_to_va = q6v5_da_to_va,
.parse_fw = qcom_q6v5_register_dump_segments,
.load = q6v5_load, .load = q6v5_load,
}; };