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Differential D23110 Diff 66776 sys/dev/amd_ecc_inject/ecc_inject.c

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sys/dev/amd_ecc_inject/ecc_inject.c

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error = sysctl_handle_int(oidp, &i, 0, req); error = sysctl_handle_int(oidp, &i, 0, req);
if (error) if (error)
return (error); return (error);
if (i != 0) if (i != 0)
ecc_ei_inject(i); ecc_ei_inject(i);
return (0); return (0);
} }
static SYSCTL_NODE(_hw, OID_AUTO, error_injection, CTLFLAG_RD, NULL, static SYSCTL_NODE(_hw, OID_AUTO, error_injection,
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
"Hardware error injection"); "Hardware error injection");
static SYSCTL_NODE(_hw_error_injection, OID_AUTO, dram_ecc, CTLFLAG_RD, NULL, static SYSCTL_NODE(_hw_error_injection, OID_AUTO, dram_ecc,
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
"DRAM ECC error injection"); "DRAM ECC error injection");
SYSCTL_UINT(_hw_error_injection_dram_ecc, OID_AUTO, delay, SYSCTL_UINT(_hw_error_injection_dram_ecc, OID_AUTO, delay,
CTLTYPE_UINT | CTLFLAG_RW, &delay_ms, 0, CTLTYPE_UINT | CTLFLAG_RW, &delay_ms, 0,
"Delay in milliseconds between error injections"); "Delay in milliseconds between error injections");
SYSCTL_PROC(_hw_error_injection_dram_ecc, OID_AUTO, quadrant, SYSCTL_PROC(_hw_error_injection_dram_ecc, OID_AUTO, quadrant,
CTLTYPE_UINT | CTLFLAG_RW, &quadrant, QUADRANT_MASK, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
sysctl_int_with_max, "IU", &quadrant, QUADRANT_MASK, sysctl_int_with_max, "IU",
"Index of 16-byte quadrant within 64-byte line where errors " "Index of 16-byte quadrant within 64-byte line where errors "
"should be injected"); "should be injected");
SYSCTL_PROC(_hw_error_injection_dram_ecc, OID_AUTO, word_mask, SYSCTL_PROC(_hw_error_injection_dram_ecc, OID_AUTO, word_mask,
CTLTYPE_UINT | CTLFLAG_RW, &word_mask, INJ_WORD_MASK, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
sysctl_nonzero_int_with_max, "IU", &word_mask, INJ_WORD_MASK, sysctl_nonzero_int_with_max, "IU",
"9-bit mask of words where errors should be injected (8 data + 1 ECC)"); "9-bit mask of words where errors should be injected (8 data + 1 ECC)");
SYSCTL_PROC(_hw_error_injection_dram_ecc, OID_AUTO, bit_mask, SYSCTL_PROC(_hw_error_injection_dram_ecc, OID_AUTO, bit_mask,
CTLTYPE_UINT | CTLFLAG_RW, &bit_mask, INJ_VECTOR_MASK, CTLTYPE_UINT | CTLFLAG_RW | CTLFLAG_NEEDGIANT,
sysctl_nonzero_int_with_max, "IU", &bit_mask, INJ_VECTOR_MASK, sysctl_nonzero_int_with_max, "IU",
"16-bit mask of bits within each selected word where errors " "16-bit mask of bits within each selected word where errors "
"should be injected"); "should be injected");
SYSCTL_PROC(_hw_error_injection_dram_ecc, OID_AUTO, inject, SYSCTL_PROC(_hw_error_injection_dram_ecc, OID_AUTO, inject,
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0, sysctl_proc_inject, "I", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, NULL, 0, sysctl_proc_inject, "I",
"Inject a number of errors according to configured parameters"); "Inject a number of errors according to configured parameters");
static void static void
ecc_ei_inject_one(void *arg, size_t size) ecc_ei_inject_one(void *arg, size_t size)
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