Test nvme error logging by injecting errors. Kernel must have FAULT_INJECTION
and FAULT_INJECTION_DEBUG_FS configured to use error injector. Tests can be
run with or without NVME_VERBOSE_ERRORS configured.
Signed-off-by: Alan Adamson <alan.adamson@xxxxxxxxxx>
Signed-off-by: Chaitanya Kulkarni <kch@xxxxxxxxxx>
---
tests/nvme/039 | 152 +++++++++++++++++++++++++++++++++++++++++++++
tests/nvme/039.out | 7 +++
2 files changed, 159 insertions(+)
create mode 100755 tests/nvme/039
create mode 100644 tests/nvme/039.out
diff --git a/tests/nvme/039 b/tests/nvme/039
new file mode 100755
index 000000000000..dd216cbb2ef0
--- /dev/null
+++ b/tests/nvme/039
@@ -0,0 +1,152 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2022 Oracle and/or its affiliates
+#
+# Test nvme error logging by injecting errors. Kernel must have FAULT_INJECTION
+# and FAULT_INJECTION_DEBUG_FS configured to use error injector. Tests can be
+# run with or without NVME_VERBOSE_ERRORS configured.
+#
+# Test for commit bd83fe6f2cd2 ("nvme: add verbose error logging").
+
+. tests/nvme/rc
+DESCRIPTION="test error logging"
+QUICK=1
+
+requires() {
+ _nvme_requires
+ _have_kernel_option FAULT_INJECTION && \
+ _have_kernel_option FAULT_INJECTION_DEBUG_FS
+}
+
+inject_unrec_read_read()
+{
+ # Inject a 'Unrecovered Read Error' (0x281) status error on a READ
+ _nvme_enable_err_inject "$1" 0 100 1 0x281 1
+
+ dd if=/dev/"$1" of=/dev/null bs=512 count=1 iflag=direct \
+ 2> /dev/null 1>&2
+
+ _nvme_clear_err_inject "$1"
+ if ${nvme_verbose_errors}; then
+ dmesg -t | tail -2 | grep "Unrecovered Read Error (" | \
+ sed 's/nvme.*://g'
+ else
+ dmesg -t | tail -2 | grep "Cmd(" | sed 's/I\/O Cmd/Read/g' | \
+ sed 's/I\/O Error/Unrecovered Read Error/g' | \
+ sed 's/nvme.*://g'
+ fi
+}
+
+inject_invalid_status_read()
+{
+ # Inject an invalid status (0x375) on a READ
+ _nvme_enable_err_inject "$1" 0 100 1 0x375 1
+
+ dd if=/dev/"$1" of=/dev/null bs=512 count=1 iflag=direct \
+ 2> /dev/null 1>&2
+
+ _nvme_clear_err_inject "$1"
+
+ if ${nvme_verbose_errors}; then
+ dmesg -t | tail -2 | grep "Unknown (" | \
+ sed 's/nvme.*://g'
+ else
+ dmesg -t | tail -2 | grep "Cmd(" | sed 's/I\/O Cmd/Read/g' | \
+ sed 's/I\/O Error/Unknown/g' | \
+ sed 's/nvme.*://g'
+ fi
+}
+
+inject_write_fault_write()
+{
+ # Inject a 'Write Fault' 0x280 status error on a WRITE
+ _nvme_enable_err_inject "$1" 0 100 1 0x280 1
+
+ dd if=/dev/zero of=/dev/"$1" bs=512 count=1 oflag=direct \
+ 2> /dev/null 1>&2
+
+ _nvme_clear_err_inject "$1"
+
+ if ${nvme_verbose_errors}; then
+ dmesg -t | tail -2 | grep "Write Fault (" | \
+ sed 's/nvme.*://g'
+ else
+ dmesg -t | tail -2 | grep "Cmd(" | sed 's/I\/O Cmd/Write/g' | \
+ sed 's/I\/O Error/Write Fault/g' | \
+ sed 's/nvme.*://g'
+ fi
+}
+
+inject_access_denied_identify()
+{
+ # Inject a 'Access Denied' (0x286) status error on an
+ # Identify admin command
+ _nvme_enable_err_inject "$1" 0 100 1 0x286 1
+
+ nvme admin-passthru /dev/"$1" --opcode=0x06 --data-len=4096 \
+ --cdw10=1 -r 2> /dev/null 1>&2
+
+ _nvme_clear_err_inject "$1"
+
+ if ${nvme_verbose_errors}; then
+ dmesg -t | tail -1 | grep "Access Denied (" | \
+ sed 's/nvme.*://g'
+ else
+ dmesg -t | tail -1 | grep "Admin Cmd(" | \
+ sed 's/Admin Cmd/Identify/g' | \
+ sed 's/I\/O Error/Access Denied/g' | \
+ sed 's/nvme.*://g'
+ fi
+}
+
+inject_invalid_cmd_admin()
+{
+ # Inject a 'Invalid Command Opcode' (0x1) on an invalid command (0x96)
+ _nvme_enable_err_inject "$1" 0 100 1 0x1 1
+
+ nvme admin-passthru /dev/"$1" --opcode=0x96 --data-len=4096 \
+ --cdw10=1 -r 2> /dev/null 1>&2
+
+ _nvme_clear_err_inject "$1"
+
+ if ${nvme_verbose_errors}; then
+ dmesg -t | tail -1 | grep "Invalid Command Opcode (" | \
+ sed 's/nvme.*://g'
+ else
+ dmesg -t | tail -1 | grep "Admin Cmd(" | \
+ sed 's/Admin Cmd/Unknown/g' | \
+ sed 's/I\/O Error/Invalid Command Opcode/g' | \
+ sed 's/nvme.*://g'
+ fi
+}
+
+test_device() {
+ local nvme_verbose_errors
+ local ns_dev
+ local ctrl_dev
+
+ echo "Running ${TEST_NAME}"
+
+ if _have_kernel_option NVME_VERBOSE_ERRORS; then
+ nvme_verbose_errors=true
+ else
+ unset SKIP_REASON
+ nvme_verbose_errors=false
+ fi
+
+ ns_dev=${TEST_DEV##*/}
+ ctrl_dev=${ns_dev%n*}
+
+ _nvme_err_inject_setup "${ns_dev}" "${ctrl_dev}"
+
+ inject_unrec_read_read "${ns_dev}"
+ inject_invalid_status_read "${ns_dev}"
+ inject_write_fault_write "${ns_dev}"
+
+ inject_access_denied_identify "${ctrl_dev}"
+ inject_invalid_cmd_admin "${ctrl_dev}"
+
+ _nvme_err_inject_cleanup "${ns_dev}" "${ctrl_dev}"
+
+ echo "Test complete"
+}
diff --git a/tests/nvme/039.out b/tests/nvme/039.out
new file mode 100644
index 000000000000..162935eb1d7b
--- /dev/null
+++ b/tests/nvme/039.out
@@ -0,0 +1,7 @@
+Running nvme/039
+ Read(0x2) @ LBA 0, 1 blocks, Unrecovered Read Error (sct 0x2 / sc 0x81) DNR
+ Read(0x2) @ LBA 0, 1 blocks, Unknown (sct 0x3 / sc 0x75) DNR
+ Write(0x1) @ LBA 0, 1 blocks, Write Fault (sct 0x2 / sc 0x80) DNR
+ Identify(0x6), Access Denied (sct 0x2 / sc 0x86) DNR
+ Unknown(0x96), Invalid Command Opcode (sct 0x0 / sc 0x1) DNR
+Test complete
--
2.27.0
