PCIE KSetGo.2 failed with machine check

[Li-Aaron]

Run PCIE case KSetGo.2 on intel platform + a PCIE device, failed with machine check.

log from tee-io-validator

...
[info] ready_key_set_1 = 0
[info] [idetest]       Test KSetGo K1|RX|PR
[info] [idetest]       Test KSetGo K1|RX|NPR
[info] [idetest]       Test KSetGo K1|RX|CPL
[info] [idetest]       Test KSetGo K1|TX|PR
[info] [idetest]       Test KSetGo K1|TX|NPR
[info] [idetest]       Test KSetGo K1|TX|CPL
[info] IDE Stream Control register: 0x1000000
[info] IDE Stream Control register: 0x1000000
[info] IDE Stream Status register: 0x2
[info] Check Common Assertion: link_ide status register - BIT_3:0 (link_ide state) - Secure(2) <-- Machine check happens after this line

log from kernel

[  236.401728] Kernel panic - not syncing: Fatal machine check
[  237.428257] Shutting down cpus with NMI

Type	Case	Detail	Summary	Note
Link IDE	KSetGo.1	KS0	pass
Link IDE	KSetGo.2	KS1	fail
Link IDE	KSetGo.3	KS0->KS1	pass
Link IDE	KSetGo.4	KS1->KS0	fail
Link IDE	KSetGo.4	KS1->read dev ide cap->KS0	fail
Link IDE	KSetGo.2	KS1->disable host ide->disable dev ide	pass	(switch order for disable host/dev ide)
Link IDE	KSetGo.2	KS1->skip read ide cap	fail	Failed on read ide stream control
Link IDE	KSetGo.2	KS1->read 1st cap	fail	before teardown read dev ide cap
Link IDE	KSetGo.2	KS1->read last cap	fail
Link IDE	KSetGo.2	KS1->read doe status register	fail
Link IDE	KSetGo.2	KS1->read any other caps	fail
Selective IDE	KSetGo.2	KS1	pass

[Li-Aaron]

Error happens at
pcie_ide_teardown_common -> enable_ide_stream_in_ecap -> get_ide_reg_block_offset -> device_pci_read_32

tee-io-validator/teeio-validator/library/pcie_ide_lib/pcie_ide.c

Lines 876 to 880 in 9f043bf

	uint32_t get_ide_reg_block_offset(int fd, TEST_IDE_TYPE ide_type, uint8_t ide_id, uint32_t ide_ecap_offset)
	{
	uint32_t ide_reg_block_offset = 0;
	PCIE_IDE_CAP ide_cap = {.raw = 0};
	ide_cap.raw = device_pci_read_32(ide_ecap_offset + sizeof(PCIE_CAP_ID), fd);

(after KSetGo and IDE stream enable, read IDE capability in device config space)

[Li-Aaron]

Update case sequence test:

Type	Case Sequence	Detail	Summary	Note
Link IDE	KSetGo.2	KS1	fail
Link IDE	KSetGo.3 -> KSetGo.2	KS0->KS1, KS1	pass
Link IDE	KSetGo.1 -> KSetGo.2	KS0, KS1	fail
Link IDE	KSetGo.3 -> KSetGo.1 -> KSetGo.2	KS0->KS1, KS0, KS1	fail
Link IDE	KSetGo.4	KS1->KS0	fail
Link IDE	KSetGo.3 -> KSetGo.4	KS0->KS1, KS1->KS0	pass
Link IDE	KSetGo.3 -> KSetGo.1 -> KSetGo.4	KS0->KS1, KS0, KS1->KS0	fail

• if KSetGo.3 was ran before KSetGo.2/4 => pass
• if KSetGo.1 was ran before KSetGo.2/4 => fail
• run KSetGo.2/4 directly => fail