* [Qemu-devel] [PATCH v5 01/12] s390-ccw: refactor boot map table code
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-06 5:52 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 02/12] s390-ccw: refactor eckd_block_num to use CHS Collin L. Walling
` (11 subsequent siblings)
12 siblings, 1 reply; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
- replace ScsiMbr in ECKD code with BootMapTable
- fix read_block messages to reflect BMT
- reduce ipl_scsi code with BMT struct
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
---
pc-bios/s390-ccw/bootmap.c | 53 ++++++++++++++++++----------------------------
pc-bios/s390-ccw/bootmap.h | 9 +++++++-
2 files changed, 29 insertions(+), 33 deletions(-)
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index 67a6123..8ee9056 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -182,13 +182,13 @@ static block_number_t load_eckd_segments(block_number_t blk, uint64_t *address)
return block_nr;
}
-static void run_eckd_boot_script(block_number_t mbr_block_nr)
+static void run_eckd_boot_script(block_number_t bmt_block_nr)
{
int i;
unsigned int loadparm = get_loadparm_index();
block_number_t block_nr;
uint64_t address;
- ScsiMbr *bte = (void *)sec; /* Eckd bootmap table entry */
+ BootMapTable *bmt = (void *)sec;
BootMapScript *bms = (void *)sec;
debug_print_int("loadparm", loadparm);
@@ -196,10 +196,10 @@ static void run_eckd_boot_script(block_number_t mbr_block_nr)
" maximum number of boot entries allowed");
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
- read_block(mbr_block_nr, sec, "Cannot read MBR");
+ read_block(bmt_block_nr, sec, "Cannot read Boot Map Table");
- block_nr = eckd_block_num((void *)&(bte->blockptr[loadparm]));
- IPL_assert(block_nr != -1, "No Boot Map");
+ block_nr = eckd_block_num((void *)&bmt->bte[loadparm]);
+ IPL_assert(block_nr != -1, "Cannot find Boot Map Table Entry");
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
read_block(block_nr, sec, "Cannot read Boot Map Script");
@@ -223,7 +223,7 @@ static void ipl_eckd_cdl(void)
XEckdMbr *mbr;
Ipl2 *ipl2 = (void *)sec;
IplVolumeLabel *vlbl = (void *)sec;
- block_number_t block_nr;
+ block_number_t bmt_block_nr;
/* we have just read the block #0 and recognized it as "IPL1" */
sclp_print("CDL\n");
@@ -238,8 +238,8 @@ static void ipl_eckd_cdl(void)
IPL_assert(mbr->dev_type == DEV_TYPE_ECKD,
"Non-ECKD device type in zIPL section of IPL2 record.");
- /* save pointer to Boot Script */
- block_nr = eckd_block_num((void *)&(mbr->blockptr));
+ /* save pointer to Boot Map Table */
+ bmt_block_nr = eckd_block_num((void *)&mbr->blockptr);
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
read_block(2, vlbl, "Cannot read Volume Label at block 2");
@@ -249,7 +249,7 @@ static void ipl_eckd_cdl(void)
"Invalid magic of volser block");
print_volser(vlbl->f.volser);
- run_eckd_boot_script(block_nr);
+ run_eckd_boot_script(bmt_block_nr);
/* no return */
}
@@ -280,7 +280,7 @@ static void print_eckd_ldl_msg(ECKD_IPL_mode_t mode)
static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
{
- block_number_t block_nr;
+ block_number_t bmt_block_nr;
BootInfo *bip = (void *)(sec + 0x70); /* BootInfo is MBR for LDL */
if (mode != ECKD_LDL_UNLABELED) {
@@ -299,8 +299,10 @@ static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
}
verify_boot_info(bip);
- block_nr = eckd_block_num((void *)&(bip->bp.ipl.bm_ptr.eckd.bptr));
- run_eckd_boot_script(block_nr);
+ /* save pointer to Boot Map Table */
+ bmt_block_nr = eckd_block_num((void *)&bip->bp.ipl.bm_ptr.eckd.bptr);
+
+ run_eckd_boot_script(bmt_block_nr);
/* no return */
}
@@ -325,7 +327,7 @@ static void print_eckd_msg(void)
static void ipl_eckd(void)
{
- ScsiMbr *mbr = (void *)sec;
+ XEckdMbr *mbr = (void *)sec;
LDL_VTOC *vlbl = (void *)sec;
print_eckd_msg();
@@ -449,10 +451,8 @@ static void zipl_run(ScsiBlockPtr *pte)
static void ipl_scsi(void)
{
ScsiMbr *mbr = (void *)sec;
- uint8_t *ns, *ns_end;
int program_table_entries = 0;
- const int pte_len = sizeof(ScsiBlockPtr);
- ScsiBlockPtr *prog_table_entry = NULL;
+ BootMapTable *bmt = (void *)sec;
unsigned int loadparm = get_loadparm_index();
/* Grab the MBR */
@@ -467,34 +467,23 @@ static void ipl_scsi(void)
debug_print_int("MBR Version", mbr->version_id);
IPL_check(mbr->version_id == 1,
"Unknown MBR layout version, assuming version 1");
- debug_print_int("program table", mbr->blockptr[0].blockno);
- IPL_assert(mbr->blockptr[0].blockno, "No Program Table");
+ debug_print_int("program table", mbr->bmt.blockno);
+ IPL_assert(mbr->bmt.blockno, "No Program Table");
/* Parse the program table */
- read_block(mbr->blockptr[0].blockno, sec,
- "Error reading Program Table");
+ read_block(mbr->bmt.blockno, sec, "Error reading Program Table");
IPL_assert(magic_match(sec, ZIPL_MAGIC), "No zIPL magic in PT");
debug_print_int("loadparm index", loadparm);
- ns_end = sec + virtio_get_block_size();
- for (ns = (sec + pte_len); (ns + pte_len) < ns_end; ns += pte_len) {
- prog_table_entry = (ScsiBlockPtr *)ns;
- if (!prog_table_entry->blockno) {
- break;
- }
+ while (bmt->bte[program_table_entries].scsi.blockno) {
program_table_entries++;
- if (program_table_entries == loadparm + 1) {
- break; /* selected entry found */
- }
}
debug_print_int("program table entries", program_table_entries);
- IPL_assert(program_table_entries != 0, "Empty Program Table");
-
- zipl_run(prog_table_entry); /* no return */
+ zipl_run(&bmt->bte[loadparm].scsi); /* no return */
}
/***********************************************************************
diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h
index cf99a4c..77d56db 100644
--- a/pc-bios/s390-ccw/bootmap.h
+++ b/pc-bios/s390-ccw/bootmap.h
@@ -53,6 +53,13 @@ typedef union BootMapPointer {
ExtEckdBlockPtr xeckd;
} __attribute__ ((packed)) BootMapPointer;
+/* aka Program Table */
+typedef struct BootMapTable {
+ uint8_t magic[4];
+ uint8_t reserved[12];
+ BootMapPointer bte[];
+} __attribute__ ((packed)) BootMapTable;
+
typedef struct ComponentEntry {
ScsiBlockPtr data;
uint8_t pad[7];
@@ -70,7 +77,7 @@ typedef struct ScsiMbr {
uint8_t magic[4];
uint32_t version_id;
uint8_t reserved[8];
- ScsiBlockPtr blockptr[];
+ ScsiBlockPtr bmt;
} __attribute__ ((packed)) ScsiMbr;
#define ZIPL_MAGIC "zIPL"
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 01/12] s390-ccw: refactor boot map table code
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 01/12] s390-ccw: refactor boot map table code Collin L. Walling
@ 2018-02-06 5:52 ` Thomas Huth
2018-02-06 17:05 ` Collin L. Walling
0 siblings, 1 reply; 38+ messages in thread
From: Thomas Huth @ 2018-02-06 5:52 UTC (permalink / raw)
To: Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, mihajlov, borntraeger, eblake
On 05.02.2018 21:57, Collin L. Walling wrote:
> - replace ScsiMbr in ECKD code with BootMapTable
> - fix read_block messages to reflect BMT
> - reduce ipl_scsi code with BMT struct
>
> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
> ---
[...]
> @@ -449,10 +451,8 @@ static void zipl_run(ScsiBlockPtr *pte)
> static void ipl_scsi(void)
> {
> ScsiMbr *mbr = (void *)sec;
> - uint8_t *ns, *ns_end;
> int program_table_entries = 0;
> - const int pte_len = sizeof(ScsiBlockPtr);
> - ScsiBlockPtr *prog_table_entry = NULL;
> + BootMapTable *bmt = (void *)sec;
> unsigned int loadparm = get_loadparm_index();
>
> /* Grab the MBR */
> @@ -467,34 +467,23 @@ static void ipl_scsi(void)
> debug_print_int("MBR Version", mbr->version_id);
> IPL_check(mbr->version_id == 1,
> "Unknown MBR layout version, assuming version 1");
> - debug_print_int("program table", mbr->blockptr[0].blockno);
> - IPL_assert(mbr->blockptr[0].blockno, "No Program Table");
> + debug_print_int("program table", mbr->bmt.blockno);
> + IPL_assert(mbr->bmt.blockno, "No Program Table");
>
> /* Parse the program table */
> - read_block(mbr->blockptr[0].blockno, sec,
> - "Error reading Program Table");
> + read_block(mbr->bmt.blockno, sec, "Error reading Program Table");
>
> IPL_assert(magic_match(sec, ZIPL_MAGIC), "No zIPL magic in PT");
>
> debug_print_int("loadparm index", loadparm);
> - ns_end = sec + virtio_get_block_size();
> - for (ns = (sec + pte_len); (ns + pte_len) < ns_end; ns += pte_len) {
> - prog_table_entry = (ScsiBlockPtr *)ns;
> - if (!prog_table_entry->blockno) {
> - break;
> - }
>
> + while (bmt->bte[program_table_entries].scsi.blockno) {
> program_table_entries++;
I think it might make sense to somehow limit this loop like it was done
for the original for-loop, so that in case the sector only contains
non-zero garbage you do not loop here forever.
> - if (program_table_entries == loadparm + 1) {
> - break; /* selected entry found */
> - }
> }
>
> debug_print_int("program table entries", program_table_entries);
>
> - IPL_assert(program_table_entries != 0, "Empty Program Table");
Don't want to keep the IPL_assert now that you've kept the
program_table_entries variable?
> - zipl_run(prog_table_entry); /* no return */
> + zipl_run(&bmt->bte[loadparm].scsi); /* no return */
> }
Thomas
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 01/12] s390-ccw: refactor boot map table code
2018-02-06 5:52 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
@ 2018-02-06 17:05 ` Collin L. Walling
0 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-06 17:05 UTC (permalink / raw)
To: Thomas Huth, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, mihajlov, borntraeger, eblake
On 02/06/2018 12:52 AM, Thomas Huth wrote:
> On 05.02.2018 21:57, Collin L. Walling wrote:
>> - replace ScsiMbr in ECKD code with BootMapTable
>> - fix read_block messages to reflect BMT
>> - reduce ipl_scsi code with BMT struct
>>
>> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
>> ---
> [...]
>> @@ -449,10 +451,8 @@ static void zipl_run(ScsiBlockPtr *pte)
>> static void ipl_scsi(void)
>> {
>> ScsiMbr *mbr = (void *)sec;
>> - uint8_t *ns, *ns_end;
>> int program_table_entries = 0;
>> - const int pte_len = sizeof(ScsiBlockPtr);
>> - ScsiBlockPtr *prog_table_entry = NULL;
>> + BootMapTable *bmt = (void *)sec;
>> unsigned int loadparm = get_loadparm_index();
>>
>> /* Grab the MBR */
>> @@ -467,34 +467,23 @@ static void ipl_scsi(void)
>> debug_print_int("MBR Version", mbr->version_id);
>> IPL_check(mbr->version_id == 1,
>> "Unknown MBR layout version, assuming version 1");
>> - debug_print_int("program table", mbr->blockptr[0].blockno);
>> - IPL_assert(mbr->blockptr[0].blockno, "No Program Table");
>> + debug_print_int("program table", mbr->bmt.blockno);
>> + IPL_assert(mbr->bmt.blockno, "No Program Table");
>>
>> /* Parse the program table */
>> - read_block(mbr->blockptr[0].blockno, sec,
>> - "Error reading Program Table");
>> + read_block(mbr->bmt.blockno, sec, "Error reading Program Table");
>>
>> IPL_assert(magic_match(sec, ZIPL_MAGIC), "No zIPL magic in PT");
>>
>> debug_print_int("loadparm index", loadparm);
>> - ns_end = sec + virtio_get_block_size();
>> - for (ns = (sec + pte_len); (ns + pte_len) < ns_end; ns += pte_len) {
>> - prog_table_entry = (ScsiBlockPtr *)ns;
>> - if (!prog_table_entry->blockno) {
>> - break;
>> - }
>>
>> + while (bmt->bte[program_table_entries].scsi.blockno) {
>> program_table_entries++;
> I think it might make sense to somehow limit this loop like it was done
> for the original for-loop, so that in case the sector only contains
> non-zero garbage you do not loop here forever.
It should be easy enough to implement a loop condition like it was before
without getting too messy.
I'll also dig into the docs (or more likely through the zipl code) and see
if there exists a limit on the number of program entires for SCSI.
>
>> - if (program_table_entries == loadparm + 1) {
>> - break; /* selected entry found */
>> - }
>> }
>>
>> debug_print_int("program table entries", program_table_entries);
>>
>> - IPL_assert(program_table_entries != 0, "Empty Program Table");
> Don't want to keep the IPL_assert now that you've kept the
> program_table_entries variable?
True. I'll re-add the assertion.
>
>> - zipl_run(prog_table_entry); /* no return */
>> + zipl_run(&bmt->bte[loadparm].scsi); /* no return */
>> }
> Thomas
>
--
- Collin L Walling
^ permalink raw reply [flat|nested] 38+ messages in thread
* [Qemu-devel] [PATCH v5 02/12] s390-ccw: refactor eckd_block_num to use CHS
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 01/12] s390-ccw: refactor boot map table code Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-06 6:00 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 03/12] s390-ccw: refactor IPL structs Collin L. Walling
` (10 subsequent siblings)
12 siblings, 1 reply; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
Add new cylinder/head/sector struct. Use it to calculate
eckd block numbers instead of a BootMapPointer (which used
eckd chs anyway).
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
---
pc-bios/s390-ccw/bootmap.c | 28 ++++++++++++++--------------
pc-bios/s390-ccw/bootmap.h | 8 ++++++--
2 files changed, 20 insertions(+), 16 deletions(-)
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index 8ee9056..9b9696e 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -95,32 +95,32 @@ static inline void verify_boot_info(BootInfo *bip)
"Bad block size in zIPL section of the 1st record.");
}
-static block_number_t eckd_block_num(BootMapPointer *p)
+static block_number_t eckd_block_num(EckdCHS *chs)
{
const uint64_t sectors = virtio_get_sectors();
const uint64_t heads = virtio_get_heads();
- const uint64_t cylinder = p->eckd.cylinder
- + ((p->eckd.head & 0xfff0) << 12);
- const uint64_t head = p->eckd.head & 0x000f;
+ const uint64_t cylinder = chs->cylinder
+ + ((chs->head & 0xfff0) << 12);
+ const uint64_t head = chs->head & 0x000f;
const block_number_t block = sectors * heads * cylinder
+ sectors * head
- + p->eckd.sector
+ + chs->sector
- 1; /* block nr starts with zero */
return block;
}
static bool eckd_valid_address(BootMapPointer *p)
{
- const uint64_t head = p->eckd.head & 0x000f;
+ const uint64_t head = p->eckd.chs.head & 0x000f;
if (head >= virtio_get_heads()
- || p->eckd.sector > virtio_get_sectors()
- || p->eckd.sector <= 0) {
+ || p->eckd.chs.sector > virtio_get_sectors()
+ || p->eckd.chs.sector <= 0) {
return false;
}
if (!virtio_guessed_disk_nature() &&
- eckd_block_num(p) >= virtio_get_blocks()) {
+ eckd_block_num(&p->eckd.chs) >= virtio_get_blocks()) {
return false;
}
@@ -140,7 +140,7 @@ static block_number_t load_eckd_segments(block_number_t blk, uint64_t *address)
do {
more_data = false;
for (j = 0;; j++) {
- block_nr = eckd_block_num((void *)&(bprs[j].xeckd));
+ block_nr = eckd_block_num(&bprs[j].xeckd.bptr.chs);
if (is_null_block_number(block_nr)) { /* end of chunk */
break;
}
@@ -198,7 +198,7 @@ static void run_eckd_boot_script(block_number_t bmt_block_nr)
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
read_block(bmt_block_nr, sec, "Cannot read Boot Map Table");
- block_nr = eckd_block_num((void *)&bmt->bte[loadparm]);
+ block_nr = eckd_block_num(&bmt->bte[loadparm].xeckd.bptr.chs);
IPL_assert(block_nr != -1, "Cannot find Boot Map Table Entry");
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
@@ -206,7 +206,7 @@ static void run_eckd_boot_script(block_number_t bmt_block_nr)
for (i = 0; bms->entry[i].type == BOOT_SCRIPT_LOAD; i++) {
address = bms->entry[i].address.load_address;
- block_nr = eckd_block_num(&(bms->entry[i].blkptr));
+ block_nr = eckd_block_num(&bms->entry[i].blkptr.xeckd.bptr.chs);
do {
block_nr = load_eckd_segments(block_nr, &address);
@@ -239,7 +239,7 @@ static void ipl_eckd_cdl(void)
"Non-ECKD device type in zIPL section of IPL2 record.");
/* save pointer to Boot Map Table */
- bmt_block_nr = eckd_block_num((void *)&mbr->blockptr);
+ bmt_block_nr = eckd_block_num(&mbr->blockptr.xeckd.bptr.chs);
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
read_block(2, vlbl, "Cannot read Volume Label at block 2");
@@ -300,7 +300,7 @@ static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
verify_boot_info(bip);
/* save pointer to Boot Map Table */
- bmt_block_nr = eckd_block_num((void *)&bip->bp.ipl.bm_ptr.eckd.bptr);
+ bmt_block_nr = eckd_block_num(&bip->bp.ipl.bm_ptr.eckd.bptr.chs);
run_eckd_boot_script(bmt_block_nr);
/* no return */
diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h
index 77d56db..260ac2a 100644
--- a/pc-bios/s390-ccw/bootmap.h
+++ b/pc-bios/s390-ccw/bootmap.h
@@ -32,10 +32,14 @@ typedef struct FbaBlockPtr {
uint16_t blockct;
} __attribute__ ((packed)) FbaBlockPtr;
-typedef struct EckdBlockPtr {
- uint16_t cylinder; /* cylinder/head/sector is an address of the block */
+typedef struct EckdCHS {
+ uint16_t cylinder;
uint16_t head;
uint8_t sector;
+} __attribute__ ((packed)) EckdCHS;
+
+typedef struct EckdBlockPtr {
+ EckdCHS chs; /* cylinder/head/sector is an address of the block */
uint16_t size;
uint8_t count; /* (size_in_blocks-1);
* it's 0 for TablePtr, ScriptPtr, and SectionPtr */
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 02/12] s390-ccw: refactor eckd_block_num to use CHS
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 02/12] s390-ccw: refactor eckd_block_num to use CHS Collin L. Walling
@ 2018-02-06 6:00 ` Thomas Huth
0 siblings, 0 replies; 38+ messages in thread
From: Thomas Huth @ 2018-02-06 6:00 UTC (permalink / raw)
To: Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, mihajlov, borntraeger, eblake
On 05.02.2018 21:57, Collin L. Walling wrote:
> Add new cylinder/head/sector struct. Use it to calculate
> eckd block numbers instead of a BootMapPointer (which used
> eckd chs anyway).
>
> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
> ---
> pc-bios/s390-ccw/bootmap.c | 28 ++++++++++++++--------------
> pc-bios/s390-ccw/bootmap.h | 8 ++++++--
> 2 files changed, 20 insertions(+), 16 deletions(-)
Reviewed-by: Thomas Huth <thuth@redhat.com>
^ permalink raw reply [flat|nested] 38+ messages in thread
* [Qemu-devel] [PATCH v5 03/12] s390-ccw: refactor IPL structs
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 01/12] s390-ccw: refactor boot map table code Collin L. Walling
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 02/12] s390-ccw: refactor eckd_block_num to use CHS Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 04/12] s390-ccw: update libc Collin L. Walling
` (9 subsequent siblings)
12 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
ECKD DASDs have different IPL structures for CDL and LDL
formats. The current Ipl1 and Ipl2 structs follow the CDL
format, so we prepend "EckdCdl" to them. Boot info for LDL
has been moved to a new struct: EckdLdlIpl1.
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Acked-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
pc-bios/s390-ccw/bootmap.c | 12 ++++++------
pc-bios/s390-ccw/bootmap.h | 37 +++++++++++++++++++++----------------
2 files changed, 27 insertions(+), 22 deletions(-)
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index 9b9696e..c97f136 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -221,7 +221,7 @@ static void run_eckd_boot_script(block_number_t bmt_block_nr)
static void ipl_eckd_cdl(void)
{
XEckdMbr *mbr;
- Ipl2 *ipl2 = (void *)sec;
+ EckdCdlIpl2 *ipl2 = (void *)sec;
IplVolumeLabel *vlbl = (void *)sec;
block_number_t bmt_block_nr;
@@ -231,7 +231,7 @@ static void ipl_eckd_cdl(void)
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
read_block(1, ipl2, "Cannot read IPL2 record at block 1");
- mbr = &ipl2->u.x.mbr;
+ mbr = &ipl2->mbr;
IPL_assert(magic_match(mbr, ZIPL_MAGIC), "No zIPL section in IPL2 record.");
IPL_assert(block_size_ok(mbr->blockptr.xeckd.bptr.size),
"Bad block size in zIPL section of IPL2 record.");
@@ -281,7 +281,7 @@ static void print_eckd_ldl_msg(ECKD_IPL_mode_t mode)
static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
{
block_number_t bmt_block_nr;
- BootInfo *bip = (void *)(sec + 0x70); /* BootInfo is MBR for LDL */
+ EckdLdlIpl1 *ipl1 = (void *)sec;
if (mode != ECKD_LDL_UNLABELED) {
print_eckd_ldl_msg(mode);
@@ -292,15 +292,15 @@ static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
read_block(0, sec, "Cannot read block 0 to grab boot info.");
if (mode == ECKD_LDL_UNLABELED) {
- if (!magic_match(bip->magic, ZIPL_MAGIC)) {
+ if (!magic_match(ipl1->bip.magic, ZIPL_MAGIC)) {
return; /* not applicable layout */
}
sclp_print("unlabeled LDL.\n");
}
- verify_boot_info(bip);
+ verify_boot_info(&ipl1->bip);
/* save pointer to Boot Map Table */
- bmt_block_nr = eckd_block_num(&bip->bp.ipl.bm_ptr.eckd.bptr.chs);
+ bmt_block_nr = eckd_block_num(&ipl1->bip.bp.ipl.bm_ptr.eckd.bptr.chs);
run_eckd_boot_script(bmt_block_nr);
/* no return */
diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h
index 260ac2a..cfe9ddd 100644
--- a/pc-bios/s390-ccw/bootmap.h
+++ b/pc-bios/s390-ccw/bootmap.h
@@ -237,22 +237,27 @@ typedef struct BootInfo { /* @ 0x70, record #0 */
} bp;
} __attribute__ ((packed)) BootInfo; /* see also XEckdMbr */
-typedef struct Ipl1 {
- unsigned char key[4]; /* == "IPL1" */
- unsigned char data[24];
-} __attribute__((packed)) Ipl1;
-
-typedef struct Ipl2 {
- unsigned char key[4]; /* == "IPL2" */
- union {
- unsigned char data[144];
- struct {
- unsigned char reserved1[92-4];
- XEckdMbr mbr;
- unsigned char reserved2[144-(92-4)-sizeof(XEckdMbr)];
- } x;
- } u;
-} __attribute__((packed)) Ipl2;
+/*
+ * Structs for IPL
+ */
+#define STAGE2_BLK_CNT_MAX 24 /* Stage 1b can load up to 24 blocks */
+
+typedef struct EckdCdlIpl1 {
+ uint8_t key[4]; /* == "IPL1" */
+ uint8_t data[24];
+} __attribute__((packed)) EckdCdlIpl1;
+
+typedef struct EckdCdlIpl2 {
+ uint8_t key[4]; /* == "IPL2" */
+ uint8_t reserved0[88];
+ XEckdMbr mbr;
+ uint8_t reserved[24];
+} __attribute__((packed)) EckdCdlIpl2;
+
+typedef struct EckdLdlIpl1 {
+ uint8_t reserved[112];
+ BootInfo bip; /* BootInfo is MBR for LDL */
+} __attribute__((packed)) EckdLdlIpl1;
typedef struct IplVolumeLabel {
unsigned char key[4]; /* == "VOL1" */
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* [Qemu-devel] [PATCH v5 04/12] s390-ccw: update libc
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (2 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 03/12] s390-ccw: refactor IPL structs Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-06 6:14 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location Collin L. Walling
` (8 subsequent siblings)
12 siblings, 1 reply; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
Moved:
memcmp from bootmap.h to libc.h (renamed from _memcmp)
strlen from sclp.c to libc.h (renamed from _strlen)
Added C standard functions:
isdigit
Added non C-standard function:
itostr
atoui
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
---
pc-bios/s390-ccw/Makefile | 2 +-
pc-bios/s390-ccw/bootmap.c | 4 +-
pc-bios/s390-ccw/bootmap.h | 16 +-------
pc-bios/s390-ccw/libc.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++
pc-bios/s390-ccw/libc.h | 35 +++++++++++++++++-
pc-bios/s390-ccw/main.c | 17 +--------
pc-bios/s390-ccw/sclp.c | 10 +----
7 files changed, 131 insertions(+), 44 deletions(-)
create mode 100644 pc-bios/s390-ccw/libc.c
diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile
index 6d0c2ee..9f7904f 100644
--- a/pc-bios/s390-ccw/Makefile
+++ b/pc-bios/s390-ccw/Makefile
@@ -9,7 +9,7 @@ $(call set-vpath, $(SRC_PATH)/pc-bios/s390-ccw)
.PHONY : all clean build-all
-OBJECTS = start.o main.o bootmap.o sclp.o virtio.o virtio-scsi.o virtio-blkdev.o
+OBJECTS = start.o main.o bootmap.o sclp.o virtio.o virtio-scsi.o virtio-blkdev.o libc.o
QEMU_CFLAGS := $(filter -W%, $(QEMU_CFLAGS))
QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -msoft-float
QEMU_CFLAGS += -march=z900 -fPIE -fno-strict-aliasing
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index c97f136..e3cbb09b 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -501,7 +501,7 @@ static bool is_iso_bc_entry_compatible(IsoBcSection *s)
"Failed to read image sector 0");
/* Checking bytes 8 - 32 for S390 Linux magic */
- return !_memcmp(magic_sec + 8, linux_s390_magic, 24);
+ return !memcmp(magic_sec + 8, linux_s390_magic, 24);
}
/* Location of the current sector of the directory */
@@ -630,7 +630,7 @@ static uint32_t find_iso_bc(void)
if (vd->type == VOL_DESC_TYPE_BOOT) {
IsoVdElTorito *et = &vd->vd.boot;
- if (!_memcmp(&et->el_torito[0], el_torito_magic, 32)) {
+ if (!memcmp(&et->el_torito[0], el_torito_magic, 32)) {
return bswap32(et->bc_offset);
}
}
diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h
index cfe9ddd..b0a135c 100644
--- a/pc-bios/s390-ccw/bootmap.h
+++ b/pc-bios/s390-ccw/bootmap.h
@@ -326,20 +326,6 @@ static inline bool magic_match(const void *data, const void *magic)
return *((uint32_t *)data) == *((uint32_t *)magic);
}
-static inline int _memcmp(const void *s1, const void *s2, size_t n)
-{
- int i;
- const uint8_t *p1 = s1, *p2 = s2;
-
- for (i = 0; i < n; i++) {
- if (p1[i] != p2[i]) {
- return p1[i] > p2[i] ? 1 : -1;
- }
- }
-
- return 0;
-}
-
static inline uint32_t iso_733_to_u32(uint64_t x)
{
return (uint32_t)x;
@@ -432,7 +418,7 @@ const uint8_t vol_desc_magic[] = "CD001";
static inline bool is_iso_vd_valid(IsoVolDesc *vd)
{
- return !_memcmp(&vd->ident[0], vol_desc_magic, 5) &&
+ return !memcmp(&vd->ident[0], vol_desc_magic, 5) &&
vd->version == 0x1 &&
vd->type <= VOL_DESC_TYPE_PARTITION;
}
diff --git a/pc-bios/s390-ccw/libc.c b/pc-bios/s390-ccw/libc.c
new file mode 100644
index 0000000..e6f434b
--- /dev/null
+++ b/pc-bios/s390-ccw/libc.c
@@ -0,0 +1,91 @@
+/*
+ * libc-style definitions and functions
+ *
+ * Copyright 2018 IBM Corp.
+ * Author(s): Collin L. Walling <walling@linux.vnet.ibm.com>
+ *
+ * This code 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.
+ */
+
+#include "libc.h"
+#include "s390-ccw.h"
+
+/**
+ * atoui:
+ * @str: the string to be converted.
+ *
+ * Given a string @str, convert it to an integer. Leading spaces are
+ * ignored. Any other non-numerical value will terminate the conversion
+ * and return 0. This function only handles numbers between 0 and
+ * UINT64_MAX inclusive.
+ *
+ * Returns: an integer converted from the string @str, or the number 0
+ * if an error occurred.
+ */
+uint64_t atoui(const char *str)
+{
+ int val = 0;
+
+ if (!str || !str[0]) {
+ return 0;
+ }
+
+ while (*str == ' ') {
+ str++;
+ }
+
+ while (*str) {
+ if (!isdigit(*str)) {
+ break;
+ }
+ val = val * 10 + *str - '0';
+ str++;
+ }
+
+ return val;
+}
+
+/**
+ * itostr:
+ * @num: an integer (base 10) to be converted.
+ * @str: a pointer to a string to store the conversion.
+ * @len: the length of the passed string.
+ *
+ * Given an integer @num, convert it to a string. The string @str must be
+ * allocated beforehand. The resulting string will be null terminated and
+ * returned. This function only handles numbers between 0 and UINT64_MAX
+ * inclusive.
+ *
+ * Returns: the string @str of the converted integer @num; NULL if @str
+ * is NULL or if there is not enough space allocated.
+ */
+char *itostr(uint64_t num, char *str, size_t len)
+{
+ size_t num_idx = 0;
+ uint64_t tmp = num;
+
+ IPL_assert(num >= 0, "itostr: cannot convert negative values");
+ IPL_assert(str != NULL, "itostr: no space allocated to store string");
+
+ /* Get index to ones place */
+ while ((tmp /= 10) != 0) {
+ num_idx++;
+ }
+
+ /* Check if we have enough space for num and null */
+ IPL_assert(len >= num_idx + 1, "itostr: array too small for conversion");
+
+ str[num_idx + 1] = '\0';
+
+ /* Convert int to string */
+ while (num_idx >= 0) {
+ str[num_idx] = num % 10 + '0';
+ num /= 10;
+ num_idx--;
+ }
+
+ return str;
+}
diff --git a/pc-bios/s390-ccw/libc.h b/pc-bios/s390-ccw/libc.h
index 0142ea8..eb6cec6 100644
--- a/pc-bios/s390-ccw/libc.h
+++ b/pc-bios/s390-ccw/libc.h
@@ -1,6 +1,8 @@
/*
* libc-style definitions and functions
*
+ * Copyright (c) 2013 Alexander Graf <agraf@suse.de>
+ *
* This code 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
@@ -33,7 +35,7 @@ static inline void *memcpy(void *s1, const void *s2, size_t n)
{
uint8_t *dest = s1;
const uint8_t *src = s2;
- int i;
+ size_t i;
for (i = 0; i < n; i++) {
dest[i] = src[i];
@@ -42,4 +44,35 @@ static inline void *memcpy(void *s1, const void *s2, size_t n)
return s1;
}
+static inline int memcmp(const void *s1, const void *s2, size_t n)
+{
+ size_t i;
+ const uint8_t *p1 = s1, *p2 = s2;
+
+ for (i = 0; i < n; i++) {
+ if (p1[i] != p2[i]) {
+ return p1[i] > p2[i] ? 1 : -1;
+ }
+ }
+
+ return 0;
+}
+
+static inline size_t strlen(const char *str)
+{
+ size_t i;
+ for (i = 0; *str; i++) {
+ str++;
+ }
+ return i;
+}
+
+static inline int isdigit(int c)
+{
+ return (c >= '0') && (c <= '9');
+}
+
+uint64_t atoui(const char *str);
+char *itostr(uint64_t num, char *str, size_t len);
+
#endif
diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
index 401e9db..e857ce4 100644
--- a/pc-bios/s390-ccw/main.c
+++ b/pc-bios/s390-ccw/main.c
@@ -40,22 +40,7 @@ void panic(const char *string)
unsigned int get_loadparm_index(void)
{
- const char *lp = loadparm;
- int i;
- unsigned int idx = 0;
-
- for (i = 0; i < 8; i++) {
- char c = lp[i];
-
- if (c < '0' || c > '9') {
- break;
- }
-
- idx *= 10;
- idx += c - '0';
- }
-
- return idx;
+ return atoui(loadparm);
}
static bool find_dev(Schib *schib, int dev_no)
diff --git a/pc-bios/s390-ccw/sclp.c b/pc-bios/s390-ccw/sclp.c
index b1fc8ff..486fce1 100644
--- a/pc-bios/s390-ccw/sclp.c
+++ b/pc-bios/s390-ccw/sclp.c
@@ -65,14 +65,6 @@ void sclp_setup(void)
sclp_set_write_mask();
}
-static int _strlen(const char *str)
-{
- int i;
- for (i = 0; *str; i++)
- str++;
- return i;
-}
-
long write(int fd, const void *str, size_t len)
{
WriteEventData *sccb = (void *)_sccb;
@@ -95,7 +87,7 @@ long write(int fd, const void *str, size_t len)
void sclp_print(const char *str)
{
- write(1, str, _strlen(str));
+ write(1, str, strlen(str));
}
void sclp_get_loadparm_ascii(char *loadparm)
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 04/12] s390-ccw: update libc
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 04/12] s390-ccw: update libc Collin L. Walling
@ 2018-02-06 6:14 ` Thomas Huth
2018-02-06 17:07 ` Collin L. Walling
0 siblings, 1 reply; 38+ messages in thread
From: Thomas Huth @ 2018-02-06 6:14 UTC (permalink / raw)
To: Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, mihajlov, borntraeger, eblake
On 05.02.2018 21:57, Collin L. Walling wrote:
> Moved:
> memcmp from bootmap.h to libc.h (renamed from _memcmp)
> strlen from sclp.c to libc.h (renamed from _strlen)
>
> Added C standard functions:
> isdigit
>
> Added non C-standard function:
> itostr
> atoui
>
> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
> Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
> ---
[...]
> +/**
> + * itostr:
> + * @num: an integer (base 10) to be converted.
> + * @str: a pointer to a string to store the conversion.
> + * @len: the length of the passed string.
> + *
> + * Given an integer @num, convert it to a string. The string @str must be
> + * allocated beforehand. The resulting string will be null terminated and
> + * returned. This function only handles numbers between 0 and UINT64_MAX
> + * inclusive.
> + *
> + * Returns: the string @str of the converted integer @num; NULL if @str
> + * is NULL or if there is not enough space allocated.
> + */
> +char *itostr(uint64_t num, char *str, size_t len)
Nitpicking: You renamed atoi to atoui, so maybe this should now rather
be uitostr or uitoa now?
> +{
> + size_t num_idx = 0;
> + uint64_t tmp = num;
> +
> + IPL_assert(num >= 0, "itostr: cannot convert negative values");
(already mentioned by patchew)
> + IPL_assert(str != NULL, "itostr: no space allocated to store string");
> +
> + /* Get index to ones place */
> + while ((tmp /= 10) != 0) {
> + num_idx++;
> + }
> +
> + /* Check if we have enough space for num and null */
> + IPL_assert(len >= num_idx + 1, "itostr: array too small for conversion");
Should that rather be "len > num_idx + 1" instead?
> + str[num_idx + 1] = '\0';
> +
> + /* Convert int to string */
> + while (num_idx >= 0) {
> + str[num_idx] = num % 10 + '0';
> + num /= 10;
> + num_idx--;
> + }
> +
> + return str;
> +}
Thomas
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 04/12] s390-ccw: update libc
2018-02-06 6:14 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
@ 2018-02-06 17:07 ` Collin L. Walling
0 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-06 17:07 UTC (permalink / raw)
To: Thomas Huth, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, mihajlov, borntraeger
On 02/06/2018 01:14 AM, Thomas Huth wrote:
> On 05.02.2018 21:57, Collin L. Walling wrote:
>> Moved:
>> memcmp from bootmap.h to libc.h (renamed from _memcmp)
>> strlen from sclp.c to libc.h (renamed from _strlen)
>>
>> Added C standard functions:
>> isdigit
>>
>> Added non C-standard function:
>> itostr
>> atoui
>>
>> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
>> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
>> Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
>> ---
> [...]
>> +/**
>> + * itostr:
>> + * @num: an integer (base 10) to be converted.
>> + * @str: a pointer to a string to store the conversion.
>> + * @len: the length of the passed string.
>> + *
>> + * Given an integer @num, convert it to a string. The string @str must be
>> + * allocated beforehand. The resulting string will be null terminated and
>> + * returned. This function only handles numbers between 0 and UINT64_MAX
>> + * inclusive.
>> + *
>> + * Returns: the string @str of the converted integer @num; NULL if @str
>> + * is NULL or if there is not enough space allocated.
>> + */
>> +char *itostr(uint64_t num, char *str, size_t len)
> Nitpicking: You renamed atoi to atoui, so maybe this should now rather
> be uitostr or uitoa now?
Was thinking the same right after I hit submit.
>
>> +{
>> + size_t num_idx = 0;
>> + uint64_t tmp = num;
>> +
>> + IPL_assert(num >= 0, "itostr: cannot convert negative values");
> (already mentioned by patchew)
>
>> + IPL_assert(str != NULL, "itostr: no space allocated to store string");
>> +
>> + /* Get index to ones place */
>> + while ((tmp /= 10) != 0) {
>> + num_idx++;
>> + }
>> +
>> + /* Check if we have enough space for num and null */
>> + IPL_assert(len >= num_idx + 1, "itostr: array too small for conversion");
> Should that rather be "len > num_idx + 1" instead?
Yes -- thank you. That's what I get for trying to copy-paste old
conditionals
into an assert.
>
>> + str[num_idx + 1] = '\0';
>> +
>> + /* Convert int to string */
>> + while (num_idx >= 0) {
>> + str[num_idx] = num % 10 + '0';
>> + num /= 10;
>> + num_idx--;
>> + }
>> +
>> + return str;
>> +}
> Thomas
>
--
- Collin L Walling
^ permalink raw reply [flat|nested] 38+ messages in thread
* [Qemu-devel] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (3 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 04/12] s390-ccw: update libc Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-06 9:23 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-06 9:45 ` [Qemu-devel] " Christian Borntraeger
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 06/12] s390-ccw: parse and set boot menu options Collin L. Walling
` (7 subsequent siblings)
12 siblings, 2 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
The s390-ccw firmware needs some information in support of the
boot process which is not available on the native machine.
Examples are the netboot firmware load address and now the
boot menu parameters.
While storing that data in unused fields of the IPL parameter block
works, that approach could create problems if the parameter block
definition should change in the future. Because then a guest could
overwrite these fields using the set IPLB diagnose.
In fact the data in question is of more global nature and not really
tied to an IPL device, so separating it is rather logical.
This commit introduces a new structure to hold firmware relevant
IPL parameters set by QEMU. The data is stored at location 204 (dec)
and can contain up to 7 32-bit words. This area is available to
programming in the z/Architecture Principles of Operation and
can thus safely be used by the firmware until the IPL has completed.
Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
---
hw/s390x/ipl.c | 18 +++++++++++++++++-
hw/s390x/ipl.h | 11 +++++++++--
pc-bios/s390-ccw/iplb.h | 12 ++++++++++--
pc-bios/s390-ccw/main.c | 6 +++++-
4 files changed, 41 insertions(+), 6 deletions(-)
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index 0d06fc1..3e3c3b8 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -399,6 +399,20 @@ void s390_reipl_request(void)
qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
}
+static void s390_ipl_prepare_qipl(S390CPU *cpu)
+{
+ S390IPLState *ipl = get_ipl_device();
+ uint8_t *addr;
+ uint64_t len = 4096;
+
+ addr = cpu_physical_memory_map(cpu->env.psa, &len, 1);
+ if (!addr || len < 204 + sizeof(QemuIplParameters)) {
+ error_report("Cannot set QEMU IPL parameters");
+ }
+ memcpy(addr + 204, &ipl->iplb.qipl, sizeof(QemuIplParameters));
+ cpu_physical_memory_unmap(addr, len, 1, len);
+}
+
void s390_ipl_prepare_cpu(S390CPU *cpu)
{
S390IPLState *ipl = get_ipl_device();
@@ -418,8 +432,10 @@ void s390_ipl_prepare_cpu(S390CPU *cpu)
error_report_err(err);
vm_stop(RUN_STATE_INTERNAL_ERROR);
}
- ipl->iplb.ccw.netboot_start_addr = cpu_to_be64(ipl->start_addr);
+ ipl->iplb.qipl.netboot_start_addr = cpu_to_be64(ipl->start_addr);
}
+ s390_ipl_prepare_qipl(cpu);
+
}
static void s390_ipl_reset(DeviceState *dev)
diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
index 8a705e0..68dcaf8 100644
--- a/hw/s390x/ipl.h
+++ b/hw/s390x/ipl.h
@@ -16,8 +16,7 @@
#include "cpu.h"
struct IplBlockCcw {
- uint64_t netboot_start_addr;
- uint8_t reserved0[77];
+ uint8_t reserved0[85];
uint8_t ssid;
uint16_t devno;
uint8_t vm_flags;
@@ -59,6 +58,13 @@ typedef struct IplBlockQemuScsi IplBlockQemuScsi;
#define DIAG308_FLAGS_LP_VALID 0x80
+struct QemuIplParameters {
+ uint8_t reserved1[4];
+ uint64_t netboot_start_addr;
+ uint8_t reserved2[16];
+} QEMU_PACKED;
+typedef struct QemuIplParameters QemuIplParameters;
+
union IplParameterBlock {
struct {
uint32_t len;
@@ -74,6 +80,7 @@ union IplParameterBlock {
IplBlockFcp fcp;
IplBlockQemuScsi scsi;
};
+ QemuIplParameters qipl;
} QEMU_PACKED;
struct {
uint8_t reserved1[110];
diff --git a/pc-bios/s390-ccw/iplb.h b/pc-bios/s390-ccw/iplb.h
index 890aed9..12f6e40 100644
--- a/pc-bios/s390-ccw/iplb.h
+++ b/pc-bios/s390-ccw/iplb.h
@@ -13,8 +13,7 @@
#define IPLB_H
struct IplBlockCcw {
- uint64_t netboot_start_addr;
- uint8_t reserved0[77];
+ uint8_t reserved0[85];
uint8_t ssid;
uint16_t devno;
uint8_t vm_flags;
@@ -73,6 +72,15 @@ typedef struct IplParameterBlock IplParameterBlock;
extern IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
+struct QemuIplParameters {
+ uint8_t reserved1[4];
+ uint64_t netboot_start_addr;
+ uint8_t reserved2[16];
+} __attribute__ ((packed));
+typedef struct QemuIplParameters QemuIplParameters;
+
+extern QemuIplParameters qipl;
+
#define S390_IPL_TYPE_FCP 0x00
#define S390_IPL_TYPE_CCW 0x02
#define S390_IPL_TYPE_QEMU_SCSI 0xff
diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
index e857ce4..825a1a3 100644
--- a/pc-bios/s390-ccw/main.c
+++ b/pc-bios/s390-ccw/main.c
@@ -16,6 +16,7 @@ char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
static SubChannelId blk_schid = { .one = 1 };
IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
static char loadparm[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
+QemuIplParameters qipl;
/*
* Priniciples of Operations (SA22-7832-09) chapter 17 requires that
@@ -81,6 +82,7 @@ static void virtio_setup(void)
uint16_t dev_no;
char ldp[] = "LOADPARM=[________]\n";
VDev *vdev = virtio_get_device();
+ QemuIplParameters *early_qipl = (QemuIplParameters *)204;
/*
* We unconditionally enable mss support. In every sane configuration,
@@ -93,6 +95,8 @@ static void virtio_setup(void)
memcpy(ldp + 10, loadparm, 8);
sclp_print(ldp);
+ memcpy(&qipl, early_qipl, sizeof(QemuIplParameters));
+
if (store_iplb(&iplb)) {
switch (iplb.pbt) {
case S390_IPL_TYPE_CCW:
@@ -127,7 +131,7 @@ static void virtio_setup(void)
if (virtio_get_device_type() == VIRTIO_ID_NET) {
sclp_print("Network boot device detected\n");
- vdev->netboot_start_addr = iplb.ccw.netboot_start_addr;
+ vdev->netboot_start_addr = qipl.netboot_start_addr;
} else {
virtio_blk_setup_device(blk_schid);
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location Collin L. Walling
@ 2018-02-06 9:23 ` Thomas Huth
2018-02-06 10:13 ` Viktor Mihajlovski
2018-02-06 9:45 ` [Qemu-devel] " Christian Borntraeger
1 sibling, 1 reply; 38+ messages in thread
From: Thomas Huth @ 2018-02-06 9:23 UTC (permalink / raw)
To: Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, mihajlov, borntraeger, eblake
On 05.02.2018 21:57, Collin L. Walling wrote:
> The s390-ccw firmware needs some information in support of the
> boot process which is not available on the native machine.
> Examples are the netboot firmware load address and now the
> boot menu parameters.
>
> While storing that data in unused fields of the IPL parameter block
> works, that approach could create problems if the parameter block
> definition should change in the future. Because then a guest could
> overwrite these fields using the set IPLB diagnose.
>
> In fact the data in question is of more global nature and not really
> tied to an IPL device, so separating it is rather logical.
>
> This commit introduces a new structure to hold firmware relevant
> IPL parameters set by QEMU. The data is stored at location 204 (dec)
> and can contain up to 7 32-bit words. This area is available to
> programming in the z/Architecture Principles of Operation and
> can thus safely be used by the firmware until the IPL has completed.
Sounds like a good idea.
> Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
> ---
> hw/s390x/ipl.c | 18 +++++++++++++++++-
> hw/s390x/ipl.h | 11 +++++++++--
> pc-bios/s390-ccw/iplb.h | 12 ++++++++++--
> pc-bios/s390-ccw/main.c | 6 +++++-
> 4 files changed, 41 insertions(+), 6 deletions(-)
>
> diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
> index 0d06fc1..3e3c3b8 100644
> --- a/hw/s390x/ipl.c
> +++ b/hw/s390x/ipl.c
> @@ -399,6 +399,20 @@ void s390_reipl_request(void)
> qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
> }
>
> +static void s390_ipl_prepare_qipl(S390CPU *cpu)
> +{
> + S390IPLState *ipl = get_ipl_device();
> + uint8_t *addr;
> + uint64_t len = 4096;
> +
> + addr = cpu_physical_memory_map(cpu->env.psa, &len, 1);
> + if (!addr || len < 204 + sizeof(QemuIplParameters)) {
> + error_report("Cannot set QEMU IPL parameters");
I think you should return or exit() here. Otherwise the memcpy below
accesses an illegal memory range.
> + }
> + memcpy(addr + 204, &ipl->iplb.qipl, sizeof(QemuIplParameters));
> + cpu_physical_memory_unmap(addr, len, 1, len);
> +}
> +
> void s390_ipl_prepare_cpu(S390CPU *cpu)
> {
> S390IPLState *ipl = get_ipl_device();
> @@ -418,8 +432,10 @@ void s390_ipl_prepare_cpu(S390CPU *cpu)
> error_report_err(err);
> vm_stop(RUN_STATE_INTERNAL_ERROR);
> }
> - ipl->iplb.ccw.netboot_start_addr = cpu_to_be64(ipl->start_addr);
> + ipl->iplb.qipl.netboot_start_addr = cpu_to_be64(ipl->start_addr);
> }
> + s390_ipl_prepare_qipl(cpu);
> +
> }
>
> static void s390_ipl_reset(DeviceState *dev)
> diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
> index 8a705e0..68dcaf8 100644
> --- a/hw/s390x/ipl.h
> +++ b/hw/s390x/ipl.h
> @@ -16,8 +16,7 @@
> #include "cpu.h"
>
> struct IplBlockCcw {
> - uint64_t netboot_start_addr;
> - uint8_t reserved0[77];
> + uint8_t reserved0[85];
> uint8_t ssid;
> uint16_t devno;
> uint8_t vm_flags;
> @@ -59,6 +58,13 @@ typedef struct IplBlockQemuScsi IplBlockQemuScsi;
>
> #define DIAG308_FLAGS_LP_VALID 0x80
>
> +struct QemuIplParameters {
> + uint8_t reserved1[4];
> + uint64_t netboot_start_addr;
> + uint8_t reserved2[16];
> +} QEMU_PACKED;
> +typedef struct QemuIplParameters QemuIplParameters;
> +
> union IplParameterBlock {
> struct {
> uint32_t len;
> @@ -74,6 +80,7 @@ union IplParameterBlock {
> IplBlockFcp fcp;
> IplBlockQemuScsi scsi;
> };
> + QemuIplParameters qipl;
> } QEMU_PACKED;
Sorry if I get that wrong, but if you store that within
IplParameterBlock, the information is still passed via DIAG 0x308, isn't
it? (see handle_diag_308(), case 6). Is that really what was intended here?
[...]
> diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
> index e857ce4..825a1a3 100644
> --- a/pc-bios/s390-ccw/main.c
> +++ b/pc-bios/s390-ccw/main.c
> @@ -16,6 +16,7 @@ char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
> static SubChannelId blk_schid = { .one = 1 };
> IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
> static char loadparm[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
> +QemuIplParameters qipl;
>
> /*
> * Priniciples of Operations (SA22-7832-09) chapter 17 requires that
> @@ -81,6 +82,7 @@ static void virtio_setup(void)
> uint16_t dev_no;
> char ldp[] = "LOADPARM=[________]\n";
> VDev *vdev = virtio_get_device();
> + QemuIplParameters *early_qipl = (QemuIplParameters *)204;
Could you please introduce a proper #define for that magic 204 value
(and use it in s390_ipl_prepare_qipl, too)? ... so that it is later
easier to grep for this.
> /*
> * We unconditionally enable mss support. In every sane configuration,
> @@ -93,6 +95,8 @@ static void virtio_setup(void)
> memcpy(ldp + 10, loadparm, 8);
> sclp_print(ldp);
>
> + memcpy(&qipl, early_qipl, sizeof(QemuIplParameters));
> +
> if (store_iplb(&iplb)) {
> switch (iplb.pbt) {
> case S390_IPL_TYPE_CCW:
> @@ -127,7 +131,7 @@ static void virtio_setup(void)
>
> if (virtio_get_device_type() == VIRTIO_ID_NET) {
> sclp_print("Network boot device detected\n");
> - vdev->netboot_start_addr = iplb.ccw.netboot_start_addr;
> + vdev->netboot_start_addr = qipl.netboot_start_addr;
> } else {
> virtio_blk_setup_device(blk_schid);
>
>
Thomas
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location
2018-02-06 9:23 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
@ 2018-02-06 10:13 ` Viktor Mihajlovski
2018-02-06 17:10 ` Collin L. Walling
2018-02-14 14:51 ` Collin L. Walling
0 siblings, 2 replies; 38+ messages in thread
From: Viktor Mihajlovski @ 2018-02-06 10:13 UTC (permalink / raw)
To: Thomas Huth, Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, borntraeger, eblake
On 06.02.2018 10:23, Thomas Huth wrote:
> On 05.02.2018 21:57, Collin L. Walling wrote:
>> The s390-ccw firmware needs some information in support of the
>> boot process which is not available on the native machine.
>> Examples are the netboot firmware load address and now the
>> boot menu parameters.
>>
>> While storing that data in unused fields of the IPL parameter block
>> works, that approach could create problems if the parameter block
>> definition should change in the future. Because then a guest could
>> overwrite these fields using the set IPLB diagnose.
>>
>> In fact the data in question is of more global nature and not really
>> tied to an IPL device, so separating it is rather logical.
>>
>> This commit introduces a new structure to hold firmware relevant
>> IPL parameters set by QEMU. The data is stored at location 204 (dec)
>> and can contain up to 7 32-bit words. This area is available to
>> programming in the z/Architecture Principles of Operation and
>> can thus safely be used by the firmware until the IPL has completed.
>
> Sounds like a good idea.
>
>> Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
>> ---
>> hw/s390x/ipl.c | 18 +++++++++++++++++-
>> hw/s390x/ipl.h | 11 +++++++++--
>> pc-bios/s390-ccw/iplb.h | 12 ++++++++++--
>> pc-bios/s390-ccw/main.c | 6 +++++-
>> 4 files changed, 41 insertions(+), 6 deletions(-)
>>
>> diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
>> index 0d06fc1..3e3c3b8 100644
>> --- a/hw/s390x/ipl.c
>> +++ b/hw/s390x/ipl.c
>> @@ -399,6 +399,20 @@ void s390_reipl_request(void)
>> qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
>> }
>>
>> +static void s390_ipl_prepare_qipl(S390CPU *cpu)
>> +{
>> + S390IPLState *ipl = get_ipl_device();
>> + uint8_t *addr;
>> + uint64_t len = 4096;
>> +
>> + addr = cpu_physical_memory_map(cpu->env.psa, &len, 1);
>> + if (!addr || len < 204 + sizeof(QemuIplParameters)) {
>> + error_report("Cannot set QEMU IPL parameters");
>
> I think you should return or exit() here. Otherwise the memcpy below
> accesses an illegal memory range.Right, I have noticed and fixed that on my private branch, but forgot to
update the patch. Collin, could you squash in a
return;
>
>> + }
>> + memcpy(addr + 204, &ipl->iplb.qipl, sizeof(QemuIplParameters));
>> + cpu_physical_memory_unmap(addr, len, 1, len);
>> +}
>> +
[...]
>> diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
>> index 8a705e0..68dcaf8 100644
>> --- a/hw/s390x/ipl.h
>> +++ b/hw/s390x/ipl.h
>> @@ -16,8 +16,7 @@
>> #include "cpu.h"
>>
>> struct IplBlockCcw {
>> - uint64_t netboot_start_addr;
>> - uint8_t reserved0[77];
>> + uint8_t reserved0[85];
>> uint8_t ssid;
>> uint16_t devno;
>> uint8_t vm_flags;
>> @@ -59,6 +58,13 @@ typedef struct IplBlockQemuScsi IplBlockQemuScsi;
>>
>> #define DIAG308_FLAGS_LP_VALID 0x80
>>
>> +struct QemuIplParameters {
>> + uint8_t reserved1[4];
>> + uint64_t netboot_start_addr;
>> + uint8_t reserved2[16];
>> +} QEMU_PACKED;
>> +typedef struct QemuIplParameters QemuIplParameters;
>> +
>> union IplParameterBlock {
>> struct {
>> uint32_t len;
>> @@ -74,6 +80,7 @@ union IplParameterBlock {
>> IplBlockFcp fcp;
>> IplBlockQemuScsi scsi;
>> };
>> + QemuIplParameters qipl;
>> } QEMU_PACKED;
>
> Sorry if I get that wrong, but if you store that within
> IplParameterBlock, the information is still passed via DIAG 0x308, isn't
> it? (see handle_diag_308(), case 6). Is that really what was intended here?
>
Got me :).
The intention is to remove non-standard data from the IPL parameter
block. But I needed a place to store it in the s390-ipl context. The
IPLB conveniently has plenty of space following the standard data.
The alternative would be to have the QEMU IPL parameters explicitly
called out in the object. But they're only duplication information
available elsewhere (boot menu) or are computed anyway (netboot).
This may change in the future...
> [...]
>> diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
>> index e857ce4..825a1a3 100644
>> --- a/pc-bios/s390-ccw/main.c
>> +++ b/pc-bios/s390-ccw/main.c
>> @@ -16,6 +16,7 @@ char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
>> static SubChannelId blk_schid = { .one = 1 };
>> IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
>> static char loadparm[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
>> +QemuIplParameters qipl;
>>
>> /*
>> * Priniciples of Operations (SA22-7832-09) chapter 17 requires that
>> @@ -81,6 +82,7 @@ static void virtio_setup(void)
>> uint16_t dev_no;
>> char ldp[] = "LOADPARM=[________]\n";
>> VDev *vdev = virtio_get_device();
>> + QemuIplParameters *early_qipl = (QemuIplParameters *)204;
>
> Could you please introduce a proper #define for that magic 204 value
> (and use it in s390_ipl_prepare_qipl, too)? ... so that it is later
> easier to grep for this.
>
Hm ... I was following the pattern established in
write_subsystem_identification(). Christian, what is your opinion?
>> /*
>> * We unconditionally enable mss support. In every sane configuration,
>> @@ -93,6 +95,8 @@ static void virtio_setup(void)
>> memcpy(ldp + 10, loadparm, 8);
>> sclp_print(ldp);
>>
>> + memcpy(&qipl, early_qipl, sizeof(QemuIplParameters));
>> +
>> if (store_iplb(&iplb)) {
>> switch (iplb.pbt) {
>> case S390_IPL_TYPE_CCW:
>> @@ -127,7 +131,7 @@ static void virtio_setup(void)
>>
>> if (virtio_get_device_type() == VIRTIO_ID_NET) {
>> sclp_print("Network boot device detected\n");
>> - vdev->netboot_start_addr = iplb.ccw.netboot_start_addr;
>> + vdev->netboot_start_addr = qipl.netboot_start_addr;
>> } else {
>> virtio_blk_setup_device(blk_schid);
>>
>>
>
> Thomas
>
--
Regards,
Viktor Mihajlovski
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location
2018-02-06 10:13 ` Viktor Mihajlovski
@ 2018-02-06 17:10 ` Collin L. Walling
2018-02-14 14:51 ` Collin L. Walling
1 sibling, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-06 17:10 UTC (permalink / raw)
To: Viktor Mihajlovski, Thomas Huth, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, borntraeger, eblake
On 02/06/2018 05:13 AM, Viktor Mihajlovski wrote:
> On 06.02.2018 10:23, Thomas Huth wrote:
>> On 05.02.2018 21:57, Collin L. Walling wrote:
>> [...]
>>> diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
>>> index 0d06fc1..3e3c3b8 100644
>>> --- a/hw/s390x/ipl.c
>>> +++ b/hw/s390x/ipl.c
>>> @@ -399,6 +399,20 @@ void s390_reipl_request(void)
>>> qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
>>> }
>>>
>>> +static void s390_ipl_prepare_qipl(S390CPU *cpu)
>>> +{
>>> + S390IPLState *ipl = get_ipl_device();
>>> + uint8_t *addr;
>>> + uint64_t len = 4096;
>>> +
>>> + addr = cpu_physical_memory_map(cpu->env.psa, &len, 1);
>>> + if (!addr || len < 204 + sizeof(QemuIplParameters)) {
>>> + error_report("Cannot set QEMU IPL parameters");
>> I think you should return or exit() here. Otherwise the memcpy below
>> accesses an illegal memory range.Right, I have noticed and fixed that on my private branch, but forgot to
> update the patch. Collin, could you squash in a
> return;
Can do.
[...]
--
- Collin L Walling
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location
2018-02-06 10:13 ` Viktor Mihajlovski
2018-02-06 17:10 ` Collin L. Walling
@ 2018-02-14 14:51 ` Collin L. Walling
2018-02-14 15:07 ` Christian Borntraeger
1 sibling, 1 reply; 38+ messages in thread
From: Collin L. Walling @ 2018-02-14 14:51 UTC (permalink / raw)
To: Viktor Mihajlovski, Thomas Huth, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, borntraeger, eblake
On 02/06/2018 05:13 AM, Viktor Mihajlovski wrote:
> On 06.02.2018 10:23, Thomas Huth wrote:
>> On 05.02.2018 21:57, Collin L. Walling wrote:
>> [...]
>>> diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
>>> index e857ce4..825a1a3 100644
>>> --- a/pc-bios/s390-ccw/main.c
>>> +++ b/pc-bios/s390-ccw/main.c
>>> @@ -16,6 +16,7 @@ char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
>>> static SubChannelId blk_schid = { .one = 1 };
>>> IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
>>> static char loadparm[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
>>> +QemuIplParameters qipl;
>>>
>>> /*
>>> * Priniciples of Operations (SA22-7832-09) chapter 17 requires that
>>> @@ -81,6 +82,7 @@ static void virtio_setup(void)
>>> uint16_t dev_no;
>>> char ldp[] = "LOADPARM=[________]\n";
>>> VDev *vdev = virtio_get_device();
>>> + QemuIplParameters *early_qipl = (QemuIplParameters *)204;
>> Could you please introduce a proper #define for that magic 204 value
>> (and use it in s390_ipl_prepare_qipl, too)? ... so that it is later
>> easier to grep for this.
>>
> Hm ... I was following the pattern established in
> write_subsystem_identification(). Christian, what is your opinion?
Any updates on this? Last change I need to make before the next post.
--
- Collin L Walling
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location
2018-02-14 14:51 ` Collin L. Walling
@ 2018-02-14 15:07 ` Christian Borntraeger
0 siblings, 0 replies; 38+ messages in thread
From: Christian Borntraeger @ 2018-02-14 15:07 UTC (permalink / raw)
To: Collin L. Walling, Viktor Mihajlovski, Thomas Huth, qemu-s390x,
qemu-devel
Cc: frankja, cohuck, david, alifm, eblake
On 02/14/2018 03:51 PM, Collin L. Walling wrote:
> On 02/06/2018 05:13 AM, Viktor Mihajlovski wrote:
>> On 06.02.2018 10:23, Thomas Huth wrote:
>>> On 05.02.2018 21:57, Collin L. Walling wrote:
>>> [...]
>>>> diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
>>>> index e857ce4..825a1a3 100644
>>>> --- a/pc-bios/s390-ccw/main.c
>>>> +++ b/pc-bios/s390-ccw/main.c
>>>> @@ -16,6 +16,7 @@ char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
>>>> static SubChannelId blk_schid = { .one = 1 };
>>>> IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
>>>> static char loadparm[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
>>>> +QemuIplParameters qipl;
>>>> /*
>>>> * Priniciples of Operations (SA22-7832-09) chapter 17 requires that
>>>> @@ -81,6 +82,7 @@ static void virtio_setup(void)
>>>> uint16_t dev_no;
>>>> char ldp[] = "LOADPARM=[________]\n";
>>>> VDev *vdev = virtio_get_device();
>>>> + QemuIplParameters *early_qipl = (QemuIplParameters *)204;
>>> Could you please introduce a proper #define for that magic 204 value
>>> (and use it in s390_ipl_prepare_qipl, too)? ... so that it is later
>>> easier to grep for this.
>>>
>> Hm ... I was following the pattern established in
>> write_subsystem_identification(). Christian, what is your opinion?
>
> Any updates on this? Last change I need to make before the next post.
Let's use a magic number. It is the preferred way in QEMU.
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [Qemu-devel] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location Collin L. Walling
2018-02-06 9:23 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
@ 2018-02-06 9:45 ` Christian Borntraeger
2018-02-06 9:57 ` Viktor Mihajlovski
1 sibling, 1 reply; 38+ messages in thread
From: Christian Borntraeger @ 2018-02-06 9:45 UTC (permalink / raw)
To: Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, thuth, david, alifm, eblake, mihajlov
On 02/05/2018 09:57 PM, Collin L. Walling wrote:
> The s390-ccw firmware needs some information in support of the
> boot process which is not available on the native machine.
> Examples are the netboot firmware load address and now the
> boot menu parameters.
>
> While storing that data in unused fields of the IPL parameter block
> works, that approach could create problems if the parameter block
> definition should change in the future. Because then a guest could
> overwrite these fields using the set IPLB diagnose.
>
> In fact the data in question is of more global nature and not really
> tied to an IPL device, so separating it is rather logical.
>
> This commit introduces a new structure to hold firmware relevant
> IPL parameters set by QEMU. The data is stored at location 204 (dec)
> and can contain up to 7 32-bit words. This area is available to
> programming in the z/Architecture Principles of Operation and
> can thus safely be used by the firmware until the IPL has completed.
This content is set by QEMU/the ccw bios on every IPL, so we do not
have to change anything for migration. Correct?
>
> Signed-off-by: Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>
> ---
> hw/s390x/ipl.c | 18 +++++++++++++++++-
> hw/s390x/ipl.h | 11 +++++++++--
> pc-bios/s390-ccw/iplb.h | 12 ++++++++++--
> pc-bios/s390-ccw/main.c | 6 +++++-
> 4 files changed, 41 insertions(+), 6 deletions(-)
>
> diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
> index 0d06fc1..3e3c3b8 100644
> --- a/hw/s390x/ipl.c
> +++ b/hw/s390x/ipl.c
> @@ -399,6 +399,20 @@ void s390_reipl_request(void)
> qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
> }
>
> +static void s390_ipl_prepare_qipl(S390CPU *cpu)
> +{
> + S390IPLState *ipl = get_ipl_device();
> + uint8_t *addr;
> + uint64_t len = 4096;
> +
> + addr = cpu_physical_memory_map(cpu->env.psa, &len, 1);
> + if (!addr || len < 204 + sizeof(QemuIplParameters)) {
> + error_report("Cannot set QEMU IPL parameters");
> + }
> + memcpy(addr + 204, &ipl->iplb.qipl, sizeof(QemuIplParameters));
> + cpu_physical_memory_unmap(addr, len, 1, len);
> +}
> +
> void s390_ipl_prepare_cpu(S390CPU *cpu)
> {
> S390IPLState *ipl = get_ipl_device();
> @@ -418,8 +432,10 @@ void s390_ipl_prepare_cpu(S390CPU *cpu)
> error_report_err(err);
> vm_stop(RUN_STATE_INTERNAL_ERROR);
> }
> - ipl->iplb.ccw.netboot_start_addr = cpu_to_be64(ipl->start_addr);
> + ipl->iplb.qipl.netboot_start_addr = cpu_to_be64(ipl->start_addr);
> }
> + s390_ipl_prepare_qipl(cpu);
> +
> }
>
> static void s390_ipl_reset(DeviceState *dev)
> diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
> index 8a705e0..68dcaf8 100644
> --- a/hw/s390x/ipl.h
> +++ b/hw/s390x/ipl.h
> @@ -16,8 +16,7 @@
> #include "cpu.h"
>
> struct IplBlockCcw {
> - uint64_t netboot_start_addr;
> - uint8_t reserved0[77];
> + uint8_t reserved0[85];
> uint8_t ssid;
> uint16_t devno;
> uint8_t vm_flags;
> @@ -59,6 +58,13 @@ typedef struct IplBlockQemuScsi IplBlockQemuScsi;
>
> #define DIAG308_FLAGS_LP_VALID 0x80
>
> +struct QemuIplParameters {
> + uint8_t reserved1[4];
> + uint64_t netboot_start_addr;
> + uint8_t reserved2[16];
> +} QEMU_PACKED;
> +typedef struct QemuIplParameters QemuIplParameters;
> +
> union IplParameterBlock {
> struct {
> uint32_t len;
> @@ -74,6 +80,7 @@ union IplParameterBlock {
> IplBlockFcp fcp;
> IplBlockQemuScsi scsi;
> };
> + QemuIplParameters qipl;
> } QEMU_PACKED;
> struct {
> uint8_t reserved1[110];
> diff --git a/pc-bios/s390-ccw/iplb.h b/pc-bios/s390-ccw/iplb.h
> index 890aed9..12f6e40 100644
> --- a/pc-bios/s390-ccw/iplb.h
> +++ b/pc-bios/s390-ccw/iplb.h
> @@ -13,8 +13,7 @@
> #define IPLB_H
>
> struct IplBlockCcw {
> - uint64_t netboot_start_addr;
> - uint8_t reserved0[77];
> + uint8_t reserved0[85];
> uint8_t ssid;
> uint16_t devno;
> uint8_t vm_flags;
> @@ -73,6 +72,15 @@ typedef struct IplParameterBlock IplParameterBlock;
>
> extern IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
>
> +struct QemuIplParameters {
> + uint8_t reserved1[4];
> + uint64_t netboot_start_addr;
> + uint8_t reserved2[16];
> +} __attribute__ ((packed));
> +typedef struct QemuIplParameters QemuIplParameters;
> +
> +extern QemuIplParameters qipl;
> +
> #define S390_IPL_TYPE_FCP 0x00
> #define S390_IPL_TYPE_CCW 0x02
> #define S390_IPL_TYPE_QEMU_SCSI 0xff
> diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
> index e857ce4..825a1a3 100644
> --- a/pc-bios/s390-ccw/main.c
> +++ b/pc-bios/s390-ccw/main.c
> @@ -16,6 +16,7 @@ char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
> static SubChannelId blk_schid = { .one = 1 };
> IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
> static char loadparm[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
> +QemuIplParameters qipl;
>
> /*
> * Priniciples of Operations (SA22-7832-09) chapter 17 requires that
> @@ -81,6 +82,7 @@ static void virtio_setup(void)
> uint16_t dev_no;
> char ldp[] = "LOADPARM=[________]\n";
> VDev *vdev = virtio_get_device();
> + QemuIplParameters *early_qipl = (QemuIplParameters *)204;
>
> /*
> * We unconditionally enable mss support. In every sane configuration,
> @@ -93,6 +95,8 @@ static void virtio_setup(void)
> memcpy(ldp + 10, loadparm, 8);
> sclp_print(ldp);
>
> + memcpy(&qipl, early_qipl, sizeof(QemuIplParameters));
> +
> if (store_iplb(&iplb)) {
> switch (iplb.pbt) {
> case S390_IPL_TYPE_CCW:
> @@ -127,7 +131,7 @@ static void virtio_setup(void)
>
> if (virtio_get_device_type() == VIRTIO_ID_NET) {
> sclp_print("Network boot device detected\n");
> - vdev->netboot_start_addr = iplb.ccw.netboot_start_addr;
> + vdev->netboot_start_addr = qipl.netboot_start_addr;
> } else {
> virtio_blk_setup_device(blk_schid);
>
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location
2018-02-06 9:45 ` [Qemu-devel] " Christian Borntraeger
@ 2018-02-06 9:57 ` Viktor Mihajlovski
0 siblings, 0 replies; 38+ messages in thread
From: Viktor Mihajlovski @ 2018-02-06 9:57 UTC (permalink / raw)
To: Christian Borntraeger, Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, thuth, david, alifm, eblake
On 06.02.2018 10:45, Christian Borntraeger wrote:
> On 02/05/2018 09:57 PM, Collin L. Walling wrote:
>> The s390-ccw firmware needs some information in support of the
>> boot process which is not available on the native machine.
>> Examples are the netboot firmware load address and now the
>> boot menu parameters.
>>
>> While storing that data in unused fields of the IPL parameter block
>> works, that approach could create problems if the parameter block
>> definition should change in the future. Because then a guest could
>> overwrite these fields using the set IPLB diagnose.
>>
>> In fact the data in question is of more global nature and not really
>> tied to an IPL device, so separating it is rather logical.
>>
>> This commit introduces a new structure to hold firmware relevant
>> IPL parameters set by QEMU. The data is stored at location 204 (dec)
>> and can contain up to 7 32-bit words. This area is available to
>> programming in the z/Architecture Principles of Operation and
>> can thus safely be used by the firmware until the IPL has completed.
>
> This content is set by QEMU/the ccw bios on every IPL, so we do not
> have to change anything for migration. Correct?
>
Hm ... this is true for the netboot start address, but I am not sure
about the boot menu parameters added in a follow on patch. I'll comment
there...
[...]
--
Regards,
Viktor Mihajlovski
^ permalink raw reply [flat|nested] 38+ messages in thread
* [Qemu-devel] [PATCH v5 06/12] s390-ccw: parse and set boot menu options
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (4 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 05/12] s390-ccw: move auxiliary IPL data to separate location Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-06 10:00 ` Viktor Mihajlovski
2018-02-14 17:46 ` [Qemu-devel] [qemu-s390x] " Collin L. Walling
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 07/12] s390-ccw: set up interactive boot menu parameters Collin L. Walling
` (6 subsequent siblings)
12 siblings, 2 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
Set boot menu options for an s390 guest and store them in
the iplb. These options are set via the QEMU command line
option:
-boot menu=on|off[,splash-time=X]
or via the libvirt domain xml:
<os>
<bootmenu enable='yes|no' timeout='X'/>
</os>
Where X represents some positive integer representing
milliseconds.
Any value set for loadparm will override all boot menu options.
If loadparm=PROMPT, then the menu will be enabled without a
timeout.
The absence of any boot options on the command line will flag
to later use the zipl boot loader values.
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
hw/s390x/ipl.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++++
hw/s390x/ipl.h | 7 ++++++-
pc-bios/s390-ccw/iplb.h | 4 +++-
3 files changed, 61 insertions(+), 2 deletions(-)
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index 3e3c3b8..227dccb 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -23,6 +23,8 @@
#include "hw/s390x/ebcdic.h"
#include "ipl.h"
#include "qemu/error-report.h"
+#include "qemu/config-file.h"
+#include "qemu/cutils.h"
#define KERN_IMAGE_START 0x010000UL
#define KERN_PARM_AREA 0x010480UL
@@ -219,6 +221,53 @@ static Property s390_ipl_properties[] = {
DEFINE_PROP_END_OF_LIST(),
};
+static void s390_ipl_set_boot_menu(IplParameterBlock *iplb)
+{
+ QemuOptsList *plist = qemu_find_opts("boot-opts");
+ QemuOpts *opts = QTAILQ_FIRST(&plist->head);
+ uint8_t *flags;
+ uint16_t *timeout;
+ const char *tmp;
+ unsigned long result = 0;
+
+ switch (iplb->pbt) {
+ case S390_IPL_TYPE_CCW:
+ case S390_IPL_TYPE_QEMU_SCSI:
+ flags = &iplb->qipl.boot_menu_flags;
+ timeout = &iplb->qipl.boot_menu_timeout;
+ break;
+ default:
+ error_report("boot menu is not supported for this device type.");
+ return;
+ }
+
+ /* In the absence of -boot menu, use zipl parameters */
+ if (!qemu_opt_get(opts, "menu")) {
+ *flags = BOOT_MENU_FLAG_ZIPL_OPTS;
+ } else if (boot_menu) {
+ *flags = BOOT_MENU_FLAG_CMD_OPTS;
+
+ tmp = qemu_opt_get(opts, "splash-time");
+
+ if (tmp && qemu_strtoul(tmp, NULL, 10, &result)) {
+ error_report("splash-time value is invalid, forcing it to 0.");
+ *timeout = 0;
+ return;
+ }
+
+ result = (result + 500) / 1000; /* Round and convert to seconds */
+
+ if (result > 0xffff) {
+ error_report("splash-time value is greater than 65535000,"
+ " forcing it to 65535000.");
+ *timeout = 0xffff;
+ return;
+ }
+
+ *timeout = cpu_to_be16(result);
+ }
+}
+
static bool s390_gen_initial_iplb(S390IPLState *ipl)
{
DeviceState *dev_st;
@@ -273,6 +322,9 @@ static bool s390_gen_initial_iplb(S390IPLState *ipl)
if (!s390_ipl_set_loadparm(ipl->iplb.loadparm)) {
ipl->iplb.flags |= DIAG308_FLAGS_LP_VALID;
}
+
+ s390_ipl_set_boot_menu(&ipl->iplb);
+
return true;
}
diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
index 68dcaf8..90c0ed3 100644
--- a/hw/s390x/ipl.h
+++ b/hw/s390x/ipl.h
@@ -58,8 +58,13 @@ typedef struct IplBlockQemuScsi IplBlockQemuScsi;
#define DIAG308_FLAGS_LP_VALID 0x80
+#define BOOT_MENU_FLAG_CMD_OPTS 0x80
+#define BOOT_MENU_FLAG_ZIPL_OPTS 0x40
+
struct QemuIplParameters {
- uint8_t reserved1[4];
+ uint8_t boot_menu_flags;
+ uint8_t reserved1;
+ uint16_t boot_menu_timeout;
uint64_t netboot_start_addr;
uint8_t reserved2[16];
} QEMU_PACKED;
diff --git a/pc-bios/s390-ccw/iplb.h b/pc-bios/s390-ccw/iplb.h
index 12f6e40..0bbc1ac 100644
--- a/pc-bios/s390-ccw/iplb.h
+++ b/pc-bios/s390-ccw/iplb.h
@@ -73,7 +73,9 @@ typedef struct IplParameterBlock IplParameterBlock;
extern IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
struct QemuIplParameters {
- uint8_t reserved1[4];
+ uint8_t boot_menu_flags;
+ uint8_t reserved1;
+ uint16_t boot_menu_timeout;
uint64_t netboot_start_addr;
uint8_t reserved2[16];
} __attribute__ ((packed));
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [PATCH v5 06/12] s390-ccw: parse and set boot menu options
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 06/12] s390-ccw: parse and set boot menu options Collin L. Walling
@ 2018-02-06 10:00 ` Viktor Mihajlovski
2018-02-14 17:46 ` [Qemu-devel] [qemu-s390x] " Collin L. Walling
1 sibling, 0 replies; 38+ messages in thread
From: Viktor Mihajlovski @ 2018-02-06 10:00 UTC (permalink / raw)
To: Collin L. Walling, qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake
On 05.02.2018 21:57, Collin L. Walling wrote:
> Set boot menu options for an s390 guest and store them in
> the iplb. These options are set via the QEMU command line
> option:
>
> -boot menu=on|off[,splash-time=X]
>
> or via the libvirt domain xml:
>
> <os>
> <bootmenu enable='yes|no' timeout='X'/>
> </os>
>
> Where X represents some positive integer representing
> milliseconds.
>
> Any value set for loadparm will override all boot menu options.
> If loadparm=PROMPT, then the menu will be enabled without a
> timeout.
>
> The absence of any boot options on the command line will flag
> to later use the zipl boot loader values.
>
> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
> Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
> Reviewed-by: Thomas Huth <thuth@redhat.com>
> ---
> hw/s390x/ipl.c | 52 +++++++++++++++++++++++++++++++++++++++++++++++++
> hw/s390x/ipl.h | 7 ++++++-
> pc-bios/s390-ccw/iplb.h | 4 +++-
> 3 files changed, 61 insertions(+), 2 deletions(-)
>
> diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
> index 3e3c3b8..227dccb 100644
> --- a/hw/s390x/ipl.c
> +++ b/hw/s390x/ipl.c
> @@ -23,6 +23,8 @@
> #include "hw/s390x/ebcdic.h"
> #include "ipl.h"
> #include "qemu/error-report.h"
> +#include "qemu/config-file.h"
> +#include "qemu/cutils.h"
>
> #define KERN_IMAGE_START 0x010000UL
> #define KERN_PARM_AREA 0x010480UL
> @@ -219,6 +221,53 @@ static Property s390_ipl_properties[] = {
> DEFINE_PROP_END_OF_LIST(),
> };
>
> +static void s390_ipl_set_boot_menu(IplParameterBlock *iplb)
> +{
> + QemuOptsList *plist = qemu_find_opts("boot-opts");
> + QemuOpts *opts = QTAILQ_FIRST(&plist->head);
> + uint8_t *flags;
> + uint16_t *timeout;
> + const char *tmp;
> + unsigned long result = 0;
> +
> + switch (iplb->pbt) {
> + case S390_IPL_TYPE_CCW:
> + case S390_IPL_TYPE_QEMU_SCSI:
> + flags = &iplb->qipl.boot_menu_flags;
> + timeout = &iplb->qipl.boot_menu_timeout;
> + break;
> + default:
> + error_report("boot menu is not supported for this device type.");
> + return;
> + }
> +
> + /* In the absence of -boot menu, use zipl parameters */
> + if (!qemu_opt_get(opts, "menu")) {
> + *flags = BOOT_MENU_FLAG_ZIPL_OPTS;
> + } else if (boot_menu) {
> + *flags = BOOT_MENU_FLAG_CMD_OPTS;
> +
> + tmp = qemu_opt_get(opts, "splash-time");
> +
> + if (tmp && qemu_strtoul(tmp, NULL, 10, &result)) {
> + error_report("splash-time value is invalid, forcing it to 0.");
> + *timeout = 0;
> + return;
> + }
> +
> + result = (result + 500) / 1000; /* Round and convert to seconds */
> +
> + if (result > 0xffff) {
> + error_report("splash-time value is greater than 65535000,"
> + " forcing it to 65535000.");
> + *timeout = 0xffff;
> + return;
> + }
> +
> + *timeout = cpu_to_be16(result);
> + }
> +}
> +
> static bool s390_gen_initial_iplb(S390IPLState *ipl)
> {
> DeviceState *dev_st;
> @@ -273,6 +322,9 @@ static bool s390_gen_initial_iplb(S390IPLState *ipl)
> if (!s390_ipl_set_loadparm(ipl->iplb.loadparm)) {
> ipl->iplb.flags |= DIAG308_FLAGS_LP_VALID;
> }
> +
> + s390_ipl_set_boot_menu(&ipl->iplb);> +
Maybe it would be safer wrt migration to move that to
s390_ipl_prepare_cpu()?
> return true;
> }
>
[...]
--
Regards,
Viktor Mihajlovski
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 06/12] s390-ccw: parse and set boot menu options
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 06/12] s390-ccw: parse and set boot menu options Collin L. Walling
2018-02-06 10:00 ` Viktor Mihajlovski
@ 2018-02-14 17:46 ` Collin L. Walling
2018-02-15 6:38 ` Thomas Huth
1 sibling, 1 reply; 38+ messages in thread
From: Collin L. Walling @ 2018-02-14 17:46 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: frankja, thuth, cohuck, david, alifm, mihajlov, borntraeger, eblake
I'm beginning to like the usage of splash-time to represent a timeout
for the boot menu
less and less. It is really meant for how long a _splash_ _image_
should appear during boot.
I'd like to suggest adding a new boot option "menu-timeout". An
alternative would be
documenting in qemu-options.hx that s390 treats "splash-time" as the
menu-timeout.
Thoughts?
On 02/05/2018 03:57 PM, Collin L. Walling wrote:
> Set boot menu options for an s390 guest and store them in
> the iplb. These options are set via the QEMU command line
> option:
>
> -boot menu=on|off[,splash-time=X]
>
> or via the libvirt domain xml:
>
> <os>
> <bootmenu enable='yes|no' timeout='X'/>
> </os>
>
> Where X represents some positive integer representing
> milliseconds.
>
> Any value set for loadparm will override all boot menu options.
> If loadparm=PROMPT, then the menu will be enabled without a
> timeout.
>
> The absence of any boot options on the command line will flag
> to later use the zipl boot loader values.
>
> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
> Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
> Reviewed-by: Thomas Huth <thuth@redhat.com>
> ---
> [...]
>
> +static void s390_ipl_set_boot_menu(IplParameterBlock *iplb)
> +{
> + QemuOptsList *plist = qemu_find_opts("boot-opts");
> + QemuOpts *opts = QTAILQ_FIRST(&plist->head);
> + uint8_t *flags;
> + uint16_t *timeout;
> + const char *tmp;
> + unsigned long result = 0;
> +
> + switch (iplb->pbt) {
> + case S390_IPL_TYPE_CCW:
> + case S390_IPL_TYPE_QEMU_SCSI:
> + flags = &iplb->qipl.boot_menu_flags;
> + timeout = &iplb->qipl.boot_menu_timeout;
> + break;
> + default:
> + error_report("boot menu is not supported for this device type.");
> + return;
> + }
> +
> + /* In the absence of -boot menu, use zipl parameters */
> + if (!qemu_opt_get(opts, "menu")) {
> + *flags = BOOT_MENU_FLAG_ZIPL_OPTS;
> + } else if (boot_menu) {
> + *flags = BOOT_MENU_FLAG_CMD_OPTS;
> +
> + tmp = qemu_opt_get(opts, "splash-time");
> +
> + if (tmp && qemu_strtoul(tmp, NULL, 10, &result)) {
> + error_report("splash-time value is invalid, forcing it to 0.");
> + *timeout = 0;
> + return;
> + }
> +
> + result = (result + 500) / 1000; /* Round and convert to seconds */
> +
> + if (result > 0xffff) {
> + error_report("splash-time value is greater than 65535000,"
> + " forcing it to 65535000.");
> + *timeout = 0xffff;
> + return;
> + }
> +
> + *timeout = cpu_to_be16(result);
> + }
> +}
> +
> [...]
--
- Collin L Walling
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 06/12] s390-ccw: parse and set boot menu options
2018-02-14 17:46 ` [Qemu-devel] [qemu-s390x] " Collin L. Walling
@ 2018-02-15 6:38 ` Thomas Huth
2018-02-15 7:57 ` Viktor Mihajlovski
0 siblings, 1 reply; 38+ messages in thread
From: Thomas Huth @ 2018-02-15 6:38 UTC (permalink / raw)
To: Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, mihajlov, borntraeger, eblake
On 14.02.2018 18:46, Collin L. Walling wrote:
> I'm beginning to like the usage of splash-time to represent a timeout
> for the boot menu
> less and less. It is really meant for how long a _splash_ _image_
> should appear during boot.
>
> I'd like to suggest adding a new boot option "menu-timeout". An
> alternative would be
> documenting in qemu-options.hx that s390 treats "splash-time" as the
> menu-timeout.
>
> Thoughts?
I think you should keep splash-time and not introduce a new option.
Libvirt seems to map the timeout from <bootmenu enable='yes'
timeout='X'/> to the splash-time option, and according to the libvirt
documentation: "Additional attribute timeout takes the number of
milliseconds the boot menu should wait until it times out."
So it seems like splash-time is already expected to define the amount of
time for the boot menu. We should not confuse libvirt or the users by
introducing yet another option here.
Thomas
> On 02/05/2018 03:57 PM, Collin L. Walling wrote:
>> Set boot menu options for an s390 guest and store them in
>> the iplb. These options are set via the QEMU command line
>> option:
>>
>> -boot menu=on|off[,splash-time=X]
>>
>> or via the libvirt domain xml:
>>
>> <os>
>> <bootmenu enable='yes|no' timeout='X'/>
>> </os>
>>
>> Where X represents some positive integer representing
>> milliseconds.
>>
>> Any value set for loadparm will override all boot menu options.
>> If loadparm=PROMPT, then the menu will be enabled without a
>> timeout.
>>
>> The absence of any boot options on the command line will flag
>> to later use the zipl boot loader values.
>>
>> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
>> Reviewed-by: Janosch Frank <frankja@linux.vnet.ibm.com>
>> Reviewed-by: Thomas Huth <thuth@redhat.com>
>> ---
>> [...]
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 06/12] s390-ccw: parse and set boot menu options
2018-02-15 6:38 ` Thomas Huth
@ 2018-02-15 7:57 ` Viktor Mihajlovski
0 siblings, 0 replies; 38+ messages in thread
From: Viktor Mihajlovski @ 2018-02-15 7:57 UTC (permalink / raw)
To: Thomas Huth, Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, borntraeger, eblake
On 15.02.2018 07:38, Thomas Huth wrote:
> On 14.02.2018 18:46, Collin L. Walling wrote:
>> I'm beginning to like the usage of splash-time to represent a timeout
>> for the boot menu
>> less and less. It is really meant for how long a _splash_ _image_
>> should appear during boot.
>>
>> I'd like to suggest adding a new boot option "menu-timeout". An
>> alternative would be
>> documenting in qemu-options.hx that s390 treats "splash-time" as the
>> menu-timeout.
>>
>> Thoughts?
>
> I think you should keep splash-time and not introduce a new option.
> Libvirt seems to map the timeout from <bootmenu enable='yes'
> timeout='X'/> to the splash-time option, and according to the libvirt
> documentation: "Additional attribute timeout takes the number of
> milliseconds the boot menu should wait until it times out."
>
> So it seems like splash-time is already expected to define the amount of
> time for the boot menu. We should not confuse libvirt or the users by
> introducing yet another option here.
I agree, the QEMU option name was probably poorly chosen, as it really
describes the time a user has to interact with the BIOS before it starts
booting the OS.
BTW: we could have a nice ASCII art splash image (nah ... just kidding)
##### # ##### ##### ###
# # # # # # # # #
# # # # # # #
##### # ##### ###### # #
# # # # # #
# # # # # # # # #
##### # ##### ##### ###
[...]
--
Regards,
Viktor Mihajlovski
^ permalink raw reply [flat|nested] 38+ messages in thread
* [Qemu-devel] [PATCH v5 07/12] s390-ccw: set up interactive boot menu parameters
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (5 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 06/12] s390-ccw: parse and set boot menu options Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 08/12] s390-ccw: read stage2 boot loader data to find menu Collin L. Walling
` (5 subsequent siblings)
12 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
Reads boot menu flag and timeout values from the iplb and
sets the respective fields for the menu.
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
pc-bios/s390-ccw/Makefile | 2 +-
pc-bios/s390-ccw/main.c | 24 ++++++++++++++++++++++++
| 26 ++++++++++++++++++++++++++
| 23 +++++++++++++++++++++++
4 files changed, 74 insertions(+), 1 deletion(-)
create mode 100644 pc-bios/s390-ccw/menu.c
create mode 100644 pc-bios/s390-ccw/menu.h
diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile
index 9f7904f..1712c2d 100644
--- a/pc-bios/s390-ccw/Makefile
+++ b/pc-bios/s390-ccw/Makefile
@@ -9,7 +9,7 @@ $(call set-vpath, $(SRC_PATH)/pc-bios/s390-ccw)
.PHONY : all clean build-all
-OBJECTS = start.o main.o bootmap.o sclp.o virtio.o virtio-scsi.o virtio-blkdev.o libc.o
+OBJECTS = start.o main.o bootmap.o sclp.o virtio.o virtio-scsi.o virtio-blkdev.o libc.o menu.o
QEMU_CFLAGS := $(filter -W%, $(QEMU_CFLAGS))
QEMU_CFLAGS += -ffreestanding -fno-delete-null-pointer-checks -msoft-float
QEMU_CFLAGS += -march=z900 -fPIE -fno-strict-aliasing
diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
index 825a1a3..76d58cc 100644
--- a/pc-bios/s390-ccw/main.c
+++ b/pc-bios/s390-ccw/main.c
@@ -11,6 +11,7 @@
#include "libc.h"
#include "s390-ccw.h"
#include "virtio.h"
+#include "menu.h"
char stack[PAGE_SIZE * 8] __attribute__((__aligned__(PAGE_SIZE)));
static SubChannelId blk_schid = { .one = 1 };
@@ -18,6 +19,9 @@ IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE)));
static char loadparm[8] = { 0, 0, 0, 0, 0, 0, 0, 0 };
QemuIplParameters qipl;
+#define LOADPARM_PROMPT "PROMPT "
+#define LOADPARM_EMPTY "........"
+
/*
* Priniciples of Operations (SA22-7832-09) chapter 17 requires that
* a subsystem-identification is at 184-187 and bytes 188-191 are zero
@@ -74,6 +78,25 @@ static bool find_dev(Schib *schib, int dev_no)
return false;
}
+static void menu_setup(void)
+{
+ if (memcmp(loadparm, LOADPARM_PROMPT, 8) == 0) {
+ menu_set_parms(BOOT_MENU_FLAG_CMD_OPTS, 0);
+ return;
+ }
+
+ /* If loadparm was set to any other value, then do not enable menu */
+ if (memcmp(loadparm, LOADPARM_EMPTY, 8) != 0) {
+ return;
+ }
+
+ switch (iplb.pbt) {
+ case S390_IPL_TYPE_CCW:
+ menu_set_parms(qipl.boot_menu_flags, qipl.boot_menu_timeout);
+ return;
+ }
+}
+
static void virtio_setup(void)
{
Schib schib;
@@ -117,6 +140,7 @@ static void virtio_setup(void)
default:
panic("List-directed IPL not supported yet!\n");
}
+ menu_setup();
} else {
for (ssid = 0; ssid < 0x3; ssid++) {
blk_schid.ssid = ssid;
--git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
new file mode 100644
index 0000000..e87aec6
--- /dev/null
+++ b/pc-bios/s390-ccw/menu.c
@@ -0,0 +1,26 @@
+/*
+ * QEMU S390 Interactive Boot Menu
+ *
+ * Copyright 2018 IBM Corp.
+ * Author: Collin L. Walling <walling@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at
+ * your option) any later version. See the COPYING file in the top-level
+ * directory.
+ */
+
+#include "menu.h"
+
+static uint8_t flags;
+static uint64_t timeout;
+
+void menu_set_parms(uint8_t boot_menu_flag, uint16_t boot_menu_timeout)
+{
+ flags = boot_menu_flag;
+ timeout = boot_menu_timeout;
+}
+
+int menu_check_flags(uint8_t check_flags)
+{
+ return flags & check_flags;
+}
--git a/pc-bios/s390-ccw/menu.h b/pc-bios/s390-ccw/menu.h
new file mode 100644
index 0000000..6ff9a0e
--- /dev/null
+++ b/pc-bios/s390-ccw/menu.h
@@ -0,0 +1,23 @@
+/*
+ * QEMU S390 Interactive Boot Menu
+ *
+ * Copyright 2018 IBM Corp.
+ * Author: Collin L. Walling <walling@linux.vnet.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or (at
+ * your option) any later version. See the COPYING file in the top-level
+ * directory.
+ */
+
+#ifndef MENU_H
+#define MENU_H
+
+#include "libc.h"
+
+#define BOOT_MENU_FLAG_CMD_OPTS 0x80
+#define BOOT_MENU_FLAG_ZIPL_OPTS 0x40
+
+void menu_set_parms(uint8_t boot_menu_flags, uint16_t boot_menu_timeout);
+bool menu_check_flags(uint8_t check_flags);
+
+#endif /* MENU_H */
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* [Qemu-devel] [PATCH v5 08/12] s390-ccw: read stage2 boot loader data to find menu
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (6 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 07/12] s390-ccw: set up interactive boot menu parameters Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 09/12] s390-ccw: print zipl boot menu Collin L. Walling
` (4 subsequent siblings)
12 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
Read the stage2 boot loader data block-by-block. We scan the
current block for the string "zIPL" to detect the start of the
boot menu banner. We then load the adjacent blocks (previous
block and next block) to account for the possibility of menu
data spanning multiple blocks.
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
pc-bios/s390-ccw/bootmap.c | 94 +++++++++++++++++++++++++++++++++++++++++++---
pc-bios/s390-ccw/bootmap.h | 23 +++++++++++-
| 5 +++
| 1 +
4 files changed, 116 insertions(+), 7 deletions(-)
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index e3cbb09b..adbef41 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -13,6 +13,7 @@
#include "bootmap.h"
#include "virtio.h"
#include "bswap.h"
+#include "menu.h"
#ifdef DEBUG
/* #define DEBUG_FALLBACK */
@@ -83,6 +84,10 @@ static void jump_to_IPL_code(uint64_t address)
static unsigned char _bprs[8*1024]; /* guessed "max" ECKD sector size */
static const int max_bprs_entries = sizeof(_bprs) / sizeof(ExtEckdBlockPtr);
+static uint8_t _s2[MAX_SECTOR_SIZE * 3] __attribute__((__aligned__(PAGE_SIZE)));
+static void *s2_prev_blk = _s2;
+static void *s2_cur_blk = _s2 + MAX_SECTOR_SIZE;
+static void *s2_next_blk = _s2 + MAX_SECTOR_SIZE * 2;
static inline void verify_boot_info(BootInfo *bip)
{
@@ -182,7 +187,76 @@ static block_number_t load_eckd_segments(block_number_t blk, uint64_t *address)
return block_nr;
}
-static void run_eckd_boot_script(block_number_t bmt_block_nr)
+static bool find_zipl_boot_menu_banner(int *offset)
+{
+ int i;
+
+ /* Menu banner starts with "zIPL" */
+ for (i = 0; i < virtio_get_block_size() - 4; i++) {
+ if (magic_match(s2_cur_blk + i, ZIPL_MAGIC_EBCDIC)) {
+ *offset = i;
+ return true;
+ }
+ }
+
+ return false;
+}
+
+static int eckd_get_boot_menu_index(block_number_t s1b_block_nr)
+{
+ block_number_t cur_block_nr;
+ block_number_t prev_block_nr = 0;
+ block_number_t next_block_nr = 0;
+ EckdStage1b *s1b = (void *)sec;
+ int offset;
+ int i;
+
+ /* Get Stage1b data */
+ memset(sec, FREE_SPACE_FILLER, sizeof(sec));
+ read_block(s1b_block_nr, s1b, "Cannot read stage1b boot loader");
+
+ memset(_s2, FREE_SPACE_FILLER, sizeof(_s2));
+
+ /* Get Stage2 data */
+ for (i = 0; i < STAGE2_BLK_CNT_MAX; i++) {
+ cur_block_nr = eckd_block_num(&s1b->seek[i].chs);
+
+ if (!cur_block_nr) {
+ break;
+ }
+
+ read_block(cur_block_nr, s2_cur_blk, "Cannot read stage2 boot loader");
+
+ if (find_zipl_boot_menu_banner(&offset)) {
+ /* Load the adjacent blocks to account for the
+ * possibility of menu data spanning multiple blocks.
+ */
+ if (prev_block_nr) {
+ read_block(prev_block_nr, s2_prev_blk,
+ "Cannot read stage2 boot loader");
+ }
+
+ if (i + 1 < STAGE2_BLK_CNT_MAX) {
+ next_block_nr = eckd_block_num(&s1b->seek[i + 1].chs);
+ }
+
+ if (next_block_nr) {
+ read_block(next_block_nr, s2_next_blk,
+ "Cannot read stage2 boot loader");
+ }
+
+ return menu_get_zipl_boot_index(s2_cur_blk, offset);
+ }
+
+ prev_block_nr = cur_block_nr;
+ }
+
+ sclp_print("No zipl boot menu data found. Booting default entry.");
+ return 0;
+}
+
+static void run_eckd_boot_script(block_number_t bmt_block_nr,
+ block_number_t s1b_block_nr)
{
int i;
unsigned int loadparm = get_loadparm_index();
@@ -191,6 +265,10 @@ static void run_eckd_boot_script(block_number_t bmt_block_nr)
BootMapTable *bmt = (void *)sec;
BootMapScript *bms = (void *)sec;
+ if (menu_check_flags(BOOT_MENU_FLAG_CMD_OPTS | BOOT_MENU_FLAG_ZIPL_OPTS)) {
+ loadparm = eckd_get_boot_menu_index(s1b_block_nr);
+ }
+
debug_print_int("loadparm", loadparm);
IPL_assert(loadparm < 31, "loadparm value greater than"
" maximum number of boot entries allowed");
@@ -223,7 +301,7 @@ static void ipl_eckd_cdl(void)
XEckdMbr *mbr;
EckdCdlIpl2 *ipl2 = (void *)sec;
IplVolumeLabel *vlbl = (void *)sec;
- block_number_t bmt_block_nr;
+ block_number_t bmt_block_nr, s1b_block_nr;
/* we have just read the block #0 and recognized it as "IPL1" */
sclp_print("CDL\n");
@@ -241,6 +319,9 @@ static void ipl_eckd_cdl(void)
/* save pointer to Boot Map Table */
bmt_block_nr = eckd_block_num(&mbr->blockptr.xeckd.bptr.chs);
+ /* save pointer to Stage1b Data */
+ s1b_block_nr = eckd_block_num(&ipl2->stage1.seek[0].chs);
+
memset(sec, FREE_SPACE_FILLER, sizeof(sec));
read_block(2, vlbl, "Cannot read Volume Label at block 2");
IPL_assert(magic_match(vlbl->key, VOL1_MAGIC),
@@ -249,7 +330,7 @@ static void ipl_eckd_cdl(void)
"Invalid magic of volser block");
print_volser(vlbl->f.volser);
- run_eckd_boot_script(bmt_block_nr);
+ run_eckd_boot_script(bmt_block_nr, s1b_block_nr);
/* no return */
}
@@ -280,7 +361,7 @@ static void print_eckd_ldl_msg(ECKD_IPL_mode_t mode)
static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
{
- block_number_t bmt_block_nr;
+ block_number_t bmt_block_nr, s1b_block_nr;
EckdLdlIpl1 *ipl1 = (void *)sec;
if (mode != ECKD_LDL_UNLABELED) {
@@ -302,7 +383,10 @@ static void ipl_eckd_ldl(ECKD_IPL_mode_t mode)
/* save pointer to Boot Map Table */
bmt_block_nr = eckd_block_num(&ipl1->bip.bp.ipl.bm_ptr.eckd.bptr.chs);
- run_eckd_boot_script(bmt_block_nr);
+ /* save pointer to Stage1b Data */
+ s1b_block_nr = eckd_block_num(&ipl1->stage1.seek[0].chs);
+
+ run_eckd_boot_script(bmt_block_nr, s1b_block_nr);
/* no return */
}
diff --git a/pc-bios/s390-ccw/bootmap.h b/pc-bios/s390-ccw/bootmap.h
index b0a135c..8fa6a7b 100644
--- a/pc-bios/s390-ccw/bootmap.h
+++ b/pc-bios/s390-ccw/bootmap.h
@@ -85,6 +85,7 @@ typedef struct ScsiMbr {
} __attribute__ ((packed)) ScsiMbr;
#define ZIPL_MAGIC "zIPL"
+#define ZIPL_MAGIC_EBCDIC "\xa9\xc9\xd7\xd3"
#define IPL1_MAGIC "\xc9\xd7\xd3\xf1" /* == "IPL1" in EBCDIC */
#define IPL2_MAGIC "\xc9\xd7\xd3\xf2" /* == "IPL2" in EBCDIC */
#define VOL1_MAGIC "\xe5\xd6\xd3\xf1" /* == "VOL1" in EBCDIC */
@@ -247,15 +248,33 @@ typedef struct EckdCdlIpl1 {
uint8_t data[24];
} __attribute__((packed)) EckdCdlIpl1;
+typedef struct EckdSeekArg {
+ uint16_t pad;
+ EckdCHS chs;
+ uint8_t pad2;
+} __attribute__ ((packed)) EckdSeekArg;
+
+typedef struct EckdStage1b {
+ uint8_t reserved[32 * STAGE2_BLK_CNT_MAX];
+ struct EckdSeekArg seek[STAGE2_BLK_CNT_MAX];
+ uint8_t unused[64];
+} __attribute__ ((packed)) EckdStage1b;
+
+typedef struct EckdStage1 {
+ uint8_t reserved[72];
+ struct EckdSeekArg seek[2];
+} __attribute__ ((packed)) EckdStage1;
+
typedef struct EckdCdlIpl2 {
uint8_t key[4]; /* == "IPL2" */
- uint8_t reserved0[88];
+ struct EckdStage1 stage1;
XEckdMbr mbr;
uint8_t reserved[24];
} __attribute__((packed)) EckdCdlIpl2;
typedef struct EckdLdlIpl1 {
- uint8_t reserved[112];
+ uint8_t reserved[24];
+ struct EckdStage1 stage1;
BootInfo bip; /* BootInfo is MBR for LDL */
} __attribute__((packed)) EckdLdlIpl1;
--git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
index e87aec6..4ba2684 100644
--- a/pc-bios/s390-ccw/menu.c
+++ b/pc-bios/s390-ccw/menu.c
@@ -14,6 +14,11 @@
static uint8_t flags;
static uint64_t timeout;
+int menu_get_zipl_boot_index(const void *stage2, int offset)
+{
+ return 0; /* implemented next patch */
+}
+
void menu_set_parms(uint8_t boot_menu_flag, uint16_t boot_menu_timeout)
{
flags = boot_menu_flag;
--git a/pc-bios/s390-ccw/menu.h b/pc-bios/s390-ccw/menu.h
index 6ff9a0e..e8e042f 100644
--- a/pc-bios/s390-ccw/menu.h
+++ b/pc-bios/s390-ccw/menu.h
@@ -17,6 +17,7 @@
#define BOOT_MENU_FLAG_CMD_OPTS 0x80
#define BOOT_MENU_FLAG_ZIPL_OPTS 0x40
+int menu_get_zipl_boot_index(const void *stage2, int offset);
void menu_set_parms(uint8_t boot_menu_flags, uint16_t boot_menu_timeout);
bool menu_check_flags(uint8_t check_flags);
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* [Qemu-devel] [PATCH v5 09/12] s390-ccw: print zipl boot menu
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (7 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 08/12] s390-ccw: read stage2 boot loader data to find menu Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 10/12] s390-ccw: read user input for boot index via the SCLP console Collin L. Walling
` (3 subsequent siblings)
12 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
When the boot menu options are present and the guest's
disk has been configured by the zipl tool, then the user
will be presented with an interactive boot menu with
labeled entries. An example of what the menu might look
like:
zIPL v1.37.1-build-20170714 interactive boot menu.
0. default (linux-4.13.0)
1. linux-4.13.0
2. performance
3. kvm
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
| 49 ++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 48 insertions(+), 1 deletion(-)
--git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
index 4ba2684..e9e283f 100644
--- a/pc-bios/s390-ccw/menu.c
+++ b/pc-bios/s390-ccw/menu.c
@@ -10,13 +10,60 @@
*/
#include "menu.h"
+#include "s390-ccw.h"
static uint8_t flags;
static uint64_t timeout;
+/* Offsets from zipl fields to zipl banner start */
+#define ZIPL_TIMEOUT_OFFSET 138
+#define ZIPL_FLAG_OFFSET 140
+
+static int get_boot_index(int entries)
+{
+ return 0; /* Implemented next patch */
+}
+
+static void zipl_println(const char *data, size_t len)
+{
+ char buf[len + 2];
+
+ ebcdic_to_ascii(data, buf, len);
+ buf[len] = '\n';
+ buf[len + 1] = '\0';
+
+ sclp_print(buf);
+}
+
int menu_get_zipl_boot_index(const void *stage2, int offset)
{
- return 0; /* implemented next patch */
+ const char *data = stage2 + offset;
+ uint16_t zipl_flag = *(uint16_t *)(data - ZIPL_FLAG_OFFSET);
+ uint16_t zipl_timeout = *(uint16_t *)(data - ZIPL_TIMEOUT_OFFSET);
+ size_t len;
+ int ct;
+
+ if (flags & BOOT_MENU_FLAG_ZIPL_OPTS) {
+ if (!zipl_flag) {
+ return 0; /* Boot default */
+ }
+ timeout = zipl_timeout;
+ }
+
+ /* Print and count all menu items, including the banner */
+ for (ct = 0; *data; ct++) {
+ len = strlen(data);
+ zipl_println(data, len);
+ data += len + 1;
+
+ if (ct < 2) {
+ sclp_print("\n");
+ }
+ }
+
+ sclp_print("\n");
+
+ return get_boot_index(ct - 1);
}
void menu_set_parms(uint8_t boot_menu_flag, uint16_t boot_menu_timeout)
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* [Qemu-devel] [PATCH v5 10/12] s390-ccw: read user input for boot index via the SCLP console
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (8 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 09/12] s390-ccw: print zipl boot menu Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 11/12] s390-ccw: clear pending irqs Collin L. Walling
` (2 subsequent siblings)
12 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
Implements an sclp_read function to capture input from the
console and a wrapper function that handles parsing certain
characters and adding input to a buffer. The input is checked
for any erroneous values and is handled appropriately.
A prompt will persist until input is entered or the timeout
expires (if one was set). Example:
Please choose (default will boot in 10 seconds):
Correct input will boot the respective boot index. If the
user's input is empty, 0, or if the timeout expires, then
the default zipl entry will be chosen. If the input is
within the range of available boot entries, then the
selection will be booted. Any erroneous input will cancel
the timeout and re-prompt the user.
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
| 150 +++++++++++++++++++++++++++++++++++++++++++-
pc-bios/s390-ccw/s390-ccw.h | 3 +
pc-bios/s390-ccw/sclp.c | 19 ++++++
pc-bios/s390-ccw/virtio.c | 2 +-
4 files changed, 170 insertions(+), 4 deletions(-)
--git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
index e9e283f..85d285f 100644
--- a/pc-bios/s390-ccw/menu.c
+++ b/pc-bios/s390-ccw/menu.c
@@ -12,16 +12,160 @@
#include "menu.h"
#include "s390-ccw.h"
-static uint8_t flags;
-static uint64_t timeout;
+#define KEYCODE_NO_INP '\0'
+#define KEYCODE_ESCAPE '\033'
+#define KEYCODE_BACKSP '\177'
+#define KEYCODE_ENTER '\r'
/* Offsets from zipl fields to zipl banner start */
#define ZIPL_TIMEOUT_OFFSET 138
#define ZIPL_FLAG_OFFSET 140
+#define TOD_CLOCK_SECOND 0xf4240000
+
+static uint8_t flags;
+static uint64_t timeout;
+
+static inline void enable_clock_int(void)
+{
+ uint64_t tmp = 0;
+
+ asm volatile(
+ "stctg 0,0,%0\n"
+ "oi 6+%0, 0x8\n"
+ "lctlg 0,0,%0"
+ : : "Q" (tmp) : "memory"
+ );
+}
+
+static inline void disable_clock_int(void)
+{
+ uint64_t tmp = 0;
+
+ asm volatile(
+ "stctg 0,0,%0\n"
+ "ni 6+%0, 0xf7\n"
+ "lctlg 0,0,%0"
+ : : "Q" (tmp) : "memory"
+ );
+}
+
+static inline void set_clock_comparator(uint64_t time)
+{
+ asm volatile("sckc %0" : : "Q" (time));
+}
+
+static inline bool check_clock_int(void)
+{
+ uint16_t *code = (uint16_t *)0x86; /* low-core external interrupt code */
+
+ consume_sclp_int();
+
+ return *code == 0x1004;
+}
+
+static int read_prompt(char *buf, size_t len)
+{
+ char inp[2] = {};
+ uint8_t idx = 0;
+ uint64_t time;
+
+ if (timeout) {
+ time = get_clock() + timeout * TOD_CLOCK_SECOND;
+ set_clock_comparator(time);
+ enable_clock_int();
+ timeout = 0;
+ }
+
+ while (!check_clock_int()) {
+
+ sclp_read(inp, 1); /* Process only one character at a time */
+
+ switch (inp[0]) {
+ case KEYCODE_NO_INP:
+ case KEYCODE_ESCAPE:
+ continue;
+ case KEYCODE_BACKSP:
+ if (idx > 0) {
+ buf[--idx] = 0;
+ sclp_print("\b \b");
+ }
+ continue;
+ case KEYCODE_ENTER:
+ disable_clock_int();
+ return idx;
+ default:
+ /* Echo input and add to buffer */
+ if (idx < len) {
+ buf[idx++] = inp[0];
+ sclp_print(inp);
+ }
+ }
+ }
+
+ disable_clock_int();
+ *buf = 0;
+
+ return 0;
+}
+
+static int get_index(void)
+{
+ char buf[10];
+ int len;
+ int i;
+
+ memset(buf, 0, sizeof(buf));
+
+ len = read_prompt(buf, sizeof(buf));
+
+ /* If no input, boot default */
+ if (len == 0) {
+ return 0;
+ }
+
+ /* Check for erroneous input */
+ for (i = 0; i < len; i++) {
+ if (!isdigit(buf[i])) {
+ return -1;
+ }
+ }
+
+ return atoui(buf);
+}
+
+static void boot_menu_prompt(bool retry)
+{
+ char tmp[6];
+
+ if (retry) {
+ sclp_print("\nError: undefined configuration"
+ "\nPlease choose:\n");
+ } else if (timeout > 0) {
+ sclp_print("Please choose (default will boot in ");
+ sclp_print(itostr(timeout, tmp, sizeof(tmp)));
+ sclp_print(" seconds):\n");
+ } else {
+ sclp_print("Please choose:\n");
+ }
+}
+
static int get_boot_index(int entries)
{
- return 0; /* Implemented next patch */
+ int boot_index;
+ bool retry = false;
+ char tmp[5];
+
+ do {
+ boot_menu_prompt(retry);
+ boot_index = get_index();
+ retry = true;
+ } while (boot_index < 0 || boot_index >= entries);
+
+ sclp_print("\nBooting entry #");
+ sclp_print(itostr(boot_index, tmp, sizeof(tmp)));
+
+ return boot_index;
}
static void zipl_println(const char *data, size_t len)
diff --git a/pc-bios/s390-ccw/s390-ccw.h b/pc-bios/s390-ccw/s390-ccw.h
index 25d4d21..9249cb2 100644
--- a/pc-bios/s390-ccw/s390-ccw.h
+++ b/pc-bios/s390-ccw/s390-ccw.h
@@ -71,6 +71,8 @@ unsigned int get_loadparm_index(void);
void sclp_print(const char *string);
void sclp_setup(void);
void sclp_get_loadparm_ascii(char *loadparm);
+int sclp_read(char *str, size_t count);
+void sclp_clear_write_mask(void);
/* virtio.c */
unsigned long virtio_load_direct(ulong rec_list1, ulong rec_list2,
@@ -79,6 +81,7 @@ bool virtio_is_supported(SubChannelId schid);
void virtio_blk_setup_device(SubChannelId schid);
int virtio_read(ulong sector, void *load_addr);
int enable_mss_facility(void);
+u64 get_clock(void);
ulong get_second(void);
/* bootmap.c */
diff --git a/pc-bios/s390-ccw/sclp.c b/pc-bios/s390-ccw/sclp.c
index 486fce1..5902d5b 100644
--- a/pc-bios/s390-ccw/sclp.c
+++ b/pc-bios/s390-ccw/sclp.c
@@ -101,3 +101,22 @@ void sclp_get_loadparm_ascii(char *loadparm)
ebcdic_to_ascii((char *) sccb->loadparm, loadparm, 8);
}
}
+
+int sclp_read(char *str, size_t count)
+{
+ ReadEventData *sccb = (void *)_sccb;
+ char *buf = (char *)(&sccb->ebh) + 7;
+
+ /* If count exceeds max buffer size, then restrict it to the max size */
+ if (count > SCCB_SIZE - 8) {
+ count = SCCB_SIZE - 8;
+ }
+
+ sccb->h.length = SCCB_SIZE;
+ sccb->h.function_code = SCLP_UNCONDITIONAL_READ;
+
+ sclp_service_call(SCLP_CMD_READ_EVENT_DATA, sccb);
+ memcpy(str, buf, count);
+
+ return sccb->ebh.length - 7;
+}
diff --git a/pc-bios/s390-ccw/virtio.c b/pc-bios/s390-ccw/virtio.c
index c890a03..817e7f5 100644
--- a/pc-bios/s390-ccw/virtio.c
+++ b/pc-bios/s390-ccw/virtio.c
@@ -176,7 +176,7 @@ void vring_send_buf(VRing *vr, void *p, int len, int flags)
}
}
-static u64 get_clock(void)
+u64 get_clock(void)
{
u64 r;
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* [Qemu-devel] [PATCH v5 11/12] s390-ccw: clear pending irqs
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (9 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 10/12] s390-ccw: read user input for boot index via the SCLP console Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-06 10:07 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
2018-02-14 10:57 ` David Hildenbrand
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 12/12] s390-ccw: interactive boot menu for scsi Collin L. Walling
2018-02-05 21:20 ` [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x no-reply
12 siblings, 2 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
It is possible while waiting for multiple types of external
interrupts that we might have pending irqs remaining between
irq consumption and irq disabling. Those interrupts could
propagate to the guest after IPL completes and cause unwanted
behavior.
To avoid this, we clear the write event mask to prevent further
service interrupts from ASCII events and then consume all pending
irqs for a miniscule duration. Once finished, we reset the write
event mask and resume business as usual.
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
---
| 16 ++++++++++++++++
pc-bios/s390-ccw/sclp.c | 12 ++++++++++++
2 files changed, 28 insertions(+)
--git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
index 85d285f..971f6b6 100644
--- a/pc-bios/s390-ccw/menu.c
+++ b/pc-bios/s390-ccw/menu.c
@@ -64,6 +64,20 @@ static inline bool check_clock_int(void)
return *code == 0x1004;
}
+static void clear_pending_irqs(void)
+{
+ uint64_t time = 50 * TOD_CLOCK_SECOND / 0x3e8;
+
+ sclp_clear_write_mask();
+
+ set_clock_comparator(get_clock() + time);
+ enable_clock_int();
+ consume_sclp_int();
+ disable_clock_int();
+
+ sclp_setup(); /* re-enable write mask */
+}
+
static int read_prompt(char *buf, size_t len)
{
char inp[2] = {};
@@ -165,6 +179,8 @@ static int get_boot_index(int entries)
sclp_print("\nBooting entry #");
sclp_print(itostr(boot_index, tmp, sizeof(tmp)));
+ clear_pending_irqs();
+
return boot_index;
}
diff --git a/pc-bios/s390-ccw/sclp.c b/pc-bios/s390-ccw/sclp.c
index 5902d5b..025eb2d 100644
--- a/pc-bios/s390-ccw/sclp.c
+++ b/pc-bios/s390-ccw/sclp.c
@@ -46,6 +46,18 @@ static int sclp_service_call(unsigned int command, void *sccb)
return 0;
}
+void sclp_clear_write_mask(void)
+{
+ WriteEventMask *sccb = (void *)_sccb;
+
+ sccb->h.length = sizeof(WriteEventMask);
+ sccb->mask_length = sizeof(unsigned int);
+ sccb->cp_receive_mask = 0;
+ sccb->cp_send_mask = 0;
+
+ sclp_service_call(SCLP_CMD_WRITE_EVENT_MASK, sccb);
+}
+
static void sclp_set_write_mask(void)
{
WriteEventMask *sccb = (void *)_sccb;
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 11/12] s390-ccw: clear pending irqs
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 11/12] s390-ccw: clear pending irqs Collin L. Walling
@ 2018-02-06 10:07 ` Thomas Huth
2018-02-06 16:37 ` Collin L. Walling
2018-02-14 10:57 ` David Hildenbrand
1 sibling, 1 reply; 38+ messages in thread
From: Thomas Huth @ 2018-02-06 10:07 UTC (permalink / raw)
To: Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, mihajlov, borntraeger, eblake
On 05.02.2018 21:57, Collin L. Walling wrote:
> It is possible while waiting for multiple types of external
> interrupts that we might have pending irqs remaining between
> irq consumption and irq disabling. Those interrupts could
> propagate to the guest after IPL completes and cause unwanted
> behavior.
>
> To avoid this, we clear the write event mask to prevent further
> service interrupts from ASCII events and then consume all pending
> irqs for a miniscule duration. Once finished, we reset the write
> event mask and resume business as usual.
>
> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
> ---
> pc-bios/s390-ccw/menu.c | 16 ++++++++++++++++
> pc-bios/s390-ccw/sclp.c | 12 ++++++++++++
> 2 files changed, 28 insertions(+)
>
> diff --git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
> index 85d285f..971f6b6 100644
> --- a/pc-bios/s390-ccw/menu.c
> +++ b/pc-bios/s390-ccw/menu.c
> @@ -64,6 +64,20 @@ static inline bool check_clock_int(void)
> return *code == 0x1004;
> }
>
> +static void clear_pending_irqs(void)
> +{
> + uint64_t time = 50 * TOD_CLOCK_SECOND / 0x3e8;
s/0x3e8/1000/ please.
> + sclp_clear_write_mask();
> +
> + set_clock_comparator(get_clock() + time);
> + enable_clock_int();
> + consume_sclp_int();
> + disable_clock_int();
> +
> + sclp_setup(); /* re-enable write mask */
> +}
I'm pretty much confused by this code. First, isn't there a small chance
that there is a clock int between consume_sclp_int() and
disable_clock_int() (if consume_sclp_int() has consumed an SCLP
interrupt instead of a clock interrupt) ?
Second, if you finally enable the SCLP write mask again, doesn't that
mean that there could be interrupts pending again afterwards?
Thomas
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 11/12] s390-ccw: clear pending irqs
2018-02-06 10:07 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
@ 2018-02-06 16:37 ` Collin L. Walling
0 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-06 16:37 UTC (permalink / raw)
To: Thomas Huth, qemu-s390x, qemu-devel
Cc: frankja, cohuck, david, alifm, mihajlov, borntraeger, eblake
On 02/06/2018 05:07 AM, Thomas Huth wrote:
> On 05.02.2018 21:57, Collin L. Walling wrote:
>> It is possible while waiting for multiple types of external
>> interrupts that we might have pending irqs remaining between
>> irq consumption and irq disabling. Those interrupts could
>> propagate to the guest after IPL completes and cause unwanted
>> behavior.
>>
>> To avoid this, we clear the write event mask to prevent further
>> service interrupts from ASCII events and then consume all pending
>> irqs for a miniscule duration. Once finished, we reset the write
>> event mask and resume business as usual.
>>
>> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
>> ---
>> pc-bios/s390-ccw/menu.c | 16 ++++++++++++++++
>> pc-bios/s390-ccw/sclp.c | 12 ++++++++++++
>> 2 files changed, 28 insertions(+)
>>
>> diff --git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
>> index 85d285f..971f6b6 100644
>> --- a/pc-bios/s390-ccw/menu.c
>> +++ b/pc-bios/s390-ccw/menu.c
>> @@ -64,6 +64,20 @@ static inline bool check_clock_int(void)
>> return *code == 0x1004;
>> }
>>
>> +static void clear_pending_irqs(void)
>> +{
>> + uint64_t time = 50 * TOD_CLOCK_SECOND / 0x3e8;
> s/0x3e8/1000/ please.
Agreed.
>
>> + sclp_clear_write_mask();
>> +
>> + set_clock_comparator(get_clock() + time);
>> + enable_clock_int();
>> + consume_sclp_int();
>> + disable_clock_int();
>> +
>> + sclp_setup(); /* re-enable write mask */
>> +}
> I'm pretty much confused by this code. First, isn't there a small chance
> that there is a clock int between consume_sclp_int() and
> disable_clock_int() (if consume_sclp_int() has consumed an SCLP
> interrupt instead of a clock interrupt) ?
By clearing the write mask, we can no longer send nor receive ASCII events
(such as prints or keystrokes). Therefore we will not have any service
interrupts originating from keystrokes.
Theoretically, the only interrupt we should be waiting for in this case
is from the clock.
> Second, if you finally enable the SCLP write mask again, doesn't that
> mean that there could be interrupts pending again afterwards?
Yes. When the write mask is re-enabled for cp_receive mask, we can still
get pending service interrupts originating from keystrokes (or other
external,
ASCII related interruptions). Hopefully the user does not fall asleep
and smack their head on the keyboard during the IPL process. (joking)
Ideally (as it was suggested in a previous review), we should refactor
the consume_sclp_int so we can manually enable / disable service interrupts,
but I think this is a good first step, no?
We also might be able to get away with just not setting the receive mask at
all when we re-enable the write mask. That will prevent any interrupts from
keystrokes.
>
> Thomas
>
--
- Collin L Walling
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 11/12] s390-ccw: clear pending irqs
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 11/12] s390-ccw: clear pending irqs Collin L. Walling
2018-02-06 10:07 ` [Qemu-devel] [qemu-s390x] " Thomas Huth
@ 2018-02-14 10:57 ` David Hildenbrand
2018-02-14 15:33 ` Collin L. Walling
1 sibling, 1 reply; 38+ messages in thread
From: David Hildenbrand @ 2018-02-14 10:57 UTC (permalink / raw)
To: Collin L. Walling, qemu-s390x, qemu-devel
Cc: frankja, thuth, cohuck, alifm, mihajlov, borntraeger, eblake
On 05.02.2018 21:57, Collin L. Walling wrote:
> It is possible while waiting for multiple types of external
> interrupts that we might have pending irqs remaining between
> irq consumption and irq disabling. Those interrupts could
> propagate to the guest after IPL completes and cause unwanted
> behavior.
>
> To avoid this, we clear the write event mask to prevent further
> service interrupts from ASCII events and then consume all pending
> irqs for a miniscule duration. Once finished, we reset the write
> event mask and resume business as usual.
>
> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
> ---
> pc-bios/s390-ccw/menu.c | 16 ++++++++++++++++
> pc-bios/s390-ccw/sclp.c | 12 ++++++++++++
> 2 files changed, 28 insertions(+)
>
> diff --git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
> index 85d285f..971f6b6 100644
> --- a/pc-bios/s390-ccw/menu.c
> +++ b/pc-bios/s390-ccw/menu.c
> @@ -64,6 +64,20 @@ static inline bool check_clock_int(void)
> return *code == 0x1004;
> }
>
> +static void clear_pending_irqs(void)
> +{
> + uint64_t time = 50 * TOD_CLOCK_SECOND / 0x3e8;
> +
> + sclp_clear_write_mask();
> +
> + set_clock_comparator(get_clock() + time);
> + enable_clock_int();
> + consume_sclp_int();
> + disable_clock_int();
> +
> + sclp_setup(); /* re-enable write mask */
> +}
> +
> static int read_prompt(char *buf, size_t len)
> {
> char inp[2] = {};
> @@ -165,6 +179,8 @@ static int get_boot_index(int entries)
> sclp_print("\nBooting entry #");
> sclp_print(itostr(boot_index, tmp, sizeof(tmp)));
>
> + clear_pending_irqs();
> +
> return boot_index;
> }
>
> diff --git a/pc-bios/s390-ccw/sclp.c b/pc-bios/s390-ccw/sclp.c
> index 5902d5b..025eb2d 100644
> --- a/pc-bios/s390-ccw/sclp.c
> +++ b/pc-bios/s390-ccw/sclp.c
> @@ -46,6 +46,18 @@ static int sclp_service_call(unsigned int command, void *sccb)
> return 0;
> }
>
> +void sclp_clear_write_mask(void)
> +{
> + WriteEventMask *sccb = (void *)_sccb;
> +
> + sccb->h.length = sizeof(WriteEventMask);
> + sccb->mask_length = sizeof(unsigned int);
> + sccb->cp_receive_mask = 0;
> + sccb->cp_send_mask = 0;
> +
> + sclp_service_call(SCLP_CMD_WRITE_EVENT_MASK, sccb);
> +}
> +
> static void sclp_set_write_mask(void)
> {
> WriteEventMask *sccb = (void *)_sccb;
>
1. CKC interrupts can be cleared by resetting the CKC
2. SCLP interrupts can be cleared only via delivery (apart from CPU reset)
So if you have CKC and SCLP pending at the same time, you get the CKC
delivered first and the SCLP remains pending.
Now, the easiest way to clear that (if you don't know if any is
pending!) is to simply print a string. Then you know that you have
exactly one SCLP interrupt pending.
So simply printing a string after potentially reading should be
sufficient to clear the SCLP interrupt deterministically :)
--
Thanks,
David / dhildenb
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 11/12] s390-ccw: clear pending irqs
2018-02-14 10:57 ` David Hildenbrand
@ 2018-02-14 15:33 ` Collin L. Walling
2018-02-15 7:04 ` Thomas Huth
0 siblings, 1 reply; 38+ messages in thread
From: Collin L. Walling @ 2018-02-14 15:33 UTC (permalink / raw)
To: David Hildenbrand, qemu-s390x, qemu-devel
Cc: frankja, thuth, cohuck, alifm, mihajlov, borntraeger, eblake
On 02/14/2018 05:57 AM, David Hildenbrand wrote:
> On 05.02.2018 21:57, Collin L. Walling wrote:
>> It is possible while waiting for multiple types of external
>> interrupts that we might have pending irqs remaining between
>> irq consumption and irq disabling. Those interrupts could
>> propagate to the guest after IPL completes and cause unwanted
>> behavior.
>>
>> To avoid this, we clear the write event mask to prevent further
>> service interrupts from ASCII events and then consume all pending
>> irqs for a miniscule duration. Once finished, we reset the write
>> event mask and resume business as usual.
>>
>> Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
>> ---
>> pc-bios/s390-ccw/menu.c | 16 ++++++++++++++++
>> pc-bios/s390-ccw/sclp.c | 12 ++++++++++++
>> 2 files changed, 28 insertions(+)
>>
>> diff --git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
>> index 85d285f..971f6b6 100644
>> --- a/pc-bios/s390-ccw/menu.c
>> +++ b/pc-bios/s390-ccw/menu.c
>> @@ -64,6 +64,20 @@ static inline bool check_clock_int(void)
>> return *code == 0x1004;
>> }
>>
>> +static void clear_pending_irqs(void)
>> +{
>> + uint64_t time = 50 * TOD_CLOCK_SECOND / 0x3e8;
>> +
>> + sclp_clear_write_mask();
>> +
>> + set_clock_comparator(get_clock() + time);
>> + enable_clock_int();
>> + consume_sclp_int();
>> + disable_clock_int();
>> +
>> + sclp_setup(); /* re-enable write mask */
>> +}
>> +
>> static int read_prompt(char *buf, size_t len)
>> {
>> char inp[2] = {};
>> @@ -165,6 +179,8 @@ static int get_boot_index(int entries)
>> sclp_print("\nBooting entry #");
>> sclp_print(itostr(boot_index, tmp, sizeof(tmp)));
>>
>> + clear_pending_irqs();
>> +
>> return boot_index;
>> }
>>
>> diff --git a/pc-bios/s390-ccw/sclp.c b/pc-bios/s390-ccw/sclp.c
>> index 5902d5b..025eb2d 100644
>> --- a/pc-bios/s390-ccw/sclp.c
>> +++ b/pc-bios/s390-ccw/sclp.c
>> @@ -46,6 +46,18 @@ static int sclp_service_call(unsigned int command, void *sccb)
>> return 0;
>> }
>>
>> +void sclp_clear_write_mask(void)
>> +{
>> + WriteEventMask *sccb = (void *)_sccb;
>> +
>> + sccb->h.length = sizeof(WriteEventMask);
>> + sccb->mask_length = sizeof(unsigned int);
>> + sccb->cp_receive_mask = 0;
>> + sccb->cp_send_mask = 0;
>> +
>> + sclp_service_call(SCLP_CMD_WRITE_EVENT_MASK, sccb);
>> +}
>> +
>> static void sclp_set_write_mask(void)
>> {
>> WriteEventMask *sccb = (void *)_sccb;
>>
> 1. CKC interrupts can be cleared by resetting the CKC
> 2. SCLP interrupts can be cleared only via delivery (apart from CPU reset)
>
> So if you have CKC and SCLP pending at the same time, you get the CKC
> delivered first and the SCLP remains pending.
>
> Now, the easiest way to clear that (if you don't know if any is
> pending!) is to simply print a string. Then you know that you have
> exactly one SCLP interrupt pending.
>
> So simply printing a string after potentially reading should be
> sufficient to clear the SCLP interrupt deterministically :)
>
Perhaps it is due to my lack of understanding of how irqs are queued,
but is it
possible that we could still end up with service interrupts pending in
the SCLP?
Specifically if we're still accepting external interrupts from
keystrokes but we
aren't reading anything from the SCLP.
Let's say we have 1 service signal pending and we go to print something.
This
executes the sclp service call instruction and generates a new service
signal.
The SCLP would consume one of the service interrupts and write to the
console.
We still have 1 interrupt pending that we need to deal with.
That 1 pending interrupt could have been generated at any time we're still
listening to activity from the keyboard.
In my next update to this patch, I setup the control program receive mask in
the SCLP only when we need to get input from the user and then clear the
mask
when we're done. Doing so will make it so we generate an interrupt from
keystrokes ONLY when the mask is set. No external interrupts from
keystrokes
will be generated when the cp_receive mask is NOT set.
After I clear the cp_receive mask, we consume any leftover interrupts by
calling consume_sclp_int (I also fixup the patch to make sure we only end
irq-clearing on a ckc interrupt -- oops).
Am I at least in the ballpark regarding the problem this patch aims to
solve?
--
- Collin L Walling
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 11/12] s390-ccw: clear pending irqs
2018-02-14 15:33 ` Collin L. Walling
@ 2018-02-15 7:04 ` Thomas Huth
2018-02-15 15:47 ` Collin L. Walling
0 siblings, 1 reply; 38+ messages in thread
From: Thomas Huth @ 2018-02-15 7:04 UTC (permalink / raw)
To: Collin L. Walling, David Hildenbrand, qemu-s390x, qemu-devel
Cc: frankja, cohuck, alifm, mihajlov, borntraeger, eblake
On 14.02.2018 16:33, Collin L. Walling wrote:
> On 02/14/2018 05:57 AM, David Hildenbrand wrote:
[...]
>> 1. CKC interrupts can be cleared by resetting the CKC
>> 2. SCLP interrupts can be cleared only via delivery (apart from CPU
>> reset)
>>
>> So if you have CKC and SCLP pending at the same time, you get the CKC
>> delivered first and the SCLP remains pending.
>>
>> Now, the easiest way to clear that (if you don't know if any is
>> pending!) is to simply print a string. Then you know that you have
>> exactly one SCLP interrupt pending.
>>
>> So simply printing a string after potentially reading should be
>> sufficient to clear the SCLP interrupt deterministically :)
>
> Perhaps it is due to my lack of understanding of how irqs are queued,
> but is it
> possible that we could still end up with service interrupts pending in
> the SCLP?
> Specifically if we're still accepting external interrupts from
> keystrokes but we
> aren't reading anything from the SCLP.
>
> Let's say we have 1 service signal pending and we go to print something.
> This
> executes the sclp service call instruction and generates a new service
> signal.
> The SCLP would consume one of the service interrupts and write to the
> console.
> We still have 1 interrupt pending that we need to deal with.
>
> That 1 pending interrupt could have been generated at any time we're still
> listening to activity from the keyboard.
There is no "queue" or something like this for service interrupts.
Either one service interrupt is pending, or it is not. Have a look at
arch/s390/kvm/interrupt.c in the Linux kernel sources and search for the
functions __deliver_service() and __inject_service() for example.
> In my next update to this patch, I setup the control program receive
> mask in
> the SCLP only when we need to get input from the user and then clear the
> mask
> when we're done. Doing so will make it so we generate an interrupt from
> keystrokes ONLY when the mask is set. No external interrupts from
> keystrokes
> will be generated when the cp_receive mask is NOT set.
>
> After I clear the cp_receive mask, we consume any leftover interrupts by
> calling consume_sclp_int (I also fixup the patch to make sure we only end
> irq-clearing on a ckc interrupt -- oops).
Not sure whether you really have to deal with the ckc here again to get
rid of pending service interrupts... David's idea to simply print out
something to clear the pending service interrupt sounds easier to me.
Thomas
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 11/12] s390-ccw: clear pending irqs
2018-02-15 7:04 ` Thomas Huth
@ 2018-02-15 15:47 ` Collin L. Walling
2018-02-15 16:12 ` David Hildenbrand
0 siblings, 1 reply; 38+ messages in thread
From: Collin L. Walling @ 2018-02-15 15:47 UTC (permalink / raw)
To: Thomas Huth, David Hildenbrand, qemu-s390x, qemu-devel
Cc: frankja, cohuck, alifm, mihajlov, borntraeger
On 02/15/2018 02:04 AM, Thomas Huth wrote:
> On 14.02.2018 16:33, Collin L. Walling wrote:
>> On 02/14/2018 05:57 AM, David Hildenbrand wrote:
> [...]
>>> 1. CKC interrupts can be cleared by resetting the CKC
>>> 2. SCLP interrupts can be cleared only via delivery (apart from CPU
>>> reset)
>>>
>>> So if you have CKC and SCLP pending at the same time, you get the CKC
>>> delivered first and the SCLP remains pending.
>>>
>>> Now, the easiest way to clear that (if you don't know if any is
>>> pending!) is to simply print a string. Then you know that you have
>>> exactly one SCLP interrupt pending.
>>>
>>> So simply printing a string after potentially reading should be
>>> sufficient to clear the SCLP interrupt deterministically :)
>> Perhaps it is due to my lack of understanding of how irqs are queued,
>> but is it
>> possible that we could still end up with service interrupts pending in
>> the SCLP?
>> Specifically if we're still accepting external interrupts from
>> keystrokes but we
>> aren't reading anything from the SCLP.
>>
>> Let's say we have 1 service signal pending and we go to print something.
>> This
>> executes the sclp service call instruction and generates a new service
>> signal.
>> The SCLP would consume one of the service interrupts and write to the
>> console.
>> We still have 1 interrupt pending that we need to deal with.
>>
>> That 1 pending interrupt could have been generated at any time we're still
>> listening to activity from the keyboard.
> There is no "queue" or something like this for service interrupts.
> Either one service interrupt is pending, or it is not. Have a look at
> arch/s390/kvm/interrupt.c in the Linux kernel sources and search for the
> functions __deliver_service() and __inject_service() for example.
>
>> In my next update to this patch, I setup the control program receive
>> mask in
>> the SCLP only when we need to get input from the user and then clear the
>> mask
>> when we're done. Doing so will make it so we generate an interrupt from
>> keystrokes ONLY when the mask is set. No external interrupts from
>> keystrokes
>> will be generated when the cp_receive mask is NOT set.
>>
>> After I clear the cp_receive mask, we consume any leftover interrupts by
>> calling consume_sclp_int (I also fixup the patch to make sure we only end
>> irq-clearing on a ckc interrupt -- oops).
> Not sure whether you really have to deal with the ckc here again to get
> rid of pending service interrupts... David's idea to simply print out
> something to clear the pending service interrupt sounds easier to me.
>
> Thomas
>
Ah, I understand the problem now. We can't have a multiple irqs of the
*same* *type*
pending at the same time, but we /can/ have multiple irqs of *different*
*types* pending
at the same time (i.e. a ckc and service signal).
Thanks for clearing this up for me. I was over thinking the problem and
I agree that
a print would be the easiest solution. :)
--
- Collin L Walling
^ permalink raw reply [flat|nested] 38+ messages in thread
* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 11/12] s390-ccw: clear pending irqs
2018-02-15 15:47 ` Collin L. Walling
@ 2018-02-15 16:12 ` David Hildenbrand
0 siblings, 0 replies; 38+ messages in thread
From: David Hildenbrand @ 2018-02-15 16:12 UTC (permalink / raw)
To: Collin L. Walling, Thomas Huth, qemu-s390x, qemu-devel
Cc: frankja, cohuck, alifm, mihajlov, borntraeger
>
> Ah, I understand the problem now. We can't have a multiple irqs of the
> *same* *type*
> pending at the same time, but we /can/ have multiple irqs of *different*
> *types* pending
> at the same time (i.e. a ckc and service signal).
Indeed, at least for these types of external interrupts.
(if I remember correctly, previous TCG versions did this wrong but I
fixed it :) )
>
> Thanks for clearing this up for me. I was over thinking the problem and
> I agree that
> a print would be the easiest solution. :)
>
--
Thanks,
David / dhildenb
^ permalink raw reply [flat|nested] 38+ messages in thread
* [Qemu-devel] [PATCH v5 12/12] s390-ccw: interactive boot menu for scsi
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (10 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 11/12] s390-ccw: clear pending irqs Collin L. Walling
@ 2018-02-05 20:57 ` Collin L. Walling
2018-02-05 21:20 ` [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x no-reply
12 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 20:57 UTC (permalink / raw)
To: qemu-s390x, qemu-devel
Cc: borntraeger, frankja, cohuck, thuth, david, alifm, eblake, mihajlov
Interactive boot menu for scsi. This follows a similar procedure
as the interactive menu for eckd dasd. An example follows:
s390x Enumerated Boot Menu.
3 entries detected. Select from index 0 to 2.
Signed-off-by: Collin L. Walling <walling@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
pc-bios/s390-ccw/bootmap.c | 4 ++++
pc-bios/s390-ccw/main.c | 1 +
| 14 ++++++++++++++
| 1 +
4 files changed, 20 insertions(+)
diff --git a/pc-bios/s390-ccw/bootmap.c b/pc-bios/s390-ccw/bootmap.c
index adbef41..13b2936 100644
--- a/pc-bios/s390-ccw/bootmap.c
+++ b/pc-bios/s390-ccw/bootmap.c
@@ -567,6 +567,10 @@ static void ipl_scsi(void)
debug_print_int("program table entries", program_table_entries);
+ if (menu_check_flags(BOOT_MENU_FLAG_CMD_OPTS)) {
+ loadparm = menu_get_enum_boot_index(program_table_entries);
+ }
+
zipl_run(&bmt->bte[loadparm].scsi); /* no return */
}
diff --git a/pc-bios/s390-ccw/main.c b/pc-bios/s390-ccw/main.c
index 76d58cc..3548cd4 100644
--- a/pc-bios/s390-ccw/main.c
+++ b/pc-bios/s390-ccw/main.c
@@ -92,6 +92,7 @@ static void menu_setup(void)
switch (iplb.pbt) {
case S390_IPL_TYPE_CCW:
+ case S390_IPL_TYPE_QEMU_SCSI:
menu_set_parms(qipl.boot_menu_flags, qipl.boot_menu_timeout);
return;
}
--git a/pc-bios/s390-ccw/menu.c b/pc-bios/s390-ccw/menu.c
index 971f6b6..41a59e3 100644
--- a/pc-bios/s390-ccw/menu.c
+++ b/pc-bios/s390-ccw/menu.c
@@ -226,6 +226,20 @@ int menu_get_zipl_boot_index(const void *stage2, int offset)
return get_boot_index(ct - 1);
}
+int menu_get_enum_boot_index(int entries)
+{
+ char tmp[4];
+
+ sclp_print("s390x Enumerated Boot Menu.\n\n");
+
+ sclp_print(itostr(entries, tmp, sizeof(tmp)));
+ sclp_print(" entries detected. Select from boot index 0 to ");
+ sclp_print(itostr(entries - 1, tmp, sizeof(tmp)));
+ sclp_print(".\n\n");
+
+ return get_boot_index(entries);
+}
+
void menu_set_parms(uint8_t boot_menu_flag, uint16_t boot_menu_timeout)
{
flags = boot_menu_flag;
--git a/pc-bios/s390-ccw/menu.h b/pc-bios/s390-ccw/menu.h
index e8e042f..c08e4cf 100644
--- a/pc-bios/s390-ccw/menu.h
+++ b/pc-bios/s390-ccw/menu.h
@@ -18,6 +18,7 @@
#define BOOT_MENU_FLAG_ZIPL_OPTS 0x40
int menu_get_zipl_boot_index(const void *stage2, int offset);
+int menu_get_enum_boot_index(int entries);
void menu_set_parms(uint8_t boot_menu_flags, uint16_t boot_menu_timeout);
bool menu_check_flags(uint8_t check_flags);
--
2.7.4
^ permalink raw reply related [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x
2018-02-05 20:57 [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x Collin L. Walling
` (11 preceding siblings ...)
2018-02-05 20:57 ` [Qemu-devel] [PATCH v5 12/12] s390-ccw: interactive boot menu for scsi Collin L. Walling
@ 2018-02-05 21:20 ` no-reply
2018-02-05 21:37 ` [Qemu-devel] [qemu-s390x] " Collin L. Walling
12 siblings, 1 reply; 38+ messages in thread
From: no-reply @ 2018-02-05 21:20 UTC (permalink / raw)
To: walling
Cc: famz, qemu-s390x, qemu-devel, frankja, thuth, cohuck, david,
alifm, mihajlov, borntraeger
Hi,
This series failed build test on s390x host. Please find the details below.
Type: series
Message-id: 1517864246-11101-1-git-send-email-walling@linux.vnet.ibm.com
Subject: [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x
=== TEST SCRIPT BEGIN ===
#!/bin/bash
# Testing script will be invoked under the git checkout with
# HEAD pointing to a commit that has the patches applied on top of "base"
# branch
set -e
echo "=== ENV ==="
env
echo "=== PACKAGES ==="
rpm -qa
echo "=== TEST BEGIN ==="
CC=$HOME/bin/cc
INSTALL=$PWD/install
BUILD=$PWD/build
echo -n "Using CC: "
realpath $CC
mkdir -p $BUILD $INSTALL
SRC=$PWD
cd $BUILD
$SRC/configure --cc=$CC --prefix=$INSTALL
make -j4
# XXX: we need reliable clean up
# make check -j4 V=1
make install
=== TEST SCRIPT END ===
Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384
From https://github.com/patchew-project/qemu
* [new tag] patchew/1517864246-11101-1-git-send-email-walling@linux.vnet.ibm.com -> patchew/1517864246-11101-1-git-send-email-walling@linux.vnet.ibm.com
Switched to a new branch 'test'
62a8a2cb1d s390-ccw: interactive boot menu for scsi
6ae605b46e s390-ccw: clear pending irqs
41f8d80e3c s390-ccw: read user input for boot index via the SCLP console
1c827c66f3 s390-ccw: print zipl boot menu
20872fe789 s390-ccw: read stage2 boot loader data to find menu
92c2de8e19 s390-ccw: set up interactive boot menu parameters
88b3898730 s390-ccw: parse and set boot menu options
d4698e3763 s390-ccw: move auxiliary IPL data to separate location
bbf45dfd08 s390-ccw: update libc
9546618535 s390-ccw: refactor IPL structs
60b23ff345 s390-ccw: refactor eckd_block_num to use CHS
9f14d79518 s390-ccw: refactor boot map table code
=== OUTPUT BEGIN ===
=== ENV ===
LANG=en_US.UTF-8
XDG_SESSION_ID=42782
USER=fam
PWD=/var/tmp/patchew-tester-tmp-k5bn7h1w/src
HOME=/home/fam
SHELL=/bin/sh
SHLVL=2
PATCHEW=/home/fam/patchew/patchew-cli -s http://patchew.org --nodebug
LOGNAME=fam
DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1012/bus
XDG_RUNTIME_DIR=/run/user/1012
PATH=/usr/bin:/bin
_=/usr/bin/env
=== PACKAGES ===
gpg-pubkey-873529b8-54e386ff
glibc-debuginfo-common-2.24-10.fc25.s390x
fedora-release-26-1.noarch
dejavu-sans-mono-fonts-2.35-4.fc26.noarch
xemacs-filesystem-21.5.34-22.20170124hgf412e9f093d4.fc26.noarch
bash-4.4.12-7.fc26.s390x
freetype-2.7.1-9.fc26.s390x
libSM-1.2.2-5.fc26.s390x
libmpc-1.0.2-6.fc26.s390x
libaio-0.3.110-7.fc26.s390x
libverto-0.2.6-7.fc26.s390x
perl-Scalar-List-Utils-1.48-1.fc26.s390x
iptables-libs-1.6.1-2.fc26.s390x
perl-threads-shared-1.57-1.fc26.s390x
p11-kit-trust-0.23.9-2.fc26.s390x
tcl-8.6.6-2.fc26.s390x
libxshmfence-1.2-4.fc26.s390x
expect-5.45-23.fc26.s390x
perl-Thread-Queue-3.12-1.fc26.noarch
perl-encoding-2.19-6.fc26.s390x
keyutils-1.5.10-1.fc26.s390x
gmp-devel-6.1.2-4.fc26.s390x
enchant-1.6.0-16.fc26.s390x
net-snmp-libs-5.7.3-17.fc26.s390x
python-gobject-base-3.24.1-1.fc26.s390x
python3-distro-1.0.3-1.fc26.noarch
python3-enchant-1.6.10-1.fc26.noarch
python-lockfile-0.11.0-6.fc26.noarch
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mesa-libwayland-egl-17.2.4-2.fc26.s390x
procps-ng-3.3.10-13.fc26.s390x
mesa-libglapi-17.2.4-2.fc26.s390x
perl-Unicode-Normalize-1.25-366.fc26.s390x
perl-IO-Socket-IP-0.39-1.fc26.noarch
hunspell-en-US-0.20140811.1-6.fc26.noarch
libxcb-1.12-3.fc26.s390x
libgo-devel-7.2.1-2.fc26.s390x
perl-Pod-Escapes-1.07-366.fc26.noarch
perl-Pod-Usage-1.69-2.fc26.noarch
libtheora-1.1.1-15.fc26.s390x
tcp_wrappers-7.6-85.fc26.s390x
coreutils-8.27-7.fc26.s390x
libmount-2.30.2-1.fc26.s390x
python2-iniparse-0.4-24.fc26.noarch
python2-decorator-4.0.11-2.fc26.noarch
ModemManager-glib-1.6.10-1.fc26.s390x
python3-decorator-4.0.11-2.fc26.noarch
python3-cffi-1.9.1-2.fc26.s390x
python-bugzilla-cli-2.1.0-1.fc26.noarch
python2-funcsigs-1.0.2-5.fc26.noarch
python2-babel-2.3.4-5.fc26.noarch
python-bugzilla-2.1.0-1.fc26.noarch
libradosstriper1-10.2.7-2.fc26.s390x
snappy-1.1.4-3.fc26.s390x
dtc-1.4.5-1.fc26.s390x
libmpcdec-1.2.6-17.fc26.s390x
rpm-libs-4.13.0.2-1.fc26.s390x
python-urlgrabber-3.10.1-11.fc26.noarch
sysfsutils-2.1.0-20.fc26.s390x
python3-hawkey-0.11.1-1.fc26.s390x
python3-dnf-plugins-core-2.1.5-1.fc26.noarch
ethtool-4.13-1.fc26.s390x
iputils-20161105-5.fc26.s390x
plymouth-scripts-0.9.3-0.7.20160620git0e65b86c.fc26.s390x
cronie-1.5.1-5.fc26.s390x
libini_config-1.3.1-34.fc26.s390x
libX11-1.6.5-2.fc26.s390x
libglvnd-egl-1.0.0-1.fc26.s390x
texlive-kpathsea-svn41139-33.fc26.2.noarch
texlive-thumbpdf-bin-svn6898.0-33.20160520.fc26.2.noarch
texlive-subfig-svn15878.1.3-33.fc26.2.noarch
texlive-gsftopk-bin-svn40473-33.20160520.fc26.2.s390x
texlive-tex-ini-files-svn40533-33.fc26.2.noarch
texlive-qstest-svn15878.0-33.fc26.2.noarch
texlive-palatino-svn31835.0-33.fc26.2.noarch
texlive-ec-svn25033.1.0-33.fc26.2.noarch
texlive-iftex-svn29654.0.2-33.fc26.2.noarch
texlive-pslatex-svn16416.0-33.fc26.2.noarch
texlive-algorithms-svn38085.0.1-33.fc26.2.noarch
texlive-filehook-svn24280.0.5d-33.fc26.2.noarch
texlive-pst-node-svn40743-33.fc26.2.noarch
texlive-rotating-svn16832.2.16b-33.fc26.2.noarch
texlive-seminar-svn34011.1.62-33.fc26.2.noarch
gtk3-3.22.21-2.fc26.s390x
libuuid-devel-2.30.2-1.fc26.s390x
java-1.8.0-openjdk-1.8.0.151-1.b12.fc26.s390x
libXinerama-devel-1.1.3-7.fc26.s390x
emacs-common-25.3-3.fc26.s390x
gtk3-devel-3.22.21-2.fc26.s390x
fedora-packager-0.6.0.1-2.fc26.noarch
libxml2-devel-2.9.4-2.fc26.s390x
snappy-devel-1.1.4-3.fc26.s390x
python2-dnf-plugin-migrate-2.1.5-1.fc26.noarch
authconfig-7.0.1-2.fc26.s390x
newt-python3-0.52.20-1.fc26.s390x
python-decoratortools-1.8-13.fc26.noarch
python-systemd-doc-234-1.fc26.s390x
openssl-libs-1.1.0g-1.fc26.s390x
git-core-2.13.6-2.fc26.s390x
python3-dnf-plugin-system-upgrade-2.0.4-1.fc26.noarch
glusterfs-libs-3.10.8-1.fc26.s390x
ca-certificates-2017.2.20-1.0.fc26.noarch
unbound-libs-1.6.7-1.fc26.s390x
libsss_certmap-1.16.0-4.fc26.s390x
glusterfs-api-devel-3.10.8-1.fc26.s390x
selinux-policy-targeted-3.13.1-260.17.fc26.noarch
publicsuffix-list-dafsa-20171028-1.fc26.noarch
gpg-pubkey-a0a7badb-52844296
gpg-pubkey-e372e838-56fd7943
gpg-pubkey-3b921d09-57a87096
google-roboto-slab-fonts-1.100263-0.5.20150923git.fc26.noarch
libreport-filesystem-2.9.1-3.fc26.s390x
glibc-all-langpacks-2.25-12.fc26.s390x
libcom_err-1.43.4-2.fc26.s390x
libffi-3.1-12.fc26.s390x
keyutils-libs-1.5.10-1.fc26.s390x
diffutils-3.5-3.fc26.s390x
apr-util-1.5.4-6.fc26.s390x
bluez-libs-5.46-6.fc26.s390x
libksba-1.3.5-3.fc26.s390x
ncurses-6.0-8.20170212.fc26.s390x
gsm-1.0.17-1.fc26.s390x
libteam-1.27-1.fc26.s390x
perl-Fedora-VSP-0.001-5.fc26.noarch
libusb-0.1.5-8.fc26.s390x
acl-2.2.52-15.fc26.s390x
dwz-0.12-3.fc26.s390x
libblkid-2.30.2-1.fc26.s390x
polkit-libs-0.113-8.fc26.s390x
dbus-python-1.2.4-6.fc26.s390x
gts-0.7.6-30.20121130.fc26.s390x
libfdisk-2.30.2-1.fc26.s390x
python3-pycparser-2.14-10.fc26.noarch
python3-bugzilla-2.1.0-1.fc26.noarch
python2-docutils-0.13.1-4.fc26.noarch
pytz-2016.10-4.fc26.noarch
python2-requests-2.13.0-1.fc26.noarch
libcephfs-devel-10.2.7-2.fc26.s390x
ncurses-c++-libs-6.0-8.20170212.fc26.s390x
GeoIP-1.6.11-1.fc26.s390x
liblockfile-1.09-5.fc26.s390x
rpm-plugin-selinux-4.13.0.2-1.fc26.s390x
systemtap-devel-3.2-2.fc26.s390x
libsysfs-2.1.0-20.fc26.s390x
libdnf-0.11.1-1.fc26.s390x
libgfortran-7.2.1-2.fc26.s390x
mesa-libgbm-17.2.4-2.fc26.s390x
dracut-046-3.1.fc26.s390x
lvm2-libs-2.02.168-6.fc26.s390x
libXfixes-5.0.3-2.fc26.s390x
brlapi-0.6.6-5.fc26.s390x
texlive-metafont-svn40793-33.fc26.2.noarch
texlive-graphics-cfg-svn40269-33.fc26.2.noarch
texlive-mptopdf-svn41282-33.fc26.2.noarch
texlive-makeindex-bin-svn40473-33.20160520.fc26.2.s390x
texlive-texlive-scripts-bin-svn29741.0-33.20160520.fc26.2.noarch
texlive-sauerj-svn15878.0-33.fc26.2.noarch
texlive-txfonts-svn15878.0-33.fc26.2.noarch
texlive-filecontents-svn24250.1.3-33.fc26.2.noarch
texlive-lualibs-svn40370-33.fc26.2.noarch
texlive-section-svn20180.0-33.fc26.2.noarch
texlive-ucharcat-svn38907-33.fc26.2.noarch
texlive-hyperref-svn41396-33.fc26.2.noarch
texlive-pst-3d-svn17257.1.10-33.fc26.2.noarch
texlive-oberdiek-svn41346-33.fc26.2.noarch
texlive-ae-svn15878.1.4-33.fc26.2.noarch
texlive-collection-basic-svn41149-33.20160520.fc26.2.noarch
gnat-srpm-macros-4-2.fc26.noarch
glib2-devel-2.52.3-2.fc26.s390x
netpbm-progs-10.80.00-2.fc26.s390x
libXxf86vm-devel-1.1.4-4.fc26.s390x
nettle-devel-3.3-2.fc26.s390x
cairo-gobject-devel-1.14.10-1.fc26.s390x
fedora-rpm-macros-26-2.fc26.noarch
elfutils-devel-0.169-1.fc26.s390x
libidn-devel-1.33-2.fc26.s390x
s390utils-1.36.1-3.fc26.s390x
gcc-gfortran-7.2.1-2.fc26.s390x
libtool-2.4.6-17.fc26.s390x
python3-cssselect-0.9.2-4.fc26.noarch
python2-cssselect-0.9.2-4.fc26.noarch
bison-3.0.4-6.fc26.s390x
rootfiles-8.1-20.fc26.noarch
git-core-doc-2.13.6-2.fc26.s390x
vim-enhanced-8.0.1360-1.fc26.s390x
glusterfs-3.10.8-1.fc26.s390x
boost-system-1.63.0-10.fc26.s390x
gnutls-dane-3.5.16-4.fc26.s390x
pkgconf-m4-1.3.12-1.fc26.noarch
libcurl-devel-7.53.1-13.fc26.s390x
python3-urllib3-1.20-2.fc26.noarch
libsss_autofs-1.16.0-4.fc26.s390x
=== TEST BEGIN ===
Using CC: /home/fam/bin/cc
Install prefix /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install
BIOS directory /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/share/qemu
firmware path /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/share/qemu-firmware
binary directory /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/bin
library directory /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/lib
module directory /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/lib/qemu
libexec directory /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/libexec
include directory /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/include
config directory /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/etc
local state directory /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/var
Manual directory /var/tmp/patchew-tester-tmp-k5bn7h1w/src/install/share/man
ELF interp prefix /usr/gnemul/qemu-%M
Source path /var/tmp/patchew-tester-tmp-k5bn7h1w/src
GIT binary git
GIT submodules ui/keycodemapdb capstone
C compiler /home/fam/bin/cc
Host C compiler cc
C++ compiler c++
Objective-C compiler /home/fam/bin/cc
ARFLAGS rv
CFLAGS -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -g
QEMU_CFLAGS -I/usr/include/pixman-1 -Werror -DHAS_LIBSSH2_SFTP_FSYNC -pthread -I/usr/include/glib-2.0 -I/usr/lib64/glib-2.0/include -DNCURSES_WIDECHAR -D_GNU_SOURCE -D_DEFAULT_SOURCE -m64 -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -Wstrict-prototypes -Wredundant-decls -Wall -Wundef -Wwrite-strings -Wmissing-prototypes -fno-strict-aliasing -fno-common -fwrapv -Wexpansion-to-defined -Wendif-labels -Wno-shift-negative-value -Wno-missing-include-dirs -Wempty-body -Wnested-externs -Wformat-security -Wformat-y2k -Winit-self -Wignored-qualifiers -Wold-style-declaration -Wold-style-definition -Wtype-limits -fstack-protector-strong -I/usr/include/p11-kit-1 -I/usr/include/libpng16 -I/usr/include/libdrm -I$(SRC_PATH)/capstone/include
LDFLAGS -Wl,--warn-common -m64 -g
make make
install install
python python -B
smbd /usr/sbin/smbd
module support no
host CPU s390x
host big endian yes
target list aarch64-softmmu alpha-softmmu arm-softmmu cris-softmmu hppa-softmmu i386-softmmu lm32-softmmu m68k-softmmu microblazeel-softmmu microblaze-softmmu mips64el-softmmu mips64-softmmu mipsel-softmmu mips-softmmu moxie-softmmu nios2-softmmu or1k-softmmu ppc64-softmmu ppcemb-softmmu ppc-softmmu s390x-softmmu sh4eb-softmmu sh4-softmmu sparc64-softmmu sparc-softmmu tricore-softmmu unicore32-softmmu x86_64-softmmu xtensaeb-softmmu xtensa-softmmu aarch64_be-linux-user aarch64-linux-user alpha-linux-user armeb-linux-user arm-linux-user cris-linux-user hppa-linux-user i386-linux-user m68k-linux-user microblazeel-linux-user microblaze-linux-user mips64el-linux-user mips64-linux-user mipsel-linux-user mips-linux-user mipsn32el-linux-user mipsn32-linux-user nios2-linux-user or1k-linux-user ppc64abi32-linux-user ppc64le-linux-user ppc64-linux-user ppc-linux-user s390x-linux-user sh4eb-linux-user sh4-linux-user sparc32plus-linux-user sparc64-linux-user sparc-linux-user tilegx-linux-user x86_64-linux-user
gprof enabled no
sparse enabled no
strip binaries yes
profiler no
static build no
SDL support yes (2.0.7)
GTK support yes (3.22.21)
GTK GL support yes
VTE support yes (0.48.4)
TLS priority NORMAL
GNUTLS support yes
GNUTLS rnd yes
libgcrypt no
libgcrypt kdf no
nettle yes (3.3)
nettle kdf yes
libtasn1 yes
curses support yes
virgl support yes
curl support yes
mingw32 support no
Audio drivers oss
Block whitelist (rw)
Block whitelist (ro)
VirtFS support yes
Multipath support no
VNC support yes
VNC SASL support yes
VNC JPEG support yes
VNC PNG support yes
xen support no
brlapi support yes
bluez support yes
Documentation yes
PIE no
vde support no
netmap support no
Linux AIO support yes
ATTR/XATTR support yes
Install blobs yes
KVM support yes
HAX support no
HVF support no
TCG support yes
TCG debug enabled no
TCG interpreter no
malloc trim support yes
RDMA support no
fdt support yes
preadv support yes
fdatasync yes
madvise yes
posix_madvise yes
libcap-ng support yes
vhost-net support yes
vhost-scsi support yes
vhost-vsock support yes
vhost-user support yes
Trace backends log
spice support no
rbd support yes
xfsctl support no
smartcard support yes
libusb yes
usb net redir yes
OpenGL support yes
OpenGL dmabufs yes
libiscsi support yes
libnfs support yes
build guest agent yes
QGA VSS support no
QGA w32 disk info no
QGA MSI support no
seccomp support yes
coroutine backend ucontext
coroutine pool yes
debug stack usage no
crypto afalg no
GlusterFS support yes
gcov gcov
gcov enabled no
TPM support yes
libssh2 support yes
TPM passthrough no
TPM emulator yes
QOM debugging yes
Live block migration yes
lzo support yes
snappy support yes
bzip2 support yes
NUMA host support no
libxml2 yes
tcmalloc support no
jemalloc support no
avx2 optimization no
replication support yes
VxHS block device no
capstone git
GEN aarch64-softmmu/config-devices.mak.tmp
GEN alpha-softmmu/config-devices.mak.tmp
GEN arm-softmmu/config-devices.mak.tmp
GEN cris-softmmu/config-devices.mak.tmp
GEN cris-softmmu/config-devices.mak
GEN hppa-softmmu/config-devices.mak.tmp
GEN arm-softmmu/config-devices.mak
GEN alpha-softmmu/config-devices.mak
GEN i386-softmmu/config-devices.mak.tmp
GEN aarch64-softmmu/config-devices.mak
GEN lm32-softmmu/config-devices.mak.tmp
GEN m68k-softmmu/config-devices.mak.tmp
GEN lm32-softmmu/config-devices.mak
GEN hppa-softmmu/config-devices.mak
GEN i386-softmmu/config-devices.mak
GEN m68k-softmmu/config-devices.mak
GEN microblazeel-softmmu/config-devices.mak.tmp
GEN microblaze-softmmu/config-devices.mak.tmp
GEN mips64el-softmmu/config-devices.mak.tmp
GEN mips64-softmmu/config-devices.mak.tmp
GEN microblaze-softmmu/config-devices.mak
GEN mipsel-softmmu/config-devices.mak.tmp
GEN microblazeel-softmmu/config-devices.mak
GEN mips-softmmu/config-devices.mak.tmp
GEN mips64el-softmmu/config-devices.mak
GEN moxie-softmmu/config-devices.mak.tmp
GEN mips64-softmmu/config-devices.mak
GEN nios2-softmmu/config-devices.mak.tmp
GEN moxie-softmmu/config-devices.mak
GEN mipsel-softmmu/config-devices.mak
GEN or1k-softmmu/config-devices.mak.tmp
GEN ppc64-softmmu/config-devices.mak.tmp
GEN mips-softmmu/config-devices.mak
GEN ppcemb-softmmu/config-devices.mak.tmp
GEN nios2-softmmu/config-devices.mak
GEN or1k-softmmu/config-devices.mak
GEN ppc-softmmu/config-devices.mak.tmp
GEN s390x-softmmu/config-devices.mak.tmp
GEN ppc64-softmmu/config-devices.mak
GEN s390x-softmmu/config-devices.mak
GEN ppcemb-softmmu/config-devices.mak
GEN sh4eb-softmmu/config-devices.mak.tmp
GEN sh4-softmmu/config-devices.mak.tmp
GEN ppc-softmmu/config-devices.mak
GEN sparc64-softmmu/config-devices.mak.tmp
GEN sparc-softmmu/config-devices.mak.tmp
GEN sh4-softmmu/config-devices.mak
GEN sh4eb-softmmu/config-devices.mak
GEN sparc-softmmu/config-devices.mak
GEN tricore-softmmu/config-devices.mak.tmp
GEN unicore32-softmmu/config-devices.mak.tmp
GEN x86_64-softmmu/config-devices.mak.tmp
GEN sparc64-softmmu/config-devices.mak
GEN xtensaeb-softmmu/config-devices.mak.tmp
GEN tricore-softmmu/config-devices.mak
GEN unicore32-softmmu/config-devices.mak
GEN xtensaeb-softmmu/config-devices.mak
GEN xtensa-softmmu/config-devices.mak.tmp
GEN aarch64_be-linux-user/config-devices.mak.tmp
GEN aarch64-linux-user/config-devices.mak.tmp
GEN x86_64-softmmu/config-devices.mak
GEN alpha-linux-user/config-devices.mak.tmp
GEN xtensa-softmmu/config-devices.mak
GEN aarch64_be-linux-user/config-devices.mak
GEN armeb-linux-user/config-devices.mak.tmp
GEN aarch64-linux-user/config-devices.mak
GEN arm-linux-user/config-devices.mak.tmp
GEN cris-linux-user/config-devices.mak.tmp
GEN armeb-linux-user/config-devices.mak
GEN alpha-linux-user/config-devices.mak
GEN hppa-linux-user/config-devices.mak.tmp
GEN i386-linux-user/config-devices.mak.tmp
GEN arm-linux-user/config-devices.mak
GEN cris-linux-user/config-devices.mak
GEN m68k-linux-user/config-devices.mak.tmp
GEN microblazeel-linux-user/config-devices.mak.tmp
GEN hppa-linux-user/config-devices.mak
GEN i386-linux-user/config-devices.mak
GEN m68k-linux-user/config-devices.mak
GEN microblazeel-linux-user/config-devices.mak
GEN mips64el-linux-user/config-devices.mak.tmp
GEN microblaze-linux-user/config-devices.mak.tmp
GEN mips64-linux-user/config-devices.mak.tmp
GEN mipsel-linux-user/config-devices.mak.tmp
GEN mips64-linux-user/config-devices.mak
GEN mips64el-linux-user/config-devices.mak
GEN mipsel-linux-user/config-devices.mak
GEN microblaze-linux-user/config-devices.mak
GEN mips-linux-user/config-devices.mak.tmp
GEN mipsn32el-linux-user/config-devices.mak.tmp
GEN mipsn32-linux-user/config-devices.mak.tmp
GEN nios2-linux-user/config-devices.mak.tmp
GEN mipsn32el-linux-user/config-devices.mak
GEN mips-linux-user/config-devices.mak
GEN mipsn32-linux-user/config-devices.mak
GEN or1k-linux-user/config-devices.mak.tmp
GEN ppc64abi32-linux-user/config-devices.mak.tmp
GEN ppc64le-linux-user/config-devices.mak.tmp
GEN nios2-linux-user/config-devices.mak
GEN ppc64-linux-user/config-devices.mak.tmp
GEN ppc64le-linux-user/config-devices.mak
GEN ppc64abi32-linux-user/config-devices.mak
GEN ppc64-linux-user/config-devices.mak
GEN or1k-linux-user/config-devices.mak
GEN ppc-linux-user/config-devices.mak.tmp
GEN s390x-linux-user/config-devices.mak.tmp
GEN sh4eb-linux-user/config-devices.mak.tmp
GEN sh4-linux-user/config-devices.mak.tmp
GEN ppc-linux-user/config-devices.mak
GEN s390x-linux-user/config-devices.mak
GEN sparc32plus-linux-user/config-devices.mak.tmp
GEN sh4-linux-user/config-devices.mak
GEN sh4eb-linux-user/config-devices.mak
GEN sparc64-linux-user/config-devices.mak.tmp
GEN sparc-linux-user/config-devices.mak.tmp
GEN tilegx-linux-user/config-devices.mak.tmp
GEN sparc64-linux-user/config-devices.mak
GEN sparc32plus-linux-user/config-devices.mak
GEN x86_64-linux-user/config-devices.mak.tmp
GEN sparc-linux-user/config-devices.mak
GEN tilegx-linux-user/config-devices.mak
GEN config-host.h
GIT ui/keycodemapdb capstone
GEN x86_64-linux-user/config-devices.mak
GEN qemu-options.def
GEN qmp-commands.h
GEN qapi-types.h
GEN qapi-visit.h
GEN qapi-event.h
GEN qmp-marshal.c
GEN qapi-types.c
GEN qapi-visit.c
GEN qapi-event.c
GEN qmp-introspect.h
GEN qmp-introspect.c
GEN trace/generated-tcg-tracers.h
GEN trace/generated-helpers-wrappers.h
GEN trace/generated-helpers.h
GEN trace/generated-helpers.c
GEN module_block.h
GEN tests/test-qapi-types.h
GEN tests/test-qapi-visit.h
GEN tests/test-qmp-commands.h
GEN tests/test-qapi-event.h
GEN tests/test-qmp-introspect.h
GEN trace-root.h
GEN util/trace.h
Submodule 'capstone' (git://git.qemu.org/capstone.git) registered for path 'capstone'
GEN crypto/trace.h
Submodule 'ui/keycodemapdb' (git://git.qemu.org/keycodemapdb.git) registered for path 'ui/keycodemapdb'
GEN io/trace.h
Cloning into '/var/tmp/patchew-tester-tmp-k5bn7h1w/src/capstone'...
GEN migration/trace.h
GEN block/trace.h
GEN chardev/trace.h
GEN hw/block/trace.h
GEN hw/block/dataplane/trace.h
GEN hw/char/trace.h
GEN hw/intc/trace.h
GEN hw/net/trace.h
GEN hw/virtio/trace.h
GEN hw/audio/trace.h
GEN hw/misc/trace.h
GEN hw/usb/trace.h
GEN hw/scsi/trace.h
GEN hw/nvram/trace.h
GEN hw/display/trace.h
GEN hw/input/trace.h
GEN hw/timer/trace.h
GEN hw/dma/trace.h
GEN hw/sparc/trace.h
GEN hw/sparc64/trace.h
GEN hw/sd/trace.h
GEN hw/isa/trace.h
GEN hw/mem/trace.h
GEN hw/i386/trace.h
GEN hw/i386/xen/trace.h
GEN hw/9pfs/trace.h
GEN hw/ppc/trace.h
GEN hw/pci/trace.h
GEN hw/pci-host/trace.h
GEN hw/s390x/trace.h
GEN hw/vfio/trace.h
GEN hw/acpi/trace.h
GEN hw/arm/trace.h
GEN hw/alpha/trace.h
GEN hw/hppa/trace.h
GEN hw/xen/trace.h
GEN hw/ide/trace.h
GEN ui/trace.h
GEN audio/trace.h
GEN net/trace.h
GEN target/arm/trace.h
GEN target/i386/trace.h
GEN target/mips/trace.h
GEN target/sparc/trace.h
GEN target/s390x/trace.h
GEN target/ppc/trace.h
GEN qom/trace.h
GEN linux-user/trace.h
GEN qapi/trace.h
GEN accel/tcg/trace.h
GEN accel/kvm/trace.h
GEN nbd/trace.h
GEN scsi/trace.h
GEN trace-root.c
GEN util/trace.c
GEN crypto/trace.c
GEN io/trace.c
GEN migration/trace.c
GEN block/trace.c
GEN chardev/trace.c
GEN hw/block/trace.c
GEN hw/block/dataplane/trace.c
GEN hw/char/trace.c
GEN hw/intc/trace.c
GEN hw/net/trace.c
GEN hw/virtio/trace.c
GEN hw/audio/trace.c
GEN hw/misc/trace.c
GEN hw/usb/trace.c
GEN hw/scsi/trace.c
GEN hw/nvram/trace.c
GEN hw/display/trace.c
GEN hw/input/trace.c
GEN hw/timer/trace.c
GEN hw/dma/trace.c
GEN hw/sparc/trace.c
GEN hw/sparc64/trace.c
GEN hw/sd/trace.c
GEN hw/isa/trace.c
GEN hw/mem/trace.c
GEN hw/i386/trace.c
GEN hw/i386/xen/trace.c
GEN hw/9pfs/trace.c
GEN hw/ppc/trace.c
GEN hw/pci/trace.c
GEN hw/pci-host/trace.c
GEN hw/s390x/trace.c
GEN hw/vfio/trace.c
GEN hw/acpi/trace.c
GEN hw/arm/trace.c
GEN hw/alpha/trace.c
GEN hw/hppa/trace.c
GEN hw/xen/trace.c
GEN hw/ide/trace.c
GEN ui/trace.c
GEN audio/trace.c
GEN net/trace.c
GEN target/arm/trace.c
GEN target/i386/trace.c
GEN target/mips/trace.c
GEN target/sparc/trace.c
GEN target/s390x/trace.c
GEN target/ppc/trace.c
GEN qom/trace.c
GEN linux-user/trace.c
GEN qapi/trace.c
GEN accel/tcg/trace.c
GEN accel/kvm/trace.c
GEN nbd/trace.c
GEN scsi/trace.c
GEN config-all-devices.mak
Cloning into '/var/tmp/patchew-tester-tmp-k5bn7h1w/src/ui/keycodemapdb'...
GEN ui/input-keymap-atset1-to-qcode.c
GEN ui/input-keymap-linux-to-qcode.c
GEN ui/input-keymap-qcode-to-atset1.c
CC cs.o
GEN ui/input-keymap-qcode-to-atset2.c
GEN ui/input-keymap-qcode-to-atset3.c
GEN ui/input-keymap-qcode-to-linux.c
GEN ui/input-keymap-qcode-to-qnum.c
GEN ui/input-keymap-qcode-to-sun.c
GEN ui/input-keymap-qnum-to-qcode.c
GEN ui/input-keymap-usb-to-qcode.c
GEN ui/input-keymap-win32-to-qcode.c
GEN ui/input-keymap-x11-to-qcode.c
CC utils.o
GEN ui/input-keymap-xorgevdev-to-qcode.c
GEN ui/input-keymap-xorgkbd-to-qcode.c
GEN ui/input-keymap-xorgxquartz-to-qcode.c
GEN ui/input-keymap-xorgxwin-to-qcode.c
CC SStream.o
CC MCInstrDesc.o
CC MCRegisterInfo.o
CC arch/ARM/ARMDisassembler.o
CC arch/ARM/ARMInstPrinter.o
CC arch/ARM/ARMMapping.o
CC arch/ARM/ARMModule.o
CC arch/AArch64/AArch64BaseInfo.o
CC arch/AArch64/AArch64Disassembler.o
CC arch/AArch64/AArch64InstPrinter.o
CC arch/AArch64/AArch64Mapping.o
CC arch/AArch64/AArch64Module.o
CC arch/Mips/MipsDisassembler.o
CC arch/Mips/MipsInstPrinter.o
CC arch/Mips/MipsMapping.o
CC arch/Mips/MipsModule.o
CC arch/PowerPC/PPCDisassembler.o
CC arch/PowerPC/PPCInstPrinter.o
CC arch/PowerPC/PPCMapping.o
CC arch/PowerPC/PPCModule.o
CC arch/Sparc/SparcDisassembler.o
CC arch/Sparc/SparcInstPrinter.o
CC arch/Sparc/SparcMapping.o
CC arch/Sparc/SparcModule.o
CC arch/SystemZ/SystemZDisassembler.o
CC arch/SystemZ/SystemZInstPrinter.o
CC arch/SystemZ/SystemZMapping.o
CC arch/SystemZ/SystemZModule.o
CC arch/SystemZ/SystemZMCTargetDesc.o
CC arch/X86/X86DisassemblerDecoder.o
CC arch/X86/X86Disassembler.o
CC arch/X86/X86IntelInstPrinter.o
CC arch/X86/X86ATTInstPrinter.o
CC arch/X86/X86Mapping.o
CC arch/X86/X86Module.o
CC arch/XCore/XCoreDisassembler.o
CC arch/XCore/XCoreInstPrinter.o
CC arch/XCore/XCoreMapping.o
CC arch/XCore/XCoreModule.o
CC MCInst.o
AR libcapstone.a
ar: creating /var/tmp/patchew-tester-tmp-k5bn7h1w/src/build/capstone/libcapstone.a
GEN docs/version.texi
GEN qemu-options.texi
CC tests/qemu-iotests/socket_scm_helper.o
GEN qemu-monitor.texi
GEN qemu-img-cmds.texi
GEN qemu-monitor-info.texi
GEN qemu-img.1
GEN qemu-nbd.8
GEN qemu-ga.8
GEN docs/interop/qemu-qmp-qapi.texi
GEN docs/interop/qemu-ga-qapi.texi
GEN docs/qemu-block-drivers.7
GEN fsdev/virtfs-proxy-helper.1
GEN qga/qapi-generated/qga-qapi-types.h
GEN qga/qapi-generated/qga-qapi-visit.h
GEN qga/qapi-generated/qga-qmp-commands.h
GEN qga/qapi-generated/qga-qapi-types.c
GEN qga/qapi-generated/qga-qapi-visit.c
GEN qga/qapi-generated/qga-qmp-marshal.c
CC qmp-introspect.o
CC qapi-types.o
CC qapi-visit.o
CC qapi-event.o
CC qapi/qapi-visit-core.o
CC qapi/qapi-dealloc-visitor.o
CC qapi/qobject-input-visitor.o
CC qapi/qobject-output-visitor.o
CC qapi/qmp-registry.o
CC qapi/qmp-dispatch.o
CC qapi/string-input-visitor.o
CC qapi/string-output-visitor.o
CC qapi/opts-visitor.o
CC qapi/qapi-clone-visitor.o
CC qapi/qmp-event.o
CC qapi/qapi-util.o
CC qobject/qnull.o
CC qobject/qnum.o
CC qobject/qstring.o
CC qobject/qdict.o
CC qobject/qlist.o
CC qobject/qbool.o
CC qobject/qlit.o
CC qobject/qjson.o
CC qobject/qobject.o
CC qobject/json-lexer.o
CC qobject/json-streamer.o
CC qobject/json-parser.o
CC trace/control.o
CC trace/qmp.o
CC util/osdep.o
CC util/cutils.o
CC util/unicode.o
CC util/qemu-timer-common.o
CC util/bufferiszero.o
CC util/lockcnt.o
CC util/aiocb.o
CC util/async.o
CC util/thread-pool.o
CC util/qemu-timer.o
CC util/main-loop.o
CC util/iohandler.o
CC util/aio-posix.o
CC util/compatfd.o
CC util/event_notifier-posix.o
CC util/mmap-alloc.o
CC util/oslib-posix.o
CC util/qemu-openpty.o
CC util/qemu-thread-posix.o
CC util/memfd.o
CC util/envlist.o
CC util/path.o
CC util/module.o
CC util/host-utils.o
CC util/bitmap.o
CC util/bitops.o
CC util/hbitmap.o
CC util/fifo8.o
CC util/acl.o
CC util/cacheinfo.o
CC util/error.o
CC util/qemu-error.o
CC util/id.o
CC util/iov.o
CC util/qemu-config.o
CC util/qemu-sockets.o
CC util/uri.o
CC util/notify.o
CC util/qemu-option.o
CC util/qemu-progress.o
CC util/keyval.o
CC util/hexdump.o
CC util/crc32c.o
CC util/uuid.o
CC util/throttle.o
CC util/getauxval.o
CC util/readline.o
CC util/rcu.o
CC util/qemu-coroutine.o
CC util/qemu-coroutine-lock.o
CC util/qemu-coroutine-io.o
CC util/qemu-coroutine-sleep.o
CC util/coroutine-ucontext.o
CC util/buffer.o
CC util/timed-average.o
CC util/base64.o
CC util/log.o
CC util/pagesize.o
CC util/qdist.o
CC util/qht.o
CC util/range.o
CC util/stats64.o
CC util/systemd.o
CC trace-root.o
CC util/trace.o
CC crypto/trace.o
CC io/trace.o
CC migration/trace.o
CC block/trace.o
CC chardev/trace.o
CC hw/block/trace.o
CC hw/block/dataplane/trace.o
CC hw/char/trace.o
CC hw/intc/trace.o
CC hw/net/trace.o
CC hw/virtio/trace.o
CC hw/audio/trace.o
CC hw/misc/trace.o
CC hw/usb/trace.o
CC hw/scsi/trace.o
CC hw/nvram/trace.o
CC hw/display/trace.o
CC hw/input/trace.o
CC hw/timer/trace.o
CC hw/dma/trace.o
CC hw/sparc/trace.o
CC hw/sparc64/trace.o
CC hw/sd/trace.o
CC hw/isa/trace.o
CC hw/mem/trace.o
CC hw/i386/trace.o
CC hw/i386/xen/trace.o
CC hw/9pfs/trace.o
CC hw/ppc/trace.o
CC hw/pci-host/trace.o
CC hw/pci/trace.o
CC hw/s390x/trace.o
CC hw/vfio/trace.o
CC hw/acpi/trace.o
CC hw/arm/trace.o
CC hw/alpha/trace.o
CC hw/hppa/trace.o
CC hw/xen/trace.o
CC hw/ide/trace.o
CC ui/trace.o
CC audio/trace.o
CC net/trace.o
CC target/arm/trace.o
CC target/i386/trace.o
CC target/mips/trace.o
CC target/sparc/trace.o
CC target/s390x/trace.o
CC target/ppc/trace.o
CC qom/trace.o
CC linux-user/trace.o
CC qapi/trace.o
CC accel/tcg/trace.o
CC accel/kvm/trace.o
CC nbd/trace.o
CC scsi/trace.o
CC crypto/pbkdf-stub.o
CC stubs/arch-query-cpu-def.o
CC stubs/arch-query-cpu-model-expansion.o
CC stubs/arch-query-cpu-model-comparison.o
CC stubs/arch-query-cpu-model-baseline.o
CC stubs/bdrv-next-monitor-owned.o
CC stubs/blk-commit-all.o
CC stubs/blockdev-close-all-bdrv-states.o
CC stubs/clock-warp.o
CC stubs/cpu-get-clock.o
CC stubs/cpu-get-icount.o
CC stubs/dump.o
CC stubs/error-printf.o
CC stubs/fdset.o
CC stubs/gdbstub.o
CC stubs/get-vm-name.o
CC stubs/iothread.o
CC stubs/iothread-lock.o
CC stubs/is-daemonized.o
CC stubs/linux-aio.o
CC stubs/machine-init-done.o
CC stubs/migr-blocker.o
CC stubs/change-state-handler.o
CC stubs/monitor.o
CC stubs/notify-event.o
CC stubs/qtest.o
CC stubs/replay.o
CC stubs/runstate-check.o
CC stubs/set-fd-handler.o
CC stubs/slirp.o
CC stubs/sysbus.o
CC stubs/tpm.o
CC stubs/trace-control.o
CC stubs/uuid.o
CC stubs/vm-stop.o
CC stubs/vmstate.o
CC stubs/qmp_pc_dimm.o
CC stubs/target-monitor-defs.o
CC stubs/target-get-monitor-def.o
CC stubs/pc_madt_cpu_entry.o
CC stubs/vmgenid.o
CC stubs/xen-common.o
CC stubs/xen-hvm.o
CC stubs/pci-host-piix.o
CC qemu-keymap.o
CC ui/input-keymap.o
CC contrib/ivshmem-client/ivshmem-client.o
CC contrib/ivshmem-client/main.o
CC contrib/ivshmem-server/ivshmem-server.o
CC contrib/ivshmem-server/main.o
CC qemu-nbd.o
CC block.o
CC blockjob.o
CC qemu-io-cmds.o
CC replication.o
CC block/raw-format.o
CC block/qcow.o
CC block/vdi.o
CC block/vmdk.o
CC block/cloop.o
CC block/bochs.o
CC block/vpc.o
CC block/vvfat.o
CC block/dmg.o
CC block/qcow2.o
CC block/qcow2-refcount.o
CC block/qcow2-cluster.o
CC block/qcow2-snapshot.o
CC block/qcow2-cache.o
CC block/qcow2-bitmap.o
CC block/qed.o
CC block/qed-l2-cache.o
CC block/qed-table.o
CC block/qed-cluster.o
CC block/qed-check.o
CC block/vhdx.o
CC block/vhdx-endian.o
CC block/vhdx-log.o
CC block/quorum.o
CC block/parallels.o
CC block/blkdebug.o
CC block/blkverify.o
CC block/blkreplay.o
CC block/block-backend.o
CC block/snapshot.o
CC block/qapi.o
CC block/file-posix.o
CC block/linux-aio.o
CC block/null.o
CC block/mirror.o
CC block/commit.o
CC block/io.o
CC block/throttle-groups.o
CC block/nbd.o
CC block/nbd-client.o
CC block/sheepdog.o
CC block/iscsi-opts.o
CC block/accounting.o
CC block/dirty-bitmap.o
CC block/write-threshold.o
CC block/backup.o
CC block/replication.o
CC block/throttle.o
CC block/crypto.o
CC nbd/server.o
CC nbd/client.o
CC nbd/common.o
CC scsi/utils.o
CC scsi/pr-manager.o
CC block/iscsi.o
CC scsi/pr-manager-helper.o
CC block/nfs.o
CC block/curl.o
CC block/rbd.o
CC block/gluster.o
CC block/ssh.o
CC block/dmg-bz2.o
CC crypto/init.o
CC crypto/hash.o
CC crypto/hash-nettle.o
CC crypto/hmac.o
CC crypto/hmac-nettle.o
CC crypto/aes.o
CC crypto/desrfb.o
CC crypto/cipher.o
CC crypto/tlscreds.o
CC crypto/tlscredsanon.o
CC crypto/tlscredsx509.o
CC crypto/tlssession.o
CC crypto/secret.o
CC crypto/random-gnutls.o
CC crypto/pbkdf.o
CC crypto/pbkdf-nettle.o
CC crypto/ivgen.o
CC crypto/ivgen-essiv.o
CC crypto/ivgen-plain.o
CC crypto/ivgen-plain64.o
CC crypto/afsplit.o
CC crypto/xts.o
CC crypto/block.o
CC crypto/block-qcow.o
CC crypto/block-luks.o
CC io/channel.o
CC io/channel-buffer.o
CC io/channel-command.o
CC io/channel-file.o
CC io/channel-socket.o
CC io/channel-tls.o
CC io/channel-watch.o
CC io/channel-websock.o
CC io/channel-util.o
CC io/dns-resolver.o
CC io/net-listener.o
CC io/task.o
CC qom/object.o
CC qom/container.o
CC qom/qom-qobject.o
CC qom/object_interfaces.o
GEN qemu-img-cmds.h
CC qemu-io.o
CC fsdev/virtfs-proxy-helper.o
CC fsdev/9p-marshal.o
CC fsdev/9p-iov-marshal.o
CC scsi/qemu-pr-helper.o
CC qemu-bridge-helper.o
CC blockdev.o
CC blockdev-nbd.o
CC bootdevice.o
CC iothread.o
CC qdev-monitor.o
CC device-hotplug.o
CC os-posix.o
CC bt-host.o
CC bt-vhci.o
CC dma-helpers.o
CC vl.o
CC tpm.o
CC qemu-seccomp.o
CC device_tree.o
CC qmp-marshal.o
CC qmp.o
CC hmp.o
CC cpus-common.o
CC audio/audio.o
CC audio/noaudio.o
CC audio/wavaudio.o
CC audio/mixeng.o
CC audio/sdlaudio.o
CC audio/ossaudio.o
CC audio/wavcapture.o
CC backends/rng.o
CC backends/rng-egd.o
CC backends/rng-random.o
CC backends/tpm.o
CC backends/hostmem.o
CC backends/hostmem-ram.o
CC backends/hostmem-file.o
CC backends/cryptodev.o
CC backends/cryptodev-builtin.o
CC block/stream.o
CC chardev/msmouse.o
CC chardev/wctablet.o
CC chardev/testdev.o
CC chardev/baum.o
CC disas/alpha.o
CC disas/arm.o
CXX disas/arm-a64.o
CC disas/cris.o
CC disas/hppa.o
CC disas/i386.o
CC disas/m68k.o
CC disas/microblaze.o
CC disas/mips.o
CC disas/nios2.o
CC disas/moxie.o
CC disas/ppc.o
CC disas/s390.o
CC disas/sh4.o
CC disas/sparc.o
CC disas/lm32.o
CC disas/xtensa.o
CXX disas/libvixl/vixl/utils.o
CXX disas/libvixl/vixl/compiler-intrinsics.o
CXX disas/libvixl/vixl/a64/instructions-a64.o
CXX disas/libvixl/vixl/a64/decoder-a64.o
CXX disas/libvixl/vixl/a64/disasm-a64.o
CC fsdev/qemu-fsdev.o
CC fsdev/qemu-fsdev-opts.o
CC fsdev/qemu-fsdev-throttle.o
CC fsdev/qemu-fsdev-dummy.o
CC hw/9pfs/9p.o
CC hw/9pfs/9p-util.o
CC hw/9pfs/9p-local.o
CC hw/9pfs/9p-xattr.o
CC hw/9pfs/9p-xattr-user.o
CC hw/9pfs/9p-posix-acl.o
CC hw/9pfs/coth.o
CC hw/9pfs/cofs.o
CC hw/9pfs/codir.o
CC hw/9pfs/cofile.o
CC hw/9pfs/coxattr.o
CC hw/9pfs/9p-synth.o
CC hw/9pfs/9p-handle.o
CC hw/9pfs/9p-proxy.o
CC hw/acpi/core.o
CC hw/acpi/piix4.o
CC hw/acpi/pcihp.o
CC hw/acpi/ich9.o
CC hw/acpi/tco.o
CC hw/acpi/cpu_hotplug.o
CC hw/acpi/memory_hotplug.o
CC hw/acpi/cpu.o
CC hw/acpi/nvdimm.o
CC hw/acpi/vmgenid.o
CC hw/acpi/acpi_interface.o
CC hw/acpi/bios-linker-loader.o
CC hw/acpi/aml-build.o
CC hw/acpi/ipmi.o
CC hw/acpi/acpi-stub.o
CC hw/acpi/ipmi-stub.o
CC hw/audio/sb16.o
CC hw/audio/es1370.o
CC hw/audio/ac97.o
CC hw/audio/fmopl.o
CC hw/audio/adlib.o
CC hw/audio/gus.o
CC hw/audio/gusemu_hal.o
CC hw/audio/gusemu_mixer.o
CC hw/audio/cs4231a.o
CC hw/audio/intel-hda.o
CC hw/audio/hda-codec.o
CC hw/audio/pcspk.o
CC hw/audio/wm8750.o
CC hw/audio/pl041.o
CC hw/audio/lm4549.o
CC hw/audio/cs4231.o
CC hw/audio/marvell_88w8618.o
CC hw/audio/milkymist-ac97.o
CC hw/audio/soundhw.o
CC hw/block/block.o
CC hw/block/cdrom.o
CC hw/block/hd-geometry.o
CC hw/block/fdc.o
CC hw/block/m25p80.o
CC hw/block/nand.o
CC hw/block/pflash_cfi01.o
CC hw/block/pflash_cfi02.o
CC hw/block/ecc.o
CC hw/block/onenand.o
CC hw/block/nvme.o
CC hw/bt/core.o
CC hw/bt/l2cap.o
CC hw/bt/sdp.o
CC hw/bt/hci.o
CC hw/bt/hid.o
CC hw/bt/hci-csr.o
CC hw/char/ipoctal232.o
CC hw/char/escc.o
CC hw/char/parallel.o
CC hw/char/pl011.o
CC hw/char/serial.o
CC hw/char/serial-isa.o
CC hw/char/serial-pci.o
CC hw/char/virtio-console.o
CC hw/char/xilinx_uartlite.o
CC hw/char/cadence_uart.o
CC hw/char/cmsdk-apb-uart.o
CC hw/char/etraxfs_ser.o
CC hw/char/debugcon.o
CC hw/char/grlib_apbuart.o
CC hw/char/imx_serial.o
CC hw/char/lm32_juart.o
CC hw/char/lm32_uart.o
CC hw/char/milkymist-uart.o
CC hw/char/sclpconsole.o
CC hw/char/sclpconsole-lm.o
CC hw/core/qdev.o
CC hw/core/qdev-properties.o
CC hw/core/bus.o
CC hw/core/reset.o
CC hw/core/qdev-fw.o
CC hw/core/fw-path-provider.o
CC hw/core/irq.o
CC hw/core/hotplug.o
CC hw/core/nmi.o
CC hw/core/empty_slot.o
CC hw/core/stream.o
CC hw/core/ptimer.o
CC hw/core/sysbus.o
CC hw/core/machine.o
CC hw/core/loader.o
CC hw/core/loader-fit.o
CC hw/core/qdev-properties-system.o
CC hw/core/register.o
CC hw/core/or-irq.o
CC hw/core/platform-bus.o
CC hw/cpu/core.o
CC hw/display/ads7846.o
CC hw/display/cirrus_vga.o
CC hw/display/g364fb.o
CC hw/display/jazz_led.o
CC hw/display/pl110.o
CC hw/display/ssd0303.o
CC hw/display/ssd0323.o
CC hw/display/vga-pci.o
CC hw/display/vga-isa.o
CC hw/display/vga-isa-mm.o
CC hw/display/vmware_vga.o
CC hw/display/blizzard.o
CC hw/display/exynos4210_fimd.o
CC hw/display/framebuffer.o
CC hw/display/milkymist-vgafb.o
CC hw/display/tc6393xb.o
CC hw/display/milkymist-tmu2.o
CC hw/dma/puv3_dma.o
CC hw/dma/rc4030.o
CC hw/dma/pl080.o
CC hw/dma/pl330.o
CC hw/dma/i82374.o
CC hw/dma/i8257.o
CC hw/dma/xilinx_axidma.o
CC hw/dma/xlnx-zynq-devcfg.o
CC hw/dma/etraxfs_dma.o
CC hw/dma/sparc32_dma.o
CC hw/gpio/max7310.o
CC hw/gpio/pl061.o
CC hw/gpio/puv3_gpio.o
CC hw/gpio/zaurus.o
CC hw/gpio/mpc8xxx.o
CC hw/gpio/gpio_key.o
CC hw/i2c/core.o
CC hw/i2c/smbus.o
CC hw/i2c/smbus_eeprom.o
CC hw/i2c/i2c-ddc.o
CC hw/i2c/versatile_i2c.o
CC hw/i2c/smbus_ich9.o
CC hw/i2c/pm_smbus.o
CC hw/i2c/bitbang_i2c.o
CC hw/i2c/exynos4210_i2c.o
CC hw/i2c/imx_i2c.o
CC hw/i2c/aspeed_i2c.o
CC hw/ide/core.o
CC hw/ide/atapi.o
CC hw/ide/qdev.o
CC hw/ide/pci.o
CC hw/ide/isa.o
CC hw/ide/piix.o
CC hw/ide/cmd646.o
CC hw/ide/macio.o
CC hw/ide/mmio.o
CC hw/ide/via.o
CC hw/ide/microdrive.o
CC hw/ide/ahci.o
CC hw/ide/ich.o
CC hw/ide/ahci-allwinner.o
CC hw/ide/sii3112.o
CC hw/input/adb.o
CC hw/input/adb-mouse.o
CC hw/input/adb-kbd.o
CC hw/input/hid.o
CC hw/input/lm832x.o
CC hw/input/pckbd.o
CC hw/input/pl050.o
CC hw/input/ps2.o
CC hw/input/stellaris_input.o
CC hw/input/tsc2005.o
CC hw/input/virtio-input.o
CC hw/input/virtio-input-hid.o
CC hw/input/virtio-input-host.o
CC hw/intc/heathrow_pic.o
CC hw/intc/i8259_common.o
CC hw/intc/i8259.o
CC hw/intc/pl190.o
CC hw/intc/puv3_intc.o
CC hw/intc/xilinx_intc.o
CC hw/intc/xlnx-pmu-iomod-intc.o
CC hw/intc/xlnx-zynqmp-ipi.o
CC hw/intc/etraxfs_pic.o
CC hw/intc/imx_avic.o
CC hw/intc/lm32_pic.o
CC hw/intc/realview_gic.o
CC hw/intc/slavio_intctl.o
CC hw/intc/ioapic_common.o
CC hw/intc/arm_gic_common.o
CC hw/intc/arm_gic.o
CC hw/intc/arm_gicv2m.o
CC hw/intc/arm_gicv3_common.o
CC hw/intc/arm_gicv3.o
CC hw/intc/arm_gicv3_dist.o
CC hw/intc/arm_gicv3_redist.o
CC hw/intc/arm_gicv3_its_common.o
CC hw/intc/openpic.o
CC hw/intc/intc.o
CC hw/ipack/ipack.o
CC hw/ipack/tpci200.o
CC hw/ipmi/ipmi.o
CC hw/ipmi/ipmi_bmc_sim.o
CC hw/ipmi/ipmi_bmc_extern.o
CC hw/ipmi/isa_ipmi_kcs.o
CC hw/ipmi/isa_ipmi_bt.o
CC hw/isa/isa-bus.o
CC hw/isa/apm.o
CC hw/isa/i82378.o
CC hw/isa/pc87312.o
CC hw/isa/piix4.o
CC hw/isa/vt82c686.o
CC hw/mem/pc-dimm.o
CC hw/mem/nvdimm.o
CC hw/misc/applesmc.o
CC hw/misc/max111x.o
CC hw/misc/tmp105.o
CC hw/misc/tmp421.o
CC hw/misc/debugexit.o
CC hw/misc/sga.o
CC hw/misc/pc-testdev.o
CC hw/misc/pci-testdev.o
CC hw/misc/edu.o
CC hw/misc/unimp.o
CC hw/misc/vmcoreinfo.o
CC hw/misc/arm_l2x0.o
CC hw/misc/arm_integrator_debug.o
CC hw/misc/a9scu.o
CC hw/misc/arm11scu.o
CC hw/misc/puv3_pm.o
CC hw/misc/macio/macio.o
CC hw/misc/macio/cuda.o
CC hw/misc/macio/mac_dbdma.o
CC hw/net/dp8393x.o
CC hw/net/ne2000.o
CC hw/net/eepro100.o
CC hw/net/pcnet-pci.o
CC hw/net/pcnet.o
CC hw/net/e1000.o
CC hw/net/e1000x_common.o
CC hw/net/net_tx_pkt.o
CC hw/net/net_rx_pkt.o
CC hw/net/e1000e.o
CC hw/net/e1000e_core.o
CC hw/net/rtl8139.o
CC hw/net/vmxnet3.o
CC hw/net/smc91c111.o
CC hw/net/lan9118.o
CC hw/net/ne2000-isa.o
CC hw/net/opencores_eth.o
CC hw/net/xgmac.o
CC hw/net/mipsnet.o
CC hw/net/xilinx_axienet.o
CC hw/net/allwinner_emac.o
CC hw/net/imx_fec.o
CC hw/net/cadence_gem.o
CC hw/net/stellaris_enet.o
CC hw/net/lance.o
CC hw/net/sunhme.o
CC hw/net/ftgmac100.o
CC hw/net/sungem.o
CC hw/net/rocker/rocker.o
CC hw/net/rocker/rocker_fp.o
CC hw/net/rocker/rocker_desc.o
CC hw/net/rocker/rocker_world.o
CC hw/net/rocker/rocker_of_dpa.o
CC hw/nvram/ds1225y.o
CC hw/nvram/eeprom93xx.o
CC hw/nvram/eeprom_at24c.o
CC hw/nvram/fw_cfg.o
CC hw/nvram/chrp_nvram.o
CC hw/nvram/mac_nvram.o
CC hw/pci-bridge/pci_bridge_dev.o
CC hw/pci-bridge/pcie_root_port.o
CC hw/pci-bridge/gen_pcie_root_port.o
CC hw/pci-bridge/pcie_pci_bridge.o
CC hw/pci-bridge/pci_expander_bridge.o
CC hw/pci-bridge/xio3130_upstream.o
CC hw/pci-bridge/xio3130_downstream.o
CC hw/pci-bridge/ioh3420.o
CC hw/pci-bridge/i82801b11.o
CC hw/pci-bridge/dec.o
CC hw/pci-bridge/simba.o
CC hw/pci-host/pam.o
CC hw/pci-host/prep.o
CC hw/pci-host/grackle.o
CC hw/pci-host/uninorth.o
CC hw/pci-host/ppce500.o
CC hw/pci-host/versatile.o
CC hw/pci-host/sabre.o
CC hw/pci-host/bonito.o
CC hw/pci-host/piix.o
CC hw/pci-host/q35.o
CC hw/pci-host/gpex.o
CC hw/pci-host/xilinx-pcie.o
CC hw/pci/pci.o
CC hw/pci/pci_bridge.o
CC hw/pci/msix.o
CC hw/pci/msi.o
CC hw/pci/shpc.o
CC hw/pci/slotid_cap.o
CC hw/pci/pci_host.o
CC hw/pci/pcie_host.o
CC hw/pci/pcie.o
CC hw/pci/pcie_aer.o
CC hw/pci/pcie_port.o
CC hw/pci/pci-stub.o
CC hw/pcmcia/pcmcia.o
CC hw/scsi/scsi-disk.o
CC hw/scsi/scsi-generic.o
CC hw/scsi/scsi-bus.o
CC hw/scsi/lsi53c895a.o
CC hw/scsi/mptsas.o
CC hw/scsi/mptconfig.o
CC hw/scsi/mptendian.o
CC hw/scsi/megasas.o
CC hw/scsi/vmw_pvscsi.o
CC hw/scsi/esp.o
CC hw/scsi/esp-pci.o
CC hw/sd/pl181.o
CC hw/sd/ssi-sd.o
CC hw/sd/sd.o
CC hw/sd/core.o
CC hw/sd/sdhci.o
CC hw/smbios/smbios.o
CC hw/smbios/smbios_type_38.o
CC hw/smbios/smbios-stub.o
CC hw/smbios/smbios_type_38-stub.o
CC hw/ssi/pl022.o
CC hw/ssi/ssi.o
CC hw/ssi/xilinx_spi.o
CC hw/ssi/xilinx_spips.o
CC hw/ssi/aspeed_smc.o
CC hw/ssi/stm32f2xx_spi.o
CC hw/ssi/mss-spi.o
CC hw/timer/arm_timer.o
CC hw/timer/arm_mptimer.o
CC hw/timer/armv7m_systick.o
CC hw/timer/a9gtimer.o
CC hw/timer/cadence_ttc.o
CC hw/timer/ds1338.o
CC hw/timer/hpet.o
CC hw/timer/i8254_common.o
CC hw/timer/i8254.o
CC hw/timer/m48t59.o
CC hw/timer/m48t59-isa.o
CC hw/timer/pl031.o
CC hw/timer/puv3_ost.o
CC hw/timer/twl92230.o
CC hw/timer/xilinx_timer.o
CC hw/timer/slavio_timer.o
CC hw/timer/etraxfs_timer.o
CC hw/timer/grlib_gptimer.o
CC hw/timer/imx_epit.o
CC hw/timer/imx_gpt.o
CC hw/timer/lm32_timer.o
CC hw/timer/milkymist-sysctl.o
CC hw/timer/stm32f2xx_timer.o
CC hw/timer/aspeed_timer.o
CC hw/timer/sun4v-rtc.o
CC hw/timer/cmsdk-apb-timer.o
CC hw/timer/mss-timer.o
CC hw/tpm/tpm_util.o
CC hw/tpm/tpm_tis.o
CC hw/tpm/tpm_crb.o
CC hw/tpm/tpm_emulator.o
CC hw/usb/core.o
CC hw/usb/combined-packet.o
CC hw/usb/bus.o
CC hw/usb/libhw.o
CC hw/usb/desc.o
CC hw/usb/desc-msos.o
CC hw/usb/hcd-uhci.o
CC hw/usb/hcd-ohci.o
CC hw/usb/hcd-ehci.o
CC hw/usb/hcd-ehci-pci.o
CC hw/usb/hcd-ehci-sysbus.o
CC hw/usb/hcd-xhci.o
CC hw/usb/hcd-xhci-nec.o
CC hw/usb/hcd-musb.o
CC hw/usb/dev-hub.o
CC hw/usb/dev-hid.o
CC hw/usb/dev-wacom.o
CC hw/usb/dev-storage.o
CC hw/usb/dev-uas.o
CC hw/usb/dev-audio.o
CC hw/usb/dev-serial.o
CC hw/usb/dev-network.o
CC hw/usb/dev-bluetooth.o
CC hw/usb/dev-smartcard-reader.o
CC hw/usb/ccid-card-passthru.o
CC hw/usb/ccid-card-emulated.o
CC hw/usb/dev-mtp.o
CC hw/usb/redirect.o
CC hw/usb/quirks.o
CC hw/usb/host-libusb.o
CC hw/usb/host-stub.o
CC hw/virtio/virtio-rng.o
CC hw/virtio/virtio-pci.o
CC hw/virtio/virtio-bus.o
CC hw/virtio/virtio-mmio.o
CC hw/virtio/vhost-stub.o
CC hw/watchdog/watchdog.o
CC hw/watchdog/wdt_i6300esb.o
CC hw/watchdog/wdt_ib700.o
CC hw/watchdog/wdt_diag288.o
CC hw/watchdog/wdt_aspeed.o
CC migration/migration.o
CC migration/socket.o
CC migration/fd.o
CC migration/exec.o
CC migration/tls.o
CC migration/channel.o
CC migration/savevm.o
CC migration/colo-comm.o
CC migration/colo.o
CC migration/colo-failover.o
CC migration/vmstate.o
CC migration/vmstate-types.o
CC migration/page_cache.o
CC migration/qemu-file.o
CC migration/global_state.o
CC migration/qemu-file-channel.o
CC migration/xbzrle.o
CC migration/postcopy-ram.o
CC migration/qjson.o
CC migration/block.o
CC net/net.o
CC net/queue.o
CC net/checksum.o
CC net/util.o
CC net/hub.o
CC net/socket.o
CC net/dump.o
CC net/eth.o
CC net/l2tpv3.o
CC net/vhost-user.o
CC net/slirp.o
CC net/filter.o
CC net/filter-buffer.o
CC net/filter-mirror.o
CC net/colo-compare.o
CC net/colo.o
CC net/filter-rewriter.o
CC net/filter-replay.o
CC net/tap.o
CC net/tap-linux.o
CC qom/cpu.o
CC replay/replay.o
CC replay/replay-internal.o
CC replay/replay-events.o
CC replay/replay-time.o
CC replay/replay-input.o
CC replay/replay-char.o
CC replay/replay-snapshot.o
CC replay/replay-net.o
CC replay/replay-audio.o
CC slirp/cksum.o
CC slirp/if.o
CC slirp/ip_icmp.o
CC slirp/ip6_icmp.o
CC slirp/ip6_input.o
CC slirp/ip6_output.o
CC slirp/ip_input.o
CC slirp/ip_output.o
CC slirp/dnssearch.o
CC slirp/dhcpv6.o
CC slirp/slirp.o
CC slirp/mbuf.o
CC slirp/misc.o
CC slirp/sbuf.o
CC slirp/socket.o
CC slirp/tcp_input.o
CC slirp/tcp_output.o
CC slirp/tcp_subr.o
CC slirp/tcp_timer.o
CC slirp/udp.o
CC slirp/udp6.o
CC slirp/bootp.o
CC slirp/tftp.o
CC slirp/arp_table.o
CC slirp/ndp_table.o
CC slirp/ncsi.o
CC ui/keymaps.o
CC ui/console.o
CC ui/cursor.o
CC ui/qemu-pixman.o
CC ui/input.o
CC ui/input-legacy.o
CC ui/input-linux.o
CC ui/sdl2.o
CC ui/sdl2-input.o
CC ui/sdl2-2d.o
CC ui/sdl2-gl.o
CC ui/curses.o
CC ui/vnc.o
CC ui/vnc-enc-zlib.o
CC ui/vnc-enc-hextile.o
CC ui/vnc-enc-tight.o
CC ui/vnc-palette.o
CC ui/vnc-enc-zrle.o
CC ui/vnc-auth-vencrypt.o
CC ui/vnc-auth-sasl.o
CC ui/vnc-ws.o
CC ui/vnc-jobs.o
CC ui/gtk.o
CC ui/x_keymap.o
VERT ui/shader/texture-blit-vert.h
VERT ui/shader/texture-blit-flip-vert.h
CC ui/console-gl.o
FRAG ui/shader/texture-blit-frag.h
CC ui/egl-helpers.o
CC ui/egl-context.o
CC ui/egl-headless.o
CC ui/gtk-gl-area.o
CC chardev/char.o
CC chardev/char-fd.o
CC chardev/char-fe.o
CC chardev/char-file.o
CC chardev/char-io.o
CC chardev/char-mux.o
CC chardev/char-null.o
CC chardev/char-parallel.o
CC chardev/char-pipe.o
CC chardev/char-pty.o
CC chardev/char-ringbuf.o
CC chardev/char-serial.o
CC chardev/char-socket.o
CC chardev/char-stdio.o
CC chardev/char-udp.o
CCAS s390-ccw/start.o
LINK tests/qemu-iotests/socket_scm_helper
CC s390-ccw/main.o
GEN qemu-doc.html
CC s390-ccw/bootmap.o
GEN qemu-doc.txt
GEN qemu.1
GEN docs/interop/qemu-qmp-ref.html
CC s390-ccw/sclp.o
CC s390-ccw/virtio.o
CC s390-ccw/virtio-scsi.o
GEN docs/interop/qemu-qmp-ref.txt
GEN docs/interop/qemu-qmp-ref.7
CC s390-ccw/virtio-blkdev.o
GEN docs/interop/qemu-ga-ref.html
CC s390-ccw/libc.o
/var/tmp/patchew-tester-tmp-k5bn7h1w/src/pc-bios/s390-ccw/libc.c: In function ‘itostr’:
/var/tmp/patchew-tester-tmp-k5bn7h1w/src/pc-bios/s390-ccw/libc.c:70:20: error: comparison of unsigned expression >= 0 is always true [-Werror=type-limits]
IPL_assert(num >= 0, "itostr: cannot convert negative values");
^~
cc1: all warnings being treated as errors
make[1]: *** [/var/tmp/patchew-tester-tmp-k5bn7h1w/src/rules.mak:66: libc.o] Error 1
make: *** [Makefile:436: romsubdir-s390-ccw] Error 2
make: *** Waiting for unfinished jobs....
=== OUTPUT END ===
Test command exited with code: 2
---
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Please send your feedback to patchew-devel@freelists.org
^ permalink raw reply [flat|nested] 38+ messages in thread* Re: [Qemu-devel] [qemu-s390x] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x
2018-02-05 21:20 ` [Qemu-devel] [PATCH v5 00/12]Interactive Boot Menu for DASD and SCSI Guests on s390x no-reply
@ 2018-02-05 21:37 ` Collin L. Walling
0 siblings, 0 replies; 38+ messages in thread
From: Collin L. Walling @ 2018-02-05 21:37 UTC (permalink / raw)
To: qemu-devel
Cc: frankja, thuth, alifm, famz, david, cohuck, mihajlov,
borntraeger, qemu-s390x
This was silly. Last minute change on my end. Consider the assertion
removed.
On 02/05/2018 04:20 PM, no-reply@patchew.org wrote:
>
> /var/tmp/patchew-tester-tmp-k5bn7h1w/src/pc-bios/s390-ccw/libc.c: In function ‘itostr’:
> /var/tmp/patchew-tester-tmp-k5bn7h1w/src/pc-bios/s390-ccw/libc.c:70:20: error: comparison of unsigned expression >= 0 is always true [-Werror=type-limits]
> IPL_assert(num >= 0, "itostr: cannot convert negative values");
> ^~
--
- Collin L Walling
^ permalink raw reply [flat|nested] 38+ messages in thread