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-rw-r--r--include/hw/s390x/css.h6
-rw-r--r--include/hw/s390x/ioinst.h21
-rw-r--r--include/hw/s390x/s390-virtio-ccw.h3
3 files changed, 20 insertions, 10 deletions
diff --git a/include/hw/s390x/css.h b/include/hw/s390x/css.h
index 9da5912921..aae19c4272 100644
--- a/include/hw/s390x/css.h
+++ b/include/hw/s390x/css.h
@@ -48,7 +48,7 @@ typedef struct SenseId {
uint8_t unused; /* padding byte */
/* extended part */
CIW ciw[MAX_CIWS]; /* variable # of CIWs */
-} QEMU_PACKED SenseId;
+} SenseId; /* Note: No QEMU_PACKED due to unaligned members */
/* Channel measurements, from linux/drivers/s390/cio/cmf.c. */
typedef struct CMB {
@@ -118,11 +118,12 @@ typedef enum IOInstEnding {
typedef struct SubchDev SubchDev;
struct SubchDev {
/* channel-subsystem related things: */
+ SCHIB curr_status; /* Needs alignment and thus must come first */
+ ORB orb;
uint8_t cssid;
uint8_t ssid;
uint16_t schid;
uint16_t devno;
- SCHIB curr_status;
uint8_t sense_data[32];
hwaddr channel_prog;
CCW1 last_cmd;
@@ -131,7 +132,6 @@ struct SubchDev {
bool thinint_active;
uint8_t ccw_no_data_cnt;
uint16_t migrated_schid; /* used for missmatch detection */
- ORB orb;
CcwDataStream cds;
/* transport-provided data: */
int (*ccw_cb) (SubchDev *, CCW1);
diff --git a/include/hw/s390x/ioinst.h b/include/hw/s390x/ioinst.h
index 5f2db6949d..c6737a30d4 100644
--- a/include/hw/s390x/ioinst.h
+++ b/include/hw/s390x/ioinst.h
@@ -25,7 +25,8 @@ typedef struct SCSW {
uint8_t dstat;
uint8_t cstat;
uint16_t count;
-} QEMU_PACKED SCSW;
+} SCSW;
+QEMU_BUILD_BUG_MSG(sizeof(SCSW) != 12, "size of SCSW is wrong");
#define SCSW_FLAGS_MASK_KEY 0xf000
#define SCSW_FLAGS_MASK_SCTL 0x0800
@@ -94,7 +95,8 @@ typedef struct PMCW {
uint8_t pam;
uint8_t chpid[8];
uint32_t chars;
-} QEMU_PACKED PMCW;
+} PMCW;
+QEMU_BUILD_BUG_MSG(sizeof(PMCW) != 28, "size of PMCW is wrong");
#define PMCW_FLAGS_MASK_QF 0x8000
#define PMCW_FLAGS_MASK_W 0x4000
@@ -127,7 +129,8 @@ typedef struct IRB {
uint32_t esw[5];
uint32_t ecw[8];
uint32_t emw[8];
-} QEMU_PACKED IRB;
+} IRB;
+QEMU_BUILD_BUG_MSG(sizeof(IRB) != 96, "size of IRB is wrong");
/* operation request block */
typedef struct ORB {
@@ -136,7 +139,8 @@ typedef struct ORB {
uint8_t lpm;
uint8_t ctrl1;
uint32_t cpa;
-} QEMU_PACKED ORB;
+} ORB;
+QEMU_BUILD_BUG_MSG(sizeof(ORB) != 12, "size of ORB is wrong");
#define ORB_CTRL0_MASK_KEY 0xf000
#define ORB_CTRL0_MASK_SPND 0x0800
@@ -165,7 +169,8 @@ typedef struct CCW0 {
uint8_t flags;
uint8_t reserved;
uint16_t count;
-} QEMU_PACKED CCW0;
+} CCW0;
+QEMU_BUILD_BUG_MSG(sizeof(CCW0) != 8, "size of CCW0 is wrong");
/* channel command word (type 1) */
typedef struct CCW1 {
@@ -173,7 +178,8 @@ typedef struct CCW1 {
uint8_t flags;
uint16_t count;
uint32_t cda;
-} QEMU_PACKED CCW1;
+} CCW1;
+QEMU_BUILD_BUG_MSG(sizeof(CCW1) != 8, "size of CCW1 is wrong");
#define CCW_FLAG_DC 0x80
#define CCW_FLAG_CC 0x40
@@ -192,7 +198,8 @@ typedef struct CCW1 {
typedef struct CRW {
uint16_t flags;
uint16_t rsid;
-} QEMU_PACKED CRW;
+} CRW;
+QEMU_BUILD_BUG_MSG(sizeof(CRW) != 4, "size of CRW is wrong");
#define CRW_FLAGS_MASK_S 0x4000
#define CRW_FLAGS_MASK_R 0x2000
diff --git a/include/hw/s390x/s390-virtio-ccw.h b/include/hw/s390x/s390-virtio-ccw.h
index e9c4f4182b..8aa27199c9 100644
--- a/include/hw/s390x/s390-virtio-ccw.h
+++ b/include/hw/s390x/s390-virtio-ccw.h
@@ -39,12 +39,15 @@ typedef struct S390CcwMachineClass {
bool ri_allowed;
bool cpu_model_allowed;
bool css_migration_enabled;
+ bool hpage_1m_allowed;
} S390CcwMachineClass;
/* runtime-instrumentation allowed by the machine */
bool ri_allowed(void);
/* cpu model allowed by the machine */
bool cpu_model_allowed(void);
+/* 1M huge page mappings allowed by the machine */
+bool hpage_1m_allowed(void);
/**
* Returns true if (vmstate based) migration of the channel subsystem