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Diffstat (limited to 'hw/s390x/ipl.h')
-rw-r--r--hw/s390x/ipl.h134
1 files changed, 19 insertions, 115 deletions
diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
index 57cd125..505cded 100644
--- a/hw/s390x/ipl.h
+++ b/hw/s390x/ipl.h
@@ -14,101 +14,24 @@
#define HW_S390_IPL_H
#include "cpu.h"
-#include "exec/address-spaces.h"
+#include "exec/target_page.h"
+#include "system/address-spaces.h"
+#include "system/memory.h"
#include "hw/qdev-core.h"
+#include "hw/s390x/ipl/qipl.h"
#include "qom/object.h"
-
-struct IPLBlockPVComp {
- uint64_t tweak_pref;
- uint64_t addr;
- uint64_t size;
-} QEMU_PACKED;
-typedef struct IPLBlockPVComp IPLBlockPVComp;
-
-struct IPLBlockPV {
- uint8_t reserved18[87]; /* 0x18 */
- uint8_t version; /* 0x6f */
- uint32_t reserved70; /* 0x70 */
- uint32_t num_comp; /* 0x74 */
- uint64_t pv_header_addr; /* 0x78 */
- uint64_t pv_header_len; /* 0x80 */
- struct IPLBlockPVComp components[0];
-} QEMU_PACKED;
-typedef struct IPLBlockPV IPLBlockPV;
-
-struct IplBlockCcw {
- uint8_t reserved0[85];
- uint8_t ssid;
- uint16_t devno;
- uint8_t vm_flags;
- uint8_t reserved3[3];
- uint32_t vm_parm_len;
- uint8_t nss_name[8];
- uint8_t vm_parm[64];
- uint8_t reserved4[8];
-} QEMU_PACKED;
-typedef struct IplBlockCcw IplBlockCcw;
-
-struct IplBlockFcp {
- uint8_t reserved1[305 - 1];
- uint8_t opt;
- uint8_t reserved2[3];
- uint16_t reserved3;
- uint16_t devno;
- uint8_t reserved4[4];
- uint64_t wwpn;
- uint64_t lun;
- uint32_t bootprog;
- uint8_t reserved5[12];
- uint64_t br_lba;
- uint32_t scp_data_len;
- uint8_t reserved6[260];
- uint8_t scp_data[0];
-} QEMU_PACKED;
-typedef struct IplBlockFcp IplBlockFcp;
-
-struct IplBlockQemuScsi {
- uint32_t lun;
- uint16_t target;
- uint16_t channel;
- uint8_t reserved0[77];
- uint8_t ssid;
- uint16_t devno;
-} QEMU_PACKED;
-typedef struct IplBlockQemuScsi IplBlockQemuScsi;
+#include "target/s390x/kvm/pv.h"
#define DIAG308_FLAGS_LP_VALID 0x80
+#define MAX_BOOT_DEVS 8 /* Max number of devices that may have a bootindex */
-union IplParameterBlock {
- struct {
- uint32_t len;
- uint8_t reserved0[3];
- uint8_t version;
- uint32_t blk0_len;
- uint8_t pbt;
- uint8_t flags;
- uint16_t reserved01;
- uint8_t loadparm[8];
- union {
- IplBlockCcw ccw;
- IplBlockFcp fcp;
- IPLBlockPV pv;
- IplBlockQemuScsi scsi;
- };
- } QEMU_PACKED;
- struct {
- uint8_t reserved1[110];
- uint16_t devno;
- uint8_t reserved2[88];
- uint8_t reserved_ext[4096 - 200];
- } QEMU_PACKED;
-} QEMU_PACKED;
-typedef union IplParameterBlock IplParameterBlock;
-
-int s390_ipl_set_loadparm(uint8_t *loadparm);
+void s390_ipl_convert_loadparm(char *ascii_lp, uint8_t *ebcdic_lp);
+void s390_ipl_fmt_loadparm(uint8_t *loadparm, char *str, Error **errp);
+void s390_rebuild_iplb(uint16_t index, IplParameterBlock *iplb);
void s390_ipl_update_diag308(IplParameterBlock *iplb);
-int s390_ipl_prepare_pv_header(Error **errp);
-int s390_ipl_pv_unpack(void);
+int s390_ipl_prepare_pv_header(struct S390PVResponse *pv_resp,
+ Error **errp);
+int s390_ipl_pv_unpack(struct S390PVResponse *pv_resp);
void s390_ipl_prepare_cpu(S390CPU *cpu);
IplParameterBlock *s390_ipl_get_iplb(void);
IplParameterBlock *s390_ipl_get_iplb_pv(void);
@@ -131,27 +54,6 @@ void s390_ipl_clear_reset_request(void);
#define QIPL_FLAG_BM_OPTS_CMD 0x80
#define QIPL_FLAG_BM_OPTS_ZIPL 0x40
-/*
- * The QEMU IPL Parameters will be stored at absolute address
- * 204 (0xcc) which means it is 32-bit word aligned but not
- * double-word aligned.
- * Placement of data fields in this area must account for
- * their alignment needs. E.g., netboot_start_address must
- * have an offset of 4 + n * 8 bytes within the struct in order
- * to keep it double-word aligned.
- * The total size of the struct must never exceed 28 bytes.
- * This definition must be kept in sync with the definition
- * in pc-bios/s390-ccw/iplb.h.
- */
-struct QemuIplParameters {
- uint8_t qipl_flags;
- uint8_t reserved1[3];
- uint64_t netboot_start_addr;
- uint32_t boot_menu_timeout;
- uint8_t reserved2[12];
-} QEMU_PACKED;
-typedef struct QemuIplParameters QemuIplParameters;
-
#define TYPE_S390_IPL "s390-ipl"
OBJECT_DECLARE_SIMPLE_TYPE(S390IPLState, S390_IPL)
@@ -168,7 +70,8 @@ struct S390IPLState {
bool enforce_bios;
bool iplb_valid;
bool iplb_valid_pv;
- bool netboot;
+ bool rebuilt_iplb;
+ uint16_t iplb_index;
/* reset related properties don't have to be migrated or reset */
enum s390_reset reset_type;
int reset_cpu_index;
@@ -178,11 +81,9 @@ struct S390IPLState {
char *initrd;
char *cmdline;
char *firmware;
- char *netboot_fw;
uint8_t cssid;
uint8_t ssid;
uint16_t devno;
- bool iplbext_migration;
};
QEMU_BUILD_BUG_MSG(offsetof(S390IPLState, iplb) & 3, "alignment of iplb wrong");
@@ -276,11 +177,14 @@ static inline bool iplb_valid_pv(IplParameterBlock *iplb)
static inline bool iplb_valid(IplParameterBlock *iplb)
{
+ uint32_t len = be32_to_cpu(iplb->len);
+
switch (iplb->pbt) {
case S390_IPL_TYPE_FCP:
- return be32_to_cpu(iplb->len) >= S390_IPLB_MIN_FCP_LEN;
+ return len >= S390_IPLB_MIN_FCP_LEN;
case S390_IPL_TYPE_CCW:
- return be32_to_cpu(iplb->len) >= S390_IPLB_MIN_CCW_LEN;
+ return len >= S390_IPLB_MIN_CCW_LEN;
+ case S390_IPL_TYPE_QEMU_SCSI:
default:
return false;
}