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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.158.5; envelope-from=jrossi@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1727398427888116600 Content-Type: text/plain; charset="utf-8" From: Jared Rossi Currently, structures defined in both hw/s390x/ipl.h and pc-bios/s390-ccw/i= plb.h must be kept in sync, which is prone to error. Instead, create a new direct= ory at include/hw/s390x/ipl/ to contain the definitions that must be shared. Signed-off-by: Jared Rossi Reviewed-by: Thomas Huth --- hw/s390x/ipl.h | 104 +----------------------------- include/hw/s390x/ipl/qipl.h | 123 ++++++++++++++++++++++++++++++++++++ pc-bios/s390-ccw/iplb.h | 84 ++---------------------- pc-bios/s390-ccw/Makefile | 2 +- 4 files changed, 130 insertions(+), 183 deletions(-) create mode 100644 include/hw/s390x/ipl/qipl.h diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h index b2105b616a..fa394c339d 100644 --- a/hw/s390x/ipl.h +++ b/hw/s390x/ipl.h @@ -16,95 +16,11 @@ #include "cpu.h" #include "exec/address-spaces.h" #include "hw/qdev-core.h" +#include "hw/s390x/ipl/qipl.h" #include "qom/object.h" =20 -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; - #define DIAG308_FLAGS_LP_VALID 0x80 =20 -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_update_diag308(IplParameterBlock *iplb); int s390_ipl_prepare_pv_header(Error **errp); @@ -131,24 +47,6 @@ void s390_ipl_clear_reset_request(void); #define QIPL_FLAG_BM_OPTS_CMD 0x80 #define QIPL_FLAG_BM_OPTS_ZIPL 0x40 =20 -/* - * 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 64-bit data fields in this - * area must account for their alignment needs. - * 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 reserved2; - uint32_t boot_menu_timeout; - uint8_t reserved3[12]; -} QEMU_PACKED; -typedef struct QemuIplParameters QemuIplParameters; - #define TYPE_S390_IPL "s390-ipl" OBJECT_DECLARE_SIMPLE_TYPE(S390IPLState, S390_IPL) =20 diff --git a/include/hw/s390x/ipl/qipl.h b/include/hw/s390x/ipl/qipl.h new file mode 100644 index 0000000000..d21a8f91e3 --- /dev/null +++ b/include/hw/s390x/ipl/qipl.h @@ -0,0 +1,123 @@ +/* + * S/390 boot structures + * + * Copyright 2024 IBM Corp. + * Author(s): Jared Rossi + * + * 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 S390X_QIPL_H +#define S390X_QIPL_H + +/* Boot Menu flags */ +#define QIPL_FLAG_BM_OPTS_CMD 0x80 +#define QIPL_FLAG_BM_OPTS_ZIPL 0x40 + +#define QIPL_ADDRESS 0xcc +#define LOADPARM_LEN 8 + +/* + * 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 64-bit data fields in this + * area must account for their alignment needs. + * The total size of the struct must never exceed 28 bytes. + */ +struct QemuIplParameters { + uint8_t qipl_flags; + uint8_t reserved1[3]; + uint64_t reserved2; + uint32_t boot_menu_timeout; + uint8_t reserved3[12]; +} QEMU_PACKED; +typedef struct QemuIplParameters QemuIplParameters; + +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; + +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[LOADPARM_LEN]; + 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; + +#endif diff --git a/pc-bios/s390-ccw/iplb.h b/pc-bios/s390-ccw/iplb.h index 3758698468..16643f5879 100644 --- a/pc-bios/s390-ccw/iplb.h +++ b/pc-bios/s390-ccw/iplb.h @@ -12,88 +12,14 @@ #ifndef IPLB_H #define IPLB_H =20 -#define LOADPARM_LEN 8 +#ifndef QEMU_PACKED +#define QEMU_PACKED __attribute__((packed)) +#endif =20 -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]; -} __attribute__ ((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[]; -} __attribute__ ((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; -} __attribute__ ((packed)); -typedef struct IplBlockQemuScsi IplBlockQemuScsi; - -struct IplParameterBlock { - 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[LOADPARM_LEN]; - union { - IplBlockCcw ccw; - IplBlockFcp fcp; - IplBlockQemuScsi scsi; - }; -} __attribute__ ((packed)); -typedef struct IplParameterBlock IplParameterBlock; - -extern IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE))); - -#define QIPL_ADDRESS 0xcc - -/* Boot Menu flags */ -#define QIPL_FLAG_BM_OPTS_CMD 0x80 -#define QIPL_FLAG_BM_OPTS_ZIPL 0x40 - -/* - * This definition must be kept in sync with the definition - * in hw/s390x/ipl.h - */ -struct QemuIplParameters { - uint8_t qipl_flags; - uint8_t reserved1[3]; - uint64_t reserved2; - uint32_t boot_menu_timeout; - uint8_t reserved3[12]; -} __attribute__ ((packed)); -typedef struct QemuIplParameters QemuIplParameters; +#include =20 extern QemuIplParameters qipl; +extern IplParameterBlock iplb __attribute__((__aligned__(PAGE_SIZE))); =20 #define S390_IPL_TYPE_FCP 0x00 #define S390_IPL_TYPE_CCW 0x02 diff --git a/pc-bios/s390-ccw/Makefile b/pc-bios/s390-ccw/Makefile index 27cbb354af..db9e8f0892 100644 --- a/pc-bios/s390-ccw/Makefile +++ b/pc-bios/s390-ccw/Makefile @@ -3,7 +3,7 @@ all: build-all @true =20 include config-host.mak -CFLAGS =3D -O2 -g +CFLAGS =3D -O2 -g -I $(SRC_PATH)/../../include/hw/s390x/ipl MAKEFLAGS +=3D -rR =20 GIT_SUBMODULES =3D roms/SLOF --=20 2.45.1