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a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1729689469; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uWFhxuF8gL11t2g0E9b3OpEv0lIl7dL1SiEtTG1TGQ0=; b=BlBViKkE9hFK3kApJ5Vz6NoCMEn2jnMdzGHaiJyE8Jfwd83DowyOmz1iyX4KI5xmP2JpkW pmLh10Wq433+jZydiiUxH6ABl8BE7dZWYvn50w7dQRziMWx1hu6kWL+1tleghDgGf5o09j +Pqo1WlsvEoxqIx5VkG1jAtwYv0425c= X-MC-Unique: hUrBB-3cPlefM1udr-Yz7A-1 From: Thomas Huth To: qemu-devel@nongnu.org Cc: Peter Maydell , Jared Rossi Subject: [PULL 13/23] include/hw/s390x: Add include files for common IPL structs Date: Wed, 23 Oct 2024 15:17:00 +0200 Message-ID: <20241023131710.906748-14-thuth@redhat.com> In-Reply-To: <20241023131710.906748-1-thuth@redhat.com> References: <20241023131710.906748-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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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 Message-ID: <20241020012953.1380075-14-jrossi@linux.ibm.com> Signed-off-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..0ef04af027 --- /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 2.47.0