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Smith" To: xen-devel@lists.xenproject.org Cc: "Daniel P. Smith" , jason.andryuk@amd.com, christopher.w.clark@gmail.com, stefano.stabellini@amd.com, Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [PATCH v6 26/44] x86/boot: convert construct_dom0 to use struct boot_module Date: Thu, 17 Oct 2024 13:03:06 -0400 Message-Id: <20241017170325.3842-27-dpsmith@apertussolutions.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20241017170325.3842-1-dpsmith@apertussolutions.com> References: <20241017170325.3842-1-dpsmith@apertussolutions.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMailClient: External X-ZohoMail-DKIM: pass (identity dpsmith@apertussolutions.com) X-ZM-MESSAGEID: 1729185794204116600 Content-Type: text/plain; charset="utf-8" The construct_dom0 function is converted to consume struct boot_module instances for the kernel and ramdisk. With this change, it is no longer necessary for the internal use of struct mod by create_dom0, so they are changed to struct boot_module. Signed-off-by: Daniel P. Smith Reviewed-by: Jason Andryuk --- xen/arch/x86/dom0_build.c | 12 +++++++----- xen/arch/x86/include/asm/setup.h | 6 ++---- xen/arch/x86/setup.c | 19 +++++++++---------- 3 files changed, 18 insertions(+), 19 deletions(-) diff --git a/xen/arch/x86/dom0_build.c b/xen/arch/x86/dom0_build.c index 8d56705a0861..1eff3192f72d 100644 --- a/xen/arch/x86/dom0_build.c +++ b/xen/arch/x86/dom0_build.c @@ -13,6 +13,7 @@ #include =20 #include +#include #include #include #include @@ -596,9 +597,8 @@ int __init dom0_setup_permissions(struct domain *d) return rc; } =20 -int __init construct_dom0(struct domain *d, const module_t *image, - unsigned long image_headroom, module_t *initrd, - const char *cmdline) +int __init construct_dom0(struct domain *d, const struct boot_module *imag= e, + struct boot_module *initrd, const char *cmdline) { int rc; =20 @@ -610,9 +610,11 @@ int __init construct_dom0(struct domain *d, const modu= le_t *image, process_pending_softirqs(); =20 if ( is_hvm_domain(d) ) - rc =3D dom0_construct_pvh(d, image, image_headroom, initrd, cmdlin= e); + rc =3D dom0_construct_pvh(d, image->mod, image->headroom, initrd->= mod, + cmdline); else if ( is_pv_domain(d) ) - rc =3D dom0_construct_pv(d, image, image_headroom, initrd, cmdline= ); + rc =3D dom0_construct_pv(d, image->mod, image->headroom, initrd->m= od, + cmdline); else panic("Cannot construct Dom0. No guest interface available\n"); =20 diff --git a/xen/arch/x86/include/asm/setup.h b/xen/arch/x86/include/asm/se= tup.h index 729f68ca23b8..72d183e8a4de 100644 --- a/xen/arch/x86/include/asm/setup.h +++ b/xen/arch/x86/include/asm/setup.h @@ -27,10 +27,8 @@ void subarch_init_memory(void); void init_IRQ(void); =20 int construct_dom0( - struct domain *d, - const module_t *image, unsigned long image_headroom, - module_t *initrd, - const char *cmdline); + struct domain *d, const struct boot_module *image, + struct boot_module *initrd, const char *cmdline); void setup_io_bitmap(struct domain *d); =20 extern struct boot_info xen_boot_info; diff --git a/xen/arch/x86/setup.c b/xen/arch/x86/setup.c index 5bc667b8b4d4..e7573bc3f40b 100644 --- a/xen/arch/x86/setup.c +++ b/xen/arch/x86/setup.c @@ -945,7 +945,7 @@ static unsigned int __init copy_bios_e820(struct e820en= try *map, unsigned int li return n; } =20 -static struct domain *__init create_dom0(const struct boot_info *bi, +static struct domain *__init create_dom0(struct boot_info *bi, const char *kextra) { static char __initdata cmdline[MAX_GUEST_CMDLINE]; @@ -961,21 +961,19 @@ static struct domain *__init create_dom0(const struct= boot_info *bi, .misc_flags =3D opt_dom0_msr_relaxed ? XEN_X86_MSR_RELAXED : 0, }, }; - unsigned long headroom; unsigned int mod_idx =3D first_boot_module_index(bi, BOOTMOD_RAMDISK); - module_t *image, *initrd; + struct boot_module *image, *initrd; struct domain *d; domid_t domid; =20 /* Map boot_module to mb1 module for dom0 */ - image =3D bi->mods[0].mod; - headroom =3D bi->mods[0].headroom; + image =3D &bi->mods[0]; =20 /* Map boot_module to mb1 module for initrd */ if ( mod_idx < 0 ) initrd =3D NULL; else - initrd =3D bi->mods[mod_idx].mod; + initrd =3D &bi->mods[mod_idx]; =20 if ( opt_dom0_pvh ) { @@ -1002,10 +1000,11 @@ static struct domain *__init create_dom0(const stru= ct boot_info *bi, panic("Error creating d%uv0\n", domid); =20 /* Grab the DOM0 command line. */ - if ( image->string || kextra ) + if ( image->mod->string || kextra ) { - if ( image->string ) - safe_strcpy(cmdline, cmdline_cook(__va(image->string), bi->loa= der)); + if ( image->mod->string ) + safe_strcpy(cmdline, cmdline_cook(__va(image->mod->string), + bi->loader)); =20 if ( kextra ) /* kextra always includes exactly one leading space. */ @@ -1028,7 +1027,7 @@ static struct domain *__init create_dom0(const struct= boot_info *bi, } } =20 - if ( construct_dom0(d, image, headroom, initrd, cmdline) !=3D 0 ) + if ( construct_dom0(d, image, initrd, cmdline) !=3D 0 ) panic("Could not construct domain 0\n"); =20 return d; --=20 2.30.2