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Smith" To: xen-devel@lists.xenproject.org Cc: "Daniel P. Smith" , jason.andryuk@amd.com, christopher.w.clark@gmail.com, Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [PATCH v4 43/44] x86/boot: convert dom0_construct_pv to struct boot_domain Date: Fri, 30 Aug 2024 17:47:28 -0400 Message-Id: <20240830214730.1621-44-dpsmith@apertussolutions.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20240830214730.1621-1-dpsmith@apertussolutions.com> References: <20240830214730.1621-1-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: 1725054806175116600 Content-Type: text/plain; charset="utf-8" With construct_dom0 consuming struct boot_domain, continue passing the structure down to dom0_construct_pv. Signed-off-by: Daniel P. Smith --- xen/arch/x86/dom0_build.c | 2 +- xen/arch/x86/include/asm/dom0_build.h | 5 ++-- xen/arch/x86/pv/dom0_build.c | 36 +++++++++++++-------------- 3 files changed, 20 insertions(+), 23 deletions(-) diff --git a/xen/arch/x86/dom0_build.c b/xen/arch/x86/dom0_build.c index e552f2e9abef..8beb33032940 100644 --- a/xen/arch/x86/dom0_build.c +++ b/xen/arch/x86/dom0_build.c @@ -611,7 +611,7 @@ int __init construct_dom0(struct boot_domain *bd) if ( is_hvm_domain(bd->d) ) rc =3D dom0_construct_pvh(bd->d, bd->kernel, bd->ramdisk, bd->cmdl= ine); else if ( is_pv_domain(bd->d) ) - rc =3D dom0_construct_pv(bd->d, bd->kernel, bd->ramdisk, bd->cmdli= ne); + rc =3D dom0_construct_pv(bd); else panic("Cannot construct Dom0. No guest interface available\n"); =20 diff --git a/xen/arch/x86/include/asm/dom0_build.h b/xen/arch/x86/include/a= sm/dom0_build.h index 8f7b37f3d308..60e9cb21f14d 100644 --- a/xen/arch/x86/include/asm/dom0_build.h +++ b/xen/arch/x86/include/asm/dom0_build.h @@ -4,6 +4,7 @@ #include #include =20 +#include #include =20 extern unsigned int dom0_memflags; @@ -13,9 +14,7 @@ unsigned long dom0_compute_nr_pages(struct domain *d, unsigned long initrd_len); int dom0_setup_permissions(struct domain *d); =20 -int dom0_construct_pv( - struct domain *d, const struct boot_module *image, - struct boot_module *initrd, const char *cmdline); +int dom0_construct_pv(struct boot_domain *bd); =20 int dom0_construct_pvh( struct domain *d, const struct boot_module *image, diff --git a/xen/arch/x86/pv/dom0_build.c b/xen/arch/x86/pv/dom0_build.c index a403e23b2f93..82dc0c379f27 100644 --- a/xen/arch/x86/pv/dom0_build.c +++ b/xen/arch/x86/pv/dom0_build.c @@ -354,10 +354,7 @@ static struct page_info * __init alloc_chunk(struct do= main *d, return page; } =20 -int __init dom0_construct_pv(struct domain *d, - const struct boot_module *image, - struct boot_module *initrd, - const char *cmdline) +int __init dom0_construct_pv(struct boot_domain *bd) { int i, rc, order, machine; bool compatible, compat; @@ -372,11 +369,12 @@ int __init dom0_construct_pv(struct domain *d, struct page_info *page =3D NULL; unsigned int flush_flags =3D 0; start_info_t *si; - struct vcpu *v =3D d->vcpu[0]; - void *image_base =3D bootstrap_map_bm(image); - unsigned long image_len =3D image->size; - void *image_start =3D image_base + image->headroom; - unsigned long initrd_len =3D initrd ? initrd->size : 0; + struct domain *d =3D bd->d; + struct vcpu *v =3D bd->d->vcpu[0]; + void *image_base =3D bootstrap_map_bm(bd->kernel); + unsigned long image_len =3D bd->kernel->size; + void *image_start =3D image_base + bd->kernel->headroom; + unsigned long initrd_len =3D bd->ramdisk ? bd->ramdisk->size : 0; l4_pgentry_t *l4tab =3D NULL, *l4start =3D NULL; l3_pgentry_t *l3tab =3D NULL, *l3start =3D NULL; l2_pgentry_t *l2tab =3D NULL, *l2start =3D NULL; @@ -612,7 +610,7 @@ int __init dom0_construct_pv(struct domain *d, initrd_pfn =3D vinitrd_start ? (vinitrd_start - v_start) >> PAGE_SHIFT : domain_tot_pages(d); - initrd_mfn =3D mfn =3D initrd->start >> PAGE_SHIFT; + initrd_mfn =3D mfn =3D bd->ramdisk->start >> PAGE_SHIFT; count =3D PFN_UP(initrd_len); if ( d->arch.physaddr_bitsize && ((mfn + count - 1) >> (d->arch.physaddr_bitsize - PAGE_SHIFT)= ) ) @@ -627,13 +625,13 @@ int __init dom0_construct_pv(struct domain *d, free_domheap_pages(page, order); page +=3D 1UL << order; } - memcpy(page_to_virt(page), maddr_to_virt(initrd->start), + memcpy(page_to_virt(page), maddr_to_virt(bd->ramdisk->start), initrd_len); - mpt_alloc =3D initrd->start; + mpt_alloc =3D bd->ramdisk->start; init_domheap_pages(mpt_alloc, mpt_alloc + PAGE_ALIGN(initrd_len)); initrd_mfn =3D mfn_x(page_to_mfn(page)); - initrd->start =3D initrd_mfn << PAGE_SHIFT; + bd->ramdisk->start =3D initrd_mfn << PAGE_SHIFT; } else { @@ -641,7 +639,7 @@ int __init dom0_construct_pv(struct domain *d, if ( assign_pages(mfn_to_page(_mfn(mfn++)), 1, d, 0) ) BUG(); } - initrd->size =3D 0; + bd->ramdisk->size =3D 0; =20 iommu_memory_setup(d, "initrd", mfn_to_page(_mfn(initrd_mfn)), PFN_UP(initrd_len), &flush_flags); @@ -653,9 +651,9 @@ int __init dom0_construct_pv(struct domain *d, if ( domain_tot_pages(d) < nr_pages ) printk(" (%lu pages to be allocated)", nr_pages - domain_tot_pages(d)); - if ( initrd ) + if ( bd->ramdisk ) { - mpt_alloc =3D initrd->start; + mpt_alloc =3D bd->ramdisk->start; printk("\n Init. ramdisk: %"PRIpaddr"->%"PRIpaddr, mpt_alloc, mpt_alloc + initrd_len); } @@ -883,7 +881,7 @@ int __init dom0_construct_pv(struct domain *d, if ( pfn >=3D initrd_pfn ) { if ( pfn < initrd_pfn + PFN_UP(initrd_len) ) - mfn =3D (initrd->start >> PAGE_SHIFT) + (pfn - initrd_pfn); + mfn =3D (bd->ramdisk->start >> PAGE_SHIFT) + (pfn - initrd= _pfn); else mfn -=3D PFN_UP(initrd_len); } @@ -953,8 +951,8 @@ int __init dom0_construct_pv(struct domain *d, } =20 memset(si->cmd_line, 0, sizeof(si->cmd_line)); - if ( cmdline !=3D NULL ) - strlcpy((char *)si->cmd_line, cmdline, sizeof(si->cmd_line)); + if ( bd->cmdline[0] !=3D '\0' ) + strlcpy((char *)si->cmd_line, bd->cmdline, sizeof(si->cmd_line)); =20 #ifdef CONFIG_VIDEO if ( !pv_shim && fill_console_start_info((void *)(si + 1)) ) --=20 2.30.2