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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 30/44] x86/boot: convert dom0_construct_pv initrd param to struct boot_module Date: Fri, 30 Aug 2024 17:47:15 -0400 Message-Id: <20240830214730.1621-31-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: 1725055037223116600 Content-Type: text/plain; charset="utf-8" This changes the type for the initrd parameter of dom0_construct_pv to be s= truct boot_module. This conversion requires several adjustments throughout dom0_c= onstruct_pv to account for the type change. Removes the usage of early_mod field for ra= mdisk module. Signed-off-by: Daniel P. Smith --- xen/arch/x86/dom0_build.c | 2 +- xen/arch/x86/include/asm/dom0_build.h | 2 +- xen/arch/x86/pv/dom0_build.c | 19 ++++++++++--------- 3 files changed, 12 insertions(+), 11 deletions(-) diff --git a/xen/arch/x86/dom0_build.c b/xen/arch/x86/dom0_build.c index 42043230faff..c39588b346b0 100644 --- a/xen/arch/x86/dom0_build.c +++ b/xen/arch/x86/dom0_build.c @@ -612,7 +612,7 @@ int __init construct_dom0(struct domain *d, const struc= t boot_module *image, if ( is_hvm_domain(d) ) rc =3D dom0_construct_pvh(d, image->early_mod, image->headroom, in= itrd->early_mod, cmdline); else if ( is_pv_domain(d) ) - rc =3D dom0_construct_pv(d, image, initrd->early_mod, cmdline); + rc =3D dom0_construct_pv(d, image, initrd, cmdline); 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 a1f36f7d360d..2ce5ea3851af 100644 --- a/xen/arch/x86/include/asm/dom0_build.h +++ b/xen/arch/x86/include/asm/dom0_build.h @@ -15,7 +15,7 @@ int dom0_setup_permissions(struct domain *d); =20 int dom0_construct_pv( struct domain *d, const struct boot_module *image, - module_t *initrd, const char *cmdline); + struct boot_module *initrd, const char *cmdline); =20 int dom0_construct_pvh(struct domain *d, const module_t *image, unsigned long image_headroom, diff --git a/xen/arch/x86/pv/dom0_build.c b/xen/arch/x86/pv/dom0_build.c index db908ddb78b5..dce62d76e41e 100644 --- a/xen/arch/x86/pv/dom0_build.c +++ b/xen/arch/x86/pv/dom0_build.c @@ -356,7 +356,7 @@ static struct page_info * __init alloc_chunk(struct dom= ain *d, =20 int __init dom0_construct_pv(struct domain *d, const struct boot_module *image, - module_t *initrd, + struct boot_module *initrd, const char *cmdline) { int i, rc, order, machine; @@ -376,7 +376,7 @@ int __init dom0_construct_pv(struct domain *d, 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->mod_end : 0; + unsigned long initrd_len =3D initrd ? initrd->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 +612,7 @@ 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->mod_start; + initrd_mfn =3D mfn =3D initrd->start >> PAGE_SHIFT; count =3D PFN_UP(initrd_len); if ( d->arch.physaddr_bitsize && ((mfn + count - 1) >> (d->arch.physaddr_bitsize - PAGE_SHIFT)= ) ) @@ -627,12 +627,13 @@ int __init dom0_construct_pv(struct domain *d, free_domheap_pages(page, order); page +=3D 1UL << order; } - memcpy(page_to_virt(page), mfn_to_virt(initrd->mod_start), + memcpy(page_to_virt(page), maddr_to_virt(initrd->start), initrd_len); - mpt_alloc =3D (paddr_t)initrd->mod_start << PAGE_SHIFT; + mpt_alloc =3D initrd->start; init_domheap_pages(mpt_alloc, mpt_alloc + PAGE_ALIGN(initrd_len)); - initrd->mod_start =3D initrd_mfn =3D mfn_x(page_to_mfn(page)); + initrd_mfn =3D mfn_x(page_to_mfn(page)); + initrd->start =3D initrd_mfn << PAGE_SHIFT; } else { @@ -640,7 +641,7 @@ int __init dom0_construct_pv(struct domain *d, if ( assign_pages(mfn_to_page(_mfn(mfn++)), 1, d, 0) ) BUG(); } - initrd->mod_end =3D 0; + initrd->size =3D initrd->early_mod->mod_end =3D 0; =20 iommu_memory_setup(d, "initrd", mfn_to_page(_mfn(initrd_mfn)), PFN_UP(initrd_len), &flush_flags); @@ -654,7 +655,7 @@ int __init dom0_construct_pv(struct domain *d, nr_pages - domain_tot_pages(d)); if ( initrd ) { - mpt_alloc =3D (paddr_t)initrd->mod_start << PAGE_SHIFT; + mpt_alloc =3D initrd->start; printk("\n Init. ramdisk: %"PRIpaddr"->%"PRIpaddr, mpt_alloc, mpt_alloc + initrd_len); } @@ -882,7 +883,7 @@ int __init dom0_construct_pv(struct domain *d, if ( pfn >=3D initrd_pfn ) { if ( pfn < initrd_pfn + PFN_UP(initrd_len) ) - mfn =3D initrd->mod_start + (pfn - initrd_pfn); + mfn =3D (initrd->start >> PAGE_SHIFT) + (pfn - initrd_pfn); else mfn -=3D PFN_UP(initrd_len); } --=20 2.30.2