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2011-12-30Cope with dom0s which do not respect feature-no-csum-offloadSamuel Thibault
Event with feature-no-csum-offload=1, some dom0s (such as Debian Squeeze's 2.6.32) send packets with a blank checksum. Recompute them before givin the packet to pfinet. * xen/net.c (recompute_checksum): New function. (hyp_net_intr): Call recompute_checksum when the checksum is blank but the data is validated.
2011-10-16Do not map xen driver pagesSamuel Thibault
* xen/block.c (hyp_block_init): Use vm_page_grab_phys_addr instead of kmem_alloc_wired to allocate driver pages. * xen/net.c (hyp_net_init): Likewise.
2011-09-12Remove unused [!MACH_KERNEL] driver codeGuillem Jover
Use «unifdef -DMACK_KERNEL=1» as a starting point, but only remove the code not exposed on public headers, the rest is needed to build properly from userland. * device/cons.c [!MACH_KERNEL]: Remove includes. [!MACH_KERNEL] (constty): Remove variable. (cninit, cnmaygetc) [MACH_KERNEL]: Remove preprocessor conditionals. [!MACH_KERNEL] (cnopen, cnclose, cnread, cnwrite, cnioctl, cnselect) (cncontrol): Remove functions. * device/cons.h (struct consdev) [MACH_KERNEL]: Remove preprocessor conditional. * device/kmsg.h [MACH_KERNEL]: Likewise. * i386/i386at/autoconf.c [!MACH_KERNEL]: Remove includes. * i386/i386at/kd_event.c [!MACH_KERNEL]: Likewise. [!MACH_KERNEL] (kbd_sel, kbdpgrp, kbdflag): Remove variables. [!MACH_KERNEL] (KBD_COLL, KBD_ASYNC, KBD_NBIO): Remove macros. (kbdopen, kbdclose, kbd_enqueue) [!MACH_KERNEL]: Remove code. [!MACH_KERNEL] (kbdioctl, kbdselect, kbdread): Remove functions. [!MACH_KERNEL] (X_kdb_enter_init, X_kdb_exit_init: Likewise. * i386/i386at/kd_mouse.c [!MACH_KERNEL]: Remove includes. [!MACH_KERNEL] (mouse_sel, mousepgrp, mouseflag): Remove variables. [!MACH_KERNEL] (MOUSE_COLL, MOUSE_ASYNC, MOUSE_NBIO): Remove macros. (mouseopen, mouseclose, kd_mouse_read, mouse_enqueue) [!MACH_KERNEL]: Remove code. [!MACH_KERNEL] (mouseioctl, mouseselect, mouseread): Remove functions. * i386/i386at/lpr.c [!MACH_KERNEL]: Remove includes. (lpropen) [MACH_KERNEL]: Remove preprocessor conditionals. (lpropen, lprclose, lprstart) [!MACH_KERNEL]: Remove code. [!MACH_KERNEL] (lprwrite, lprioctl, lprstop): Remove functions. * i386/i386at/rtc.c (readtodc, writetodc) [!MACH_KERNEL]: Remove code. * kern/mach_factor.c [MACH_KERNEL]: Remove preprocessor conditional. * xen/time.c (readtodc) [!MACH_KERNEL]: Remove code.
2011-08-30Fix copyright assignmentSamuel Thibault
I have assigned copyright to the Free Software Foundation. * i386/i386/xen.h: Fix copyright assignment * i386/xen/xen.c: Likewise. * i386/xen/xen_boothdr.S: Likewise. * i386/xen/xen_locore.S: Likewise. * include/mach/xen.h: Likewise. * xen/block.c: Likewise. * xen/block.h: Likewise. * xen/console.c: Likewise. * xen/console.h: Likewise. * xen/evt.c: Likewise. * xen/evt.h: Likewise. * xen/grant.c: Likewise. * xen/grant.h: Likewise. * xen/net.c: Likewise. * xen/net.h: Likewise. * xen/ring.c: Likewise. * xen/ring.h: Likewise. * xen/store.c: Likewise. * xen/store.h: Likewise. * xen/time.c: Likewise. * xen/time.h: Likewise. * xen/xen.c: Likewise. * xen/xen.h: Likewise.
2011-08-30Console declaration cleanupSamuel Thibault
* device/cons.h: Add multiple inclusion _DEVICE_CONS_H macro protector. (struct consdev): Add function members prototypes. * i386/i386/xen.h: Include <mach/xen.h>. * i386/i386at/com.c (comcnprobe, comcninit, comcngetc, comcnputc): Move prototypes... * i386/i386at/com.h: ... here. Include <device/cons.h>. * i386/i386at/cons_conf.c [MACH_HYP]: Include <xen/console.h>. [!MACH_HYP]: Include "kd.h". [!MACH_HYP && NCOM > 0]: Include "com.h". (hypcnprobe, hypcninit, hypcngetc, hypcnputc, kdcnprobe, kdcninit, kdcngetc, kdcnputc comcnprobe, comcninit, comcngetc, comcnputc): Remove prototypes. * i386/i386at/kd.c (kdcnputc): Make it return int, -1 on error, 0 on success. (kdcnprobe, kdcninit, kdcngetc, kdcnputc): Move prototypes... * i386/i386at/kd.h: ... here. Include <device/cons.h>. * xen/console.c (hypcnprobe): Remove unused `my_console' local variable. * xen/console.h: Include <device/cons.h> (hypcnputc, hypcngetc, hypcnprobe, hypcninit): Add prototypes.
2011-08-28Disable (<i486)-only WP workaround on Xen & PAESamuel Thibault
i386 didn't support PAE anyway. * i386/i386/locore.S (copyout_retry) [MACH_HYP || PAE]: Remove. * xen/xen.c (hyp_invalidate_pte): Remove function. * xen/xen.h (hyp_invalidate_pte): Remove prototype.
2011-02-09xen block: Add more legacy hd* name supportSamuel Thibault
* xen/block.c (hyp_block_init): Add IDE 3-10 device number recognition. Skip unknown block device numbers.
2011-02-07Defer Xen device initialization to device_service_createSamuel Thibault
* device/device_init.c (device_service_create) [MACH_HYP]: Call hyp_dev_init. * xen/xen.c (hyp_init): Do not call hyp_block_init and hyp_net_init, now called in ... (hyp_dev_init): New function. * xen/xen.h (hyp_dev_init): New declaration.
2011-02-07Add rx-copy support to netfrontSamuel Thibault
* xen/net.c (net_data): Add rx_copy field. (enqueue_rx_buf): When rx_copy != 0, give grant on buffer to domD instead of issuing a transfer from domD. (hyp_net_intr): When rx_copy != 0, take back grant on buffer instead of finishing transfer. Do not panic on packet error, free kmsg on error. (hyp_net_init): Check for feature-rx-copy in backend, write 1 to request-rx-copy in such case. Wait for Connected state before continuing. Only unmap buffer when rx_copy is 0.
2010-08-27Fix "make dist"Guillem Jover
* Makefile.am (EXTRA_DIST): Remove ChangeLog.0, ChangeLog.00 and Makefile.correct_output_files_for_.S_files.patch. * Makefrag.am (libkernel_a_SOURCES): Add ipc/mach_port.h, kern/ipc_mig.h, kern/machine.h, util/putchar.h, util/atoi.h, vm/vm_resident.h, vm/vm_types.h and device/subrs.h. Remove kern/time_out.h. * i386/Makefrag.am (libkernel_a_SOURCES): Add i386/i386at/autoconf.h, i386/i386at/com.h, i386/i386at/int_init.h, i386/i386/loose_ends.h, i386/i386/model_dep.h, i386/intel/read_fault.h and i386/i386/xen.h. Remove i386/i386/timer.h. * linux/Makefrag.am (liblinux_a_SOURCES): Add linux/src/drivers/net/sis900.h. * xen/Makefrag.am (libkernel_a_SOURCES): Add xen/public/arch-x86_32.h xen/public/arch-x86_64.h, xen/public/arch-x86/xen.h, xen/public/arch-x86/xen-mca.h, xen/public/arch-x86/xen-x86_32.h, xen/public/arch-x86/xen-x86_64.h, xen/public/callback.h, xen/public/COPYING, xen/public/dom0_ops.h, xen/public/domctl.h, xen/public/elfnote.h, xen/public/elfstructs.h, xen/public/event_channel.h, xen/public/features.h, xen/public/grant_table.h, xen/public/io/blkif.h, xen/public/io/console.h, xen/public/io/fbif.h, xen/public/io/fsif.h, xen/public/io/kbdif.h, xen/public/io/netif.h, xen/public/io/pciif.h, xen/public/io/protocols.h, xen/public/io/ring.h, xen/public/io/tpmif.h, xen/public/io/xenbus.h, xen/public/io/xs_wire.h, xen/public/kexec.h, xen/public/libelf.h, xen/public/memory.h, xen/public/nmi.h, xen/public/physdev.h, xen/public/platform.h, xen/public/sched.h, xen/public/sysctl.h, xen/public/trace.h, xen/public/vcpu.h, xen/public/version.h, xen/public/xencomm.h, xen/public/xen-compat.h, xen/public/xen.h, xen/public/xenoprof.h, xen/block.h, xen/console.h, xen/evt.h, xen/grant.h, xen/net.h, xen/ring.h, xen/store.h, xen/time.h and xen/xen.h.
2010-04-08Extend machine addresses to 64bit for PAESamuel Thibault
* i386/i386/pcb.c (switch_ktss): Use uint64_t for descriptor type instead of unsigned long long. * i386/i386/seg.h (fill_descriptor): Use uint64_t for descriptor type instead of unsigned long long. Cast result of kv_to_ma() into vm_offset_t before printing. * i386/i386/xen.h (hyp_mmu_update_pte): Use pt_entry_t type instead of unsigned long long, make pte parameter a pt_entry_t too. (hyp_mmu_update_pte): Compute pte address just using pt_entry_t integers. (hyp_high): New macro to fix 32bit right shifting. (hyp_do_update_descriptor): Use pt_entry_t type for machine address instead of unsigned long. Split it in 32bit parts. Use uint64_t for descriptor type instead of unsigned long long. (update_va_mapping): Use pt_entry_t type instead of unsigned long long. Use hyp_high macro. (hyp_invlpg): Use uint64_t for time type instead of unsigned long long. * i386/intel/pmap.c (pmap_bootstrap): Use ptetokv instead of pte_to_pa + phystokv. Cast machine addresses into vm_offset_t before printing. (pmap_set_page_readwrite): Likewise. (pmap_set_page_readonly): Likewise (pmap_set_page_readonly_init): Likewise (pmap_clear_bootstrap_pagetable): Likewise (pmap_destroy): Likewise (pmap_map_mfn): Use pt_entry_t type for machine addresses. Cast machine addresses into vm_offset_t before printing. * i386/intel/pmap.h [PAE] (INTEL_PTE_PFN): Set macro to 0xfffffffffffff000ULL. * include/mach/xen.h [PAE] (pa_to_ma, ma_to_pa): Use pt_entry_t type for machine addresses. [!PAE] (pa_to_ma): Remove cast to vm_offset_t. (mfn_to_kv): Use mfn_to_pfn + ptoa instead of ptoa + ma_to_pa. * xen/xen.c (hyp_invalidate_pte): Cast machine addresses into vm_offset_t before printing.
2010-03-14Fix Xen build without kdbSamuel Thibault
* xen/console.c (hypcnintr): Use #if MACH_KDB instead of #ifdef MACH_KDB.
2009-12-22Fix debugger triggerroot
* i386/i386/locore.S [MACH_XEN] (RET_OFFSET): Define to 8 * xen/console.c (hypcnintr): On pound sign, call kdb_kintr instead of panicing.
2009-12-16Add Xen supportSamuel Thibault
2009-03-11 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/i386/vm_param.h (VM_MIN_KERNEL_ADDRESS) [MACH_XEN]: Set to 0x20000000. * i386/i386/i386asm.sym (pfn_list) [VM_MIN_KERNEL_ADDRESS == LINEAR_MIN_KERNEL_ADDRESS]: Define to constant PFN_LIST. 2009-02-27 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/intel/pmap.c [MACH_HYP] (INVALIDATE_TLB): Call hyp_invlpg instead of flush_tlb when e - s is compile-time known to be PAGE_SIZE. 2008-11-27 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/configfrag.ac (enable_pae): Enable by default on the Xen platform. 2007-11-14 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/i386at/model_dep.c (machine_relax): New function. (c_boot_entry): Refuse to boot as dom0. 2007-10-17 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/i386/fpu.c [MACH_XEN]: Disable unused fpintr(). 2007-08-12 Samuel Thibault <samuel.thibault@ens-lyon.org> * Makefile.am (clib_routines): Add _START. * i386/xen/xen_boothdr: Use _START for VIRT_BASE and PADDR_OFFSET. Add GUEST_VERSION and XEN_ELFNOTE_FEATURES. 2007-06-13 Samuel Thibault <samuel.thibault@ens-lyon.org> * i386/i386/user_ldt.h (user_ldt) [MACH_XEN]: Add alloc field. * i386/i386/user_ldt.c (i386_set_ldt) [MACH_XEN]: Round allocation of LDT to a page, set back LDT pages read/write before freeing them. (user_ldt_free) [MACH_XEN]: Likewise. 2007-04-18 Samuel Thibault <samuel.thibault@ens-lyon.org> * device/ds_routines.c [MACH_HYP]: Add hypervisor block and net devices. 2007-02-19 Thomas Schwinge <tschwinge@gnu.org> * i386/xen/Makefrag.am [PLATFORM_xen] (gnumach_LINKFLAGS): Define. * Makefrag.am: Include `xen/Makefrag.am'. * configure.ac: Include `xen/configfrag.ac'. (--enable-platform): Support the `xen' platform. * i386/configfrag.ac: Likewise. * i386/Makefrag.am [PLATFORM_xen]: Include `i386/xen/Makefrag.am'. 2007-02-19 Samuel Thibault <samuel.thibault@ens-lyon.org> Thomas Schwinge <tschwinge@gnu.org> * i386/xen/Makefrag.am: New file. * xen/Makefrag.am: Likewise. * xen/configfrag.ac: Likewise. 2007-02-11 (and later dates) Samuel Thibault <samuel.thibault@ens-lyon.org> Xen support * Makefile.am (clib_routines): Add _start. * Makefrag.am (include_mach_HEADERS): Add include/mach/xen.h. * device/cons.c (cnputc): Call hyp_console_write. * i386/Makefrag.am (libkernel_a_SOURCES): Move non-Xen source to [PLATFORM_at]. * i386/i386/debug_trace.S: Include <i386/xen.h> * i386/i386/fpu.c [MACH_HYP] (init_fpu): Call set_ts() and clear_ts(), do not enable CR0_EM. * i386/i386/gdt.c: Include <mach/xen.h> and <intel/pmap.h>. [MACH_XEN]: Make gdt array extern. [MACH_XEN] (gdt_init): Register gdt with hypervisor. Request 4gb segments assist. Shift la_shift. [MACH_PSEUDO_PHYS] (gdt_init): Shift pfn_list. * i386/i386/gdt.h [MACH_XEN]: Don't define KERNEL_LDT and LINEAR_DS. * i386/i386/i386asm.sym: Include <i386/xen.h>. [MACH_XEN]: Remove KERNEL_LDT, Add shared_info's CPU_CLI, CPU_PENDING, CPU_PENDING_SEL, PENDING, EVTMASK and CR2. * i386/i386/idt.c [MACH_HYP] (idt_init): Register trap table with hypervisor. * i386/i386/idt_inittab.S: Include <i386/i386asm.h>. [MACH_XEN]: Set IDT_ENTRY() for hypervisor. Set trap table terminator. * i386/i386/ktss.c [MACH_XEN] (ktss_init): Request exception task switch from hypervisor. * i386/i386/ldt.c: Include <mach/xen.h> and <intel/pmap.h> [MACH_XEN]: Make ldt array extern. [MACH_XEN] (ldt_init): Set ldt readwrite. [MACH_HYP] (ldt_init): Register ldt with hypervisor. * i386/i386/locore.S: Include <i386/xen.h>. Handle KERNEL_RING == 1 case. [MACH_XEN]: Read hyp_shared_info's CR2 instead of %cr2. [MACH_PSEUDO_PHYS]: Add mfn_to_pfn computation. [MACH_HYP]: Drop Cyrix I/O-based detection. Read cr3 instead of %cr3. Make hypervisor call for pte invalidation. * i386/i386/mp_desc.c: Include <mach/xen.h>. [MACH_HYP] (mp_desc_init): Panic. * i386/i386/pcb.c: Include <mach/xen.h>. [MACH_XEN] (switch_ktss): Request stack switch from hypervisor. [MACH_HYP] (switch_ktss): Request ldt and gdt switch from hypervisor. * i386/i386/phys.c: Include <mach/xen.h> [MACH_PSEUDO_PHYS] (kvtophys): Do page translation. * i386/i386/proc_reg.h [MACH_HYP] (cr3): New declaration. (set_cr3, get_cr3, set_ts, clear_ts): Implement macros. * i386/i386/seg.h [MACH_HYP]: Define KERNEL_RING macro. Include <mach/xen.h> [MACH_XEN] (fill_descriptor): Register descriptor with hypervisor. * i386/i386/spl.S: Include <i386/xen.h> and <i386/i386/asm.h> [MACH_XEN] (pic_mask): #define to int_mask. [MACH_XEN] (SETMASK): Implement. * i386/i386/vm_param.h [MACH_XEN] (HYP_VIRT_START): New macro. [MACH_XEN]: Set VM_MAX_KERNEL_ADDRESS to HYP_VIRT_START- LINEAR_MIN_KERNEL_ADDRESS + VM_MIN_KERNEL_ADDRESS. Increase KERNEL_STACK_SIZE and INTSTACK_SIZE to 4 pages. * i386/i386at/conf.c [MACH_HYP]: Remove hardware devices, add hypervisor console device. * i386/i386at/cons_conf.c [MACH_HYP]: Add hypervisor console device. * i386/i386at/model_dep.c: Include <sys/types.h>, <mach/xen.h>. [MACH_XEN] Include <xen/console.h>, <xen/store.h>, <xen/evt.h>, <xen/xen.h>. [MACH_PSEUDO_PHYS]: New boot_info, mfn_list, pfn_list variables. [MACH_XEN]: New la_shift variable. [MACH_HYP] (avail_next, mem_size_init): Drop BIOS skipping mecanism. [MACH_HYP] (machine_init): Call hyp_init(), drop hardware initialization. [MACH_HYP] (machine_idle): Call hyp_idle(). [MACH_HYP] (halt_cpu): Call hyp_halt(). [MACH_HYP] (halt_all_cpus): Call hyp_reboot() or hyp_halt(). [MACH_HYP] (i386at_init): Initialize with hypervisor. [MACH_XEN] (c_boot_entry): Add Xen-specific initialization. [MACH_HYP] (init_alloc_aligned, pmap_valid_page): Drop zones skipping mecanism. * i386/intel/pmap.c: Include <mach/xen.h>. [MACH_PSEUDO_PHYS] (WRITE_PTE): Do page translation. [MACH_HYP] (INVALIDATE_TLB): Request invalidation from hypervisor. [MACH_XEN] (pmap_map_bd, pmap_create, pmap_destroy, pmap_remove_range) (pmap_page_protect, pmap_protect, pmap_enter, pmap_change_wiring) (pmap_attribute_clear, pmap_unmap_page_zero, pmap_collect): Request MMU update from hypervisor. [MACH_XEN] (pmap_bootstrap): Request pagetable initialization from hypervisor. [MACH_XEN] (pmap_set_page_readwrite, pmap_set_page_readonly) (pmap_set_page_readonly_init, pmap_clear_bootstrap_pagetable) (pmap_map_mfn): New functions. * i386/intel/pmap.h [MACH_XEN] (INTEL_PTE_GLOBAL): Disable global page support. [MACH_PSEUDO_PHYS] (pte_to_pa): Do page translation. [MACH_XEN] (pmap_set_page_readwrite, pmap_set_page_readonly) (pmap_set_page_readonly_init, pmap_clear_bootstrap_pagetable) (pmap_map_mfn): Declare functions. * i386/i386/xen.h: New file. * i386/xen/xen.c: New file. * i386/xen/xen_boothdr.S: New file. * i386/xen/xen_locore.S: New file. * include/mach/xen.h: New file. * kern/bootstrap.c [MACH_XEN] (boot_info): Declare variable. [MACH_XEN] (bootstrap_create): Rebase multiboot header. * kern/debug.c: Include <mach/xen.h>. [MACH_HYP] (panic): Call hyp_crash() without delay. * linux/dev/include/asm-i386/segment.h [MACH_HYP] (KERNEL_CS) (KERNEL_DS): Use ring 1. * xen/block.c: New file. * xen/block.h: Likewise. * xen/console.c: Likewise. * xen/console.h: Likewise. * xen/evt.c: Likewise. * xen/evt.h: Likewise. * xen/grant.c: Likewise. * xen/grant.h: Likewise. * xen/net.c: Likewise. * xen/net.h: Likewise. * xen/ring.c: Likewise. * xen/ring.h: Likewise. * xen/store.c: Likewise. * xen/store.h: Likewise. * xen/time.c: Likewise. * xen/time.h: Likewise. * xen/xen.c: Likewise. * xen/xen.h: Likewise. * xen/public/COPYING: Import file from Xen. * xen/public/callback.h: Likewise. * xen/public/dom0_ops.h: Likewise. * xen/public/domctl.h: Likewise. * xen/public/elfnote.h: Likewise. * xen/public/elfstructs.h: Likewise. * xen/public/event_channel.h: Likewise. * xen/public/features.h: Likewise. * xen/public/grant_table.h: Likewise. * xen/public/kexec.h: Likewise. * xen/public/libelf.h: Likewise. * xen/public/memory.h: Likewise. * xen/public/nmi.h: Likewise. * xen/public/physdev.h: Likewise. * xen/public/platform.h: Likewise. * xen/public/sched.h: Likewise. * xen/public/sysctl.h: Likewise. * xen/public/trace.h: Likewise. * xen/public/vcpu.h: Likewise. * xen/public/version.h: Likewise. * xen/public/xen-compat.h: Likewise. * xen/public/xen.h: Likewise. * xen/public/xencomm.h: Likewise. * xen/public/xenoprof.h: Likewise. * xen/public/arch-x86/xen-mca.h: Likewise. * xen/public/arch-x86/xen-x86_32.h: Likewise. * xen/public/arch-x86/xen-x86_64.h: Likewise. * xen/public/arch-x86/xen.h: Likewise. * xen/public/arch-x86_32.h: Likewise. * xen/public/arch-x86_64.h: Likewise. * xen/public/io/blkif.h: Likewise. * xen/public/io/console.h: Likewise. * xen/public/io/fbif.h: Likewise. * xen/public/io/fsif.h: Likewise. * xen/public/io/kbdif.h: Likewise. * xen/public/io/netif.h: Likewise. * xen/public/io/pciif.h: Likewise. * xen/public/io/protocols.h: Likewise. * xen/public/io/ring.h: Likewise. * xen/public/io/tpmif.h: Likewise. * xen/public/io/xenbus.h: Likewise. * xen/public/io/xs_wire.h: Likewise.
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