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2016-02-27No need for a new kind of notification, we can provide a smoother upgrade pathJustus Winter
2016-02-25Rework/comment on the userspace interrupt handlingJustus Winter
2016-02-2570_dde.patchJustus Winter
2016-01-29Disable probing legacy IDE when AHCI driver worksSamuel Thibault
* linux/src/drivers/block/ide.c (default_io_base): Do not qualify const. (ide_disable_base): New function. * linux/dev/include/linux/blk.h (ide_disable_base): New declaration. * linux/dev/drivers/block/ahci.c (ahci_probe_dev): Call ide_disable_base with each I/O BAR of the AHCI PCI card.
2016-01-29Use PCI macrosSamuel Thibault
* linux/dev/drivers/block/ahci.c (ahci_probe_dev): Use PCI_BASE_ADDRESS_SPACE_IO and PCI_BASE_ADDRESS_MEM_MASK macros instead of hardcoded values.
2016-01-29ahci: print PCI bus/dev/fun in hexadecimalSamuel Thibault
* linux/dev/drivers/block/ahci.c: Print PCI bus/dev/fun number in hexadecimal
2016-01-23Use vm_page as the physical memory allocatorRichard Braun
This change replaces the historical page allocator with a buddy allocator implemented in vm/vm_page.c. This allocator allows easy contiguous allocations and also manages memory inside segments. In a future change, these segments will be used to service requests with special constraints, such as "usable for 16-bits DMA" or "must be part of the direct physical mapping". * Makefrag.am (libkernel_a_SOURCES): Add vm/vm_page.c. * i386/Makefrag.am (libkernel_a_SOURCES): Add i386/i386at/biosmem.{c,h}. * i386/i386/vm_param.h: Include kern/macros.h. (VM_PAGE_DMA_LIMIT, VM_PAGE_MAX_SEGS, VM_PAGE_DMA32_LIMIT, VM_PAGE_DIRECTMAP_LIMIT, VM_PAGE_HIGHMEM_LIMIT, VM_PAGE_SEG_DMA, VM_PAGE_SEG_DMA32, VM_PAGE_SEG_DIRECTMAP, VM_PAGE_SEG_HIGHMEM): New macros. * i386/i386at/model_dep.c: Include i386at/biosmem.h. (avail_next, avail_remaining): Remove variables. (mem_size_init): Remove function. (i386at_init): Initialize and use the biosmem module for early physical memory management. (pmap_free_pages): Return phys_last_addr instead of avail_remaining. (init_alloc_aligned): Turn into a wrapper for biosmem_bootalloc. (pmap_grab_page): Directly call init_alloc_aligned instead of pmap_next_page. * i386/include/mach/i386/vm_types.h (phys_addr_t): New type. * kern/bootstrap.c (free_bootstrap_pages): New function. (bootstrap_create): Call free_bootstrap_pages instead of vm_page_create. * kern/cpu_number.h (CPU_L1_SIZE): New macro. * kern/slab.h: Include kern/cpu_number.h. (CPU_L1_SIZE): Remove macro, moved to kern/cpu_number.h. * kern/startup.c (setup_main): Change the value of machine_info.memory_size. * linux/dev/glue/glue.h (alloc_contig_mem, free_contig_mem): Update prototypes. * linux/dev/glue/kmem.c (linux_kmem_init): Don't use defunct page queue. * linux/dev/init/main.c (linux_init): Don't free unused memory. (alloc_contig_mem, free_contig_mem): Turn into wrappers for the vm_page allocator. * linux/pcmcia-cs/glue/ds.c (PAGE_SHIFT): Don't undefine. * vm/pmap.h (pmap_startup, pmap_next_page): Remove prototypes. * vm/vm_fault.c (vm_fault_page): Update calls to vm_page_convert. * vm/vm_init.c (vm_mem_init): Call vm_page_info_all. * vm/vm_object.c (vm_object_page_map): Update call to vm_page_init. * vm/vm_page.h (vm_page_queue_free): Remove variable declaration. (vm_page_create, vm_page_release_fictitious, vm_page_release): Remove declarations. (vm_page_convert, vm_page_init): Update prototypes. (vm_page_grab_contig, vm_page_free_contig): New prototypes. * vm/vm_resident.c (vm_page_template, vm_page_queue_free, vm_page_big_pagenum): Remove variables. (vm_page_bootstrap): Update and call vm_page_setup. (pmap_steal_memory): Update and call vm_page_bootalloc. (pmap_startup, vm_page_create, vm_page_grab_contiguous_pages): Remove functions. (vm_page_init_template, vm_page_grab_contig, vm_page_free_contig): New functions. (vm_page_init): Update and call vm_page_init_template. (vm_page_release_fictitious): Make static. (vm_page_more_fictitious): Update call to vm_page_init. (vm_page_convert): Rewrite to comply with vm_page. (vm_page_grab): Update and call vm_page_alloc_pa. (vm_page_release): Update and call vm_page_free_pa.
2016-01-02replace extern with static in some linux codeFlavio Cruz
* linux/dev/include/linux/fs.h: Replace extern with static. * linux/dev/include/linux/locks.h: Likewise. * linux/dev/include/linux/mm.h: Likewise. * linux/src/drivers/net/e2100.c: Likewise * linux/src/include/asm-i386/termios.h: Likewise. * linux/src/include/linux/interrupt.h: Likewise. * linux/src/include/net/route.h: Likewise. * linux/src/include/net/sock.h: Likewise.
2016-01-01remove unnused disk code and headersFlavio Cruz
* i386/Makefrag.am: Remove disk.h. * i386/i386at/disk.h: Remove unnused definitions. * i386/include/mach/i386/disk.h: Remove. * linux/dev/glue/block.c (device_get_status): Remove V_GETPARMS case.
2016-01-01fix some compiler warnings in gnumachFlavio Cruz
* linux/dev/glue/block.c (out): Cast to device_t. * linux/dev/init/main.c (alloc_contig_mem): Initialize addr and cast return value to void *. * i386/i386/phys.c (pmap_copy_page): Initialize src_map. * i386/intel/pmap.c: Include i386at/model_dep.h. * kern/mach_clock.c (mapable_time_init): Cast to void *.
2015-11-27Fix ahci unit MAX_PORTS checkSamuel Thibault
* linux/dev/drivers/block/ahci.c (ahci_do_request): Fix checking unit against MAX_PORTS.
2015-11-27Fix missing format in printkSamuel Thibault
* linux/dev/drivers/block/ahci.c (ahci_probe_dev): Add missing format.
2015-07-07Fix build with -O0Samuel Thibault
* linux/src/include/linux/string.h (strcpy, strncpy, strcat, strncat, strchr, strrchr, strlen, strnlen, strcmp, strncmp, memmove, memscan): Comment out extern declarations. * linux/dev/include/asm-i386/string.h (strcpy, strncpy, strcat, strncat, strcmp, strncmp, strchr, strrchr, strlen, __memcpy, __constant_memcpy, memmove, memchr, __memset_generic, __constant_c_memset, strnlen, __constant_c_and_count_memset, memscan): Turn extern inline into static inline. * linux/dev/include/linux/fs.h (mark_buffer_uptodate): Likewise. * linux/src/include/asm-i386/bitops.h (set_bit, clear_bit, change_bit, test_and_set_bit, test_and_clear_bit, test_and_change_bit, test_bit, find_first_zero_bit, find_next_zero_bit, ffz, ffs): Likewise. * linux/src/include/asm-i386/io.h (virt_to_phys, phys_to_virt, __out##s, __in##s, ins##s, outs##s): Likewise. * linux/src/include/asm-i386/semaphore.h (down, down_interruptible, up): Likewise. * linux/src/include/asm-i386/segment.h [!__OPTIMIZE]: Emit an ud2 instruction instead of an undefined reference.
2015-06-30Fix restoring interrupts on timeoutSamuel Thibault
* linux/dev/drivers/block/ahci.c (ahci_identify): Restore flags before returning on timeout.
2015-06-29Print about powered-down AHCI portsSamuel Thibault
* linux/dev/drivers/block/ahci.c (ahci_probe_dev): Print messages when device is present but powered down.
2015-05-23Add stdint integer types in Linux glueSamuel Thibault
* linux/dev/include/linux/types.h (int8_t, uint8_t, int16_t, uint16_t, int32_t, uint32_t, int64_t, uint64_t): New types.
2015-03-05Show odd number of portsSamuel Thibault
* linux/dev/drivers/block/ahci.c (ahci_probe_dev): Show odd number of ports.
2015-02-20linux: fix compiler warningJustus Winter
If the loop above completes at least one iteration, `i' will be larger than zero. * linux/dev/glue/block.c (rdwr_full): Add assertion to appease the compiler.
2014-11-23Fix programming PIT counterSamuel Thibault
* linux/dev/arch/i386/kernel/irq.c (init_IRQ): Properly mask 8 bits of PIT counter.
2014-11-12Pass ide and hd kernel options to ide driverSamuel Thibault
* linux/dev/drivers/block/genhd.c: Include <linux/hdreg.h> and <alloca.h> (device_setup): Look for ide and hd options, and call ide_setup with them. * linux/src/drivers/block/ide.c (ide_setup) [MACH]: Parse hd[0-7] instead of hd[a-h].
2014-04-04Fix prototypeSamuel Thibault
* linux/dev/glue/block.c (device_set_status): Fix prototype.
2014-03-17Increase possible number of AHCI devices to 8Samuel Thibault
by reducing possible number of partitions to 32. * linux/dev/drivers/block/ahci.c (MAX_PORTS): Set to 8. (PARTN_BITS): Set to 5.
2014-02-23AHCI driver cleanupsSamuel Thibault
* linux/dev/drivers/block/ahci.c (struct port): Add id and is_cd fields. (ahci_end_request): Only print error if quiet flag of the request is not set. (ahci_do_port_request): Upgrade sector parameter to 64 bit. Include those bits in the LBA48 request. (ahci_do_request): Upgrade sector count to 64bit. Only print errors if quiet flag of the request is not set. (ahci_probe_port): Move identify code... (ahci_identify): ... to new function. Handle WIN_PIDENTIFY case to recognize ATAPI devices. (ahci_probe_port): Also try WIN_PIDENTIFY command. (ahci_geninit): Avoid checking partition table on empty devices.
2014-02-10Add quiet flag to block I/OSamuel Thibault
This avoids grub & such making Mach print flurries of floppy errors. * linux/dev/include/linux/blkdev.h (request): Add `quiet' field. * linux/dev/include/linux/blk.h (end_request): Print I/O error only if the `quiet' field of the request is 0. * linux/dev/include/linux/fs.h (ll_rw_block): Add `quiet' parameter. * linux/dev/glue/block.c (ll_rw_block): Add `quiet' parameter, copied into the request. (bread, rdwr_partial, rdwr_full): Pass 0 to `ll_rw_block''s `quiet' parameter. * linux/dev/drivers/block/floppy.c (floppy_revalidate): Pass 1 to `ll_rw_block''s `quiet' parameter.
2013-06-24Add partitioning reload support to ahciSamuel Thibault
* linux/dev/drivers/block/ahci.c (port): Add `gd' field. (ahci_ioctl): New function. (ahci_fops): Fill `ioctl' field with `ahci_ioctl'. (ahci_probe_pci): Fill `gd' field with `gd'.
2013-06-24Fix printing ahci PCI dev and funSamuel Thibault
* linux/dev/drivers/block/ahci.c (ahci_probe_dev): Compute `dev' and `fun' earlier so they can be printed.
2013-06-09Do not skip AHCI controller without HOST_CAP_ONLYSamuel Thibault
We rather rely on the announced PCI type to determine whether to use IDE or AHCI. * linux/dev/drivers/block/ahci.c (ahci_probe_dev): Do not skip AHCI controller without HOST_CAP_ONLY.
2013-06-09Add timeout to ahci IDENTIFYSamuel Thibault
* linux/dev/drivers/block/ahci.c (identify_timeout): New function. (identify_timer): New variable. (ahci_probe_port): Add timer to abandon identify command.
2013-06-09Fix printf formatSamuel Thibault
* linux/dev/drivers/block/ahci.c (ahci_do_request): Cast capacity into unsigned long and use %lu format. (ahci_probe_port): Cast size into unsigned and use %u format.
2013-06-09Fix formatSamuel Thibault
2013-05-30Add LBA48 support to AHCI driverSamuel Thibault
* linux/dev/drivers/block/ahci.c (port): Extend `capacity' field type to unsigned long long. Add `lba48' field. Make `identify' field unsigned. (ahci_do_port_request): When `lba48' is true, use WIN_READDMA_EXT and WIN_WRITEDMA_EXT commands. (ahci_probe_port): Test lba48 flag, read capacity and set `lba48' accordingly. Display size in GiB above 10GiB. * linux/src/include/linux/hdreg.h (WIN_READDMA_EXT, WIN_WRITEDMA_EXT): New macros (hd_driveid): Add `command_set_2' and lba_capacity_2' fields.
2013-05-11Add missing parameters to printfSamuel Thibault
* linux/dev/drivers/block/ahci.c (ahci_probe_dev): Add missing parameters to printf.
2013-05-10Add AHCI driverSamuel Thibault
* linux/dev/glue/kmem.c (vmtophys): New function. * linux/dev/include/linux/mm.h (vmtophys): New prototype. * linux/src/include/linux/pci.h (PCI_CLASS_STORAGE_SATA, PCI_CLASS_STORAGE_SATA_AHCI): New macros. * linux/dev/drivers/block/ahci.c: New file. * linux/dev/include/ahci.h: New file. * linux/Makefrag.am (liblinux_a_SOURCES): Add linux/dev/drivers/block/ahci.c and linux/dev/drivers/block/ahci.h. * linux/src/drivers/block/ide.c: Include <ahci.h>. (probe_for_hwifs): Call ahci_probe_pci.
2013-05-02Fix non-block-aligned-offset readsSamuel Thibault
This fixes grave issues when device_read is called with non-block-aligned offset, e.g. when using grub-probe with a non-block-aligned partition table. * linux/dev/glue/block.c (rdwr_full): Use current position instead of base buffer position to check for alignment.
2013-05-01Fix macro nameSamuel Thibault
* linux/dev/glue/block.c (device_get_status): Use DEV_GET_RECORDS_RECORD_SIZE for DEV_GET_RECORDS instead of DEV_GET_SIZE_RECORD_SIZE.
2012-12-27Fix spurious error on accessing fd1Samuel Thibault
Cherry picked from Linux kernel commit 76c25284e0d845bff4ee1031721556148af4db1c * linux/dev/drivers/block/floppy.c (config_types): Clear from `allowed_drive_mask' floppy drives whose cmos type is 0.
2012-09-23Fix CDROM door unlock on closure without device_closeAlexey Dejneka
* linux/dev/glue/block.c (device_open): Properly return devp on multiple opens. (device_close_forced): Renamed from device_close, when force parameter is 1, do not wait for open_count to become 0 before closing. (device_close): New function. (device_no_senders): New function. linux_block_emulation_ops: Use (device_no_senders).
2012-03-24Add missing phystokv/kvtophys callsSamuel Thibault
* i386/i386/vm_param.h [!MACH_XEN]: Do not include <xen/public/xen.h>. * i386/i386at/model_dep.c (init_alloc_aligned): Use phystokv to compare physical memory addresses with kernel start, end, and symbol table. * i386/intel/pmap.c (pmap_enter): Use kvtophys to convert ptp pointer to pte entry. * linux/dev/init/main.c (alloc_contig_mem, linux_init): Use phystokv to convert allocated pages to virtual pointer. * linux/src/include/asm-i386/io.h: Include <machine/vm_param.h>. (virt_to_phys): Call _kvtophys. (phys_to_virt): Call phystokv. * linux/src/include/linux/compatmac.h: Include <asm/io.h>. (ioremap): Use phys_to_virt to convert physical address to virtual pointer. (my_iounmap): Likewise. * linux/dev/include/asm-i386/page.h: Include <mach/vm_param.h>. (PAGE_SHIFT, PAGE_SIZE, PAGE_MASK): Remove macros. * linux/src/drivers/scsi/ncr53c8xx.c (vm_size_t): Remove type. * linux/dev/glue/net.c: Include <machine/vm_param.h> (device_write): Call phystokv to convert from physical page address to virtual pointer. * linux/dev/glue/block.c (alloc_buffer, free_buffer, rdwr_full): Likewise.
2012-03-24Fix issig crash at bootSamuel Thibault
* linux/dev/glue/misc.c (issig): Return 0 if current_thread() is NULL.
2012-03-20Use long typesSamuel Thibault
* ddb/db_examine.c (db_xcdump): Do not cast addr before passing to db_read_bytes. * ddb/db_macro.c (db_arg_variable): Return long. * ddb/db_macro.h (db_arg_variable): Likewise. * ddb/db_sym.c (db_maxoff): Set type to unsigned long. * ddb/db_task_thread.c (db_set_default_thread, db_get_task_thread): Return long. * ddb/db_variables.h (db_variable): Make fcn function field to return long. (FCN_NULL): Make function type return long. * i386/i386/db_interface.c (int_regs): Set field sizes to long. * i386/i386/db_machdep.h (db_expr_t): Set type to long. * i386/i386/db_trace.c (db_i386_reg_value): Return long. Use long types. (i386_frame, i386_kregs, interrupt_frame, db_nextframe): Set field sizes to long. (db_regs, i386_kregs): Use long * pointers. (db_lookup_i386_kreg): Return long *. (db_numargs, db_nextframe, db_stack_trace_cmd, db_i386_stack_trace): Use long types. * i386/i386/debug_i386.c (dump_ss): Fix format. * i386/i386/ktss.c (ktss_init): Use long type. * i386/i386/pcb.c (set_user_regs): Likewise. * i386/i386/thread.h (i386_saved_state, v86_segs, i386_kernel_state, i386_interrupt_state): Set field sizes to long. * i386/i386/trap.c (kernel_trap, user_trap): Fix formats. * kern/ast.h (ast_t): Set type to long. * kern/boot_script.c (create_task, resume_task, prompt_resume_task, boot_script_set_variable): Use long types. * kern/boot_script.h (boot_script_set_variable): Use long type. * kern/bootstrap.c (bootstrap_create): Pass long type. * kern/lock.c (simple_lock, simple_lock_try): Use long type. * linux/dev/kernel/softirq.c (linux_soft_intr): Fix format.
2012-03-20Change types holding cpu flags from int to longGuillem Jover
On amd64 the cpu flags is a 64-bit word, and long on 32-bit systems is 32-bit wide anyway. * linux/dev/glue/kmem.c (linux_kmalloc, linux_kfree, __get_free_pages, free_pages): Use unsigned long instead of unsigned. * linux/dev/include/asm-i386/system.h (__save_flags, __restore_flags): Likewise. * linux/dev/kernel/printk.c (printk): Likewise. * linux/src/drivers/scsi/advansys.c (DvcEnterCritical, DvcLeaveCritical, advansys_queuecommand, advansys_abort, advansys_reset, advansys_interrupt, interrupts_enabled, AdvISR): Likewise. * linux/src/drivers/scsi/aha152x.c (aha152x_intr): Likewise. * linux/src/drivers/scsi/aha1542.c (aha1542_intr_handle): Likewise. * linux/src/drivers/scsi/aic7xxx.c (aic7xxx_done_cmds_complete): Likewise. * linux/src/drivers/scsi/ultrastor.c (log_ultrastor_abort, ultrastor_queuecommand, ultrastor_abort): Likewise.
2012-03-14Fix variable types according to assembly useSamuel Thibault
* linux/dev/arch/i386/kernel/irq.c (intr_count): Set to int type. * linux/dev/kernel/softirq.c (bh_active, bh_mask): Likewise. (linux_soft_intr: active, mask, left): Likewise * linux/src/include/linux/interrupt.h (bh_active, bh_mask): Likewise. * linux/src/kernel/softirq.c (intr_count, bh_active, bh_mask): Likewise. (do_bottom_half: active, mask, left): Likewise
2011-12-17Fix kern/kalloc.h includesRichard Braun
* device/dev_pager.c: Remove #include <kern/kalloc.h>. * i386/i386/io_perm.c: Add #include <kern/kalloc.h>. * kern/bootstrap.c: Likewise. * kern/ipc_tt.c: Likewise. * kern/pc_sample.c: Likewise. * kern/processor.c: Likewise. * kern/server_loop.ch: Likewise. * kern/thread.c: Likewise. * linux/dev/glue/block.c: Likewise. * linux/dev/glue/net.c: Likewise. * vm/vm_map.c: Likewise. * xen/block.c: Likewise. * xen/net.c: Likewise. * xen/store.c: Likewise.
2011-10-10Raise block device interrupt level to SPL6Samuel Thibault
* linux/dev/drivers/block/genhd.c (device_setup): Set linux_intr_pri to SPL6. * linux/dev/glue/block.c (init_partition, device_open): Likewise.
2011-10-10Raise Linux kmem memory sizeSamuel Thibault
* linux/dev/glue/kmem.c (MEM_CHUNKS): Increase to 32.
2011-10-08Add sym53c8xx driver from linux 2.2Samuel Thibault
This driver supports qemu's SCSI host device. Unfortunately it seems to be breaking the network device, so test with care. * linux/Makefrag.am (liblinux_a_SOURCES): Add linux/src/drivers/scsi/sym53c8xx{.c,_comm.h,.h,_defs.h} * linux/configfrag.ac: Add AC_Linux_DRIVER([sym53c8xx] to enable CONFIG_SCSI_SYM53C8XX. * linux/dev/glue/kmem.c (MEM_CHUNKS): Increase to 16. * linux/src/drivers/scsi/hosts.c [CONFIG_SCSI_SYM53C8XX]: Include "sym53c8xx.h". (builtin_scsi_hosts): include SYM53C8XX.
2011-09-02Do not remap errno codes from E* to LINUX_E*Guillem Jover
Mach no longer uses any of the old and clashing errno E* codes, so it's safe to use them now w/o namespacing. This also means one less modification needed to the Linux code. * linux/dev/include/asm-i386/errno.h: Remove file. * linux/dev/kernel/dma.c (notifier_chain_unregister) [MACH_INCLUDE]: Remove code. * linux/dev/include/linux/notifier.h: Likewise. * linux/dev/arch/i386/kernel/irq.c (setup_x86_irq): Rename LINUX_EBUSY to EBUSY. (request_irq): Rename LINUX_EINVAL to EINVAL. * linux/dev/glue/block.c (register_blkdev): Rename LINUX_EBUSY to EBUSY and LINUX_EINVAL to EINVAL. (unregister_blkdev): Rename LINUX_EINVAL to EINVAL. (rdwr_partial) Rename LINUX_ENOMEM to ENOMEM and LINUX_EIO to EIO. * linux/dev/glue/misc.c (linux_to_mach_error): Rename LINUX_EPERM to EPERM, LINUX_EIO to EIO, LINUX_ENXIO to ENXIO, LINUX_EACCES to EACCES, LINUX_EFAULT to EFAULT, LINUX_EBUSY to EBUSY, LINUX_EINVAL to EINVAL, LINUX_EROFS to EROFS, LINUX_EWOULDBLOCK to EWOULDBLOCK and LINUX_ENOMEM to ENOMEM. (verify_area): Rename LINUX_EFAULT to EFAULT. * linux/dev/kernel/resource.c (check_region): Rename LINUX_EBUSY to EBUSY. * linux/dev/kernel/sched.c (__do_down): Rename LINUX_EINTR to EINTR.
2011-09-02Remove set but unused variablesGuillem Jover
* linux/dev/drivers/block/floppy.c (setup_rw_floppy): Remove `dflags'. (floppy_eject): Remove `dummy'. * linux/src/drivers/net/8390.c (ethdev_init): Remove `ei_local'. * linux/src/drivers/scsi/ppa.c (ppa_detect): Remove `ppb'.
2011-09-02Cast addr argument to vm_offset_tGuillem Jover
* linux/dev/glue/kmem.c (vfree): Cast `addr' argument on kfree_mem function to vm_offset_t.
2011-09-02Add missing headersGuillem Jover
* linux/dev/init/main.c: Include <linux/pci.h>. * linux/dev/kernel/printk.c: Include <kern/printf.h>.
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