driver interface for ahci
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22033 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Marcus Overhagen
parent
f7deaad7ee
commit
1bb5a6b3d3
@ -153,7 +153,7 @@ AddDriversToHaikuImage : console dprintf $(X86_ONLY)keyboard null
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AddDriversToHaikuImage audio hmulti : $(BEOS_ADD_ONS_DRIVERS_AUDIO) ;
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AddDriversToHaikuImage midi : $(BEOS_ADD_ONS_DRIVERS_MIDI) ;
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AddDriversToHaikuImage bus : usb_raw ;
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AddDriversToHaikuImage disk scsi : scsi_cd scsi_dsk ;
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AddDriversToHaikuImage disk scsi : ahci scsi_cd scsi_dsk ;
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AddDriversToHaikuImage disk virtual : nbd ;
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AddDriversToHaikuImage dvb : cx23882 ;
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AddDriversToHaikuImage graphics : $(BEOS_ADD_ONS_DRIVERS_GRAPHICS) ;
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@ -346,7 +346,7 @@ AddFilesToHaikuImage beos system : zbeos ;
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AddBootModuleSymlinksToHaikuImage config_manager bfs block_io fast_log
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generic_ide_pci $(X86_ONLY)isa ide ide_adapter $(X86_ONLY)ide_isa intel
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locked_pool $(PPC_ONLY)openpic pci scsi scsi_cd scsi_dsk scsi_periph
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silicon_image_3112 legacy_sata
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silicon_image_3112 legacy_sata ahci
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;
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# add-ons
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@ -1,5 +1,6 @@
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SubDir HAIKU_TOP src add-ons kernel drivers disk ;
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SubInclude HAIKU_TOP src add-ons kernel drivers disk scsi ;
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SubInclude HAIKU_TOP src add-ons kernel drivers disk acpi_loader ;
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SubInclude HAIKU_TOP src add-ons kernel drivers disk ahci ;
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SubInclude HAIKU_TOP src add-ons kernel drivers disk scsi ;
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SubInclude HAIKU_TOP src add-ons kernel drivers disk virtual ;
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7
src/add-ons/kernel/drivers/disk/ahci/Jamfile
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7
src/add-ons/kernel/drivers/disk/ahci/Jamfile
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@ -0,0 +1,7 @@
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SubDir HAIKU_TOP src add-ons kernel drivers disk ahci ;
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KernelAddon ahci :
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ahci.c
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ahci_sim.c
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;
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125
src/add-ons/kernel/drivers/disk/ahci/ahci.c
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125
src/add-ons/kernel/drivers/disk/ahci/ahci.c
Normal file
@ -0,0 +1,125 @@
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/*
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* Copyright 2007, Marcus Overhagen. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#include <KernelExport.h>
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#include <device_manager.h>
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#define TRACE(a...) dprintf("ahci: " a)
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#define FLOW(a...) dprintf("ahci: " a)
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static float
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ahci_supports_device(device_node_handle parent, bool *_noConnection)
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{
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TRACE("ahci_supports_device\n");
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#if 0
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uint16 vendor_id;
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uint16 device_id;
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uint8 base_class;
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uint8 sub_class;
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uint8 class_api;
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status_t res;
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if (base_class != PCI_mass_storage || sub_class != PCI_sata || class_api != PCI_sata_ahci)
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return 0.0f;
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TRACE("controller found! vendor 0x%04x, device 0x%04x\n", vendor_id, device_id);
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res = pci->find_pci_capability(device, PCI_cap_id_sata, &cap_ofs);
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if (res == B_OK) {
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uint32 satacr0;
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uint32 satacr1;
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TRACE("PCI SATA capability found at offset 0x%x\n", cap_ofs);
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satacr0 = pci->read_pci_config(device, cap_ofs, 4);
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satacr1 = pci->read_pci_config(device, cap_ofs + 4, 4);
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TRACE("satacr0 = 0x%08x, satacr1 = 0x%08x\n", satacr0, satacr1);
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}
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#endif
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return 0.0;
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}
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static status_t
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ahci_register_device(device_node_handle parent)
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{
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TRACE("ahci_register_device\n");
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return B_OK;
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}
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static status_t
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ahci_init_driver(device_node_handle node, void *user_cookie, void **_cookie)
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{
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TRACE("ahci_init_driver\n");
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return B_OK;
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}
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static status_t
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ahci_uninit_driver(void *cookie)
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{
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TRACE("ahci_uninit_driver\n");
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return B_OK;
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}
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static void
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ahci_device_removed(device_node_handle node, void *cookie)
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{
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TRACE("ahci_device_removed\n");
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}
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static void
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ahci_device_cleanup(device_node_handle node)
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{
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TRACE("ahci_device_cleanup\n");
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}
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static void
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ahci_get_supported_paths(const char ***_busses, const char ***_devices)
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{
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TRACE("ahci_get_supported_paths\n");
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}
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static status_t
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std_ops(int32 op, ...)
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{
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switch (op) {
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case B_MODULE_INIT:
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case B_MODULE_UNINIT:
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return B_OK;
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default:
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return B_ERROR;
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}
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}
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driver_module_info ahci_driver = {
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{
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"ahci",
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0,
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std_ops
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},
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ahci_supports_device,
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ahci_register_device,
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ahci_init_driver,
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ahci_uninit_driver,
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ahci_device_removed,
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ahci_device_cleanup,
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ahci_get_supported_paths,
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};
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module_info *modules[] = {
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(module_info *)&ahci_driver,
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NULL
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};
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51
src/add-ons/kernel/drivers/disk/ahci/ahci_defs.h
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51
src/add-ons/kernel/drivers/disk/ahci/ahci_defs.h
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@ -0,0 +1,51 @@
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/*
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* Copyright 2007, Marcus Overhagen. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _AHCI_DEFS_H
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#define _AHCI_DEFS_H
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#include <SupportDefs.h>
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typedef struct
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{
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uint32 clb; // Command List Base Address
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uint32 clbu; // Command List Base Address Upper 32-Bits
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uint32 fb; // FIS Base Address
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uint32 fbu; // FIS Base Address Upper 32-Bits
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uint32 is; // Interrupt Status
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uint32 ie; // Interrupt Enable
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uint32 cmd; // Command and Status
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uint32 res1; // Reserved
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uint32 tfd; // Task File Data
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uint32 sig; // Signature
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uint32 ssts; // Serial ATA Status (SCR0: SStatus)
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uint32 sctl; // Serial ATA Control (SCR2: SControl)
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uint32 serr; // Serial ATA Error (SCR1: SError)
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uint32 sact; // Serial ATA Active (SCR3: SActive)
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uint32 ci; // Command Issue
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uint32 sntf; // SNotification
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uint32 res2; // Reserved for FIS-based Switching Definition
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uint32 res[11]; // Reserved
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uint32 vendor[2]; // Vendor Specific
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} ahci_port;
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typedef struct
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{
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uint32 cap; // Host Capabilities
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uint32 ghc; // Global Host Control
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uint32 is; // Interrupt Status
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uint32 pi; // Ports Implemented
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uint32 vs; // Version
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uint32 ccc_ctl; // Command Completion Coalescing Control
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uint32 ccc_ports; // Command Completion Coalsecing Ports
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uint32 em_loc; // Enclosure Management Location
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uint32 em_ctl; // Enclosure Management Control
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uint32 res[31]; // Reserved
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uint32 vendor[24]; // Vendor Specific registers
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ahci_port port[32];
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} ahci_hba;
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#endif
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55
src/add-ons/kernel/drivers/disk/ahci/ahci_sim.c
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55
src/add-ons/kernel/drivers/disk/ahci/ahci_sim.c
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@ -0,0 +1,55 @@
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/*
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* Copyright 2007, Marcus Overhagen. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#include <KernelExport.h>
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#include <bus/SCSI.h>
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#define TRACE(a...) dprintf("ahci: " a)
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#define FLOW(a...) dprintf("ahci: " a)
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/*
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// SIM interface
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// SCSI controller drivers must provide this interface
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typedef struct scsi_sim_interface {
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driver_module_info info;
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// execute request
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void (*scsi_io)( scsi_sim_cookie cookie, scsi_ccb *ccb );
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// abort request
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uchar (*abort)( scsi_sim_cookie cookie, scsi_ccb *ccb_to_abort );
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// reset device
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uchar (*reset_device)( scsi_sim_cookie cookie, uchar target_id, uchar target_lun );
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// terminate request
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uchar (*term_io)( scsi_sim_cookie cookie, scsi_ccb *ccb_to_terminate );
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// get information about bus
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uchar (*path_inquiry)( scsi_sim_cookie cookie, scsi_path_inquiry *inquiry_data );
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// scan bus
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// this is called immediately before the SCSI bus manager scans the bus
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uchar (*scan_bus)( scsi_sim_cookie cookie );
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// reset bus
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uchar (*reset_bus)( scsi_sim_cookie cookie );
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// get restrictions of one device
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// (used for non-SCSI transport protocols and bug fixes)
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void (*get_restrictions)(
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scsi_sim_cookie cookie,
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uchar target_id, // target id
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bool *is_atapi, // set to true if this is an ATAPI device that
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// needs some commands emulated
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bool *no_autosense, // set to true if there is no autosense;
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// the SCSI bus manager will request sense on
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// SCSI_REQ_CMP_ERR/SCSI_DEVICE_CHECK_CONDITION
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uint32 *max_blocks ); // maximum number of blocks per transfer if > 0;
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// used for buggy devices that cannot handle
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// large transfers (read: ATAPI ZIP drives)
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status_t (*ioctl)(scsi_sim_cookie, uint8 targetID, uint32 op, void *buffer, size_t length);
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} scsi_sim_interface;
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*/
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