Changeset 8d6c1f1 in mainline for uspace/srv


Ignore:
Timestamp:
2011-06-07T21:31:35Z (14 years ago)
Author:
Jakub Jermar <jakub@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
75608143
Parents:
ff4f073 (diff), eb522e8 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge USB support.

Changes from bzr://helenos-usb.bzr.sourceforge.net/bzrroot/helenos-usb/mainline:

  • replaced '-' with '_' in new driver names
  • USB libs are built for each architecture
  • devman starts early
  • sys_thread_udelay() uses generic delay()
  • sys_as_create_area() now creates cacheable areas by default
Location:
uspace/srv
Files:
4 edited

Legend:

Unmodified
Added
Removed
  • uspace/srv/devman/main.c

    rff4f073 r8d6c1f1  
    515515}
    516516
     517/** Find device path by its handle. */
     518static void devman_get_device_path_by_handle(ipc_callid_t iid,
     519    ipc_call_t *icall)
     520{
     521        devman_handle_t handle = IPC_GET_ARG1(*icall);
     522
     523        fun_node_t *fun = find_fun_node(&device_tree, handle);
     524        if (fun == NULL) {
     525                async_answer_0(iid, ENOMEM);
     526                return;
     527        }
     528
     529        ipc_callid_t data_callid;
     530        size_t data_len;
     531        if (!async_data_read_receive(&data_callid, &data_len)) {
     532                async_answer_0(iid, EINVAL);
     533                return;
     534        }
     535
     536        void *buffer = malloc(data_len);
     537        if (buffer == NULL) {
     538                async_answer_0(data_callid, ENOMEM);
     539                async_answer_0(iid, ENOMEM);
     540                return;
     541        }
     542
     543        size_t sent_length = str_size(fun->pathname);
     544        if (sent_length > data_len) {
     545                sent_length = data_len;
     546        }
     547
     548        async_data_read_finalize(data_callid, fun->pathname, sent_length);
     549        async_answer_0(iid, EOK);
     550
     551        free(buffer);
     552}
     553
    517554
    518555/** Function for handling connections from a client to the device manager. */
     
    537574                        devman_function_get_handle_by_class(callid, &call);
    538575                        break;
     576                case DEVMAN_DEVICE_GET_DEVICE_PATH:
     577                        devman_get_device_path_by_handle(callid, &call);
     578                        break;
    539579                default:
    540580                        async_answer_0(callid, ENOENT);
     
    595635        if (driver == NULL) {
    596636                log_msg(LVL_ERROR, "IPC forwarding refused - " \
    597                     "the device %" PRIun " is not in usable state.", handle);
     637                    "the device %" PRIun "(%s) is not in usable state.",
     638                    handle, dev->pfun->pathname);
    598639                async_answer_0(iid, ENOENT);
    599640                return;
  • uspace/srv/hid/console/console.c

    rff4f073 r8d6c1f1  
    4141#include <ipc/ns.h>
    4242#include <errno.h>
     43#include <str_error.h>
    4344#include <ipc/console.h>
    4445#include <unistd.h>
     
    5657#include <io/style.h>
    5758#include <io/screenbuffer.h>
     59#include <inttypes.h>
    5860
    5961#include "console.h"
     
    6466#define NAME       "console"
    6567#define NAMESPACE  "term"
     68/** Interval for checking for new keyboard (1/4s). */
     69#define HOTPLUG_WATCH_INTERVAL (1000 * 250)
     70
     71/* Kernel defines 32 but does not export it. */
     72#define MAX_IPC_OUTGOING_PHONES 128
     73/** To allow proper phone closing. */
     74static ipc_callid_t driver_phones[MAX_IPC_OUTGOING_PHONES] = { 0 };
    6675
    6776/** Phone to the keyboard driver. */
     
    8897} console_t;
    8998
     99
     100
    90101/** Array of data for virtual consoles */
    91102static console_t consoles[CONSOLE_COUNT];
     
    317328static void change_console(console_t *cons)
    318329{
    319         if (cons == active_console)
     330        if (cons == active_console) {
    320331                return;
     332        }
    321333       
    322334        fb_pending_flush();
     
    397409}
    398410
     411static void close_driver_phone(ipc_callid_t hash)
     412{
     413        int i;
     414        for (i = 0; i < MAX_IPC_OUTGOING_PHONES; i++) {
     415                if (driver_phones[i] == hash) {
     416                        printf("Device %" PRIxn " gone.\n", hash);
     417                        driver_phones[i] = 0;
     418                        async_hangup(i);
     419                        return;
     420                }
     421        }
     422}
     423
    399424/** Handler for keyboard */
    400425static void keyboard_events(ipc_callid_t iid, ipc_call_t *icall)
     
    411436                case IPC_M_PHONE_HUNGUP:
    412437                        /* TODO: Handle hangup */
     438                        close_driver_phone(iid);
    413439                        return;
    414440                case KBD_EVENT:
     
    454480                case IPC_M_PHONE_HUNGUP:
    455481                        /* TODO: Handle hangup */
     482                        close_driver_phone(iid);
    456483                        return;
    457484                case MEVENT_BUTTON:
    458485                        if (IPC_GET_ARG1(call) == 1) {
    459486                                int newcon = gcons_mouse_btn((bool) IPC_GET_ARG2(call));
    460                                 if (newcon != -1)
     487                                if (newcon != -1) {
    461488                                        change_console(&consoles[newcon]);
     489                                }
    462490                        }
    463491                        retval = 0;
     
    710738}
    711739
     740static int async_connect_to_me_hack(int phone, sysarg_t arg1, sysarg_t arg2,
     741sysarg_t arg3, async_client_conn_t client_receiver, ipc_callid_t *hash)
     742{
     743        sysarg_t task_hash;
     744        sysarg_t phone_hash;
     745        int rc = async_req_3_5(phone, IPC_M_CONNECT_TO_ME, arg1, arg2, arg3,
     746            NULL, NULL, NULL, &task_hash, &phone_hash);
     747        if (rc != EOK)
     748                return rc;
     749
     750        if (client_receiver != NULL)
     751                async_new_connection(task_hash, phone_hash, phone_hash, NULL,
     752                    client_receiver);
     753
     754        if (hash != NULL) {
     755                *hash = phone_hash;
     756        }
     757
     758        return EOK;
     759}
     760
     761static int connect_keyboard_or_mouse(const char *devname,
     762    async_client_conn_t handler, const char *path)
     763{
     764        int fd = open(path, O_RDONLY);
     765        if (fd < 0) {
     766                return fd;
     767        }
     768       
     769        int phone = fd_phone(fd);
     770        close(fd);
     771        if (phone < 0) {
     772                printf(NAME ": Failed to connect to input device\n");
     773                return phone;
     774        }
     775       
     776        ipc_callid_t hash;
     777        int rc = async_connect_to_me_hack(phone, SERVICE_CONSOLE, 0, phone,
     778            handler, &hash);
     779        if (rc != EOK) {
     780                async_hangup(phone);
     781                printf(NAME ": " \
     782                    "Failed to create callback from input device: %s.\n",
     783                    str_error(rc));
     784                return rc;
     785        }
     786       
     787        driver_phones[phone] = hash;
     788
     789        printf(NAME ": found %s \"%s\" (%" PRIxn ").\n", devname, path, hash);
     790
     791        return phone;
     792}
     793
     794static int connect_keyboard(const char *path)
     795{
     796        return connect_keyboard_or_mouse("keyboard", keyboard_events, path);
     797}
     798
     799static int connect_mouse(const char *path)
     800{
     801        return connect_keyboard_or_mouse("mouse", mouse_events, path);
     802}
     803
     804struct hid_class_info {
     805        char *classname;
     806        int (*connection_func)(const char *);
     807};
     808
     809/** Periodically check for new keyboards in /dev/class/.
     810 *
     811 * @param arg Class name.
     812 * @return This function should never exit.
     813 */
     814static int check_new_device_fibril(void *arg)
     815{
     816        struct hid_class_info *dev_info = arg;
     817
     818        size_t index = 1;
     819
     820        while (true) {
     821                async_usleep(HOTPLUG_WATCH_INTERVAL);
     822                char *path;
     823                int rc = asprintf(&path, "/dev/class/%s\\%zu",
     824                    dev_info->classname, index);
     825                if (rc < 0) {
     826                        continue;
     827                }
     828                rc = 0;
     829                rc = dev_info->connection_func(path);
     830                if (rc > 0) {
     831                        /* We do not allow unplug. */
     832                        index++;
     833                }
     834
     835                free(path);
     836        }
     837
     838        return EOK;
     839}
     840
     841
     842/** Start a fibril monitoring hot-plugged keyboards.
     843 */
     844static void check_new_devices_in_background(int (*connection_func)(const char *),
     845    const char *classname)
     846{
     847        struct hid_class_info *dev_info = malloc(sizeof(struct hid_class_info));
     848        if (dev_info == NULL) {
     849                printf(NAME ": " \
     850                    "out of memory, will not start hot-plug-watch fibril.\n");
     851                return;
     852        }
     853        int rc;
     854
     855        rc = asprintf(&dev_info->classname, "%s", classname);
     856        if (rc < 0) {
     857                printf(NAME ": failed to format classname: %s.\n",
     858                    str_error(rc));
     859                return;
     860        }
     861        dev_info->connection_func = connection_func;
     862
     863        fid_t fid = fibril_create(check_new_device_fibril, (void *)dev_info);
     864        if (!fid) {
     865                printf(NAME
     866                    ": failed to create hot-plug-watch fibril for %s.\n",
     867                    classname);
     868                return;
     869        }
     870        fibril_add_ready(fid);
     871}
     872
    712873static bool console_init(char *input)
    713874{
    714875        /* Connect to input device */
    715         int input_fd = open(input, O_RDONLY);
    716         if (input_fd < 0) {
    717                 printf(NAME ": Failed opening %s\n", input);
     876        kbd_phone = connect_keyboard(input);
     877        if (kbd_phone < 0) {
    718878                return false;
    719879        }
    720        
    721         kbd_phone = fd_phone(input_fd);
    722         if (kbd_phone < 0) {
    723                 printf(NAME ": Failed to connect to input device\n");
    724                 return false;
    725         }
    726        
    727         /* NB: The callback connection is slotted for removal */
    728         if (async_connect_to_me(kbd_phone, SERVICE_CONSOLE, 0, 0, keyboard_events)
    729             != 0) {
    730                 printf(NAME ": Failed to create callback from input device\n");
    731                 return false;
    732         }
    733        
    734         /* Connect to mouse device */
    735         mouse_phone = -1;
    736         int mouse_fd = open("/dev/hid_in/mouse", O_RDONLY);
    737        
    738         if (mouse_fd < 0) {
    739                 printf(NAME ": Notice - failed opening %s\n", "/dev/hid_in/mouse");
    740                 goto skip_mouse;
    741         }
    742        
    743         mouse_phone = fd_phone(mouse_fd);
     880
     881        mouse_phone = connect_mouse("/dev/hid_in/mouse");
    744882        if (mouse_phone < 0) {
    745                 printf(NAME ": Failed to connect to mouse device\n");
    746                 goto skip_mouse;
    747         }
    748        
    749         if (async_connect_to_me(mouse_phone, SERVICE_CONSOLE, 0, 0, mouse_events)
    750             != 0) {
    751                 printf(NAME ": Failed to create callback from mouse device\n");
    752                 mouse_phone = -1;
    753                 goto skip_mouse;
    754         }
    755        
    756 skip_mouse:
     883                printf(NAME ": Failed to connect to mouse device: %s.\n",
     884                    str_error(mouse_phone));
     885        }
    757886       
    758887        /* Connect to framebuffer driver */
     
    837966                printf(NAME ": Error registering kconsole notifications\n");
    838967       
     968        /* Start fibril for checking on hot-plugged keyboards. */
     969        check_new_devices_in_background(connect_keyboard, "keyboard");
     970        check_new_devices_in_background(connect_mouse, "mouse");
     971
    839972        return true;
    840973}
     
    856989        if (!console_init(argv[1]))
    857990                return -1;
    858        
     991
    859992        printf(NAME ": Accepting connections\n");
    860993        async_manager();
  • uspace/srv/hw/irc/apic/apic.c

    rff4f073 r8d6c1f1  
    8787                        async_answer_0(callid, EOK);
    8888                        break;
     89                case IPC_M_PHONE_HUNGUP:
     90                        /* The other side has hung up. */
     91                        async_answer_0(callid, EOK);
     92                        return;
    8993                default:
    9094                        async_answer_0(callid, EINVAL);
  • uspace/srv/hw/irc/i8259/i8259.c

    rff4f073 r8d6c1f1  
    121121                        async_answer_0(callid, EOK);
    122122                        break;
     123                case IPC_M_PHONE_HUNGUP:
     124                        /* The other side has hung up. */
     125                        async_answer_0(callid, EOK);
     126                        return;
    123127                default:
    124128                        async_answer_0(callid, EINVAL);
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