X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=palacios%2Fsrc%2Fdevices%2Fnet_cd.c;h=f980bab6abcc3fbb6fcf5ebe55d0c93828fc93bf;hp=0e2b49ca7a119f47282586dba317b3518f78d2d4;hb=0e097100a26bc43eb8964734fa43130fc4c71429;hpb=e070c6feb9e35665efa6e50ed7549d20c26ff426 diff --git a/palacios/src/devices/net_cd.c b/palacios/src/devices/net_cd.c index 0e2b49c..f980bab 100644 --- a/palacios/src/devices/net_cd.c +++ b/palacios/src/devices/net_cd.c @@ -22,19 +22,16 @@ #include #include -/* #ifndef DEBUG_IDE */ -/* #undef PrintDebug */ -/* #define PrintDebug(fmt, args...) */ -/* #endif */ - +#ifndef CONFIG_DEBUG_IDE +#undef PrintDebug +#define PrintDebug(fmt, args...) +#endif #define NBD_READ_CMD 0x1 #define NBD_WRITE_CMD 0x2 #define NBD_CAPACITY_CMD 0x3 - - #define NBD_STATUS_OK 0x00 #define NBD_STATUS_ERR 0xff @@ -58,12 +55,13 @@ struct cd_state { static int send_all(int socket, char * buf, int length) { int bytes_sent = 0; + PrintDebug("Sending %d bytes\n", length - bytes_sent); while (bytes_sent < length) { - PrintDebug("Sending %d bytes\n", length - bytes_sent); int tmp_bytes = V3_Send(socket, buf + bytes_sent, length - bytes_sent); PrintDebug("Sent %d bytes\n", tmp_bytes); if (tmp_bytes == 0) { + PrintError("Connection Closed unexpectedly\n"); return -1; } @@ -77,12 +75,13 @@ static int send_all(int socket, char * buf, int length) { static int recv_all(int socket, char * buf, int length) { int bytes_read = 0; + PrintDebug("Reading %d bytes\n", length - bytes_read); while (bytes_read < length) { - PrintDebug("Reading %d bytes\n", length - bytes_read); int tmp_bytes = V3_Recv(socket, buf + bytes_read, length - bytes_read); PrintDebug("Received %d bytes\n", tmp_bytes); if (tmp_bytes == 0) { + PrintError("Connection Closed unexpectedly\n"); return -1; } @@ -141,7 +140,7 @@ static int cd_read(uint8_t * buf, int block_count, uint64_t lba, void * private return -1; } - PrintDebug("Reading Data\n"); + PrintDebug("Reading Data (%d bytes)\n", ret_len); if (recv_all(cd->socket, (char *)buf, ret_len) == -1) { PrintError("Read Data Error\n"); @@ -159,14 +158,28 @@ static uint32_t cd_get_capacity(void * private_data) { return cd->capacity / ATAPI_BLOCK_SIZE; } -static struct v3_ide_cd_ops cd_ops = { +static struct v3_cd_ops cd_ops = { .read = cd_read, .get_capacity = cd_get_capacity, }; -static int cd_init(struct vm_device * dev) { - struct cd_state * cd = (struct cd_state *)(dev->private_data); + + +static int cd_free(struct vm_device * dev) { + return 0; +} + +static struct v3_device_ops dev_ops = { + .free = cd_free, + .reset = NULL, + .start = NULL, + .stop = NULL, +}; + + + +static int socket_init(struct cd_state * cd) { char header[64]; PrintDebug("Intializing Net CD\n"); @@ -211,6 +224,41 @@ static int cd_init(struct vm_device * dev) { PrintDebug("Capacity: %p\n", (void *)(cd->capacity)); } + return 0; +} + +static int cd_init(struct guest_info * vm, void * cfg_data) { + struct net_cd_cfg * cfg = (struct net_cd_cfg *)cfg_data; + struct cd_state * cd = (struct cd_state *)V3_Malloc(sizeof(struct cd_state)); + + PrintDebug("Registering Net CD at %s:%d disk=%s\n", cfg->ip_str, cfg->port, cfg->disk_tag); + + strncpy(cd->disk_name, cfg->disk_tag, sizeof(cd->disk_name)); + cd->ip_addr = v3_inet_addr(cfg->ip_str); + cd->port = cfg->port; + + cd->ide = (struct vm_device * )v3_find_dev(vm, cfg->ide); + + if (cd->ide == 0) { + PrintError("Could not find backend %s\n", cfg->ide); + return -1; + } + + cd->bus = cfg->bus; + cd->drive = cfg->drive; + + struct vm_device * dev = v3_allocate_device("NET-CD", &dev_ops, cd); + + + if (v3_attach_device(vm, dev) == -1) { + PrintError("Could not attach device %s\n", "NET-CD"); + return -1; + } + + if (socket_init(cd) == -1) { + PrintError("Could not initialize socket connection\n"); + return -1; + } PrintDebug("Registering CD\n"); @@ -219,40 +267,11 @@ static int cd_init(struct vm_device * dev) { } PrintDebug("intialization done\n"); - - return 0; -} - -static int cd_deinit(struct vm_device * dev) { return 0; } -static struct vm_device_ops dev_ops = { - .init = cd_init, - .deinit = cd_deinit, - .reset = NULL, - .start = NULL, - .stop = NULL, -}; -struct vm_device * v3_create_net_cd(struct vm_device * ide, - uint_t bus, uint_t drive, - const char * ip_str, uint16_t port, - const char * disk_tag) { - struct cd_state * cd = (struct cd_state *)V3_Malloc(sizeof(struct cd_state)); - - PrintDebug("Registering Net CD at %s:%d disk=%s\n", ip_str, port, disk_tag); - strncpy(cd->disk_name, disk_tag, sizeof(cd->disk_name)); - cd->ip_addr = v3_inet_addr(ip_str); - cd->port = port; - cd->ide = ide; - cd->bus = bus; - cd->drive = drive; - - struct vm_device * cd_dev = v3_create_device("NET-CD", &dev_ops, cd); - - return cd_dev; -} +device_register("NET-CD", cd_init)