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author | Amaury Pouly <amaury.pouly@gmail.com> | 2020-01-29 13:27:18 +0100 |
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committer | Amaury Pouly <amaury.pouly@gmail.com> | 2020-01-29 13:27:18 +0100 |
commit | 05a40ab07c3f7784e62fc2651d49bb0ff735c2f3 (patch) | |
tree | 54532c723b0d5f3e97d9fc29115a0a4c04b68586 | |
parent | 392db31d905c6d893c8b2bd42c03fd49332aeb3c (diff) | |
download | rockbox-05a40ab.tar.gz rockbox-05a40ab.zip |
scsi: add support for listing devices on Windows
Change-Id: I963028c6017796152a201791c078f672bf84a40a
-rw-r--r-- | utils/scsi/rbscsi.c | 56 | ||||
-rw-r--r-- | utils/scsi/rbscsi.h | 4 |
2 files changed, 58 insertions, 2 deletions
diff --git a/utils/scsi/rbscsi.c b/utils/scsi/rbscsi.c index adfecd8d0a..b44203152f 100644 --- a/utils/scsi/rbscsi.c +++ b/utils/scsi/rbscsi.c @@ -379,6 +379,62 @@ struct rb_scsi_devent_t *rb_scsi_list(void) struct rb_scsi_devent_t *dev = malloc(sizeof(struct rb_scsi_devent_t)); dev[0].scsi_path = NULL; dev[0].block_path = NULL; + int nr_dev = 0; + /* list logical drives */ + DWORD cbStrSize = GetLogicalDriveStringsA(0, NULL); + LPSTR pszDrives = malloc(cbStrSize); + cbStrSize = GetLogicalDriveStringsA(cbStrSize, pszDrives); + /* drives are separated by a NULL character, the last drive is just a NULL one */ + for(LPSTR pszDriveRoot = pszDrives; *pszDriveRoot != '\0'; + pszDriveRoot += lstrlen(pszDriveRoot) + 1) + { + // each drive is of the form "X:\" + char path[3]; + path[0] = pszDriveRoot[0]; // letter + path[1] = ':'; + path[2] = 0; + /* open drive */ + rb_scsi_device_t rdev = rb_scsi_open(path, 0, NULL, NULL); + if(rdev == NULL) + continue; // ignore device + // send an INQUIRY device to check it's actually an SCSI device and get information + uint8_t inquiry_data[36]; + uint8_t cdb[6] = {0x12, 0, 0, 0, sizeof(inquiry_data), 0}; // INQUIRY + + struct rb_scsi_raw_cmd_t raw; + raw.dir = RB_SCSI_READ; + raw.cdb_len = sizeof(cdb); + raw.cdb = cdb; + raw.buf = inquiry_data; + raw.buf_len = sizeof(inquiry_data); + raw.sense_len = 0; // don't bother with SENSE, this command cannot possibly fail for good reasons + raw.sense = NULL; + raw.tmo = 5; + int ret = rb_scsi_raw_xfer(rdev, &raw); + rb_scsi_close(rdev); + if(ret != RB_SCSI_OK) + continue; // ignore device + if(raw.buf_len != (int)sizeof(inquiry_data)) + continue; // ignore device (what kind of device would not return all the INQUIRY data?) + + /* fill device details */ + dev = realloc(dev, (2 + nr_dev) * sizeof(struct rb_scsi_devent_t)); + dev[nr_dev].scsi_path = strdup(path); + dev[nr_dev].block_path = strdup(path); + /* fill vendor/model/rev */ + char info[17]; + snprintf(info, sizeof(info), "%.8s", inquiry_data + 8); + dev[nr_dev].vendor = strdup(info); + snprintf(info, sizeof(info), "%.16s", inquiry_data + 16); + dev[nr_dev].model = strdup(info); + snprintf(info, sizeof(info), "%.4s", inquiry_data + 32); + dev[nr_dev].rev = strdup(info); + + /* sentinel */ + dev[++nr_dev].scsi_path = NULL; + dev[nr_dev].block_path = NULL; + } + return dev; } /* other targets */ diff --git a/utils/scsi/rbscsi.h b/utils/scsi/rbscsi.h index 322d94ec53..d2b4b71edb 100644 --- a/utils/scsi/rbscsi.h +++ b/utils/scsi/rbscsi.h @@ -94,13 +94,13 @@ struct rb_scsi_devent_t { /* device path to the raw SCSI device, typically: * - Linux: /dev/sgX - * - Windows: TODO + * - Windows: C: * This path can be used directly with scsi_rb_open(), and is guaranteed to * be valid. */ char *scsi_path; /* device path to the corresponding block device, if it exists, typically: * - Linux: /dev/sdX - * - Windows: TODO + * - Windows: C: * If this path is not-NULL, then it can used directly with scsi_rb_open() */ char *block_path; /* various information about the device, can be NULL on error */ |