diff options
| -rw-r--r-- | drivers/scsi/osd/osd_initiator.c | 125 | ||||
| -rw-r--r-- | drivers/scsi/osd/osd_uld.c | 5 | ||||
| -rw-r--r-- | include/scsi/osd_initiator.h | 3 |
3 files changed, 133 insertions, 0 deletions
diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 86a76cc..f6340c2 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -41,6 +41,7 @@ #include <scsi/osd_initiator.h> #include <scsi/osd_sec.h> +#include <scsi/osd_attributes.h> #include <scsi/scsi_device.h> #include "osd_debug.h" @@ -63,6 +64,130 @@ static inline void build_test(void) BUILD_BUG_ON(sizeof(struct osdv1_cdb) != OSDv1_TOTAL_CDB_LEN); } +static const char *_osd_ver_desc(struct osd_request *or) +{ + return osd_req_is_ver1(or) ? "OSD1" : "OSD2"; +} + +#define ATTR_DEF_RI(id, len) ATTR_DEF(OSD_APAGE_ROOT_INFORMATION, id, len) + +static int _osd_print_system_info(struct osd_dev *od, void *caps) +{ + struct osd_request *or; + struct osd_attr get_attrs[] = { + ATTR_DEF_RI(OSD_ATTR_RI_VENDOR_IDENTIFICATION, 8), + ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_IDENTIFICATION, 16), + ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_MODEL, 32), + ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_REVISION_LEVEL, 4), + ATTR_DEF_RI(OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER, 64 /*variable*/), + ATTR_DEF_RI(OSD_ATTR_RI_OSD_NAME, 64 /*variable*/), + ATTR_DEF_RI(OSD_ATTR_RI_TOTAL_CAPACITY, 8), + ATTR_DEF_RI(OSD_ATTR_RI_USED_CAPACITY, 8), + ATTR_DEF_RI(OSD_ATTR_RI_NUMBER_OF_PARTITIONS, 8), + ATTR_DEF_RI(OSD_ATTR_RI_CLOCK, 6), + /* IBM-OSD-SIM Has a bug with this one put it last */ + ATTR_DEF_RI(OSD_ATTR_RI_OSD_SYSTEM_ID, 20), + }; + void *iter = NULL, *pFirst; + int nelem = ARRAY_SIZE(get_attrs), a = 0; + int ret; + + or = osd_start_request(od, GFP_KERNEL); + if (!or) + return -ENOMEM; + + /* get attrs */ + osd_req_get_attributes(or, &osd_root_object); + osd_req_add_get_attr_list(or, get_attrs, ARRAY_SIZE(get_attrs)); + + ret = osd_finalize_request(or, 0, caps, NULL); + if (ret) + goto out; + + ret = osd_execute_request(or); + if (ret) { + OSD_ERR("Failed to detect %s => %d\n", _osd_ver_desc(or), ret); + goto out; + } + + osd_req_decode_get_attr_list(or, get_attrs, &nelem, &iter); + + OSD_INFO("Detected %s device\n", + _osd_ver_desc(or)); + + pFirst = get_attrs[a++].val_ptr; + OSD_INFO("OSD_ATTR_RI_VENDOR_IDENTIFICATION [%s]\n", + (char *)pFirst); + + pFirst = get_attrs[a++].val_ptr; + OSD_INFO("OSD_ATTR_RI_PRODUCT_IDENTIFICATION [%s]\n", + (char *)pFirst); + + pFirst = get_attrs[a++].val_ptr; + OSD_INFO("OSD_ATTR_RI_PRODUCT_MODEL [%s]\n", + (char *)pFirst); + + pFirst = get_attrs[a++].val_ptr; + OSD_INFO("OSD_ATTR_RI_PRODUCT_REVISION_LEVEL [%u]\n", + get_unaligned_be32(pFirst)); + + pFirst = get_attrs[a++].val_ptr; + OSD_INFO("OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER [%s]\n", + (char *)pFirst); + + pFirst = get_attrs[a].val_ptr; + OSD_INFO("OSD_ATTR_RI_OSD_NAME [%s]\n", (char *)pFirst); + a++; + + pFirst = get_attrs[a++].val_ptr; + OSD_INFO("OSD_ATTR_RI_TOTAL_CAPACITY [0x%llx]\n", + _LLU(get_unaligned_be64(pFirst))); + + pFirst = get_attrs[a++].val_ptr; + OSD_INFO("OSD_ATTR_RI_USED_CAPACITY [0x%llx]\n", + _LLU(get_unaligned_be64(pFirst))); + + pFirst = get_attrs[a++].val_ptr; + OSD_INFO("OSD_ATTR_RI_NUMBER_OF_PARTITIONS [%llu]\n", + _LLU(get_unaligned_be64(pFirst))); + + /* FIXME: Where are the time utilities */ + pFirst = get_attrs[a++].val_ptr; + OSD_INFO("OSD_ATTR_RI_CLOCK [0x%02x%02x%02x%02x%02x%02x]\n", + ((char *)pFirst)[0], ((char *)pFirst)[1], + ((char *)pFirst)[2], ((char *)pFirst)[3], + ((char *)pFirst)[4], ((char *)pFirst)[5]); + + if (a < nelem) { /* IBM-OSD-SIM bug, Might not have it */ + unsigned len = get_attrs[a].len; + char sid_dump[32*4 + 2]; /* 2nibbles+space+ASCII */ + + hex_dump_to_buffer(get_attrs[a].val_ptr, len, 32, 1, + sid_dump, sizeof(sid_dump), true); + OSD_INFO("OSD_ATTR_RI_OSD_SYSTEM_ID(%d) [%s]\n", len, sid_dump); + a++; + } +out: + osd_end_request(or); + return ret; +} + +int osd_auto_detect_ver(struct osd_dev *od, void *caps) +{ + int ret; + + /* Auto-detect the osd version */ + ret = _osd_print_system_info(od, caps); + if (ret) { + osd_dev_set_ver(od, OSD_VER1); + OSD_DEBUG("converting to OSD1\n"); + ret = _osd_print_system_info(od, caps); + } + + return ret; +} +EXPORT_SYMBOL(osd_auto_detect_ver); + static unsigned _osd_req_cdb_len(struct osd_request *or) { return osd_req_is_ver1(or) ? OSDv1_TOTAL_CDB_LEN : OSD_TOTAL_CDB_LEN; diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c index cd4ca7c..f8b1a74 100644 --- a/drivers/scsi/osd/osd_uld.c +++ b/drivers/scsi/osd/osd_uld.c @@ -243,6 +243,7 @@ EXPORT_SYMBOL(osduld_put_device); static int __detect_osd(struct osd_uld_device *oud) { struct scsi_device *scsi_device = oud->od.scsi_device; + char caps[OSD_CAP_LEN]; int error; /* sending a test_unit_ready as first command seems to be needed @@ -254,6 +255,10 @@ static int __detect_osd(struct osd_uld_device *oud) if (error) OSD_ERR("warning: scsi_test_unit_ready failed\n"); + osd_sec_init_nosec_doall_caps(caps, &osd_root_object, false, true); + if (osd_auto_detect_ver(&oud->od, caps)) + return -ENODEV; + return 0; } diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h index 8482777..24edeae 100644 --- a/include/scsi/osd_initiator.h +++ b/include/scsi/osd_initiator.h @@ -67,6 +67,9 @@ void osduld_unregister_test(unsigned ioctl); void osd_dev_init(struct osd_dev *od, struct scsi_device *scsi_device); void osd_dev_fini(struct osd_dev *od); +/* some hi level device operations */ +int osd_auto_detect_ver(struct osd_dev *od, void *caps); /* GFP_KERNEL */ + /* we might want to use function vector in the future */ static inline void osd_dev_set_ver(struct osd_dev *od, enum osd_std_version v) { |