return nvme_trans_copy_to_user(hdr, inq_response, xfer_len);
}
-static int nvme_trans_device_id_page(struct nvme_ns *ns, struct sg_io_hdr *hdr,
- u8 *inq_response, int alloc_len)
+static int nvme_fill_device_id_eui64(struct nvme_ns *ns, struct sg_io_hdr *hdr,
+ u8 *inq_response, int alloc_len)
{
- struct nvme_dev *dev = ns->dev;
- int res;
- int nvme_sc;
- int xfer_len;
- __be32 tmp_id = cpu_to_be32(ns->ns_id);
+ struct nvme_id_ns *id_ns;
+ int nvme_sc, res;
+ size_t len;
+ void *eui;
- memset(inq_response, 0, alloc_len);
- inq_response[1] = INQ_DEVICE_IDENTIFICATION_PAGE; /* Page Code */
- if (readl(dev->bar + NVME_REG_VS) >= NVME_VS(1, 1)) {
- struct nvme_id_ns *id_ns;
- void *eui;
- int len;
+ nvme_sc = nvme_identify_ns(ns->dev, ns->ns_id, &id_ns);
+ res = nvme_trans_status_code(hdr, nvme_sc);
+ if (res)
+ return res;
- nvme_sc = nvme_identify_ns(dev, ns->ns_id, &id_ns);
- res = nvme_trans_status_code(hdr, nvme_sc);
- if (res)
- return res;
+ eui = id_ns->eui64;
+ len = sizeof(id_ns->eui64);
- eui = id_ns->eui64;
- len = sizeof(id_ns->eui64);
- if (readl(dev->bar + NVME_REG_VS) >= NVME_VS(1, 2)) {
- if (bitmap_empty(eui, len * 8)) {
- eui = id_ns->nguid;
- len = sizeof(id_ns->nguid);
- }
- }
+ if (readl(ns->dev->bar + NVME_REG_VS) >= NVME_VS(1, 2)) {
if (bitmap_empty(eui, len * 8)) {
- kfree(id_ns);
- goto scsi_string;
+ eui = id_ns->nguid;
+ len = sizeof(id_ns->nguid);
}
+ }
- inq_response[3] = 4 + len; /* Page Length */
- /* Designation Descriptor start */
- inq_response[4] = 0x01; /* Proto ID=0h | Code set=1h */
- inq_response[5] = 0x02; /* PIV=0b | Asso=00b | Designator Type=2h */
- inq_response[6] = 0x00; /* Rsvd */
- inq_response[7] = len; /* Designator Length */
- memcpy(&inq_response[8], eui, len);
- kfree(id_ns);
- } else {
- scsi_string:
- if (alloc_len < 72) {
- return nvme_trans_completion(hdr,
- SAM_STAT_CHECK_CONDITION,
- ILLEGAL_REQUEST, SCSI_ASC_INVALID_CDB,
- SCSI_ASCQ_CAUSE_NOT_REPORTABLE);
- }
- inq_response[3] = 0x48; /* Page Length */
- /* Designation Descriptor start */
- inq_response[4] = 0x03; /* Proto ID=0h | Code set=3h */
- inq_response[5] = 0x08; /* PIV=0b | Asso=00b | Designator Type=8h */
- inq_response[6] = 0x00; /* Rsvd */
- inq_response[7] = 0x44; /* Designator Length */
-
- sprintf(&inq_response[8], "%04x", to_pci_dev(dev->dev)->vendor);
- memcpy(&inq_response[12], dev->model, sizeof(dev->model));
- sprintf(&inq_response[52], "%04x", tmp_id);
- memcpy(&inq_response[56], dev->serial, sizeof(dev->serial));
+ if (bitmap_empty(eui, len * 8)) {
+ res = -EOPNOTSUPP;
+ goto out_free_id;
}
- xfer_len = alloc_len;
- return nvme_trans_copy_to_user(hdr, inq_response, xfer_len);
+
+ memset(inq_response, 0, alloc_len);
+ inq_response[1] = INQ_DEVICE_IDENTIFICATION_PAGE;
+ inq_response[3] = 4 + len; /* Page Length */
+
+ /* Designation Descriptor start */
+ inq_response[4] = 0x01; /* Proto ID=0h | Code set=1h */
+ inq_response[5] = 0x02; /* PIV=0b | Asso=00b | Designator Type=2h */
+ inq_response[6] = 0x00; /* Rsvd */
+ inq_response[7] = len; /* Designator Length */
+ memcpy(&inq_response[8], eui, len);
+
+ res = nvme_trans_copy_to_user(hdr, inq_response, alloc_len);
+out_free_id:
+ kfree(id_ns);
+ return res;
+}
+
+static int nvme_fill_device_id_scsi_string(struct nvme_ns *ns,
+ struct sg_io_hdr *hdr, u8 *inq_response, int alloc_len)
+{
+ struct nvme_dev *dev = ns->dev;
+
+ if (alloc_len < 72) {
+ return nvme_trans_completion(hdr,
+ SAM_STAT_CHECK_CONDITION,
+ ILLEGAL_REQUEST, SCSI_ASC_INVALID_CDB,
+ SCSI_ASCQ_CAUSE_NOT_REPORTABLE);
+ }
+
+ memset(inq_response, 0, alloc_len);
+ inq_response[1] = INQ_DEVICE_IDENTIFICATION_PAGE;
+ inq_response[3] = 0x48; /* Page Length */
+
+ /* Designation Descriptor start */
+ inq_response[4] = 0x03; /* Proto ID=0h | Code set=3h */
+ inq_response[5] = 0x08; /* PIV=0b | Asso=00b | Designator Type=8h */
+ inq_response[6] = 0x00; /* Rsvd */
+ inq_response[7] = 0x44; /* Designator Length */
+
+ sprintf(&inq_response[8], "%04x", to_pci_dev(dev->dev)->vendor);
+ memcpy(&inq_response[12], dev->model, sizeof(dev->model));
+ sprintf(&inq_response[52], "%04x", cpu_to_be32(ns->ns_id));
+ memcpy(&inq_response[56], dev->serial, sizeof(dev->serial));
+
+ return nvme_trans_copy_to_user(hdr, inq_response, alloc_len);
+}
+
+static int nvme_trans_device_id_page(struct nvme_ns *ns, struct sg_io_hdr *hdr,
+ u8 *resp, int alloc_len)
+{
+ int res;
+
+ if (readl(ns->dev->bar + NVME_REG_VS) >= NVME_VS(1, 1)) {
+ res = nvme_fill_device_id_eui64(ns, hdr, resp, alloc_len);
+ if (res != -EOPNOTSUPP)
+ return res;
+ }
+
+ return nvme_fill_device_id_scsi_string(ns, hdr, resp, alloc_len);
}
static int nvme_trans_ext_inq_page(struct nvme_ns *ns, struct sg_io_hdr *hdr,