[SCSI] qla2xxx: Provide method for updating I2C attached VPD.
Joe Carnuccio [Tue, 16 Aug 2011 18:31:52 +0000 (11:31 -0700)]
Provide bsg interface for updating VPD attached on the I2C serial bus.

Signed-off-by: Joe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

drivers/scsi/qla2xxx/qla_bsg.c
drivers/scsi/qla2xxx/qla_bsg.h

index e5954a4..8b641a8 100644 (file)
@@ -1448,6 +1448,148 @@ qla2x00_update_optrom(struct fc_bsg_job *bsg_job)
 }
 
 static int
+qla2x00_update_fru_versions(struct fc_bsg_job *bsg_job)
+{
+       struct Scsi_Host *host = bsg_job->shost;
+       scsi_qla_host_t *vha = shost_priv(host);
+       struct qla_hw_data *ha = vha->hw;
+       int rval = 0;
+       uint8_t bsg[DMA_POOL_SIZE];
+       struct qla_image_version_list *list = (void *)bsg;
+       struct qla_image_version *image;
+       uint32_t count;
+       dma_addr_t sfp_dma;
+       void *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+       if (!sfp) {
+               bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+                   EXT_STATUS_NO_MEMORY;
+               goto done;
+       }
+
+       sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+           bsg_job->request_payload.sg_cnt, list, sizeof(bsg));
+
+       image = list->version;
+       count = list->count;
+       while (count--) {
+               memcpy(sfp, &image->field_info, sizeof(image->field_info));
+               rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
+                   image->field_address.device, image->field_address.offset,
+                   sizeof(image->field_info), image->field_address.option);
+               if (rval) {
+                       bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+                           EXT_STATUS_MAILBOX;
+                       goto dealloc;
+               }
+               image++;
+       }
+
+       bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+       dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+       bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+       bsg_job->reply->result = DID_OK << 16;
+       bsg_job->job_done(bsg_job);
+
+       return 0;
+}
+
+static int
+qla2x00_read_fru_status(struct fc_bsg_job *bsg_job)
+{
+       struct Scsi_Host *host = bsg_job->shost;
+       scsi_qla_host_t *vha = shost_priv(host);
+       struct qla_hw_data *ha = vha->hw;
+       int rval = 0;
+       uint8_t bsg[DMA_POOL_SIZE];
+       struct qla_status_reg *sr = (void *)bsg;
+       dma_addr_t sfp_dma;
+       uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+       if (!sfp) {
+               bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+                   EXT_STATUS_NO_MEMORY;
+               goto done;
+       }
+
+       sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+           bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
+
+       rval = qla2x00_read_sfp(vha, sfp_dma, sfp,
+           sr->field_address.device, sr->field_address.offset,
+           sizeof(sr->status_reg), sr->field_address.option);
+       sr->status_reg = *sfp;
+
+       if (rval) {
+               bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+                   EXT_STATUS_MAILBOX;
+               goto dealloc;
+       }
+
+       sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
+           bsg_job->reply_payload.sg_cnt, sr, sizeof(*sr));
+
+       bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+       dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+       bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+       bsg_job->reply->reply_payload_rcv_len = sizeof(*sr);
+       bsg_job->reply->result = DID_OK << 16;
+       bsg_job->job_done(bsg_job);
+
+       return 0;
+}
+
+static int
+qla2x00_write_fru_status(struct fc_bsg_job *bsg_job)
+{
+       struct Scsi_Host *host = bsg_job->shost;
+       scsi_qla_host_t *vha = shost_priv(host);
+       struct qla_hw_data *ha = vha->hw;
+       int rval = 0;
+       uint8_t bsg[DMA_POOL_SIZE];
+       struct qla_status_reg *sr = (void *)bsg;
+       dma_addr_t sfp_dma;
+       uint8_t *sfp = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &sfp_dma);
+       if (!sfp) {
+               bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+                   EXT_STATUS_NO_MEMORY;
+               goto done;
+       }
+
+       sg_copy_to_buffer(bsg_job->request_payload.sg_list,
+           bsg_job->request_payload.sg_cnt, sr, sizeof(*sr));
+
+       *sfp = sr->status_reg;
+       rval = qla2x00_write_sfp(vha, sfp_dma, sfp,
+           sr->field_address.device, sr->field_address.offset,
+           sizeof(sr->status_reg), sr->field_address.option);
+
+       if (rval) {
+               bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] =
+                   EXT_STATUS_MAILBOX;
+               goto dealloc;
+       }
+
+       bsg_job->reply->reply_data.vendor_reply.vendor_rsp[0] = 0;
+
+dealloc:
+       dma_pool_free(ha->s_dma_pool, sfp, sfp_dma);
+
+done:
+       bsg_job->reply_len = sizeof(struct fc_bsg_reply);
+       bsg_job->reply->result = DID_OK << 16;
+       bsg_job->job_done(bsg_job);
+
+       return 0;
+}
+
+static int
 qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
 {
        switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
@@ -1475,6 +1617,15 @@ qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
        case QL_VND_UPDATE_FLASH:
                return qla2x00_update_optrom(bsg_job);
 
+       case QL_VND_SET_FRU_VERSION:
+               return qla2x00_update_fru_versions(bsg_job);
+
+       case QL_VND_READ_FRU_STATUS:
+               return qla2x00_read_fru_status(bsg_job);
+
+       case QL_VND_WRITE_FRU_STATUS:
+               return qla2x00_write_fru_status(bsg_job);
+
        default:
                bsg_job->reply->result = (DID_ERROR << 16);
                bsg_job->job_done(bsg_job);
index 0f0f54e..70caa63 100644 (file)
 #define QL_VND_FCP_PRIO_CFG_CMD        0x06
 #define QL_VND_READ_FLASH      0x07
 #define QL_VND_UPDATE_FLASH    0x08
+#define QL_VND_SET_FRU_VERSION 0x0B
+#define QL_VND_READ_FRU_STATUS 0x0C
+#define QL_VND_WRITE_FRU_STATUS        0x0D
+
+/* BSG Vendor specific subcode returns */
+#define EXT_STATUS_OK                  0
+#define EXT_STATUS_ERR                 1
+#define EXT_STATUS_INVALID_PARAM       6
+#define EXT_STATUS_MAILBOX             11
+#define EXT_STATUS_NO_MEMORY           17
 
 /* BSG definations for interpreting CommandSent field */
 #define INT_DEF_LB_LOOPBACK_CMD         0
@@ -141,4 +151,36 @@ struct qla_port_param {
        uint16_t mode;
        uint16_t speed;
 } __attribute__ ((packed));
+
+
+/* FRU VPD */
+
+#define MAX_FRU_SIZE   36
+
+struct qla_field_address {
+       uint16_t offset;
+       uint16_t device;
+       uint16_t option;
+} __packed;
+
+struct qla_field_info {
+       uint8_t version[MAX_FRU_SIZE];
+} __packed;
+
+struct qla_image_version {
+       struct qla_field_address field_address;
+       struct qla_field_info field_info;
+} __packed;
+
+struct qla_image_version_list {
+       uint32_t count;
+       struct qla_image_version version[0];
+} __packed;
+
+struct qla_status_reg {
+       struct qla_field_address field_address;
+       uint8_t status_reg;
+       uint8_t reserved[7];
+} __packed;
+
 #endif