[SCSI] ipr: include the resource path in the IOA status area structure

The IOA status area now includes the new resource path field for 64 bit
adapters.  This patch changes the driver to fix the ioasa structure and to use
the correct structure definition based on the type of adatper.

Signed-off-by: Wayne Boyer <wayneb@linux.vnet.ibm.com>
Acked-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

2 files changed, 98 insertions, 59 deletions

diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 735402f61aba..8c2f4c4041c1 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -567,7 +567,8 @@ static void ipr_trc_hook(struct ipr_cmnd *ipr_cmd,
 static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd)
 {
         struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
-        struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
+        struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
+        struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64;
         dma_addr_t dma_addr = ipr_cmd->dma_addr;
 
         memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
@@ -576,19 +577,19 @@ static void ipr_reinit_ipr_cmnd(struct ipr_cmnd *ipr_cmd)
         ioarcb->ioadl_len = 0;
         ioarcb->read_ioadl_len = 0;
 
-        if (ipr_cmd->ioa_cfg->sis64)
+        if (ipr_cmd->ioa_cfg->sis64) {
                 ioarcb->u.sis64_addr_data.data_ioadl_addr =
                         cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64));
-        else {
+                ioasa64->u.gata.status = 0;
+        } else {
                 ioarcb->write_ioadl_addr =
                         cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl));
                 ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
+                ioasa->u.gata.status = 0;
         }
 
-        ioasa->ioasc = 0;
-        ioasa->residual_data_len = 0;
-        ioasa->u.gata.status = 0;
-
+        ioasa->hdr.ioasc = 0;
+        ioasa->hdr.residual_data_len = 0;
         ipr_cmd->scsi_cmd = NULL;
         ipr_cmd->qc = NULL;
         ipr_cmd->sense_buffer[0] = 0;
@@ -768,8 +769,8 @@ static void ipr_fail_all_ops(struct ipr_ioa_cfg *ioa_cfg)
         list_for_each_entry_safe(ipr_cmd, temp, &ioa_cfg->pending_q, queue) {
                 list_del(&ipr_cmd->queue);
 
-                ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_IOA_WAS_RESET);
-                ipr_cmd->ioasa.ilid = cpu_to_be32(IPR_DRIVER_ILID);
+                ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_IOA_WAS_RESET);
+                ipr_cmd->s.ioasa.hdr.ilid = cpu_to_be32(IPR_DRIVER_ILID);
 
                 if (ipr_cmd->scsi_cmd)
                         ipr_cmd->done = ipr_scsi_eh_done;
@@ -1319,7 +1320,7 @@ static void ipr_process_ccn(struct ipr_cmnd *ipr_cmd)
 {
         struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
         struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb;
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
         list_del(&hostrcb->queue);
         list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
@@ -2354,7 +2355,7 @@ static void ipr_process_error(struct ipr_cmnd *ipr_cmd)
 {
         struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
         struct ipr_hostrcb *hostrcb = ipr_cmd->u.hostrcb;
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
         u32 fd_ioasc;
 
         if (ioa_cfg->sis64)
@@ -4509,11 +4510,16 @@ static int ipr_device_reset(struct ipr_ioa_cfg *ioa_cfg,
         }
 
         ipr_send_blocking_cmd(ipr_cmd, ipr_timeout, IPR_DEVICE_RESET_TIMEOUT);
-        ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
         list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
-        if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET)
-                memcpy(&res->sata_port->ioasa, &ipr_cmd->ioasa.u.gata,
-                       sizeof(struct ipr_ioasa_gata));
+        if (ipr_is_gata(res) && res->sata_port && ioasc != IPR_IOASC_IOA_WAS_RESET) {
+                if (ipr_cmd->ioa_cfg->sis64)
+                        memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata,
+                               sizeof(struct ipr_ioasa_gata));
+                else
+                        memcpy(&res->sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata,
+                               sizeof(struct ipr_ioasa_gata));
+        }
 
         LEAVE;
         return (IPR_IOASC_SENSE_KEY(ioasc) ? -EIO : 0);
@@ -4768,7 +4774,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd)
         scmd_printk(KERN_ERR, scsi_cmd, "Aborting command: %02X\n",
                     scsi_cmd->cmnd[0]);
         ipr_send_blocking_cmd(ipr_cmd, ipr_abort_timeout, IPR_CANCEL_ALL_TIMEOUT);
-        ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
         /*
          * If the abort task timed out and we sent a bus reset, we will get
@@ -4940,7 +4946,7 @@ static irqreturn_t ipr_isr(int irq, void *devp)
 
                         ipr_cmd = ioa_cfg->ipr_cmnd_list[cmd_index];
 
-                        ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+                        ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
                         ipr_trc_hook(ipr_cmd, IPR_TRACE_FINISH, ioasc);
 
@@ -5137,7 +5143,7 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
         struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
         struct ipr_resource_entry *res = scsi_cmd->device->hostdata;
         struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
         if (IPR_IOASC_SENSE_KEY(ioasc) > 0) {
                 scsi_cmd->result |= (DID_ERROR << 16);
@@ -5168,7 +5174,7 @@ static void ipr_erp_done(struct ipr_cmnd *ipr_cmd)
 static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
 {
         struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb;
-        struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
+        struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
         dma_addr_t dma_addr = ipr_cmd->dma_addr;
 
         memset(&ioarcb->cmd_pkt, 0, sizeof(struct ipr_cmd_pkt));
@@ -5176,8 +5182,8 @@ static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
         ioarcb->read_data_transfer_length = 0;
         ioarcb->ioadl_len = 0;
         ioarcb->read_ioadl_len = 0;
-        ioasa->ioasc = 0;
-        ioasa->residual_data_len = 0;
+        ioasa->hdr.ioasc = 0;
+        ioasa->hdr.residual_data_len = 0;
 
         if (ipr_cmd->ioa_cfg->sis64)
                 ioarcb->u.sis64_addr_data.data_ioadl_addr =
@@ -5202,7 +5208,7 @@ static void ipr_reinit_ipr_cmnd_for_erp(struct ipr_cmnd *ipr_cmd)
 static void ipr_erp_request_sense(struct ipr_cmnd *ipr_cmd)
 {
         struct ipr_cmd_pkt *cmd_pkt = &ipr_cmd->ioarcb.cmd_pkt;
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
         if (IPR_IOASC_SENSE_KEY(ioasc) > 0) {
                 ipr_erp_done(ipr_cmd);
@@ -5279,12 +5285,12 @@ static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
         int i;
         u16 data_len;
         u32 ioasc, fd_ioasc;
-        struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
+        struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
         __be32 *ioasa_data = (__be32 *)ioasa;
         int error_index;
 
-        ioasc = be32_to_cpu(ioasa->ioasc) & IPR_IOASC_IOASC_MASK;
-        fd_ioasc = be32_to_cpu(ioasa->fd_ioasc) & IPR_IOASC_IOASC_MASK;
+        ioasc = be32_to_cpu(ioasa->hdr.ioasc) & IPR_IOASC_IOASC_MASK;
+        fd_ioasc = be32_to_cpu(ioasa->hdr.fd_ioasc) & IPR_IOASC_IOASC_MASK;
 
         if (0 == ioasc)
                 return;
@@ -5299,7 +5305,7 @@ static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
 
         if (ioa_cfg->log_level < IPR_MAX_LOG_LEVEL) {
                 /* Don't log an error if the IOA already logged one */
-                if (ioasa->ilid != 0)
+                if (ioasa->hdr.ilid != 0)
                         return;
 
                 if (!ipr_is_gscsi(res))
@@ -5311,10 +5317,11 @@ static void ipr_dump_ioasa(struct ipr_ioa_cfg *ioa_cfg,
 
         ipr_res_err(ioa_cfg, res, "%s\n", ipr_error_table[error_index].error);
 
-        if (sizeof(struct ipr_ioasa) < be16_to_cpu(ioasa->ret_stat_len))
+        data_len = be16_to_cpu(ioasa->hdr.ret_stat_len);
+        if (ioa_cfg->sis64 && sizeof(struct ipr_ioasa64) < data_len)
+                data_len = sizeof(struct ipr_ioasa64);
+        else if (!ioa_cfg->sis64 && sizeof(struct ipr_ioasa) < data_len)
                 data_len = sizeof(struct ipr_ioasa);
-        else
-                data_len = be16_to_cpu(ioasa->ret_stat_len);
 
         ipr_err("IOASA Dump:\n");
 
@@ -5340,8 +5347,8 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
         u32 failing_lba;
         u8 *sense_buf = ipr_cmd->scsi_cmd->sense_buffer;
         struct ipr_resource_entry *res = ipr_cmd->scsi_cmd->device->hostdata;
-        struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
-        u32 ioasc = be32_to_cpu(ioasa->ioasc);
+        struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
+        u32 ioasc = be32_to_cpu(ioasa->hdr.ioasc);
 
         memset(sense_buf, 0, SCSI_SENSE_BUFFERSIZE);
 
@@ -5384,7 +5391,7 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
 
                 /* Illegal request */
                 if ((IPR_IOASC_SENSE_KEY(ioasc) == 0x05) &&
-                    (be32_to_cpu(ioasa->ioasc_specific) & IPR_FIELD_POINTER_VALID)) {
+                    (be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_FIELD_POINTER_VALID)) {
                         sense_buf[7] = 10;      /* additional length */
 
                         /* IOARCB was in error */
@@ -5395,10 +5402,10 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
 
                         sense_buf[16] =
                             ((IPR_FIELD_POINTER_MASK &
-                              be32_to_cpu(ioasa->ioasc_specific)) >> 8) & 0xff;
+                              be32_to_cpu(ioasa->hdr.ioasc_specific)) >> 8) & 0xff;
                         sense_buf[17] =
                             (IPR_FIELD_POINTER_MASK &
-                             be32_to_cpu(ioasa->ioasc_specific)) & 0xff;
+                             be32_to_cpu(ioasa->hdr.ioasc_specific)) & 0xff;
                 } else {
                         if (ioasc == IPR_IOASC_MED_DO_NOT_REALLOC) {
                                 if (ipr_is_vset_device(res))
@@ -5430,14 +5437,20 @@ static void ipr_gen_sense(struct ipr_cmnd *ipr_cmd)
  **/
 static int ipr_get_autosense(struct ipr_cmnd *ipr_cmd)
 {
-        struct ipr_ioasa *ioasa = &ipr_cmd->ioasa;
+        struct ipr_ioasa *ioasa = &ipr_cmd->s.ioasa;
+        struct ipr_ioasa64 *ioasa64 = &ipr_cmd->s.ioasa64;
 
-        if ((be32_to_cpu(ioasa->ioasc_specific) & IPR_AUTOSENSE_VALID) == 0)
+        if ((be32_to_cpu(ioasa->hdr.ioasc_specific) & IPR_AUTOSENSE_VALID) == 0)
                 return 0;
 
-        memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data,
-               min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len),
-                   SCSI_SENSE_BUFFERSIZE));
+        if (ipr_cmd->ioa_cfg->sis64)
+                memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa64->auto_sense.data,
+                       min_t(u16, be16_to_cpu(ioasa64->auto_sense.auto_sense_len),
+                           SCSI_SENSE_BUFFERSIZE));
+        else
+                memcpy(ipr_cmd->scsi_cmd->sense_buffer, ioasa->auto_sense.data,
+                       min_t(u16, be16_to_cpu(ioasa->auto_sense.auto_sense_len),
+                           SCSI_SENSE_BUFFERSIZE));
         return 1;
 }
 
@@ -5457,7 +5470,7 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg,
 {
         struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
         struct ipr_resource_entry *res = scsi_cmd->device->hostdata;
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
         u32 masked_ioasc = ioasc & IPR_IOASC_IOASC_MASK;
 
         if (!res) {
@@ -5549,9 +5562,9 @@ static void ipr_scsi_done(struct ipr_cmnd *ipr_cmd)
 {
         struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
         struct scsi_cmnd *scsi_cmd = ipr_cmd->scsi_cmd;
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
-        scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->ioasa.residual_data_len));
+        scsi_set_resid(scsi_cmd, be32_to_cpu(ipr_cmd->s.ioasa.hdr.residual_data_len));
 
         if (likely(IPR_IOASC_SENSE_KEY(ioasc) == 0)) {
                 scsi_dma_unmap(ipr_cmd->scsi_cmd);
@@ -5841,19 +5854,23 @@ static void ipr_sata_done(struct ipr_cmnd *ipr_cmd)
         struct ata_queued_cmd *qc = ipr_cmd->qc;
         struct ipr_sata_port *sata_port = qc->ap->private_data;
         struct ipr_resource_entry *res = sata_port->res;
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
-        memcpy(&sata_port->ioasa, &ipr_cmd->ioasa.u.gata,
-               sizeof(struct ipr_ioasa_gata));
+        if (ipr_cmd->ioa_cfg->sis64)
+                memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa64.u.gata,
+                       sizeof(struct ipr_ioasa_gata));
+        else
+                memcpy(&sata_port->ioasa, &ipr_cmd->s.ioasa.u.gata,
+                       sizeof(struct ipr_ioasa_gata));
         ipr_dump_ioasa(ioa_cfg, ipr_cmd, res);
 
-        if (be32_to_cpu(ipr_cmd->ioasa.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET)
+        if (be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc_specific) & IPR_ATA_DEVICE_WAS_RESET)
                 scsi_report_device_reset(ioa_cfg->host, res->bus, res->target);
 
         if (IPR_IOASC_SENSE_KEY(ioasc) > RECOVERED_ERROR)
-                qc->err_mask |= __ac_err_mask(ipr_cmd->ioasa.u.gata.status);
+                qc->err_mask |= __ac_err_mask(sata_port->ioasa.status);
         else
-                qc->err_mask |= ac_err_mask(ipr_cmd->ioasa.u.gata.status);
+                qc->err_mask |= ac_err_mask(sata_port->ioasa.status);
         list_add_tail(&ipr_cmd->queue, &ioa_cfg->free_q);
         ata_qc_complete(qc);
 }
@@ -6522,7 +6539,7 @@ static void ipr_build_mode_sense(struct ipr_cmnd *ipr_cmd,
 static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd)
 {
         struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
         dev_err(&ioa_cfg->pdev->dev,
                 "0x%02X failed with IOASC: 0x%08X\n",
@@ -6546,7 +6563,7 @@ static int ipr_reset_cmd_failed(struct ipr_cmnd *ipr_cmd)
 static int ipr_reset_mode_sense_failed(struct ipr_cmnd *ipr_cmd)
 {
         struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
         if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) {
                 ipr_cmd->job_step = ipr_set_supported_devs;
@@ -6636,7 +6653,7 @@ static int ipr_ioafp_mode_select_page24(struct ipr_cmnd *ipr_cmd)
  **/
 static int ipr_reset_mode_sense_page24_failed(struct ipr_cmnd *ipr_cmd)
 {
-        u32 ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+        u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
         if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) {
                 ipr_cmd->job_step = ipr_ioafp_mode_sense_page28;
@@ -7337,12 +7354,12 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
         rc = pci_restore_state(ioa_cfg->pdev);
 
         if (rc != PCIBIOS_SUCCESSFUL) {
-                ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
+                ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
                 return IPR_RC_JOB_CONTINUE;
         }
 
         if (ipr_set_pcix_cmd_reg(ioa_cfg)) {
-                ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
+                ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
                 return IPR_RC_JOB_CONTINUE;
         }
 
@@ -7411,7 +7428,7 @@ static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd)
 
         if (rc != PCIBIOS_SUCCESSFUL) {
                 pci_unblock_user_cfg_access(ipr_cmd->ioa_cfg->pdev);
-                ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
+                ipr_cmd->s.ioasa.hdr.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
                 rc = IPR_RC_JOB_CONTINUE;
         } else {
                 ipr_cmd->job_step = ipr_reset_bist_done;
@@ -7670,7 +7687,7 @@ static void ipr_reset_ioa_job(struct ipr_cmnd *ipr_cmd)
         struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg;
 
         do {
-                ioasc = be32_to_cpu(ipr_cmd->ioasa.ioasc);
+                ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc);
 
                 if (ioa_cfg->reset_cmd != ipr_cmd) {
                         /*
@@ -8053,13 +8070,13 @@ static int __devinit ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg)
                         ioarcb->u.sis64_addr_data.data_ioadl_addr =
                                 cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, i.ioadl64));
                         ioarcb->u.sis64_addr_data.ioasa_host_pci_addr =
-                                cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, ioasa));
+                                cpu_to_be64(dma_addr + offsetof(struct ipr_cmnd, s.ioasa64));
                 } else {
                         ioarcb->write_ioadl_addr =
                                 cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, i.ioadl));
                         ioarcb->read_ioadl_addr = ioarcb->write_ioadl_addr;
                         ioarcb->ioasa_host_pci_addr =
-                                cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, ioasa));
+                                cpu_to_be32(dma_addr + offsetof(struct ipr_cmnd, s.ioasa));
                 }
                 ioarcb->ioasa_len = cpu_to_be16(sizeof(struct ipr_ioasa));
                 ipr_cmd->cmd_index = i;
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 4e7f81494ea4..f8a17d88db84 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -614,7 +614,7 @@ struct ipr_auto_sense {
         __be32 data[SCSI_SENSE_BUFFERSIZE/sizeof(__be32)];
 };
 
-struct ipr_ioasa {
+struct ipr_ioasa_hdr {
         __be32 ioasc;
 #define IPR_IOASC_SENSE_KEY(ioasc) ((ioasc) >> 24)
 #define IPR_IOASC_SENSE_CODE(ioasc) (((ioasc) & 0x00ff0000) >> 16)
@@ -646,6 +646,25 @@ struct ipr_ioasa {
 #define IPR_FIELD_POINTER_VALID         (0x80000000 >> 8)
 #define IPR_FIELD_POINTER_MASK          0x0000ffff
 
+}__attribute__((packed, aligned (4)));
+
+struct ipr_ioasa {
+        struct ipr_ioasa_hdr hdr;
+
+        union {
+                struct ipr_ioasa_vset vset;
+                struct ipr_ioasa_af_dasd dasd;
+                struct ipr_ioasa_gpdd gpdd;
+                struct ipr_ioasa_gata gata;
+        } u;
+
+        struct ipr_auto_sense auto_sense;
+}__attribute__((packed, aligned (4)));
+
+struct ipr_ioasa64 {
+        struct ipr_ioasa_hdr hdr;
+        u8 fd_res_path[8];
+
         union {
                 struct ipr_ioasa_vset vset;
                 struct ipr_ioasa_af_dasd dasd;
@@ -1465,7 +1484,10 @@ struct ipr_cmnd {
                 struct ipr_ioadl64_desc ioadl64[IPR_NUM_IOADL_ENTRIES];
                 struct ipr_ata64_ioadl ata_ioadl;
         } i;
-        struct ipr_ioasa ioasa;
+        union {
+                struct ipr_ioasa ioasa;
+                struct ipr_ioasa64 ioasa64;
+        } s;
         struct list_head queue;
         struct scsi_cmnd *scsi_cmd;
         struct ata_queued_cmd *qc;