diff options
Diffstat (limited to 'drivers/scsi/megaraid.c')
| -rw-r--r-- | drivers/scsi/megaraid.c | 84 |
1 files changed, 34 insertions, 50 deletions
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 0d31d7a5e335..bf987f3a7f3f 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -192,23 +192,21 @@ mega_query_adapter(adapter_t *adapter) { dma_addr_t prod_info_dma_handle; mega_inquiry3 *inquiry3; - u8 raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + u8 *raw_mbox = (u8 *)&mbox; int retval; /* Initialize adapter inquiry mailbox */ - mbox = (mbox_t *)raw_mbox; - memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); /* * Try to issue Inquiry3 command * if not succeeded, then issue MEGA_MBOXCMD_ADAPTERINQ command and * update enquiry3 structure */ - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; inquiry3 = (mega_inquiry3 *)adapter->mega_buffer; @@ -232,10 +230,10 @@ mega_query_adapter(adapter_t *adapter) inq = &ext_inq->raid_inq; - mbox->m_out.xferaddr = (u32)dma_handle; + mbox.xferaddr = (u32)dma_handle; /*issue old 0x04 command to adapter */ - mbox->m_out.cmd = MEGA_MBOXCMD_ADPEXTINQ; + mbox.cmd = MEGA_MBOXCMD_ADPEXTINQ; issue_scb_block(adapter, raw_mbox); @@ -262,7 +260,7 @@ mega_query_adapter(adapter_t *adapter) sizeof(mega_product_info), DMA_FROM_DEVICE); - mbox->m_out.xferaddr = prod_info_dma_handle; + mbox.xferaddr = prod_info_dma_handle; raw_mbox[0] = FC_NEW_CONFIG; /* i.e. mbox->cmd=0xA1 */ raw_mbox[2] = NC_SUBOP_PRODUCT_INFO; /* i.e. 0x0E */ @@ -3569,16 +3567,14 @@ mega_n_to_m(void __user *arg, megacmd_t *mc) static int mega_is_bios_enabled(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; - - mbox = (mbox_t *)raw_mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; raw_mbox[0] = IS_BIOS_ENABLED; raw_mbox[2] = GET_BIOS; @@ -3600,13 +3596,11 @@ mega_is_bios_enabled(adapter_t *adapter) static void mega_enum_raid_scsi(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; int i; - mbox = (mbox_t *)raw_mbox; - - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); /* * issue command to find out what channels are raid/scsi @@ -3616,7 +3610,7 @@ mega_enum_raid_scsi(adapter_t *adapter) memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; /* * Non-ROMB firmware fail this command, so all channels @@ -3655,23 +3649,21 @@ static void mega_get_boot_drv(adapter_t *adapter) { struct private_bios_data *prv_bios_data; - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; u16 cksum = 0; u8 *cksum_p; u8 boot_pdrv; int i; - mbox = (mbox_t *)raw_mbox; - - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); raw_mbox[0] = BIOS_PVT_DATA; raw_mbox[2] = GET_BIOS_PVT_DATA; memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; adapter->boot_ldrv_enabled = 0; adapter->boot_ldrv = 0; @@ -3721,13 +3713,11 @@ mega_get_boot_drv(adapter_t *adapter) static int mega_support_random_del(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; int rval; - mbox = (mbox_t *)raw_mbox; - - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); /* * issue command @@ -3750,13 +3740,11 @@ mega_support_random_del(adapter_t *adapter) static int mega_support_ext_cdb(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; int rval; - mbox = (mbox_t *)raw_mbox; - - memset(&mbox->m_out, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); /* * issue command to find out if controller supports extended CDBs. */ @@ -3865,16 +3853,14 @@ mega_do_del_logdrv(adapter_t *adapter, int logdrv) static void mega_get_max_sgl(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; - mbox = (mbox_t *)raw_mbox; - - memset(mbox, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; raw_mbox[0] = MAIN_MISC_OPCODE; raw_mbox[2] = GET_MAX_SG_SUPPORT; @@ -3888,7 +3874,7 @@ mega_get_max_sgl(adapter_t *adapter) } else { adapter->sglen = *((char *)adapter->mega_buffer); - + /* * Make sure this is not more than the resources we are * planning to allocate @@ -3910,16 +3896,14 @@ mega_get_max_sgl(adapter_t *adapter) static int mega_support_cluster(adapter_t *adapter) { - unsigned char raw_mbox[sizeof(struct mbox_out)]; - mbox_t *mbox; - - mbox = (mbox_t *)raw_mbox; + struct mbox_out mbox; + unsigned char *raw_mbox = (u8 *)&mbox; - memset(mbox, 0, sizeof(raw_mbox)); + memset(&mbox, 0, sizeof(mbox)); memset((void *)adapter->mega_buffer, 0, MEGA_BUFFER_SIZE); - mbox->m_out.xferaddr = (u32)adapter->buf_dma_handle; + mbox.xferaddr = (u32)adapter->buf_dma_handle; /* * Try to get the initiator id. This command will succeed iff the |