diff options
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cmd.c | 276 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cmd.h | 93 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_cq.c | 15 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_eq.c | 43 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_mad.c | 15 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_main.c | 173 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_mcg.c | 101 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_memfree.c | 43 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_mr.c | 35 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_provider.c | 77 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_qp.c | 49 | ||||
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_srq.c | 33 | 
12 files changed, 342 insertions, 611 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.c b/drivers/infiniband/hw/mthca/mthca_cmd.c index 7bfa2a16495..3082b3b3d62 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.c +++ b/drivers/infiniband/hw/mthca/mthca_cmd.c @@ -301,6 +301,38 @@ static int mthca_cmd_post(struct mthca_dev *dev,  	return err;  } + +static int mthca_status_to_errno(u8 status) +{ +	static const int trans_table[] = { +		[MTHCA_CMD_STAT_INTERNAL_ERR]   = -EIO, +		[MTHCA_CMD_STAT_BAD_OP]         = -EPERM, +		[MTHCA_CMD_STAT_BAD_PARAM]      = -EINVAL, +		[MTHCA_CMD_STAT_BAD_SYS_STATE]  = -ENXIO, +		[MTHCA_CMD_STAT_BAD_RESOURCE]   = -EBADF, +		[MTHCA_CMD_STAT_RESOURCE_BUSY]  = -EBUSY, +		[MTHCA_CMD_STAT_DDR_MEM_ERR]    = -ENOMEM, +		[MTHCA_CMD_STAT_EXCEED_LIM]     = -ENOMEM, +		[MTHCA_CMD_STAT_BAD_RES_STATE]  = -EBADF, +		[MTHCA_CMD_STAT_BAD_INDEX]      = -EBADF, +		[MTHCA_CMD_STAT_BAD_NVMEM]      = -EFAULT, +		[MTHCA_CMD_STAT_BAD_QPEE_STATE] = -EINVAL, +		[MTHCA_CMD_STAT_BAD_SEG_PARAM]  = -EFAULT, +		[MTHCA_CMD_STAT_REG_BOUND]      = -EBUSY, +		[MTHCA_CMD_STAT_LAM_NOT_PRE]    = -EAGAIN, +		[MTHCA_CMD_STAT_BAD_PKT]        = -EBADMSG, +		[MTHCA_CMD_STAT_BAD_SIZE]       = -ENOMEM, +	}; + +	if (status >= ARRAY_SIZE(trans_table) || +			(status != MTHCA_CMD_STAT_OK +			 && trans_table[status] == 0)) +		return -EINVAL; + +	return trans_table[status]; +} + +  static int mthca_cmd_poll(struct mthca_dev *dev,  			  u64 in_param,  			  u64 *out_param, @@ -308,11 +340,11 @@ static int mthca_cmd_poll(struct mthca_dev *dev,  			  u32 in_modifier,  			  u8 op_modifier,  			  u16 op, -			  unsigned long timeout, -			  u8 *status) +			  unsigned long timeout)  {  	int err = 0;  	unsigned long end; +	u8 status;  	down(&dev->cmd.poll_sem); @@ -341,7 +373,12 @@ static int mthca_cmd_poll(struct mthca_dev *dev,  			(u64) be32_to_cpu((__force __be32)  					  __raw_readl(dev->hcr + HCR_OUT_PARAM_OFFSET + 4)); -	*status = be32_to_cpu((__force __be32) __raw_readl(dev->hcr + HCR_STATUS_OFFSET)) >> 24; +	status = be32_to_cpu((__force __be32) __raw_readl(dev->hcr + HCR_STATUS_OFFSET)) >> 24; +	if (status) { +		mthca_dbg(dev, "Command %02x completed with status %02x\n", +			  op, status); +		err = mthca_status_to_errno(status); +	}  out:  	up(&dev->cmd.poll_sem); @@ -374,8 +411,7 @@ static int mthca_cmd_wait(struct mthca_dev *dev,  			  u32 in_modifier,  			  u8 op_modifier,  			  u16 op, -			  unsigned long timeout, -			  u8 *status) +			  unsigned long timeout)  {  	int err = 0;  	struct mthca_cmd_context *context; @@ -407,10 +443,11 @@ static int mthca_cmd_wait(struct mthca_dev *dev,  	if (err)  		goto out; -	*status = context->status; -	if (*status) +	if (context->status) {  		mthca_dbg(dev, "Command %02x completed with status %02x\n", -			  op, *status); +			  op, context->status); +		err = mthca_status_to_errno(context->status); +	}  	if (out_is_imm)  		*out_param = context->out_param; @@ -432,17 +469,16 @@ static int mthca_cmd_box(struct mthca_dev *dev,  			 u32 in_modifier,  			 u8 op_modifier,  			 u16 op, -			 unsigned long timeout, -			 u8 *status) +			 unsigned long timeout)  {  	if (dev->cmd.flags & MTHCA_CMD_USE_EVENTS)  		return mthca_cmd_wait(dev, in_param, &out_param, 0,  				      in_modifier, op_modifier, op, -				      timeout, status); +				      timeout);  	else  		return mthca_cmd_poll(dev, in_param, &out_param, 0,  				      in_modifier, op_modifier, op, -				      timeout, status); +				      timeout);  }  /* Invoke a command with no output parameter */ @@ -451,11 +487,10 @@ static int mthca_cmd(struct mthca_dev *dev,  		     u32 in_modifier,  		     u8 op_modifier,  		     u16 op, -		     unsigned long timeout, -		     u8 *status) +		     unsigned long timeout)  {  	return mthca_cmd_box(dev, in_param, 0, in_modifier, -			     op_modifier, op, timeout, status); +			     op_modifier, op, timeout);  }  /* @@ -469,17 +504,16 @@ static int mthca_cmd_imm(struct mthca_dev *dev,  			 u32 in_modifier,  			 u8 op_modifier,  			 u16 op, -			 unsigned long timeout, -			 u8 *status) +			 unsigned long timeout)  {  	if (dev->cmd.flags & MTHCA_CMD_USE_EVENTS)  		return mthca_cmd_wait(dev, in_param, out_param, 1,  				      in_modifier, op_modifier, op, -				      timeout, status); +				      timeout);  	else  		return mthca_cmd_poll(dev, in_param, out_param, 1,  				      in_modifier, op_modifier, op, -				      timeout, status); +				      timeout);  }  int mthca_cmd_init(struct mthca_dev *dev) @@ -596,14 +630,14 @@ void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox)  	kfree(mailbox);  } -int mthca_SYS_EN(struct mthca_dev *dev, u8 *status) +int mthca_SYS_EN(struct mthca_dev *dev)  {  	u64 out;  	int ret; -	ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, CMD_TIME_CLASS_D, status); +	ret = mthca_cmd_imm(dev, 0, &out, 0, 0, CMD_SYS_EN, CMD_TIME_CLASS_D); -	if (*status == MTHCA_CMD_STAT_DDR_MEM_ERR) +	if (ret == -ENOMEM)  		mthca_warn(dev, "SYS_EN DDR error: syn=%x, sock=%d, "  			   "sladdr=%d, SPD source=%s\n",  			   (int) (out >> 6) & 0xf, (int) (out >> 4) & 3, @@ -612,13 +646,13 @@ int mthca_SYS_EN(struct mthca_dev *dev, u8 *status)  	return ret;  } -int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status) +int mthca_SYS_DIS(struct mthca_dev *dev)  { -	return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C, status); +	return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C);  }  static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm, -			 u64 virt, u8 *status) +			 u64 virt)  {  	struct mthca_mailbox *mailbox;  	struct mthca_icm_iter iter; @@ -666,8 +700,8 @@ static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm,  			if (++nent == MTHCA_MAILBOX_SIZE / 16) {  				err = mthca_cmd(dev, mailbox->dma, nent, 0, op, -						CMD_TIME_CLASS_B, status); -				if (err || *status) +						CMD_TIME_CLASS_B); +				if (err)  					goto out;  				nent = 0;  			} @@ -676,7 +710,7 @@ static int mthca_map_cmd(struct mthca_dev *dev, u16 op, struct mthca_icm *icm,  	if (nent)  		err = mthca_cmd(dev, mailbox->dma, nent, 0, op, -				CMD_TIME_CLASS_B, status); +				CMD_TIME_CLASS_B);  	switch (op) {  	case CMD_MAP_FA: @@ -696,19 +730,19 @@ out:  	return err;  } -int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status) +int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm)  { -	return mthca_map_cmd(dev, CMD_MAP_FA, icm, -1, status); +	return mthca_map_cmd(dev, CMD_MAP_FA, icm, -1);  } -int mthca_UNMAP_FA(struct mthca_dev *dev, u8 *status) +int mthca_UNMAP_FA(struct mthca_dev *dev)  { -	return mthca_cmd(dev, 0, 0, 0, CMD_UNMAP_FA, CMD_TIME_CLASS_B, status); +	return mthca_cmd(dev, 0, 0, 0, CMD_UNMAP_FA, CMD_TIME_CLASS_B);  } -int mthca_RUN_FW(struct mthca_dev *dev, u8 *status) +int mthca_RUN_FW(struct mthca_dev *dev)  { -	return mthca_cmd(dev, 0, 0, 0, CMD_RUN_FW, CMD_TIME_CLASS_A, status); +	return mthca_cmd(dev, 0, 0, 0, CMD_RUN_FW, CMD_TIME_CLASS_A);  }  static void mthca_setup_cmd_doorbells(struct mthca_dev *dev, u64 base) @@ -737,7 +771,7 @@ static void mthca_setup_cmd_doorbells(struct mthca_dev *dev, u64 base)  	mthca_dbg(dev, "Mapped doorbell page for posting FW commands\n");  } -int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status) +int mthca_QUERY_FW(struct mthca_dev *dev)  {  	struct mthca_mailbox *mailbox;  	u32 *outbox; @@ -771,7 +805,7 @@ int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status)  	outbox = mailbox->buf;  	err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_FW, -			    CMD_TIME_CLASS_A, status); +			    CMD_TIME_CLASS_A);  	if (err)  		goto out; @@ -843,7 +877,7 @@ out:  	return err;  } -int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status) +int mthca_ENABLE_LAM(struct mthca_dev *dev)  {  	struct mthca_mailbox *mailbox;  	u8 info; @@ -864,14 +898,11 @@ int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status)  	outbox = mailbox->buf;  	err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_ENABLE_LAM, -			    CMD_TIME_CLASS_C, status); +			    CMD_TIME_CLASS_C);  	if (err)  		goto out; -	if (*status == MTHCA_CMD_STAT_LAM_NOT_PRE) -		goto out; -  	MTHCA_GET(dev->ddr_start, outbox, ENABLE_LAM_START_OFFSET);  	MTHCA_GET(dev->ddr_end,   outbox, ENABLE_LAM_END_OFFSET);  	MTHCA_GET(info,           outbox, ENABLE_LAM_INFO_OFFSET); @@ -896,12 +927,12 @@ out:  	return err;  } -int mthca_DISABLE_LAM(struct mthca_dev *dev, u8 *status) +int mthca_DISABLE_LAM(struct mthca_dev *dev)  { -	return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C, status); +	return mthca_cmd(dev, 0, 0, 0, CMD_SYS_DIS, CMD_TIME_CLASS_C);  } -int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status) +int mthca_QUERY_DDR(struct mthca_dev *dev)  {  	struct mthca_mailbox *mailbox;  	u8 info; @@ -922,7 +953,7 @@ int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status)  	outbox = mailbox->buf;  	err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_DDR, -			    CMD_TIME_CLASS_A, status); +			    CMD_TIME_CLASS_A);  	if (err)  		goto out; @@ -952,7 +983,7 @@ out:  }  int mthca_QUERY_DEV_LIM(struct mthca_dev *dev, -			struct mthca_dev_lim *dev_lim, u8 *status) +			struct mthca_dev_lim *dev_lim)  {  	struct mthca_mailbox *mailbox;  	u32 *outbox; @@ -1028,7 +1059,7 @@ int mthca_QUERY_DEV_LIM(struct mthca_dev *dev,  	outbox = mailbox->buf;  	err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_DEV_LIM, -			    CMD_TIME_CLASS_A, status); +			    CMD_TIME_CLASS_A);  	if (err)  		goto out; @@ -1232,7 +1263,7 @@ static void get_board_id(void *vsd, char *board_id)  }  int mthca_QUERY_ADAPTER(struct mthca_dev *dev, -			struct mthca_adapter *adapter, u8 *status) +			struct mthca_adapter *adapter)  {  	struct mthca_mailbox *mailbox;  	u32 *outbox; @@ -1251,7 +1282,7 @@ int mthca_QUERY_ADAPTER(struct mthca_dev *dev,  	outbox = mailbox->buf;  	err = mthca_cmd_box(dev, 0, mailbox->dma, 0, 0, CMD_QUERY_ADAPTER, -			    CMD_TIME_CLASS_A, status); +			    CMD_TIME_CLASS_A);  	if (err)  		goto out; @@ -1275,8 +1306,7 @@ out:  }  int mthca_INIT_HCA(struct mthca_dev *dev, -		   struct mthca_init_hca_param *param, -		   u8 *status) +		   struct mthca_init_hca_param *param)  {  	struct mthca_mailbox *mailbox;  	__be32 *inbox; @@ -1393,7 +1423,8 @@ int mthca_INIT_HCA(struct mthca_dev *dev,  		MTHCA_PUT(inbox, param->uarc_base,   INIT_HCA_UAR_CTX_BASE_OFFSET);  	} -	err = mthca_cmd(dev, mailbox->dma, 0, 0, CMD_INIT_HCA, CMD_TIME_CLASS_D, status); +	err = mthca_cmd(dev, mailbox->dma, 0, 0, +			CMD_INIT_HCA, CMD_TIME_CLASS_D);  	mthca_free_mailbox(dev, mailbox);  	return err; @@ -1401,7 +1432,7 @@ int mthca_INIT_HCA(struct mthca_dev *dev,  int mthca_INIT_IB(struct mthca_dev *dev,  		  struct mthca_init_ib_param *param, -		  int port, u8 *status) +		  int port)  {  	struct mthca_mailbox *mailbox;  	u32 *inbox; @@ -1445,24 +1476,24 @@ int mthca_INIT_IB(struct mthca_dev *dev,  	MTHCA_PUT(inbox, param->si_guid,   INIT_IB_SI_GUID_OFFSET);  	err = mthca_cmd(dev, mailbox->dma, port, 0, CMD_INIT_IB, -			CMD_TIME_CLASS_A, status); +			CMD_TIME_CLASS_A);  	mthca_free_mailbox(dev, mailbox);  	return err;  } -int mthca_CLOSE_IB(struct mthca_dev *dev, int port, u8 *status) +int mthca_CLOSE_IB(struct mthca_dev *dev, int port)  { -	return mthca_cmd(dev, 0, port, 0, CMD_CLOSE_IB, CMD_TIME_CLASS_A, status); +	return mthca_cmd(dev, 0, port, 0, CMD_CLOSE_IB, CMD_TIME_CLASS_A);  } -int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic, u8 *status) +int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic)  { -	return mthca_cmd(dev, 0, 0, panic, CMD_CLOSE_HCA, CMD_TIME_CLASS_C, status); +	return mthca_cmd(dev, 0, 0, panic, CMD_CLOSE_HCA, CMD_TIME_CLASS_C);  }  int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param, -		 int port, u8 *status) +		 int port)  {  	struct mthca_mailbox *mailbox;  	u32 *inbox; @@ -1491,18 +1522,18 @@ int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param,  	MTHCA_PUT(inbox, param->si_guid,  SET_IB_SI_GUID_OFFSET);  	err = mthca_cmd(dev, mailbox->dma, port, 0, CMD_SET_IB, -			CMD_TIME_CLASS_B, status); +			CMD_TIME_CLASS_B);  	mthca_free_mailbox(dev, mailbox);  	return err;  } -int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt, u8 *status) +int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt)  { -	return mthca_map_cmd(dev, CMD_MAP_ICM, icm, virt, status); +	return mthca_map_cmd(dev, CMD_MAP_ICM, icm, virt);  } -int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt, u8 *status) +int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt)  {  	struct mthca_mailbox *mailbox;  	__be64 *inbox; @@ -1517,7 +1548,7 @@ int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt, u8 *status  	inbox[1] = cpu_to_be64(dma_addr);  	err = mthca_cmd(dev, mailbox->dma, 1, 0, CMD_MAP_ICM, -			CMD_TIME_CLASS_B, status); +			CMD_TIME_CLASS_B);  	mthca_free_mailbox(dev, mailbox); @@ -1528,31 +1559,31 @@ int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt, u8 *status  	return err;  } -int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count, u8 *status) +int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count)  {  	mthca_dbg(dev, "Unmapping %d pages at %llx from ICM.\n",  		  page_count, (unsigned long long) virt); -	return mthca_cmd(dev, virt, page_count, 0, CMD_UNMAP_ICM, CMD_TIME_CLASS_B, status); +	return mthca_cmd(dev, virt, page_count, 0, +			CMD_UNMAP_ICM, CMD_TIME_CLASS_B);  } -int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status) +int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm)  { -	return mthca_map_cmd(dev, CMD_MAP_ICM_AUX, icm, -1, status); +	return mthca_map_cmd(dev, CMD_MAP_ICM_AUX, icm, -1);  } -int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev, u8 *status) +int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev)  { -	return mthca_cmd(dev, 0, 0, 0, CMD_UNMAP_ICM_AUX, CMD_TIME_CLASS_B, status); +	return mthca_cmd(dev, 0, 0, 0, CMD_UNMAP_ICM_AUX, CMD_TIME_CLASS_B);  } -int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages, -		       u8 *status) +int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages)  { -	int ret = mthca_cmd_imm(dev, icm_size, aux_pages, 0, 0, CMD_SET_ICM_SIZE, -				CMD_TIME_CLASS_A, status); +	int ret = mthca_cmd_imm(dev, icm_size, aux_pages, 0, +			0, CMD_SET_ICM_SIZE, CMD_TIME_CLASS_A); -	if (ret || status) +	if (ret)  		return ret;  	/* @@ -1566,74 +1597,73 @@ int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages,  }  int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int mpt_index, u8 *status) +		    int mpt_index)  {  	return mthca_cmd(dev, mailbox->dma, mpt_index, 0, CMD_SW2HW_MPT, -			 CMD_TIME_CLASS_B, status); +			 CMD_TIME_CLASS_B);  }  int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int mpt_index, u8 *status) +		    int mpt_index)  {  	return mthca_cmd_box(dev, 0, mailbox ? mailbox->dma : 0, mpt_index,  			     !mailbox, CMD_HW2SW_MPT, -			     CMD_TIME_CLASS_B, status); +			     CMD_TIME_CLASS_B);  }  int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int num_mtt, u8 *status) +		    int num_mtt)  {  	return mthca_cmd(dev, mailbox->dma, num_mtt, 0, CMD_WRITE_MTT, -			 CMD_TIME_CLASS_B, status); +			 CMD_TIME_CLASS_B);  } -int mthca_SYNC_TPT(struct mthca_dev *dev, u8 *status) +int mthca_SYNC_TPT(struct mthca_dev *dev)  { -	return mthca_cmd(dev, 0, 0, 0, CMD_SYNC_TPT, CMD_TIME_CLASS_B, status); +	return mthca_cmd(dev, 0, 0, 0, CMD_SYNC_TPT, CMD_TIME_CLASS_B);  }  int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap, -		 int eq_num, u8 *status) +		 int eq_num)  {  	mthca_dbg(dev, "%s mask %016llx for eqn %d\n",  		  unmap ? "Clearing" : "Setting",  		  (unsigned long long) event_mask, eq_num);  	return mthca_cmd(dev, event_mask, (unmap << 31) | eq_num, -			 0, CMD_MAP_EQ, CMD_TIME_CLASS_B, status); +			 0, CMD_MAP_EQ, CMD_TIME_CLASS_B);  }  int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		   int eq_num, u8 *status) +		   int eq_num)  {  	return mthca_cmd(dev, mailbox->dma, eq_num, 0, CMD_SW2HW_EQ, -			 CMD_TIME_CLASS_A, status); +			 CMD_TIME_CLASS_A);  }  int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		   int eq_num, u8 *status) +		   int eq_num)  {  	return mthca_cmd_box(dev, 0, mailbox->dma, eq_num, 0,  			     CMD_HW2SW_EQ, -			     CMD_TIME_CLASS_A, status); +			     CMD_TIME_CLASS_A);  }  int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		   int cq_num, u8 *status) +		   int cq_num)  {  	return mthca_cmd(dev, mailbox->dma, cq_num, 0, CMD_SW2HW_CQ, -			CMD_TIME_CLASS_A, status); +			CMD_TIME_CLASS_A);  }  int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		   int cq_num, u8 *status) +		   int cq_num)  {  	return mthca_cmd_box(dev, 0, mailbox->dma, cq_num, 0,  			     CMD_HW2SW_CQ, -			     CMD_TIME_CLASS_A, status); +			     CMD_TIME_CLASS_A);  } -int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size, -		    u8 *status) +int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size)  {  	struct mthca_mailbox *mailbox;  	__be32 *inbox; @@ -1657,44 +1687,43 @@ int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size,  	MTHCA_PUT(inbox, lkey,     RESIZE_CQ_LKEY_OFFSET);  	err = mthca_cmd(dev, mailbox->dma, cq_num, 1, CMD_RESIZE_CQ, -			CMD_TIME_CLASS_B, status); +			CMD_TIME_CLASS_B);  	mthca_free_mailbox(dev, mailbox);  	return err;  }  int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int srq_num, u8 *status) +		    int srq_num)  {  	return mthca_cmd(dev, mailbox->dma, srq_num, 0, CMD_SW2HW_SRQ, -			CMD_TIME_CLASS_A, status); +			CMD_TIME_CLASS_A);  }  int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int srq_num, u8 *status) +		    int srq_num)  {  	return mthca_cmd_box(dev, 0, mailbox->dma, srq_num, 0,  			     CMD_HW2SW_SRQ, -			     CMD_TIME_CLASS_A, status); +			     CMD_TIME_CLASS_A);  }  int mthca_QUERY_SRQ(struct mthca_dev *dev, u32 num, -		    struct mthca_mailbox *mailbox, u8 *status) +		    struct mthca_mailbox *mailbox)  {  	return mthca_cmd_box(dev, 0, mailbox->dma, num, 0, -			     CMD_QUERY_SRQ, CMD_TIME_CLASS_A, status); +			     CMD_QUERY_SRQ, CMD_TIME_CLASS_A);  } -int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit, u8 *status) +int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit)  {  	return mthca_cmd(dev, limit, srq_num, 0, CMD_ARM_SRQ, -			 CMD_TIME_CLASS_B, status); +			 CMD_TIME_CLASS_B);  }  int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur,  		    enum ib_qp_state next, u32 num, int is_ee, -		    struct mthca_mailbox *mailbox, u32 optmask, -		    u8 *status) +		    struct mthca_mailbox *mailbox, u32 optmask)  {  	static const u16 op[IB_QPS_ERR + 1][IB_QPS_ERR + 1] = {  		[IB_QPS_RESET] = { @@ -1755,7 +1784,7 @@ int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur,  		err = mthca_cmd_box(dev, 0, mailbox ? mailbox->dma : 0,  				    (!!is_ee << 24) | num, op_mod, -				    op[cur][next], CMD_TIME_CLASS_C, status); +				    op[cur][next], CMD_TIME_CLASS_C);  		if (0 && mailbox) {  			int i; @@ -1789,21 +1818,20 @@ int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur,  		}  		err = mthca_cmd(dev, mailbox->dma, optmask | (!!is_ee << 24) | num, -				op_mod, op[cur][next], CMD_TIME_CLASS_C, status); +				op_mod, op[cur][next], CMD_TIME_CLASS_C);  	}  	return err;  }  int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee, -		   struct mthca_mailbox *mailbox, u8 *status) +		   struct mthca_mailbox *mailbox)  {  	return mthca_cmd_box(dev, 0, mailbox->dma, (!!is_ee << 24) | num, 0, -			     CMD_QUERY_QPEE, CMD_TIME_CLASS_A, status); +			     CMD_QUERY_QPEE, CMD_TIME_CLASS_A);  } -int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn, -			  u8 *status) +int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn)  {  	u8 op_mod; @@ -1825,12 +1853,12 @@ int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn,  	}  	return mthca_cmd(dev, 0, qpn, op_mod, CMD_CONF_SPECIAL_QP, -			 CMD_TIME_CLASS_B, status); +			 CMD_TIME_CLASS_B);  }  int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,  		  int port, struct ib_wc *in_wc, struct ib_grh *in_grh, -		  void *in_mad, void *response_mad, u8 *status) +		  void *in_mad, void *response_mad)  {  	struct mthca_mailbox *inmailbox, *outmailbox;  	void *inbox; @@ -1897,9 +1925,9 @@ int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,  	err = mthca_cmd_box(dev, inmailbox->dma, outmailbox->dma,  			    in_modifier, op_modifier, -			    CMD_MAD_IFC, CMD_TIME_CLASS_C, status); +			    CMD_MAD_IFC, CMD_TIME_CLASS_C); -	if (!err && !*status) +	if (!err)  		memcpy(response_mad, outmailbox->buf, 256);  	mthca_free_mailbox(dev, inmailbox); @@ -1908,33 +1936,33 @@ int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,  }  int mthca_READ_MGM(struct mthca_dev *dev, int index, -		   struct mthca_mailbox *mailbox, u8 *status) +		   struct mthca_mailbox *mailbox)  {  	return mthca_cmd_box(dev, 0, mailbox->dma, index, 0, -			     CMD_READ_MGM, CMD_TIME_CLASS_A, status); +			     CMD_READ_MGM, CMD_TIME_CLASS_A);  }  int mthca_WRITE_MGM(struct mthca_dev *dev, int index, -		    struct mthca_mailbox *mailbox, u8 *status) +		    struct mthca_mailbox *mailbox)  {  	return mthca_cmd(dev, mailbox->dma, index, 0, CMD_WRITE_MGM, -			 CMD_TIME_CLASS_A, status); +			 CMD_TIME_CLASS_A);  }  int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    u16 *hash, u8 *status) +		    u16 *hash)  {  	u64 imm;  	int err;  	err = mthca_cmd_imm(dev, mailbox->dma, &imm, 0, 0, CMD_MGID_HASH, -			    CMD_TIME_CLASS_A, status); +			    CMD_TIME_CLASS_A);  	*hash = imm;  	return err;  } -int mthca_NOP(struct mthca_dev *dev, u8 *status) +int mthca_NOP(struct mthca_dev *dev)  { -	return mthca_cmd(dev, 0, 0x1f, 0, CMD_NOP, msecs_to_jiffies(100), status); +	return mthca_cmd(dev, 0, 0x1f, 0, CMD_NOP, msecs_to_jiffies(100));  } diff --git a/drivers/infiniband/hw/mthca/mthca_cmd.h b/drivers/infiniband/hw/mthca/mthca_cmd.h index 6efd3265f24..f952244c54d 100644 --- a/drivers/infiniband/hw/mthca/mthca_cmd.h +++ b/drivers/infiniband/hw/mthca/mthca_cmd.h @@ -252,79 +252,74 @@ struct mthca_mailbox *mthca_alloc_mailbox(struct mthca_dev *dev,  					  gfp_t gfp_mask);  void mthca_free_mailbox(struct mthca_dev *dev, struct mthca_mailbox *mailbox); -int mthca_SYS_EN(struct mthca_dev *dev, u8 *status); -int mthca_SYS_DIS(struct mthca_dev *dev, u8 *status); -int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status); -int mthca_UNMAP_FA(struct mthca_dev *dev, u8 *status); -int mthca_RUN_FW(struct mthca_dev *dev, u8 *status); -int mthca_QUERY_FW(struct mthca_dev *dev, u8 *status); -int mthca_ENABLE_LAM(struct mthca_dev *dev, u8 *status); -int mthca_DISABLE_LAM(struct mthca_dev *dev, u8 *status); -int mthca_QUERY_DDR(struct mthca_dev *dev, u8 *status); +int mthca_SYS_EN(struct mthca_dev *dev); +int mthca_SYS_DIS(struct mthca_dev *dev); +int mthca_MAP_FA(struct mthca_dev *dev, struct mthca_icm *icm); +int mthca_UNMAP_FA(struct mthca_dev *dev); +int mthca_RUN_FW(struct mthca_dev *dev); +int mthca_QUERY_FW(struct mthca_dev *dev); +int mthca_ENABLE_LAM(struct mthca_dev *dev); +int mthca_DISABLE_LAM(struct mthca_dev *dev); +int mthca_QUERY_DDR(struct mthca_dev *dev);  int mthca_QUERY_DEV_LIM(struct mthca_dev *dev, -			struct mthca_dev_lim *dev_lim, u8 *status); +			struct mthca_dev_lim *dev_lim);  int mthca_QUERY_ADAPTER(struct mthca_dev *dev, -			struct mthca_adapter *adapter, u8 *status); +			struct mthca_adapter *adapter);  int mthca_INIT_HCA(struct mthca_dev *dev, -		   struct mthca_init_hca_param *param, -		   u8 *status); +		   struct mthca_init_hca_param *param);  int mthca_INIT_IB(struct mthca_dev *dev,  		  struct mthca_init_ib_param *param, -		  int port, u8 *status); -int mthca_CLOSE_IB(struct mthca_dev *dev, int port, u8 *status); -int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic, u8 *status); +		  int port); +int mthca_CLOSE_IB(struct mthca_dev *dev, int port); +int mthca_CLOSE_HCA(struct mthca_dev *dev, int panic);  int mthca_SET_IB(struct mthca_dev *dev, struct mthca_set_ib_param *param, -		 int port, u8 *status); -int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt, u8 *status); -int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt, u8 *status); -int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count, u8 *status); -int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm, u8 *status); -int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev, u8 *status); -int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages, -		       u8 *status); +		 int port); +int mthca_MAP_ICM(struct mthca_dev *dev, struct mthca_icm *icm, u64 virt); +int mthca_MAP_ICM_page(struct mthca_dev *dev, u64 dma_addr, u64 virt); +int mthca_UNMAP_ICM(struct mthca_dev *dev, u64 virt, u32 page_count); +int mthca_MAP_ICM_AUX(struct mthca_dev *dev, struct mthca_icm *icm); +int mthca_UNMAP_ICM_AUX(struct mthca_dev *dev); +int mthca_SET_ICM_SIZE(struct mthca_dev *dev, u64 icm_size, u64 *aux_pages);  int mthca_SW2HW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int mpt_index, u8 *status); +		    int mpt_index);  int mthca_HW2SW_MPT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int mpt_index, u8 *status); +		    int mpt_index);  int mthca_WRITE_MTT(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int num_mtt, u8 *status); -int mthca_SYNC_TPT(struct mthca_dev *dev, u8 *status); +		    int num_mtt); +int mthca_SYNC_TPT(struct mthca_dev *dev);  int mthca_MAP_EQ(struct mthca_dev *dev, u64 event_mask, int unmap, -		 int eq_num, u8 *status); +		 int eq_num);  int mthca_SW2HW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		   int eq_num, u8 *status); +		   int eq_num);  int mthca_HW2SW_EQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		   int eq_num, u8 *status); +		   int eq_num);  int mthca_SW2HW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		   int cq_num, u8 *status); +		   int cq_num);  int mthca_HW2SW_CQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		   int cq_num, u8 *status); -int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size, -		    u8 *status); +		   int cq_num); +int mthca_RESIZE_CQ(struct mthca_dev *dev, int cq_num, u32 lkey, u8 log_size);  int mthca_SW2HW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int srq_num, u8 *status); +		    int srq_num);  int mthca_HW2SW_SRQ(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    int srq_num, u8 *status); +		    int srq_num);  int mthca_QUERY_SRQ(struct mthca_dev *dev, u32 num, -		    struct mthca_mailbox *mailbox, u8 *status); -int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit, u8 *status); +		    struct mthca_mailbox *mailbox); +int mthca_ARM_SRQ(struct mthca_dev *dev, int srq_num, int limit);  int mthca_MODIFY_QP(struct mthca_dev *dev, enum ib_qp_state cur,  		    enum ib_qp_state next, u32 num, int is_ee, -		    struct mthca_mailbox *mailbox, u32 optmask, -		    u8 *status); +		    struct mthca_mailbox *mailbox, u32 optmask);  int mthca_QUERY_QP(struct mthca_dev *dev, u32 num, int is_ee, -		   struct mthca_mailbox *mailbox, u8 *status); -int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn, -			  u8 *status); +		   struct mthca_mailbox *mailbox); +int mthca_CONF_SPECIAL_QP(struct mthca_dev *dev, int type, u32 qpn);  int mthca_MAD_IFC(struct mthca_dev *dev, int ignore_mkey, int ignore_bkey,  		  int port, struct ib_wc *in_wc, struct ib_grh *in_grh, -		  void *in_mad, void *response_mad, u8 *status); +		  void *in_mad, void *response_mad);  int mthca_READ_MGM(struct mthca_dev *dev, int index, -		   struct mthca_mailbox *mailbox, u8 *status); +		   struct mthca_mailbox *mailbox);  int mthca_WRITE_MGM(struct mthca_dev *dev, int index, -		    struct mthca_mailbox *mailbox, u8 *status); +		    struct mthca_mailbox *mailbox);  int mthca_MGID_HASH(struct mthca_dev *dev, struct mthca_mailbox *mailbox, -		    u16 *hash, u8 *status); -int mthca_NOP(struct mthca_dev *dev, u8 *status); +		    u16 *hash); +int mthca_NOP(struct mthca_dev *dev);  #endif /* MTHCA_CMD_H */ diff --git a/drivers/infiniband/hw/mthca/mthca_cq.c b/drivers/infiniband/hw/mthca/mthca_cq.c index 18ee3fa4b88..53157b86a1b 100644 --- a/drivers/infiniband/hw/mthca/mthca_cq.c +++ b/drivers/infiniband/hw/mthca/mthca_cq.c @@ -779,7 +779,6 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,  	struct mthca_mailbox *mailbox;  	struct mthca_cq_context *cq_context;  	int err = -ENOMEM; -	u8 status;  	cq->ibcq.cqe  = nent - 1;  	cq->is_kernel = !ctx; @@ -847,19 +846,12 @@ int mthca_init_cq(struct mthca_dev *dev, int nent,  		cq_context->state_db = cpu_to_be32(cq->arm_db_index);  	} -	err = mthca_SW2HW_CQ(dev, mailbox, cq->cqn, &status); +	err = mthca_SW2HW_CQ(dev, mailbox, cq->cqn);  	if (err) {  		mthca_warn(dev, "SW2HW_CQ failed (%d)\n", err);  		goto err_out_free_mr;  	} -	if (status) { -		mthca_warn(dev, "SW2HW_CQ returned status 0x%02x\n", -			   status); -		err = -EINVAL; -		goto err_out_free_mr; -	} -  	spin_lock_irq(&dev->cq_table.lock);  	if (mthca_array_set(&dev->cq_table.cq,  			    cq->cqn & (dev->limits.num_cqs - 1), @@ -915,7 +907,6 @@ void mthca_free_cq(struct mthca_dev *dev,  {  	struct mthca_mailbox *mailbox;  	int err; -	u8 status;  	mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);  	if (IS_ERR(mailbox)) { @@ -923,11 +914,9 @@ void mthca_free_cq(struct mthca_dev *dev,  		return;  	} -	err = mthca_HW2SW_CQ(dev, mailbox, cq->cqn, &status); +	err = mthca_HW2SW_CQ(dev, mailbox, cq->cqn);  	if (err)  		mthca_warn(dev, "HW2SW_CQ failed (%d)\n", err); -	else if (status) -		mthca_warn(dev, "HW2SW_CQ returned status 0x%02x\n", status);  	if (0) {  		__be32 *ctx = mailbox->buf; diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c index 76785c653c1..7c9d35f39d7 100644 --- a/drivers/infiniband/hw/mthca/mthca_eq.c +++ b/drivers/infiniband/hw/mthca/mthca_eq.c @@ -474,7 +474,6 @@ static int mthca_create_eq(struct mthca_dev *dev,  	struct mthca_eq_context *eq_context;  	int err = -ENOMEM;  	int i; -	u8 status;  	eq->dev  = dev;  	eq->nent = roundup_pow_of_two(max(nent, 2)); @@ -543,15 +542,9 @@ static int mthca_create_eq(struct mthca_dev *dev,  	eq_context->intr            = intr;  	eq_context->lkey            = cpu_to_be32(eq->mr.ibmr.lkey); -	err = mthca_SW2HW_EQ(dev, mailbox, eq->eqn, &status); +	err = mthca_SW2HW_EQ(dev, mailbox, eq->eqn);  	if (err) { -		mthca_warn(dev, "SW2HW_EQ failed (%d)\n", err); -		goto err_out_free_mr; -	} -	if (status) { -		mthca_warn(dev, "SW2HW_EQ returned status 0x%02x\n", -			   status); -		err = -EINVAL; +		mthca_warn(dev, "SW2HW_EQ returned %d\n", err);  		goto err_out_free_mr;  	} @@ -597,7 +590,6 @@ static void mthca_free_eq(struct mthca_dev *dev,  {  	struct mthca_mailbox *mailbox;  	int err; -	u8 status;  	int npages = (eq->nent * MTHCA_EQ_ENTRY_SIZE + PAGE_SIZE - 1) /  		PAGE_SIZE;  	int i; @@ -606,11 +598,9 @@ static void mthca_free_eq(struct mthca_dev *dev,  	if (IS_ERR(mailbox))  		return; -	err = mthca_HW2SW_EQ(dev, mailbox, eq->eqn, &status); +	err = mthca_HW2SW_EQ(dev, mailbox, eq->eqn);  	if (err) -		mthca_warn(dev, "HW2SW_EQ failed (%d)\n", err); -	if (status) -		mthca_warn(dev, "HW2SW_EQ returned status 0x%02x\n", status); +		mthca_warn(dev, "HW2SW_EQ returned %d\n", err);  	dev->eq_table.arm_mask &= ~eq->eqn_mask; @@ -738,7 +728,6 @@ static void mthca_unmap_eq_regs(struct mthca_dev *dev)  int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt)  {  	int ret; -	u8 status;  	/*  	 * We assume that mapping one page is enough for the whole EQ @@ -757,9 +746,7 @@ int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt)  		return -ENOMEM;  	} -	ret = mthca_MAP_ICM_page(dev, dev->eq_table.icm_dma, icm_virt, &status); -	if (!ret && status) -		ret = -EINVAL; +	ret = mthca_MAP_ICM_page(dev, dev->eq_table.icm_dma, icm_virt);  	if (ret) {  		pci_unmap_page(dev->pdev, dev->eq_table.icm_dma, PAGE_SIZE,  			       PCI_DMA_BIDIRECTIONAL); @@ -771,9 +758,7 @@ int mthca_map_eq_icm(struct mthca_dev *dev, u64 icm_virt)  void mthca_unmap_eq_icm(struct mthca_dev *dev)  { -	u8 status; - -	mthca_UNMAP_ICM(dev, dev->eq_table.icm_virt, 1, &status); +	mthca_UNMAP_ICM(dev, dev->eq_table.icm_virt, 1);  	pci_unmap_page(dev->pdev, dev->eq_table.icm_dma, PAGE_SIZE,  		       PCI_DMA_BIDIRECTIONAL);  	__free_page(dev->eq_table.icm_page); @@ -782,7 +767,6 @@ void mthca_unmap_eq_icm(struct mthca_dev *dev)  int mthca_init_eq_table(struct mthca_dev *dev)  {  	int err; -	u8 status;  	u8 intr;  	int i; @@ -864,22 +848,16 @@ int mthca_init_eq_table(struct mthca_dev *dev)  	}  	err = mthca_MAP_EQ(dev, async_mask(dev), -			   0, dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn, &status); +			   0, dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn);  	if (err)  		mthca_warn(dev, "MAP_EQ for async EQ %d failed (%d)\n",  			   dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn, err); -	if (status) -		mthca_warn(dev, "MAP_EQ for async EQ %d returned status 0x%02x\n", -			   dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn, status);  	err = mthca_MAP_EQ(dev, MTHCA_CMD_EVENT_MASK, -			   0, dev->eq_table.eq[MTHCA_EQ_CMD].eqn, &status); +			   0, dev->eq_table.eq[MTHCA_EQ_CMD].eqn);  	if (err)  		mthca_warn(dev, "MAP_EQ for cmd EQ %d failed (%d)\n",  			   dev->eq_table.eq[MTHCA_EQ_CMD].eqn, err); -	if (status) -		mthca_warn(dev, "MAP_EQ for cmd EQ %d returned status 0x%02x\n", -			   dev->eq_table.eq[MTHCA_EQ_CMD].eqn, status);  	for (i = 0; i < MTHCA_NUM_EQ; ++i)  		if (mthca_is_memfree(dev)) @@ -909,15 +887,14 @@ err_out_free:  void mthca_cleanup_eq_table(struct mthca_dev *dev)  { -	u8 status;  	int i;  	mthca_free_irqs(dev);  	mthca_MAP_EQ(dev, async_mask(dev), -		     1, dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn, &status); +		     1, dev->eq_table.eq[MTHCA_EQ_ASYNC].eqn);  	mthca_MAP_EQ(dev, MTHCA_CMD_EVENT_MASK, -		     1, dev->eq_table.eq[MTHCA_EQ_CMD].eqn, &status); +		     1, dev->eq_table.eq[MTHCA_EQ_CMD].eqn);  	for (i = 0; i < MTHCA_NUM_EQ; ++i)  		mthca_free_eq(dev, &dev->eq_table.eq[i]); diff --git a/drivers/infiniband/hw/mthca/mthca_mad.c b/drivers/infiniband/hw/mthca/mthca_mad.c index 03a59534f59..b6f7f457fc5 100644 --- a/drivers/infiniband/hw/mthca/mthca_mad.c +++ b/drivers/infiniband/hw/mthca/mthca_mad.c @@ -201,7 +201,6 @@ int mthca_process_mad(struct ib_device *ibdev,  		      struct ib_mad *out_mad)  {  	int err; -	u8 status;  	u16 slid = in_wc ? in_wc->slid : be16_to_cpu(IB_LID_PERMISSIVE);  	u16 prev_lid = 0;  	struct ib_port_attr pattr; @@ -252,17 +251,11 @@ int mthca_process_mad(struct ib_device *ibdev,  	err = mthca_MAD_IFC(to_mdev(ibdev),  			    mad_flags & IB_MAD_IGNORE_MKEY,  			    mad_flags & IB_MAD_IGNORE_BKEY, -			    port_num, in_wc, in_grh, in_mad, out_mad, -			    &status); -	if (err) { -		mthca_err(to_mdev(ibdev), "MAD_IFC failed\n"); -		return IB_MAD_RESULT_FAILURE; -	} -	if (status == MTHCA_CMD_STAT_BAD_PKT) +			    port_num, in_wc, in_grh, in_mad, out_mad); +	if (err == -EBADMSG)  		return IB_MAD_RESULT_SUCCESS; -	if (status) { -		mthca_err(to_mdev(ibdev), "MAD_IFC returned status %02x\n", -			  status); +	else if (err) { +		mthca_err(to_mdev(ibdev), "MAD_IFC returned %d\n", err);  		return IB_MAD_RESULT_FAILURE;  	} diff --git a/drivers/infiniband/hw/mthca/mthca_main.c b/drivers/infiniband/hw/mthca/mthca_main.c index f24b79b805f..f9834766e37 100644 --- a/drivers/infiniband/hw/mthca/mthca_main.c +++ b/drivers/infiniband/hw/mthca/mthca_main.c @@ -165,19 +165,14 @@ static int mthca_tune_pci(struct mthca_dev *mdev)  static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)  {  	int err; -	u8 status;  	mdev->limits.mtt_seg_size = (1 << log_mtts_per_seg) * 8; -	err = mthca_QUERY_DEV_LIM(mdev, dev_lim, &status); +	err = mthca_QUERY_DEV_LIM(mdev, dev_lim);  	if (err) { -		mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); +		mthca_err(mdev, "QUERY_DEV_LIM command returned %d" +				", aborting.\n", err);  		return err;  	} -	if (status) { -		mthca_err(mdev, "QUERY_DEV_LIM returned status 0x%02x, " -			  "aborting.\n", status); -		return -EINVAL; -	}  	if (dev_lim->min_page_sz > PAGE_SIZE) {  		mthca_err(mdev, "HCA minimum page size of %d bigger than "  			  "kernel PAGE_SIZE of %ld, aborting.\n", @@ -293,49 +288,32 @@ static int mthca_dev_lim(struct mthca_dev *mdev, struct mthca_dev_lim *dev_lim)  static int mthca_init_tavor(struct mthca_dev *mdev)  {  	s64 size; -	u8 status;  	int err;  	struct mthca_dev_lim        dev_lim;  	struct mthca_profile        profile;  	struct mthca_init_hca_param init_hca; -	err = mthca_SYS_EN(mdev, &status); +	err = mthca_SYS_EN(mdev);  	if (err) { -		mthca_err(mdev, "SYS_EN command failed, aborting.\n"); +		mthca_err(mdev, "SYS_EN command returned %d, aborting.\n", err);  		return err;  	} -	if (status) { -		mthca_err(mdev, "SYS_EN returned status 0x%02x, " -			  "aborting.\n", status); -		return -EINVAL; -	} -	err = mthca_QUERY_FW(mdev, &status); +	err = mthca_QUERY_FW(mdev);  	if (err) { -		mthca_err(mdev, "QUERY_FW command failed, aborting.\n"); -		goto err_disable; -	} -	if (status) { -		mthca_err(mdev, "QUERY_FW returned status 0x%02x, " -			  "aborting.\n", status); -		err = -EINVAL; +		mthca_err(mdev, "QUERY_FW command returned %d," +				" aborting.\n", err);  		goto err_disable;  	} -	err = mthca_QUERY_DDR(mdev, &status); +	err = mthca_QUERY_DDR(mdev);  	if (err) { -		mthca_err(mdev, "QUERY_DDR command failed, aborting.\n"); -		goto err_disable; -	} -	if (status) { -		mthca_err(mdev, "QUERY_DDR returned status 0x%02x, " -			  "aborting.\n", status); -		err = -EINVAL; +		mthca_err(mdev, "QUERY_DDR command returned %d, aborting.\n", err);  		goto err_disable;  	}  	err = mthca_dev_lim(mdev, &dev_lim);  	if (err) { -		mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); +		mthca_err(mdev, "QUERY_DEV_LIM command returned %d, aborting.\n", err);  		goto err_disable;  	} @@ -351,29 +329,22 @@ static int mthca_init_tavor(struct mthca_dev *mdev)  		goto err_disable;  	} -	err = mthca_INIT_HCA(mdev, &init_hca, &status); +	err = mthca_INIT_HCA(mdev, &init_hca);  	if (err) { -		mthca_err(mdev, "INIT_HCA command failed, aborting.\n"); -		goto err_disable; -	} -	if (status) { -		mthca_err(mdev, "INIT_HCA returned status 0x%02x, " -			  "aborting.\n", status); -		err = -EINVAL; +		mthca_err(mdev, "INIT_HCA command returned %d, aborting.\n", err);  		goto err_disable;  	}  	return 0;  err_disable: -	mthca_SYS_DIS(mdev, &status); +	mthca_SYS_DIS(mdev);  	return err;  }  static int mthca_load_fw(struct mthca_dev *mdev)  { -	u8 status;  	int err;  	/* FIXME: use HCA-attached memory for FW if present */ @@ -386,31 +357,21 @@ static int mthca_load_fw(struct mthca_dev *mdev)  		return -ENOMEM;  	} -	err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm, &status); +	err = mthca_MAP_FA(mdev, mdev->fw.arbel.fw_icm);  	if (err) { -		mthca_err(mdev, "MAP_FA command failed, aborting.\n"); -		goto err_free; -	} -	if (status) { -		mthca_err(mdev, "MAP_FA returned status 0x%02x, aborting.\n", status); -		err = -EINVAL; +		mthca_err(mdev, "MAP_FA command returned %d, aborting.\n", err);  		goto err_free;  	} -	err = mthca_RUN_FW(mdev, &status); +	err = mthca_RUN_FW(mdev);  	if (err) { -		mthca_err(mdev, "RUN_FW command failed, aborting.\n"); -		goto err_unmap_fa; -	} -	if (status) { -		mthca_err(mdev, "RUN_FW returned status 0x%02x, aborting.\n", status); -		err = -EINVAL; +		mthca_err(mdev, "RUN_FW command returned %d, aborting.\n", err);  		goto err_unmap_fa;  	}  	return 0;  err_unmap_fa: -	mthca_UNMAP_FA(mdev, &status); +	mthca_UNMAP_FA(mdev);  err_free:  	mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0); @@ -423,19 +384,13 @@ static int mthca_init_icm(struct mthca_dev *mdev,  			  u64 icm_size)  {  	u64 aux_pages; -	u8 status;  	int err; -	err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages, &status); +	err = mthca_SET_ICM_SIZE(mdev, icm_size, &aux_pages);  	if (err) { -		mthca_err(mdev, "SET_ICM_SIZE command failed, aborting.\n"); +		mthca_err(mdev, "SET_ICM_SIZE command returned %d, aborting.\n", err);  		return err;  	} -	if (status) { -		mthca_err(mdev, "SET_ICM_SIZE returned status 0x%02x, " -			  "aborting.\n", status); -		return -EINVAL; -	}  	mthca_dbg(mdev, "%lld KB of HCA context requires %lld KB aux memory.\n",  		  (unsigned long long) icm_size >> 10, @@ -448,14 +403,9 @@ static int mthca_init_icm(struct mthca_dev *mdev,  		return -ENOMEM;  	} -	err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm, &status); +	err = mthca_MAP_ICM_AUX(mdev, mdev->fw.arbel.aux_icm);  	if (err) { -		mthca_err(mdev, "MAP_ICM_AUX command failed, aborting.\n"); -		goto err_free_aux; -	} -	if (status) { -		mthca_err(mdev, "MAP_ICM_AUX returned status 0x%02x, aborting.\n", status); -		err = -EINVAL; +		mthca_err(mdev, "MAP_ICM_AUX returned %d, aborting.\n", err);  		goto err_free_aux;  	} @@ -596,7 +546,7 @@ err_unmap_eq:  	mthca_unmap_eq_icm(mdev);  err_unmap_aux: -	mthca_UNMAP_ICM_AUX(mdev, &status); +	mthca_UNMAP_ICM_AUX(mdev);  err_free_aux:  	mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0); @@ -606,7 +556,6 @@ err_free_aux:  static void mthca_free_icms(struct mthca_dev *mdev)  { -	u8 status;  	mthca_free_icm_table(mdev, mdev->mcg_table.table);  	if (mdev->mthca_flags & MTHCA_FLAG_SRQ) @@ -619,7 +568,7 @@ static void mthca_free_icms(struct mthca_dev *mdev)  	mthca_free_icm_table(mdev, mdev->mr_table.mtt_table);  	mthca_unmap_eq_icm(mdev); -	mthca_UNMAP_ICM_AUX(mdev, &status); +	mthca_UNMAP_ICM_AUX(mdev);  	mthca_free_icm(mdev, mdev->fw.arbel.aux_icm, 0);  } @@ -629,43 +578,32 @@ static int mthca_init_arbel(struct mthca_dev *mdev)  	struct mthca_profile        profile;  	struct mthca_init_hca_param init_hca;  	s64 icm_size; -	u8 status;  	int err; -	err = mthca_QUERY_FW(mdev, &status); +	err = mthca_QUERY_FW(mdev);  	if (err) { -		mthca_err(mdev, "QUERY_FW command failed, aborting.\n"); +		mthca_err(mdev, "QUERY_FW command failed %d, aborting.\n", err);  		return err;  	} -	if (status) { -		mthca_err(mdev, "QUERY_FW returned status 0x%02x, " -			  "aborting.\n", status); -		return -EINVAL; -	} -	err = mthca_ENABLE_LAM(mdev, &status); -	if (err) { -		mthca_err(mdev, "ENABLE_LAM command failed, aborting.\n"); -		return err; -	} -	if (status == MTHCA_CMD_STAT_LAM_NOT_PRE) { +	err = mthca_ENABLE_LAM(mdev); +	if (err == -EAGAIN) {  		mthca_dbg(mdev, "No HCA-attached memory (running in MemFree mode)\n");  		mdev->mthca_flags |= MTHCA_FLAG_NO_LAM; -	} else if (status) { -		mthca_err(mdev, "ENABLE_LAM returned status 0x%02x, " -			  "aborting.\n", status); -		return -EINVAL; +	} else if (err) { +		mthca_err(mdev, "ENABLE_LAM returned %d, aborting.\n", err); +		return err;  	}  	err = mthca_load_fw(mdev);  	if (err) { -		mthca_err(mdev, "Failed to start FW, aborting.\n"); +		mthca_err(mdev, "Loading FW returned %d, aborting.\n", err);  		goto err_disable;  	}  	err = mthca_dev_lim(mdev, &dev_lim);  	if (err) { -		mthca_err(mdev, "QUERY_DEV_LIM command failed, aborting.\n"); +		mthca_err(mdev, "QUERY_DEV_LIM returned %d, aborting.\n", err);  		goto err_stop_fw;  	} @@ -685,15 +623,9 @@ static int mthca_init_arbel(struct mthca_dev *mdev)  	if (err)  		goto err_stop_fw; -	err = mthca_INIT_HCA(mdev, &init_hca, &status); +	err = mthca_INIT_HCA(mdev, &init_hca);  	if (err) { -		mthca_err(mdev, "INIT_HCA command failed, aborting.\n"); -		goto err_free_icm; -	} -	if (status) { -		mthca_err(mdev, "INIT_HCA returned status 0x%02x, " -			  "aborting.\n", status); -		err = -EINVAL; +		mthca_err(mdev, "INIT_HCA command returned %d, aborting.\n", err);  		goto err_free_icm;  	} @@ -703,37 +635,34 @@ err_free_icm:  	mthca_free_icms(mdev);  err_stop_fw: -	mthca_UNMAP_FA(mdev, &status); +	mthca_UNMAP_FA(mdev);  	mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);  err_disable:  	if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) -		mthca_DISABLE_LAM(mdev, &status); +		mthca_DISABLE_LAM(mdev);  	return err;  }  static void mthca_close_hca(struct mthca_dev *mdev)  { -	u8 status; - -	mthca_CLOSE_HCA(mdev, 0, &status); +	mthca_CLOSE_HCA(mdev, 0);  	if (mthca_is_memfree(mdev)) {  		mthca_free_icms(mdev); -		mthca_UNMAP_FA(mdev, &status); +		mthca_UNMAP_FA(mdev);  		mthca_free_icm(mdev, mdev->fw.arbel.fw_icm, 0);  		if (!(mdev->mthca_flags & MTHCA_FLAG_NO_LAM)) -			mthca_DISABLE_LAM(mdev, &status); +			mthca_DISABLE_LAM(mdev);  	} else -		mthca_SYS_DIS(mdev, &status); +		mthca_SYS_DIS(mdev);  }  static int mthca_init_hca(struct mthca_dev *mdev)  { -	u8 status;  	int err;  	struct mthca_adapter adapter; @@ -745,15 +674,9 @@ static int mthca_init_hca(struct mthca_dev *mdev)  	if (err)  		return err; -	err = mthca_QUERY_ADAPTER(mdev, &adapter, &status); +	err = mthca_QUERY_ADAPTER(mdev, &adapter);  	if (err) { -		mthca_err(mdev, "QUERY_ADAPTER command failed, aborting.\n"); -		goto err_close; -	} -	if (status) { -		mthca_err(mdev, "QUERY_ADAPTER returned status 0x%02x, " -			  "aborting.\n", status); -		err = -EINVAL; +		mthca_err(mdev, "QUERY_ADAPTER command returned %d, aborting.\n", err);  		goto err_close;  	} @@ -772,7 +695,6 @@ err_close:  static int mthca_setup_hca(struct mthca_dev *dev)  {  	int err; -	u8 status;  	MTHCA_INIT_DOORBELL_LOCK(&dev->doorbell_lock); @@ -833,8 +755,8 @@ static int mthca_setup_hca(struct mthca_dev *dev)  		goto err_eq_table_free;  	} -	err = mthca_NOP(dev, &status); -	if (err || status) { +	err = mthca_NOP(dev); +	if (err) {  		if (dev->mthca_flags & MTHCA_FLAG_MSI_X) {  			mthca_warn(dev, "NOP command failed to generate interrupt "  				   "(IRQ %d).\n", @@ -1166,7 +1088,6 @@ err_disable_pdev:  static void __mthca_remove_one(struct pci_dev *pdev)  {  	struct mthca_dev *mdev = pci_get_drvdata(pdev); -	u8 status;  	int p;  	if (mdev) { @@ -1174,7 +1095,7 @@ static void __mthca_remove_one(struct pci_dev *pdev)  		mthca_unregister_device(mdev);  		for (p = 1; p <= mdev->limits.num_ports; ++p) -			mthca_CLOSE_IB(mdev, p, &status); +			mthca_CLOSE_IB(mdev, p);  		mthca_cleanup_mcg_table(mdev);  		mthca_cleanup_av_table(mdev); diff --git a/drivers/infiniband/hw/mthca/mthca_mcg.c b/drivers/infiniband/hw/mthca/mthca_mcg.c index 515790a606e..6304ae8f4a6 100644 --- a/drivers/infiniband/hw/mthca/mthca_mcg.c +++ b/drivers/infiniband/hw/mthca/mthca_mcg.c @@ -68,7 +68,6 @@ static int find_mgm(struct mthca_dev *dev,  	struct mthca_mgm *mgm = mgm_mailbox->buf;  	u8 *mgid;  	int err; -	u8 status;  	mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);  	if (IS_ERR(mailbox)) @@ -77,12 +76,9 @@ static int find_mgm(struct mthca_dev *dev,  	memcpy(mgid, gid, 16); -	err = mthca_MGID_HASH(dev, mailbox, hash, &status); -	if (err) -		goto out; -	if (status) { -		mthca_err(dev, "MGID_HASH returned status %02x\n", status); -		err = -EINVAL; +	err = mthca_MGID_HASH(dev, mailbox, hash); +	if (err) { +		mthca_err(dev, "MGID_HASH failed (%d)\n", err);  		goto out;  	} @@ -93,12 +89,9 @@ static int find_mgm(struct mthca_dev *dev,  	*prev  = -1;  	do { -		err = mthca_READ_MGM(dev, *index, mgm_mailbox, &status); -		if (err) -			goto out; -		if (status) { -			mthca_err(dev, "READ_MGM returned status %02x\n", status); -			err = -EINVAL; +		err = mthca_READ_MGM(dev, *index, mgm_mailbox); +		if (err) { +			mthca_err(dev, "READ_MGM failed (%d)\n", err);  			goto out;  		} @@ -134,7 +127,6 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)  	int link = 0;  	int i;  	int err; -	u8 status;  	mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);  	if (IS_ERR(mailbox)) @@ -160,12 +152,9 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)  			goto out;  		} -		err = mthca_READ_MGM(dev, index, mailbox, &status); -		if (err) -			goto out; -		if (status) { -			mthca_err(dev, "READ_MGM returned status %02x\n", status); -			err = -EINVAL; +		err = mthca_READ_MGM(dev, index, mailbox); +		if (err) { +			mthca_err(dev, "READ_MGM failed (%d)\n", err);  			goto out;  		}  		memset(mgm, 0, sizeof *mgm); @@ -189,11 +178,9 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)  		goto out;  	} -	err = mthca_WRITE_MGM(dev, index, mailbox, &status); -	if (err) -		goto out; -	if (status) { -		mthca_err(dev, "WRITE_MGM returned status %02x\n", status); +	err = mthca_WRITE_MGM(dev, index, mailbox); +	if (err) { +		mthca_err(dev, "WRITE_MGM failed %d\n", err);  		err = -EINVAL;  		goto out;  	} @@ -201,24 +188,17 @@ int mthca_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)  	if (!link)  		goto out; -	err = mthca_READ_MGM(dev, prev, mailbox, &status); -	if (err) -		goto out; -	if (status) { -		mthca_err(dev, "READ_MGM returned status %02x\n", status); -		err = -EINVAL; +	err = mthca_READ_MGM(dev, prev, mailbox); +	if (err) { +		mthca_err(dev, "READ_MGM failed %d\n", err);  		goto out;  	}  	mgm->next_gid_index = cpu_to_be32(index << 6); -	err = mthca_WRITE_MGM(dev, prev, mailbox, &status); +	err = mthca_WRITE_MGM(dev, prev, mailbox);  	if (err) -		goto out; -	if (status) { -		mthca_err(dev, "WRITE_MGM returned status %02x\n", status); -		err = -EINVAL; -	} +		mthca_err(dev, "WRITE_MGM returned %d\n", err);   out:  	if (err && link && index != -1) { @@ -240,7 +220,6 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)  	int prev, index;  	int i, loc;  	int err; -	u8 status;  	mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);  	if (IS_ERR(mailbox)) @@ -275,12 +254,9 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)  	mgm->qp[loc]   = mgm->qp[i - 1];  	mgm->qp[i - 1] = 0; -	err = mthca_WRITE_MGM(dev, index, mailbox, &status); -	if (err) -		goto out; -	if (status) { -		mthca_err(dev, "WRITE_MGM returned status %02x\n", status); -		err = -EINVAL; +	err = mthca_WRITE_MGM(dev, index, mailbox); +	if (err) { +		mthca_err(dev, "WRITE_MGM returned %d\n", err);  		goto out;  	} @@ -292,24 +268,17 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)  		int amgm_index_to_free = be32_to_cpu(mgm->next_gid_index) >> 6;  		if (amgm_index_to_free) {  			err = mthca_READ_MGM(dev, amgm_index_to_free, -					     mailbox, &status); -			if (err) -				goto out; -			if (status) { -				mthca_err(dev, "READ_MGM returned status %02x\n", -					  status); -				err = -EINVAL; +					     mailbox); +			if (err) { +				mthca_err(dev, "READ_MGM returned %d\n", err);  				goto out;  			}  		} else  			memset(mgm->gid, 0, 16); -		err = mthca_WRITE_MGM(dev, index, mailbox, &status); -		if (err) -			goto out; -		if (status) { -			mthca_err(dev, "WRITE_MGM returned status %02x\n", status); -			err = -EINVAL; +		err = mthca_WRITE_MGM(dev, index, mailbox); +		if (err) { +			mthca_err(dev, "WRITE_MGM returned %d\n", err);  			goto out;  		}  		if (amgm_index_to_free) { @@ -319,23 +288,17 @@ int mthca_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)  	} else {  		/* Remove entry from AMGM */  		int curr_next_index = be32_to_cpu(mgm->next_gid_index) >> 6; -		err = mthca_READ_MGM(dev, prev, mailbox, &status); -		if (err) -			goto out; -		if (status) { -			mthca_err(dev, "READ_MGM returned status %02x\n", status); -			err = -EINVAL; +		err = mthca_READ_MGM(dev, prev, mailbox); +		if (err) { +			mthca_err(dev, "READ_MGM returned %d\n", err);  			goto out;  		}  		mgm->next_gid_index = cpu_to_be32(curr_next_index << 6); -		err = mthca_WRITE_MGM(dev, prev, mailbox, &status); -		if (err) -			goto out; -		if (status) { -			mthca_err(dev, "WRITE_MGM returned status %02x\n", status); -			err = -EINVAL; +		err = mthca_WRITE_MGM(dev, prev, mailbox); +		if (err) { +			mthca_err(dev, "WRITE_MGM returned %d\n", err);  			goto out;  		}  		BUG_ON(index < dev->limits.num_mgms); diff --git a/drivers/infiniband/hw/mthca/mthca_memfree.c b/drivers/infiniband/hw/mthca/mthca_memfree.c index 8c2a83732b5..7d2e42dd692 100644 --- a/drivers/infiniband/hw/mthca/mthca_memfree.c +++ b/drivers/infiniband/hw/mthca/mthca_memfree.c @@ -223,7 +223,6 @@ int mthca_table_get(struct mthca_dev *dev, struct mthca_icm_table *table, int ob  {  	int i = (obj & (table->num_obj - 1)) * table->obj_size / MTHCA_TABLE_CHUNK_SIZE;  	int ret = 0; -	u8 status;  	mutex_lock(&table->mutex); @@ -240,8 +239,8 @@ int mthca_table_get(struct mthca_dev *dev, struct mthca_icm_table *table, int ob  		goto out;  	} -	if (mthca_MAP_ICM(dev, table->icm[i], table->virt + i * MTHCA_TABLE_CHUNK_SIZE, -			  &status) || status) { +	if (mthca_MAP_ICM(dev, table->icm[i], +			  table->virt + i * MTHCA_TABLE_CHUNK_SIZE)) {  		mthca_free_icm(dev, table->icm[i], table->coherent);  		table->icm[i] = NULL;  		ret = -ENOMEM; @@ -258,7 +257,6 @@ out:  void mthca_table_put(struct mthca_dev *dev, struct mthca_icm_table *table, int obj)  {  	int i; -	u8 status;  	if (!mthca_is_memfree(dev))  		return; @@ -269,8 +267,7 @@ void mthca_table_put(struct mthca_dev *dev, struct mthca_icm_table *table, int o  	if (--table->icm[i]->refcount == 0) {  		mthca_UNMAP_ICM(dev, table->virt + i * MTHCA_TABLE_CHUNK_SIZE, -				MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE, -				&status); +				MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE);  		mthca_free_icm(dev, table->icm[i], table->coherent);  		table->icm[i] = NULL;  	} @@ -366,7 +363,6 @@ struct mthca_icm_table *mthca_alloc_icm_table(struct mthca_dev *dev,  	int num_icm;  	unsigned chunk_size;  	int i; -	u8 status;  	obj_per_chunk = MTHCA_TABLE_CHUNK_SIZE / obj_size;  	num_icm = DIV_ROUND_UP(nobj, obj_per_chunk); @@ -396,8 +392,8 @@ struct mthca_icm_table *mthca_alloc_icm_table(struct mthca_dev *dev,  						__GFP_NOWARN, use_coherent);  		if (!table->icm[i])  			goto err; -		if (mthca_MAP_ICM(dev, table->icm[i], virt + i * MTHCA_TABLE_CHUNK_SIZE, -				  &status) || status) { +		if (mthca_MAP_ICM(dev, table->icm[i], +				  virt + i * MTHCA_TABLE_CHUNK_SIZE)) {  			mthca_free_icm(dev, table->icm[i], table->coherent);  			table->icm[i] = NULL;  			goto err; @@ -416,8 +412,7 @@ err:  	for (i = 0; i < num_icm; ++i)  		if (table->icm[i]) {  			mthca_UNMAP_ICM(dev, virt + i * MTHCA_TABLE_CHUNK_SIZE, -					MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE, -					&status); +					MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE);  			mthca_free_icm(dev, table->icm[i], table->coherent);  		} @@ -429,13 +424,12 @@ err:  void mthca_free_icm_table(struct mthca_dev *dev, struct mthca_icm_table *table)  {  	int i; -	u8 status;  	for (i = 0; i < table->num_icm; ++i)  		if (table->icm[i]) { -			mthca_UNMAP_ICM(dev, table->virt + i * MTHCA_TABLE_CHUNK_SIZE, -					MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE, -					&status); +			mthca_UNMAP_ICM(dev, +					table->virt + i * MTHCA_TABLE_CHUNK_SIZE, +					MTHCA_TABLE_CHUNK_SIZE / MTHCA_ICM_PAGE_SIZE);  			mthca_free_icm(dev, table->icm[i], table->coherent);  		} @@ -454,7 +448,6 @@ int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar,  {  	struct page *pages[1];  	int ret = 0; -	u8 status;  	int i;  	if (!mthca_is_memfree(dev)) @@ -494,9 +487,7 @@ int mthca_map_user_db(struct mthca_dev *dev, struct mthca_uar *uar,  	}  	ret = mthca_MAP_ICM_page(dev, sg_dma_address(&db_tab->page[i].mem), -				 mthca_uarc_virt(dev, uar, i), &status); -	if (!ret && status) -		ret = -EINVAL; +				 mthca_uarc_virt(dev, uar, i));  	if (ret) {  		pci_unmap_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE);  		put_page(sg_page(&db_tab->page[i].mem)); @@ -557,14 +548,13 @@ void mthca_cleanup_user_db_tab(struct mthca_dev *dev, struct mthca_uar *uar,  			       struct mthca_user_db_table *db_tab)  {  	int i; -	u8 status;  	if (!mthca_is_memfree(dev))  		return;  	for (i = 0; i < dev->uar_table.uarc_size / MTHCA_ICM_PAGE_SIZE; ++i) {  		if (db_tab->page[i].uvirt) { -			mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, uar, i), 1, &status); +			mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, uar, i), 1);  			pci_unmap_sg(dev->pdev, &db_tab->page[i].mem, 1, PCI_DMA_TODEVICE);  			put_page(sg_page(&db_tab->page[i].mem));  		} @@ -581,7 +571,6 @@ int mthca_alloc_db(struct mthca_dev *dev, enum mthca_db_type type,  	int i, j;  	struct mthca_db_page *page;  	int ret = 0; -	u8 status;  	mutex_lock(&dev->db_tab->mutex); @@ -644,9 +633,7 @@ alloc:  	memset(page->db_rec, 0, MTHCA_ICM_PAGE_SIZE);  	ret = mthca_MAP_ICM_page(dev, page->mapping, -				 mthca_uarc_virt(dev, &dev->driver_uar, i), &status); -	if (!ret && status) -		ret = -EINVAL; +				 mthca_uarc_virt(dev, &dev->driver_uar, i));  	if (ret) {  		dma_free_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE,  				  page->db_rec, page->mapping); @@ -678,7 +665,6 @@ void mthca_free_db(struct mthca_dev *dev, int type, int db_index)  {  	int i, j;  	struct mthca_db_page *page; -	u8 status;  	i = db_index / MTHCA_DB_REC_PER_PAGE;  	j = db_index % MTHCA_DB_REC_PER_PAGE; @@ -694,7 +680,7 @@ void mthca_free_db(struct mthca_dev *dev, int type, int db_index)  	if (bitmap_empty(page->used, MTHCA_DB_REC_PER_PAGE) &&  	    i >= dev->db_tab->max_group1 - 1) { -		mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, &dev->driver_uar, i), 1, &status); +		mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, &dev->driver_uar, i), 1);  		dma_free_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE,  				  page->db_rec, page->mapping); @@ -745,7 +731,6 @@ int mthca_init_db_tab(struct mthca_dev *dev)  void mthca_cleanup_db_tab(struct mthca_dev *dev)  {  	int i; -	u8 status;  	if (!mthca_is_memfree(dev))  		return; @@ -763,7 +748,7 @@ void mthca_cleanup_db_tab(struct mthca_dev *dev)  		if (!bitmap_empty(dev->db_tab->page[i].used, MTHCA_DB_REC_PER_PAGE))  			mthca_warn(dev, "Kernel UARC page %d not empty\n", i); -		mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, &dev->driver_uar, i), 1, &status); +		mthca_UNMAP_ICM(dev, mthca_uarc_virt(dev, &dev->driver_uar, i), 1);  		dma_free_coherent(&dev->pdev->dev, MTHCA_ICM_PAGE_SIZE,  				  dev->db_tab->page[i].db_rec, diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c index 44045c8846d..ab876f928a1 100644 --- a/drivers/infiniband/hw/mthca/mthca_mr.c +++ b/drivers/infiniband/hw/mthca/mthca_mr.c @@ -257,7 +257,6 @@ static int __mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,  	struct mthca_mailbox *mailbox;  	__be64 *mtt_entry;  	int err = 0; -	u8 status;  	int i;  	mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); @@ -281,17 +280,11 @@ static int __mthca_write_mtt(struct mthca_dev *dev, struct mthca_mtt *mtt,  		if (i & 1)  			mtt_entry[i + 2] = 0; -		err = mthca_WRITE_MTT(dev, mailbox, (i + 1) & ~1, &status); +		err = mthca_WRITE_MTT(dev, mailbox, (i + 1) & ~1);  		if (err) {  			mthca_warn(dev, "WRITE_MTT failed (%d)\n", err);  			goto out;  		} -		if (status) { -			mthca_warn(dev, "WRITE_MTT returned status 0x%02x\n", -				   status); -			err = -EINVAL; -			goto out; -		}  		list_len    -= i;  		start_index += i; @@ -441,7 +434,6 @@ int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,  	u32 key;  	int i;  	int err; -	u8 status;  	WARN_ON(buffer_size_shift >= 32); @@ -497,16 +489,10 @@ int mthca_mr_alloc(struct mthca_dev *dev, u32 pd, int buffer_size_shift,  	}  	err = mthca_SW2HW_MPT(dev, mailbox, -			      key & (dev->limits.num_mpts - 1), -			      &status); +			      key & (dev->limits.num_mpts - 1));  	if (err) {  		mthca_warn(dev, "SW2HW_MPT failed (%d)\n", err);  		goto err_out_mailbox; -	} else if (status) { -		mthca_warn(dev, "SW2HW_MPT returned status 0x%02x\n", -			   status); -		err = -EINVAL; -		goto err_out_mailbox;  	}  	mthca_free_mailbox(dev, mailbox); @@ -567,17 +553,12 @@ static void mthca_free_region(struct mthca_dev *dev, u32 lkey)  void mthca_free_mr(struct mthca_dev *dev, struct mthca_mr *mr)  {  	int err; -	u8 status;  	err = mthca_HW2SW_MPT(dev, NULL,  			      key_to_hw_index(dev, mr->ibmr.lkey) & -			      (dev->limits.num_mpts - 1), -			      &status); +			      (dev->limits.num_mpts - 1));  	if (err)  		mthca_warn(dev, "HW2SW_MPT failed (%d)\n", err); -	else if (status) -		mthca_warn(dev, "HW2SW_MPT returned status 0x%02x\n", -			   status);  	mthca_free_region(dev, mr->ibmr.lkey);  	mthca_free_mtt(dev, mr->mtt); @@ -590,7 +571,6 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,  	struct mthca_mailbox *mailbox;  	u64 mtt_seg;  	u32 key, idx; -	u8 status;  	int list_len = mr->attr.max_pages;  	int err = -ENOMEM;  	int i; @@ -672,18 +652,11 @@ int mthca_fmr_alloc(struct mthca_dev *dev, u32 pd,  	}  	err = mthca_SW2HW_MPT(dev, mailbox, -			      key & (dev->limits.num_mpts - 1), -			      &status); +			      key & (dev->limits.num_mpts - 1));  	if (err) {  		mthca_warn(dev, "SW2HW_MPT failed (%d)\n", err);  		goto err_out_mailbox_free;  	} -	if (status) { -		mthca_warn(dev, "SW2HW_MPT returned status 0x%02x\n", -			   status); -		err = -EINVAL; -		goto err_out_mailbox_free; -	}  	mthca_free_mailbox(dev, mailbox);  	return 0; diff --git a/drivers/infiniband/hw/mthca/mthca_provider.c b/drivers/infiniband/hw/mthca/mthca_provider.c index 1e0b4b6074a..365fe0e1419 100644 --- a/drivers/infiniband/hw/mthca/mthca_provider.c +++ b/drivers/infiniband/hw/mthca/mthca_provider.c @@ -63,8 +63,6 @@ static int mthca_query_device(struct ib_device *ibdev,  	int err = -ENOMEM;  	struct mthca_dev *mdev = to_mdev(ibdev); -	u8 status; -  	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);  	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);  	if (!in_mad || !out_mad) @@ -78,14 +76,9 @@ static int mthca_query_device(struct ib_device *ibdev,  	in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;  	err = mthca_MAD_IFC(mdev, 1, 1, -			    1, NULL, NULL, in_mad, out_mad, -			    &status); +			    1, NULL, NULL, in_mad, out_mad);  	if (err)  		goto out; -	if (status) { -		err = -EINVAL; -		goto out; -	}  	props->device_cap_flags    = mdev->device_cap_flags;  	props->vendor_id           = be32_to_cpup((__be32 *) (out_mad->data + 36)) & @@ -141,7 +134,6 @@ static int mthca_query_port(struct ib_device *ibdev,  	struct ib_smp *in_mad  = NULL;  	struct ib_smp *out_mad = NULL;  	int err = -ENOMEM; -	u8 status;  	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);  	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); @@ -155,14 +147,9 @@ static int mthca_query_port(struct ib_device *ibdev,  	in_mad->attr_mod = cpu_to_be32(port);  	err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1, -			    port, NULL, NULL, in_mad, out_mad, -			    &status); +			    port, NULL, NULL, in_mad, out_mad);  	if (err)  		goto out; -	if (status) { -		err = -EINVAL; -		goto out; -	}  	props->lid               = be16_to_cpup((__be16 *) (out_mad->data + 16));  	props->lmc               = out_mad->data[34] & 0x7; @@ -214,7 +201,6 @@ static int mthca_modify_port(struct ib_device *ibdev,  	struct mthca_set_ib_param set_ib;  	struct ib_port_attr attr;  	int err; -	u8 status;  	if (mutex_lock_interruptible(&to_mdev(ibdev)->cap_mask_mutex))  		return -ERESTARTSYS; @@ -229,14 +215,9 @@ static int mthca_modify_port(struct ib_device *ibdev,  	set_ib.cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &  		~props->clr_port_cap_mask; -	err = mthca_SET_IB(to_mdev(ibdev), &set_ib, port, &status); +	err = mthca_SET_IB(to_mdev(ibdev), &set_ib, port);  	if (err)  		goto out; -	if (status) { -		err = -EINVAL; -		goto out; -	} -  out:  	mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex);  	return err; @@ -248,7 +229,6 @@ static int mthca_query_pkey(struct ib_device *ibdev,  	struct ib_smp *in_mad  = NULL;  	struct ib_smp *out_mad = NULL;  	int err = -ENOMEM; -	u8 status;  	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);  	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); @@ -260,14 +240,9 @@ static int mthca_query_pkey(struct ib_device *ibdev,  	in_mad->attr_mod = cpu_to_be32(index / 32);  	err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1, -			    port, NULL, NULL, in_mad, out_mad, -			    &status); +			    port, NULL, NULL, in_mad, out_mad);  	if (err)  		goto out; -	if (status) { -		err = -EINVAL; -		goto out; -	}  	*pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]); @@ -283,7 +258,6 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,  	struct ib_smp *in_mad  = NULL;  	struct ib_smp *out_mad = NULL;  	int err = -ENOMEM; -	u8 status;  	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);  	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); @@ -295,14 +269,9 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,  	in_mad->attr_mod = cpu_to_be32(port);  	err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1, -			    port, NULL, NULL, in_mad, out_mad, -			    &status); +			    port, NULL, NULL, in_mad, out_mad);  	if (err)  		goto out; -	if (status) { -		err = -EINVAL; -		goto out; -	}  	memcpy(gid->raw, out_mad->data + 8, 8); @@ -311,14 +280,9 @@ static int mthca_query_gid(struct ib_device *ibdev, u8 port,  	in_mad->attr_mod = cpu_to_be32(index / 8);  	err = mthca_MAD_IFC(to_mdev(ibdev), 1, 1, -			    port, NULL, NULL, in_mad, out_mad, -			    &status); +			    port, NULL, NULL, in_mad, out_mad);  	if (err)  		goto out; -	if (status) { -		err = -EINVAL; -		goto out; -	}  	memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); @@ -800,7 +764,6 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda  	struct mthca_cq *cq = to_mcq(ibcq);  	struct mthca_resize_cq ucmd;  	u32 lkey; -	u8 status;  	int ret;  	if (entries < 1 || entries > dev->limits.max_cqes) @@ -827,9 +790,7 @@ static int mthca_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *uda  		lkey = ucmd.lkey;  	} -	ret = mthca_RESIZE_CQ(dev, cq->cqn, lkey, ilog2(entries), &status); -	if (status) -		ret = -EINVAL; +	ret = mthca_RESIZE_CQ(dev, cq->cqn, lkey, ilog2(entries));  	if (ret) {  		if (cq->resize_buf) { @@ -1161,7 +1122,6 @@ static int mthca_unmap_fmr(struct list_head *fmr_list)  {  	struct ib_fmr *fmr;  	int err; -	u8 status;  	struct mthca_dev *mdev = NULL;  	list_for_each_entry(fmr, fmr_list, list) { @@ -1182,12 +1142,8 @@ static int mthca_unmap_fmr(struct list_head *fmr_list)  		list_for_each_entry(fmr, fmr_list, list)  			mthca_tavor_fmr_unmap(mdev, to_mfmr(fmr)); -	err = mthca_SYNC_TPT(mdev, &status); -	if (err) -		return err; -	if (status) -		return -EINVAL; -	return 0; +	err = mthca_SYNC_TPT(mdev); +	return err;  }  static ssize_t show_rev(struct device *device, struct device_attribute *attr, @@ -1253,7 +1209,6 @@ static int mthca_init_node_data(struct mthca_dev *dev)  	struct ib_smp *in_mad  = NULL;  	struct ib_smp *out_mad = NULL;  	int err = -ENOMEM; -	u8 status;  	in_mad  = kzalloc(sizeof *in_mad, GFP_KERNEL);  	out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); @@ -1264,28 +1219,18 @@ static int mthca_init_node_data(struct mthca_dev *dev)  	in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;  	err = mthca_MAD_IFC(dev, 1, 1, -			    1, NULL, NULL, in_mad, out_mad, -			    &status); +			    1, NULL, NULL, in_mad, out_mad);  	if (err)  		goto out; -	if (status) { -		err = -EINVAL; -		goto out; -	}  	memcpy(dev->ib_dev.node_desc, out_mad->data, 64);  	in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;  	err = mthca_MAD_IFC(dev, 1, 1, -			    1, NULL, NULL, in_mad, out_mad, -			    &status); +			    1, NULL, NULL, in_mad, out_mad);  	if (err)  		goto out; -	if (status) { -		err = -EINVAL; -		goto out; -	}  	if (mthca_is_memfree(dev))  		dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32)); diff --git a/drivers/infiniband/hw/mthca/mthca_qp.c b/drivers/infiniband/hw/mthca/mthca_qp.c index a34c9d38e82..9601049e14d 100644 --- a/drivers/infiniband/hw/mthca/mthca_qp.c +++ b/drivers/infiniband/hw/mthca/mthca_qp.c @@ -308,7 +308,6 @@ static void store_attrs(struct mthca_sqp *sqp, const struct ib_qp_attr *attr,  static void init_port(struct mthca_dev *dev, int port)  {  	int err; -	u8 status;  	struct mthca_init_ib_param param;  	memset(¶m, 0, sizeof param); @@ -319,11 +318,9 @@ static void init_port(struct mthca_dev *dev, int port)  	param.gid_cap    = dev->limits.gid_table_len;  	param.pkey_cap   = dev->limits.pkey_table_len; -	err = mthca_INIT_IB(dev, ¶m, port, &status); +	err = mthca_INIT_IB(dev, ¶m, port);  	if (err)  		mthca_warn(dev, "INIT_IB failed, return code %d.\n", err); -	if (status) -		mthca_warn(dev, "INIT_IB returned status %02x.\n", status);  }  static __be32 get_hw_access_flags(struct mthca_qp *qp, const struct ib_qp_attr *attr, @@ -433,7 +430,6 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m  	struct mthca_qp_param *qp_param;  	struct mthca_qp_context *context;  	int mthca_state; -	u8 status;  	mutex_lock(&qp->mutex); @@ -448,12 +444,9 @@ int mthca_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_m  		goto out;  	} -	err = mthca_QUERY_QP(dev, qp->qpn, 0, mailbox, &status); -	if (err) -		goto out_mailbox; -	if (status) { -		mthca_warn(dev, "QUERY_QP returned status %02x\n", status); -		err = -EINVAL; +	err = mthca_QUERY_QP(dev, qp->qpn, 0, mailbox); +	if (err) { +		mthca_warn(dev, "QUERY_QP failed (%d)\n", err);  		goto out_mailbox;  	} @@ -555,7 +548,6 @@ static int __mthca_modify_qp(struct ib_qp *ibqp,  	struct mthca_qp_param *qp_param;  	struct mthca_qp_context *qp_context;  	u32 sqd_event = 0; -	u8 status;  	int err = -EINVAL;  	mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL); @@ -781,13 +773,10 @@ static int __mthca_modify_qp(struct ib_qp *ibqp,  		sqd_event = 1 << 31;  	err = mthca_MODIFY_QP(dev, cur_state, new_state, qp->qpn, 0, -			      mailbox, sqd_event, &status); -	if (err) -		goto out_mailbox; -	if (status) { -		mthca_warn(dev, "modify QP %d->%d returned status %02x.\n", -			   cur_state, new_state, status); -		err = -EINVAL; +			      mailbox, sqd_event); +	if (err) { +		mthca_warn(dev, "modify QP %d->%d returned %d.\n", +			   cur_state, new_state, err);  		goto out_mailbox;  	} @@ -817,7 +806,7 @@ static int __mthca_modify_qp(struct ib_qp *ibqp,  		    cur_state != IB_QPS_ERR &&  		    (new_state == IB_QPS_RESET ||  		     new_state == IB_QPS_ERR)) -			mthca_CLOSE_IB(dev, qp->port, &status); +			mthca_CLOSE_IB(dev, qp->port);  	}  	/* @@ -1429,7 +1418,6 @@ static inline int get_qp_refcount(struct mthca_dev *dev, struct mthca_qp *qp)  void mthca_free_qp(struct mthca_dev *dev,  		   struct mthca_qp *qp)  { -	u8 status;  	struct mthca_cq *send_cq;  	struct mthca_cq *recv_cq; @@ -1454,7 +1442,7 @@ void mthca_free_qp(struct mthca_dev *dev,  	if (qp->state != IB_QPS_RESET)  		mthca_MODIFY_QP(dev, qp->state, IB_QPS_RESET, qp->qpn, 0, -				NULL, 0, &status); +				NULL, 0);  	/*  	 * If this is a userspace QP, the buffers, MR, CQs and so on @@ -2263,7 +2251,6 @@ void mthca_free_err_wqe(struct mthca_dev *dev, struct mthca_qp *qp, int is_send,  int mthca_init_qp_table(struct mthca_dev *dev)  {  	int err; -	u8 status;  	int i;  	spin_lock_init(&dev->qp_table.lock); @@ -2290,15 +2277,10 @@ int mthca_init_qp_table(struct mthca_dev *dev)  	for (i = 0; i < 2; ++i) {  		err = mthca_CONF_SPECIAL_QP(dev, i ? IB_QPT_GSI : IB_QPT_SMI, -					    dev->qp_table.sqp_start + i * 2, -					    &status); -		if (err) -			goto err_out; -		if (status) { +				    dev->qp_table.sqp_start + i * 2); +		if (err) {  			mthca_warn(dev, "CONF_SPECIAL_QP returned " -				   "status %02x, aborting.\n", -				   status); -			err = -EINVAL; +				   "%d, aborting.\n", err);  			goto err_out;  		}  	} @@ -2306,7 +2288,7 @@ int mthca_init_qp_table(struct mthca_dev *dev)   err_out:  	for (i = 0; i < 2; ++i) -		mthca_CONF_SPECIAL_QP(dev, i, 0, &status); +		mthca_CONF_SPECIAL_QP(dev, i, 0);  	mthca_array_cleanup(&dev->qp_table.qp, dev->limits.num_qps);  	mthca_alloc_cleanup(&dev->qp_table.alloc); @@ -2317,10 +2299,9 @@ int mthca_init_qp_table(struct mthca_dev *dev)  void mthca_cleanup_qp_table(struct mthca_dev *dev)  {  	int i; -	u8 status;  	for (i = 0; i < 2; ++i) -		mthca_CONF_SPECIAL_QP(dev, i, 0, &status); +		mthca_CONF_SPECIAL_QP(dev, i, 0);  	mthca_array_cleanup(&dev->qp_table.qp, dev->limits.num_qps);  	mthca_alloc_cleanup(&dev->qp_table.alloc); diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index 4fabe62aab8..d22f970480c 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -200,7 +200,6 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,  		    struct ib_srq_attr *attr, struct mthca_srq *srq)  {  	struct mthca_mailbox *mailbox; -	u8 status;  	int ds;  	int err; @@ -266,18 +265,12 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,  	else  		mthca_tavor_init_srq_context(dev, pd, srq, mailbox->buf); -	err = mthca_SW2HW_SRQ(dev, mailbox, srq->srqn, &status); +	err = mthca_SW2HW_SRQ(dev, mailbox, srq->srqn);  	if (err) {  		mthca_warn(dev, "SW2HW_SRQ failed (%d)\n", err);  		goto err_out_free_buf;  	} -	if (status) { -		mthca_warn(dev, "SW2HW_SRQ returned status 0x%02x\n", -			   status); -		err = -EINVAL; -		goto err_out_free_buf; -	}  	spin_lock_irq(&dev->srq_table.lock);  	if (mthca_array_set(&dev->srq_table.srq, @@ -299,11 +292,9 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd,  	return 0;  err_out_free_srq: -	err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn, &status); +	err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn);  	if (err)  		mthca_warn(dev, "HW2SW_SRQ failed (%d)\n", err); -	else if (status) -		mthca_warn(dev, "HW2SW_SRQ returned status 0x%02x\n", status);  err_out_free_buf:  	if (!pd->ibpd.uobject) @@ -340,7 +331,6 @@ void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq)  {  	struct mthca_mailbox *mailbox;  	int err; -	u8 status;  	mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);  	if (IS_ERR(mailbox)) { @@ -348,11 +338,9 @@ void mthca_free_srq(struct mthca_dev *dev, struct mthca_srq *srq)  		return;  	} -	err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn, &status); +	err = mthca_HW2SW_SRQ(dev, mailbox, srq->srqn);  	if (err)  		mthca_warn(dev, "HW2SW_SRQ failed (%d)\n", err); -	else if (status) -		mthca_warn(dev, "HW2SW_SRQ returned status 0x%02x\n", status);  	spin_lock_irq(&dev->srq_table.lock);  	mthca_array_clear(&dev->srq_table.srq, @@ -378,8 +366,7 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,  {  	struct mthca_dev *dev = to_mdev(ibsrq->device);  	struct mthca_srq *srq = to_msrq(ibsrq); -	int ret; -	u8 status; +	int ret = 0;  	/* We don't support resizing SRQs (yet?) */  	if (attr_mask & IB_SRQ_MAX_WR) @@ -391,16 +378,11 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,  			return -EINVAL;  		mutex_lock(&srq->mutex); -		ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit, &status); +		ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit);  		mutex_unlock(&srq->mutex); - -		if (ret) -			return ret; -		if (status) -			return -EINVAL;  	} -	return 0; +	return ret;  }  int mthca_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr) @@ -410,14 +392,13 @@ int mthca_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)  	struct mthca_mailbox *mailbox;  	struct mthca_arbel_srq_context *arbel_ctx;  	struct mthca_tavor_srq_context *tavor_ctx; -	u8 status;  	int err;  	mailbox = mthca_alloc_mailbox(dev, GFP_KERNEL);  	if (IS_ERR(mailbox))  		return PTR_ERR(mailbox); -	err = mthca_QUERY_SRQ(dev, srq->srqn, mailbox, &status); +	err = mthca_QUERY_SRQ(dev, srq->srqn, mailbox);  	if (err)  		goto out;  |