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Differential D31621 Diff 96398 sys/dev/ixgbe/ixgbe_mbx.c

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sys/dev/ixgbe/ixgbe_mbx.c

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******************************************************************************/ ******************************************************************************/
/*$FreeBSD$*/ /*$FreeBSD$*/
#include "ixgbe_type.h" #include "ixgbe_type.h"
#include "ixgbe_mbx.h" #include "ixgbe_mbx.h"
/** /**
* ixgbe_read_mbx - Reads a message from the mailbox
* @hw: pointer to the HW structure
* @msg: The message buffer
* @size: Length of buffer
* @mbx_id: id of mailbox to read
*
* returns SUCCESS if it successfully read message from buffer
**/
s32 ixgbe_read_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
s32 ret_val = IXGBE_ERR_MBX;
DEBUGFUNC("ixgbe_read_mbx");
/* limit read to size of mailbox */
if (size > mbx->size)
size = mbx->size;
if (mbx->ops.read)
ret_val = mbx->ops.read(hw, msg, size, mbx_id);
return ret_val;
}
/**
* ixgbe_write_mbx - Write a message to the mailbox
* @hw: pointer to the HW structure
* @msg: The message buffer
* @size: Length of buffer
* @mbx_id: id of mailbox to write
*
* returns SUCCESS if it successfully copied message into the buffer
**/
s32 ixgbe_write_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, u16 mbx_id)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
s32 ret_val = IXGBE_SUCCESS;
DEBUGFUNC("ixgbe_write_mbx");
if (size > mbx->size) {
ret_val = IXGBE_ERR_MBX;
ERROR_REPORT2(IXGBE_ERROR_ARGUMENT,
"Invalid mailbox message size %d", size);
} else if (mbx->ops.write)
ret_val = mbx->ops.write(hw, msg, size, mbx_id);
return ret_val;
}
/**
* ixgbe_check_for_msg - checks to see if someone sent us mail
* @hw: pointer to the HW structure
* @mbx_id: id of mailbox to check
*
* returns SUCCESS if the Status bit was found or else ERR_MBX
**/
s32 ixgbe_check_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
s32 ret_val = IXGBE_ERR_MBX;
DEBUGFUNC("ixgbe_check_for_msg");
if (mbx->ops.check_for_msg)
ret_val = mbx->ops.check_for_msg(hw, mbx_id);
return ret_val;
}
/**
* ixgbe_check_for_ack - checks to see if someone sent us ACK
* @hw: pointer to the HW structure
* @mbx_id: id of mailbox to check
*
* returns SUCCESS if the Status bit was found or else ERR_MBX
**/
s32 ixgbe_check_for_ack(struct ixgbe_hw *hw, u16 mbx_id)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
s32 ret_val = IXGBE_ERR_MBX;
DEBUGFUNC("ixgbe_check_for_ack");
if (mbx->ops.check_for_ack)
ret_val = mbx->ops.check_for_ack(hw, mbx_id);
return ret_val;
}
/**
* ixgbe_check_for_rst - checks to see if other side has reset
* @hw: pointer to the HW structure
* @mbx_id: id of mailbox to check
*
* returns SUCCESS if the Status bit was found or else ERR_MBX
**/
s32 ixgbe_check_for_rst(struct ixgbe_hw *hw, u16 mbx_id)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
s32 ret_val = IXGBE_ERR_MBX;
DEBUGFUNC("ixgbe_check_for_rst");
if (mbx->ops.check_for_rst)
ret_val = mbx->ops.check_for_rst(hw, mbx_id);
return ret_val;
}
/**
* ixgbe_poll_for_msg - Wait for message notification * ixgbe_poll_for_msg - Wait for message notification
* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* @mbx_id: id of mailbox to write * @mbx_id: id of mailbox to write
erjUnsubmitted
Not Done
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Did we remove support for the VF driver in the move to iflib, and just never brought it back...?

erj: Did we remove support for the VF driver in the move to iflib, and just never brought it back...?
kbowlingAuthorUnsubmitted
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IIRC the bulk of the driver was ported in 2014, I suspect what happened is the OOT driver gained new functions and they were not reintegrated. I will sweep through the OOT driver in the future.

kbowling: IIRC the bulk of the driver was ported in 2014, I suspect what happened is the OOT driver…
* *
* returns SUCCESS if it successfully received a message notification * returns SUCCESS if it successfully received a message notification
**/ **/
static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id) static s32 ixgbe_poll_for_msg(struct ixgbe_hw *hw, u16 mbx_id)
{ {
struct ixgbe_mbx_info *mbx = &hw->mbx; struct ixgbe_mbx_info *mbx = &hw->mbx;
int countdown = mbx->timeout; int countdown = mbx->timeout;
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* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* @msg: The message buffer * @msg: The message buffer
* @size: Length of buffer * @size: Length of buffer
* @mbx_id: id of mailbox to write * @mbx_id: id of mailbox to write
* *
* returns SUCCESS if it successfully received a message notification and * returns SUCCESS if it successfully received a message notification and
* copied it into the receive buffer. * copied it into the receive buffer.
**/ **/
static s32 ixgbe_read_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, s32 ixgbe_read_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size,
u16 mbx_id) u16 mbx_id)
{ {
struct ixgbe_mbx_info *mbx = &hw->mbx; struct ixgbe_mbx_info *mbx = &hw->mbx;
s32 ret_val = IXGBE_ERR_MBX; s32 ret_val = IXGBE_ERR_MBX;
DEBUGFUNC("ixgbe_read_posted_mbx"); DEBUGFUNC("ixgbe_read_posted_mbx");
if (!mbx->ops.read) if (!mbx->ops.read)
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* @hw: pointer to the HW structure * @hw: pointer to the HW structure
* @msg: The message buffer * @msg: The message buffer
* @size: Length of buffer * @size: Length of buffer
* @mbx_id: id of mailbox to write * @mbx_id: id of mailbox to write
* *
* returns SUCCESS if it successfully copied message into the buffer and * returns SUCCESS if it successfully copied message into the buffer and
* received an ack to that message within delay * timeout period * received an ack to that message within delay * timeout period
**/ **/
static s32 ixgbe_write_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size, s32 ixgbe_write_posted_mbx(struct ixgbe_hw *hw, u32 *msg, u16 size,
u16 mbx_id) u16 mbx_id)
{ {
struct ixgbe_mbx_info *mbx = &hw->mbx; struct ixgbe_mbx_info *mbx = &hw->mbx;
s32 ret_val = IXGBE_ERR_MBX; s32 ret_val = IXGBE_ERR_MBX;
DEBUGFUNC("ixgbe_write_posted_mbx"); DEBUGFUNC("ixgbe_write_posted_mbx");
/* exit if either we can't write or there isn't a defined timeout */ /* exit if either we can't write or there isn't a defined timeout */
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