Differential D7391 Diff 18973 sys/dev/ixl/i40e_adminq.c

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sys/dev/ixl/i40e_adminq.c

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#include "i40e_status.h"		#include "i40e_status.h"
#include "i40e_type.h"		#include "i40e_type.h"
#include "i40e_register.h"		#include "i40e_register.h"
#include "i40e_adminq.h"		#include "i40e_adminq.h"
#include "i40e_prototype.h"		#include "i40e_prototype.h"

/**		/**
* i40e_is_nvm_update_op - return TRUE if this is an NVM update operation
* @desc: API request descriptor
**/
static INLINE bool i40e_is_nvm_update_op(struct i40e_aq_desc *desc)
{
return (desc->opcode == CPU_TO_LE16(i40e_aqc_opc_nvm_erase)) \|\|
(desc->opcode == CPU_TO_LE16(i40e_aqc_opc_nvm_update));
}

/**
* i40e_adminq_init_regs - Initialize AdminQ registers		* i40e_adminq_init_regs - Initialize AdminQ registers
* @hw: pointer to the hardware structure		* @hw: pointer to the hardware structure
*		*
* This assumes the alloc_asq and alloc_arq functions have already been called		* This assumes the alloc_asq and alloc_arq functions have already been called
**/		**/
static void i40e_adminq_init_regs(struct i40e_hw *hw)		static void i40e_adminq_init_regs(struct i40e_hw *hw)
{		{
/* set head and tail registers in our local struct */		/* set head and tail registers in our local struct */
▲ Show 20 Lines • Show All 596 Lines • ▼ Show 20 Lines	enum i40e_status_code i40e_init_adminq(struct i40e_hw *hw)

if (hw->aq.api_maj_ver > I40E_FW_API_VERSION_MAJOR) {		if (hw->aq.api_maj_ver > I40E_FW_API_VERSION_MAJOR) {
ret_code = I40E_ERR_FIRMWARE_API_VERSION;		ret_code = I40E_ERR_FIRMWARE_API_VERSION;
goto init_adminq_free_arq;		goto init_adminq_free_arq;
}		}

/* pre-emptive resource lock release */		/* pre-emptive resource lock release */
i40e_aq_release_resource(hw, I40E_NVM_RESOURCE_ID, 0, NULL);		i40e_aq_release_resource(hw, I40E_NVM_RESOURCE_ID, 0, NULL);
hw->aq.nvm_release_on_done = FALSE;		hw->nvm_release_on_done = FALSE;
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;		hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;

ret_code = i40e_aq_set_hmc_resource_profile(hw,
I40E_HMC_PROFILE_DEFAULT,
0,
NULL);
ret_code = I40E_SUCCESS;		ret_code = I40E_SUCCESS;

/* success! */		/* success! */
goto init_adminq_exit;		goto init_adminq_exit;

init_adminq_free_arq:		init_adminq_free_arq:
i40e_shutdown_arq(hw);		i40e_shutdown_arq(hw);
init_adminq_free_asq:		init_adminq_free_asq:
▲ Show 20 Lines • Show All 397 Lines • ▼ Show 20 Lines	enum i40e_status_code i40e_clean_arq_element(struct i40e_hw *hw,
wr32(hw, hw->aq.arq.tail, ntc);		wr32(hw, hw->aq.arq.tail, ntc);
/* ntc is updated to tail + 1 */		/* ntc is updated to tail + 1 */
ntc++;		ntc++;
if (ntc == hw->aq.num_arq_entries)		if (ntc == hw->aq.num_arq_entries)
ntc = 0;		ntc = 0;
hw->aq.arq.next_to_clean = ntc;		hw->aq.arq.next_to_clean = ntc;
hw->aq.arq.next_to_use = ntu;		hw->aq.arq.next_to_use = ntu;

if (i40e_is_nvm_update_op(&e->desc)) {		i40e_nvmupd_check_wait_event(hw, LE16_TO_CPU(e->desc.opcode));
if (hw->aq.nvm_release_on_done) {
i40e_release_nvm(hw);
hw->aq.nvm_release_on_done = FALSE;
}

switch (hw->nvmupd_state) {
case I40E_NVMUPD_STATE_INIT_WAIT:
hw->nvmupd_state = I40E_NVMUPD_STATE_INIT;
break;

case I40E_NVMUPD_STATE_WRITE_WAIT:
hw->nvmupd_state = I40E_NVMUPD_STATE_WRITING;
break;

default:
break;
}
}

clean_arq_element_out:		clean_arq_element_out:
/* Set pending if needed, unlock and return */		/* Set pending if needed, unlock and return */
if (pending != NULL)		if (pending != NULL)
*pending = (ntc > ntu ? hw->aq.arq.count : 0) + (ntu - ntc);		*pending = (ntc > ntu ? hw->aq.arq.count : 0) + (ntu - ntc);
clean_arq_element_err:		clean_arq_element_err:
i40e_release_spinlock(&hw->aq.arq_spinlock);		i40e_release_spinlock(&hw->aq.arq_spinlock);

return ret_code;		return ret_code;
}		}