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|
/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright(c) 2019-2021 Xilinx, Inc.
* Copyright(c) 2018-2019 Solarflare Communications Inc.
*/
#include "efx.h"
#include "efx_impl.h"
#if EFSYS_OPT_MCDI_PROXY_AUTH_SERVER
__checkReturn efx_rc_t
ef10_proxy_auth_init(
__in efx_nic_t *enp)
{
EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp));
return (0);
}
void
ef10_proxy_auth_fini(
__in efx_nic_t *enp)
{
EFSYS_ASSERT(EFX_FAMILY_IS_EF10(enp));
}
static __checkReturn efx_rc_t
efx_mcdi_proxy_configure(
__in efx_nic_t *enp,
__in boolean_t disable_proxy,
__in uint64_t req_buffer_addr,
__in uint64_t resp_buffer_addr,
__in uint64_t stat_buffer_addr,
__in size_t req_size,
__in size_t resp_size,
__in uint32_t block_cnt,
__in uint8_t *op_maskp,
__in size_t op_mask_size)
{
EFX_MCDI_DECLARE_BUF(payload, MC_CMD_PROXY_CONFIGURE_EXT_IN_LEN,
MC_CMD_PROXY_CONFIGURE_OUT_LEN);
efx_mcdi_req_t req;
efx_rc_t rc;
req.emr_cmd = MC_CMD_PROXY_CONFIGURE;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_PROXY_CONFIGURE_EXT_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_PROXY_CONFIGURE_OUT_LEN;
if (!disable_proxy) {
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_FLAGS, 1);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_REQUEST_BUFF_ADDR_LO,
req_buffer_addr & 0xffffffff);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_REQUEST_BUFF_ADDR_HI,
req_buffer_addr >> 32);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_REPLY_BUFF_ADDR_LO,
resp_buffer_addr & 0xffffffff);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_REPLY_BUFF_ADDR_HI,
resp_buffer_addr >> 32);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_STATUS_BUFF_ADDR_LO,
stat_buffer_addr & 0xffffffff);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_STATUS_BUFF_ADDR_HI,
stat_buffer_addr >> 32);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_REQUEST_BLOCK_SIZE,
req_size);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_REPLY_BLOCK_SIZE,
resp_size);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_STATUS_BLOCK_SIZE,
MC_PROXY_STATUS_BUFFER_LEN);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_IN_NUM_BLOCKS,
block_cnt);
memcpy(MCDI_IN2(req, efx_byte_t,
PROXY_CONFIGURE_IN_ALLOWED_MCDI_MASK),
op_maskp, op_mask_size);
MCDI_IN_SET_DWORD(req, PROXY_CONFIGURE_EXT_IN_RESERVED,
EFX_PROXY_CONFIGURE_MAGIC);
}
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
static __checkReturn efx_rc_t
efx_mcdi_privilege_modify(
__in efx_nic_t *enp,
__in uint32_t fn_group,
__in uint32_t pf_index,
__in uint32_t vf_index,
__in uint32_t add_privileges_mask,
__in uint32_t remove_privileges_mask)
{
EFX_MCDI_DECLARE_BUF(payload, MC_CMD_PRIVILEGE_MODIFY_IN_LEN,
MC_CMD_PRIVILEGE_MODIFY_OUT_LEN);
efx_mcdi_req_t req;
efx_rc_t rc;
req.emr_cmd = MC_CMD_PRIVILEGE_MODIFY;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_PRIVILEGE_MODIFY_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_PRIVILEGE_MODIFY_OUT_LEN;
EFSYS_ASSERT(fn_group <= MC_CMD_PRIVILEGE_MODIFY_IN_ONE);
MCDI_IN_SET_DWORD(req, PRIVILEGE_MODIFY_IN_FN_GROUP, fn_group);
if ((fn_group == MC_CMD_PRIVILEGE_MODIFY_IN_ONE) ||
(fn_group == MC_CMD_PRIVILEGE_MODIFY_IN_VFS_OF_PF)) {
MCDI_IN_POPULATE_DWORD_2(req,
PRIVILEGE_MODIFY_IN_FUNCTION,
PRIVILEGE_MODIFY_IN_FUNCTION_PF, pf_index,
PRIVILEGE_MODIFY_IN_FUNCTION_VF, vf_index);
}
MCDI_IN_SET_DWORD(req, PRIVILEGE_MODIFY_IN_ADD_MASK,
add_privileges_mask);
MCDI_IN_SET_DWORD(req, PRIVILEGE_MODIFY_IN_REMOVE_MASK,
remove_privileges_mask);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
static __checkReturn efx_rc_t
efx_proxy_auth_fill_op_mask(
__in_ecount(op_count) uint32_t *op_listp,
__in size_t op_count,
__out_ecount(op_mask_size) uint32_t *op_maskp,
__in size_t op_mask_size)
{
efx_rc_t rc;
uint32_t op;
if ((op_listp == NULL) || (op_maskp == NULL)) {
rc = EINVAL;
goto fail1;
}
while (op_count--) {
op = *op_listp++;
if (op > op_mask_size * 32) {
rc = EINVAL;
goto fail2;
}
op_maskp[op / 32] |= 1u << (op & 31);
}
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
ef10_proxy_auth_mc_config(
__in efx_nic_t *enp,
__in_ecount(block_cnt) efsys_mem_t *request_bufferp,
__in_ecount(block_cnt) efsys_mem_t *response_bufferp,
__in_ecount(block_cnt) efsys_mem_t *status_bufferp,
__in uint32_t block_cnt,
__in_ecount(op_count) uint32_t *op_listp,
__in size_t op_count)
{
#define PROXY_OPS_MASK_SIZE \
(EFX_DIV_ROUND_UP( \
MC_CMD_PROXY_CONFIGURE_IN_ALLOWED_MCDI_MASK_LEN, \
sizeof (uint32_t)))
efx_rc_t rc;
uint32_t op_mask[PROXY_OPS_MASK_SIZE] = {0};
/* Prepare the operation mask from operation list array */
if ((rc = efx_proxy_auth_fill_op_mask(op_listp, op_count,
op_mask, PROXY_OPS_MASK_SIZE) != 0))
goto fail1;
if ((rc = efx_mcdi_proxy_configure(enp, B_FALSE,
EFSYS_MEM_ADDR(request_bufferp),
EFSYS_MEM_ADDR(response_bufferp),
EFSYS_MEM_ADDR(status_bufferp),
EFSYS_MEM_SIZE(request_bufferp) / block_cnt,
EFSYS_MEM_SIZE(response_bufferp) / block_cnt,
block_cnt, (uint8_t *)&op_mask,
sizeof (op_mask))) != 0)
goto fail2;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
ef10_proxy_auth_disable(
__in efx_nic_t *enp)
{
efx_rc_t rc;
if ((rc = efx_mcdi_proxy_configure(enp, B_TRUE,
0, 0, 0, 0, 0, 0, NULL, 0) != 0))
goto fail1;
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
ef10_proxy_auth_privilege_modify(
__in efx_nic_t *enp,
__in uint32_t fn_group,
__in uint32_t pf_index,
__in uint32_t vf_index,
__in uint32_t add_privileges_mask,
__in uint32_t remove_privileges_mask)
{
return (efx_mcdi_privilege_modify(enp, fn_group, pf_index, vf_index,
add_privileges_mask, remove_privileges_mask));
}
static __checkReturn efx_rc_t
efx_mcdi_privilege_mask_set(
__in efx_nic_t *enp,
__in uint32_t vf_index,
__in uint32_t mask,
__in uint32_t value)
{
EFX_MCDI_DECLARE_BUF(payload, MC_CMD_PRIVILEGE_MASK_IN_LEN,
MC_CMD_PRIVILEGE_MASK_OUT_LEN);
efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
efx_mcdi_req_t req;
efx_rc_t rc;
uint32_t old_mask = 0;
uint32_t new_mask = 0;
EFSYS_ASSERT((value & ~mask) == 0);
req.emr_cmd = MC_CMD_PRIVILEGE_MASK;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_PRIVILEGE_MASK_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_PRIVILEGE_MASK_OUT_LEN;
/* Get privilege mask */
MCDI_IN_POPULATE_DWORD_2(req, PRIVILEGE_MASK_IN_FUNCTION,
PRIVILEGE_MASK_IN_FUNCTION_PF, encp->enc_pf,
PRIVILEGE_MASK_IN_FUNCTION_VF, vf_index);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
if (req.emr_out_length_used != MC_CMD_PRIVILEGE_MASK_OUT_LEN) {
rc = EMSGSIZE;
goto fail2;
}
old_mask = *MCDI_OUT2(req, uint32_t, PRIVILEGE_MASK_OUT_OLD_MASK);
new_mask = old_mask & ~mask;
new_mask |= (value & mask);
if (new_mask == old_mask)
return (0);
new_mask |= MC_CMD_PRIVILEGE_MASK_IN_DO_CHANGE;
memset(payload, 0, sizeof (payload));
req.emr_cmd = MC_CMD_PRIVILEGE_MASK;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_PRIVILEGE_MASK_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_PRIVILEGE_MASK_OUT_LEN;
/* Set privilege mask */
MCDI_IN_SET_DWORD(req, PRIVILEGE_MASK_IN_NEW_MASK, new_mask);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail3;
}
if (req.emr_out_length_used != MC_CMD_PRIVILEGE_MASK_OUT_LEN) {
rc = EMSGSIZE;
goto fail4;
}
return (0);
fail4:
EFSYS_PROBE(fail4);
fail3:
EFSYS_PROBE(fail3);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
ef10_proxy_auth_set_privilege_mask(
__in efx_nic_t *enp,
__in uint32_t vf_index,
__in uint32_t mask,
__in uint32_t value)
{
return (efx_mcdi_privilege_mask_set(enp, vf_index,
mask, value));
}
static __checkReturn efx_rc_t
efx_mcdi_proxy_complete(
__in efx_nic_t *enp,
__in uint32_t fn_index,
__in uint32_t proxy_result,
__in uint32_t handle)
{
EFX_MCDI_DECLARE_BUF(payload, MC_CMD_PROXY_COMPLETE_IN_LEN,
MC_CMD_PROXY_COMPLETE_OUT_LEN);
efx_mcdi_req_t req;
efx_rc_t rc;
req.emr_cmd = MC_CMD_PROXY_COMPLETE;
req.emr_in_buf = payload;
req.emr_in_length = MC_CMD_PROXY_COMPLETE_IN_LEN;
req.emr_out_buf = payload;
req.emr_out_length = MC_CMD_PROXY_COMPLETE_OUT_LEN;
MCDI_IN_SET_DWORD(req, PROXY_COMPLETE_IN_BLOCK_INDEX, fn_index);
MCDI_IN_SET_DWORD(req, PROXY_COMPLETE_IN_STATUS, proxy_result);
MCDI_IN_SET_DWORD(req, PROXY_COMPLETE_IN_HANDLE, handle);
efx_mcdi_execute(enp, &req);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail1;
}
return (0);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
ef10_proxy_auth_complete_request(
__in efx_nic_t *enp,
__in uint32_t fn_index,
__in uint32_t proxy_result,
__in uint32_t handle)
{
return (efx_mcdi_proxy_complete(enp, fn_index,
proxy_result, handle));
}
static __checkReturn efx_rc_t
efx_mcdi_proxy_cmd(
__in efx_nic_t *enp,
__in uint32_t pf_index,
__in uint32_t vf_index,
__in_bcount(request_size) uint8_t *request_bufferp,
__in size_t request_size,
__out_bcount(response_size) uint8_t *response_bufferp,
__in size_t response_size,
__out_opt size_t *response_size_actualp)
{
efx_dword_t *inbufp;
efx_mcdi_req_t req;
efx_rc_t rc;
if (request_size % sizeof (*inbufp) != 0) {
rc = EINVAL;
goto fail1;
}
EFSYS_KMEM_ALLOC(enp, (MC_CMD_PROXY_CMD_IN_LEN + request_size), inbufp);
req.emr_cmd = MC_CMD_PROXY_CMD;
req.emr_in_buf = (uint8_t *) inbufp;
req.emr_in_length = MC_CMD_PROXY_CMD_IN_LEN + request_size;
req.emr_out_buf = response_bufferp;
req.emr_out_length = response_size;
MCDI_IN_POPULATE_DWORD_2(req, PROXY_CMD_IN_TARGET,
PROXY_CMD_IN_TARGET_PF, pf_index,
PROXY_CMD_IN_TARGET_VF, vf_index);
/* Proxied command should be located just after PROXY_CMD */
memcpy(&inbufp[MC_CMD_PROXY_CMD_IN_LEN / sizeof (*inbufp)],
request_bufferp, request_size);
efx_mcdi_execute(enp, &req);
EFSYS_KMEM_FREE(enp, (MC_CMD_PROXY_CMD_IN_LEN + request_size), inbufp);
if (req.emr_rc != 0) {
rc = req.emr_rc;
goto fail2;
}
if (response_size_actualp != NULL)
*response_size_actualp = req.emr_out_length_used;
return (0);
fail2:
EFSYS_PROBE(fail2);
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
return (rc);
}
__checkReturn efx_rc_t
ef10_proxy_auth_get_privilege_mask(
__in efx_nic_t *enp,
__in uint32_t pf_index,
__in uint32_t vf_index,
__out uint32_t *maskp)
{
return (efx_mcdi_privilege_mask(enp, pf_index, vf_index, maskp));
}
__checkReturn efx_rc_t
ef10_proxy_auth_exec_cmd(
__in efx_nic_t *enp,
__inout efx_proxy_cmd_params_t *paramsp)
{
return (efx_mcdi_proxy_cmd(enp, paramsp->pf_index, paramsp->vf_index,
paramsp->request_bufferp, paramsp->request_size,
paramsp->response_bufferp, paramsp->response_size,
paramsp->response_size_actualp));
}
#endif /* EFSYS_OPT_MCDI_PROXY_AUTH_SERVER */
|
