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98abf84ee0
numam-dpdk/drivers/net/qede/base/ecore_int.c
Rasesh Mody 98abf84ee0 net/qede/base: refine error handling 
Adjust the verbosity of the log messages and add preventive checks for
errors.

Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com>
2018-04-14 00:41:44 +02:00

2675 lines
79 KiB
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/*
* Copyright (c) 2016 QLogic Corporation.
* All rights reserved.
* www.qlogic.com
*
* See LICENSE.qede_pmd for copyright and licensing details.
*/
#include "bcm_osal.h"
#include "ecore.h"
#include "ecore_spq.h"
#include "ecore_gtt_reg_addr.h"
#include "ecore_init_ops.h"
#include "ecore_rt_defs.h"
#include "ecore_int.h"
#include "reg_addr.h"
#include "ecore_hw.h"
#include "ecore_sriov.h"
#include "ecore_vf.h"
#include "ecore_hw_defs.h"
#include "ecore_hsi_common.h"
#include "ecore_mcp.h"
struct ecore_pi_info {
ecore_int_comp_cb_t comp_cb;
void *cookie; /* Will be sent to the compl cb function */
};
struct ecore_sb_sp_info {
struct ecore_sb_info sb_info;
/* per protocol index data */
struct ecore_pi_info pi_info_arr[PIS_PER_SB_E4];
};
enum ecore_attention_type {
ECORE_ATTN_TYPE_ATTN,
ECORE_ATTN_TYPE_PARITY,
};
#define SB_ATTN_ALIGNED_SIZE(p_hwfn) \
ALIGNED_TYPE_SIZE(struct atten_status_block, p_hwfn)
struct aeu_invert_reg_bit {
char bit_name[30];
#define ATTENTION_PARITY (1 << 0)
#define ATTENTION_LENGTH_MASK (0x00000ff0)
#define ATTENTION_LENGTH_SHIFT (4)
#define ATTENTION_LENGTH(flags) (((flags) & ATTENTION_LENGTH_MASK) >> \
ATTENTION_LENGTH_SHIFT)
#define ATTENTION_SINGLE (1 << ATTENTION_LENGTH_SHIFT)
#define ATTENTION_PAR (ATTENTION_SINGLE | ATTENTION_PARITY)
#define ATTENTION_PAR_INT ((2 << ATTENTION_LENGTH_SHIFT) | \
ATTENTION_PARITY)
/* Multiple bits start with this offset */
#define ATTENTION_OFFSET_MASK (0x000ff000)
#define ATTENTION_OFFSET_SHIFT (12)
#define ATTENTION_BB_MASK (0x00700000)
#define ATTENTION_BB_SHIFT (20)
#define ATTENTION_BB(value) ((value) << ATTENTION_BB_SHIFT)
#define ATTENTION_BB_DIFFERENT (1 << 23)
#define ATTENTION_CLEAR_ENABLE (1 << 28)
unsigned int flags;
/* Callback to call if attention will be triggered */
enum _ecore_status_t (*cb)(struct ecore_hwfn *p_hwfn);
enum block_id block_index;
};
struct aeu_invert_reg {
struct aeu_invert_reg_bit bits[32];
};
#define MAX_ATTN_GRPS (8)
#define NUM_ATTN_REGS (9)
static enum _ecore_status_t ecore_mcp_attn_cb(struct ecore_hwfn *p_hwfn)
{
u32 tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, MCP_REG_CPU_STATE);
DP_INFO(p_hwfn->p_dev, "MCP_REG_CPU_STATE: %08x - Masking...\n", tmp);
ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, MCP_REG_CPU_EVENT_MASK, 0xffffffff);
return ECORE_SUCCESS;
}
#define ECORE_PSWHST_ATTENTION_DISABLED_PF_MASK (0x3c000)
#define ECORE_PSWHST_ATTENTION_DISABLED_PF_SHIFT (14)
#define ECORE_PSWHST_ATTENTION_DISABLED_VF_MASK (0x03fc0)
#define ECORE_PSWHST_ATTENTION_DISABLED_VF_SHIFT (6)
#define ECORE_PSWHST_ATTENTION_DISABLED_VALID_MASK (0x00020)
#define ECORE_PSWHST_ATTENTION_DISABLED_VALID_SHIFT (5)
#define ECORE_PSWHST_ATTENTION_DISABLED_CLIENT_MASK (0x0001e)
#define ECORE_PSWHST_ATTENTION_DISABLED_CLIENT_SHIFT (1)
#define ECORE_PSWHST_ATTENTION_DISABLED_WRITE_MASK (0x1)
#define ECORE_PSWHST_ATTNETION_DISABLED_WRITE_SHIFT (0)
#define ECORE_PSWHST_ATTENTION_VF_DISABLED (0x1)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS (0x1)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_WR_MASK (0x1)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_WR_SHIFT (0)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_CLIENT_MASK (0x1e)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_CLIENT_SHIFT (1)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_VALID_MASK (0x20)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_VALID_SHIFT (5)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_ID_MASK (0x3fc0)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_ID_SHIFT (6)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_PF_ID_MASK (0x3c000)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_PF_ID_SHIFT (14)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_BYTE_EN_MASK (0x3fc0000)
#define ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_BYTE_EN_SHIFT (18)
static enum _ecore_status_t ecore_pswhst_attn_cb(struct ecore_hwfn *p_hwfn)
{
u32 tmp =
ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PSWHST_REG_VF_DISABLED_ERROR_VALID);
/* Disabled VF access */
if (tmp & ECORE_PSWHST_ATTENTION_VF_DISABLED) {
u32 addr, data;
addr = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PSWHST_REG_VF_DISABLED_ERROR_ADDRESS);
data = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PSWHST_REG_VF_DISABLED_ERROR_DATA);
DP_INFO(p_hwfn->p_dev,
"PF[0x%02x] VF [0x%02x] [Valid 0x%02x] Client [0x%02x]"
" Write [0x%02x] Addr [0x%08x]\n",
(u8)((data & ECORE_PSWHST_ATTENTION_DISABLED_PF_MASK)
>> ECORE_PSWHST_ATTENTION_DISABLED_PF_SHIFT),
(u8)((data & ECORE_PSWHST_ATTENTION_DISABLED_VF_MASK)
>> ECORE_PSWHST_ATTENTION_DISABLED_VF_SHIFT),
(u8)((data &
ECORE_PSWHST_ATTENTION_DISABLED_VALID_MASK) >>
ECORE_PSWHST_ATTENTION_DISABLED_VALID_SHIFT),
(u8)((data &
ECORE_PSWHST_ATTENTION_DISABLED_CLIENT_MASK) >>
ECORE_PSWHST_ATTENTION_DISABLED_CLIENT_SHIFT),
(u8)((data &
ECORE_PSWHST_ATTENTION_DISABLED_WRITE_MASK) >>
ECORE_PSWHST_ATTNETION_DISABLED_WRITE_SHIFT),
addr);
}
tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PSWHST_REG_INCORRECT_ACCESS_VALID);
if (tmp & ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS) {
u32 addr, data, length;
addr = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PSWHST_REG_INCORRECT_ACCESS_ADDRESS);
data = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PSWHST_REG_INCORRECT_ACCESS_DATA);
length = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
PSWHST_REG_INCORRECT_ACCESS_LENGTH);
DP_INFO(p_hwfn->p_dev,
"Incorrect access to %08x of length %08x - PF [%02x]"
" VF [%04x] [valid %02x] client [%02x] write [%02x]"
" Byte-Enable [%04x] [%08x]\n",
addr, length,
(u8)((data &
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_PF_ID_MASK) >>
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_PF_ID_SHIFT),
(u8)((data &
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_ID_MASK) >>
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_ID_SHIFT),
(u8)((data &
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_VALID_MASK) >>
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_VF_VALID_SHIFT),
(u8)((data &
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_CLIENT_MASK) >>
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_CLIENT_SHIFT),
(u8)((data &
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_WR_MASK) >>
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_WR_SHIFT),
(u8)((data &
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_BYTE_EN_MASK) >>
ECORE_PSWHST_ATTENTION_INCORRECT_ACCESS_BYTE_EN_SHIFT),
data);
}
/* TODO - We know 'some' of these are legal due to virtualization,
* but is it true for all of them?
*/
return ECORE_SUCCESS;
}
#define ECORE_GRC_ATTENTION_VALID_BIT (1 << 0)
#define ECORE_GRC_ATTENTION_ADDRESS_MASK (0x7fffff << 0)
#define ECORE_GRC_ATTENTION_RDWR_BIT (1 << 23)
#define ECORE_GRC_ATTENTION_MASTER_MASK (0xf << 24)
#define ECORE_GRC_ATTENTION_MASTER_SHIFT (24)
#define ECORE_GRC_ATTENTION_PF_MASK (0xf)
#define ECORE_GRC_ATTENTION_VF_MASK (0xff << 4)
#define ECORE_GRC_ATTENTION_VF_SHIFT (4)
#define ECORE_GRC_ATTENTION_PRIV_MASK (0x3 << 14)
#define ECORE_GRC_ATTENTION_PRIV_SHIFT (14)
#define ECORE_GRC_ATTENTION_PRIV_VF (0)
static const char *grc_timeout_attn_master_to_str(u8 master)
{
switch (master) {
case 1:
return "PXP";
case 2:
return "MCP";
case 3:
return "MSDM";
case 4:
return "PSDM";
case 5:
return "YSDM";
case 6:
return "USDM";
case 7:
return "TSDM";
case 8:
return "XSDM";
case 9:
return "DBU";
case 10:
return "DMAE";
default:
return "Unknown";
}
}
static enum _ecore_status_t ecore_grc_attn_cb(struct ecore_hwfn *p_hwfn)
{
u32 tmp, tmp2;
/* We've already cleared the timeout interrupt register, so we learn
* of interrupts via the validity register
*/
tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
GRC_REG_TIMEOUT_ATTN_ACCESS_VALID);
if (!(tmp & ECORE_GRC_ATTENTION_VALID_BIT))
goto out;
/* Read the GRC timeout information */
tmp = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
GRC_REG_TIMEOUT_ATTN_ACCESS_DATA_0);
tmp2 = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
GRC_REG_TIMEOUT_ATTN_ACCESS_DATA_1);
DP_NOTICE(p_hwfn->p_dev, false,
"GRC timeout [%08x:%08x] - %s Address [%08x] [Master %s] [PF: %02x %s %02x]\n",
tmp2, tmp,
(tmp & ECORE_GRC_ATTENTION_RDWR_BIT) ? "Write to"
: "Read from",
(tmp & ECORE_GRC_ATTENTION_ADDRESS_MASK) << 2,
grc_timeout_attn_master_to_str(
(tmp & ECORE_GRC_ATTENTION_MASTER_MASK) >>
ECORE_GRC_ATTENTION_MASTER_SHIFT),
(tmp2 & ECORE_GRC_ATTENTION_PF_MASK),
(((tmp2 & ECORE_GRC_ATTENTION_PRIV_MASK) >>
ECORE_GRC_ATTENTION_PRIV_SHIFT) ==
ECORE_GRC_ATTENTION_PRIV_VF) ? "VF" : "(Irrelevant:)",
(tmp2 & ECORE_GRC_ATTENTION_VF_MASK) >>
ECORE_GRC_ATTENTION_VF_SHIFT);
out:
/* Regardles of anything else, clean the validity bit */
ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt,
GRC_REG_TIMEOUT_ATTN_ACCESS_VALID, 0);
return ECORE_SUCCESS;
}
#define ECORE_PGLUE_ATTENTION_VALID (1 << 29)
#define ECORE_PGLUE_ATTENTION_RD_VALID (1 << 26)
#define ECORE_PGLUE_ATTENTION_DETAILS_PFID_MASK (0xf << 20)
#define ECORE_PGLUE_ATTENTION_DETAILS_PFID_SHIFT (20)
#define ECORE_PGLUE_ATTENTION_DETAILS_VF_VALID (1 << 19)
#define ECORE_PGLUE_ATTENTION_DETAILS_VFID_MASK (0xff << 24)
#define ECORE_PGLUE_ATTENTION_DETAILS_VFID_SHIFT (24)
#define ECORE_PGLUE_ATTENTION_DETAILS2_WAS_ERR (1 << 21)
#define ECORE_PGLUE_ATTENTION_DETAILS2_BME (1 << 22)
#define ECORE_PGLUE_ATTENTION_DETAILS2_FID_EN (1 << 23)
#define ECORE_PGLUE_ATTENTION_ICPL_VALID (1 << 23)
#define ECORE_PGLUE_ATTENTION_ZLR_VALID (1 << 25)
#define ECORE_PGLUE_ATTENTION_ILT_VALID (1 << 23)
enum _ecore_status_t ecore_pglueb_rbc_attn_handler(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
u32 tmp;
tmp = ecore_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_WR_DETAILS2);
if (tmp & ECORE_PGLUE_ATTENTION_VALID) {
u32 addr_lo, addr_hi, details;
addr_lo = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_TX_ERR_WR_ADD_31_0);
addr_hi = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_TX_ERR_WR_ADD_63_32);
details = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_TX_ERR_WR_DETAILS);
DP_NOTICE(p_hwfn, false,
"Illegal write by chip to [%08x:%08x] blocked. Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x] Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
addr_hi, addr_lo, details,
(u8)((details &
ECORE_PGLUE_ATTENTION_DETAILS_PFID_MASK) >>
ECORE_PGLUE_ATTENTION_DETAILS_PFID_SHIFT),
(u8)((details &
ECORE_PGLUE_ATTENTION_DETAILS_VFID_MASK) >>
ECORE_PGLUE_ATTENTION_DETAILS_VFID_SHIFT),
(u8)((details &
ECORE_PGLUE_ATTENTION_DETAILS_VF_VALID) ? 1 : 0),
tmp,
(u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_WAS_ERR) ?
1 : 0),
(u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_BME) ?
1 : 0),
(u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_FID_EN) ?
1 : 0));
}
tmp = ecore_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_RD_DETAILS2);
if (tmp & ECORE_PGLUE_ATTENTION_RD_VALID) {
u32 addr_lo, addr_hi, details;
addr_lo = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_TX_ERR_RD_ADD_31_0);
addr_hi = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_TX_ERR_RD_ADD_63_32);
details = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_TX_ERR_RD_DETAILS);
DP_NOTICE(p_hwfn, false,
"Illegal read by chip from [%08x:%08x] blocked. Details: %08x [PFID %02x, VFID %02x, VF_VALID %02x] Details2 %08x [Was_error %02x BME deassert %02x FID_enable deassert %02x]\n",
addr_hi, addr_lo, details,
(u8)((details &
ECORE_PGLUE_ATTENTION_DETAILS_PFID_MASK) >>
ECORE_PGLUE_ATTENTION_DETAILS_PFID_SHIFT),
(u8)((details &
ECORE_PGLUE_ATTENTION_DETAILS_VFID_MASK) >>
ECORE_PGLUE_ATTENTION_DETAILS_VFID_SHIFT),
(u8)((details &
ECORE_PGLUE_ATTENTION_DETAILS_VF_VALID) ? 1 : 0),
tmp,
(u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_WAS_ERR) ?
1 : 0),
(u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_BME) ?
1 : 0),
(u8)((tmp & ECORE_PGLUE_ATTENTION_DETAILS2_FID_EN) ?
1 : 0));
}
tmp = ecore_rd(p_hwfn, p_ptt, PGLUE_B_REG_TX_ERR_WR_DETAILS_ICPL);
if (tmp & ECORE_PGLUE_ATTENTION_ICPL_VALID)
DP_NOTICE(p_hwfn, false, "ICPL erorr - %08x\n", tmp);
tmp = ecore_rd(p_hwfn, p_ptt, PGLUE_B_REG_MASTER_ZLR_ERR_DETAILS);
if (tmp & ECORE_PGLUE_ATTENTION_ZLR_VALID) {
u32 addr_hi, addr_lo;
addr_lo = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_MASTER_ZLR_ERR_ADD_31_0);
addr_hi = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_MASTER_ZLR_ERR_ADD_63_32);
DP_NOTICE(p_hwfn, false,
"ICPL erorr - %08x [Address %08x:%08x]\n",
tmp, addr_hi, addr_lo);
}
tmp = ecore_rd(p_hwfn, p_ptt, PGLUE_B_REG_VF_ILT_ERR_DETAILS2);
if (tmp & ECORE_PGLUE_ATTENTION_ILT_VALID) {
u32 addr_hi, addr_lo, details;
addr_lo = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_VF_ILT_ERR_ADD_31_0);
addr_hi = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_VF_ILT_ERR_ADD_63_32);
details = ecore_rd(p_hwfn, p_ptt,
PGLUE_B_REG_VF_ILT_ERR_DETAILS);
DP_NOTICE(p_hwfn, false,
"ILT error - Details %08x Details2 %08x [Address %08x:%08x]\n",
details, tmp, addr_hi, addr_lo);
}
/* Clear the indications */
ecore_wr(p_hwfn, p_ptt, PGLUE_B_REG_LATCHED_ERRORS_CLR, (1 << 2));
return ECORE_SUCCESS;
}
static enum _ecore_status_t ecore_pglueb_rbc_attn_cb(struct ecore_hwfn *p_hwfn)
{
return ecore_pglueb_rbc_attn_handler(p_hwfn, p_hwfn->p_dpc_ptt);
}
static enum _ecore_status_t ecore_fw_assertion(struct ecore_hwfn *p_hwfn)
{
DP_NOTICE(p_hwfn, false, "FW assertion!\n");
ecore_hw_err_notify(p_hwfn, ECORE_HW_ERR_FW_ASSERT);
return ECORE_INVAL;
}
static enum _ecore_status_t
ecore_general_attention_35(struct ecore_hwfn *p_hwfn)
{
DP_INFO(p_hwfn, "General attention 35!\n");
return ECORE_SUCCESS;
}
#define ECORE_DORQ_ATTENTION_REASON_MASK (0xfffff)
#define ECORE_DORQ_ATTENTION_OPAQUE_MASK (0xffff)
#define ECORE_DORQ_ATTENTION_OPAQUE_SHIFT (0x0)
#define ECORE_DORQ_ATTENTION_SIZE_MASK (0x7f)
#define ECORE_DORQ_ATTENTION_SIZE_SHIFT (16)
#define ECORE_DB_REC_COUNT 10
#define ECORE_DB_REC_INTERVAL 100
/* assumes sticky overflow indication was set for this PF */
static enum _ecore_status_t ecore_db_rec_attn(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
u8 count = ECORE_DB_REC_COUNT;
u32 usage = 1;
/* wait for usage to zero or count to run out. This is necessary since
* EDPM doorbell transactions can take multiple 64b cycles, and as such
* can "split" over the pci. Possibly, the doorbell drop can happen with
* half an EDPM in the queue and other half dropped. Another EDPM
* doorbell to the same address (from doorbell recovery mechanism or
* from the doorbelling entity) could have first half dropped and second
* half interperted as continuation of the first. To prevent such
* malformed doorbells from reaching the device, flush the queue before
* releaseing the overflow sticky indication.
*/
while (count-- && usage) {
usage = ecore_rd(p_hwfn, p_ptt, DORQ_REG_PF_USAGE_CNT);
OSAL_UDELAY(ECORE_DB_REC_INTERVAL);
}
/* should have been depleted by now */
if (usage) {
DP_NOTICE(p_hwfn->p_dev, false,
"DB recovery: doorbell usage failed to zero after %d usec. usage was %x\n",
ECORE_DB_REC_INTERVAL * ECORE_DB_REC_COUNT, usage);
return ECORE_TIMEOUT;
}
/* flush any pedning (e)dpm as they may never arrive */
ecore_wr(p_hwfn, p_ptt, DORQ_REG_DPM_FORCE_ABORT, 0x1);
/* release overflow sticky indication (stop silently dropping
* everything)
*/
ecore_wr(p_hwfn, p_ptt, DORQ_REG_PF_OVFL_STICKY, 0x0);
/* repeat all last doorbells (doorbell drop recovery) */
ecore_db_recovery_execute(p_hwfn, DB_REC_REAL_DEAL);
return ECORE_SUCCESS;
}
static enum _ecore_status_t ecore_dorq_attn_cb(struct ecore_hwfn *p_hwfn)
{
u32 int_sts, first_drop_reason, details, address, overflow,
all_drops_reason;
struct ecore_ptt *p_ptt = p_hwfn->p_dpc_ptt;
enum _ecore_status_t rc;
int_sts = ecore_rd(p_hwfn, p_ptt, DORQ_REG_INT_STS);
DP_NOTICE(p_hwfn->p_dev, false, "DORQ attention. int_sts was %x\n",
int_sts);
/* int_sts may be zero since all PFs were interrupted for doorbell
* overflow but another one already handled it. Can abort here. If
* This PF also requires overflow recovery we will be interrupted again
*/
if (!int_sts)
return ECORE_SUCCESS;
/* check if db_drop or overflow happened */
if (int_sts & (DORQ_REG_INT_STS_DB_DROP |
DORQ_REG_INT_STS_DORQ_FIFO_OVFL_ERR)) {
/* obtain data about db drop/overflow */
first_drop_reason = ecore_rd(p_hwfn, p_ptt,
DORQ_REG_DB_DROP_REASON) &
ECORE_DORQ_ATTENTION_REASON_MASK;
details = ecore_rd(p_hwfn, p_ptt,
DORQ_REG_DB_DROP_DETAILS);
address = ecore_rd(p_hwfn, p_ptt,
DORQ_REG_DB_DROP_DETAILS_ADDRESS);
overflow = ecore_rd(p_hwfn, p_ptt,
DORQ_REG_PF_OVFL_STICKY);
all_drops_reason = ecore_rd(p_hwfn, p_ptt,
DORQ_REG_DB_DROP_DETAILS_REASON);
/* log info */
DP_NOTICE(p_hwfn->p_dev, false,
"Doorbell drop occurred\n"
"Address\t\t0x%08x\t(second BAR address)\n"
"FID\t\t0x%04x\t\t(Opaque FID)\n"
"Size\t\t0x%04x\t\t(in bytes)\n"
"1st drop reason\t0x%08x\t(details on first drop since last handling)\n"
"Sticky reasons\t0x%08x\t(all drop reasons since last handling)\n"
"Overflow\t0x%x\t\t(a per PF indication)\n",
address,
GET_FIELD(details, ECORE_DORQ_ATTENTION_OPAQUE),
GET_FIELD(details, ECORE_DORQ_ATTENTION_SIZE) * 4,
first_drop_reason, all_drops_reason, overflow);
/* if this PF caused overflow, initiate recovery */
if (overflow) {
rc = ecore_db_rec_attn(p_hwfn, p_ptt);
if (rc != ECORE_SUCCESS)
return rc;
}
/* clear the doorbell drop details and prepare for next drop */
ecore_wr(p_hwfn, p_ptt, DORQ_REG_DB_DROP_DETAILS_REL, 0);
/* mark interrupt as handeld (note: even if drop was due to a
* different reason than overflow we mark as handled)
*/
ecore_wr(p_hwfn, p_ptt, DORQ_REG_INT_STS_WR,
DORQ_REG_INT_STS_DB_DROP |
DORQ_REG_INT_STS_DORQ_FIFO_OVFL_ERR);
/* if there are no indications otherthan drop indications,
* success
*/
if ((int_sts & ~(DORQ_REG_INT_STS_DB_DROP |
DORQ_REG_INT_STS_DORQ_FIFO_OVFL_ERR |
DORQ_REG_INT_STS_DORQ_FIFO_AFULL)) == 0)
return ECORE_SUCCESS;
}
/* some other indication was present - non recoverable */
DP_INFO(p_hwfn, "DORQ fatal attention\n");
return ECORE_INVAL;
}
static enum _ecore_status_t ecore_tm_attn_cb(struct ecore_hwfn *p_hwfn)
{
#ifndef ASIC_ONLY
if (CHIP_REV_IS_EMUL_B0(p_hwfn->p_dev)) {
u32 val = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
TM_REG_INT_STS_1);
if (val & ~(TM_REG_INT_STS_1_PEND_TASK_SCAN |
TM_REG_INT_STS_1_PEND_CONN_SCAN))
return ECORE_INVAL;
if (val & (TM_REG_INT_STS_1_PEND_TASK_SCAN |
TM_REG_INT_STS_1_PEND_CONN_SCAN))
DP_INFO(p_hwfn,
"TM attention on emulation - most likely"
" results of clock-ratios\n");
val = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, TM_REG_INT_MASK_1);
val |= TM_REG_INT_MASK_1_PEND_CONN_SCAN |
TM_REG_INT_MASK_1_PEND_TASK_SCAN;
ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, TM_REG_INT_MASK_1, val);
return ECORE_SUCCESS;
}
#endif
return ECORE_INVAL;
}
/* Instead of major changes to the data-structure, we have a some 'special'
* identifiers for sources that changed meaning between adapters.
*/
enum aeu_invert_reg_special_type {
AEU_INVERT_REG_SPECIAL_CNIG_0,
AEU_INVERT_REG_SPECIAL_CNIG_1,
AEU_INVERT_REG_SPECIAL_CNIG_2,
AEU_INVERT_REG_SPECIAL_CNIG_3,
AEU_INVERT_REG_SPECIAL_MAX,
};
static struct aeu_invert_reg_bit
aeu_descs_special[AEU_INVERT_REG_SPECIAL_MAX] = {
{"CNIG port 0", ATTENTION_SINGLE, OSAL_NULL, BLOCK_CNIG},
{"CNIG port 1", ATTENTION_SINGLE, OSAL_NULL, BLOCK_CNIG},
{"CNIG port 2", ATTENTION_SINGLE, OSAL_NULL, BLOCK_CNIG},
{"CNIG port 3", ATTENTION_SINGLE, OSAL_NULL, BLOCK_CNIG},
};
/* Notice aeu_invert_reg must be defined in the same order of bits as HW; */
static struct aeu_invert_reg aeu_descs[NUM_ATTN_REGS] = {
{
{ /* After Invert 1 */
{"GPIO0 function%d", (32 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
MAX_BLOCK_ID},
}
},
{
{ /* After Invert 2 */
{"PGLUE config_space", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"PGLUE misc_flr", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"PGLUE B RBC", ATTENTION_PAR_INT, ecore_pglueb_rbc_attn_cb,
BLOCK_PGLUE_B},
{"PGLUE misc_mctp", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"Flash event", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"SMB event", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"Main Power", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"SW timers #%d",
(8 << ATTENTION_LENGTH_SHIFT) | (1 << ATTENTION_OFFSET_SHIFT),
OSAL_NULL, MAX_BLOCK_ID},
{"PCIE glue/PXP VPD %d", (16 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
BLOCK_PGLCS},
}
},
{
{ /* After Invert 3 */
{"General Attention %d", (32 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
MAX_BLOCK_ID},
}
},
{
{ /* After Invert 4 */
{"General Attention 32", ATTENTION_SINGLE | ATTENTION_CLEAR_ENABLE,
ecore_fw_assertion, MAX_BLOCK_ID},
{"General Attention %d",
(2 << ATTENTION_LENGTH_SHIFT) | (33 << ATTENTION_OFFSET_SHIFT),
OSAL_NULL, MAX_BLOCK_ID},
{"General Attention 35", ATTENTION_SINGLE | ATTENTION_CLEAR_ENABLE,
ecore_general_attention_35, MAX_BLOCK_ID},
{"NWS Parity", ATTENTION_PAR | ATTENTION_BB_DIFFERENT |
ATTENTION_BB(AEU_INVERT_REG_SPECIAL_CNIG_0),
OSAL_NULL, BLOCK_NWS},
{"NWS Interrupt", ATTENTION_SINGLE | ATTENTION_BB_DIFFERENT |
ATTENTION_BB(AEU_INVERT_REG_SPECIAL_CNIG_1),
OSAL_NULL, BLOCK_NWS},
{"NWM Parity", ATTENTION_PAR | ATTENTION_BB_DIFFERENT |
ATTENTION_BB(AEU_INVERT_REG_SPECIAL_CNIG_2),
OSAL_NULL, BLOCK_NWM},
{"NWM Interrupt", ATTENTION_SINGLE | ATTENTION_BB_DIFFERENT |
ATTENTION_BB(AEU_INVERT_REG_SPECIAL_CNIG_3),
OSAL_NULL, BLOCK_NWM},
{"MCP CPU", ATTENTION_SINGLE, ecore_mcp_attn_cb, MAX_BLOCK_ID},
{"MCP Watchdog timer", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"MCP M2P", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"AVS stop status ready", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"MSTAT", ATTENTION_PAR_INT, OSAL_NULL, MAX_BLOCK_ID},
{"MSTAT per-path", ATTENTION_PAR_INT, OSAL_NULL, MAX_BLOCK_ID},
{"Reserved %d", (6 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
MAX_BLOCK_ID},
{"NIG", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_NIG},
{"BMB/OPTE/MCP", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_BMB},
{"BTB", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_BTB},
{"BRB", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_BRB},
{"PRS", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PRS},
}
},
{
{ /* After Invert 5 */
{"SRC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_SRC},
{"PB Client1", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PBF_PB1},
{"PB Client2", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PBF_PB2},
{"RPB", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_RPB},
{"PBF", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PBF},
{"QM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_QM},
{"TM", ATTENTION_PAR_INT, ecore_tm_attn_cb, BLOCK_TM},
{"MCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MCM},
{"MSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MSDM},
{"MSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MSEM},
{"PCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PCM},
{"PSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSDM},
{"PSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSEM},
{"TCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TCM},
{"TSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TSDM},
{"TSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TSEM},
}
},
{
{ /* After Invert 6 */
{"UCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_UCM},
{"USDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_USDM},
{"USEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_USEM},
{"XCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_XCM},
{"XSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_XSDM},
{"XSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_XSEM},
{"YCM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_YCM},
{"YSDM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_YSDM},
{"YSEM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_YSEM},
{"XYLD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_XYLD},
{"TMLD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TMLD},
{"MYLD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MULD},
{"YULD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_YULD},
{"DORQ", ATTENTION_PAR_INT, ecore_dorq_attn_cb, BLOCK_DORQ},
{"DBG", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_DBG},
{"IPC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_IPC},
}
},
{
{ /* After Invert 7 */
{"CCFC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_CCFC},
{"CDU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_CDU},
{"DMAE", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_DMAE},
{"IGU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_IGU},
{"ATC", ATTENTION_PAR_INT, OSAL_NULL, MAX_BLOCK_ID},
{"CAU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_CAU},
{"PTU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PTU},
{"PRM", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PRM},
{"TCFC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TCFC},
{"RDIF", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_RDIF},
{"TDIF", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_TDIF},
{"RSS", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_RSS},
{"MISC", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MISC},
{"MISCS", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_MISCS},
{"PCIE", ATTENTION_PAR, OSAL_NULL, BLOCK_PCIE},
{"Vaux PCI core", ATTENTION_SINGLE, OSAL_NULL, BLOCK_PGLCS},
{"PSWRQ", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWRQ},
}
},
{
{ /* After Invert 8 */
{"PSWRQ (pci_clk)", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWRQ2},
{"PSWWR", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWWR},
{"PSWWR (pci_clk)", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWWR2},
{"PSWRD", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWRD},
{"PSWRD (pci_clk)", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWRD2},
{"PSWHST", ATTENTION_PAR_INT, ecore_pswhst_attn_cb, BLOCK_PSWHST},
{"PSWHST (pci_clk)", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_PSWHST2},
{"GRC", ATTENTION_PAR_INT, ecore_grc_attn_cb, BLOCK_GRC},
{"CPMU", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_CPMU},
{"NCSI", ATTENTION_PAR_INT, OSAL_NULL, BLOCK_NCSI},
{"MSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
{"PSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
{"TSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
{"USEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
{"XSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
{"YSEM PRAM", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
{"pxp_misc_mps", ATTENTION_PAR, OSAL_NULL, BLOCK_PGLCS},
{"PCIE glue/PXP Exp. ROM", ATTENTION_SINGLE, OSAL_NULL, BLOCK_PGLCS},
{"PERST_B assertion", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"PERST_B deassertion", ATTENTION_SINGLE, OSAL_NULL, MAX_BLOCK_ID},
{"Reserved %d", (2 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
MAX_BLOCK_ID},
}
},
{
{ /* After Invert 9 */
{"MCP Latched memory", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
{"MCP Latched scratchpad cache", ATTENTION_SINGLE, OSAL_NULL,
MAX_BLOCK_ID},
{"MCP Latched ump_tx", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
{"MCP Latched scratchpad", ATTENTION_PAR, OSAL_NULL, MAX_BLOCK_ID},
{"Reserved %d", (28 << ATTENTION_LENGTH_SHIFT), OSAL_NULL,
MAX_BLOCK_ID},
}
},
};
static struct aeu_invert_reg_bit *
ecore_int_aeu_translate(struct ecore_hwfn *p_hwfn,
struct aeu_invert_reg_bit *p_bit)
{
if (!ECORE_IS_BB(p_hwfn->p_dev))
return p_bit;
if (!(p_bit->flags & ATTENTION_BB_DIFFERENT))
return p_bit;
return &aeu_descs_special[(p_bit->flags & ATTENTION_BB_MASK) >>
ATTENTION_BB_SHIFT];
}
static bool ecore_int_is_parity_flag(struct ecore_hwfn *p_hwfn,
struct aeu_invert_reg_bit *p_bit)
{
return !!(ecore_int_aeu_translate(p_hwfn, p_bit)->flags &
ATTENTION_PARITY);
}
#define ATTN_STATE_BITS (0xfff)
#define ATTN_BITS_MASKABLE (0x3ff)
struct ecore_sb_attn_info {
/* Virtual & Physical address of the SB */
struct atten_status_block *sb_attn;
dma_addr_t sb_phys;
/* Last seen running index */
u16 index;
/* A mask of the AEU bits resulting in a parity error */
u32 parity_mask[NUM_ATTN_REGS];
/* A pointer to the attention description structure */
struct aeu_invert_reg *p_aeu_desc;
/* Previously asserted attentions, which are still unasserted */
u16 known_attn;
/* Cleanup address for the link's general hw attention */
u32 mfw_attn_addr;
};
static u16 ecore_attn_update_idx(struct ecore_hwfn *p_hwfn,
struct ecore_sb_attn_info *p_sb_desc)
{
u16 rc = 0, index;
OSAL_MMIOWB(p_hwfn->p_dev);
index = OSAL_LE16_TO_CPU(p_sb_desc->sb_attn->sb_index);
if (p_sb_desc->index != index) {
p_sb_desc->index = index;
rc = ECORE_SB_ATT_IDX;
}
OSAL_MMIOWB(p_hwfn->p_dev);
return rc;
}
/**
* @brief ecore_int_assertion - handles asserted attention bits
*
* @param p_hwfn
* @param asserted_bits newly asserted bits
* @return enum _ecore_status_t
*/
static enum _ecore_status_t ecore_int_assertion(struct ecore_hwfn *p_hwfn,
u16 asserted_bits)
{
struct ecore_sb_attn_info *sb_attn_sw = p_hwfn->p_sb_attn;
u32 igu_mask;
/* Mask the source of the attention in the IGU */
igu_mask = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
IGU_REG_ATTENTION_ENABLE);
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR, "IGU mask: 0x%08x --> 0x%08x\n",
igu_mask, igu_mask & ~(asserted_bits & ATTN_BITS_MASKABLE));
igu_mask &= ~(asserted_bits & ATTN_BITS_MASKABLE);
ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, IGU_REG_ATTENTION_ENABLE, igu_mask);
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"inner known ATTN state: 0x%04x --> 0x%04x\n",
sb_attn_sw->known_attn,
sb_attn_sw->known_attn | asserted_bits);
sb_attn_sw->known_attn |= asserted_bits;
/* Handle MCP events */
if (asserted_bits & 0x100) {
ecore_mcp_handle_events(p_hwfn, p_hwfn->p_dpc_ptt);
/* Clean the MCP attention */
ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt,
sb_attn_sw->mfw_attn_addr, 0);
}
/* FIXME - this will change once we'll have GOOD gtt definitions */
DIRECT_REG_WR(p_hwfn,
(u8 OSAL_IOMEM *) p_hwfn->regview +
GTT_BAR0_MAP_REG_IGU_CMD +
((IGU_CMD_ATTN_BIT_SET_UPPER -
IGU_CMD_INT_ACK_BASE) << 3), (u32)asserted_bits);
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR, "set cmd IGU: 0x%04x\n",
asserted_bits);
return ECORE_SUCCESS;
}
static void ecore_int_attn_print(struct ecore_hwfn *p_hwfn,
enum block_id id, enum dbg_attn_type type,
bool b_clear)
{
/* @DPDK */
DP_NOTICE(p_hwfn->p_dev, false, "[block_id %d type %d]\n", id, type);
}
/**
* @brief ecore_int_deassertion_aeu_bit - handles the effects of a single
* cause of the attention
*
* @param p_hwfn
* @param p_aeu - descriptor of an AEU bit which caused the attention
* @param aeu_en_reg - register offset of the AEU enable reg. which configured
* this bit to this group.
* @param bit_index - index of this bit in the aeu_en_reg
*
* @return enum _ecore_status_t
*/
static enum _ecore_status_t
ecore_int_deassertion_aeu_bit(struct ecore_hwfn *p_hwfn,
struct aeu_invert_reg_bit *p_aeu,
u32 aeu_en_reg,
const char *p_bit_name,
u32 bitmask)
{
enum _ecore_status_t rc = ECORE_INVAL;
bool b_fatal = false;
DP_INFO(p_hwfn, "Deasserted attention `%s'[%08x]\n",
p_bit_name, bitmask);
/* Call callback before clearing the interrupt status */
if (p_aeu->cb) {
DP_INFO(p_hwfn, "`%s (attention)': Calling Callback function\n",
p_bit_name);
rc = p_aeu->cb(p_hwfn);
}
if (rc != ECORE_SUCCESS)
b_fatal = true;
/* Print HW block interrupt registers */
if (p_aeu->block_index != MAX_BLOCK_ID) {
ecore_int_attn_print(p_hwfn, p_aeu->block_index,
ATTN_TYPE_INTERRUPT, !b_fatal);
}
/* @DPDK */
/* Reach assertion if attention is fatal */
if (b_fatal || (strcmp(p_bit_name, "PGLUE B RBC") == 0)) {
DP_NOTICE(p_hwfn, true, "`%s': Fatal attention\n",
p_bit_name);
ecore_hw_err_notify(p_hwfn, ECORE_HW_ERR_HW_ATTN);
}
/* Prevent this Attention from being asserted in the future */
if (p_aeu->flags & ATTENTION_CLEAR_ENABLE ||
p_hwfn->p_dev->attn_clr_en) {
u32 val;
u32 mask = ~bitmask;
val = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, aeu_en_reg);
ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, aeu_en_reg, (val & mask));
DP_ERR(p_hwfn, "`%s' - Disabled future attentions\n",
p_bit_name);
}
return rc;
}
/**
* @brief ecore_int_deassertion_parity - handle a single parity AEU source
*
* @param p_hwfn
* @param p_aeu - descriptor of an AEU bit which caused the parity
* @param aeu_en_reg - address of the AEU enable register
* @param bit_index
*/
static void ecore_int_deassertion_parity(struct ecore_hwfn *p_hwfn,
struct aeu_invert_reg_bit *p_aeu,
u32 aeu_en_reg, u8 bit_index)
{
u32 block_id = p_aeu->block_index, mask, val;
DP_NOTICE(p_hwfn->p_dev, false,
"%s parity attention is set [address 0x%08x, bit %d]\n",
p_aeu->bit_name, aeu_en_reg, bit_index);
if (block_id != MAX_BLOCK_ID) {
ecore_int_attn_print(p_hwfn, block_id, ATTN_TYPE_PARITY, false);
/* In A0, there's a single parity bit for several blocks */
if (block_id == BLOCK_BTB) {
ecore_int_attn_print(p_hwfn, BLOCK_OPTE,
ATTN_TYPE_PARITY, false);
ecore_int_attn_print(p_hwfn, BLOCK_MCP,
ATTN_TYPE_PARITY, false);
}
}
/* Prevent this parity error from being re-asserted */
mask = ~(0x1 << bit_index);
val = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, aeu_en_reg);
ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, aeu_en_reg, val & mask);
DP_INFO(p_hwfn, "`%s' - Disabled future parity errors\n",
p_aeu->bit_name);
}
/**
* @brief - handles deassertion of previously asserted attentions.
*
* @param p_hwfn
* @param deasserted_bits - newly deasserted bits
* @return enum _ecore_status_t
*
*/
static enum _ecore_status_t ecore_int_deassertion(struct ecore_hwfn *p_hwfn,
u16 deasserted_bits)
{
struct ecore_sb_attn_info *sb_attn_sw = p_hwfn->p_sb_attn;
u32 aeu_inv_arr[NUM_ATTN_REGS], aeu_mask, aeu_en, en;
u8 i, j, k, bit_idx;
enum _ecore_status_t rc = ECORE_SUCCESS;
/* Read the attention registers in the AEU */
for (i = 0; i < NUM_ATTN_REGS; i++) {
aeu_inv_arr[i] = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
MISC_REG_AEU_AFTER_INVERT_1_IGU +
i * 0x4);
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"Deasserted bits [%d]: %08x\n", i, aeu_inv_arr[i]);
}
/* Handle parity attentions first */
for (i = 0; i < NUM_ATTN_REGS; i++) {
struct aeu_invert_reg *p_aeu = &sb_attn_sw->p_aeu_desc[i];
u32 parities;
aeu_en = MISC_REG_AEU_ENABLE1_IGU_OUT_0 + i * sizeof(u32);
en = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, aeu_en);
parities = sb_attn_sw->parity_mask[i] & aeu_inv_arr[i] & en;
/* Skip register in which no parity bit is currently set */
if (!parities)
continue;
for (j = 0, bit_idx = 0; bit_idx < 32; j++) {
struct aeu_invert_reg_bit *p_bit = &p_aeu->bits[j];
if (ecore_int_is_parity_flag(p_hwfn, p_bit) &&
!!(parities & (1 << bit_idx)))
ecore_int_deassertion_parity(p_hwfn, p_bit,
aeu_en, bit_idx);
bit_idx += ATTENTION_LENGTH(p_bit->flags);
}
}
/* Find non-parity cause for attention and act */
for (k = 0; k < MAX_ATTN_GRPS; k++) {
struct aeu_invert_reg_bit *p_aeu;
/* Handle only groups whose attention is currently deasserted */
if (!(deasserted_bits & (1 << k)))
continue;
for (i = 0; i < NUM_ATTN_REGS; i++) {
u32 bits;
aeu_en = MISC_REG_AEU_ENABLE1_IGU_OUT_0 +
i * sizeof(u32) +
k * sizeof(u32) * NUM_ATTN_REGS;
en = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt, aeu_en);
bits = aeu_inv_arr[i] & en;
/* Skip if no bit from this group is currently set */
if (!bits)
continue;
/* Find all set bits from current register which belong
* to current group, making them responsible for the
* previous assertion.
*/
for (j = 0, bit_idx = 0; bit_idx < 32; j++) {
unsigned long int bitmask;
u8 bit, bit_len;
/* Need to account bits with changed meaning */
p_aeu = &sb_attn_sw->p_aeu_desc[i].bits[j];
bit = bit_idx;
bit_len = ATTENTION_LENGTH(p_aeu->flags);
if (ecore_int_is_parity_flag(p_hwfn, p_aeu)) {
/* Skip Parity */
bit++;
bit_len--;
}
/* Find the bits relating to HW-block, then
* shift so they'll become LSB.
*/
bitmask = bits & (((1 << bit_len) - 1) << bit);
bitmask >>= bit;
if (bitmask) {
u32 flags = p_aeu->flags;
char bit_name[30];
u8 num;
num = (u8)OSAL_FIND_FIRST_BIT(&bitmask,
bit_len);
/* Some bits represent more than a
* a single interrupt. Correctly print
* their name.
*/
if (ATTENTION_LENGTH(flags) > 2 ||
((flags & ATTENTION_PAR_INT) &&
ATTENTION_LENGTH(flags) > 1))
OSAL_SNPRINTF(bit_name, 30,
p_aeu->bit_name,
num);
else
OSAL_STRNCPY(bit_name,
p_aeu->bit_name,
30);
/* We now need to pass bitmask in its
* correct position.
*/
bitmask <<= bit;
/* Handle source of the attention */
ecore_int_deassertion_aeu_bit(p_hwfn,
p_aeu,
aeu_en,
bit_name,
bitmask);
}
bit_idx += ATTENTION_LENGTH(p_aeu->flags);
}
}
}
/* Clear IGU indication for the deasserted bits */
/* FIXME - this will change once we'll have GOOD gtt definitions */
DIRECT_REG_WR(p_hwfn,
(u8 OSAL_IOMEM *) p_hwfn->regview +
GTT_BAR0_MAP_REG_IGU_CMD +
((IGU_CMD_ATTN_BIT_CLR_UPPER -
IGU_CMD_INT_ACK_BASE) << 3), ~((u32)deasserted_bits));
/* Unmask deasserted attentions in IGU */
aeu_mask = ecore_rd(p_hwfn, p_hwfn->p_dpc_ptt,
IGU_REG_ATTENTION_ENABLE);
aeu_mask |= (deasserted_bits & ATTN_BITS_MASKABLE);
ecore_wr(p_hwfn, p_hwfn->p_dpc_ptt, IGU_REG_ATTENTION_ENABLE, aeu_mask);
/* Clear deassertion from inner state */
sb_attn_sw->known_attn &= ~deasserted_bits;
return rc;
}
static enum _ecore_status_t ecore_int_attentions(struct ecore_hwfn *p_hwfn)
{
struct ecore_sb_attn_info *p_sb_attn_sw = p_hwfn->p_sb_attn;
struct atten_status_block *p_sb_attn = p_sb_attn_sw->sb_attn;
u16 index = 0, asserted_bits, deasserted_bits;
u32 attn_bits = 0, attn_acks = 0;
enum _ecore_status_t rc = ECORE_SUCCESS;
/* Read current attention bits/acks - safeguard against attentions
* by guaranting work on a synchronized timeframe
*/
do {
index = OSAL_LE16_TO_CPU(p_sb_attn->sb_index);
attn_bits = OSAL_LE32_TO_CPU(p_sb_attn->atten_bits);
attn_acks = OSAL_LE32_TO_CPU(p_sb_attn->atten_ack);
} while (index != OSAL_LE16_TO_CPU(p_sb_attn->sb_index));
p_sb_attn->sb_index = index;
/* Attention / Deassertion are meaningful (and in correct state)
* only when they differ and consistent with known state - deassertion
* when previous attention & current ack, and assertion when current
* attention with no previous attention
*/
asserted_bits = (attn_bits & ~attn_acks & ATTN_STATE_BITS) &
~p_sb_attn_sw->known_attn;
deasserted_bits = (~attn_bits & attn_acks & ATTN_STATE_BITS) &
p_sb_attn_sw->known_attn;
if ((asserted_bits & ~0x100) || (deasserted_bits & ~0x100))
DP_INFO(p_hwfn,
"Attention: Index: 0x%04x, Bits: 0x%08x, Acks: 0x%08x, asserted: 0x%04x, De-asserted 0x%04x [Prev. known: 0x%04x]\n",
index, attn_bits, attn_acks, asserted_bits,
deasserted_bits, p_sb_attn_sw->known_attn);
else if (asserted_bits == 0x100)
DP_INFO(p_hwfn, "MFW indication via attention\n");
else
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"MFW indication [deassertion]\n");
if (asserted_bits) {
rc = ecore_int_assertion(p_hwfn, asserted_bits);
if (rc)
return rc;
}
if (deasserted_bits)
rc = ecore_int_deassertion(p_hwfn, deasserted_bits);
return rc;
}
static void ecore_sb_ack_attn(struct ecore_hwfn *p_hwfn,
void OSAL_IOMEM *igu_addr, u32 ack_cons)
{
struct igu_prod_cons_update igu_ack = { 0 };
igu_ack.sb_id_and_flags =
((ack_cons << IGU_PROD_CONS_UPDATE_SB_INDEX_SHIFT) |
(1 << IGU_PROD_CONS_UPDATE_UPDATE_FLAG_SHIFT) |
(IGU_INT_NOP << IGU_PROD_CONS_UPDATE_ENABLE_INT_SHIFT) |
(IGU_SEG_ACCESS_ATTN <<
IGU_PROD_CONS_UPDATE_SEGMENT_ACCESS_SHIFT));
DIRECT_REG_WR(p_hwfn, igu_addr, igu_ack.sb_id_and_flags);
/* Both segments (interrupts & acks) are written to same place address;
* Need to guarantee all commands will be received (in-order) by HW.
*/
OSAL_MMIOWB(p_hwfn->p_dev);
OSAL_BARRIER(p_hwfn->p_dev);
}
void ecore_int_sp_dpc(osal_int_ptr_t hwfn_cookie)
{
struct ecore_hwfn *p_hwfn = (struct ecore_hwfn *)hwfn_cookie;
struct ecore_pi_info *pi_info = OSAL_NULL;
struct ecore_sb_attn_info *sb_attn;
struct ecore_sb_info *sb_info;
int arr_size;
u16 rc = 0;
if (!p_hwfn)
return;
if (!p_hwfn->p_sp_sb) {
DP_ERR(p_hwfn->p_dev, "DPC called - no p_sp_sb\n");
return;
}
sb_info = &p_hwfn->p_sp_sb->sb_info;
arr_size = OSAL_ARRAY_SIZE(p_hwfn->p_sp_sb->pi_info_arr);
if (!sb_info) {
DP_ERR(p_hwfn->p_dev,
"Status block is NULL - cannot ack interrupts\n");
return;
}
if (!p_hwfn->p_sb_attn) {
DP_ERR(p_hwfn->p_dev, "DPC called - no p_sb_attn");
return;
}
sb_attn = p_hwfn->p_sb_attn;
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR, "DPC Called! (hwfn %p %d)\n",
p_hwfn, p_hwfn->my_id);
/* Disable ack for def status block. Required both for msix +
* inta in non-mask mode, in inta does no harm.
*/
ecore_sb_ack(sb_info, IGU_INT_DISABLE, 0);
/* Gather Interrupts/Attentions information */
if (!sb_info->sb_virt) {
DP_ERR(p_hwfn->p_dev,
"Interrupt Status block is NULL -"
" cannot check for new interrupts!\n");
} else {
u32 tmp_index = sb_info->sb_ack;
rc = ecore_sb_update_sb_idx(sb_info);
DP_VERBOSE(p_hwfn->p_dev, ECORE_MSG_INTR,
"Interrupt indices: 0x%08x --> 0x%08x\n",
tmp_index, sb_info->sb_ack);
}
if (!sb_attn || !sb_attn->sb_attn) {
DP_ERR(p_hwfn->p_dev,
"Attentions Status block is NULL -"
" cannot check for new attentions!\n");
} else {
u16 tmp_index = sb_attn->index;
rc |= ecore_attn_update_idx(p_hwfn, sb_attn);
DP_VERBOSE(p_hwfn->p_dev, ECORE_MSG_INTR,
"Attention indices: 0x%08x --> 0x%08x\n",
tmp_index, sb_attn->index);
}
/* Check if we expect interrupts at this time. if not just ack them */
if (!(rc & ECORE_SB_EVENT_MASK)) {
ecore_sb_ack(sb_info, IGU_INT_ENABLE, 1);
return;
}
/* Check the validity of the DPC ptt. If not ack interrupts and fail */
if (!p_hwfn->p_dpc_ptt) {
DP_NOTICE(p_hwfn->p_dev, true, "Failed to allocate PTT\n");
ecore_sb_ack(sb_info, IGU_INT_ENABLE, 1);
return;
}
if (rc & ECORE_SB_ATT_IDX)
ecore_int_attentions(p_hwfn);
if (rc & ECORE_SB_IDX) {
int pi;
/* Since we only looked at the SB index, it's possible more
* than a single protocol-index on the SB incremented.
* Iterate over all configured protocol indices and check
* whether something happened for each.
*/
for (pi = 0; pi < arr_size; pi++) {
pi_info = &p_hwfn->p_sp_sb->pi_info_arr[pi];
if (pi_info->comp_cb != OSAL_NULL)
pi_info->comp_cb(p_hwfn, pi_info->cookie);
}
}
if (sb_attn && (rc & ECORE_SB_ATT_IDX)) {
/* This should be done before the interrupts are enabled,
* since otherwise a new attention will be generated.
*/
ecore_sb_ack_attn(p_hwfn, sb_info->igu_addr, sb_attn->index);
}
ecore_sb_ack(sb_info, IGU_INT_ENABLE, 1);
}
static void ecore_int_sb_attn_free(struct ecore_hwfn *p_hwfn)
{
struct ecore_sb_attn_info *p_sb = p_hwfn->p_sb_attn;
if (!p_sb)
return;
if (p_sb->sb_attn) {
OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev, p_sb->sb_attn,
p_sb->sb_phys,
SB_ATTN_ALIGNED_SIZE(p_hwfn));
}
OSAL_FREE(p_hwfn->p_dev, p_sb);
}
static void ecore_int_sb_attn_setup(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
struct ecore_sb_attn_info *sb_info = p_hwfn->p_sb_attn;
OSAL_MEMSET(sb_info->sb_attn, 0, sizeof(*sb_info->sb_attn));
sb_info->index = 0;
sb_info->known_attn = 0;
/* Configure Attention Status Block in IGU */
ecore_wr(p_hwfn, p_ptt, IGU_REG_ATTN_MSG_ADDR_L,
DMA_LO(p_hwfn->p_sb_attn->sb_phys));
ecore_wr(p_hwfn, p_ptt, IGU_REG_ATTN_MSG_ADDR_H,
DMA_HI(p_hwfn->p_sb_attn->sb_phys));
}
static void ecore_int_sb_attn_init(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
void *sb_virt_addr, dma_addr_t sb_phy_addr)
{
struct ecore_sb_attn_info *sb_info = p_hwfn->p_sb_attn;
int i, j, k;
sb_info->sb_attn = sb_virt_addr;
sb_info->sb_phys = sb_phy_addr;
/* Set the pointer to the AEU descriptors */
sb_info->p_aeu_desc = aeu_descs;
/* Calculate Parity Masks */
OSAL_MEMSET(sb_info->parity_mask, 0, sizeof(u32) * NUM_ATTN_REGS);
for (i = 0; i < NUM_ATTN_REGS; i++) {
/* j is array index, k is bit index */
for (j = 0, k = 0; k < 32; j++) {
struct aeu_invert_reg_bit *p_aeu;
p_aeu = &aeu_descs[i].bits[j];
if (ecore_int_is_parity_flag(p_hwfn, p_aeu))
sb_info->parity_mask[i] |= 1 << k;
k += ATTENTION_LENGTH(p_aeu->flags);
}
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"Attn Mask [Reg %d]: 0x%08x\n",
i, sb_info->parity_mask[i]);
}
/* Set the address of cleanup for the mcp attention */
sb_info->mfw_attn_addr = (p_hwfn->rel_pf_id << 3) +
MISC_REG_AEU_GENERAL_ATTN_0;
ecore_int_sb_attn_setup(p_hwfn, p_ptt);
}
static enum _ecore_status_t ecore_int_sb_attn_alloc(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
struct ecore_dev *p_dev = p_hwfn->p_dev;
struct ecore_sb_attn_info *p_sb;
dma_addr_t p_phys = 0;
void *p_virt;
/* SB struct */
p_sb = OSAL_ALLOC(p_dev, GFP_KERNEL, sizeof(*p_sb));
if (!p_sb) {
DP_NOTICE(p_dev, false, "Failed to allocate `struct ecore_sb_attn_info'\n");
return ECORE_NOMEM;
}
/* SB ring */
p_virt = OSAL_DMA_ALLOC_COHERENT(p_dev, &p_phys,
SB_ATTN_ALIGNED_SIZE(p_hwfn));
if (!p_virt) {
DP_NOTICE(p_dev, false, "Failed to allocate status block (attentions)\n");
OSAL_FREE(p_dev, p_sb);
return ECORE_NOMEM;
}
/* Attention setup */
p_hwfn->p_sb_attn = p_sb;
ecore_int_sb_attn_init(p_hwfn, p_ptt, p_virt, p_phys);
return ECORE_SUCCESS;
}
/* coalescing timeout = timeset << (timer_res + 1) */
#define ECORE_CAU_DEF_RX_USECS 24
#define ECORE_CAU_DEF_TX_USECS 48
void ecore_init_cau_sb_entry(struct ecore_hwfn *p_hwfn,
struct cau_sb_entry *p_sb_entry,
u8 pf_id, u16 vf_number, u8 vf_valid)
{
struct ecore_dev *p_dev = p_hwfn->p_dev;
u32 cau_state;
u8 timer_res;
OSAL_MEMSET(p_sb_entry, 0, sizeof(*p_sb_entry));
SET_FIELD(p_sb_entry->params, CAU_SB_ENTRY_PF_NUMBER, pf_id);
SET_FIELD(p_sb_entry->params, CAU_SB_ENTRY_VF_NUMBER, vf_number);
SET_FIELD(p_sb_entry->params, CAU_SB_ENTRY_VF_VALID, vf_valid);
SET_FIELD(p_sb_entry->params, CAU_SB_ENTRY_SB_TIMESET0, 0x7F);
SET_FIELD(p_sb_entry->params, CAU_SB_ENTRY_SB_TIMESET1, 0x7F);
cau_state = CAU_HC_DISABLE_STATE;
if (p_dev->int_coalescing_mode == ECORE_COAL_MODE_ENABLE) {
cau_state = CAU_HC_ENABLE_STATE;
if (!p_dev->rx_coalesce_usecs)
p_dev->rx_coalesce_usecs = ECORE_CAU_DEF_RX_USECS;
if (!p_dev->tx_coalesce_usecs)
p_dev->tx_coalesce_usecs = ECORE_CAU_DEF_TX_USECS;
}
/* Coalesce = (timeset << timer-res), timeset is 7bit wide */
if (p_dev->rx_coalesce_usecs <= 0x7F)
timer_res = 0;
else if (p_dev->rx_coalesce_usecs <= 0xFF)
timer_res = 1;
else
timer_res = 2;
SET_FIELD(p_sb_entry->params, CAU_SB_ENTRY_TIMER_RES0, timer_res);
if (p_dev->tx_coalesce_usecs <= 0x7F)
timer_res = 0;
else if (p_dev->tx_coalesce_usecs <= 0xFF)
timer_res = 1;
else
timer_res = 2;
SET_FIELD(p_sb_entry->params, CAU_SB_ENTRY_TIMER_RES1, timer_res);
SET_FIELD(p_sb_entry->data, CAU_SB_ENTRY_STATE0, cau_state);
SET_FIELD(p_sb_entry->data, CAU_SB_ENTRY_STATE1, cau_state);
}
static void _ecore_int_cau_conf_pi(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
u16 igu_sb_id, u32 pi_index,
enum ecore_coalescing_fsm coalescing_fsm,
u8 timeset)
{
struct cau_pi_entry pi_entry;
u32 sb_offset, pi_offset;
if (IS_VF(p_hwfn->p_dev))
return;/* @@@TBD MichalK- VF CAU... */
sb_offset = igu_sb_id * PIS_PER_SB_E4;
OSAL_MEMSET(&pi_entry, 0, sizeof(struct cau_pi_entry));
SET_FIELD(pi_entry.prod, CAU_PI_ENTRY_PI_TIMESET, timeset);
if (coalescing_fsm == ECORE_COAL_RX_STATE_MACHINE)
SET_FIELD(pi_entry.prod, CAU_PI_ENTRY_FSM_SEL, 0);
else
SET_FIELD(pi_entry.prod, CAU_PI_ENTRY_FSM_SEL, 1);
pi_offset = sb_offset + pi_index;
if (p_hwfn->hw_init_done) {
ecore_wr(p_hwfn, p_ptt,
CAU_REG_PI_MEMORY + pi_offset * sizeof(u32),
*((u32 *)&(pi_entry)));
} else {
STORE_RT_REG(p_hwfn,
CAU_REG_PI_MEMORY_RT_OFFSET + pi_offset,
*((u32 *)&(pi_entry)));
}
}
void ecore_int_cau_conf_pi(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_sb_info *p_sb, u32 pi_index,
enum ecore_coalescing_fsm coalescing_fsm,
u8 timeset)
{
_ecore_int_cau_conf_pi(p_hwfn, p_ptt, p_sb->igu_sb_id,
pi_index, coalescing_fsm, timeset);
}
void ecore_int_cau_conf_sb(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
dma_addr_t sb_phys, u16 igu_sb_id,
u16 vf_number, u8 vf_valid)
{
struct cau_sb_entry sb_entry;
ecore_init_cau_sb_entry(p_hwfn, &sb_entry, p_hwfn->rel_pf_id,
vf_number, vf_valid);
if (p_hwfn->hw_init_done) {
/* Wide-bus, initialize via DMAE */
u64 phys_addr = (u64)sb_phys;
ecore_dmae_host2grc(p_hwfn, p_ptt,
(u64)(osal_uintptr_t)&phys_addr,
CAU_REG_SB_ADDR_MEMORY +
igu_sb_id * sizeof(u64), 2, 0);
ecore_dmae_host2grc(p_hwfn, p_ptt,
(u64)(osal_uintptr_t)&sb_entry,
CAU_REG_SB_VAR_MEMORY +
igu_sb_id * sizeof(u64), 2, 0);
} else {
/* Initialize Status Block Address */
STORE_RT_REG_AGG(p_hwfn,
CAU_REG_SB_ADDR_MEMORY_RT_OFFSET +
igu_sb_id * 2, sb_phys);
STORE_RT_REG_AGG(p_hwfn,
CAU_REG_SB_VAR_MEMORY_RT_OFFSET +
igu_sb_id * 2, sb_entry);
}
/* Configure pi coalescing if set */
if (p_hwfn->p_dev->int_coalescing_mode == ECORE_COAL_MODE_ENABLE) {
/* eth will open queues for all tcs, so configure all of them
* properly, rather than just the active ones
*/
u8 num_tc = p_hwfn->hw_info.num_hw_tc;
u8 timeset, timer_res;
u8 i;
/* timeset = (coalesce >> timer-res), timeset is 7bit wide */
if (p_hwfn->p_dev->rx_coalesce_usecs <= 0x7F)
timer_res = 0;
else if (p_hwfn->p_dev->rx_coalesce_usecs <= 0xFF)
timer_res = 1;
else
timer_res = 2;
timeset = (u8)(p_hwfn->p_dev->rx_coalesce_usecs >> timer_res);
_ecore_int_cau_conf_pi(p_hwfn, p_ptt, igu_sb_id, RX_PI,
ECORE_COAL_RX_STATE_MACHINE,
timeset);
if (p_hwfn->p_dev->tx_coalesce_usecs <= 0x7F)
timer_res = 0;
else if (p_hwfn->p_dev->tx_coalesce_usecs <= 0xFF)
timer_res = 1;
else
timer_res = 2;
timeset = (u8)(p_hwfn->p_dev->tx_coalesce_usecs >> timer_res);
for (i = 0; i < num_tc; i++) {
_ecore_int_cau_conf_pi(p_hwfn, p_ptt,
igu_sb_id, TX_PI(i),
ECORE_COAL_TX_STATE_MACHINE,
timeset);
}
}
}
void ecore_int_sb_setup(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt, struct ecore_sb_info *sb_info)
{
/* zero status block and ack counter */
sb_info->sb_ack = 0;
OSAL_MEMSET(sb_info->sb_virt, 0, sizeof(*sb_info->sb_virt));
if (IS_PF(p_hwfn->p_dev))
ecore_int_cau_conf_sb(p_hwfn, p_ptt, sb_info->sb_phys,
sb_info->igu_sb_id, 0, 0);
}
struct ecore_igu_block *
ecore_get_igu_free_sb(struct ecore_hwfn *p_hwfn, bool b_is_pf)
{
struct ecore_igu_block *p_block;
u16 igu_id;
for (igu_id = 0; igu_id < ECORE_MAPPING_MEMORY_SIZE(p_hwfn->p_dev);
igu_id++) {
p_block = &p_hwfn->hw_info.p_igu_info->entry[igu_id];
if (!(p_block->status & ECORE_IGU_STATUS_VALID) ||
!(p_block->status & ECORE_IGU_STATUS_FREE))
continue;
if (!!(p_block->status & ECORE_IGU_STATUS_PF) ==
b_is_pf)
return p_block;
}
return OSAL_NULL;
}
static u16 ecore_get_pf_igu_sb_id(struct ecore_hwfn *p_hwfn,
u16 vector_id)
{
struct ecore_igu_block *p_block;
u16 igu_id;
for (igu_id = 0; igu_id < ECORE_MAPPING_MEMORY_SIZE(p_hwfn->p_dev);
igu_id++) {
p_block = &p_hwfn->hw_info.p_igu_info->entry[igu_id];
if (!(p_block->status & ECORE_IGU_STATUS_VALID) ||
!p_block->is_pf ||
p_block->vector_number != vector_id)
continue;
return igu_id;
}
return ECORE_SB_INVALID_IDX;
}
u16 ecore_get_igu_sb_id(struct ecore_hwfn *p_hwfn, u16 sb_id)
{
u16 igu_sb_id;
/* Assuming continuous set of IGU SBs dedicated for given PF */
if (sb_id == ECORE_SP_SB_ID)
igu_sb_id = p_hwfn->hw_info.p_igu_info->igu_dsb_id;
else if (IS_PF(p_hwfn->p_dev))
igu_sb_id = ecore_get_pf_igu_sb_id(p_hwfn, sb_id + 1);
else
igu_sb_id = ecore_vf_get_igu_sb_id(p_hwfn, sb_id);
if (igu_sb_id == ECORE_SB_INVALID_IDX)
DP_NOTICE(p_hwfn, true,
"Slowpath SB vector %04x doesn't exist\n",
sb_id);
else if (sb_id == ECORE_SP_SB_ID)
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"Slowpath SB index in IGU is 0x%04x\n", igu_sb_id);
else
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"SB [%04x] <--> IGU SB [%04x]\n", sb_id, igu_sb_id);
return igu_sb_id;
}
enum _ecore_status_t ecore_int_sb_init(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_sb_info *sb_info,
void *sb_virt_addr,
dma_addr_t sb_phy_addr, u16 sb_id)
{
sb_info->sb_virt = sb_virt_addr;
sb_info->sb_phys = sb_phy_addr;
sb_info->igu_sb_id = ecore_get_igu_sb_id(p_hwfn, sb_id);
if (sb_info->igu_sb_id == ECORE_SB_INVALID_IDX)
return ECORE_INVAL;
/* Let the igu info reference the client's SB info */
if (sb_id != ECORE_SP_SB_ID) {
if (IS_PF(p_hwfn->p_dev)) {
struct ecore_igu_info *p_info;
struct ecore_igu_block *p_block;
p_info = p_hwfn->hw_info.p_igu_info;
p_block = &p_info->entry[sb_info->igu_sb_id];
p_block->sb_info = sb_info;
p_block->status &= ~ECORE_IGU_STATUS_FREE;
p_info->usage.free_cnt--;
} else {
ecore_vf_set_sb_info(p_hwfn, sb_id, sb_info);
}
}
#ifdef ECORE_CONFIG_DIRECT_HWFN
sb_info->p_hwfn = p_hwfn;
#endif
sb_info->p_dev = p_hwfn->p_dev;
/* The igu address will hold the absolute address that needs to be
* written to for a specific status block
*/
if (IS_PF(p_hwfn->p_dev)) {
sb_info->igu_addr = (u8 OSAL_IOMEM *)p_hwfn->regview +
GTT_BAR0_MAP_REG_IGU_CMD + (sb_info->igu_sb_id << 3);
} else {
sb_info->igu_addr =
(u8 OSAL_IOMEM *)p_hwfn->regview +
PXP_VF_BAR0_START_IGU +
((IGU_CMD_INT_ACK_BASE + sb_info->igu_sb_id) << 3);
}
sb_info->flags |= ECORE_SB_INFO_INIT;
ecore_int_sb_setup(p_hwfn, p_ptt, sb_info);
return ECORE_SUCCESS;
}
enum _ecore_status_t ecore_int_sb_release(struct ecore_hwfn *p_hwfn,
struct ecore_sb_info *sb_info,
u16 sb_id)
{
struct ecore_igu_info *p_info;
struct ecore_igu_block *p_block;
if (sb_info == OSAL_NULL)
return ECORE_SUCCESS;
/* zero status block and ack counter */
sb_info->sb_ack = 0;
OSAL_MEMSET(sb_info->sb_virt, 0, sizeof(*sb_info->sb_virt));
if (IS_VF(p_hwfn->p_dev)) {
ecore_vf_set_sb_info(p_hwfn, sb_id, OSAL_NULL);
return ECORE_SUCCESS;
}
p_info = p_hwfn->hw_info.p_igu_info;
p_block = &p_info->entry[sb_info->igu_sb_id];
/* Vector 0 is reserved to Default SB */
if (p_block->vector_number == 0) {
DP_ERR(p_hwfn, "Do Not free sp sb using this function");
return ECORE_INVAL;
}
/* Lose reference to client's SB info, and fix counters */
p_block->sb_info = OSAL_NULL;
p_block->status |= ECORE_IGU_STATUS_FREE;
p_info->usage.free_cnt++;
return ECORE_SUCCESS;
}
static void ecore_int_sp_sb_free(struct ecore_hwfn *p_hwfn)
{
struct ecore_sb_sp_info *p_sb = p_hwfn->p_sp_sb;
if (!p_sb)
return;
if (p_sb->sb_info.sb_virt) {
OSAL_DMA_FREE_COHERENT(p_hwfn->p_dev,
p_sb->sb_info.sb_virt,
p_sb->sb_info.sb_phys,
SB_ALIGNED_SIZE(p_hwfn));
}
OSAL_FREE(p_hwfn->p_dev, p_sb);
}
static enum _ecore_status_t ecore_int_sp_sb_alloc(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
struct ecore_sb_sp_info *p_sb;
dma_addr_t p_phys = 0;
void *p_virt;
/* SB struct */
p_sb =
OSAL_ALLOC(p_hwfn->p_dev, GFP_KERNEL,
sizeof(*p_sb));
if (!p_sb) {
DP_NOTICE(p_hwfn, false, "Failed to allocate `struct ecore_sb_info'\n");
return ECORE_NOMEM;
}
/* SB ring */
p_virt = OSAL_DMA_ALLOC_COHERENT(p_hwfn->p_dev,
&p_phys, SB_ALIGNED_SIZE(p_hwfn));
if (!p_virt) {
DP_NOTICE(p_hwfn, false, "Failed to allocate status block\n");
OSAL_FREE(p_hwfn->p_dev, p_sb);
return ECORE_NOMEM;
}
/* Status Block setup */
p_hwfn->p_sp_sb = p_sb;
ecore_int_sb_init(p_hwfn, p_ptt, &p_sb->sb_info,
p_virt, p_phys, ECORE_SP_SB_ID);
OSAL_MEMSET(p_sb->pi_info_arr, 0, sizeof(p_sb->pi_info_arr));
return ECORE_SUCCESS;
}
enum _ecore_status_t ecore_int_register_cb(struct ecore_hwfn *p_hwfn,
ecore_int_comp_cb_t comp_cb,
void *cookie,
u8 *sb_idx, __le16 **p_fw_cons)
{
struct ecore_sb_sp_info *p_sp_sb = p_hwfn->p_sp_sb;
enum _ecore_status_t rc = ECORE_NOMEM;
u8 pi;
/* Look for a free index */
for (pi = 0; pi < OSAL_ARRAY_SIZE(p_sp_sb->pi_info_arr); pi++) {
if (p_sp_sb->pi_info_arr[pi].comp_cb != OSAL_NULL)
continue;
p_sp_sb->pi_info_arr[pi].comp_cb = comp_cb;
p_sp_sb->pi_info_arr[pi].cookie = cookie;
*sb_idx = pi;
*p_fw_cons = &p_sp_sb->sb_info.sb_virt->pi_array[pi];
rc = ECORE_SUCCESS;
break;
}
return rc;
}
enum _ecore_status_t ecore_int_unregister_cb(struct ecore_hwfn *p_hwfn, u8 pi)
{
struct ecore_sb_sp_info *p_sp_sb = p_hwfn->p_sp_sb;
if (p_sp_sb->pi_info_arr[pi].comp_cb == OSAL_NULL)
return ECORE_NOMEM;
p_sp_sb->pi_info_arr[pi].comp_cb = OSAL_NULL;
p_sp_sb->pi_info_arr[pi].cookie = OSAL_NULL;
return ECORE_SUCCESS;
}
u16 ecore_int_get_sp_sb_id(struct ecore_hwfn *p_hwfn)
{
return p_hwfn->p_sp_sb->sb_info.igu_sb_id;
}
void ecore_int_igu_enable_int(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
enum ecore_int_mode int_mode)
{
u32 igu_pf_conf = IGU_PF_CONF_FUNC_EN | IGU_PF_CONF_ATTN_BIT_EN;
#ifndef ASIC_ONLY
if (CHIP_REV_IS_FPGA(p_hwfn->p_dev)) {
DP_INFO(p_hwfn, "FPGA - don't enable ATTN generation in IGU\n");
igu_pf_conf &= ~IGU_PF_CONF_ATTN_BIT_EN;
}
#endif
p_hwfn->p_dev->int_mode = int_mode;
switch (p_hwfn->p_dev->int_mode) {
case ECORE_INT_MODE_INTA:
igu_pf_conf |= IGU_PF_CONF_INT_LINE_EN;
igu_pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
break;
case ECORE_INT_MODE_MSI:
igu_pf_conf |= IGU_PF_CONF_MSI_MSIX_EN;
igu_pf_conf |= IGU_PF_CONF_SINGLE_ISR_EN;
break;
case ECORE_INT_MODE_MSIX:
igu_pf_conf |= IGU_PF_CONF_MSI_MSIX_EN;
break;
case ECORE_INT_MODE_POLL:
break;
}
ecore_wr(p_hwfn, p_ptt, IGU_REG_PF_CONFIGURATION, igu_pf_conf);
}
static void ecore_int_igu_enable_attn(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
#ifndef ASIC_ONLY
if (CHIP_REV_IS_FPGA(p_hwfn->p_dev)) {
DP_INFO(p_hwfn,
"FPGA - Don't enable Attentions in IGU and MISC\n");
return;
}
#endif
/* Configure AEU signal change to produce attentions */
ecore_wr(p_hwfn, p_ptt, IGU_REG_ATTENTION_ENABLE, 0);
ecore_wr(p_hwfn, p_ptt, IGU_REG_LEADING_EDGE_LATCH, 0xfff);
ecore_wr(p_hwfn, p_ptt, IGU_REG_TRAILING_EDGE_LATCH, 0xfff);
ecore_wr(p_hwfn, p_ptt, IGU_REG_ATTENTION_ENABLE, 0xfff);
/* Flush the writes to IGU */
OSAL_MMIOWB(p_hwfn->p_dev);
/* Unmask AEU signals toward IGU */
ecore_wr(p_hwfn, p_ptt, MISC_REG_AEU_MASK_ATTN_IGU, 0xff);
}
enum _ecore_status_t
ecore_int_igu_enable(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
enum ecore_int_mode int_mode)
{
enum _ecore_status_t rc = ECORE_SUCCESS;
ecore_int_igu_enable_attn(p_hwfn, p_ptt);
if ((int_mode != ECORE_INT_MODE_INTA) || IS_LEAD_HWFN(p_hwfn)) {
rc = OSAL_SLOWPATH_IRQ_REQ(p_hwfn);
if (rc != ECORE_SUCCESS) {
DP_NOTICE(p_hwfn, true,
"Slowpath IRQ request failed\n");
return ECORE_NORESOURCES;
}
p_hwfn->b_int_requested = true;
}
/* Enable interrupt Generation */
ecore_int_igu_enable_int(p_hwfn, p_ptt, int_mode);
p_hwfn->b_int_enabled = 1;
return rc;
}
void ecore_int_igu_disable_int(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
p_hwfn->b_int_enabled = 0;
if (IS_VF(p_hwfn->p_dev))
return;
ecore_wr(p_hwfn, p_ptt, IGU_REG_PF_CONFIGURATION, 0);
}
#define IGU_CLEANUP_SLEEP_LENGTH (1000)
static void ecore_int_igu_cleanup_sb(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
u32 igu_sb_id,
bool cleanup_set,
u16 opaque_fid)
{
u32 cmd_ctrl = 0, val = 0, sb_bit = 0, sb_bit_addr = 0, data = 0;
u32 pxp_addr = IGU_CMD_INT_ACK_BASE + igu_sb_id;
u32 sleep_cnt = IGU_CLEANUP_SLEEP_LENGTH;
u8 type = 0; /* FIXME MichalS type??? */
OSAL_BUILD_BUG_ON((IGU_REG_CLEANUP_STATUS_4 -
IGU_REG_CLEANUP_STATUS_0) != 0x200);
/* USE Control Command Register to perform cleanup. There is an
* option to do this using IGU bar, but then it can't be used for VFs.
*/
/* Set the data field */
SET_FIELD(data, IGU_CLEANUP_CLEANUP_SET, cleanup_set ? 1 : 0);
SET_FIELD(data, IGU_CLEANUP_CLEANUP_TYPE, type);
SET_FIELD(data, IGU_CLEANUP_COMMAND_TYPE, IGU_COMMAND_TYPE_SET);
/* Set the control register */
SET_FIELD(cmd_ctrl, IGU_CTRL_REG_PXP_ADDR, pxp_addr);
SET_FIELD(cmd_ctrl, IGU_CTRL_REG_FID, opaque_fid);
SET_FIELD(cmd_ctrl, IGU_CTRL_REG_TYPE, IGU_CTRL_CMD_TYPE_WR);
ecore_wr(p_hwfn, p_ptt, IGU_REG_COMMAND_REG_32LSB_DATA, data);
OSAL_BARRIER(p_hwfn->p_dev);
ecore_wr(p_hwfn, p_ptt, IGU_REG_COMMAND_REG_CTRL, cmd_ctrl);
/* Flush the write to IGU */
OSAL_MMIOWB(p_hwfn->p_dev);
/* calculate where to read the status bit from */
sb_bit = 1 << (igu_sb_id % 32);
sb_bit_addr = igu_sb_id / 32 * sizeof(u32);
sb_bit_addr += IGU_REG_CLEANUP_STATUS_0 + (0x80 * type);
/* Now wait for the command to complete */
while (--sleep_cnt) {
val = ecore_rd(p_hwfn, p_ptt, sb_bit_addr);
if ((val & sb_bit) == (cleanup_set ? sb_bit : 0))
break;
OSAL_MSLEEP(5);
}
if (!sleep_cnt)
DP_NOTICE(p_hwfn, true,
"Timeout waiting for clear status 0x%08x [for sb %d]\n",
val, igu_sb_id);
}
void ecore_int_igu_init_pure_rt_single(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
u16 igu_sb_id, u16 opaque, bool b_set)
{
struct ecore_igu_block *p_block;
int pi, i;
p_block = &p_hwfn->hw_info.p_igu_info->entry[igu_sb_id];
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"Cleaning SB [%04x]: func_id= %d is_pf = %d vector_num = 0x%0x\n",
igu_sb_id, p_block->function_id, p_block->is_pf,
p_block->vector_number);
/* Set */
if (b_set)
ecore_int_igu_cleanup_sb(p_hwfn, p_ptt, igu_sb_id, 1, opaque);
/* Clear */
ecore_int_igu_cleanup_sb(p_hwfn, p_ptt, igu_sb_id, 0, opaque);
/* Wait for the IGU SB to cleanup */
for (i = 0; i < IGU_CLEANUP_SLEEP_LENGTH; i++) {
u32 val;
val = ecore_rd(p_hwfn, p_ptt,
IGU_REG_WRITE_DONE_PENDING +
((igu_sb_id / 32) * 4));
if (val & (1 << (igu_sb_id % 32)))
OSAL_UDELAY(10);
else
break;
}
if (i == IGU_CLEANUP_SLEEP_LENGTH)
DP_NOTICE(p_hwfn, true,
"Failed SB[0x%08x] still appearing in WRITE_DONE_PENDING\n",
igu_sb_id);
/* Clear the CAU for the SB */
for (pi = 0; pi < 12; pi++)
ecore_wr(p_hwfn, p_ptt,
CAU_REG_PI_MEMORY + (igu_sb_id * 12 + pi) * 4, 0);
}
void ecore_int_igu_init_pure_rt(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
bool b_set, bool b_slowpath)
{
struct ecore_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
struct ecore_igu_block *p_block;
u16 igu_sb_id = 0;
u32 val = 0;
/* @@@TBD MichalK temporary... should be moved to init-tool... */
val = ecore_rd(p_hwfn, p_ptt, IGU_REG_BLOCK_CONFIGURATION);
val |= IGU_REG_BLOCK_CONFIGURATION_VF_CLEANUP_EN;
val &= ~IGU_REG_BLOCK_CONFIGURATION_PXP_TPH_INTERFACE_EN;
ecore_wr(p_hwfn, p_ptt, IGU_REG_BLOCK_CONFIGURATION, val);
/* end temporary */
for (igu_sb_id = 0;
igu_sb_id < ECORE_MAPPING_MEMORY_SIZE(p_hwfn->p_dev);
igu_sb_id++) {
p_block = &p_info->entry[igu_sb_id];
if (!(p_block->status & ECORE_IGU_STATUS_VALID) ||
!p_block->is_pf ||
(p_block->status & ECORE_IGU_STATUS_DSB))
continue;
ecore_int_igu_init_pure_rt_single(p_hwfn, p_ptt, igu_sb_id,
p_hwfn->hw_info.opaque_fid,
b_set);
}
if (b_slowpath)
ecore_int_igu_init_pure_rt_single(p_hwfn, p_ptt,
p_info->igu_dsb_id,
p_hwfn->hw_info.opaque_fid,
b_set);
}
int ecore_int_igu_reset_cam(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
struct ecore_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
struct ecore_igu_block *p_block;
int pf_sbs, vf_sbs;
u16 igu_sb_id;
u32 val, rval;
if (!RESC_NUM(p_hwfn, ECORE_SB)) {
/* We're using an old MFW - have to prevent any switching
* of SBs between PF and VFs as later driver wouldn't be
* able to tell which belongs to which.
*/
p_info->b_allow_pf_vf_change = false;
} else {
/* Use the numbers the MFW have provided -
* don't forget MFW accounts for the default SB as well.
*/
p_info->b_allow_pf_vf_change = true;
if (p_info->usage.cnt != RESC_NUM(p_hwfn, ECORE_SB) - 1) {
DP_INFO(p_hwfn,
"MFW notifies of 0x%04x PF SBs; IGU indicates of only 0x%04x\n",
RESC_NUM(p_hwfn, ECORE_SB) - 1,
p_info->usage.cnt);
p_info->usage.cnt = RESC_NUM(p_hwfn, ECORE_SB) - 1;
}
/* TODO - how do we learn about VF SBs from MFW? */
if (IS_PF_SRIOV(p_hwfn)) {
u16 vfs = p_hwfn->p_dev->p_iov_info->total_vfs;
if (vfs != p_info->usage.iov_cnt)
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"0x%04x VF SBs in IGU CAM != PCI configuration 0x%04x\n",
p_info->usage.iov_cnt, vfs);
/* At this point we know how many SBs we have totally
* in IGU + number of PF SBs. So we can validate that
* we'd have sufficient for VF.
*/
if (vfs > p_info->usage.free_cnt +
p_info->usage.free_cnt_iov -
p_info->usage.cnt) {
DP_NOTICE(p_hwfn, true,
"Not enough SBs for VFs - 0x%04x SBs, from which %04x PFs and %04x are required\n",
p_info->usage.free_cnt +
p_info->usage.free_cnt_iov,
p_info->usage.cnt, vfs);
return ECORE_INVAL;
}
}
}
/* Cap the number of VFs SBs by the number of VFs */
if (IS_PF_SRIOV(p_hwfn))
p_info->usage.iov_cnt = p_hwfn->p_dev->p_iov_info->total_vfs;
/* Mark all SBs as free, now in the right PF/VFs division */
p_info->usage.free_cnt = p_info->usage.cnt;
p_info->usage.free_cnt_iov = p_info->usage.iov_cnt;
p_info->usage.orig = p_info->usage.cnt;
p_info->usage.iov_orig = p_info->usage.iov_cnt;
/* We now proceed to re-configure the IGU cam to reflect the initial
* configuration. We can start with the Default SB.
*/
pf_sbs = p_info->usage.cnt;
vf_sbs = p_info->usage.iov_cnt;
for (igu_sb_id = p_info->igu_dsb_id;
igu_sb_id < ECORE_MAPPING_MEMORY_SIZE(p_hwfn->p_dev);
igu_sb_id++) {
p_block = &p_info->entry[igu_sb_id];
val = 0;
if (!(p_block->status & ECORE_IGU_STATUS_VALID))
continue;
if (p_block->status & ECORE_IGU_STATUS_DSB) {
p_block->function_id = p_hwfn->rel_pf_id;
p_block->is_pf = 1;
p_block->vector_number = 0;
p_block->status = ECORE_IGU_STATUS_VALID |
ECORE_IGU_STATUS_PF |
ECORE_IGU_STATUS_DSB;
} else if (pf_sbs) {
pf_sbs--;
p_block->function_id = p_hwfn->rel_pf_id;
p_block->is_pf = 1;
p_block->vector_number = p_info->usage.cnt - pf_sbs;
p_block->status = ECORE_IGU_STATUS_VALID |
ECORE_IGU_STATUS_PF |
ECORE_IGU_STATUS_FREE;
} else if (vf_sbs) {
p_block->function_id =
p_hwfn->p_dev->p_iov_info->first_vf_in_pf +
p_info->usage.iov_cnt - vf_sbs;
p_block->is_pf = 0;
p_block->vector_number = 0;
p_block->status = ECORE_IGU_STATUS_VALID |
ECORE_IGU_STATUS_FREE;
vf_sbs--;
} else {
p_block->function_id = 0;
p_block->is_pf = 0;
p_block->vector_number = 0;
}
SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER,
p_block->function_id);
SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, p_block->is_pf);
SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER,
p_block->vector_number);
/* VF entries would be enabled when VF is initializaed */
SET_FIELD(val, IGU_MAPPING_LINE_VALID, p_block->is_pf);
rval = ecore_rd(p_hwfn, p_ptt,
IGU_REG_MAPPING_MEMORY +
sizeof(u32) * igu_sb_id);
if (rval != val) {
ecore_wr(p_hwfn, p_ptt,
IGU_REG_MAPPING_MEMORY +
sizeof(u32) * igu_sb_id,
val);
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"IGU reset: [SB 0x%04x] func_id = %d is_pf = %d vector_num = 0x%x [%08x -> %08x]\n",
igu_sb_id, p_block->function_id,
p_block->is_pf, p_block->vector_number,
rval, val);
}
}
return 0;
}
int ecore_int_igu_reset_cam_default(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
struct ecore_sb_cnt_info *p_cnt = &p_hwfn->hw_info.p_igu_info->usage;
/* Return all the usage indications to default prior to the reset;
* The reset expects the !orig to reflect the initial status of the
* SBs, and would re-calculate the originals based on those.
*/
p_cnt->cnt = p_cnt->orig;
p_cnt->free_cnt = p_cnt->orig;
p_cnt->iov_cnt = p_cnt->iov_orig;
p_cnt->free_cnt_iov = p_cnt->iov_orig;
p_cnt->orig = 0;
p_cnt->iov_orig = 0;
/* TODO - we probably need to re-configure the CAU as well... */
return ecore_int_igu_reset_cam(p_hwfn, p_ptt);
}
static void ecore_int_igu_read_cam_block(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
u16 igu_sb_id)
{
u32 val = ecore_rd(p_hwfn, p_ptt,
IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_sb_id);
struct ecore_igu_block *p_block;
p_block = &p_hwfn->hw_info.p_igu_info->entry[igu_sb_id];
/* Fill the block information */
p_block->function_id = GET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER);
p_block->is_pf = GET_FIELD(val, IGU_MAPPING_LINE_PF_VALID);
p_block->vector_number = GET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER);
p_block->igu_sb_id = igu_sb_id;
}
enum _ecore_status_t ecore_int_igu_read_cam(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
struct ecore_igu_info *p_igu_info;
struct ecore_igu_block *p_block;
u32 min_vf = 0, max_vf = 0;
u16 igu_sb_id;
p_hwfn->hw_info.p_igu_info = OSAL_ZALLOC(p_hwfn->p_dev,
GFP_KERNEL,
sizeof(*p_igu_info));
if (!p_hwfn->hw_info.p_igu_info)
return ECORE_NOMEM;
p_igu_info = p_hwfn->hw_info.p_igu_info;
/* Distinguish between existent and onn-existent default SB */
p_igu_info->igu_dsb_id = ECORE_SB_INVALID_IDX;
/* Find the range of VF ids whose SB belong to this PF */
if (p_hwfn->p_dev->p_iov_info) {
struct ecore_hw_sriov_info *p_iov = p_hwfn->p_dev->p_iov_info;
min_vf = p_iov->first_vf_in_pf;
max_vf = p_iov->first_vf_in_pf + p_iov->total_vfs;
}
for (igu_sb_id = 0;
igu_sb_id < ECORE_MAPPING_MEMORY_SIZE(p_hwfn->p_dev);
igu_sb_id++) {
/* Read current entry; Notice it might not belong to this PF */
ecore_int_igu_read_cam_block(p_hwfn, p_ptt, igu_sb_id);
p_block = &p_igu_info->entry[igu_sb_id];
if ((p_block->is_pf) &&
(p_block->function_id == p_hwfn->rel_pf_id)) {
p_block->status = ECORE_IGU_STATUS_PF |
ECORE_IGU_STATUS_VALID |
ECORE_IGU_STATUS_FREE;
if (p_igu_info->igu_dsb_id != ECORE_SB_INVALID_IDX)
p_igu_info->usage.cnt++;
} else if (!(p_block->is_pf) &&
(p_block->function_id >= min_vf) &&
(p_block->function_id < max_vf)) {
/* Available for VFs of this PF */
p_block->status = ECORE_IGU_STATUS_VALID |
ECORE_IGU_STATUS_FREE;
if (p_igu_info->igu_dsb_id != ECORE_SB_INVALID_IDX)
p_igu_info->usage.iov_cnt++;
}
/* Mark the First entry belonging to the PF or its VFs
* as the default SB [we'll reset IGU prior to first usage].
*/
if ((p_block->status & ECORE_IGU_STATUS_VALID) &&
(p_igu_info->igu_dsb_id == ECORE_SB_INVALID_IDX)) {
p_igu_info->igu_dsb_id = igu_sb_id;
p_block->status |= ECORE_IGU_STATUS_DSB;
}
/* While this isn't suitable for all clients, limit number
* of prints by having each PF print only its entries with the
* exception of PF0 which would print everything.
*/
if ((p_block->status & ECORE_IGU_STATUS_VALID) ||
(p_hwfn->abs_pf_id == 0))
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"IGU_BLOCK: [SB 0x%04x] func_id = %d is_pf = %d vector_num = 0x%x\n",
igu_sb_id, p_block->function_id,
p_block->is_pf, p_block->vector_number);
}
if (p_igu_info->igu_dsb_id == ECORE_SB_INVALID_IDX) {
DP_NOTICE(p_hwfn, true,
"IGU CAM returned invalid values igu_dsb_id=0x%x\n",
p_igu_info->igu_dsb_id);
return ECORE_INVAL;
}
/* All non default SB are considered free at this point */
p_igu_info->usage.free_cnt = p_igu_info->usage.cnt;
p_igu_info->usage.free_cnt_iov = p_igu_info->usage.iov_cnt;
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"igu_dsb_id=0x%x, num Free SBs - PF: %04x VF: %04x [might change after resource allocation]\n",
p_igu_info->igu_dsb_id, p_igu_info->usage.cnt,
p_igu_info->usage.iov_cnt);
return ECORE_SUCCESS;
}
enum _ecore_status_t
ecore_int_igu_relocate_sb(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt,
u16 sb_id, bool b_to_vf)
{
struct ecore_igu_info *p_info = p_hwfn->hw_info.p_igu_info;
struct ecore_igu_block *p_block = OSAL_NULL;
u16 igu_sb_id = 0, vf_num = 0;
u32 val = 0;
if (IS_VF(p_hwfn->p_dev) || !IS_PF_SRIOV(p_hwfn))
return ECORE_INVAL;
if (sb_id == ECORE_SP_SB_ID)
return ECORE_INVAL;
if (!p_info->b_allow_pf_vf_change) {
DP_INFO(p_hwfn, "Can't relocate SBs as MFW is too old.\n");
return ECORE_INVAL;
}
/* If we're moving a SB from PF to VF, the client had to specify
* which vector it wants to move.
*/
if (b_to_vf) {
igu_sb_id = ecore_get_pf_igu_sb_id(p_hwfn, sb_id + 1);
if (igu_sb_id == ECORE_SB_INVALID_IDX)
return ECORE_INVAL;
}
/* If we're moving a SB from VF to PF, need to validate there isn't
* already a line configured for that vector.
*/
if (!b_to_vf) {
if (ecore_get_pf_igu_sb_id(p_hwfn, sb_id + 1) !=
ECORE_SB_INVALID_IDX)
return ECORE_INVAL;
}
/* We need to validate that the SB can actually be relocated.
* This would also handle the previous case where we've explicitly
* stated which IGU SB needs to move.
*/
for (; igu_sb_id < ECORE_MAPPING_MEMORY_SIZE(p_hwfn->p_dev);
igu_sb_id++) {
p_block = &p_info->entry[igu_sb_id];
if (!(p_block->status & ECORE_IGU_STATUS_VALID) ||
!(p_block->status & ECORE_IGU_STATUS_FREE) ||
(!!(p_block->status & ECORE_IGU_STATUS_PF) != b_to_vf)) {
if (b_to_vf)
return ECORE_INVAL;
else
continue;
}
break;
}
if (igu_sb_id == ECORE_MAPPING_MEMORY_SIZE(p_hwfn->p_dev)) {
DP_VERBOSE(p_hwfn, (ECORE_MSG_INTR | ECORE_MSG_IOV),
"Failed to find a free SB to move\n");
return ECORE_INVAL;
}
/* At this point, p_block points to the SB we want to relocate */
if (b_to_vf) {
p_block->status &= ~ECORE_IGU_STATUS_PF;
/* It doesn't matter which VF number we choose, since we're
* going to disable the line; But let's keep it in range.
*/
vf_num = (u16)p_hwfn->p_dev->p_iov_info->first_vf_in_pf;
p_block->function_id = (u8)vf_num;
p_block->is_pf = 0;
p_block->vector_number = 0;
p_info->usage.cnt--;
p_info->usage.free_cnt--;
p_info->usage.iov_cnt++;
p_info->usage.free_cnt_iov++;
/* TODO - if SBs aren't really the limiting factor,
* then it might not be accurate [in the since that
* we might not need decrement the feature].
*/
p_hwfn->hw_info.feat_num[ECORE_PF_L2_QUE]--;
p_hwfn->hw_info.feat_num[ECORE_VF_L2_QUE]++;
} else {
p_block->status |= ECORE_IGU_STATUS_PF;
p_block->function_id = p_hwfn->rel_pf_id;
p_block->is_pf = 1;
p_block->vector_number = sb_id + 1;
p_info->usage.cnt++;
p_info->usage.free_cnt++;
p_info->usage.iov_cnt--;
p_info->usage.free_cnt_iov--;
p_hwfn->hw_info.feat_num[ECORE_PF_L2_QUE]++;
p_hwfn->hw_info.feat_num[ECORE_VF_L2_QUE]--;
}
/* Update the IGU and CAU with the new configuration */
SET_FIELD(val, IGU_MAPPING_LINE_FUNCTION_NUMBER,
p_block->function_id);
SET_FIELD(val, IGU_MAPPING_LINE_PF_VALID, p_block->is_pf);
SET_FIELD(val, IGU_MAPPING_LINE_VALID, p_block->is_pf);
SET_FIELD(val, IGU_MAPPING_LINE_VECTOR_NUMBER,
p_block->vector_number);
ecore_wr(p_hwfn, p_ptt,
IGU_REG_MAPPING_MEMORY + sizeof(u32) * igu_sb_id,
val);
ecore_int_cau_conf_sb(p_hwfn, p_ptt, 0,
igu_sb_id, vf_num,
p_block->is_pf ? 0 : 1);
DP_VERBOSE(p_hwfn, ECORE_MSG_INTR,
"Relocation: [SB 0x%04x] func_id = %d is_pf = %d vector_num = 0x%x\n",
igu_sb_id, p_block->function_id,
p_block->is_pf, p_block->vector_number);
return ECORE_SUCCESS;
}
/**
* @brief Initialize igu runtime registers
*
* @param p_hwfn
*/
void ecore_int_igu_init_rt(struct ecore_hwfn *p_hwfn)
{
u32 igu_pf_conf = IGU_PF_CONF_FUNC_EN;
STORE_RT_REG(p_hwfn, IGU_REG_PF_CONFIGURATION_RT_OFFSET, igu_pf_conf);
}
#define LSB_IGU_CMD_ADDR (IGU_REG_SISR_MDPC_WMASK_LSB_UPPER - \
IGU_CMD_INT_ACK_BASE)
#define MSB_IGU_CMD_ADDR (IGU_REG_SISR_MDPC_WMASK_MSB_UPPER - \
IGU_CMD_INT_ACK_BASE)
u64 ecore_int_igu_read_sisr_reg(struct ecore_hwfn *p_hwfn)
{
u32 intr_status_hi = 0, intr_status_lo = 0;
u64 intr_status = 0;
intr_status_lo = REG_RD(p_hwfn,
GTT_BAR0_MAP_REG_IGU_CMD +
LSB_IGU_CMD_ADDR * 8);
intr_status_hi = REG_RD(p_hwfn,
GTT_BAR0_MAP_REG_IGU_CMD +
MSB_IGU_CMD_ADDR * 8);
intr_status = ((u64)intr_status_hi << 32) + (u64)intr_status_lo;
return intr_status;
}
static void ecore_int_sp_dpc_setup(struct ecore_hwfn *p_hwfn)
{
OSAL_DPC_INIT(p_hwfn->sp_dpc, p_hwfn);
p_hwfn->b_sp_dpc_enabled = true;
}
static enum _ecore_status_t ecore_int_sp_dpc_alloc(struct ecore_hwfn *p_hwfn)
{
p_hwfn->sp_dpc = OSAL_DPC_ALLOC(p_hwfn);
if (!p_hwfn->sp_dpc)
return ECORE_NOMEM;
return ECORE_SUCCESS;
}
static void ecore_int_sp_dpc_free(struct ecore_hwfn *p_hwfn)
{
OSAL_FREE(p_hwfn->p_dev, p_hwfn->sp_dpc);
}
enum _ecore_status_t ecore_int_alloc(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt)
{
enum _ecore_status_t rc = ECORE_SUCCESS;
rc = ecore_int_sp_dpc_alloc(p_hwfn);
if (rc != ECORE_SUCCESS) {
DP_ERR(p_hwfn->p_dev, "Failed to allocate sp dpc mem\n");
return rc;
}
rc = ecore_int_sp_sb_alloc(p_hwfn, p_ptt);
if (rc != ECORE_SUCCESS) {
DP_ERR(p_hwfn->p_dev, "Failed to allocate sp sb mem\n");
return rc;
}
rc = ecore_int_sb_attn_alloc(p_hwfn, p_ptt);
if (rc != ECORE_SUCCESS)
DP_ERR(p_hwfn->p_dev, "Failed to allocate sb attn mem\n");
return rc;
}
void ecore_int_free(struct ecore_hwfn *p_hwfn)
{
ecore_int_sp_sb_free(p_hwfn);
ecore_int_sb_attn_free(p_hwfn);
ecore_int_sp_dpc_free(p_hwfn);
}
void ecore_int_setup(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt)
{
if (!p_hwfn || !p_hwfn->p_sp_sb || !p_hwfn->p_sb_attn)
return;
ecore_int_sb_setup(p_hwfn, p_ptt, &p_hwfn->p_sp_sb->sb_info);
ecore_int_sb_attn_setup(p_hwfn, p_ptt);
ecore_int_sp_dpc_setup(p_hwfn);
}
void ecore_int_get_num_sbs(struct ecore_hwfn *p_hwfn,
struct ecore_sb_cnt_info *p_sb_cnt_info)
{
struct ecore_igu_info *p_igu_info = p_hwfn->hw_info.p_igu_info;
if (!p_igu_info || !p_sb_cnt_info)
return;
OSAL_MEMCPY(p_sb_cnt_info, &p_igu_info->usage,
sizeof(*p_sb_cnt_info));
}
void ecore_int_disable_post_isr_release(struct ecore_dev *p_dev)
{
int i;
for_each_hwfn(p_dev, i)
p_dev->hwfns[i].b_int_requested = false;
}
void ecore_int_attn_clr_enable(struct ecore_dev *p_dev, bool clr_enable)
{
p_dev->attn_clr_en = clr_enable;
}
enum _ecore_status_t ecore_int_set_timer_res(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
u8 timer_res, u16 sb_id, bool tx)
{
struct cau_sb_entry sb_entry;
enum _ecore_status_t rc;
if (!p_hwfn->hw_init_done) {
DP_ERR(p_hwfn, "hardware not initialized yet\n");
return ECORE_INVAL;
}
rc = ecore_dmae_grc2host(p_hwfn, p_ptt, CAU_REG_SB_VAR_MEMORY +
sb_id * sizeof(u64),
(u64)(osal_uintptr_t)&sb_entry, 2, 0);
if (rc != ECORE_SUCCESS) {
DP_ERR(p_hwfn, "dmae_grc2host failed %d\n", rc);
return rc;
}
if (tx)
SET_FIELD(sb_entry.params, CAU_SB_ENTRY_TIMER_RES1, timer_res);
else
SET_FIELD(sb_entry.params, CAU_SB_ENTRY_TIMER_RES0, timer_res);
rc = ecore_dmae_host2grc(p_hwfn, p_ptt,
(u64)(osal_uintptr_t)&sb_entry,
CAU_REG_SB_VAR_MEMORY +
sb_id * sizeof(u64), 2, 0);
if (rc != ECORE_SUCCESS) {
DP_ERR(p_hwfn, "dmae_host2grc failed %d\n", rc);
return rc;
}
return rc;
}
enum _ecore_status_t ecore_int_get_sb_dbg(struct ecore_hwfn *p_hwfn,
struct ecore_ptt *p_ptt,
struct ecore_sb_info *p_sb,
struct ecore_sb_info_dbg *p_info)
{
u16 sbid = p_sb->igu_sb_id;
int i;
if (IS_VF(p_hwfn->p_dev))
return ECORE_INVAL;
if (sbid > NUM_OF_SBS(p_hwfn->p_dev))
return ECORE_INVAL;
p_info->igu_prod = ecore_rd(p_hwfn, p_ptt,
IGU_REG_PRODUCER_MEMORY + sbid * 4);
p_info->igu_cons = ecore_rd(p_hwfn, p_ptt,
IGU_REG_CONSUMER_MEM + sbid * 4);
for (i = 0; i < PIS_PER_SB_E4; i++)
p_info->pi[i] = (u16)ecore_rd(p_hwfn, p_ptt,
CAU_REG_PI_MEMORY +
sbid * 4 * PIS_PER_SB_E4 +
i * 4);
return ECORE_SUCCESS;
}
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