/******************************************************************/
/* ETS section */
/******************************************************************/
-void bnx2x_ets_disabled(struct link_params *params)
+static void bnx2x_ets_e2e3a0_disabled(struct link_params *params)
{
/* ETS disabled configuration*/
struct bnx2x *bp = params->bp;
- DP(NETIF_MSG_LINK, "ETS disabled configuration\n");
+ DP(NETIF_MSG_LINK, "ETS E2E3 disabled configuration\n");
/*
* mapping between entry priority to client number (0,1,2 -debug and
/* Defines the number of consecutive slots for the strict priority */
REG_WR(bp, PBF_REG_NUM_STRICT_ARB_SLOTS, 0);
}
+/******************************************************************************
+* Description:
+* Getting min_w_val will be set according to line speed .
+*.
+******************************************************************************/
+static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
+{
+ u32 min_w_val = 0;
+ /* Calculate min_w_val.*/
+ if (vars->link_up) {
+ if (SPEED_20000 == vars->line_speed)
+ min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
+ else
+ min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
+ } else
+ min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
+ /**
+ * If the link isn't up (static configuration for example ) The
+ * link will be according to 20GBPS.
+ */
+ return min_w_val;
+}
+/******************************************************************************
+* Description:
+* Getting credit upper bound form min_w_val.
+*.
+******************************************************************************/
+static u32 bnx2x_ets_get_credit_upper_bound(const u32 min_w_val)
+{
+ const u32 credit_upper_bound = (u32)MAXVAL((150 * min_w_val),
+ MAX_PACKET_SIZE);
+ return credit_upper_bound;
+}
+/******************************************************************************
+* Description:
+* Set credit upper bound for NIG.
+*.
+******************************************************************************/
+static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
+ const struct link_params *params,
+ const u32 min_w_val)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u32 credit_upper_bound =
+ bnx2x_ets_get_credit_upper_bound(min_w_val);
+
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4, credit_upper_bound);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
+ NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
+
+ if (0 == port) {
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
+ credit_upper_bound);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
+ credit_upper_bound);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8,
+ credit_upper_bound);
+ }
+}
+/******************************************************************************
+* Description:
+* Will return the NIG ETS registers to init values.Except
+* credit_upper_bound.
+* That isn't used in this configuration (No WFQ is enabled) and will be
+* configured acording to spec
+*.
+******************************************************************************/
+static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
+ const struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u32 min_w_val = bnx2x_ets_get_min_w_val_nig(vars);
+ /**
+ * mapping between entry priority to client number (0,1,2 -debug and
+ * management clients, 3 - COS0 client, 4 - COS1, ... 8 -
+ * COS5)(HIGHEST) 4bits client num.TODO_ETS - Should be done by
+ * reset value or init tool
+ */
+ if (port) {
+ REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB, 0x543210);
+ REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB, 0x0);
+ } else {
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB, 0x76543210);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB, 0x8);
+ }
+ /**
+ * For strict priority entries defines the number of consecutive
+ * slots for the highest priority.
+ */
+ /* TODO_ETS - Should be done by reset value or init tool */
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS :
+ NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS, 0x100);
+ /**
+ * mapping between the CREDIT_WEIGHT registers and actual client
+ * numbers
+ */
+ /* TODO_ETS - Should be done by reset value or init tool */
+ if (port) {
+ /*Port 1 has 6 COS*/
+ REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_LSB, 0x210543);
+ REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x0);
+ } else {
+ /*Port 0 has 9 COS*/
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB,
+ 0x43210876);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB, 0x5);
+ }
+
+ /**
+ * Bitmap of 5bits length. Each bit specifies whether the entry behaves
+ * as strict. Bits 0,1,2 - debug and management entries, 3 -
+ * COS0 entry, 4 - COS1 entry.
+ * COS1 | COS0 | DEBUG1 | DEBUG0 | MGMT
+ * bit4 bit3 bit2 bit1 bit0
+ * MCP and debug are strict
+ */
+ if (port)
+ REG_WR(bp, NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT, 0x3f);
+ else
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, 0x1ff);
+ /* defines which entries (clients) are subjected to WFQ arbitration */
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
+ NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ, 0);
+
+ /**
+ * Please notice the register address are note continuous and a
+ * for here is note appropriate.In 2 port mode port0 only COS0-5
+ * can be used. DEBUG1,DEBUG1,MGMT are never used for WFQ* In 4
+ * port mode port1 only COS0-2 can be used. DEBUG1,DEBUG1,MGMT
+ * are never used for WFQ
+ */
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
+ if (0 == port) {
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
+ }
+
+ bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val);
+}
+/******************************************************************************
+* Description:
+* Set credit upper bound for PBF.
+*.
+******************************************************************************/
+static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
+ const struct link_params *params,
+ const u32 min_w_val)
+{
+ struct bnx2x *bp = params->bp;
+ const u32 credit_upper_bound =
+ bnx2x_ets_get_credit_upper_bound(min_w_val);
+ const u8 port = params->port;
+ u32 base_upper_bound = 0;
+ u8 max_cos = 0;
+ u8 i = 0;
+ /**
+ * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
+ * port mode port1 has COS0-2 that can be used for WFQ.
+ */
+ if (0 == port) {
+ base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
+ max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
+ } else {
+ base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P1;
+ max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
+ }
+
+ for (i = 0; i < max_cos; i++)
+ REG_WR(bp, base_upper_bound + (i << 2), credit_upper_bound);
+}
+/******************************************************************************
+* Description:
+* Will return the PBF ETS registers to init values.Except
+* credit_upper_bound.
+* That isn't used in this configuration (No WFQ is enabled) and will be
+* configured acording to spec
+*.
+******************************************************************************/
+static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
+ u8 i = 0;
+ u32 base_weight = 0;
+ u8 max_cos = 0;
+
+ /**
+ * mapping between entry priority to client number 0 - COS0
+ * client, 2 - COS1, ... 5 - COS5)(HIGHEST) 4bits client num.
+ * TODO_ETS - Should be done by reset value or init tool
+ */
+ if (port)
+ /* 0x688 (|011|0 10|00 1|000) */
+ REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , 0x688);
+ else
+ /* (10 1|100 |011|0 10|00 1|000) */
+ REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , 0x2C688);
+
+ /* TODO_ETS - Should be done by reset value or init tool */
+ if (port)
+ /* 0x688 (|011|0 10|00 1|000)*/
+ REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1, 0x688);
+ else
+ /* 0x2C688 (10 1|100 |011|0 10|00 1|000) */
+ REG_WR(bp, PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0, 0x2C688);
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 :
+ PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 , 0x100);
+
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
+ PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , 0);
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
+ PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 , 0);
+ /**
+ * In 2 port mode port0 has COS0-5 that can be used for WFQ.
+ * In 4 port mode port1 has COS0-2 that can be used for WFQ.
+ */
+ if (0 == port) {
+ base_weight = PBF_REG_COS0_WEIGHT_P0;
+ max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
+ } else {
+ base_weight = PBF_REG_COS0_WEIGHT_P1;
+ max_cos = DCBX_E3B0_MAX_NUM_COS_PORT1;
+ }
+
+ for (i = 0; i < max_cos; i++)
+ REG_WR(bp, base_weight + (0x4 * i), 0);
+
+ bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
+}
+/******************************************************************************
+* Description:
+* E3B0 disable will return basicly the values to init values.
+*.
+******************************************************************************/
+static int bnx2x_ets_e3b0_disabled(const struct link_params *params,
+ const struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+
+ if (!CHIP_IS_E3B0(bp)) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
+ "\n");
+ return -EINVAL;
+ }
+
+ bnx2x_ets_e3b0_nig_disabled(params, vars);
+
+ bnx2x_ets_e3b0_pbf_disabled(params);
+
+ return 0;
+}
+
+/******************************************************************************
+* Description:
+* Disable will return basicly the values to init values.
+*.
+******************************************************************************/
+int bnx2x_ets_disabled(struct link_params *params,
+ struct link_vars *vars)
+{
+ struct bnx2x *bp = params->bp;
+ int bnx2x_status = 0;
+
+ if ((CHIP_IS_E2(bp)) || (CHIP_IS_E3A0(bp)))
+ bnx2x_ets_e2e3a0_disabled(params);
+ else if (CHIP_IS_E3B0(bp))
+ bnx2x_status = bnx2x_ets_e3b0_disabled(params, vars);
+ else {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_disabled - chip not supported\n");
+ return -EINVAL;
+ }
+
+ return bnx2x_status;
+}
+
+/******************************************************************************
+* Description
+* Set the COS mappimg to SP and BW until this point all the COS are not
+* set as SP or BW.
+******************************************************************************/
+static int bnx2x_ets_e3b0_cli_map(const struct link_params *params,
+ const struct bnx2x_ets_params *ets_params,
+ const u8 cos_sp_bitmap,
+ const u8 cos_bw_bitmap)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u8 nig_cli_sp_bitmap = 0x7 | (cos_sp_bitmap << 3);
+ const u8 pbf_cli_sp_bitmap = cos_sp_bitmap;
+ const u8 nig_cli_subject2wfq_bitmap = cos_bw_bitmap << 3;
+ const u8 pbf_cli_subject2wfq_bitmap = cos_bw_bitmap;
+
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_STRICT :
+ NIG_REG_P0_TX_ARB_CLIENT_IS_STRICT, nig_cli_sp_bitmap);
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 :
+ PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 , pbf_cli_sp_bitmap);
+
+ REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ :
+ NIG_REG_P0_TX_ARB_CLIENT_IS_SUBJECT2WFQ,
+ nig_cli_subject2wfq_bitmap);
+
+ REG_WR(bp, (port) ? PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 :
+ PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0,
+ pbf_cli_subject2wfq_bitmap);
+
+ return 0;
+}
+
+/******************************************************************************
+* Description:
+* This function is needed because NIG ARB_CREDIT_WEIGHT_X are
+* not continues and ARB_CREDIT_WEIGHT_0 + offset is suitable.
+******************************************************************************/
+static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp,
+ const u8 cos_entry,
+ const u32 min_w_val_nig,
+ const u32 min_w_val_pbf,
+ const u16 total_bw,
+ const u8 bw,
+ const u8 port)
+{
+ u32 nig_reg_adress_crd_weight = 0;
+ u32 pbf_reg_adress_crd_weight = 0;
+ /* Calculate and set BW for this COS*/
+ const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw;
+ const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw;
+
+ switch (cos_entry) {
+ case 0:
+ nig_reg_adress_crd_weight =
+ (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0;
+ pbf_reg_adress_crd_weight = (port) ?
+ PBF_REG_COS0_WEIGHT_P1 : PBF_REG_COS0_WEIGHT_P0;
+ break;
+ case 1:
+ nig_reg_adress_crd_weight = (port) ?
+ NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1;
+ pbf_reg_adress_crd_weight = (port) ?
+ PBF_REG_COS1_WEIGHT_P1 : PBF_REG_COS1_WEIGHT_P0;
+ break;
+ case 2:
+ nig_reg_adress_crd_weight = (port) ?
+ NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 :
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2;
+
+ pbf_reg_adress_crd_weight = (port) ?
+ PBF_REG_COS2_WEIGHT_P1 : PBF_REG_COS2_WEIGHT_P0;
+ break;
+ case 3:
+ if (port)
+ return -EINVAL;
+ nig_reg_adress_crd_weight =
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3;
+ pbf_reg_adress_crd_weight =
+ PBF_REG_COS3_WEIGHT_P0;
+ break;
+ case 4:
+ if (port)
+ return -EINVAL;
+ nig_reg_adress_crd_weight =
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4;
+ pbf_reg_adress_crd_weight = PBF_REG_COS4_WEIGHT_P0;
+ break;
+ case 5:
+ if (port)
+ return -EINVAL;
+ nig_reg_adress_crd_weight =
+ NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5;
+ pbf_reg_adress_crd_weight = PBF_REG_COS5_WEIGHT_P0;
+ break;
+ }
+
+ REG_WR(bp, nig_reg_adress_crd_weight, cos_bw_nig);
+
+ REG_WR(bp, pbf_reg_adress_crd_weight, cos_bw_pbf);
+
+ return 0;
+}
+/******************************************************************************
+* Description:
+* Calculate the total BW.A value of 0 isn't legal.
+*.
+******************************************************************************/
+static int bnx2x_ets_e3b0_get_total_bw(
+ const struct link_params *params,
+ const struct bnx2x_ets_params *ets_params,
+ u16 *total_bw)
+{
+ struct bnx2x *bp = params->bp;
+ u8 cos_idx = 0;
+
+ *total_bw = 0 ;
+ /* Calculate total BW requested */
+ for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
+ if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
+
+ if (0 == ets_params->cos[cos_idx].params.bw_params.bw) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
+ "was set to 0\n");
+ return -EINVAL;
+ }
+ *total_bw +=
+ ets_params->cos[cos_idx].params.bw_params.bw;
+ }
+ }
+
+ /*Check taotl BW is valid */
+ if ((100 != *total_bw) || (0 == *total_bw)) {
+ if (0 == *total_bw) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW"
+ "shouldn't be 0\n");
+ return -EINVAL;
+ }
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW should be"
+ "100\n");
+ /**
+ * We can handle a case whre the BW isn't 100 this can happen
+ * if the TC are joined.
+ */
+ }
+ return 0;
+}
+
+/******************************************************************************
+* Description:
+* Invalidate all the sp_pri_to_cos.
+*.
+******************************************************************************/
+static void bnx2x_ets_e3b0_sp_pri_to_cos_init(u8 *sp_pri_to_cos)
+{
+ u8 pri = 0;
+ for (pri = 0; pri < DCBX_MAX_NUM_COS; pri++)
+ sp_pri_to_cos[pri] = DCBX_INVALID_COS;
+}
+/******************************************************************************
+* Description:
+* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
+* according to sp_pri_to_cos.
+*.
+******************************************************************************/
+static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
+ u8 *sp_pri_to_cos, const u8 pri,
+ const u8 cos_entry)
+{
+ struct bnx2x *bp = params->bp;
+ const u8 port = params->port;
+ const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
+ DCBX_E3B0_MAX_NUM_COS_PORT0;
+
+ if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
+ "parameter There can't be two COS's with"
+ "the same strict pri\n");
+ return -EINVAL;
+ }
+
+ if (pri > max_num_of_cos) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid"
+ "parameter Illegal strict priority\n");
+ return -EINVAL;
+ }
+
+ sp_pri_to_cos[pri] = cos_entry;
+ return 0;
+
+}
+
+/******************************************************************************
+* Description:
+* Returns the correct value according to COS and priority in
+* the sp_pri_cli register.
+*.
+******************************************************************************/
+static u64 bnx2x_e3b0_sp_get_pri_cli_reg(const u8 cos, const u8 cos_offset,
+ const u8 pri_set,
+ const u8 pri_offset,
+ const u8 entry_size)
+{
+ u64 pri_cli_nig = 0;
+ pri_cli_nig = ((u64)(cos + cos_offset)) << (entry_size *
+ (pri_set + pri_offset));
+
+ return pri_cli_nig;
+}
+/******************************************************************************
+* Description:
+* Returns the correct value according to COS and priority in the
+* sp_pri_cli register for NIG.
+*.
+******************************************************************************/
+static u64 bnx2x_e3b0_sp_get_pri_cli_reg_nig(const u8 cos, const u8 pri_set)
+{
+ /* MCP Dbg0 and dbg1 are always with higher strict pri*/
+ const u8 nig_cos_offset = 3;
+ const u8 nig_pri_offset = 3;
+
+ return bnx2x_e3b0_sp_get_pri_cli_reg(cos, nig_cos_offset, pri_set,
+ nig_pri_offset, 4);
+
+}
+/******************************************************************************
+* Description:
+* Returns the correct value according to COS and priority in the
+* sp_pri_cli register for PBF.
+*.
+******************************************************************************/
+static u64 bnx2x_e3b0_sp_get_pri_cli_reg_pbf(const u8 cos, const u8 pri_set)
+{
+ const u8 pbf_cos_offset = 0;
+ const u8 pbf_pri_offset = 0;
+
+ return bnx2x_e3b0_sp_get_pri_cli_reg(cos, pbf_cos_offset, pri_set,
+ pbf_pri_offset, 3);
+
+}
+
+/******************************************************************************
+* Description:
+* Calculate and set the SP (ARB_PRIORITY_CLIENT) NIG and PBF registers
+* according to sp_pri_to_cos.(which COS has higher priority)
+*.
+******************************************************************************/
+static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
+ u8 *sp_pri_to_cos)
+{
+ struct bnx2x *bp = params->bp;
+ u8 i = 0;
+ const u8 port = params->port;
+ /* MCP Dbg0 and dbg1 are always with higher strict pri*/
+ u64 pri_cli_nig = 0x210;
+ u32 pri_cli_pbf = 0x0;
+ u8 pri_set = 0;
+ u8 pri_bitmask = 0;
+ const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
+ DCBX_E3B0_MAX_NUM_COS_PORT0;
+
+ u8 cos_bit_to_set = (1 << max_num_of_cos) - 1;
+
+ /* Set all the strict priority first */
+ for (i = 0; i < max_num_of_cos; i++) {
+ if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
+ if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
+ "invalid cos entry\n");
+ return -EINVAL;
+ }
+
+ pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
+ sp_pri_to_cos[i], pri_set);
+
+ pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
+ sp_pri_to_cos[i], pri_set);
+ pri_bitmask = 1 << sp_pri_to_cos[i];
+ /* COS is used remove it from bitmap.*/
+ if (0 == (pri_bitmask & cos_bit_to_set)) {
+ DP(NETIF_MSG_LINK,
+ "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
+ "invalid There can't be two COS's with"
+ " the same strict pri\n");
+ return -EINVAL;
+ }
+ cos_bit_to_set &= ~pri_bitmask;
+ pri_set++;
+ }
+ }
+
+ /* Set all the Non strict priority i= COS*/
+ for (i = 0; i < max_num_of_cos; i++) {
+ pri_bitmask = 1 << i;
+ /* Check if COS was already used for SP */
+ if (pri_bitmask & cos_bit_to_set) {
+ /* COS wasn't used for SP */
+ pri_cli_nig |= bnx2x_e3b0_sp_get_pri_cli_reg_nig(
+ i, pri_set);
+
+ pri_cli_pbf |= bnx2x_e3b0_sp_get_pri_cli_reg_pbf(
+ i, pri_set);
+ /* COS is used remove it from bitmap.*/
+ cos_bit_to_set &= ~pri_bitmask;
+ pri_set++;
+ }
+ }
+
+ if (pri_set != max_num_of_cos) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_set_pri_cli_reg not all "
+ "entries were set\n");
+ return -EINVAL;
+ }
+
+ if (port) {
+ /* Only 6 usable clients*/
+ REG_WR(bp, NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB,
+ (u32)pri_cli_nig);
+
+ REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 , pri_cli_pbf);
+ } else {
+ /* Only 9 usable clients*/
+ const u32 pri_cli_nig_lsb = (u32) (pri_cli_nig);
+ const u32 pri_cli_nig_msb = (u32) ((pri_cli_nig >> 32) & 0xF);
+
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB,
+ pri_cli_nig_lsb);
+ REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB,
+ pri_cli_nig_msb);
+
+ REG_WR(bp, PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 , pri_cli_pbf);
+ }
+ return 0;
+}
+
+/******************************************************************************
+* Description:
+* Configure the COS to ETS according to BW and SP settings.
+******************************************************************************/
+int bnx2x_ets_e3b0_config(const struct link_params *params,
+ const struct link_vars *vars,
+ const struct bnx2x_ets_params *ets_params)
+{
+ struct bnx2x *bp = params->bp;
+ int bnx2x_status = 0;
+ const u8 port = params->port;
+ u16 total_bw = 0;
+ const u32 min_w_val_nig = bnx2x_ets_get_min_w_val_nig(vars);
+ const u32 min_w_val_pbf = ETS_E3B0_PBF_MIN_W_VAL;
+ u8 cos_bw_bitmap = 0;
+ u8 cos_sp_bitmap = 0;
+ u8 sp_pri_to_cos[DCBX_MAX_NUM_COS] = {0};
+ const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
+ DCBX_E3B0_MAX_NUM_COS_PORT0;
+ u8 cos_entry = 0;
+
+ if (!CHIP_IS_E3B0(bp)) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_disabled the chip isn't E3B0"
+ "\n");
+ return -EINVAL;
+ }
+
+ if ((ets_params->num_of_cos > max_num_of_cos)) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config the number of COS "
+ "isn't supported\n");
+ return -EINVAL;
+ }
+
+ /* Prepare sp strict priority parameters*/
+ bnx2x_ets_e3b0_sp_pri_to_cos_init(sp_pri_to_cos);
+
+ /* Prepare BW parameters*/
+ bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
+ &total_bw);
+ if (0 != bnx2x_status) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config get_total_bw failed "
+ "\n");
+ return -EINVAL;
+ }
+
+ /**
+ * Upper bound is set according to current link speed (min_w_val
+ * should be the same for upper bound and COS credit val).
+ */
+ bnx2x_ets_e3b0_set_credit_upper_bound_nig(params, min_w_val_nig);
+ bnx2x_ets_e3b0_set_credit_upper_bound_pbf(params, min_w_val_pbf);
+
+
+ for (cos_entry = 0; cos_entry < ets_params->num_of_cos; cos_entry++) {
+ if (bnx2x_cos_state_bw == ets_params->cos[cos_entry].state) {
+ cos_bw_bitmap |= (1 << cos_entry);
+ /**
+ * The function also sets the BW in HW(not the mappin
+ * yet)
+ */
+ bnx2x_status = bnx2x_ets_e3b0_set_cos_bw(
+ bp, cos_entry, min_w_val_nig, min_w_val_pbf,
+ total_bw,
+ ets_params->cos[cos_entry].params.bw_params.bw,
+ port);
+ } else if (bnx2x_cos_state_strict ==
+ ets_params->cos[cos_entry].state){
+ cos_sp_bitmap |= (1 << cos_entry);
+
+ bnx2x_status = bnx2x_ets_e3b0_sp_pri_to_cos_set(
+ params,
+ sp_pri_to_cos,
+ ets_params->cos[cos_entry].params.sp_params.pri,
+ cos_entry);
+
+ } else {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config cos state not"
+ " valid\n");
+ return -EINVAL;
+ }
+ if (0 != bnx2x_status) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_config set cos bw "
+ "failed\n");
+ return bnx2x_status;
+ }
+ }
+
+ /* Set SP register (which COS has higher priority) */
+ bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
+ sp_pri_to_cos);
+
+ if (0 != bnx2x_status) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config set_pri_cli_reg "
+ "failed\n");
+ return bnx2x_status;
+ }
+
+ /* Set client mapping of BW and strict */
+ bnx2x_status = bnx2x_ets_e3b0_cli_map(params, ets_params,
+ cos_sp_bitmap,
+ cos_bw_bitmap);
+
+ if (0 != bnx2x_status) {
+ DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
+ return bnx2x_status;
+ }
+ return 0;
+}
static void bnx2x_ets_bw_limit_common(const struct link_params *params)
{
/* ETS disabled configuration */
* clients that are not subject to WFQ credit blocking - their
* specifications here are not used. */
#define NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP 0x180f0
+/* [RW 32] Specify which of the credit registers the client is to be mapped
+ * to. This register specifies bits 31:0 of the 36-bit value. Bits[3:0] are
+ * for client 0; bits [35:32] are for client 8. For clients that are not
+ * subject to WFQ credit blocking - their specifications here are not used.
+ * This is a new register (with 2_) added in E3 B0 to accommodate the 9
+ * input clients to ETS arbiter. The reset default is set for management and
+ * debug to use credit registers 6, 7, and 8, respectively, and COSes 0-5 to
+ * use credit registers 0-5 respectively (0x543210876). Note that credit
+ * registers can not be shared between clients. */
+#define NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_LSB 0x18688
+/* [RW 4] Specify which of the credit registers the client is to be mapped
+ * to. This register specifies bits 35:32 of the 36-bit value. Bits[3:0] are
+ * for client 0; bits [35:32] are for client 8. For clients that are not
+ * subject to WFQ credit blocking - their specifications here are not used.
+ * This is a new register (with 2_) added in E3 B0 to accommodate the 9
+ * input clients to ETS arbiter. The reset default is set for management and
+ * debug to use credit registers 6, 7, and 8, respectively, and COSes 0-5 to
+ * use credit registers 0-5 respectively (0x543210876). Note that credit
+ * registers can not be shared between clients. */
+#define NIG_REG_P0_TX_ARB_CLIENT_CREDIT_MAP2_MSB 0x1868c
/* [RW 5] Specify whether the client competes directly in the strict
* priority arbiter. The bits are mapped according to client ID (client IDs
* are defined in tx_arb_priority_client). Default value is set to enable
* reach. */
#define NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_0 0x1810c
#define NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_1 0x18110
+#define NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_2 0x18114
+#define NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_3 0x18118
+#define NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_4 0x1811c
+#define NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5 0x186a0
+#define NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6 0x186a4
+#define NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7 0x186a8
+#define NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_8 0x186ac
/* [RW 32] Specify the weight (in bytes) to be added to credit register 0
* when it is time to increment. */
#define NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_0 0x180f8
#define NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_1 0x180fc
+#define NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_2 0x18100
+#define NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_3 0x18104
+#define NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4 0x18108
+#define NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5 0x18690
+#define NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6 0x18694
+#define NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7 0x18698
+#define NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8 0x1869c
/* [RW 12] Specify the number of strict priority arbitration slots between
* two round-robin arbitration slots to avoid starvation. A value of 0 means
* no strict priority cycles - the strict priority with anti-starvation
#define NIG_REG_P1_HDRS_AFTER_BASIC 0x1818c
#define NIG_REG_P1_LLH_FUNC_MEM2 0x184c0
#define NIG_REG_P1_LLH_FUNC_MEM2_ENABLE 0x18460
+/* [RW 32] Specify the client number to be assigned to each priority of the
+ * strict priority arbiter. This register specifies bits 31:0 of the 36-bit
+ * value. Priority 0 is the highest priority. Bits [3:0] are for priority 0
+ * client; bits [35-32] are for priority 8 client. The clients are assigned
+ * the following IDs: 0-management; 1-debug traffic from this port; 2-debug
+ * traffic from other port; 3-COS0 traffic; 4-COS1 traffic; 5-COS2 traffic;
+ * 6-COS3 traffic; 7-COS4 traffic; 8-COS5 traffic. The reset value[35:0] is
+ * set to 0x345678021. This is a new register (with 2_) added in E3 B0 to
+ * accommodate the 9 input clients to ETS arbiter. */
+#define NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_LSB 0x18680
+/* [RW 4] Specify the client number to be assigned to each priority of the
+ * strict priority arbiter. This register specifies bits 35:32 of the 36-bit
+ * value. Priority 0 is the highest priority. Bits [3:0] are for priority 0
+ * client; bits [35-32] are for priority 8 client. The clients are assigned
+ * the following IDs: 0-management; 1-debug traffic from this port; 2-debug
+ * traffic from other port; 3-COS0 traffic; 4-COS1 traffic; 5-COS2 traffic;
+ * 6-COS3 traffic; 7-COS4 traffic; 8-COS5 traffic. The reset value[35:0] is
+ * set to 0x345678021. This is a new register (with 2_) added in E3 B0 to
+ * accommodate the 9 input clients to ETS arbiter. */
+#define NIG_REG_P0_TX_ARB_PRIORITY_CLIENT2_MSB 0x18684
#define NIG_REG_P1_MAC_IN_EN 0x185c0
/* [RW 1] Output enable for TX MAC interface */
#define NIG_REG_P1_MAC_OUT_EN 0x185c4
* traffic; 6-COS3 traffic; 7-COS4 traffic; 8-COS5 traffic. Default value is
* 0 for not using WFQ credit blocking. */
#define NIG_REG_P1_TX_ARB_CLIENT_IS_SUBJECT2WFQ 0x18238
+#define NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_0 0x18258
+#define NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_1 0x1825c
+#define NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_2 0x18260
+#define NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_3 0x18264
+#define NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_4 0x18268
+#define NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 0x186f4
+/* [RW 32] Specify the weight (in bytes) to be added to credit register 0
+ * when it is time to increment. */
+#define NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_0 0x18244
+#define NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_1 0x18248
+#define NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_2 0x1824c
+#define NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_3 0x18250
+#define NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_4 0x18254
+#define NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 0x186f0
+/* [RW 12] Specify the number of strict priority arbitration slots between
+ two round-robin arbitration slots to avoid starvation. A value of 0 means
+ no strict priority cycles - the strict priority with anti-starvation
+ arbiter becomes a round-robin arbiter. */
+#define NIG_REG_P1_TX_ARB_NUM_STRICT_ARB_SLOTS 0x18240
+/* [RW 32] Specify the client number to be assigned to each priority of the
+ strict priority arbiter. This register specifies bits 31:0 of the 36-bit
+ value. Priority 0 is the highest priority. Bits [3:0] are for priority 0
+ client; bits [35-32] are for priority 8 client. The clients are assigned
+ the following IDs: 0-management; 1-debug traffic from this port; 2-debug
+ traffic from other port; 3-COS0 traffic; 4-COS1 traffic; 5-COS2 traffic;
+ 6-COS3 traffic; 7-COS4 traffic; 8-COS5 traffic. The reset value[35:0] is
+ set to 0x345678021. This is a new register (with 2_) added in E3 B0 to
+ accommodate the 9 input clients to ETS arbiter. Note that this register
+ is the same as the one for port 0, except that port 1 only has COS 0-2
+ traffic. There is no traffic for COS 3-5 of port 1. */
+#define NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_LSB 0x186e0
+/* [RW 4] Specify the client number to be assigned to each priority of the
+ strict priority arbiter. This register specifies bits 35:32 of the 36-bit
+ value. Priority 0 is the highest priority. Bits [3:0] are for priority 0
+ client; bits [35-32] are for priority 8 client. The clients are assigned
+ the following IDs: 0-management; 1-debug traffic from this port; 2-debug
+ traffic from other port; 3-COS0 traffic; 4-COS1 traffic; 5-COS2 traffic;
+ 6-COS3 traffic; 7-COS4 traffic; 8-COS5 traffic. The reset value[35:0] is
+ set to 0x345678021. This is a new register (with 2_) added in E3 B0 to
+ accommodate the 9 input clients to ETS arbiter. Note that this register
+ is the same as the one for port 0, except that port 1 only has COS 0-2
+ traffic. There is no traffic for COS 3-5 of port 1. */
+#define NIG_REG_P1_TX_ARB_PRIORITY_CLIENT2_MSB 0x186e4
+/* [R 1] TX FIFO for transmitting data to MAC is empty. */
+#define NIG_REG_P1_TX_MACFIFO_EMPTY 0x18594
+/* [R 1] FIFO empty status of the MCP TX FIFO used for storing MCP packets
+ forwarded to the host. */
+#define NIG_REG_P1_TX_MNG_HOST_FIFO_EMPTY 0x182b8
/* [RW 32] Specify the upper bound that credit register 0 is allowed to
* reach. */
/* [RW 1] Pause enable for port0. This register may get 1 only when
#define NIG_STATUS_INTERRUPT_PORT0_REG_STATUS_XGXS0_LINK_STATUS_SIZE 18
/* [RW 31] The upper bound of the weight of COS0 in the ETS command arbiter. */
#define PBF_REG_COS0_UPPER_BOUND 0x15c05c
+/* [RW 31] The upper bound of the weight of COS0 in the ETS command arbiter
+ * of port 0. */
+#define PBF_REG_COS0_UPPER_BOUND_P0 0x15c2cc
+/* [RW 31] The upper bound of the weight of COS0 in the ETS command arbiter
+ * of port 1. */
+#define PBF_REG_COS0_UPPER_BOUND_P1 0x15c2e4
/* [RW 31] The weight of COS0 in the ETS command arbiter. */
#define PBF_REG_COS0_WEIGHT 0x15c054
+/* [RW 31] The weight of COS0 in port 0 ETS command arbiter. */
+#define PBF_REG_COS0_WEIGHT_P0 0x15c2a8
+/* [RW 31] The weight of COS0 in port 1 ETS command arbiter. */
+#define PBF_REG_COS0_WEIGHT_P1 0x15c2c0
/* [RW 31] The upper bound of the weight of COS1 in the ETS command arbiter. */
#define PBF_REG_COS1_UPPER_BOUND 0x15c060
/* [RW 31] The weight of COS1 in the ETS command arbiter. */
#define PBF_REG_COS1_WEIGHT 0x15c058
+/* [RW 31] The weight of COS1 in port 0 ETS command arbiter. */
+#define PBF_REG_COS1_WEIGHT_P0 0x15c2ac
+/* [RW 31] The weight of COS1 in port 1 ETS command arbiter. */
+#define PBF_REG_COS1_WEIGHT_P1 0x15c2c4
+/* [RW 31] The weight of COS2 in port 0 ETS command arbiter. */
+#define PBF_REG_COS2_WEIGHT_P0 0x15c2b0
+/* [RW 31] The weight of COS2 in port 1 ETS command arbiter. */
+#define PBF_REG_COS2_WEIGHT_P1 0x15c2c8
+/* [RW 31] The weight of COS3 in port 0 ETS command arbiter. */
+#define PBF_REG_COS3_WEIGHT_P0 0x15c2b4
+/* [RW 31] The weight of COS4 in port 0 ETS command arbiter. */
+#define PBF_REG_COS4_WEIGHT_P0 0x15c2b8
+/* [RW 31] The weight of COS5 in port 0 ETS command arbiter. */
+#define PBF_REG_COS5_WEIGHT_P0 0x15c2bc
/* [R 11] Current credit for the LB queue in the tx port buffers in 16 byte
* lines. */
#define PBF_REG_CREDIT_LB_Q 0x140338
current task in process). */
#define PBF_REG_DISABLE_NEW_TASK_PROC_P4 0x14006c
#define PBF_REG_DISABLE_PF 0x1402e8
+/* [RW 18] For port 0: For each client that is subject to WFQ (the
+ * corresponding bit is 1); indicates to which of the credit registers this
+ * client is mapped. For clients which are not credit blocked; their mapping
+ * is dont care. */
+#define PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P0 0x15c288
+/* [RW 9] For port 1: For each client that is subject to WFQ (the
+ * corresponding bit is 1); indicates to which of the credit registers this
+ * client is mapped. For clients which are not credit blocked; their mapping
+ * is dont care. */
+#define PBF_REG_ETS_ARB_CLIENT_CREDIT_MAP_P1 0x15c28c
+/* [RW 6] For port 0: Bit per client to indicate if the client competes in
+ * the strict priority arbiter directly (corresponding bit = 1); or first
+ * goes to the RR arbiter (corresponding bit = 0); and then competes in the
+ * lowest priority in the strict-priority arbiter. */
+#define PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P0 0x15c278
+/* [RW 3] For port 1: Bit per client to indicate if the client competes in
+ * the strict priority arbiter directly (corresponding bit = 1); or first
+ * goes to the RR arbiter (corresponding bit = 0); and then competes in the
+ * lowest priority in the strict-priority arbiter. */
+#define PBF_REG_ETS_ARB_CLIENT_IS_STRICT_P1 0x15c27c
+/* [RW 6] For port 0: Bit per client to indicate if the client is subject to
+ * WFQ credit blocking (corresponding bit = 1). */
+#define PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P0 0x15c280
+/* [RW 3] For port 0: Bit per client to indicate if the client is subject to
+ * WFQ credit blocking (corresponding bit = 1). */
+#define PBF_REG_ETS_ARB_CLIENT_IS_SUBJECT2WFQ_P1 0x15c284
+/* [RW 16] For port 0: The number of strict priority arbitration slots
+ * between 2 RR arbitration slots. A value of 0 means no strict priority
+ * cycles; i.e. the strict-priority w/ anti-starvation arbiter is a RR
+ * arbiter. */
+#define PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P0 0x15c2a0
+/* [RW 16] For port 1: The number of strict priority arbitration slots
+ * between 2 RR arbitration slots. A value of 0 means no strict priority
+ * cycles; i.e. the strict-priority w/ anti-starvation arbiter is a RR
+ * arbiter. */
+#define PBF_REG_ETS_ARB_NUM_STRICT_ARB_SLOTS_P1 0x15c2a4
+/* [RW 18] For port 0: Indicates which client is connected to each priority
+ * in the strict-priority arbiter. Priority 0 is the highest priority, and
+ * priority 5 is the lowest; to which the RR output is connected to (this is
+ * not configurable). */
+#define PBF_REG_ETS_ARB_PRIORITY_CLIENT_P0 0x15c270
+/* [RW 9] For port 1: Indicates which client is connected to each priority
+ * in the strict-priority arbiter. Priority 0 is the highest priority, and
+ * priority 5 is the lowest; to which the RR output is connected to (this is
+ * not configurable). */
+#define PBF_REG_ETS_ARB_PRIORITY_CLIENT_P1 0x15c274
/* [RW 1] Indicates that ETS is performed between the COSes in the command
* arbiter. If reset strict priority w/ anti-starvation will be performed
* w/o WFQ. */
projects / cascardo / linux.git / commitdiff