[PATCH 15/18] i40e: support of Fortpark FPGA

[Helin Zhang <helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

To support Fortpark FPGA devices, all device IDs and MAC types of
FPGA were added. Also, special configurations and processings for
FPGA were added.

Signed-off-by: Helin Zhang <helin.zhang-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 lib/librte_pmd_i40e/i40e/i40e_adminq.c    |  11 +++
 lib/librte_pmd_i40e/i40e/i40e_common.c    | 123 +++++++++++++++++++++++++++++-
 lib/librte_pmd_i40e/i40e/i40e_osdep.h     |  62 +++++++++++++++
 lib/librte_pmd_i40e/i40e/i40e_prototype.h |   1 +
 lib/librte_pmd_i40e/i40e/i40e_type.h      |   1 +
 5 files changed, 197 insertions(+), 1 deletion(-)

diff --git a/lib/librte_pmd_i40e/i40e/i40e_adminq.c b/lib/librte_pmd_i40e/i40e/i40e_adminq.c
index 8f9e870..0fd8ca9 100644
--- a/lib/librte_pmd_i40e/i40e/i40e_adminq.c
+++ b/lib/librte_pmd_i40e/i40e/i40e_adminq.c
@@ -582,6 +582,14 @@ enum i40e_status_code i40e_init_adminq(struct i40e_hw *hw)
 	/* setup ASQ command write back timeout */
 	hw->aq.asq_cmd_timeout = I40E_ASQ_CMD_TIMEOUT;
 
+	/* emulator and FPGA needs a longer write back timeout
+	 * (exclude FVL FPGA/FVL Blank Flash Si DeviceID)
+	 */
+	if ((hw->device_id == I40E_DEV_ID_BVL_I40Q) ||
+	    (hw->device_id == I40E_DEV_ID_FPK_FPGA) ||
+	    (hw->device_id == I40E_DEV_ID_FPK_FPGA_VF))
+		hw->aq.asq_cmd_timeout = I40E_ASQ_CMD_TIMEOUT_FPGA;
+
 	/* allocate the ASQ */
 	ret_code = i40e_init_asq(hw);
 	if (ret_code != I40E_SUCCESS)
@@ -868,6 +876,9 @@ enum i40e_status_code i40e_asq_send_command(struct i40e_hw *hw,
 	i40e_debug(hw, I40E_DEBUG_AQ_MESSAGE, "AQTX: desc and buffer:\n");
 	i40e_debug_aq(hw, I40E_DEBUG_AQ_COMMAND, (void *)desc_on_ring,
 		      buff, buff_size);
+	/* To increase stability */
+	if (hw->mac.is_fpga)
+		i40e_msec_delay(10);
 	(hw->aq.asq.next_to_use)++;
 	if (hw->aq.asq.next_to_use == hw->aq.asq.count)
 		hw->aq.asq.next_to_use = 0;
diff --git a/lib/librte_pmd_i40e/i40e/i40e_common.c b/lib/librte_pmd_i40e/i40e/i40e_common.c
index b6ca288..0ae88b8 100644
--- a/lib/librte_pmd_i40e/i40e/i40e_common.c
+++ b/lib/librte_pmd_i40e/i40e/i40e_common.c
@@ -799,6 +799,15 @@ enum i40e_status_code i40e_init_shared_code(struct i40e_hw *hw)
 	else
 		hw->pf_id = (u8)(func_rid & 0x7);
 
+	/* Check if we are working with FPGA */
+	if ((hw->device_id == I40E_DEV_ID_FPGA_A) ||
+	    (hw->device_id == I40E_DEV_ID_FPGA_A_VF))
+		hw->mac.is_fpga = true;
+
+	if ((hw->device_id == I40E_DEV_ID_FPK_FPGA) ||
+	    (hw->device_id == I40E_DEV_ID_FPK_FPGA_VF))
+		hw->mac.is_fpga = true;
+
 	status = i40e_init_nvm(hw);
 	return status;
 }
@@ -875,6 +884,21 @@ enum i40e_status_code i40e_get_mac_addr(struct i40e_hw *hw, u8 *mac_addr)
 
 	status = i40e_aq_mac_address_read(hw, &flags, &addrs, NULL);
 
+	/* try the obsolete command if we are working with older FPGA or BVL */
+	if ((status != I40E_SUCCESS) &&
+	    (hw->aq.asq_last_status == I40E_AQ_RC_ESRCH) &&
+	    (hw->mac.is_fpga)) {
+		struct i40e_aq_desc desc;
+		struct i40e_aqc_mng_laa *cmd_resp =
+			(struct i40e_aqc_mng_laa *)&desc.params.raw;
+
+		i40e_fill_default_direct_cmd_desc(&desc, i40e_aqc_opc_mng_laa);
+		status = i40e_asq_send_command(hw, &desc, NULL, 0, NULL);
+
+		memcpy(&mac_addr[0], &cmd_resp->sal, 4);
+		memcpy(&mac_addr[4], &cmd_resp->sah, 2);
+	}
+
 	if (flags & I40E_AQC_LAN_ADDR_VALID)
 		memcpy(mac_addr, &addrs.pf_lan_mac, sizeof(addrs.pf_lan_mac));
 
@@ -1062,6 +1086,21 @@ enum i40e_status_code i40e_pf_reset(struct i40e_hw *hw)
 	u32 reg = 0;
 	u32 grst_del;
 
+	if (hw->mac.is_fpga) {
+		/* turn on Address Translation and protection */
+		reg = rd32(hw, I40E_GLGEN_CSR_DEBUG_C);
+		reg |= I40E_GLGEN_CSR_DEBUG_C_CSR_ADDR_PROT_MASK;
+		wr32(hw, I40E_GLGEN_CSR_DEBUG_C, reg);
+
+		/* NVM work around - force 0x8 into the GLGEN_RSTCTL reset
+		 * delay
+		 */
+		grst_del = rd32(hw, I40E_GLGEN_RSTCTL);
+		grst_del &= ~I40E_GLGEN_RSTCTL_GRSTDEL_MASK;
+		grst_del |= (0x8 << I40E_GLGEN_RSTCTL_GRSTDEL_SHIFT);
+		wr32(hw, I40E_GLGEN_RSTCTL, grst_del);
+	}
+
 	/* Poll for Global Reset steady state in case of recent GRST.
 	 * The grst delay value is in 100ms units, and we'll wait a
 	 * couple counts longer to be sure we don't just miss the end.
@@ -1110,6 +1149,8 @@ enum i40e_status_code i40e_pf_reset(struct i40e_hw *hw)
 			reg = rd32(hw, I40E_PFGEN_CTRL);
 			if (!(reg & I40E_PFGEN_CTRL_PFSWR_MASK))
 				break;
+			if (hw->mac.is_fpga)
+				i40e_msec_delay(500);
 			i40e_msec_delay(1);
 		}
 		if (reg & I40E_PFGEN_CTRL_PFSWR_MASK) {
@@ -1118,6 +1159,10 @@ enum i40e_status_code i40e_pf_reset(struct i40e_hw *hw)
 		}
 	}
 
+	/*  wait a lonnnnnng time */
+	if (hw->mac.is_fpga)
+		i40e_msec_delay(2000);
+
 	i40e_clear_pxe_mode(hw);
 
 
@@ -1228,8 +1273,14 @@ void i40e_clear_pxe_mode(struct i40e_hw *hw)
 {
 	u32 reg;
 
-	if (i40e_check_asq_alive(hw))
+	/* Clear single descriptor fetch/write-back mode */
+	if (hw->mac.is_fpga) {
+		reg = rd32(hw, I40E_GLLAN_RCTL_0);
+		wr32(hw, I40E_GLLAN_RCTL_0, (reg |
+					   (I40E_GLLAN_RCTL_0_PXE_MODE_MASK)));
+	} else if (i40e_check_asq_alive(hw)) {
 		i40e_aq_clear_pxe_mode(hw, NULL);
+	}
 }
 
 /**
@@ -1444,6 +1495,10 @@ enum i40e_status_code i40e_aq_set_phy_config(struct i40e_hw *hw,
 
 	*cmd = *config;
 
+	/* The PHY config cannot be set on the FPGA */
+	if (hw->mac.is_fpga)
+		return I40E_SUCCESS;
+
 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
 
 	return status;
@@ -1650,6 +1705,18 @@ enum i40e_status_code i40e_aq_get_link_info(struct i40e_hw *hw,
 		command_flags = I40E_AQ_LSE_DISABLE;
 	resp->command_flags = CPU_TO_LE16(command_flags);
 
+	/* The PHY is not to be read on the FPGA, so lie about some defaults
+	 * based on what we know is true about the FPGA
+	 */
+	if (hw->mac.is_fpga) {
+		hw_link_info->phy_type = I40E_PHY_TYPE_1000BASE_T;
+		hw->phy.media_type = i40e_get_media_type(hw);
+		hw_link_info->link_speed = I40E_LINK_SPEED_1GB;
+		hw_link_info->an_info = I40E_AQ_QUALIFIED_MODULE;
+
+		return I40E_SUCCESS;
+	}
+
 	status = i40e_asq_send_command(hw, &desc, NULL, 0, cmd_details);
 
 	if (status != I40E_SUCCESS)
@@ -5115,6 +5182,60 @@ void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status)
 }
 
 /**
+ * i40e_configure_hw
+ * @hw: pointer to the hardware structure
+ *
+ * Configure HW for FPGA
+ **/
+enum i40e_status_code i40e_configure_hw(struct i40e_hw *hw)
+{
+	enum i40e_status_code status = I40E_SUCCESS;
+	u32 base_idx;
+	u32 size;
+	u32 reg;
+
+	base_idx = hw->pf_id & 0xFFF;
+	size = ((1 << 16) & 0x1FFF0000);
+	reg = size | base_idx;
+
+	wr32(hw, I40E_GLGEN_RSTCTL, 0x8);
+
+	wr32(hw, I40E_GLHMC_SDPART(hw->pf_id), reg);
+	wr32(hw, I40E_GLHMC_PFASSIGN(hw->pf_id), hw->pf_id);
+	wr32(hw, I40E_GLHMC_PMFTABLE(hw->pf_id), 0x80000000);
+
+	reg = rd32(hw, I40E_GLLAN_TCTL_1);
+	reg &= ~I40E_GLLAN_TCTL_1_TXMAX_EXPANSION_MASK;
+	reg |= (1 << I40E_GLLAN_TCTL_1_TXMAX_EXPANSION_SHIFT);
+	wr32(hw, I40E_GLLAN_TCTL_1, reg);
+	reg = rd32(hw, I40E_GLLAN_TCTL_2);
+	reg &= ~I40E_GLLAN_TCTL_2_TXMAX_EXPANSION_MASK;
+	reg |= (1 << I40E_GLLAN_TCTL_2_TXMAX_EXPANSION_SHIFT);
+	wr32(hw, I40E_GLLAN_TCTL_2, reg);
+
+	/* Check if auto-load succeeded from NVM, otherwise we fail */
+	/* This check is not applicable to Fort Park. */
+	if (hw->mac.type < I40E_MAC_FPK) {
+		reg = rd32(hw, I40E_GLNVM_GENS);
+		if (!(reg & I40E_GLNVM_GENS_NVM_PRES_MASK) ||
+		    !(reg & I40E_GLNVM_GENS_FL_AUTO_RD_MASK)) {
+			/* We are doomed, so just return error and bail */
+			DEBUGOUT("NVM Autoload failed : Error Configuring HW\n");
+			status = I40E_ERR_NVM;
+			return status;
+		}
+		/* Commenting out most of the NVM settings for RSS and FDIR
+		 * for ww16 drop. We still need the FD guaranteed space to be
+		 * programmed for ATR to work. Rest of it is in NVM image.
+		 * UDP RSS is still broken or miss-configured in NVM */
+		/* Allocate the filter table, size=2*32 */
+		wr32(hw, I40E_PFQF_FDALLOC, 2);
+	}
+
+	return status;
+}
+
+/**
  * i40e_read_bw_from_alt_ram
  * @hw: pointer to the hardware structure
  * @max_bw: pointer for max_bw read
diff --git a/lib/librte_pmd_i40e/i40e/i40e_osdep.h b/lib/librte_pmd_i40e/i40e/i40e_osdep.h
index 3ce8057..bf56e0d 100644
--- a/lib/librte_pmd_i40e/i40e/i40e_osdep.h
+++ b/lib/librte_pmd_i40e/i40e/i40e_osdep.h
@@ -47,6 +47,68 @@
 
 #include "../i40e_logs.h"
 
+/* FPGA registers */
+#define I40E_GLGEN_CSR_DEBUG_C                     0x00078E8C /* Reset: POR */
+#define I40E_GLGEN_CSR_DEBUG_C_CSR_ACCESS_EN_SHIFT 0
+#define I40E_GLGEN_CSR_DEBUG_C_CSR_ACCESS_EN_MASK \
+	I40E_MASK(0x1, I40E_GLGEN_CSR_DEBUG_C_CSR_ACCESS_EN_SHIFT)
+#define I40E_GLGEN_CSR_DEBUG_C_CSR_ADDR_PROT_SHIFT 1
+#define I40E_GLGEN_CSR_DEBUG_C_CSR_ADDR_PROT_MASK \
+	I40E_MASK(0x1, I40E_GLGEN_CSR_DEBUG_C_CSR_ADDR_PROT_SHIFT)
+
+#define I40E_GLLAN_TCTL_1                        0x000442F0 /* Reset: CORER */
+#define I40E_GLLAN_TCTL_1_TXMAX_EXPANSION_SHIFT  0
+#define I40E_GLLAN_TCTL_1_TXMAX_EXPANSION_MASK \
+	I40E_MASK(0xF, I40E_GLLAN_TCTL_1_TXMAX_EXPANSION_SHIFT)
+#define I40E_GLLAN_TCTL_1_TXDATARDROEN_SHIFT     4
+#define I40E_GLLAN_TCTL_1_TXDATARDROEN_MASK \
+	I40E_MASK(0x1, I40E_GLLAN_TCTL_1_TXDATARDROEN_SHIFT)
+#define I40E_GLLAN_TCTL_1_RCU_BYPASS_SHIFT       5
+#define I40E_GLLAN_TCTL_1_RCU_BYPASS_MASK \
+	I40E_MASK(0x1, I40E_GLLAN_TCTL_1_RCU_BYPASS_SHIFT)
+#define I40E_GLLAN_TCTL_1_LSO_CACHE_BYPASS_SHIFT 6
+#define I40E_GLLAN_TCTL_1_LSO_CACHE_BYPASS_MASK \
+	I40E_MASK(0x1, I40E_GLLAN_TCTL_1_LSO_CACHE_BYPASS_SHIFT)
+#define I40E_GLLAN_TCTL_1_DBG_WB_SEL_SHIFT       7
+#define I40E_GLLAN_TCTL_1_DBG_WB_SEL_MASK \
+	I40E_MASK(0xF, I40E_GLLAN_TCTL_1_DBG_WB_SEL_SHIFT)
+#define I40E_GLLAN_TCTL_1_DBG_FORCE_RS_SHIFT     11
+#define I40E_GLLAN_TCTL_1_DBG_FORCE_RS_MASK \
+	I40E_MASK(0x1, I40E_GLLAN_TCTL_1_DBG_FORCE_RS_SHIFT)
+#define I40E_GLLAN_TCTL_1_DBG_BYPASS_SHIFT       12
+#define I40E_GLLAN_TCTL_1_DBG_BYPASS_MASK \
+	I40E_MASK(0x3FF, I40E_GLLAN_TCTL_1_DBG_BYPASS_SHIFT)
+#define I40E_GLLAN_TCTL_1_PRE_L2_ENA_SHIFT       22
+#define I40E_GLLAN_TCTL_1_PRE_L2_ENA_MASK \
+	I40E_MASK(0x1, I40E_GLLAN_TCTL_1_PRE_L2_ENA_SHIFT)
+#define I40E_GLLAN_TCTL_1_UR_PROT_DIS_SHIFT      23
+#define I40E_GLLAN_TCTL_1_UR_PROT_DIS_MASK \
+	I40E_MASK(0x1, I40E_GLLAN_TCTL_1_UR_PROT_DIS_SHIFT)
+#define I40E_GLLAN_TCTL_1_DBG_ECO_SHIFT          24
+#define I40E_GLLAN_TCTL_1_DBG_ECO_MASK \
+	I40E_MASK(0xFF, I40E_GLLAN_TCTL_1_DBG_ECO_SHIFT)
+
+#define I40E_GLLAN_TCTL_2                       0x000AE080 /* Reset: CORER */
+#define I40E_GLLAN_TCTL_2_TXMAX_EXPANSION_SHIFT 0
+#define I40E_GLLAN_TCTL_2_TXMAX_EXPANSION_MASK \
+	I40E_MASK(0xF, I40E_GLLAN_TCTL_2_TXMAX_EXPANSION_SHIFT)
+#define I40E_GLLAN_TCTL_2_STAT_DBG_ADDR_SHIFT   4
+#define I40E_GLLAN_TCTL_2_STAT_DBG_ADDR_MASK \
+	I40E_MASK(0x1F, I40E_GLLAN_TCTL_2_STAT_DBG_ADDR_SHIFT)
+#define I40E_GLLAN_TCTL_2_STAT_DBG_DSEL_SHIFT   9
+#define I40E_GLLAN_TCTL_2_STAT_DBG_DSEL_MASK \
+	I40E_MASK(0x7, I40E_GLLAN_TCTL_2_STAT_DBG_DSEL_SHIFT)
+#define I40E_GLLAN_TCTL_2_ECO_SHIFT             12
+#define I40E_GLLAN_TCTL_2_ECO_MASK \
+	I40E_MASK(0xFFFFF, I40E_GLLAN_TCTL_2_ECO_SHIFT)
+
+#define I40E_GLHMC_PMFTABLE(_i) \
+	(0x000C0b00 + ((_i) * 4)) /* _i=0...15 */ /* Reset: CORER */
+#define I40E_GLHMC_PMFTABLE_MAX_INDEX                  15
+#define I40E_GLHMC_PMFTABLE_PM_FCN_TBL_ENTRY_VLD_SHIFT 31
+#define I40E_GLHMC_PMFTABLE_PM_FCN_TBL_ENTRY_VLD_MASK \
+	I40E_MASK(0x1, I40E_GLHMC_PMFTABLE_PM_FCN_TBL_ENTRY_VLD_SHIFT)
+
 #define INLINE inline
 #define STATIC static
 
diff --git a/lib/librte_pmd_i40e/i40e/i40e_prototype.h b/lib/librte_pmd_i40e/i40e/i40e_prototype.h
index 7ef441b..d716735 100644
--- a/lib/librte_pmd_i40e/i40e/i40e_prototype.h
+++ b/lib/librte_pmd_i40e/i40e/i40e_prototype.h
@@ -424,6 +424,7 @@ enum i40e_status_code i40e_nvmupd_command(struct i40e_hw *hw,
 					  struct i40e_nvm_access *cmd,
 					  u8 *bytes, int *);
 void i40e_set_pci_config_data(struct i40e_hw *hw, u16 link_status);
+enum i40e_status_code i40e_configure_hw(struct i40e_hw *hw);
 #endif /* PF_DRIVER */
 
 #if defined(I40E_QV) || defined(VF_DRIVER)
diff --git a/lib/librte_pmd_i40e/i40e/i40e_type.h b/lib/librte_pmd_i40e/i40e/i40e_type.h
index 535694a..634ade2 100644
--- a/lib/librte_pmd_i40e/i40e/i40e_type.h
+++ b/lib/librte_pmd_i40e/i40e/i40e_type.h
@@ -344,6 +344,7 @@ struct i40e_mac_info {
 	u8 san_addr[I40E_ETH_LENGTH_OF_ADDRESS];
 	u8 port_addr[I40E_ETH_LENGTH_OF_ADDRESS];
 	u16 max_fcoeq;
+	bool is_fpga;
 };
 
 enum i40e_aq_resources_ids {
-- 
1.8.1.4