Patchwork [v2,net-next,10/22] bnx2x: Prepare device and initialize VF database

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Submitter Ariel Elior
Date Nov. 15, 2012, 4:47 p.m.
Message ID <1352998067-9707-11-git-send-email-ariele@broadcom.com>
Download mbox | patch
Permalink /patch/199350/
State Changes Requested
Delegated to: David Miller
Headers show

Comments

Ariel Elior - Nov. 15, 2012, 4:47 p.m.
At nic load of the PF, if VFs may be present, prepare the device
for the VFs. Initialize the VF database in preparation of VF arrival.

Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x.h       |   10 +
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c   |    2 +
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h   |    3 +
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c  |   57 +---
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h   |   18 +
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c |  399 +++++++++++++++++++++
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h |   56 +++
 drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c  |   37 ++
 8 files changed, 534 insertions(+), 48 deletions(-)

Patch

diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index f38ff4e..d0d1467 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1634,6 +1634,10 @@  struct bnx2x {
 	int					dcb_version;
 
 	/* CAM credit pools */
+
+	/* used only in sriov */
+	struct bnx2x_credit_pool_obj		vlans_pool;
+
 	struct bnx2x_credit_pool_obj		macs_pool;
 
 	/* RX_MODE object */
@@ -1848,12 +1852,14 @@  int bnx2x_del_all_macs(struct bnx2x *bp,
 
 /* Init Function API  */
 void bnx2x_func_init(struct bnx2x *bp, struct bnx2x_func_init_params *p);
+u32 bnx2x_get_pretend_reg(struct bnx2x *bp);
 int bnx2x_get_gpio(struct bnx2x *bp, int gpio_num, u8 port);
 int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
 int bnx2x_set_mult_gpio(struct bnx2x *bp, u8 pins, u32 mode);
 int bnx2x_set_gpio_int(struct bnx2x *bp, int gpio_num, u32 mode, u8 port);
 void bnx2x_read_mf_cfg(struct bnx2x *bp);
 
+int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val);
 
 /* dmae */
 void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32);
@@ -1865,6 +1871,7 @@  u32 bnx2x_dmae_opcode_clr_src_reset(u32 opcode);
 u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type,
 		      bool with_comp, u8 comp_type);
 
+u8 bnx2x_is_pcie_pending(struct pci_dev *dev);
 
 void bnx2x_calc_fc_adv(struct bnx2x *bp);
 int bnx2x_sp_post(struct bnx2x *bp, int command, int cid,
@@ -1889,6 +1896,9 @@  static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms,
 	return val;
 }
 
+void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id,
+			    bool is_pf);
+
 #define BNX2X_ILT_ZALLOC(x, y, size) \
 	do { \
 		x = dma_alloc_coherent(&bp->pdev->dev, size, y, GFP_KERNEL); \
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index ba51259..859389f 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -29,6 +29,7 @@ 
 #include "bnx2x_sp.h"
 
 
+#include "bnx2x_sriov.h"
 
 /**
  * bnx2x_move_fp - move content of the fastpath structure.
@@ -2520,6 +2521,7 @@  int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
 	if (IS_PF(bp)) {
 		bnx2x_init_bp_objs(bp);
 
+		bnx2x_iov_nic_init(bp);
 
 		/* Set AFEX default VLAN tag to an invalid value */
 		bp->afex_def_vlan_tag = -1;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
index 948949d..f6e92ac 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h
@@ -1106,6 +1106,9 @@  static inline void bnx2x_init_bp_objs(struct bnx2x *bp)
 	bnx2x_init_mac_credit_pool(bp, &bp->macs_pool, BP_FUNC(bp),
 				   bnx2x_get_path_func_num(bp));
 
+	bnx2x_init_vlan_credit_pool(bp, &bp->vlans_pool, BP_ABS_FUNC(bp)>>1,
+				    bnx2x_get_path_func_num(bp));
+
 	/* RSS configuration object */
 	bnx2x_init_rss_config_obj(bp, &bp->rss_conf_obj, bp->fp->cl_id,
 				  bp->fp->cid, BP_FUNC(bp), BP_FUNC(bp),
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 7472e37..a955b1d 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -1169,7 +1169,7 @@  static int bnx2x_send_final_clnup(struct bnx2x *bp, u8 clnup_func,
 	return ret;
 }
 
-static u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
+u8 bnx2x_is_pcie_pending(struct pci_dev *dev)
 {
 	u16 status;
 
@@ -6254,49 +6254,6 @@  static void bnx2x_setup_fan_failure_detection(struct bnx2x *bp)
 	REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val);
 }
 
-static void bnx2x_pretend_func(struct bnx2x *bp, u8 pretend_func_num)
-{
-	u32 offset = 0;
-
-	if (CHIP_IS_E1(bp))
-		return;
-	if (CHIP_IS_E1H(bp) && (pretend_func_num >= E1H_FUNC_MAX))
-		return;
-
-	switch (BP_ABS_FUNC(bp)) {
-	case 0:
-		offset = PXP2_REG_PGL_PRETEND_FUNC_F0;
-		break;
-	case 1:
-		offset = PXP2_REG_PGL_PRETEND_FUNC_F1;
-		break;
-	case 2:
-		offset = PXP2_REG_PGL_PRETEND_FUNC_F2;
-		break;
-	case 3:
-		offset = PXP2_REG_PGL_PRETEND_FUNC_F3;
-		break;
-	case 4:
-		offset = PXP2_REG_PGL_PRETEND_FUNC_F4;
-		break;
-	case 5:
-		offset = PXP2_REG_PGL_PRETEND_FUNC_F5;
-		break;
-	case 6:
-		offset = PXP2_REG_PGL_PRETEND_FUNC_F6;
-		break;
-	case 7:
-		offset = PXP2_REG_PGL_PRETEND_FUNC_F7;
-		break;
-	default:
-		return;
-	}
-
-	REG_WR(bp, offset, pretend_func_num);
-	REG_RD(bp, offset);
-	DP(NETIF_MSG_HW, "Pretending to func %d\n", pretend_func_num);
-}
-
 void bnx2x_pf_disable(struct bnx2x *bp)
 {
 	u32 val = REG_RD(bp, IGU_REG_PF_CONFIGURATION);
@@ -6549,6 +6506,8 @@  static int bnx2x_init_hw_common(struct bnx2x *bp)
 
 	bnx2x_init_block(bp, BLOCK_DMAE, PHASE_COMMON);
 
+	bnx2x_iov_init_dmae(bp);
+
 	/* clean the DMAE memory */
 	bp->dmae_ready = 1;
 	bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8, 1);
@@ -7034,15 +6993,14 @@  static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr)
 	REG_WR_DMAE(bp, reg, wb_write, 2);
 }
 
-static void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func,
-				   u8 idu_sb_id, bool is_Pf)
+void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, bool is_pf)
 {
 	u32 data, ctl, cnt = 100;
 	u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA;
 	u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL;
 	u32 igu_addr_ack = IGU_REG_CSTORM_TYPE_0_SB_CLEANUP + (idu_sb_id/32)*4;
 	u32 sb_bit =  1 << (idu_sb_id%32);
-	u32 func_encode = func | (is_Pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
+	u32 func_encode = func | (is_pf ? 1 : 0) << IGU_FID_ENCODE_IS_PF_SHIFT;
 	u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + idu_sb_id;
 
 	/* Not supported in BC mode */
@@ -7338,6 +7296,9 @@  static int bnx2x_init_hw_func(struct bnx2x *bp)
 
 	bnx2x_init_block(bp, BLOCK_TM, init_phase);
 	bnx2x_init_block(bp, BLOCK_DORQ, init_phase);
+
+	bnx2x_iov_init_dq(bp);
+
 	bnx2x_init_block(bp, BLOCK_BRB1, init_phase);
 	bnx2x_init_block(bp, BLOCK_PRS, init_phase);
 	bnx2x_init_block(bp, BLOCK_TSDM, init_phase);
@@ -9433,7 +9394,7 @@  period_task_exit:
  * Init service functions
  */
 
-static u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
+u32 bnx2x_get_pretend_reg(struct bnx2x *bp)
 {
 	u32 base = PXP2_REG_PGL_PRETEND_FUNC_F0;
 	u32 stride = PXP2_REG_PGL_PRETEND_FUNC_F1 - base;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
index 236079a..50d825e 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_reg.h
@@ -825,6 +825,7 @@ 
 /* [RW 28] The value sent to CM header in the case of CFC load error. */
 #define DORQ_REG_ERR_CMHEAD					 0x170058
 #define DORQ_REG_IF_EN						 0x170004
+#define DORQ_REG_MAX_RVFID_SIZE				 0x1701ec
 #define DORQ_REG_MODE_ACT					 0x170008
 /* [RW 5] The normal mode CID extraction offset. */
 #define DORQ_REG_NORM_CID_OFST					 0x17002c
@@ -847,6 +848,22 @@ 
    writes the same initial credit to the rspa_crd_cnt and rspb_crd_cnt. The
    read reads this written value. */
 #define DORQ_REG_RSP_INIT_CRD					 0x170048
+#define DORQ_REG_RSPB_CRD_CNT					 0x1700b0
+#define DORQ_REG_VF_NORM_CID_BASE				 0x1701a0
+#define DORQ_REG_VF_NORM_CID_OFST				 0x1701f4
+#define DORQ_REG_VF_NORM_CID_WND_SIZE				 0x1701a4
+#define DORQ_REG_VF_NORM_MAX_CID_COUNT				 0x1701e4
+#define DORQ_REG_VF_NORM_VF_BASE				 0x1701a8
+/* [RW 10] VF type validation mask value */
+#define DORQ_REG_VF_TYPE_MASK_0					 0x170218
+/* [RW 17] VF type validation Min MCID value */
+#define DORQ_REG_VF_TYPE_MAX_MCID_0				 0x1702d8
+/* [RW 17] VF type validation Max MCID value */
+#define DORQ_REG_VF_TYPE_MIN_MCID_0				 0x170298
+/* [RW 10] VF type validation comp value */
+#define DORQ_REG_VF_TYPE_VALUE_0				 0x170258
+#define DORQ_REG_VF_USAGE_CT_LIMIT				 0x170340
+
 /* [RW 4] Initial activity counter value on the load request; when the
    shortcut is done. */
 #define DORQ_REG_SHRT_ACT_CNT					 0x170070
@@ -2571,6 +2588,7 @@ 
    current task in process). */
 #define PBF_REG_DISABLE_NEW_TASK_PROC_P4			 0x14006c
 #define PBF_REG_DISABLE_PF					 0x1402e8
+#define PBF_REG_DISABLE_VF					 0x1402ec
 /* [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
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index cd08ac2..a5675b8 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -18,7 +18,35 @@ 
  */
 #include "bnx2x.h"
 #include "bnx2x_init.h"
+#include "bnx2x_cmn.h"
 #include "bnx2x_sriov.h"
+
+/* General service functions */
+static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid,
+					 u16 pf_id)
+{
+	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid),
+		pf_id);
+	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid),
+		pf_id);
+	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid),
+		pf_id);
+	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid),
+		pf_id);
+}
+
+static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid,
+					u8 enable)
+{
+	REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid),
+		enable);
+	REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid),
+		enable);
+	REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid),
+		enable);
+	REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid),
+		enable);
+}
 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid)
 {
 	int idx;
@@ -263,7 +291,378 @@  failed:
 	__bnx2x_iov_free_vfdb(bp);
 	return err;
 }
+/* VF enable primitives
+ *
+ * when pretend is required the caller is responsible
+ * for calling pretend prior to calling these routines
+ */
+
+/* called only on E1H or E2.
+ * When pretending to be PF, the pretend value is the function number 0...7
+ * When pretending to be VF, the pretend val is the PF-num:VF-valid:ABS-VFID
+ * combination
+ */
+int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val)
+{
+	u32 pretend_reg;
+
+	if (CHIP_IS_E1H(bp) && pretend_func_val > E1H_FUNC_MAX)
+		return -1;
+
+	/* get my own pretend register */
+	pretend_reg = bnx2x_get_pretend_reg(bp);
+	REG_WR(bp, pretend_reg, pretend_func_val);
+	REG_RD(bp, pretend_reg);
+	return 0;
+}
+
+/* internal vf enable - until vf is enabled internally all transactions
+ * are blocked. this routine should always be called last with pretend.
+ */
+static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable)
+{
+	REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0);
+}
+
+/* clears vf error in all semi blocks */
+static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid)
+{
+	REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid);
+	REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid);
+	REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid);
+	REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid);
+}
+
+static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid)
+{
+	u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5;
+	u32 was_err_reg = 0;
+
+	switch (was_err_group) {
+	case 0:
+	    was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR;
+	    break;
+	case 1:
+	    was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR;
+	    break;
+	case 2:
+	    was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR;
+	    break;
+	case 3:
+	    was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR;
+	    break;
+	}
+	REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f));
+}
+
+void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid)
+{
+	/* set the VF-PF association in the FW */
+	storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp));
+	storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1);
+
+	/* clear vf errors*/
+	bnx2x_vf_semi_clear_err(bp, abs_vfid);
+	bnx2x_vf_pglue_clear_err(bp, abs_vfid);
+
+	/* internal vf-enable - pretend */
+	bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid));
+	DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid);
+	bnx2x_vf_enable_internal(bp, true);
+	bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
+}
+
+static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid)
+{
+	struct pci_dev *dev;
+	struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid);
+	if (!vf)
+		goto unknown_dev;
+
+	dev = pci_get_bus_and_slot(vf->bus, vf->devfn);
+	if (dev)
+		return bnx2x_is_pcie_pending(dev);
+
+unknown_dev:
+	BNX2X_ERR("Unknown device\n");
+	return false;
+}
+
+int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid)
+{
+	/* Wait 100ms */
+	msleep(100);
+
+	/* Verify no pending pci transactions */
+	if (bnx2x_vf_is_pcie_pending(bp, abs_vfid))
+		BNX2X_ERR("PCIE Transactions still pending\n");
+
+	return 0;
+}
+
+/* must be called after the number of PF queues and the number of VFs are
+ * both known
+ */
+static void
+bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc)
+{
+	u16 vlan_count = 0;
+
+	/* will be set only during VF-ACQUIRE */
+	resc->num_rxqs = 0;
+	resc->num_txqs = 0;
+
+	/* no credit calculcis for macs (just yet) */
+	resc->num_mac_filters = 1;
+
+	/* divvy up vlan rules */
+	vlan_count = bp->vlans_pool.check(&bp->vlans_pool);
+	vlan_count = 1 << ilog2(vlan_count);
+	resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp);
+
+	/* no real limitation */
+	resc->num_mc_filters = 0;
+
+	/* num_sbs already set */
+}
+
 /* called by bnx2x_init_hw_func, returns the next ilt line */
+
+/* IOV global initialization routines  */
+void bnx2x_iov_init_dq(struct bnx2x *bp)
+{
+	if (!IS_SRIOV(bp))
+		return;
+
+	/* Set the DQ such that the CID reflect the abs_vfid */
+	REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0);
+	REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS));
+
+	/* Set VFs starting CID. If its > 0 the preceding CIDs are belong to
+	 * the PF L2 queues
+	 */
+	REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID);
+
+	/* The VF window size is the log2 of the max number of CIDs per VF */
+	REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND);
+
+	/* The VF doorbell size  0 - *B, 4 - 128B. We set it here to match
+	 * the Pf doorbell size although the 2 are independent.
+	 */
+	REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST,
+	       BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT);
+
+	/* No security checks for now -
+	 * configure single rule (out of 16) mask = 0x1, value = 0x0,
+	 * CID range 0 - 0x1ffff
+	 */
+	REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1);
+	REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0);
+	REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0);
+	REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff);
+
+	/* set the number of VF alllowed doorbells to the full DQ range */
+	REG_WR(bp, DORQ_REG_VF_NORM_MAX_CID_COUNT, 0x20000);
+
+	/* set the VF doorbell threshold */
+	REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4);
+}
+
+void bnx2x_iov_init_dmae(struct bnx2x *bp)
+{
+	DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF");
+	if (!IS_SRIOV(bp))
+		return;
+
+	REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
+}
+
+static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
+{
+	struct pci_dev *dev = bp->pdev;
+	struct bnx2x_sriov *iov = &bp->vfdb->sriov;
+
+	return dev->bus->number + ((dev->devfn + iov->offset +
+				    iov->stride * vfid) >> 8);
+}
+
+static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid)
+{
+	struct pci_dev *dev = bp->pdev;
+	struct bnx2x_sriov *iov = &bp->vfdb->sriov;
+
+	return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff;
+}
+
+static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf)
+{
+	int i, n;
+	struct pci_dev *dev = bp->pdev;
+	struct bnx2x_sriov *iov = &bp->vfdb->sriov;
+
+	for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) {
+		u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i);
+		u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i);
+		do_div(size, iov->total);
+		vf->bars[n].bar = start + size * vf->abs_vfid;
+		vf->bars[n].size = size;
+	}
+}
+
+void bnx2x_iov_free_mem(struct bnx2x *bp)
+{
+	int i;
+
+	if (!IS_SRIOV(bp))
+		return;
+
+	/* free vfs hw contexts */
+	for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
+		struct hw_dma *cxt = &bp->vfdb->context[i];
+		BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size);
+	}
+
+	BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr,
+		       BP_VFDB(bp)->sp_dma.mapping,
+		       BP_VFDB(bp)->sp_dma.size);
+
+	BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr,
+		       BP_VF_MBX_DMA(bp)->mapping,
+		       BP_VF_MBX_DMA(bp)->size);
+}
+
+
+int bnx2x_iov_alloc_mem(struct bnx2x *bp)
+{
+	size_t tot_size;
+	int i, rc = 0;
+
+	if (!IS_SRIOV(bp))
+		return rc;
+
+	/* allocate vfs hw contexts */
+	tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) *
+		BNX2X_CIDS_PER_VF * sizeof(union cdu_context);
+
+	for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) {
+		struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i);
+		cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ);
+
+		if (cxt->size) {
+			BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size);
+		} else {
+			cxt->addr = NULL;
+			cxt->mapping = 0;
+		}
+		tot_size -= cxt->size;
+	}
+
+	/* allocate vfs ramrods dma memory - client_init and set_mac */
+	tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp);
+	BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping,
+			tot_size);
+	BP_VFDB(bp)->sp_dma.size = tot_size;
+
+	/* allocate mailboxes */
+	tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE;
+	BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping,
+			tot_size);
+	BP_VF_MBX_DMA(bp)->size = tot_size;
+
+	return 0;
+
+alloc_mem_err:
+	return -ENOMEM;
+}
+/* called by bnx2x_nic_load */
+int bnx2x_iov_nic_init(struct bnx2x *bp)
+{
+	int vfid, qcount, i;
+
+	if (!IS_SRIOV(bp)) {
+		DP(BNX2X_MSG_IOV, "vfdb was not allocated\n");
+		return 0;
+	}
+
+	DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn);
+
+	/* initialize vf database */
+	for_each_vf(bp, vfid) {
+		struct bnx2x_virtf *vf = BP_VF(bp, vfid);
+
+		int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) *
+			BNX2X_CIDS_PER_VF;
+
+		union cdu_context *base_cxt = (union cdu_context *)
+			BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr +
+			(base_vf_cid & (ILT_PAGE_CIDS-1));
+
+		DP(BNX2X_MSG_IOV,
+		   "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n",
+		   vf->abs_vfid, vf_sb_count(vf), base_vf_cid,
+		   BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt);
+
+		/* init statically provisioned resources */
+		bnx2x_iov_static_resc(bp, &vf->alloc_resc);
+
+		/* queues are initialized during VF-ACQUIRE */
+
+		/* reserve the vf vlan credit */
+		bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf));
+
+		vf->filter_state = 0;
+		vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id);
+
+		/*  init mcast object - This object will be re-initialized
+		 *  during VF-ACQUIRE with the proper cl_id and cid.
+		 *  It needs to be initialized here so that it can be safely
+		 *  handled by a subsequent FLR flow.
+		 */
+		bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF,
+				     0xFF, 0xFF, 0xFF,
+				     bnx2x_vf_sp(bp, vf, mcast_rdata),
+				     bnx2x_vf_sp_map(bp, vf, mcast_rdata),
+				     BNX2X_FILTER_MCAST_PENDING,
+				     &vf->filter_state,
+				     BNX2X_OBJ_TYPE_RX_TX);
+
+		/* set the mailbox message addresses */
+		BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *)
+			(((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid *
+			MBX_MSG_ALIGNED_SIZE);
+
+		BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping +
+			vfid * MBX_MSG_ALIGNED_SIZE;
+
+		/* Enable vf mailbox */
+		bnx2x_vf_enable_mbx(bp, vf->abs_vfid);
+	}
+
+	/* Final VF init */
+	qcount = 0;
+	for_each_vf(bp, i) {
+		struct bnx2x_virtf *vf = BP_VF(bp, i);
+
+		/* fill in the BDF and bars */
+		vf->bus = bnx2x_vf_bus(bp, i);
+		vf->devfn = bnx2x_vf_devfn(bp, i);
+		bnx2x_vf_set_bars(bp, vf);
+
+		DP(BNX2X_MSG_IOV,
+		   "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%08x, %d], bar1 [0x%08x, %d], bar2 [0x%08x, %d]\n",
+		   vf->abs_vfid, vf->bus, vf->devfn,
+		   (unsigned)vf->bars[0].bar, vf->bars[0].size,
+		   (unsigned)vf->bars[1].bar, vf->bars[1].size,
+		   (unsigned)vf->bars[2].bar, vf->bars[2].size);
+
+		/* set local queue arrays */
+		vf->vfqs = &bp->vfdb->vfqs[qcount];
+		qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs);
+	}
+
+	return 0;
+}
+
 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
 {
 	int i;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
index 04925f0..d5e5103 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
@@ -181,6 +181,25 @@  struct bnx2x_virtf {
 #define for_each_vf(bp, var) \
 		for ((var) = 0; (var) < BNX2X_NR_VIRTFN(bp); (var)++)
 
+#define HW_VF_HANDLE(bp, abs_vfid) \
+	(u16)(BP_ABS_FUNC((bp)) | (1<<3) |  ((u16)(abs_vfid) << 4))
+
+#define FW_PF_MAX_HANDLE	8
+
+#define FW_VF_HANDLE(abs_vfid)	\
+	(abs_vfid + FW_PF_MAX_HANDLE)
+
+/* VF mail box (aka vf-pf channel) */
+
+/* a container for the bi-directional vf<-->pf messages.
+ *  The actual response will be placed according to the offset parameter
+ *  provided in the request
+ */
+
+#define MBX_MSG_ALIGN	8
+#define MBX_MSG_ALIGNED_SIZE	(roundup(sizeof(struct bnx2x_vf_mbx_msg), \
+				MBX_MSG_ALIGN))
+
 struct bnx2x_vf_mbx_msg {
 	union vfpf_tlvs req;
 	union pfvf_tlvs resp;
@@ -202,6 +221,29 @@  struct bnx2x_vf_mbx {
 					 */
 };
 
+struct bnx2x_vf_sp {
+	union {
+		struct eth_classify_rules_ramrod_data	e2;
+	} mac_rdata;
+
+	union {
+		struct eth_classify_rules_ramrod_data	e2;
+	} vlan_rdata;
+
+	union {
+		struct eth_filter_rules_ramrod_data	e2;
+	} rx_mode_rdata;
+
+	union {
+		struct eth_multicast_rules_ramrod_data  e2;
+	} mcast_rdata;
+
+	union {
+		struct client_init_ramrod_data  init_data;
+		struct client_update_ramrod_data update_data;
+	} q_data;
+};
+
 struct hw_dma {
 	void *addr;
 	dma_addr_t mapping;
@@ -242,11 +284,25 @@  struct bnx2x_vfdb {
 	u32 flrd_vfs[FLRD_VFS_DWORDS];
 };
 
+static inline u8 vf_igu_sb(struct bnx2x_virtf *vf, u16 sb_idx)
+{
+	return vf->igu_base_id + sb_idx;
+}
+
 /* global iov routines */
 int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line);
 int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, int num_vfs_param);
 void __devexit bnx2x_iov_remove_one(struct bnx2x *bp);
+void bnx2x_iov_free_mem(struct bnx2x *bp);
+int bnx2x_iov_alloc_mem(struct bnx2x *bp);
+int bnx2x_iov_nic_init(struct bnx2x *bp);
+void bnx2x_iov_init_dq(struct bnx2x *bp);
+void bnx2x_iov_init_dmae(struct bnx2x *bp);
+void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid);
 int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid);
+/* VF FLR helpers */
+int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid);
+void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid);
 void bnx2x_add_tlv(struct bnx2x *bp, void *tlvs_list, u16 offset, u16 type,
 		   u16 length);
 void bnx2x_vfpf_prep(struct bnx2x *bp, struct vfpf_first_tlv *first_tlv,
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
index 5bc9016..7259ea5 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
@@ -79,3 +79,40 @@  void bnx2x_dp_tlv_list(struct bnx2x *bp, void *tlvs_list)
 	DP(BNX2X_MSG_IOV, "TLV number %d: type %d, length %d\n", i,
 	   tlv->type, tlv->length);
 }
+
+/* General service functions */
+static void storm_memset_vf_mbx_ack(struct bnx2x *bp, u16 abs_fid)
+{
+	u32 addr = BAR_CSTRORM_INTMEM +
+			CSTORM_VF_PF_CHANNEL_STATE_OFFSET(abs_fid);
+
+	REG_WR8(bp, addr, VF_PF_CHANNEL_STATE_READY);
+}
+
+static void storm_memset_vf_mbx_valid(struct bnx2x *bp, u16 abs_fid)
+{
+	u32 addr = BAR_CSTRORM_INTMEM +
+			CSTORM_VF_PF_CHANNEL_VALID_OFFSET(abs_fid);
+
+	REG_WR8(bp, addr, 1);
+}
+static inline void bnx2x_set_vf_mbxs_valid(struct bnx2x *bp)
+{
+	int i;
+	for_each_vf(bp, i)
+		storm_memset_vf_mbx_valid(bp, bnx2x_vf(bp, i, abs_vfid));
+
+}
+
+/* enable vf_pf mailbox (aka vf-pf-chanell) */
+void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid)
+{
+	bnx2x_vf_flr_clnup_epilog(bp, abs_vfid);
+
+	/* enable the mailbox in the FW */
+	storm_memset_vf_mbx_ack(bp, abs_vfid);
+	storm_memset_vf_mbx_valid(bp, abs_vfid);
+
+	/* enable the VF access to the mailbox */
+	bnx2x_vf_enable_access(bp, abs_vfid);
+}