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Date: Sun, 30 Dec 2012 21:57:10 +0200
From: "Ariel Elior" <ariele@...adcom.com>
To: "David Miller" <davem@...emloft.net>
cc: netdev <netdev@...r.kernel.org>,
"Ariel Elior" <ariele@...adcom.com>,
"Eilon Greenstein" <eilong@...adcom.com>
Subject: [PATCH net-next v4 10/22] bnx2x: Prepare device and initialize
VF database
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@...adcom.com>
Signed-off-by: Eilon Greenstein <eilong@...adcom.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h | 10 +
drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 5 +-
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 | 38 ++
8 files changed, 535 insertions(+), 51 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 027a4a3..af34ee3 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1633,6 +1633,10 @@ 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 */
@@ -1847,12 +1851,14 @@ 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);
@@ -1864,6 +1870,7 @@ 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,
@@ -1888,6 +1895,9 @@ 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 18baf75..e8bb146 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -27,8 +27,7 @@
#include "bnx2x_cmn.h"
#include "bnx2x_init.h"
#include "bnx2x_sp.h"
-
-
+#include "bnx2x_sriov.h"
/**
* bnx2x_move_fp - move content of the fastpath structure.
@@ -2524,7 +2523,7 @@ int bnx2x_nic_load(struct bnx2x *bp, int load_mode)
/* Init per-function objects */
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 6b0add2..9ee67fa 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 47e6f49..7a40be8 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -1171,7 +1171,7 @@ 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;
@@ -6269,49 +6269,6 @@ 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);
@@ -6568,6 +6525,8 @@ 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);
@@ -7053,15 +7012,14 @@ 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 */
@@ -7357,6 +7315,9 @@ 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);
@@ -9459,7 +9420,7 @@ 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 00e4398..cefe448 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 f92bf8b..d833a2d 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -19,7 +19,36 @@
*/
#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;
@@ -272,6 +301,376 @@ 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 */
+}
+
+/* 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%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %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;
+}
/* called by bnx2x_init_hw_func, returns the next ilt line */
int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
index 97275aa..0e521b0 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h
@@ -179,6 +179,25 @@ 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;
@@ -200,6 +219,29 @@ 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;
@@ -239,11 +281,25 @@ 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 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 55dd6a9..d1a8644 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
@@ -78,3 +78,41 @@ 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);
+}
--
1.7.9.GIT
--
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