netxen: add netxen_nic_ctx.c

Contains rx and tx ring context management and certain
firmware commands for netxen firmware v4.0.0+.

This patch gathers all HW context management code into
netxen_nic_ctx.c.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 0 insertions, 243 deletions

diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c
index fde8c6f1c9f5..d46b4dff783d 100644
--- a/drivers/net/netxen/netxen_nic_hw.c
+++ b/drivers/net/netxen/netxen_nic_hw.c
@@ -280,80 +280,6 @@ static unsigned crb_hub_agt[64] =
 	0,
 };
 
-struct netxen_recv_crb recv_crb_registers[] = {
-	/*
-	 * Instance 0.
-	 */
-	{
-		/* crb_rcv_producer: */
-		{
-			NETXEN_NIC_REG(0x100),
-			/* Jumbo frames */
-			NETXEN_NIC_REG(0x110),
-			/* LRO */
-			NETXEN_NIC_REG(0x120)
-		},
-		/* crb_sts_consumer: */
-		NETXEN_NIC_REG(0x138),
-	},
-	/*
-	 * Instance 1,
-	 */
-	{
-		/* crb_rcv_producer: */
-		{
-			NETXEN_NIC_REG(0x144),
-			/* Jumbo frames */
-			NETXEN_NIC_REG(0x154),
-			/* LRO */
-			NETXEN_NIC_REG(0x164)
-		},
-		/* crb_sts_consumer: */
-		NETXEN_NIC_REG(0x17c),
-	},
-	/*
-	 * Instance 2,
-	 */
-	{
-		/* crb_rcv_producer: */
-		{
-			NETXEN_NIC_REG(0x1d8),
-			/* Jumbo frames */
-			NETXEN_NIC_REG(0x1f8),
-			/* LRO */
-			NETXEN_NIC_REG(0x208)
-		},
-		/* crb_sts_consumer: */
-		NETXEN_NIC_REG(0x220),
-	},
-	/*
-	 * Instance 3,
-	 */
-	{
-		/* crb_rcv_producer: */
-		{
-			NETXEN_NIC_REG(0x22c),
-			/* Jumbo frames */
-			NETXEN_NIC_REG(0x23c),
-			/* LRO */
-			NETXEN_NIC_REG(0x24c)
-		},
-		/* crb_sts_consumer: */
-		NETXEN_NIC_REG(0x264),
-	},
-};
-
-static u64 ctx_addr_sig_regs[][3] = {
-	{NETXEN_NIC_REG(0x188), NETXEN_NIC_REG(0x18c), NETXEN_NIC_REG(0x1c0)},
-	{NETXEN_NIC_REG(0x190), NETXEN_NIC_REG(0x194), NETXEN_NIC_REG(0x1c4)},
-	{NETXEN_NIC_REG(0x198), NETXEN_NIC_REG(0x19c), NETXEN_NIC_REG(0x1c8)},
-	{NETXEN_NIC_REG(0x1a0), NETXEN_NIC_REG(0x1a4), NETXEN_NIC_REG(0x1cc)}
-};
-#define CRB_CTX_ADDR_REG_LO(FUNC_ID)		(ctx_addr_sig_regs[FUNC_ID][0])
-#define CRB_CTX_ADDR_REG_HI(FUNC_ID)		(ctx_addr_sig_regs[FUNC_ID][2])
-#define CRB_CTX_SIGNATURE_REG(FUNC_ID)		(ctx_addr_sig_regs[FUNC_ID][1])
-
-
 /*  PCI Windowing for DDR regions.  */
 
 #define ADDR_IN_RANGE(addr, low, high)	\
@@ -368,10 +294,6 @@ static u64 ctx_addr_sig_regs[][3] = {
 #define NETXEN_NIU_HDRSIZE	(0x1 << 6)
 #define NETXEN_NIU_TLRSIZE	(0x1 << 5)
 
-#define lower32(x)		((u32)((x) & 0xffffffff))
-#define upper32(x)			\
-	((u32)(((unsigned long long)(x) >> 32) & 0xffffffff))
-
 #define NETXEN_NIC_ZERO_PAUSE_ADDR     0ULL
 #define NETXEN_NIC_UNIT_PAUSE_ADDR     0x200ULL
 #define NETXEN_NIC_EPG_PAUSE_ADDR1     0x2200010000c28001ULL
@@ -556,171 +478,6 @@ int netxen_nic_change_mtu(struct net_device *netdev, int mtu)
 	return 0;
 }
 
-/*
- * check if the firmware has been downloaded and ready to run  and
- * setup the address for the descriptors in the adapter
- */
-int netxen_alloc_hw_resources(struct netxen_adapter *adapter)
-{
-	struct netxen_hardware_context *hw = &adapter->ahw;
-	u32 state = 0;
-	void *addr;
-	int err = 0;
-	int ctx, ring;
-	struct netxen_recv_context *recv_ctx;
-	struct netxen_rcv_desc_ctx *rcv_desc;
-	int func_id = adapter->portnum;
-
-	err = netxen_receive_peg_ready(adapter);
-	if (err) {
-		printk(KERN_ERR "Rcv Peg initialization not complete:%x.\n",
-				state);
-		return err;
-	}
-	adapter->intr_scheme = adapter->pci_read_normalize(adapter,
-			CRB_NIC_CAPABILITIES_FW);
-	adapter->msi_mode = adapter->pci_read_normalize(adapter,
-			CRB_NIC_MSI_MODE_FW);
-
-	addr = pci_alloc_consistent(adapter->pdev,
-			    sizeof(struct netxen_ring_ctx) + sizeof(uint32_t),
-			    &adapter->ctx_desc_phys_addr);
-
-	if (addr == NULL) {
-		DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
-		err = -ENOMEM;
-		return err;
-	}
-	memset(addr, 0, sizeof(struct netxen_ring_ctx));
-	adapter->ctx_desc = (struct netxen_ring_ctx *)addr;
-	adapter->ctx_desc->ctx_id = cpu_to_le32(adapter->portnum);
-	adapter->ctx_desc->cmd_consumer_offset =
-	    cpu_to_le64(adapter->ctx_desc_phys_addr +
-			sizeof(struct netxen_ring_ctx));
-	adapter->cmd_consumer = (__le32 *) (((char *)addr) +
-					      sizeof(struct netxen_ring_ctx));
-
-	addr = pci_alloc_consistent(adapter->pdev,
-			    sizeof(struct cmd_desc_type0) *
-			    adapter->max_tx_desc_count,
-			    &hw->cmd_desc_phys_addr);
-
-	if (addr == NULL) {
-		DPRINTK(ERR, "bad return from pci_alloc_consistent\n");
-		netxen_free_hw_resources(adapter);
-		return -ENOMEM;
-	}
-
-	adapter->ctx_desc->cmd_ring_addr =
-		cpu_to_le64(hw->cmd_desc_phys_addr);
-	adapter->ctx_desc->cmd_ring_size =
-		cpu_to_le32(adapter->max_tx_desc_count);
-
-	hw->cmd_desc_head = (struct cmd_desc_type0 *)addr;
-
-	for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
-		recv_ctx = &adapter->recv_ctx[ctx];
-
-		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
-			rcv_desc = &recv_ctx->rcv_desc[ring];
-			addr = pci_alloc_consistent(adapter->pdev,
-					    RCV_DESC_RINGSIZE,
-					    &rcv_desc->phys_addr);
-			if (addr == NULL) {
-				DPRINTK(ERR, "bad return from "
-					"pci_alloc_consistent\n");
-				netxen_free_hw_resources(adapter);
-				err = -ENOMEM;
-				return err;
-			}
-			rcv_desc->desc_head = (struct rcv_desc *)addr;
-			adapter->ctx_desc->rcv_ctx[ring].rcv_ring_addr =
-			    cpu_to_le64(rcv_desc->phys_addr);
-			adapter->ctx_desc->rcv_ctx[ring].rcv_ring_size =
-			    cpu_to_le32(rcv_desc->max_rx_desc_count);
-			rcv_desc->crb_rcv_producer =
-				    recv_crb_registers[adapter->portnum].
-				    crb_rcv_producer[ring];
-		}
-
-		addr = pci_alloc_consistent(adapter->pdev, STATUS_DESC_RINGSIZE,
-				    &recv_ctx->rcv_status_desc_phys_addr);
-		if (addr == NULL) {
-			DPRINTK(ERR, "bad return from"
-				" pci_alloc_consistent\n");
-			netxen_free_hw_resources(adapter);
-			err = -ENOMEM;
-			return err;
-		}
-		recv_ctx->rcv_status_desc_head = (struct status_desc *)addr;
-		adapter->ctx_desc->sts_ring_addr =
-		    cpu_to_le64(recv_ctx->rcv_status_desc_phys_addr);
-		adapter->ctx_desc->sts_ring_size =
-		    cpu_to_le32(adapter->max_rx_desc_count);
-		recv_ctx->crb_sts_consumer =
-			recv_crb_registers[adapter->portnum].crb_sts_consumer;
-
-	}
-	/* Window = 1 */
-
-	adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_LO(func_id),
-			lower32(adapter->ctx_desc_phys_addr));
-	adapter->pci_write_normalize(adapter, CRB_CTX_ADDR_REG_HI(func_id),
-			upper32(adapter->ctx_desc_phys_addr));
-	adapter->pci_write_normalize(adapter, CRB_CTX_SIGNATURE_REG(func_id),
-			NETXEN_CTX_SIGNATURE | func_id);
-	return err;
-}
-
-void netxen_free_hw_resources(struct netxen_adapter *adapter)
-{
-	struct netxen_recv_context *recv_ctx;
-	struct netxen_rcv_desc_ctx *rcv_desc;
-	int ctx, ring;
-
-	if (adapter->ctx_desc != NULL) {
-		pci_free_consistent(adapter->pdev,
-				    sizeof(struct netxen_ring_ctx) +
-				    sizeof(uint32_t),
-				    adapter->ctx_desc,
-				    adapter->ctx_desc_phys_addr);
-		adapter->ctx_desc = NULL;
-	}
-
-	if (adapter->ahw.cmd_desc_head != NULL) {
-		pci_free_consistent(adapter->pdev,
-				    sizeof(struct cmd_desc_type0) *
-				    adapter->max_tx_desc_count,
-				    adapter->ahw.cmd_desc_head,
-				    adapter->ahw.cmd_desc_phys_addr);
-		adapter->ahw.cmd_desc_head = NULL;
-	}
-
-	for (ctx = 0; ctx < MAX_RCV_CTX; ++ctx) {
-		recv_ctx = &adapter->recv_ctx[ctx];
-		for (ring = 0; ring < NUM_RCV_DESC_RINGS; ring++) {
-			rcv_desc = &recv_ctx->rcv_desc[ring];
-
-			if (rcv_desc->desc_head != NULL) {
-				pci_free_consistent(adapter->pdev,
-						    RCV_DESC_RINGSIZE,
-						    rcv_desc->desc_head,
-						    rcv_desc->phys_addr);
-				rcv_desc->desc_head = NULL;
-			}
-		}
-
-		if (recv_ctx->rcv_status_desc_head != NULL) {
-			pci_free_consistent(adapter->pdev,
-					    STATUS_DESC_RINGSIZE,
-					    recv_ctx->rcv_status_desc_head,
-					    recv_ctx->
-					    rcv_status_desc_phys_addr);
-			recv_ctx->rcv_status_desc_head = NULL;
-		}
-	}
-}
-
 void netxen_tso_check(struct netxen_adapter *adapter,
 		      struct cmd_desc_type0 *desc, struct sk_buff *skb)
 {