From: Hemant Agrawal <hemant.agrawal@nxp.com>
To: <dev@dpdk.org>, <olivier.matz@6wind.com>
Cc: <thomas.monjalon@6wind.com>, <shreyansh.jain@nxp.com>,
<ferruh.yigit@intel.com>
Subject: [dpdk-dev] [PATCH v3 19/21] bus/fslmc: add physical-virtual address translation helpers
Date: Sun, 9 Apr 2017 13:20:22 +0530 [thread overview]
Message-ID: <1491724224-6319-20-git-send-email-hemant.agrawal@nxp.com> (raw)
In-Reply-To: <1491724224-6319-1-git-send-email-hemant.agrawal@nxp.com>
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
---
drivers/bus/fslmc/portal/dpaa2_hw_pvt.h | 66 +++++++++++++++++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
index b405af8..41bcf03 100644
--- a/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
+++ b/drivers/bus/fslmc/portal/dpaa2_hw_pvt.h
@@ -173,6 +173,72 @@ struct qbman_fle {
*/
#define DPAA2_EQ_RESP_ALWAYS 1
+#ifdef RTE_LIBRTE_DPAA2_USE_PHYS_IOVA
+static void *dpaa2_mem_ptov(phys_addr_t paddr) __attribute__((unused));
+/* todo - this is costly, need to write a fast coversion routine */
+static void *dpaa2_mem_ptov(phys_addr_t paddr)
+{
+ const struct rte_memseg *memseg = rte_eal_get_physmem_layout();
+ int i;
+
+ for (i = 0; i < RTE_MAX_MEMSEG && memseg[i].addr_64 != 0; i++) {
+ if (paddr >= memseg[i].phys_addr &&
+ (char *)paddr < (char *)memseg[i].phys_addr + memseg[i].len)
+ return (void *)(memseg[i].addr_64
+ + (paddr - memseg[i].phys_addr));
+ }
+ return NULL;
+}
+
+static phys_addr_t dpaa2_mem_vtop(uint64_t vaddr) __attribute__((unused));
+static phys_addr_t dpaa2_mem_vtop(uint64_t vaddr)
+{
+ const struct rte_memseg *memseg = rte_eal_get_physmem_layout();
+ int i;
+
+ for (i = 0; i < RTE_MAX_MEMSEG && memseg[i].addr_64 != 0; i++) {
+ if (vaddr >= memseg[i].addr_64 &&
+ vaddr < memseg[i].addr_64 + memseg[i].len)
+ return memseg[i].phys_addr
+ + (vaddr - memseg[i].addr_64);
+ }
+ return (phys_addr_t)(NULL);
+}
+
+/**
+ * When we are using Physical addresses as IO Virtual Addresses,
+ * Need to call conversion routines dpaa2_mem_vtop & dpaa2_mem_ptov
+ * whereever required.
+ * These routines are called with help of below MACRO's
+ */
+
+#define DPAA2_MBUF_VADDR_TO_IOVA(mbuf) ((mbuf)->buf_physaddr)
+
+/**
+ * macro to convert Virtual address to IOVA
+ */
+#define DPAA2_VADDR_TO_IOVA(_vaddr) dpaa2_mem_vtop((uint64_t)(_vaddr))
+
+/**
+ * macro to convert IOVA to Virtual address
+ */
+#define DPAA2_IOVA_TO_VADDR(_iova) dpaa2_mem_ptov((phys_addr_t)(_iova))
+
+/**
+ * macro to convert modify the memory containing IOVA to Virtual address
+ */
+#define DPAA2_MODIFY_IOVA_TO_VADDR(_mem, _type) \
+ {_mem = (_type)(dpaa2_mem_ptov((phys_addr_t)(_mem))); }
+
+#else /* RTE_LIBRTE_DPAA2_USE_PHYS_IOVA */
+
+#define DPAA2_MBUF_VADDR_TO_IOVA(mbuf) ((mbuf)->buf_addr)
+#define DPAA2_VADDR_TO_IOVA(_vaddr) (_vaddr)
+#define DPAA2_IOVA_TO_VADDR(_iova) (_iova)
+#define DPAA2_MODIFY_IOVA_TO_VADDR(_mem, _type)
+
+#endif /* RTE_LIBRTE_DPAA2_USE_PHYS_IOVA */
+
struct dpaa2_dpbp_dev *dpaa2_alloc_dpbp_dev(void);
void dpaa2_free_dpbp_dev(struct dpaa2_dpbp_dev *dpbp);
--
2.1.4
next prev parent reply other threads:[~2017-04-09 7:49 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-17 12:47 [dpdk-dev] [PATCH v1] NXP DPAA2 External Mempool Driver Hemant Agrawal
2017-03-17 12:47 ` [dpdk-dev] [PATCH v1] mempool/dpaa2: add DPAA2 hardware offloaded mempool Hemant Agrawal
2017-03-22 6:09 ` Jianbo Liu
2017-03-23 16:57 ` Hemant Agrawal
2017-03-24 14:57 ` Ferruh Yigit
2017-03-24 15:59 ` Ferruh Yigit
2017-03-24 16:31 ` Olivier Matz
2017-03-24 16:38 ` Ferruh Yigit
2017-03-24 16:42 ` Olivier Matz
2017-03-27 16:30 ` Olivier Matz
2017-03-28 9:45 ` Hemant Agrawal
2017-03-30 11:29 ` Ferruh Yigit
2017-03-30 12:50 ` Hemant Agrawal
2017-03-30 13:52 ` Thomas Monjalon
2017-04-03 14:50 ` Ferruh Yigit
2017-04-09 7:59 ` [dpdk-dev] [PATCH v2] NXP DPAA2 External Mempool Driver Hemant Agrawal
2017-04-09 7:59 ` [dpdk-dev] [PATCH v2] mempool/dpaa2: add DPAA2 hardware offloaded mempool Hemant Agrawal
2017-04-10 19:58 ` Olivier MATZ
2017-04-11 5:58 ` Hemant Agrawal
2017-04-11 7:50 ` Thomas Monjalon
2017-04-11 8:39 ` Ferruh Yigit
2017-04-11 12:50 ` Thomas Monjalon
2017-04-11 12:56 ` Olivier MATZ
2017-04-11 13:54 ` Hemant Agrawal
2017-04-11 13:42 ` [dpdk-dev] [PATCH v3] NXP DPAA2 External Mempool Driver Hemant Agrawal
2017-04-11 13:42 ` [dpdk-dev] [PATCH v3] mempool/dpaa2: add DPAA2 hardware offloaded mempool Hemant Agrawal
2017-04-12 11:31 ` [dpdk-dev] [PATCH v3] NXP DPAA2 External Mempool Driver Ferruh Yigit
2017-04-12 13:50 ` Ferruh Yigit
2017-03-17 13:42 ` [dpdk-dev] [PATCH v1] " Thomas Monjalon
2017-03-17 17:12 ` Hemant Agrawal
2017-03-17 17:22 ` Olivier Matz
2017-03-20 10:08 ` Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 00/21] NXP DPAA2 FSLMC Bus driver Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 01/21] mk/dpaa2: add the crc support to the machine type Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 02/21] bus/fslmc: introducing fsl-mc bus driver Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 03/21] bus/fslmc: add QBMAN driver to bus Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 04/21] bus/fslmc: introduce MC object functions Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 05/21] bus/fslmc: add mc dpio object support Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 06/21] bus/fslmc: add mc dpbp " Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 07/21] eal/vfio: adding vfio utility functions in map file Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 08/21] bus/fslmc: add vfio support Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 09/21] bus/fslmc: scan for net and sec device Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 10/21] bus/fslmc: add debug log support Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 11/21] bus/fslmc: dpio portal driver Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 12/21] bus/fslmc: introduce support for hardware mempool object Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 13/21] bus/fslmc: affine dpio to crypto threads Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 14/21] bus/fslmc: define queues for DPAA2 devices Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 15/21] bus/fslmc: define hardware annotation area size Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 16/21] bus/fslmc: introduce true and false macros Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 17/21] bus/fslmc: define VLAN header length Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 18/21] bus/fslmc: add packet FLE definitions Hemant Agrawal
2017-04-09 7:50 ` Hemant Agrawal [this message]
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 20/21] bus/fslmc: add support for DMA mapping for ARM SMMU Hemant Agrawal
2017-04-09 7:50 ` [dpdk-dev] [PATCH v3 21/21] bus/fslmc: frame queue based dq storage alloc Hemant Agrawal
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