From: David Marchand <david.marchand@redhat.com>
To: dev@dpdk.org
Cc: thomas@monjalon.net, ferruh.yigit@amd.com, chenbo.xia@intel.com,
nipun.gupta@amd.com, bruce.richardson@intel.com,
Anatoly Burakov <anatoly.burakov@intel.com>,
Jay Zhou <jianjay.zhou@huawei.com>,
Timothy McDaniel <timothy.mcdaniel@intel.com>,
Julien Aube <julien_dpdk@jaube.fr>,
Junfeng Guo <junfeng.guo@intel.com>,
Jeroen de Borst <jeroendb@google.com>,
Rushil Gupta <rushilg@google.com>,
Joshua Washington <joshwash@google.com>,
Dongdong Liu <liudongdong3@huawei.com>,
Yisen Zhuang <yisen.zhuang@huawei.com>,
Maxime Coquelin <maxime.coquelin@redhat.com>,
Gaetan Rivet <grive@u256.net>
Subject: [PATCH v2 06/15] pci: define some MSIX constants
Date: Mon, 21 Aug 2023 13:35:39 +0200 [thread overview]
Message-ID: <20230821113549.3191921-7-david.marchand@redhat.com> (raw)
In-Reply-To: <20230821113549.3191921-1-david.marchand@redhat.com>
Define some PCI MSIX constants and use them in existing drivers.
Signed-off-by: David Marchand <david.marchand@redhat.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
---
drivers/bus/pci/linux/pci_init.h | 18 ------------------
drivers/bus/pci/linux/pci_vfio.c | 7 ++++---
drivers/crypto/virtio/virtio_pci.c | 6 ++----
drivers/event/dlb2/pf/dlb2_main.c | 13 +++++--------
drivers/net/bnx2x/bnx2x.c | 4 ++--
drivers/net/bnx2x/bnx2x.h | 2 --
drivers/net/gve/gve_ethdev.c | 4 ++--
drivers/net/gve/gve_ethdev.h | 8 --------
drivers/net/hns3/hns3_ethdev_vf.c | 9 ++++-----
drivers/net/virtio/virtio_pci.c | 6 ++----
lib/pci/rte_pci.h | 10 ++++++++++
11 files changed, 31 insertions(+), 56 deletions(-)
diff --git a/drivers/bus/pci/linux/pci_init.h b/drivers/bus/pci/linux/pci_init.h
index d842809ccd..a4d37c0d0a 100644
--- a/drivers/bus/pci/linux/pci_init.h
+++ b/drivers/bus/pci/linux/pci_init.h
@@ -52,24 +52,6 @@ int pci_uio_ioport_unmap(struct rte_pci_ioport *p);
#ifdef VFIO_PRESENT
-#ifdef PCI_MSIX_TABLE_BIR
-#define RTE_PCI_MSIX_TABLE_BIR PCI_MSIX_TABLE_BIR
-#else
-#define RTE_PCI_MSIX_TABLE_BIR 0x7
-#endif
-
-#ifdef PCI_MSIX_TABLE_OFFSET
-#define RTE_PCI_MSIX_TABLE_OFFSET PCI_MSIX_TABLE_OFFSET
-#else
-#define RTE_PCI_MSIX_TABLE_OFFSET 0xfffffff8
-#endif
-
-#ifdef PCI_MSIX_FLAGS_QSIZE
-#define RTE_PCI_MSIX_FLAGS_QSIZE PCI_MSIX_FLAGS_QSIZE
-#else
-#define RTE_PCI_MSIX_FLAGS_QSIZE 0x07ff
-#endif
-
/* access config space */
int pci_vfio_read_config(const struct rte_pci_device *dev,
void *buf, size_t len, off_t offs);
diff --git a/drivers/bus/pci/linux/pci_vfio.c b/drivers/bus/pci/linux/pci_vfio.c
index bfedbc1bed..7881b7a946 100644
--- a/drivers/bus/pci/linux/pci_vfio.c
+++ b/drivers/bus/pci/linux/pci_vfio.c
@@ -120,14 +120,15 @@ pci_vfio_get_msix_bar(const struct rte_pci_device *dev,
uint16_t flags;
uint32_t reg;
- /* table offset resides in the next 4 bytes */
- if (rte_pci_read_config(dev, ®, sizeof(reg), cap_offset + 4) < 0) {
+ if (rte_pci_read_config(dev, ®, sizeof(reg), cap_offset +
+ RTE_PCI_MSIX_TABLE) < 0) {
RTE_LOG(ERR, EAL,
"Cannot read MSIX table from PCI config space!\n");
return -1;
}
- if (rte_pci_read_config(dev, &flags, sizeof(flags), cap_offset + 2) < 0) {
+ if (rte_pci_read_config(dev, &flags, sizeof(flags), cap_offset +
+ RTE_PCI_MSIX_FLAGS) < 0) {
RTE_LOG(ERR, EAL,
"Cannot read MSIX flags from PCI config space!\n");
return -1;
diff --git a/drivers/crypto/virtio/virtio_pci.c b/drivers/crypto/virtio/virtio_pci.c
index 9e340f2b0d..c9fb1087a9 100644
--- a/drivers/crypto/virtio/virtio_pci.c
+++ b/drivers/crypto/virtio/virtio_pci.c
@@ -329,8 +329,6 @@ get_cfg_addr(struct rte_pci_device *dev, struct virtio_pci_cap *cap)
return base + offset;
}
-#define PCI_MSIX_ENABLE 0x8000
-
static int
virtio_read_caps(struct rte_pci_device *dev, struct virtio_crypto_hw *hw)
{
@@ -350,8 +348,8 @@ virtio_read_caps(struct rte_pci_device *dev, struct virtio_crypto_hw *hw)
*/
pos = rte_pci_find_capability(dev, RTE_PCI_CAP_ID_MSIX);
if (pos > 0 && rte_pci_read_config(dev, &flags, sizeof(flags),
- pos + 2) == sizeof(flags)) {
- if (flags & PCI_MSIX_ENABLE)
+ pos + RTE_PCI_MSIX_FLAGS) == sizeof(flags)) {
+ if (flags & RTE_PCI_MSIX_FLAGS_ENABLE)
hw->use_msix = VIRTIO_MSIX_ENABLED;
else
hw->use_msix = VIRTIO_MSIX_DISABLED;
diff --git a/drivers/event/dlb2/pf/dlb2_main.c b/drivers/event/dlb2/pf/dlb2_main.c
index 1a229baee0..c6606a9bee 100644
--- a/drivers/event/dlb2/pf/dlb2_main.c
+++ b/drivers/event/dlb2/pf/dlb2_main.c
@@ -44,9 +44,6 @@
#define DLB2_PCI_PRI_CTRL_ENABLE 0x1
#define DLB2_PCI_PRI_ALLOC_REQ 0xC
#define DLB2_PCI_PRI_CTRL 0x4
-#define DLB2_PCI_MSIX_FLAGS 0x2
-#define DLB2_PCI_MSIX_FLAGS_ENABLE 0x8000
-#define DLB2_PCI_MSIX_FLAGS_MASKALL 0x4000
#define DLB2_PCI_ERR_ROOT_STATUS 0x30
#define DLB2_PCI_ERR_COR_STATUS 0x10
#define DLB2_PCI_ERR_UNCOR_STATUS 0x4
@@ -483,10 +480,10 @@ dlb2_pf_reset(struct dlb2_dev *dlb2_dev)
msix_cap_offset = rte_pci_find_capability(pdev, RTE_PCI_CAP_ID_MSIX);
if (msix_cap_offset >= 0) {
- off = msix_cap_offset + DLB2_PCI_MSIX_FLAGS;
+ off = msix_cap_offset + RTE_PCI_MSIX_FLAGS;
if (rte_pci_read_config(pdev, &cmd, 2, off) == 2) {
- cmd |= DLB2_PCI_MSIX_FLAGS_ENABLE;
- cmd |= DLB2_PCI_MSIX_FLAGS_MASKALL;
+ cmd |= RTE_PCI_MSIX_FLAGS_ENABLE;
+ cmd |= RTE_PCI_MSIX_FLAGS_MASKALL;
if (rte_pci_write_config(pdev, &cmd, 2, off) != 2) {
DLB2_LOG_ERR("[%s()] failed to write msix flags\n",
__func__);
@@ -494,9 +491,9 @@ dlb2_pf_reset(struct dlb2_dev *dlb2_dev)
}
}
- off = msix_cap_offset + DLB2_PCI_MSIX_FLAGS;
+ off = msix_cap_offset + RTE_PCI_MSIX_FLAGS;
if (rte_pci_read_config(pdev, &cmd, 2, off) == 2) {
- cmd &= ~DLB2_PCI_MSIX_FLAGS_MASKALL;
+ cmd &= ~RTE_PCI_MSIX_FLAGS_MASKALL;
if (rte_pci_write_config(pdev, &cmd, 2, off) != 2) {
DLB2_LOG_ERR("[%s()] failed to write msix flags\n",
__func__);
diff --git a/drivers/net/bnx2x/bnx2x.c b/drivers/net/bnx2x/bnx2x.c
index 8a97de8806..e3f14400cc 100644
--- a/drivers/net/bnx2x/bnx2x.c
+++ b/drivers/net/bnx2x/bnx2x.c
@@ -9766,9 +9766,9 @@ int bnx2x_attach(struct bnx2x_softc *sc)
if (sc->devinfo.pcie_msix_cap_reg != 0) {
uint32_t val;
pci_read(sc,
- (sc->devinfo.pcie_msix_cap_reg + PCIR_MSIX_CTRL), &val,
+ (sc->devinfo.pcie_msix_cap_reg + RTE_PCI_MSIX_FLAGS), &val,
2);
- sc->igu_sb_cnt = (val & PCIM_MSIXCTRL_TABLE_SIZE) + 1;
+ sc->igu_sb_cnt = (val & RTE_PCI_MSIX_FLAGS_QSIZE) + 1;
} else {
sc->igu_sb_cnt = 1;
}
diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h
index 07ef0567c2..60af75d336 100644
--- a/drivers/net/bnx2x/bnx2x.h
+++ b/drivers/net/bnx2x/bnx2x.h
@@ -46,8 +46,6 @@
#define PCIM_PSTAT_PME PCI_PM_CTRL_PME_STATUS
#define PCIM_PSTAT_D3 0x3
#define PCIM_PSTAT_PMEENABLE PCI_PM_CTRL_PME_ENABLE
-#define PCIR_MSIX_CTRL PCI_MSIX_FLAGS
-#define PCIM_MSIXCTRL_TABLE_SIZE PCI_MSIX_FLAGS_QSIZE
#else
#include <dev/pci/pcireg.h>
#endif
diff --git a/drivers/net/gve/gve_ethdev.c b/drivers/net/gve/gve_ethdev.c
index 9ea5dbaeea..9b25f3036b 100644
--- a/drivers/net/gve/gve_ethdev.c
+++ b/drivers/net/gve/gve_ethdev.c
@@ -613,8 +613,8 @@ pci_dev_msix_vec_count(struct rte_pci_device *pdev)
uint16_t control;
if (msix_pos > 0 && rte_pci_read_config(pdev, &control, sizeof(control),
- msix_pos + PCI_MSIX_FLAGS) == sizeof(control))
- return (control & PCI_MSIX_FLAGS_QSIZE) + 1;
+ msix_pos + RTE_PCI_MSIX_FLAGS) == sizeof(control))
+ return (control & RTE_PCI_MSIX_FLAGS_QSIZE) + 1;
return 0;
}
diff --git a/drivers/net/gve/gve_ethdev.h b/drivers/net/gve/gve_ethdev.h
index d604a75b7f..c47b4d454d 100644
--- a/drivers/net/gve/gve_ethdev.h
+++ b/drivers/net/gve/gve_ethdev.h
@@ -15,14 +15,6 @@
/* TODO: this is a workaround to ensure that Tx complq is enough */
#define DQO_TX_MULTIPLIER 4
-/*
- * Following macros are derived from linux/pci_regs.h, however,
- * we can't simply include that header here, as there is no such
- * file for non-Linux platform.
- */
-#define PCI_MSIX_FLAGS 2 /* Message Control */
-#define PCI_MSIX_FLAGS_QSIZE 0x07FF /* Table size */
-
#define GVE_DEFAULT_RX_FREE_THRESH 512
#define GVE_DEFAULT_TX_FREE_THRESH 32
#define GVE_DEFAULT_TX_RS_THRESH 32
diff --git a/drivers/net/hns3/hns3_ethdev_vf.c b/drivers/net/hns3/hns3_ethdev_vf.c
index eab5c55f5e..3729615159 100644
--- a/drivers/net/hns3/hns3_ethdev_vf.c
+++ b/drivers/net/hns3/hns3_ethdev_vf.c
@@ -2,7 +2,6 @@
* Copyright(c) 2018-2021 HiSilicon Limited.
*/
-#include <linux/pci_regs.h>
#include <rte_alarm.h>
#include <ethdev_pci.h>
#include <rte_io.h>
@@ -64,18 +63,18 @@ hns3vf_enable_msix(const struct rte_pci_device *device, bool op)
pos = rte_pci_find_capability(device, RTE_PCI_CAP_ID_MSIX);
if (pos > 0) {
ret = rte_pci_read_config(device, &control, sizeof(control),
- pos + PCI_MSIX_FLAGS);
+ pos + RTE_PCI_MSIX_FLAGS);
if (ret < 0) {
PMD_INIT_LOG(ERR, "Failed to read MSIX flags");
return -ENXIO;
}
if (op)
- control |= PCI_MSIX_FLAGS_ENABLE;
+ control |= RTE_PCI_MSIX_FLAGS_ENABLE;
else
- control &= ~PCI_MSIX_FLAGS_ENABLE;
+ control &= ~RTE_PCI_MSIX_FLAGS_ENABLE;
ret = rte_pci_write_config(device, &control, sizeof(control),
- pos + PCI_MSIX_FLAGS);
+ pos + RTE_PCI_MSIX_FLAGS);
if (ret < 0) {
PMD_INIT_LOG(ERR, "failed to write MSIX flags");
return -ENXIO;
diff --git a/drivers/net/virtio/virtio_pci.c b/drivers/net/virtio/virtio_pci.c
index 81d5dd0a4a..cdffef267f 100644
--- a/drivers/net/virtio/virtio_pci.c
+++ b/drivers/net/virtio/virtio_pci.c
@@ -24,8 +24,6 @@
struct virtio_pci_internal virtio_pci_internal[RTE_MAX_ETHPORTS];
-#define PCI_MSIX_ENABLE 0x8000
-
static enum virtio_msix_status
vtpci_msix_detect(struct rte_pci_device *dev)
{
@@ -34,8 +32,8 @@ vtpci_msix_detect(struct rte_pci_device *dev)
pos = rte_pci_find_capability(dev, RTE_PCI_CAP_ID_MSIX);
if (pos > 0 && rte_pci_read_config(dev, &flags, sizeof(flags),
- pos + 2) == sizeof(flags)) {
- if (flags & PCI_MSIX_ENABLE)
+ pos + RTE_PCI_MSIX_FLAGS) == sizeof(flags)) {
+ if (flags & RTE_PCI_MSIX_FLAGS_ENABLE)
return VIRTIO_MSIX_ENABLED;
else
return VIRTIO_MSIX_DISABLED;
diff --git a/lib/pci/rte_pci.h b/lib/pci/rte_pci.h
index 5a04a5a4b5..41dc725cc4 100644
--- a/lib/pci/rte_pci.h
+++ b/lib/pci/rte_pci.h
@@ -51,6 +51,16 @@ extern "C" {
#define RTE_PCI_CAP_ID_MSIX 0x11 /* MSI-X */
#define RTE_PCI_CAP_SIZEOF 4
+/* MSI-X registers (RTE_PCI_CAP_ID_MSIX) */
+#define RTE_PCI_MSIX_FLAGS 2 /* Message Control */
+#define RTE_PCI_MSIX_FLAGS_QSIZE 0x07ff /* Table size */
+#define RTE_PCI_MSIX_FLAGS_MASKALL 0x4000 /* Mask all vectors for this function */
+#define RTE_PCI_MSIX_FLAGS_ENABLE 0x8000 /* MSI-X enable */
+
+#define RTE_PCI_MSIX_TABLE 4 /* Table offset */
+#define RTE_PCI_MSIX_TABLE_BIR 0x00000007 /* BAR index */
+#define RTE_PCI_MSIX_TABLE_OFFSET 0xfffffff8 /* Offset into specified BAR */
+
/* PCI Express capability registers */
#define RTE_PCI_EXP_DEVCTL 8 /* Device Control */
--
2.41.0
next prev parent reply other threads:[~2023-08-21 11:37 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-03 7:50 [PATCH 00/14] Cleanup PCI(e) drivers David Marchand
2023-08-03 7:50 ` [PATCH 01/14] drivers: remove duplicated PCI master control David Marchand
2023-08-03 9:45 ` Bruce Richardson
2023-10-07 2:53 ` fengchengwen
2023-08-03 7:50 ` [PATCH 02/14] bus/pci: add const to some experimental API David Marchand
2023-08-03 9:46 ` Bruce Richardson
2023-08-03 11:50 ` David Marchand
2023-08-03 7:50 ` [PATCH 03/14] bus/pci: find PCI capability David Marchand
2023-08-03 9:49 ` Bruce Richardson
2023-08-03 9:52 ` Bruce Richardson
2023-08-03 11:49 ` David Marchand
2023-08-03 7:50 ` [PATCH 04/14] pci: define some capability constants David Marchand
2023-08-03 9:51 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 05/14] pci: define some MSIX constants David Marchand
2023-08-03 9:53 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 06/14] pci: define some command constants David Marchand
2023-08-03 9:57 ` Bruce Richardson
2023-08-03 11:51 ` David Marchand
2023-08-08 9:20 ` David Marchand
2023-08-08 10:08 ` Bruce Richardson
2023-08-22 19:23 ` Adam Hassick
2023-08-03 7:50 ` [PATCH 07/14] pci: define some BAR constants David Marchand
2023-08-03 9:58 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 08/14] pci: define some PM constants David Marchand
2023-08-03 9:59 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 09/14] pci: define some PCIe constants David Marchand
2023-08-03 10:01 ` Bruce Richardson
2023-08-03 7:50 ` [PATCH 10/14] pci: define some extended capability constants David Marchand
2023-08-03 7:50 ` [PATCH 11/14] pci: define some ACS constants David Marchand
2023-08-03 7:50 ` [PATCH 12/14] pci: define some PRI constants David Marchand
2023-08-03 7:50 ` [PATCH 13/14] pci: define some AER constants David Marchand
2023-08-03 7:50 ` [PATCH 14/14] devtools: forbid inclusion of Linux header for PCI David Marchand
2023-08-03 10:03 ` [PATCH 00/14] Cleanup PCI(e) drivers Bruce Richardson
2023-08-21 11:35 ` [PATCH v2 00/15] " David Marchand
2023-08-21 11:35 ` [PATCH v2 01/15] drivers: remove duplicated PCI master control David Marchand
2023-09-06 13:02 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 02/15] bus/pci: add const to some experimental API David Marchand
2023-08-21 16:14 ` Tyler Retzlaff
2023-09-06 13:02 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 03/15] bus/pci: rework MSIX discovery with VFIO David Marchand
2023-09-06 13:03 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 04/15] bus/pci: find PCI capability David Marchand
2023-09-07 12:43 ` Xia, Chenbo
2023-09-14 12:29 ` David Marchand
2023-09-19 2:19 ` Xia, Chenbo
2023-09-19 9:00 ` David Marchand
2023-08-21 11:35 ` [PATCH v2 05/15] pci: define some capability constants David Marchand
2023-09-07 13:15 ` Xia, Chenbo
2023-08-21 11:35 ` David Marchand [this message]
2023-09-07 13:15 ` [PATCH v2 06/15] pci: define some MSIX constants Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 07/15] pci: define some command constants David Marchand
2023-09-07 13:15 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 08/15] pci: define some BAR constants David Marchand
2023-09-07 13:16 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 09/15] pci: define some PM constants David Marchand
2023-09-07 13:16 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 10/15] pci: define some PCIe constants David Marchand
2023-09-07 13:16 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 11/15] pci: define some extended capability constants David Marchand
2023-09-07 13:23 ` Xia, Chenbo
2023-08-21 11:35 ` [PATCH v2 12/15] pci: define some ACS constants David Marchand
2023-08-21 11:35 ` [PATCH v2 13/15] pci: define some PRI constants David Marchand
2023-08-21 11:35 ` [PATCH v2 14/15] pci: define some AER constants David Marchand
2023-08-21 11:35 ` [PATCH v2 15/15] devtools: forbid inclusion of Linux header for PCI David Marchand
2023-08-21 16:24 ` Tyler Retzlaff
2023-09-07 13:33 ` Xia, Chenbo
2023-08-22 15:30 ` [PATCH v2 00/15] Cleanup PCI(e) drivers Patrick Robb
2023-08-22 16:09 ` [PATCH 00/14] " Adam Hassick
2023-08-22 16:48 ` Adam Hassick
2023-08-24 15:44 ` Adam Hassick
2023-09-14 12:35 ` [PATCH v3 00/15] " David Marchand
2023-09-14 12:36 ` [PATCH v3 01/15] drivers: remove duplicated PCI master control David Marchand
2023-09-14 12:36 ` [PATCH v3 02/15] bus/pci: add const to some experimental API David Marchand
2023-09-14 12:36 ` [PATCH v3 03/15] bus/pci: rework MSIX discovery with VFIO David Marchand
2023-09-14 12:36 ` [PATCH v3 04/15] bus/pci: find PCI capability David Marchand
2023-09-19 2:33 ` Xia, Chenbo
2023-09-14 12:36 ` [PATCH v3 05/15] pci: define some capability constants David Marchand
2023-09-15 16:27 ` Sevincer, Abdullah
2023-09-14 12:36 ` [PATCH v3 06/15] pci: define some MSIX constants David Marchand
2023-09-14 12:36 ` [PATCH v3 07/15] pci: define some command constants David Marchand
2023-09-14 12:36 ` [PATCH v3 08/15] pci: define some BAR constants David Marchand
2023-09-14 12:36 ` [PATCH v3 09/15] pci: define some PM constants David Marchand
2023-09-14 12:36 ` [PATCH v3 10/15] pci: define some PCIe constants David Marchand
2023-09-15 16:26 ` Sevincer, Abdullah
2023-09-14 12:36 ` [PATCH v3 11/15] pci: define some extended capability constants David Marchand
2023-09-15 16:27 ` Sevincer, Abdullah
2023-09-14 12:36 ` [PATCH v3 12/15] pci: define some ACS constants David Marchand
2023-09-15 16:25 ` Sevincer, Abdullah
2023-09-19 2:35 ` Xia, Chenbo
2023-09-14 12:36 ` [PATCH v3 13/15] pci: define some PRI constants David Marchand
2023-09-15 16:21 ` Sevincer, Abdullah
2023-09-19 2:36 ` Xia, Chenbo
2023-09-14 12:36 ` [PATCH v3 14/15] pci: define some AER constants David Marchand
2023-09-15 16:26 ` Sevincer, Abdullah
2023-09-19 2:36 ` Xia, Chenbo
2023-09-14 12:36 ` [PATCH v3 15/15] devtools: forbid inclusion of Linux header for PCI David Marchand
2023-09-15 15:14 ` [PATCH v3 00/15] Cleanup PCI(e) drivers Stephen Hemminger
2023-09-19 12:41 ` David Marchand
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