diff options
| author |   Srikanth, Jampala <Jampala.Srikanth@cavium.com> | 2018-12-04 12:55:54 +0000 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2018-12-13 18:24:39 +0800 |
| commit | cf718eaa8f9b2cb8a372dcfd5ef701188e233558 (patch) | |
| tree | 507e4777d71aa728dd0da7343d696aedebdda2b9 /drivers/crypto/cavium/nitrox/nitrox_sriov.c | |
| parent | crypto: arm64/chacha - add XChaCha12 support (diff) | |
| download | linux-dev-cf718eaa8f9b2cb8a372dcfd5ef701188e233558.tar.xz linux-dev-cf718eaa8f9b2cb8a372dcfd5ef701188e233558.zip | |
crypto: cavium/nitrox - Enabled Mailbox support
Enabled the PF->VF Mailbox support. Mailbox message are interpreted
as {type, opcode, data}. Supported message types are REQ, ACK and NACK.
Signed-off-by: Srikanth Jampala <Jampala.Srikanth@cavium.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_sriov.c')
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_sriov.c | 57 |
1 files changed, 50 insertions, 7 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_sriov.c b/drivers/crypto/cavium/nitrox/nitrox_sriov.c index 7ba0cc5d6d02..bf439d8256ba 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_sriov.c +++ b/drivers/crypto/cavium/nitrox/nitrox_sriov.c @@ -6,6 +6,7 @@ #include "nitrox_hal.h" #include "nitrox_common.h" #include "nitrox_isr.h" +#include "nitrox_mbx.h" /** * num_vfs_valid - validate VF count @@ -52,6 +53,31 @@ static inline enum vf_mode num_vfs_to_mode(int num_vfs) return mode; } +static inline int vf_mode_to_nr_queues(enum vf_mode mode) +{ + int nr_queues = 0; + + switch (mode) { + case __NDEV_MODE_PF: + nr_queues = MAX_PF_QUEUES; + break; + case __NDEV_MODE_VF16: + nr_queues = 8; + break; + case __NDEV_MODE_VF32: + nr_queues = 4; + break; + case __NDEV_MODE_VF64: + nr_queues = 2; + break; + case __NDEV_MODE_VF128: + nr_queues = 1; + break; + } + + return nr_queues; +} + static void nitrox_pf_cleanup(struct nitrox_device *ndev) { /* PF has no queues in SR-IOV mode */ @@ -94,16 +120,31 @@ static int nitrox_pf_reinit(struct nitrox_device *ndev) return nitrox_crypto_register(); } -static int nitrox_sriov_init(struct nitrox_device *ndev) -{ - /* register interrupts for PF in SR-IOV */ - return nitrox_sriov_register_interupts(ndev); -} - static void nitrox_sriov_cleanup(struct nitrox_device *ndev) { /* unregister interrupts for PF in SR-IOV */ nitrox_sriov_unregister_interrupts(ndev); + nitrox_mbox_cleanup(ndev); +} + +static int nitrox_sriov_init(struct nitrox_device *ndev) +{ + int ret; + + /* register interrupts for PF in SR-IOV */ + ret = nitrox_sriov_register_interupts(ndev); + if (ret) + return ret; + + ret = nitrox_mbox_init(ndev); + if (ret) + goto sriov_init_fail; + + return 0; + +sriov_init_fail: + nitrox_sriov_cleanup(ndev); + return ret; } static int nitrox_sriov_enable(struct pci_dev *pdev, int num_vfs) @@ -126,8 +167,9 @@ static int nitrox_sriov_enable(struct pci_dev *pdev, int num_vfs) } dev_info(DEV(ndev), "Enabled VF(s) %d\n", num_vfs); - ndev->iov.num_vfs = num_vfs; ndev->mode = num_vfs_to_mode(num_vfs); + ndev->iov.num_vfs = num_vfs; + ndev->iov.max_vf_queues = vf_mode_to_nr_queues(ndev->mode); /* set bit in flags */ set_bit(__NDEV_SRIOV_BIT, &ndev->flags); @@ -169,6 +211,7 @@ static int nitrox_sriov_disable(struct pci_dev *pdev) clear_bit(__NDEV_SRIOV_BIT, &ndev->flags); ndev->iov.num_vfs = 0; + ndev->iov.max_vf_queues = 0; ndev->mode = __NDEV_MODE_PF; /* cleanup PF SR-IOV resources */ |