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nfp: convert all RTsym users to use new read/write helpers

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Convert all users of RTsym to the new set of helpers which
handle all targets correctly.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Francois H. Theron <francois.theron@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2018-08-28 13:20:45 -07:00 committed by David S. Miller
parent 761969992d
commit 1240989ccc
3 changed files with 23 additions and 46 deletions
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28
drivers/net/ethernet/netronome/nfp/abm/ctrl.c
View File

@ -55,30 +55,21 @@
#define NFP_QMSTAT_DROP 16
#define NFP_QMSTAT_ECN 24
static unsigned long long
nfp_abm_q_lvl_thrs(struct nfp_abm_link *alink, unsigned int queue)
{
return alink->abm->q_lvls->addr +
(alink->queue_base + queue) * NFP_QLVL_STRIDE + NFP_QLVL_THRS;
}
static int
nfp_abm_ctrl_stat(struct nfp_abm_link *alink, const struct nfp_rtsym *sym,
unsigned int stride, unsigned int offset, unsigned int i,
bool is_u64, u64 *res)
{
struct nfp_cpp *cpp = alink->abm->app->cpp;
u32 val32, mur;
u64 val, addr;
u64 val, sym_offset;
u32 val32;
int err;
mur = NFP_CPP_ATOMIC_RD(sym->target, sym->domain);
addr = sym->addr + (alink->queue_base + i) * stride + offset;
sym_offset = (alink->queue_base + i) * stride + offset;
if (is_u64)
err = nfp_cpp_readq(cpp, mur, addr, &val);
err = __nfp_rtsym_readq(cpp, sym, 3, 0, sym_offset, &val);
else
err = nfp_cpp_readl(cpp, mur, addr, &val32);
err = __nfp_rtsym_readl(cpp, sym, 3, 0, sym_offset, &val32);
if (err) {
nfp_err(cpp,
"RED offload reading stat failed on vNIC %d queue %d\n",
@ -114,13 +105,12 @@ nfp_abm_ctrl_stat_all(struct nfp_abm_link *alink, const struct nfp_rtsym *sym,
int nfp_abm_ctrl_set_q_lvl(struct nfp_abm_link *alink, unsigned int i, u32 val)
{
struct nfp_cpp *cpp = alink->abm->app->cpp;
u32 muw;
u64 sym_offset;
int err;
muw = NFP_CPP_ATOMIC_WR(alink->abm->q_lvls->target,
alink->abm->q_lvls->domain);
err = nfp_cpp_writel(cpp, muw, nfp_abm_q_lvl_thrs(alink, i), val);
sym_offset = (alink->queue_base + i) * NFP_QLVL_STRIDE + NFP_QLVL_THRS;
err = __nfp_rtsym_writel(cpp, alink->abm->q_lvls, 4, 0,
sym_offset, val);
if (err) {
nfp_err(cpp, "RED offload setting level failed on vNIC %d queue %d\n",
alink->id, i);

28
drivers/net/ethernet/netronome/nfp/nfp_main.c
View File

@ -116,23 +116,18 @@ nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt,
int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,
void *out_data, u64 out_length)
{
unsigned long long addr;
unsigned long err_at;
u64 max_data_sz;
u32 val = 0;
u32 cpp_id;
int n, err;
if (!pf->mbox)
return -EOPNOTSUPP;
cpp_id = NFP_CPP_ISLAND_ID(pf->mbox->target, NFP_CPP_ACTION_RW, 0,
pf->mbox->domain);
addr = pf->mbox->addr;
max_data_sz = pf->mbox->size - NFP_MBOX_SYM_MIN_SIZE;
/* Check if cmd field is clear */
err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_CMD, &val);
err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_CMD, &val);
if (err || val) {
nfp_warn(pf->cpp, "failed to issue command (%u): %u, err: %d\n",
cmd, val, err);
@ -140,30 +135,29 @@ int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,
}
in_length = min(in_length, max_data_sz);
n = nfp_cpp_write(pf->cpp, cpp_id, addr + NFP_MBOX_DATA,
in_data, in_length);
n = nfp_rtsym_write(pf->cpp, pf->mbox, NFP_MBOX_DATA, in_data,
in_length);
if (n != in_length)
return -EIO;
/* Write data_len and wipe reserved */
err = nfp_cpp_writeq(pf->cpp, cpp_id, addr + NFP_MBOX_DATA_LEN,
in_length);
err = nfp_rtsym_writeq(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, in_length);
if (err)
return err;
/* Read back for ordering */
err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_DATA_LEN, &val);
err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, &val);
if (err)
return err;
/* Write cmd and wipe return value */
err = nfp_cpp_writeq(pf->cpp, cpp_id, addr + NFP_MBOX_CMD, cmd);
err = nfp_rtsym_writeq(pf->cpp, pf->mbox, NFP_MBOX_CMD, cmd);
if (err)
return err;
err_at = jiffies + 5 * HZ;
while (true) {
/* Wait for command to go to 0 (NFP_MBOX_NO_CMD) */
err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_CMD, &val);
err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_CMD, &val);
if (err)
return err;
if (!val)
@ -176,18 +170,18 @@ int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,
}
/* Copy output if any (could be error info, do it before reading ret) */
err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_DATA_LEN, &val);
err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, &val);
if (err)
return err;
out_length = min_t(u32, val, min(out_length, max_data_sz));
n = nfp_cpp_read(pf->cpp, cpp_id, addr + NFP_MBOX_DATA,
out_data, out_length);
n = nfp_rtsym_read(pf->cpp, pf->mbox, NFP_MBOX_DATA,
out_data, out_length);
if (n != out_length)
return -EIO;
/* Check if there is an error */
err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_RET, &val);
err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_RET, &val);
if (err)
return err;
if (val)

13
drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c
View File

@ -188,7 +188,6 @@ nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl)
const struct nfp_rtsym *specsym;
struct nfp_dumpspec *dumpspec;
int bytes_read;
u32 cpp_id;
specsym = nfp_rtsym_lookup(rtbl, NFP_DUMP_SPEC_RTSYM);
if (!specsym)
@ -201,11 +200,8 @@ nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl)
dumpspec->size = specsym->size;
cpp_id = NFP_CPP_ISLAND_ID(specsym->target, NFP_CPP_ACTION_RW, 0,
specsym->domain);
bytes_read = nfp_cpp_read(cpp, cpp_id, specsym->addr, dumpspec->data,
specsym->size);
bytes_read = nfp_rtsym_read(cpp, specsym, 0, dumpspec->data,
specsym->size);
if (bytes_read != specsym->size) {
vfree(dumpspec);
nfp_warn(cpp, "Debug dump specification read failed.\n");
@ -644,7 +640,6 @@ nfp_dump_single_rtsym(struct nfp_pf *pf, struct nfp_dumpspec_rtsym *spec,
const struct nfp_rtsym *sym;
u32 tl_len, key_len;
int bytes_read;
u32 cpp_id;
void *dest;
int err;
@ -683,11 +678,9 @@ nfp_dump_single_rtsym(struct nfp_pf *pf, struct nfp_dumpspec_rtsym *spec,
cpp_params.action = NFP_CPP_ACTION_RW;
cpp_params.token = 0;
cpp_params.island = sym->domain;
cpp_id = nfp_get_numeric_cpp_id(&cpp_params);
dump_header->cpp.cpp_id = cpp_params;
dump_header->cpp.offset = cpu_to_be32(sym->addr);
bytes_read = nfp_cpp_read(pf->cpp, cpp_id, sym->addr, dest,
sym_size);
bytes_read = nfp_rtsym_read(pf->cpp, sym, 0, dest, sym_size);
if (bytes_read != sym_size) {
if (bytes_read >= 0)
bytes_read = -EIO;