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ath11k: Refactor ath11k_msi_config

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Move ath11k_msi_config to array of structures to add multiple
pci devices support. No functional changes.

Tested-on: QCN9074 hw1.0 PCI WLAN.HK.2.4.0.1.r2-00012-QCAHKSWPL_SILICONZ-1

Signed-off-by: Anilkumar Kolli <akolli@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1612946530-28504-2-git-send-email-akolli@codeaurora.org
This commit is contained in:
Anilkumar Kolli 2021-02-16 09:15:35 +02:00 • committed by Kalle Valo
parent 9c349dbd07
commit 7a3aed0c3c
2 changed files with 23 additions and 17 deletions
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39
drivers/net/wireless/ath/ath11k/pci.c
View file

@ -50,14 +50,16 @@ static const struct ath11k_bus_params ath11k_pci_bus_params = {
.fixed_mem_region = false,
};
static const struct ath11k_msi_config msi_config = {
.total_vectors = 32,
.total_users = 4,
.users = (struct ath11k_msi_user[]) {
{ .name = "MHI", .num_vectors = 3, .base_vector = 0 },
{ .name = "CE", .num_vectors = 10, .base_vector = 3 },
{ .name = "WAKE", .num_vectors = 1, .base_vector = 13 },
{ .name = "DP", .num_vectors = 18, .base_vector = 14 },
static const struct ath11k_msi_config ath11k_msi_config[] = {
{
.total_vectors = 32,
.total_users = 4,
.users = (struct ath11k_msi_user[]) {
{ .name = "MHI", .num_vectors = 3, .base_vector = 0 },
{ .name = "CE", .num_vectors = 10, .base_vector = 3 },
{ .name = "WAKE", .num_vectors = 1, .base_vector = 13 },
{ .name = "DP", .num_vectors = 18, .base_vector = 14 },
},
},
};
@ -406,14 +408,15 @@ int ath11k_pci_get_user_msi_assignment(struct ath11k_pci *ab_pci, char *user_nam
u32 *base_vector)
{
struct ath11k_base *ab = ab_pci->ab;
const struct ath11k_msi_config *msi_config = ab_pci->msi_config;
int idx;
for (idx = 0; idx < msi_config.total_users; idx++) {
if (strcmp(user_name, msi_config.users[idx].name) == 0) {
*num_vectors = msi_config.users[idx].num_vectors;
*user_base_data = msi_config.users[idx].base_vector
for (idx = 0; idx < msi_config->total_users; idx++) {
if (strcmp(user_name, msi_config->users[idx].name) == 0) {
*num_vectors = msi_config->users[idx].num_vectors;
*user_base_data = msi_config->users[idx].base_vector
+ ab_pci->msi_ep_base_data;
*base_vector = msi_config.users[idx].base_vector;
*base_vector = msi_config->users[idx].base_vector;
ath11k_dbg(ab, ATH11K_DBG_PCI, "Assign MSI to user: %s, num_vectors: %d, user_base_data: %u, base_vector: %u\n",
user_name, *num_vectors, *user_base_data,
@ -760,17 +763,18 @@ static void ath11k_pci_ce_irqs_enable(struct ath11k_base *ab)
static int ath11k_pci_enable_msi(struct ath11k_pci *ab_pci)
{
struct ath11k_base *ab = ab_pci->ab;
const struct ath11k_msi_config *msi_config = ab_pci->msi_config;
struct msi_desc *msi_desc;
int num_vectors;
int ret;
num_vectors = pci_alloc_irq_vectors(ab_pci->pdev,
msi_config.total_vectors,
msi_config.total_vectors,
msi_config->total_vectors,
msi_config->total_vectors,
PCI_IRQ_MSI);
if (num_vectors != msi_config.total_vectors) {
if (num_vectors != msi_config->total_vectors) {
ath11k_err(ab, "failed to get %d MSI vectors, only %d available",
msi_config.total_vectors, num_vectors);
msi_config->total_vectors, num_vectors);
if (num_vectors >= 0)
return -EINVAL;
@ -1138,6 +1142,7 @@ static int ath11k_pci_probe(struct pci_dev *pdev,
goto err_pci_free_region;
}
ab_pci->msi_config = &ath11k_msi_config[0];
ret = ath11k_pci_enable_msi(ab_pci);
if (ret) {
ath11k_err(ab, "failed to enable msi: %d\n", ret);

1
drivers/net/wireless/ath/ath11k/pci.h
View file

@ -73,6 +73,7 @@ struct ath11k_pci {
char amss_path[100];
u32 msi_ep_base_data;
struct mhi_controller *mhi_ctrl;
const struct ath11k_msi_config *msi_config;
unsigned long mhi_state;
u32 register_window;